/* art-design.css — scoped to #os-art */

/* ============================================================
   OnStudy — Excel + Google Таблицы landing
   Design system reconstructed from the 2025 onstudy.org redesign
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Onest:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand */
  --blue:        #2945F2;
  --blue-600:    #1B33D6;
  --blue-700:    #1426A3;
  --blue-soft:   #E9ECFF;
  --blue-soft-2: #F2F4FF;
  --green:       #15A06B;
  --green-soft:  #E6F6EE;

  /* Ink / neutrals (cool-neutral) */
  --ink:     #101828;
  --ink-2:   #2B3445;
  --muted:   #5A6678;
  --muted-2: #8A94A6;
  --line:    #E6EAF2;
  --line-2:  #EEF1F7;
  --surface: #F4F7FC;
  --surface-2: #FBFCFE;
  --white:   #FFFFFF;

  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --pill: 999px;

  --shadow-sm: 0 2px 8px rgba(16,24,40,0.04), 0 1px 2px rgba(16,24,40,0.05);
  --shadow-md: 0 12px 32px rgba(16,24,40,0.08), 0 4px 12px rgba(16,24,40,0.04);
  --shadow-lg: 0 28px 64px rgba(20,40,90,0.14);
  --shadow-blue: 0 14px 30px rgba(41,69,242,0.30);

  --container: 1200px;
  --gutter: 24px;

  font-synthesis: none;
}


#os-art * { box-sizing: border-box; }


#os-art { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }


#os-art {
  margin: 0;
  font-family: 'Onest', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}


#os-art img { max-width: 100%; display: block; }

#os-art a { color: inherit; text-decoration: none; }

#os-art button { font-family: inherit; cursor: pointer; }


#os-art h1,
#os-art h2,
#os-art h3,
#os-art h4 { margin: 0; line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; }

#os-art p { margin: 0; }


#os-art .container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Section scaffolding ---------- */

#os-art .section { padding-block: 96px; }

#os-art .section--tight { padding-block: 64px; }

#os-art .section--surface { background: var(--surface); }


#os-art .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue);
}

#os-art .eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--blue);
  border-radius: 2px;
}


#os-art .section-head { max-width: 760px; margin-bottom: 52px; }

#os-art .section-head.center { margin-inline: auto; text-align: center; }

#os-art .section-head.center .eyebrow { justify-content: center; }


#os-art h2.h-display {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 800;
  margin-top: 16px;
}

#os-art .section-head p.lead {
  margin-top: 18px;
  font-size: 19px;
  color: var(--muted);
  max-width: 620px;
}

#os-art .section-head.center p.lead { margin-inline: auto; }

/* ---------- Buttons ---------- */

#os-art .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: var(--pill);
  font-weight: 600;
  font-size: 17px;
  padding: 16px 28px;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}

#os-art .btn svg { width: 18px; height: 18px; }

#os-art .btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: var(--shadow-blue);
}

#os-art .btn-primary:hover { background: var(--blue-600); transform: translateY(-2px); }

#os-art .btn-ghost {
  background: var(--white);
  color: var(--ink);
  border: 1.5px solid var(--line);
}

#os-art .btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

#os-art .btn-dark { background: var(--ink); color: #fff; }

#os-art .btn-dark:hover { background: #000; transform: translateY(-2px); }

#os-art .btn-lg { padding: 19px 34px; font-size: 18px; }

#os-art .btn-block { width: 100%; }

/* ---------- Chips / badges ---------- */

#os-art .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--pill);
  background: var(--blue-soft);
  color: var(--blue-600);
  font-size: 14px;
  font-weight: 600;
}

#os-art .chip--green { background: var(--green-soft); color: var(--green); }


#os-art .rating-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 8px;
  border-radius: var(--pill);
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}

#os-art .rating-chip b { color: var(--ink); font-size: 16px; }

#os-art .rating-chip .score {
  background: var(--ink);
  color: #fff;
  border-radius: var(--pill);
  padding: 5px 12px;
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

#os-art .stars { display: inline-flex; gap: 2px; color: #FAB417; }

#os-art .stars svg { width: 15px; height: 15px; }

/* ---------- Cards ---------- */

#os-art .card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

/* ---------- Image placeholder ---------- */

#os-art .ph {
  position: relative;
  background-color: #eef2f9;
  background-image:
    repeating-linear-gradient(135deg, rgba(47,102,244,0.05) 0 12px, rgba(47,102,244,0.0) 12px 24px);
  border: 1px dashed #c5d2ea;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  color: #6b7a93;
  overflow: hidden;
}

#os-art .ph span {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  background: rgba(255,255,255,0.85);
  padding: 6px 12px;
  border-radius: 8px;
}

/* ============================================================
   HEADER
   ============================================================ */

#os-art .header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,0.86);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line-2);
}

#os-art .header__row {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}

#os-art .logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.03em;
}

#os-art .logo img { height: 30px; width: auto; display: block; }

#os-art .footer__logo { background: #fff; padding: 9px 14px; border-radius: 12px; }

#os-art .footer__logo img { height: 24px; }

#os-art .logo .mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--blue-700));
  display: grid; place-items: center;
  color: #fff; font-size: 18px; font-weight: 800;
  box-shadow: var(--shadow-blue);
}

#os-art .logo .mark span { transform: translateY(-1px); }


#os-art .nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: 8px;
}

#os-art .nav a { font-size: 16px; color: var(--ink-2); font-weight: 500; transition: color .15s; }

#os-art .nav a:hover { color: var(--blue); }


#os-art .header__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

#os-art .header__phone { text-align: right; line-height: 1.2; }

#os-art .header__phone a { font-weight: 700; font-size: 17px; }

#os-art .header__phone small { display: block; color: var(--muted-2); font-size: 12.5px; }

#os-art .header__login {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; color: var(--ink);
  padding: 10px 18px; border-radius: var(--pill);
  border: 1.5px solid var(--line);
}

#os-art .header__login:hover { border-color: var(--blue); color: var(--blue); }

#os-art .burger {
  display: none;
  width: 46px; height: 46px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: #fff;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}

#os-art .burger i { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s; }

/* mobile menu */

#os-art .mobile-menu {
  position: fixed; inset: 0 0 0 auto;
  width: min(86vw, 360px);
  background: #fff;
  z-index: 80;
  transform: translateX(100%);
  transition: transform .28s ease;
  box-shadow: var(--shadow-lg);
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 6px;
}

#os-art .mobile-menu.open { transform: translateX(0); }

#os-art .mobile-menu a { padding: 14px 4px; font-size: 18px; font-weight: 600; border-bottom: 1px solid var(--line-2); }

#os-art .mobile-menu .btn { margin-top: 18px; }

#os-art .scrim {
  position: fixed; inset: 0;
  background: rgba(16,24,40,0.45);
  z-index: 70; opacity: 0; pointer-events: none; transition: opacity .25s;
}

#os-art .scrim.open { opacity: 1; pointer-events: auto; }

#os-art .mm-close { align-self: flex-end; border:0; background:none; font-size:26px; color:var(--muted); margin-bottom: 6px; }

/* ============================================================
   HERO
   ============================================================ */

#os-art .hero { padding-top: 56px; padding-bottom: 40px; overflow: hidden; }

#os-art .hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

#os-art .hero h1 {
  font-size: clamp(36px, 4.6vw, 58px);
  font-weight: 800;
  margin-top: 22px;
  letter-spacing: -0.03em;
}

#os-art .hero h1 .accent { color: var(--blue); }

#os-art .hero h1 .accent-g { color: var(--green); }

#os-art .hero__sub { font-size: 20px; color: var(--muted); margin-top: 20px; max-width: 520px; }

#os-art .hero__bullets { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }

#os-art .hero__bullets li { display: flex; gap: 12px; align-items: flex-start; font-size: 17px; }

#os-art .hero__bullets .tick {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--green-soft); color: var(--green);
  display: grid; place-items: center; margin-top: 1px;
}

#os-art .hero__bullets .tick svg { width: 14px; height: 14px; }

#os-art .hero__cta { display: flex; gap: 14px; align-items: center; margin-top: 36px; flex-wrap: wrap; }

#os-art .hero__trust { display: flex; gap: 26px; margin-top: 38px; flex-wrap: wrap; }

#os-art .hero__trust .t { line-height: 1.15; }

#os-art .hero__trust .t b { font-size: 26px; font-weight: 800; display: block; }

#os-art .hero__trust .t span { font-size: 14px; color: var(--muted); }

#os-art .hero__trust .t b.blue { color: var(--blue); }

#os-art .hero__trust .t b.green { color: var(--green); }


#os-art .hero__media { position: relative; }

#os-art .hero__img { width: 100%; filter: drop-shadow(0 30px 50px rgba(20,40,90,0.18)); }

#os-art .hero__media .ph { aspect-ratio: 4/3.1; }

#os-art .hero__media .float {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  border: 1px solid var(--line);
}

#os-art .hero__media .float--tl { top: 22px; left: -18px; }

#os-art .hero__media .float--br { bottom: 26px; right: -16px; display:flex; gap:12px; align-items:center; }

#os-art .float .f-ic { width: 40px; height: 40px; border-radius: 10px; background: var(--green-soft); color: var(--green); display:grid; place-items:center; }

#os-art .float .f-ic.blue { background: var(--blue-soft); color: var(--blue); }

#os-art .float b { display:block; font-size: 16px; }

#os-art .float small { color: var(--muted); font-size: 13px; }

/* promo bar */

#os-art .promo {
  margin-top: 30px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  background: linear-gradient(100deg, #0E1A3A, #14306E);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 18px 26px;
}

#os-art .promo .heart { font-size: 22px; }

#os-art .promo .promo__text b { color: #FFD24A; }

#os-art .promo .promo__text { font-size: 16px; flex: 1; min-width: 220px; }

#os-art .promo .countdown { display: flex; gap: 8px; }

#os-art .promo .cd-box {
  background: rgba(255,255,255,0.12);
  border-radius: 12px; padding: 8px 12px; min-width: 56px; text-align: center;
}

#os-art .promo .cd-box b { font-size: 22px; font-weight: 800; display: block; font-variant-numeric: tabular-nums; }

#os-art .promo .cd-box span { font-size: 11px; opacity: .7; text-transform: uppercase; letter-spacing: .04em; }

/* ============================================================
   META STRIP (3 facts)
   ============================================================ */

#os-art .meta-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }

#os-art .meta-card { display: flex; gap: 16px; align-items: flex-start; }

#os-art .meta-card .m-ic {
  flex: none; width: 52px; height: 52px; border-radius: 14px;
  background: var(--blue-soft); color: var(--blue);
  display: grid; place-items: center;
}

#os-art .meta-card .m-ic svg { width: 24px; height: 24px; }

#os-art .meta-card h4 { font-size: 20px; font-weight: 700; }

#os-art .meta-card p { color: var(--muted); font-size: 15px; margin-top: 4px; }

/* ============================================================
   AUDIENCE
   ============================================================ */

#os-art .audience-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

#os-art .aud-card { overflow: hidden; padding: 0; }

#os-art .aud-card .ph { border: 0; border-radius: 0; aspect-ratio: 16/10; }

#os-art .aud-card .body { padding: 26px 26px 30px; }

#os-art .aud-card h4 { font-size: 21px; font-weight: 700; }

#os-art .aud-card p { color: var(--muted); font-size: 15.5px; margin-top: 10px; }

/* ============================================================
   SKILLS (чему научитесь)
   ============================================================ */

#os-art .skills-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }

#os-art .skill {
  position: relative;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s;
}

#os-art .skill:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }

#os-art .skill .num {
  font-size: 14px; font-weight: 700; color: var(--blue);
  background: var(--blue-soft); width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 20px;
}

#os-art .skill h4 { font-size: 20px; font-weight: 700; }

#os-art .skill p { color: var(--muted); font-size: 15.5px; margin-top: 10px; }

#os-art .skill.span-2 { grid-column: span 2; background: linear-gradient(120deg, var(--blue-soft-2), #fff); }

/* ============================================================
   TOP SKILLS (hard / soft + video)
   ============================================================ */

#os-art .topskills { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 26px; align-items: stretch; }

#os-art .topskills__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

#os-art .ts-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  border: 1px solid var(--line-2);
}

#os-art .ts-card h4 { font-size: 22px; font-weight: 800; letter-spacing: -0.01em; }

#os-art .ts-card h4 span { display: block; color: var(--muted-2); font-weight: 700; font-size: 16px; margin-top: 2px; }

#os-art .ts-card ul { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 20px; }

#os-art .ts-card li { display: flex; gap: 14px; align-items: flex-start; font-size: 16px; color: var(--ink-2); line-height: 1.4; }

#os-art .ts-card li .ts-ic { flex: none; width: 26px; height: 26px; color: var(--blue); }

#os-art .ts-card li .ts-ic svg { width: 26px; height: 26px; }


#os-art .topskills__video {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #0E1A3A;
  min-height: 320px;
  box-shadow: var(--shadow-md);
}

#os-art .topskills__video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

@media (max-width: 1080px) {
  
#os-art .topskills { grid-template-columns: 1fr; }
  
#os-art .topskills__video { aspect-ratio: 16/9; min-height: 0; }
}
@media (max-width: 620px) {
  
#os-art .topskills__cards { grid-template-columns: 1fr; }
}

/* ============================================================
   PROCESS (как проходит обучение)
   ============================================================ */

#os-art .process-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; }

#os-art .step { padding: 0 26px; position: relative; }

#os-art .step:not(:last-child)::after {
  content: ""; position: absolute; top: 28px; right: -14px; width: 28px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--blue) 0 6px, transparent 6px 12px);
}

#os-art .step .s-ic {
  width: 58px; height: 58px; border-radius: 16px;
  background: #fff; box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--blue); margin-bottom: 22px;
}

#os-art .step .s-ic svg { width: 26px; height: 26px; }

#os-art .step .s-num { font-size: 13px; font-weight: 700; color: var(--muted-2); letter-spacing: .08em; }

#os-art .step h4 { font-size: 18px; font-weight: 700; margin-top: 6px; }

#os-art .step p { color: var(--muted); font-size: 15px; margin-top: 8px; }

/* ============================================================
   TEACHER
   ============================================================ */

#os-art .teacher { background: var(--ink); color: #fff; border-radius: var(--radius-xl); overflow: hidden; }

#os-art .teacher__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; }

#os-art .teacher__photo { position: relative; min-height: 420px; }

#os-art .teacher__photo .ph {
  position: absolute; inset: 0; border-radius: 0; border: 0;
  background-color: #1a2540;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,0.05) 0 12px, transparent 12px 24px);
  color: #8da0c4;
}

#os-art .teacher__photo .ph span { background: rgba(20,30,55,0.85); color:#b9c6e0; }

#os-art .teacher__body { padding: 54px 50px; }

#os-art .teacher__body .chip { background: rgba(41,69,242,0.28); color: #aab8ff; }

#os-art .teacher__body h2 { font-size: clamp(28px,3.4vw,40px); font-weight: 800; margin-top: 16px; }

#os-art .teacher__body .role { color: #aeb9cd; font-size: 18px; margin-top: 14px; max-width: 560px; }

#os-art .teacher__stats { display: flex; gap: 40px; margin: 32px 0; flex-wrap: wrap; }

#os-art .teacher__stats .t b { font-size: 38px; font-weight: 800; color: #fff; display:block; }

#os-art .teacher__stats .t span { color: #aeb9cd; font-size: 14px; }

#os-art .teacher__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }

#os-art .teacher__cols h5 { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: #9bb8ff; margin: 0 0 12px; }

#os-art .teacher__cols ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }

#os-art .teacher__cols li { color: #cdd6e6; font-size: 15px; display: flex; gap: 8px; }

#os-art .teacher__cols li::before { content:"—"; color:#5d6f93; }

#os-art .tags { display: flex; flex-wrap: wrap; gap: 8px; }

#os-art .tags span { background: rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.12); border-radius: var(--pill); padding: 6px 13px; font-size: 14px; color: #cdd6e6; }

/* ============================================================
   PROGRAM (аккордеон)
   ============================================================ */

#os-art .program { display: grid; gap: 14px; max-width: 880px; margin-inline: auto; }

#os-art .acc {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
  transition: box-shadow .2s, border-color .2s;
}

#os-art .acc.open { box-shadow: var(--shadow-md); border-color: transparent; }

#os-art .acc__head {
  width: 100%; text-align: left; border: 0; background: none;
  padding: 24px 26px; display: flex; align-items: center; gap: 18px;
}

#os-art .acc__head .a-num {
  flex: none; font-weight: 700; color: var(--blue);
  background: var(--blue-soft); width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; font-size: 15px;
}

#os-art .acc__head .a-title { font-size: 19px; font-weight: 700; flex: 1; }

#os-art .acc__head .a-meta { color: var(--muted-2); font-size: 14px; margin-right: 6px; white-space: nowrap; }

#os-art .acc__head .a-toggle {
  flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1.5px solid var(--line);
  display: grid; place-items: center; transition: .2s; color: var(--muted);
}

#os-art .acc.open .a-toggle { transform: rotate(45deg); background: var(--blue); border-color: var(--blue); color: #fff; }

#os-art .acc__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .28s ease; }

#os-art .acc.open .acc__body { grid-template-rows: 1fr; }

#os-art .acc__inner { overflow: hidden; }

#os-art .acc__inner ul { margin: 0; padding: 4px 26px 26px 88px; display: grid; gap: 10px; list-style: none; }

#os-art .acc__inner li { color: var(--muted); font-size: 16px; position: relative; padding-left: 22px; }

#os-art .acc__inner li::before { content:""; position:absolute; left:0; top:9px; width:8px; height:8px; border-radius:50%; background: var(--blue); opacity:.5; }

#os-art .acc__inner .lesson-meta { display:flex; gap:8px; padding: 0 26px 24px 88px; flex-wrap: wrap; }

#os-art .acc__inner .lesson-meta .chip { font-size: 13px; padding: 6px 12px; }

/* ============================================================
   CERTIFICATE
   ============================================================ */

#os-art .cert-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; }

#os-art .cert-grid .ph { aspect-ratio: 1.4/1; }

#os-art .cert-list { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }

#os-art .cert-list li { display: flex; gap: 12px; font-size: 16.5px; }

#os-art .cert-list .tick { flex:none; width:26px;height:26px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center; }

#os-art .cert-list .tick svg { width:14px;height:14px; }

/* ============================================================
   OFFER (pricing + form module)
   ============================================================ */

#os-art .offer { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: stretch; }

/* --- left: blue price card --- */

#os-art .offer__price {
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 44px;
}

#os-art .offer__price h2 { font-size: clamp(30px, 3.4vw, 44px); font-weight: 800; }

#os-art .price-box {
  margin-top: 28px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0,0,0,0.18);
}

#os-art .price-box__amount {
  background: #FFD23F;
  color: var(--ink);
  padding: 24px 28px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
}

#os-art .price-box__amount b { font-size: 46px; font-weight: 800; letter-spacing: -0.02em; }

#os-art .price-box__amount span { font-size: 18px; font-weight: 700; }

#os-art .price-box__amount sup { font-size: 12px; }

#os-art .price-box__pay {
  background: #fff;
  color: var(--ink-2);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 14.5px;
}

#os-art .pm-logos { display: flex; gap: 6px; flex: none; }

#os-art .pm-logos .pm {
  background: #0E1A3A; color: #fff; border-radius: 5px;
  padding: 4px 8px; font-size: 11px; font-weight: 800; letter-spacing: .02em;
}

#os-art .price-box__note {
  background: var(--ink);
  color: #c5cddb;
  text-align: center;
  padding: 12px 16px;
  font-size: 13px;
}

#os-art .offer__bullets { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 16px; }

#os-art .offer__bullets li { display: flex; gap: 14px; align-items: flex-start; font-size: 16.5px; color: #fff; }

#os-art .offer__bullets .flag { flex: none; color: #FFD23F; }

#os-art .offer__bullets .flag svg { width: 22px; height: 22px; }

#os-art .offer__bullets a { color: #fff; text-decoration: underline; text-underline-offset: 3px; font-weight: 600; }

/* --- right: black form card --- */

#os-art .offer__form {
  background: var(--ink);
  border-radius: var(--radius-xl);
  padding: 44px;
  color: #fff;
  position: relative;
}

#os-art .offer__form h3 { font-size: clamp(22px, 2.4vw, 30px); font-weight: 800; line-height: 1.15; }

#os-art .seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 26px;
}

#os-art .seg__opt {
  display: flex; align-items: center; gap: 12px;
  background: #fff;
  color: var(--ink);
  border-radius: var(--pill);
  padding: 16px 22px;
  font-weight: 600; font-size: 16px;
  cursor: pointer;
  border: 2px solid #fff;
  transition: border-color .15s;
}

#os-art .seg__opt input { position: absolute; opacity: 0; pointer-events: none; }

#os-art .seg__opt .dot {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid #c2cbd9; flex: none; position: relative; transition: .15s;
}

#os-art .seg__opt.is-active { border-color: var(--blue); }

#os-art .seg__opt.is-active .dot { border-color: var(--blue); }

#os-art .seg__opt.is-active .dot::after {
  content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--blue);
}

#os-art .offer__hint { font-size: 13.5px; color: #aeb6c5; margin-top: 20px; }

#os-art .offer__hint .req { color: #ff6b6b; }

#os-art .offer__fields { display: grid; gap: 14px; margin-top: 12px; }

#os-art .offer__form .field { display: grid; gap: 6px; }

#os-art .offer__form .field input {
  width: 100%; background: #2b3445; border: 2px solid transparent; border-radius: var(--radius-sm);
  padding: 17px 20px; font-size: 16px; font-family: inherit; color: #fff; transition: border-color .15s, background .15s;
}

#os-art .offer__form .field input::placeholder { color: #8a94a6; }

#os-art .offer__form .field input:focus { outline: none; border-color: var(--blue); background: #323c50; }

#os-art .offer__form .field.invalid input { border-color: #ff6b6b; }

#os-art .offer__form .field .err { color: #ff8b8b; font-size: 12.5px; display: none; }

#os-art .offer__form .field.invalid .err { display: block; }

#os-art .phone-wrap { display: flex; align-items: center; background: #2b3445; border: 2px solid transparent; border-radius: var(--radius-sm); transition: border-color .15s, background .15s; }

#os-art .phone-wrap:focus-within { border-color: var(--blue); background: #323c50; }

#os-art .phone-flag { display: flex; align-items: center; gap: 5px; padding: 0 14px 0 18px; font-size: 18px; color: #8a94a6; border-right: 1px solid #3a4458; align-self: stretch; }

#os-art .phone-wrap input { background: transparent !important; border: 0 !important; }

#os-art .offer__submit { margin-top: 18px; }

#os-art .offer__messenger {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-top: 12px;
  background: #2b3445;
  color: #fff; font-weight: 600; font-size: 16px;
  border-radius: var(--pill);
  padding: 16px 22px;
  transition: background .15s;
}

#os-art .offer__messenger:hover { background: #323c50; }

#os-art .offer__messenger .msg-ic { width: 26px; height: 26px; border-radius: 50%; background: #fff; display: grid; place-items: center; }

#os-art .offer__form .consent { display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; font-size: 12px; color: #8a94a6; }

#os-art .offer__form .consent input { margin-top: 2px; width: 16px; height: 16px; accent-color: var(--blue); flex: none; }

#os-art .offer__form .form-msg { display: none; text-align: center; padding: 30px 10px; }

#os-art .offer__form .form-msg.show { display: block; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */

#os-art .tst-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

#os-art .tst {
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px; box-shadow: var(--shadow-sm); display:flex; flex-direction:column; gap:16px;
}

#os-art .tst .stars svg { width:18px; height:18px; }

#os-art .tst h4 { font-size: 18px; font-weight: 700; }

#os-art .tst p { color: var(--ink-2); font-size: 15.5px; flex: 1; }

#os-art .tst .who { display:flex; align-items:center; gap:12px; padding-top: 14px; border-top:1px solid var(--line-2); }

#os-art .tst .ava { width:44px;height:44px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:700; }

#os-art .tst .who b { display:block; font-size:15px; }

#os-art .tst .who span { color:var(--muted); font-size:13.5px; }

/* ============================================================
   CAREER (трудоустройство)
   ============================================================ */

#os-art .career { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); border-radius: var(--radius-xl); padding: 56px; }

#os-art .career__grid { display:grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items:center; }

#os-art .career__list { list-style:none; padding:0; margin:28px 0 0; display:grid; gap:16px; }

#os-art .career__list li { display:flex; gap:14px; align-items:flex-start; font-size:17px; }

#os-art .career__list .n { flex:none; width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px; }

#os-art .career__grid .ph { aspect-ratio: 4/3.4; }

/* ============================================================
   FAQ
   ============================================================ */

#os-art .faq { max-width: 840px; margin-inline: auto; display:grid; gap:12px; }

#os-art .faq .acc__head { padding: 22px 24px; }

#os-art .faq .acc__head .a-title { font-size: 18px; }

#os-art .faq .acc__inner p { padding: 0 24px 24px; color: var(--muted); font-size: 16px; }

/* ============================================================
   LEAD FORM
   ============================================================ */

#os-art .leadcta {
  background: linear-gradient(135deg, var(--blue), var(--blue-700));
  border-radius: var(--radius-xl);
  color:#fff; padding: 56px; position: relative; overflow:hidden;
}

#os-art .leadcta .glow { position:absolute; width:360px;height:360px;border-radius:50%;
  background: radial-gradient(circle, rgba(255,255,255,.18), transparent 70%); bottom:-140px; left:-80px; }

#os-art .leadcta__grid { display:grid; grid-template-columns: 1fr 1fr; gap:48px; align-items:center; position:relative; }

#os-art .leadcta h2 { font-size: clamp(28px,3.4vw,40px); font-weight:800; }

#os-art .leadcta p.sub { margin-top:16px; font-size:18px; color: rgba(255,255,255,.85); max-width: 440px; }

#os-art .leadcta .perks { list-style:none; padding:0; margin:26px 0 0; display:grid; gap:12px; }

#os-art .leadcta .perks li { display:flex; gap:10px; font-size:16px; }

#os-art .leadcta .perks .tick { flex:none;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center; }

#os-art .leadcta .perks .tick svg {width:13px;height:13px;}

#os-art .form-card { background:#fff; border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-lg); color: var(--ink); }

#os-art .form-card h3 { font-size: 22px; font-weight:700; }

#os-art .form-card .fields { display:grid; gap:14px; margin-top:20px; }

#os-art .field { display:grid; gap:7px; }

#os-art .field label { font-size:13.5px; font-weight:600; color: var(--ink-2); }

#os-art .field input {
  width:100%; padding: 15px 16px; border:1.5px solid var(--line); border-radius: var(--radius-sm);
  font-size:16px; font-family:inherit; transition: border-color .15s, box-shadow .15s; background: var(--surface-2);
}

#os-art .field input:focus { outline:none; border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-soft); background:#fff; }

#os-art .field.invalid input { border-color:#E5484D; box-shadow: 0 0 0 4px #fde9ea; }

#os-art .field .err { color:#E5484D; font-size:12.5px; display:none; }

#os-art .field.invalid .err { display:block; }

#os-art .consent { display:flex; gap:10px; align-items:flex-start; margin-top:16px; font-size:13px; color:var(--muted); }

#os-art .consent input { margin-top:3px; width:17px; height:17px; accent-color: var(--blue); flex:none; }

#os-art .form-msg { display:none; text-align:center; padding: 24px 10px; }

#os-art .form-msg.show { display:block; }

#os-art .form-msg .ok-ic { width:60px;height:60px;border-radius:50%;background:var(--green-soft);color:var(--green);display:grid;place-items:center;margin:0 auto 16px; }

#os-art .form-msg .ok-ic svg {width:30px;height:30px;}

/* ============================================================
   FOOTER
   ============================================================ */

#os-art .footer { background: var(--ink); color: #c5cddb; padding: 64px 0 36px; }

#os-art .footer__top { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; }

#os-art .footer .logo { color:#fff; margin-bottom:18px; }

#os-art .footer__desc { font-size:14.5px; color:#8c97aa; max-width: 260px; }

#os-art .footer h5 { color:#fff; font-size:14px; text-transform:uppercase; letter-spacing:.06em; margin:0 0 18px; }

#os-art .footer ul { list-style:none; padding:0; margin:0; display:grid; gap:11px; }

#os-art .footer ul a { font-size:14.5px; color:#a9b3c4; }

#os-art .footer ul a:hover { color:#fff; }

#os-art .footer__contacts p { font-size:14.5px; margin-bottom:12px; }

#os-art .footer__contacts b { color:#fff; }

#os-art .socials { display:flex; gap:10px; margin-top:20px; }

#os-art .socials a { width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.07);display:grid;place-items:center;color:#fff; transition:.2s;}

#os-art .socials a:hover { background: var(--blue); }

#os-art .socials a svg { width:18px; height:18px; }

#os-art .footer__bottom { margin-top:48px; padding-top:26px; border-top:1px solid rgba(255,255,255,.1); display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; font-size:13px; color:#7d889b; }

#os-art .pay-methods { display:flex; gap:10px; align-items:center; }

#os-art .pay-methods .pm { background:#fff; border-radius:6px; padding:4px 8px; font-size:11px; font-weight:700; color:#333; }

/* ============================================================
   STICKY MOBILE CTA
   ============================================================ */

#os-art .sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 55;
  background: #fff; border-top: 1px solid var(--line);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  display: none; gap: 12px; align-items: center; box-shadow: 0 -8px 24px rgba(16,24,40,.08);
}

#os-art .sticky-cta .p b { font-size:18px; font-weight:800; display:block; }

#os-art .sticky-cta .p span { font-size:12px; color:var(--muted); text-decoration: line-through; }

#os-art .sticky-cta .btn { margin-left:auto; padding: 14px 22px; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  
#os-art .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
  
#os-art .reveal.in { opacity: 1; transform: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  
#os-art .nav { display: none; }
  
#os-art .header__phone { display: none; }
}
@media (max-width: 960px) {
  
#os-art .section { padding-block: 68px; }
  
#os-art .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  
#os-art .hero__media { order: -1; }
  
#os-art .hero__media .ph { aspect-ratio: 16/10; }
  
#os-art .teacher__grid { grid-template-columns: 1fr; }
  
#os-art .teacher__photo { min-height: 280px; }
  
#os-art .cert-grid,
#os-art .career__grid,
#os-art .offer { grid-template-columns: 1fr; gap: 32px; }
  
#os-art .skill.span-2 { grid-column: span 1; }
  
#os-art .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  
#os-art .burger { display: flex; }
  
#os-art .header__login { display: none; }
}
@media (max-width: 760px) {
  
#os-art { font-size: 17px; }
  
#os-art .section { padding-block: 56px; }
  
#os-art .meta-strip,
#os-art .audience-grid,
#os-art .skills-grid,
#os-art .tst-grid { grid-template-columns: 1fr; gap: 18px; }
  
#os-art .process-grid { grid-template-columns: 1fr 1fr; gap: 32px 16px; }
  
#os-art .step { padding: 0; }
  
#os-art .step::after { display: none !important; }
  
#os-art .teacher__cols { grid-template-columns: 1fr; }
  
#os-art .teacher__body,
#os-art .career,
#os-art .offer__price,
#os-art .offer__form { padding: 32px 24px; }
  
#os-art .career { padding: 32px 24px; }
  
#os-art .acc__inner ul,
#os-art .acc__inner .lesson-meta { padding-left: 26px; }
  
#os-art .footer__top { grid-template-columns: 1fr; }
  
#os-art .sticky-cta { display: flex; }
  
#os-art { padding-bottom: 80px; }
  
#os-art .promo .countdown { width: 100%; }
}
@media (max-width: 420px) {
  
#os-art .process-grid { grid-template-columns: 1fr; }
  
#os-art .hero__cta .btn { width: 100%; }
}

/* ============================================================
   SKILLS SHOWCASE (real product screenshots)
   ============================================================ */

#os-art .showcase {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
  margin-bottom: 52px;
}

#os-art .showcase__tile {
  background: linear-gradient(160deg, var(--surface), #fff);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 26px 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

#os-art .showcase__tile h4 { font-size: 18px; font-weight: 700; }

#os-art .showcase__tile p { color: var(--muted); font-size: 14.5px; margin-top: 8px; }

#os-art .showcase__tile .img-wrap {
  margin-top: 20px;
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

#os-art .showcase__tile img { width: 100%; filter: drop-shadow(0 14px 22px rgba(20,40,90,0.12)); }

/* ============================================================
   LIFE ON COURSE / PLATFORM
   ============================================================ */

#os-art .life-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; }

#os-art .life-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#os-art .life-card .body { padding: 30px 30px 0; }

#os-art .life-card.big .body { padding: 38px 38px 0; }

#os-art .life-card h4 { font-size: 21px; font-weight: 700; }

#os-art .life-card.big h4 { font-size: 26px; }

#os-art .life-card p { color: var(--muted); font-size: 15.5px; margin-top: 12px; }

#os-art .life-card .img-wrap { margin-top: 24px; padding: 0 30px; }

#os-art .life-card.big .img-wrap { padding: 0 38px; }

#os-art .life-card img { width: 100%; border-radius: 12px 12px 0 0; border: 1px solid var(--line-2); border-bottom: 0; box-shadow: 0 -2px 20px rgba(20,40,90,0.06); }

#os-art .life-card.chat { background: var(--surface); }

#os-art .life-card.chat img { border-radius: 12px; border: 1px solid var(--line); }

#os-art .life-right { display: grid; gap: 24px; }

/* ============================================================
   CURATOR / TELEGRAM
   ============================================================ */

#os-art .curator { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }

#os-art .curator__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

#os-art .curator__body { background: var(--surface); border-radius: var(--radius-lg); padding: 44px; }

#os-art .curator__body h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; }

#os-art .curator__body h2 .accent { color: var(--blue); }

#os-art .curator__body p { color: var(--muted); font-size: 17px; margin-top: 18px; }

#os-art .curator__body p b { color: var(--ink-2); font-weight: 700; }

#os-art .curator__links { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 26px; }

#os-art .curator-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--blue); font-weight: 600; font-size: 17px;
}

#os-art .curator-link svg { width: 16px; height: 16px; }

#os-art .curator-link:hover { color: var(--blue-600); }

#os-art .curator-link:hover svg { transform: translate(2px, -2px); transition: transform .15s; }

@media (max-width: 760px) {
  
#os-art .showcase { grid-template-columns: 1fr; }
  
#os-art .life-grid { grid-template-columns: 1fr; }
  
#os-art .curator { grid-template-columns: 1fr; gap: 28px; }
  
#os-art .curator__body { padding: 32px 24px; }
}

/* ============================================================
   OnStudy — «Хочу в арт-среду» (бесплатный курс)
   Extends assets/styles.css. Background-video hero + art blocks.
   ============================================================ */

/* ============================================================
   HERO — right-bleed background video (light), floating cards
   ============================================================ */

#os-art .hero-vid { position: relative; overflow: hidden; padding-block: 56px 40px; }

#os-art .hero-vid__media {
  position: absolute; top: 0; right: 0; bottom: 0; width: 58%;
  background: #0B1020; overflow: hidden; z-index: 0;
}

#os-art .hero-vid__media video { width: 100%; height: 100%; object-fit: cover; display: block; }

#os-art .hero-vid__media::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, var(--white) 0%, rgba(255,255,255,0.82) 16%, rgba(255,255,255,0.3) 38%, rgba(255,255,255,0) 58%);
}

#os-art .hero-vid .container { position: relative; z-index: 3; }

#os-art .hero-vid__copy { max-width: 600px; }

#os-art .hero-vid .eyebrow { color: var(--blue); }

#os-art .hero-vid h1 {
  font-size: clamp(36px, 4.8vw, 60px); font-weight: 800; letter-spacing: -0.035em;
  margin-top: 18px; line-height: 1.0; color: var(--ink);
}

#os-art .hero-vid h1 .accent { color: var(--blue); }

#os-art .hero-vid h1 .eur { color: var(--blue); }

#os-art .hero-vid .sub {
  font-size: clamp(18px, 2.1vw, 23px); color: var(--muted);
  margin-top: 22px; max-width: 500px; font-weight: 500;
}

#os-art .hero-vid .hero__cta { margin-top: 32px; }

#os-art .hero-vid .free-pill {
  display: inline-flex; align-items: center; gap: 10px; white-space: nowrap;
  background: #FFD23F; color: var(--ink); font-weight: 700;
  border-radius: var(--pill); padding: 14px 22px; font-size: 16px;
}

#os-art .hero-vid .free-pill s { color: rgba(16,24,40,.5); font-weight: 600; }

/* countdown — light */

#os-art .hero-vid__count { margin-top: 36px; }

#os-art .hero-vid__count .lbl { font-size: 13px; color: var(--muted-2); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }

#os-art .hero-vid__count .countdown { display: flex; gap: 10px; }

#os-art .hero-vid__count .cd-box {
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  border-radius: 14px; padding: 11px 16px; min-width: 64px; text-align: center;
}

#os-art .hero-vid__count .cd-box b { font-size: 28px; font-weight: 800; display: block; color: var(--ink); font-variant-numeric: tabular-nums; }

#os-art .hero-vid__count .cd-box span { font-size: 11px; color: var(--muted-2); text-transform: uppercase; letter-spacing: .05em; }

/* floating cards over video */

#os-art .hero-vid__float { position: absolute; z-index: 4; background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 14px 18px; }

#os-art .hero-vid__float--teacher { right: 30%; bottom: 86px; }

#os-art .hero-vid__float--teacher b { display: block; font-size: 16px; font-weight: 700; }

#os-art .hero-vid__float--teacher span { font-size: 13px; color: var(--muted); }

#os-art .hero-vid__float--start { right: 40px; bottom: 70px; text-align: center; padding: 18px 22px; }

#os-art .hero-vid__float--start .rocket { font-size: 26px; }

#os-art .hero-vid__float--start b { display: block; font-size: 17px; font-weight: 800; margin-top: 4px; line-height: 1.1; }
@media (max-width: 1100px) { 
#os-art .hero-vid__float--teacher { display: none; } }
@media (max-width: 860px) { 
#os-art .hero-vid__float { display: none; } }

@media (max-width: 960px) {
  
#os-art .hero-vid { padding-top: 20px; }
  
#os-art .hero-vid__media { position: relative; width: auto; aspect-ratio: 16/10; border-radius: var(--radius-lg); margin: 0 var(--gutter) 18px; box-shadow: var(--shadow-md); }
  
#os-art .hero-vid__media::before { display: none; }
  
#os-art .hero-vid .container { display: flex; flex-direction: column-reverse; }
  
#os-art .hero-vid__copy { max-width: none; }
}

/* ============================================================
   WHAT YOU GET (Что вас ждёт) — 3 cards
   ============================================================ */

#os-art .whatyou { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

#os-art .wy {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px; box-shadow: var(--shadow-sm); text-align: center;
  transition: transform .18s, box-shadow .2s;
}

#os-art .wy:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

#os-art .wy .wy-ic {
  width: 72px; height: 72px; margin: 0 auto 22px; border-radius: 20px;
  background: var(--blue-soft); color: var(--blue); display: grid; place-items: center;
}

#os-art .wy .wy-ic svg { width: 34px; height: 34px; }

#os-art .wy h4 { font-size: 21px; font-weight: 700; }

#os-art .wy p { color: var(--muted); font-size: 15.5px; margin-top: 10px; }

#os-art .wy .wy-price { display: inline-block; margin-top: 12px; background: var(--green-soft); color: var(--green); font-weight: 700; border-radius: var(--pill); padding: 5px 14px; font-size: 14px; }

/* ============================================================
   BONUSES (5 экспертных материалов)
   ============================================================ */

#os-art .bonus-head { background: var(--ink); color: #fff; border-radius: var(--radius-xl) var(--radius-xl) 0 0; padding: 48px 56px 56px; text-align: center; position: relative; overflow: hidden; }

#os-art .bonus-head .glow { position: absolute; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(41,69,242,.5), transparent 70%); top: -160px; left: 50%; transform: translateX(-50%); }

#os-art .bonus-head .eyebrow { color: #FFD23F; justify-content: center; position: relative; }

#os-art .bonus-head .eyebrow::before { background: #FFD23F; }

#os-art .bonus-head h2 { font-size: clamp(26px, 3.2vw, 40px); font-weight: 800; margin-top: 14px; position: relative; }

#os-art .bonus-head h2 .y { color: #FFD23F; }

#os-art .bonus-wrap { background: var(--surface); border-radius: 0 0 var(--radius-xl) var(--radius-xl); padding: 48px 40px; }

#os-art .bonus-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }

#os-art .bonus {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md);
  overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform .18s, box-shadow .2s;
}

#os-art .bonus:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

#os-art .bonus__img { aspect-ratio: 16/13; background: var(--blue-soft-2); overflow: hidden; }

#os-art .bonus__img img { width: 100%; height: 100%; object-fit: cover; }

#os-art .bonus__body { padding: 18px 18px 22px; }

#os-art .bonus__num { font-size: 13px; font-weight: 700; color: var(--blue); }

#os-art .bonus__body p { font-size: 14.5px; font-weight: 600; color: var(--ink-2); margin-top: 6px; line-height: 1.35; }

/* ============================================================
   PERSONAS (Этот курс для вас, если вы)
   ============================================================ */

#os-art .persona-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

#os-art .persona {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s, border-color .2s;
}

#os-art .persona:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }

#os-art .persona__img { width: 84px; height: 84px; border-radius: 20px; overflow: hidden; margin-bottom: 20px; background: var(--blue-soft-2); }

#os-art .persona__img img { width: 100%; height: 100%; object-fit: cover; }

#os-art .persona h4 { font-size: 19px; font-weight: 700; }

#os-art .persona p { color: var(--muted); font-size: 14.5px; margin-top: 10px; line-height: 1.5; }

/* ============================================================
   PROGRAM (4 lessons) — reuse acc + day-block
   ============================================================ */

#os-art .art-prog .day-block { padding: 4px 26px 26px 88px; }

#os-art .art-prog .day-block ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }

#os-art .art-prog .day-block li { color: var(--muted); font-size: 16px; position: relative; padding-left: 22px; }

#os-art .art-prog .day-block li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); opacity: .5; }

/* ============================================================
   TEACHER (Мария Хилтунен)
   ============================================================ */

#os-art .art-teacher { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 50px; align-items: center; }

#os-art .art-teacher__photo img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }

#os-art .art-teacher h2 { font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; margin: 14px 0 6px; }

#os-art .art-teacher .role { color: var(--blue); font-size: 17px; font-weight: 600; margin-bottom: 22px; }

#os-art .art-teacher ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }

#os-art .art-teacher li { display: flex; gap: 14px; font-size: 16.5px; color: var(--ink-2); }

#os-art .art-teacher li .tick { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; margin-top: 2px; }

#os-art .art-teacher li .tick svg { width: 14px; height: 14px; }

#os-art .art-teacher li b { color: var(--ink); }

/* ============================================================
   REVIEWS (masonry screenshots)
   ============================================================ */

#os-art .reviews-masonry { columns: 4; column-gap: 18px; }

#os-art .reviews-masonry img { width: 100%; border-radius: var(--radius-md); margin-bottom: 18px; box-shadow: var(--shadow-sm); border: 1px solid var(--line); display: block; break-inside: avoid; }

/* ============================================================
   A → B
   ============================================================ */

#os-art .ab-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 28px; align-items: stretch; }

#os-art .ab-card { border-radius: var(--radius-xl); padding: 40px; }

#os-art .ab-a { background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }

#os-art .ab-a .tag { font-size: 56px; font-weight: 800; color: var(--muted-2); letter-spacing: -0.03em; }

#os-art .ab-a h3 { font-size: 24px; font-weight: 700; margin: 6px 0 14px; }

#os-art .ab-a p { color: var(--muted); font-size: 16px; }

#os-art .ab-b { background: linear-gradient(135deg, #14306E, #0E1A3A); color: #fff; position: relative; overflow: hidden; }

#os-art .ab-b .glow { position: absolute; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(41,69,242,.5), transparent 70%); top: -100px; right: -60px; }

#os-art .ab-b .tag { font-size: 56px; font-weight: 800; color: #FFD23F; letter-spacing: -0.03em; position: relative; }

#os-art .ab-b ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 14px; position: relative; }

#os-art .ab-b li { display: flex; gap: 12px; font-size: 16.5px; color: #d7deec; }

#os-art .ab-b li .tick { flex: none; width: 26px; height: 26px; border-radius: 50%; background: rgba(255,210,63,.18); color: #FFD23F; display: grid; place-items: center; margin-top: 1px; }

#os-art .ab-b li .tick svg { width: 14px; height: 14px; }

/* ============================================================
   VIDEO TESTIMONIALS
   ============================================================ */

#os-art .vid-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

#os-art .vid-card { position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 16/9; box-shadow: var(--shadow-sm); cursor: pointer; background: #0E1A3A; }

#os-art .vid-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }

#os-art .vid-card:hover img { transform: scale(1.05); }

#os-art .vid-card .play {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(10,14,24,0.28); transition: background .2s;
}

#os-art .vid-card:hover .play { background: rgba(10,14,24,0.42); }

#os-art .vid-card .play span { width: 58px; height: 58px; border-radius: 50%; background: rgba(255,255,255,0.92); display: grid; place-items: center; box-shadow: var(--shadow-md); }

#os-art .vid-card .play span svg { width: 22px; height: 22px; fill: var(--blue); margin-left: 3px; }

#os-art .vid-card .name { position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 16px; background: linear-gradient(0deg, rgba(10,14,24,0.85), transparent); color: #fff; font-weight: 600; font-size: 14px; }

/* video modal */

#os-art .vmodal { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; padding: 24px; }

#os-art .vmodal.open { display: flex; }

#os-art .vmodal__scrim { position: absolute; inset: 0; background: rgba(8,12,28,0.86); backdrop-filter: blur(6px); }

#os-art .vmodal__inner { position: relative; z-index: 2; width: min(960px, 100%); aspect-ratio: 16/9; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-lg); background: #000; }

#os-art .vmodal__inner iframe { width: 100%; height: 100%; border: 0; }

#os-art .vmodal__close { position: absolute; top: -48px; right: 0; z-index: 3; background: none; border: 0; color: #fff; font-size: 34px; line-height: 1; cursor: pointer; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  
#os-art .bonus-grid { grid-template-columns: repeat(3, 1fr); }
  
#os-art .persona-grid { grid-template-columns: repeat(2, 1fr); }
  
#os-art .vid-grid { grid-template-columns: repeat(3, 1fr); }
  
#os-art .reviews-masonry { columns: 3; }
}
@media (max-width: 960px) {
  
#os-art .whatyou { grid-template-columns: 1fr; }
  
#os-art .art-teacher,
#os-art .ab-grid { grid-template-columns: 1fr; gap: 28px; }
  
#os-art .hero-vid { min-height: 560px; }
  
#os-art .bonus-head { padding: 36px 24px 44px; }
  
#os-art .bonus-wrap { padding: 32px 20px; }
}
@media (max-width: 680px) {
  
#os-art .bonus-grid { grid-template-columns: 1fr 1fr; }
  
#os-art .persona-grid { grid-template-columns: 1fr; }
  
#os-art .vid-grid { grid-template-columns: 1fr 1fr; }
  
#os-art .reviews-masonry { columns: 2; column-gap: 12px; }
  
#os-art .art-prog .day-block { padding-left: 26px; }
  
#os-art .ab-card { padding: 28px 22px; }
  
#os-art .hero-vid__count .cd-box { min-width: 56px; padding: 10px 12px; }
}

/* ============================================================
   OnStudy — Вебинар «Арт-менеджер с 0 до Pro»
   Extends styles.css + art.css. Free webinar / intensive landing.
   Warm-gallery accent palette layered over the cool-blue brand.
   ============================================================ */

:root {
  --amw-orange: #E8552B;
  --amw-orange-2: #D63A1E;
  --amw-clay: #C8a88f;
  --amw-lav: #F4EFFB;
  --amw-lav-line: #E7DEF6;
}

/* ============================================================
   HERO — split card, gallery photo bleeds right, dynamic date
   ============================================================ */

#os-art .amw-hero { padding-block: 28px 8px; }

#os-art .amw-hero__panel {
  position: relative;
  background: #ECEDEE;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 520px;
  display: grid;
  align-items: center;
}

#os-art .amw-hero__copy {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 56px 24px 56px 60px;
}

#os-art .amw-hero__kicker { font-size: 15px; font-weight: 600; color: var(--ink-2); }

#os-art .amw-hero h1 {
  font-size: clamp(34px, 4.4vw, 56px);
  font-weight: 800; letter-spacing: -0.035em; line-height: 1.02;
  color: var(--blue); margin-top: 16px;
}

#os-art .amw-hero .sub {
  font-size: clamp(19px, 2.1vw, 25px); font-weight: 700; color: var(--ink);
  margin-top: 16px; max-width: 420px; letter-spacing: -0.01em;
}

#os-art .amw-hero__meta { display: flex; gap: 44px; margin-top: 38px; flex-wrap: wrap; }

#os-art .amw-hero__meta .mi { display: flex; align-items: center; gap: 12px; }

#os-art .amw-hero__meta .mi .ic {
  width: 30px; height: 30px; color: var(--blue); flex: none;
  display: grid; place-items: center;
}

#os-art .amw-hero__meta .mi .ic svg { width: 28px; height: 28px; }

#os-art .amw-hero__meta .mi b { font-size: 22px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; white-space: nowrap; }

#os-art .amw-hero__cta { margin-top: 40px; }

#os-art .amw-hero__media {
  position: absolute; top: 0; right: 0; bottom: 0; width: 47%;
  z-index: 1;
}

#os-art .amw-hero__media image-slot,
#os-art .amw-hero__media video,
#os-art .amw-hero__media img { width: 100%; height: 100%; display: block; object-fit: cover; }

#os-art .amw-hero__media::after {
  content: ""; position: absolute; top: 0; left: 0; bottom: 0; width: 110px;
  background: linear-gradient(90deg, #ECEDEE, rgba(236,237,238,0));
  pointer-events: none; z-index: 2;
}

@media (max-width: 900px) {
  
#os-art .amw-hero__panel { display: block; min-height: 0; }
  
#os-art .amw-hero__media { position: relative; width: 100%; height: 300px; }
  
#os-art .amw-hero__media::after { display: none; }
  
#os-art .amw-hero__copy { padding: 36px 26px 40px; max-width: none; }
  
#os-art .amw-hero .sub { max-width: none; }
}

/* ============================================================
   PROGRAM — warm gallery backdrop, white cards w/ blue brush
   ============================================================ */

#os-art .amw-program {
  position: relative; overflow: hidden;
  padding-block: 92px 104px;
  background:
    radial-gradient(120% 90% at 50% -10%, #F08A55 0%, #E8552B 38%, #C5331B 78%, #9E2614 100%);
}

#os-art .amw-program::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(40% 30% at 28% 0%, rgba(255,224,196,.35), transparent 70%),
    radial-gradient(40% 30% at 72% 0%, rgba(255,224,196,.35), transparent 70%);
}

#os-art .amw-program__head {
  position: relative; z-index: 1; text-align: center; margin-bottom: 44px;
}

#os-art .amw-program__head h2 {
  color: #fff; font-size: clamp(28px, 3.6vw, 44px); font-weight: 800; letter-spacing: -0.02em;
}

#os-art .amw-progrid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 26px;
  max-width: 1000px; margin-inline: auto;
}

#os-art .amw-pcard {
  position: relative; overflow: hidden;
  background: #F4F5F6; border-radius: 20px;
  padding: 30px 34px 34px; min-height: 168px;
  box-shadow: 0 20px 44px rgba(120,24,8,.22);
}

#os-art .amw-pcard__num {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 700; font-size: 17px;
  display: grid; place-items: center; margin-bottom: 22px;
}

#os-art .amw-pcard__title {
  font-size: clamp(18px, 1.5vw, 21px); font-weight: 700; color: var(--ink);
  line-height: 1.3; letter-spacing: -0.01em; max-width: 84%;
  position: relative; z-index: 1;
}

#os-art .amw-pcard__brush {
  position: absolute; top: 16px; right: 14px; width: 150px; height: 92px;
  z-index: 0; pointer-events: none; transform: rotate(-4deg); opacity: .95;
}

#os-art .amw-pcard__brush svg { width: 100%; height: 100%; display: block; }

#os-art .amw-pcard:last-child { grid-column: 1 / 2; }

@media (max-width: 820px) {
  
#os-art .amw-progrid { grid-template-columns: 1fr; }
  
#os-art .amw-pcard:last-child { grid-column: auto; }
}

/* ============================================================
   SPEAKER — Мария Хилтунен-Седошенко
   ============================================================ */

#os-art .amw-speaker {
  position: relative; overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(108deg, #BFA48C 0%, #A98C72 46%, #7C2B1C 100%);
  padding: 52px 56px 0;
  display: grid; grid-template-columns: 1.04fr 0.96fr; column-gap: 40px;
  align-items: end; min-height: 540px;
}

#os-art .amw-speaker__photo {
  position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 360px; height: 460px; z-index: 1;
}

#os-art .amw-speaker__photo image-slot,
#os-art .amw-speaker__photo img { width: 100%; height: 100%; display: block; object-fit: contain; object-position: bottom center; }

#os-art .amw-speaker__copy { position: relative; z-index: 2; padding-bottom: 56px; max-width: 470px; }

#os-art .amw-speaker__tag {
  display: inline-block; background: #fff; color: var(--ink);
  font-size: 13px; font-weight: 600; border-radius: var(--pill);
  padding: 8px 16px; line-height: 1.35; max-width: 420px;
}

#os-art .amw-speaker h2 {
  color: #fff; font-size: clamp(30px, 3.8vw, 50px); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.0; margin-top: 20px;
}

#os-art .amw-speaker__quote {
  position: relative; color: rgba(255,255,255,.92); font-size: 15.5px;
  font-style: italic; line-height: 1.5; margin-top: 22px; padding-left: 26px; max-width: 380px;
}

#os-art .amw-speaker__quote::before {
  content: "\201C"; position: absolute; left: -2px; top: -10px;
  font-size: 46px; font-style: normal; color: rgba(255,255,255,.55); font-family: Georgia, serif;
}

#os-art .amw-speaker__cta {
  margin-top: 28px; background: var(--amw-orange); color: #fff;
  box-shadow: 0 14px 30px rgba(140,43,28,.4); text-align: center; line-height: 1.25;
}

#os-art .amw-speaker__cta:hover { background: var(--amw-orange-2); }

#os-art .amw-speaker__card {
  position: relative; z-index: 2; align-self: center;
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 30px 32px; margin-bottom: 40px;
  display: grid; gap: 18px; justify-self: end; width: 100%; max-width: 440px;
}

#os-art .amw-speaker__card li { display: flex; gap: 14px; list-style: none; }

#os-art .amw-speaker__card ul { margin: 0; padding: 0; display: grid; gap: 18px; }

#os-art .amw-speaker__card .ic {
  flex: none; width: 26px; height: 26px; color: var(--blue); margin-top: 1px;
}

#os-art .amw-speaker__card .ic svg { width: 24px; height: 24px; }

#os-art .amw-speaker__card p { font-size: 15px; color: var(--ink-2); line-height: 1.4; }

#os-art .amw-speaker__card b { color: var(--ink); font-weight: 700; }

@media (max-width: 960px) {
  
#os-art .amw-speaker {
    display: block; padding: 36px 26px 0; min-height: 0;
  }
  
#os-art .amw-speaker__copy { padding-bottom: 28px; max-width: none; }
  
#os-art .amw-speaker__photo { position: relative; left: auto; transform: none; margin: 0 auto; width: 280px; height: 360px; }
  
#os-art .amw-speaker__card { margin: 26px auto 36px; max-width: none; }
}

/* ============================================================
   EXHIBITS — 3 image cards
   ============================================================ */

#os-art .amw-exhibits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }

#os-art .amw-ex__img {
  aspect-ratio: 16/10; border-radius: var(--radius-md); overflow: hidden;
  background: var(--surface); margin-bottom: 18px;
}

#os-art .amw-ex__img image-slot,
#os-art .amw-ex__img img { width: 100%; height: 100%; display: block; }

#os-art .amw-ex h4 { font-size: 21px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }

#os-art .amw-ex p { font-size: 14.5px; color: var(--muted); margin-top: 8px; line-height: 1.45; }

@media (max-width: 820px) { 
#os-art .amw-exhibits { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; } }

/* ============================================================
   STUDENTS — carousel of result cards (lavender)
   ============================================================ */

#os-art .amw-students__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; margin-bottom: 30px;
}

#os-art .amw-students__head h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; letter-spacing: -0.02em; }

#os-art .amw-students__nav { display: flex; gap: 12px; flex: none; }

#os-art .amw-students__nav button {
  width: 48px; height: 48px; border-radius: 50%; border: 0;
  background: var(--ink); color: #fff; display: grid; place-items: center;
  transition: background .15s, transform .15s;
}

#os-art .amw-students__nav button:hover { background: var(--blue); }

#os-art .amw-students__nav button:disabled { opacity: .3; cursor: default; background: var(--ink); }

#os-art .amw-students__nav svg { width: 20px; height: 20px; }

#os-art .amw-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: 326px;
  gap: 22px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 8px; scrollbar-width: none;
}

#os-art .amw-track::-webkit-scrollbar { display: none; }

#os-art .amw-scard {
  scroll-snap-align: start;
  border-radius: var(--radius-lg); overflow: hidden; display: block;
  box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s;
}

#os-art .amw-scard:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

#os-art .amw-scard img { width: 100%; height: auto; display: block; }

/* ============================================================
   PERSONAS — reuse art.css .persona-grid inside grey panel
   ============================================================ */

#os-art .amw-fit {
  background: var(--surface); border-radius: var(--radius-xl);
  padding: 60px 56px;
}

#os-art .amw-fit .section-head { margin-bottom: 40px; }

#os-art .amw-fit .persona { background: #fff; display: flex; flex-direction: column; }

#os-art .amw-persona__ic {
  height: 150px; margin: -6px 0 14px; display: flex; align-items: center; justify-content: center;
}

#os-art .amw-persona__ic img { height: 100%; width: auto; max-width: 100%; object-fit: contain; display: block; }

@media (max-width: 760px) { 
#os-art .amw-fit { padding: 36px 22px; } }

/* ============================================================
   FINAL CTA — title + dark form (white inputs) + gallery image
   ============================================================ */

#os-art .amw-cta__head { text-align: center; margin-bottom: 44px; }

#os-art .amw-cta__head h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 800; letter-spacing: -0.02em; }

#os-art .amw-cta__head p { font-size: 16px; color: var(--muted-2); margin-top: 14px; }

#os-art .amw-cta__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 26px; align-items: stretch; }

#os-art .amw-formcard {
  background: #16181C; color: #fff; border-radius: var(--radius-xl);
  padding: 44px; position: relative;
}

#os-art .amw-formcard h3 { font-size: clamp(21px, 2.3vw, 28px); font-weight: 800; line-height: 1.2; }

#os-art .amw-formcard .hint { font-size: 13.5px; color: #9aa0aa; margin-top: 18px; }

#os-art .amw-formcard .hint .req { color: var(--amw-orange); }

#os-art .amw-formcard .fields { display: grid; gap: 14px; margin-top: 14px; }

#os-art .amw-formcard .field { display: grid; gap: 6px; }

#os-art .amw-formcard .field input {
  width: 100%; background: #fff; border: 2px solid transparent; border-radius: 12px;
  padding: 17px 20px; font-size: 16px; font-family: inherit; color: var(--ink);
  transition: border-color .15s;
}

#os-art .amw-formcard .field input::placeholder { color: #9aa0aa; }

#os-art .amw-formcard .field input:focus { outline: none; border-color: var(--blue); }

#os-art .amw-formcard .field.invalid input { border-color: #ff6b6b; }

#os-art .amw-formcard .field .err { color: #ff8b8b; font-size: 12.5px; display: none; }

#os-art .amw-formcard .field.invalid .err { display: block; }

#os-art .amw-formcard .phone-wrap { display: flex; align-items: center; background: #fff; border: 2px solid transparent; border-radius: 12px; transition: border-color .15s; }

#os-art .amw-formcard .phone-wrap:focus-within { border-color: var(--blue); }

#os-art .amw-formcard .phone-flag { display: flex; align-items: center; gap: 5px; padding: 0 12px 0 16px; font-size: 18px; color: #9aa0aa; border-right: 1px solid #e3e6ea; align-self: stretch; }

#os-art .amw-formcard .phone-wrap input { background: transparent !important; border: 0 !important; }

#os-art .amw-formcard .submit { margin-top: 6px; }

#os-art .amw-formcard .consent { display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; font-size: 12px; color: #9aa0aa; }

#os-art .amw-formcard .consent input { margin-top: 2px; width: 16px; height: 16px; accent-color: var(--blue); flex: none; }

#os-art .amw-formcard .consent a { color: #c5cad2; text-decoration: underline; text-underline-offset: 2px; }

#os-art .amw-formcard .form-msg { display: none; text-align: center; padding: 28px 10px; }

#os-art .amw-formcard .form-msg.show { display: block; }

#os-art .amw-formcard .form-msg .ok-ic { width: 58px; height: 58px; border-radius: 50%; background: rgba(232,85,43,.18); color: var(--amw-orange); display: grid; place-items: center; margin: 0 auto 16px; }

#os-art .amw-formcard .form-msg .ok-ic svg { width: 28px; height: 28px; }

#os-art .amw-cta__media { border-radius: var(--radius-xl); overflow: hidden; background: var(--surface); min-height: 420px; }

#os-art .amw-cta__media image-slot,
#os-art .amw-cta__media img { width: 100%; height: 100%; display: block; }

@media (max-width: 880px) {
  
#os-art .amw-cta__grid { grid-template-columns: 1fr; }
  
#os-art .amw-cta__media { min-height: 280px; }
  
#os-art .amw-formcard { padding: 32px 24px; }
}

/* ============================================================
   OnStudy — Вебинар «Работа мечты в искусстве»
   Extends styles.css + art.css + amweb.css.
   Modernised hero with floating cards + tasteful motion.
   ============================================================ */

/* ============================================================
   HERO — split panel, floating credential cards, dynamic date
   ============================================================ */

#os-art .rmi-hero { padding-block: 0 8px; }  /* было 26px сверху — давало белую полосу между меню и героем */

#os-art .rmi-hero__panel {
  position: relative;
  background: linear-gradient(120deg, #EFF0F2 0%, #E7E9ED 60%, #E3E0EA 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 560px;
  display: grid;
  align-items: center;
  box-shadow: var(--shadow-md);
}
/* soft moving colour wash behind the copy */

#os-art .rmi-hero__panel::before {
  content: "";
  position: absolute; left: -10%; top: -30%;
  width: 60%; height: 120%;
  background: radial-gradient(closest-side, rgba(41,69,242,.16), transparent 72%);
  filter: blur(8px);
  pointer-events: none;
  animation: rmi-wash 14s ease-in-out infinite alternate;
}

#os-art .rmi-hero__copy {
  position: relative;
  z-index: 3;
  max-width: 600px;
  padding: 60px 24px 60px 60px;
}

#os-art .rmi-hero__kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 14px; font-weight: 600; color: var(--ink-2);
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(16,24,40,.06);
  padding: 8px 15px; border-radius: var(--pill);
  backdrop-filter: blur(6px);
}

#os-art .rmi-hero__kicker .live {
  width: 8px; height: 8px; border-radius: 50%; background: var(--amw-orange);
  box-shadow: 0 0 0 0 rgba(232,85,43,.6);
  animation: rmi-pulse 2.2s ease-out infinite;
}

#os-art .rmi-hero h1 {
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 800; letter-spacing: -0.04em; line-height: 0.98;
  color: var(--blue); margin-top: 20px;
}

#os-art .rmi-hero .sub {
  font-size: clamp(19px, 2.1vw, 25px); font-weight: 700; color: var(--ink);
  margin-top: 18px; max-width: 440px; letter-spacing: -0.01em; line-height: 1.25;
}

#os-art .rmi-hero__meta { display: flex; gap: 18px; margin-top: 34px; flex-wrap: wrap; }

#os-art .rmi-hero__meta .mi {
  display: flex; align-items: center; gap: 12px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-md); padding: 12px 20px 12px 14px;
  box-shadow: var(--shadow-sm);
}

#os-art .rmi-hero__meta .mi .ic {
  width: 38px; height: 38px; border-radius: 11px; flex: none;
  background: var(--blue-soft); color: var(--blue);
  display: grid; place-items: center;
}

#os-art .rmi-hero__meta .mi .ic svg { width: 22px; height: 22px; }

#os-art .rmi-hero__meta .mi span { display: block; font-size: 12px; color: var(--muted-2); }

#os-art .rmi-hero__meta .mi b { font-size: 19px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; white-space: nowrap; }

#os-art .rmi-hero__cta { margin-top: 34px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

#os-art .rmi-hero__cta .free-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--green); font-size: 16px;
}

#os-art .rmi-hero__cta .free-pill svg { width: 18px; height: 18px; }


#os-art .rmi-hero__media {
  position: absolute; top: 0; right: 0; bottom: 0; width: 50%;
  z-index: 1;
}

#os-art .rmi-hero__media img {
  width: 100%; height: 100%; display: block;
  object-fit: cover; object-position: 50% 38%;
}

#os-art .rmi-hero__media::after {
  content: ""; position: absolute; top: 0; left: 0; bottom: 0; width: 150px;
  background: linear-gradient(90deg, #E7E9ED, rgba(231,233,237,0));
  pointer-events: none; z-index: 2;
}

/* floating cards over the photo */

#os-art .rmi-float {
  position: absolute; z-index: 4;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px) saturate(140%);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgba(16,24,40,.16);
  padding: 14px 18px;
  will-change: transform;
}

#os-art .rmi-float--rating { top: 40px; right: 36px; animation: rmi-float 6s ease-in-out infinite; }

#os-art .rmi-float--students { bottom: 46px; left: 46%; animation: rmi-float 7.5s ease-in-out infinite; animation-delay: -2s; }

#os-art .rmi-float--mic { top: 30%; left: 47%; animation: rmi-float 6.8s ease-in-out infinite; animation-delay: -1s; }


#os-art .rmi-float--rating { display: flex; align-items: center; gap: 11px; }

#os-art .rmi-float--rating .score {
  background: var(--ink); color: #fff; border-radius: var(--pill);
  padding: 7px 13px; font-weight: 700; font-size: 16px;
  display: inline-flex; align-items: center; gap: 5px;
}

#os-art .rmi-float--rating .score svg { width: 13px; height: 13px; color: #FAB417; }

#os-art .rmi-float--rating small { display: block; font-size: 12px; color: var(--muted); max-width: 130px; line-height: 1.3; }


#os-art .rmi-float--students { display: flex; align-items: center; gap: 13px; }

#os-art .rmi-float--students .ava {
  display: flex;
}

#os-art .rmi-float--students .ava i {
  width: 32px; height: 32px; border-radius: 50%; border: 2px solid #fff;
  margin-left: -10px; background-size: cover; background-position: center;
}

#os-art .rmi-float--students .ava i:first-child { margin-left: 0; }

#os-art .rmi-float--students b { display: block; font-size: 17px; font-weight: 800; color: var(--ink); }

#os-art .rmi-float--students span { font-size: 12px; color: var(--muted); }


#os-art .rmi-float--mic { display: flex; align-items: center; gap: 11px; }

#os-art .rmi-float--mic .ic {
  width: 38px; height: 38px; border-radius: 11px; flex: none;
  background: var(--amw-orange); color: #fff; display: grid; place-items: center;
}

#os-art .rmi-float--mic .ic svg { width: 20px; height: 20px; }

#os-art .rmi-float--mic b { display: block; font-size: 14px; font-weight: 700; color: var(--ink); }

#os-art .rmi-float--mic span { font-size: 12px; color: var(--muted); }

@media (max-width: 900px) {
  
#os-art .rmi-hero__panel { display: block; min-height: 0; }
  
#os-art .rmi-hero__media { position: relative; width: 100%; height: 320px; }
  
#os-art .rmi-hero__media::after { display: none; }
  
#os-art .rmi-hero__media img { object-position: 50% 32%; }
  
#os-art .rmi-hero__copy { padding: 34px 24px 38px; max-width: none; }
  
#os-art .rmi-hero .sub { max-width: none; }
  
#os-art .rmi-float--rating { top: 16px; right: 16px; }
  
#os-art .rmi-float--students { bottom: 16px; left: 16px; }
  
#os-art .rmi-float--mic { display: none; }
}
@media (max-width: 520px) {
  
#os-art .rmi-float--rating small { display: none; }
}

/* ============================================================
   PROGRAM — 4 cards with title + description (override amweb)
   ============================================================ */

#os-art .amw-program.rmi-program {
  background:
    linear-gradient(180deg, rgba(160,40,22,0) 0%, rgba(172,42,22,.30) 20%, rgba(190,48,24,.80) 44%, #BE3018 60%, #9E2614 100%),
    url('art-sreda/gallery-interior.jpg') center top / cover no-repeat,
    #9E2614;
}

#os-art .amw-program.rmi-program::before { display: none; }

#os-art .amw-program.rmi-program .amw-progrid { max-width: 1040px; }

/* bold corner brush mark — real original SVG assets, clipped by card edge */

#os-art .rmi-program .amw-pcard__brush { top: 0; right: 0; width: auto; height: auto; opacity: 1; transform: none; }

#os-art .rmi-program .amw-pcard__brush img { display: block; }

#os-art .rmi-program .amw-pcard:nth-child(1) .amw-pcard__brush { top: 0; right: 0; }

#os-art .rmi-program .amw-pcard:nth-child(1) .amw-pcard__brush img { width: 150px; }

#os-art .rmi-program .amw-pcard:nth-child(2) .amw-pcard__brush { top: 0; right: -12px; }

#os-art .rmi-program .amw-pcard:nth-child(2) .amw-pcard__brush img { width: 350px; }

#os-art .rmi-program .amw-pcard:nth-child(3) .amw-pcard__brush { top: 0; right: 0; }

#os-art .rmi-program .amw-pcard:nth-child(3) .amw-pcard__brush img { width: 300px; }

#os-art .rmi-program .amw-pcard:nth-child(4) .amw-pcard__brush { top: 0; right: 0; }

#os-art .rmi-program .amw-pcard:nth-child(4) .amw-pcard__brush img { width: 250px; }

#os-art .rmi-program .amw-pcard {
  min-height: 200px;
  transition: transform .25s ease, box-shadow .25s ease;
}

#os-art .rmi-program .amw-pcard:last-child { grid-column: auto; }

#os-art .rmi-program .amw-pcard:hover { transform: translateY(-6px); box-shadow: 0 28px 56px rgba(120,24,8,.30); }

#os-art .rmi-program .amw-pcard__title { max-width: 92%; margin-bottom: 12px; }

#os-art .amw-pcard__desc {
  position: relative; z-index: 1;
  font-size: 15.5px; color: var(--muted); line-height: 1.5; max-width: 94%;
}

#os-art .rmi-program .amw-pcard__brush { animation: none !important; }

/* ============================================================
   SPEAKER — bigger portrait, full-width tag banner, no motion
   ============================================================ */

#os-art .rmi-speaker { min-height: 640px; align-items: end; padding-top: 0; }

#os-art .rmi-speaker .amw-speaker__photo {
  width: 460px; height: 560px;
  animation: none !important;
}
/* centred banner spanning the full block, above the photo */

#os-art .rmi-speaker__tagrow {
  grid-column: 1 / -1; align-self: start;
  display: flex; justify-content: center;
  position: relative; z-index: 3;
  padding: 38px 0 6px; margin: 0;
}

#os-art .rmi-speaker .amw-speaker__tag {
  max-width: 720px; text-align: center; margin: 0;
  font-size: 14px; line-height: 1.4; padding: 10px 22px;
}

#os-art .rmi-speaker .amw-speaker__copy { padding-bottom: 64px; }

#os-art .rmi-speaker h2 { margin-top: 8px; }

@media (max-width: 960px) {
  
#os-art .rmi-speaker .amw-speaker__photo { width: 300px; height: 400px; }
  
#os-art .rmi-speaker__tagrow { padding-top: 4px; }
}

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes rmi-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
@keyframes rmi-portrait {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(-10px); }
}
@keyframes rmi-brush {
  0%, 100% { transform: rotate(-4deg) translateY(0); }
  50%      { transform: rotate(-1deg) translateY(-6px); }
}
@keyframes rmi-wash {
  0%   { transform: translate(0, 0) scale(1); opacity: .8; }
  100% { transform: translate(8%, 6%) scale(1.15); opacity: 1; }
}
@keyframes rmi-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(232,85,43,.55); }
  70%  { box-shadow: 0 0 0 9px rgba(232,85,43,0); }
  100% { box-shadow: 0 0 0 0 rgba(232,85,43,0); }
}

@media (prefers-reduced-motion: reduce) {
  
#os-art .rmi-hero__panel::before,
#os-art .rmi-float--rating,
#os-art .rmi-float--students,
#os-art .rmi-float--mic,
#os-art .rmi-program .amw-pcard__brush,
#os-art .rmi-speaker .amw-speaker__photo,
#os-art .rmi-hero__kicker .live { animation: none !important; }
}

/* ============================================================
   OnStudy — Интенсив «Современное искусство»
   Extends styles.css + art.css + amweb.css + rmi.css.
   Adds the 2-day program layout (day headers + 3-card grids).
   ============================================================ */

/* ---------- PROGRAM: two days ---------- */

#os-art .si-program { padding-block: 88px 100px; }

#os-art .si-program .amw-program__head { margin-bottom: 18px; }


#os-art .si-day { position: relative; z-index: 1; max-width: 1040px; margin-inline: auto; }

#os-art .si-day + .si-day { margin-top: 46px; }


#os-art .si-day__label {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 22px; color: #fff;
}

#os-art .si-day__label .d-num {
  flex: none; display: inline-flex; align-items: baseline; gap: 4px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.32);
  border-radius: var(--pill); padding: 6px 16px;
  font-weight: 800; letter-spacing: -0.01em; font-size: 15px;
  backdrop-filter: blur(4px);
}

#os-art .si-day__label .d-text {
  font-size: clamp(13px, 1.3vw, 15px); font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(255,255,255,.92); line-height: 1.3;
}


#os-art .si-progrid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}

#os-art .si-progrid .amw-pcard:nth-child(3) { grid-column: 1 / 2; }

/* card visuals — white, blue brush corner, number + title + desc */

#os-art .si-program .amw-pcard {
  background: #fff; min-height: 196px;
  transition: transform .25s ease, box-shadow .25s ease;
}

#os-art .si-program .amw-pcard:hover { transform: translateY(-6px); box-shadow: 0 28px 56px rgba(120,24,8,.32); }

#os-art .si-program .amw-pcard__num { margin-bottom: 20px; }

#os-art .si-program .amw-pcard__title { max-width: 90%; margin-bottom: 11px; }

#os-art .si-program .amw-pcard__desc {
  position: relative; z-index: 1;
  font-size: 15.5px; color: var(--muted); line-height: 1.5; max-width: 95%;
}

/* blue brush marks, clipped by the card edge (real SVG assets) */

#os-art .si-program .amw-pcard__brush {
  top: 0; right: 0; width: auto; height: auto;
  transform: none; opacity: 1; animation: none !important;
}

#os-art .si-program .amw-pcard__brush img { display: block; }

#os-art .si-progrid .amw-pcard:nth-child(1) .amw-pcard__brush img { width: 150px; }

#os-art .si-progrid .amw-pcard:nth-child(2) .amw-pcard__brush img { width: 330px; }

#os-art .si-progrid .amw-pcard:nth-child(3) .amw-pcard__brush img { width: 280px; }

@media (max-width: 820px) {
  
#os-art .si-progrid { grid-template-columns: 1fr; }
  
#os-art .si-progrid .amw-pcard:nth-child(3) { grid-column: auto; }
}

/* ---------- PERSONAS: 3-up ---------- */

#os-art .si-persona-grid { grid-template-columns: repeat(3, 1fr) !important; }
@media (max-width: 860px) { 
#os-art .si-persona-grid { grid-template-columns: 1fr !important; max-width: 460px; margin-inline: auto; } }

/* ---------- SPEAKER: clean mobile stack (photo stands on the credentials card) ---------- */
@media (max-width: 960px) {
  
#os-art .amw-speaker.rmi-speaker {
    min-height: 0 !important;
    padding: 32px 22px 0 !important;
  }
  
#os-art .rmi-speaker .rmi-speaker__tagrow { padding: 0 0 4px !important; }
  
#os-art .rmi-speaker .amw-speaker__copy { padding-bottom: 0 !important; }
  
#os-art .rmi-speaker .amw-speaker__photo {
    position: relative !important;
    left: auto !important;
    transform: none !important;
    width: min(300px, 82%) !important;
    height: auto !important;
    margin: 18px auto 0 !important;
    z-index: 1 !important;
  }
  
#os-art .rmi-speaker .amw-speaker__photo img { height: auto !important; }
  /* card butts directly under the photo so the cropped figure rests on it */
  
#os-art .rmi-speaker .amw-speaker__card {
    margin: 0 auto 32px !important;
    position: relative !important;
    z-index: 2 !important;
  }
}


/* Hide design-only success block — redirect used instead */
#os-art .form-msg { display: none !important; }