:root {
    /* Brand — deep medical blue, exposed as tweakable tokens */
    --primary:        #2f4d7a;   /* navy */
    --primary-deep:   #1b2b54;
    --primary-2:      #3f74b3;   /* brighter blue */
    --accent:         #d99a2b;    /* warm amber/gold */
    --accent-ink:     oklch(0.42 0.10 55);

    --bg:             oklch(0.985 0.006 250);
    --bg-tint:        oklch(0.965 0.012 248);
    --surface:        #ffffff;
    --ink:            oklch(0.27 0.022 258);
    --ink-soft:       oklch(0.44 0.022 258);
    --muted:          oklch(0.58 0.018 258);
    --line:           oklch(0.90 0.012 250);
    --line-soft:      oklch(0.94 0.010 250);

    --radius:         16px;
    --radius-sm:      10px;
    --logo-size:      50px;
    --maxw:           1180px;
    --shadow-sm:      0 1px 2px oklch(0.4 0.05 255 / 0.06), 0 2px 8px oklch(0.4 0.05 255 / 0.05);
    --shadow-md:      0 4px 14px oklch(0.4 0.05 255 / 0.08), 0 16px 40px oklch(0.4 0.05 255 / 0.08);

    --font-head: "Newsreader", Georgia, serif;
    --font-body: "Hanken Grotesk", system-ui, sans-serif;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  h1, h2, h3 { font-family: var(--font-head); font-weight: 500; line-height: 1.12; letter-spacing: -0.01em; color: var(--primary-deep); }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  .wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

  /* ---------- Buttons ---------- */
  .btn {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-body); font-weight: 600; font-size: 15px;
    padding: 14px 24px; border-radius: 999px; border: 1px solid transparent;
    cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    white-space: nowrap;
  }
  .btn-primary { background: var(--accent); color: color-mix(in srgb, var(--accent) 28%, #170f02); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 40%, transparent); }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 50%, transparent); }
  .btn-ghost { background: transparent; color: var(--primary); border-color: var(--line); }
  .btn-ghost:hover { background: var(--bg-tint); border-color: var(--primary-2); color: var(--primary-deep); }
  .btn-light { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.30); backdrop-filter: blur(4px); }
  .btn-light:hover { background: rgba(255,255,255,0.20); transform: translateY(-2px); }
  .btn svg { width: 17px; height: 17px; }

  .eyebrow {
    display: inline-flex; align-items: center; gap: 9px;
    font-size: 12.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--primary-2);
  }
  .eyebrow::before { content: ""; width: 22px; height: 1.5px; background: var(--accent); display: inline-block; }

  /* ---------- Header ---------- */
  header {
    position: sticky; top: 0; z-index: 60;
    background: oklch(0.985 0.006 250 / 0.82);
    backdrop-filter: saturate(1.4) blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
  }
  header.scrolled { border-color: var(--line); box-shadow: var(--shadow-sm); }
  .nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
  .brand { display: flex; align-items: center; gap: 13px; }
  .brand-logo {
    width: var(--logo-size, 50px); height: var(--logo-size, 50px); flex: none; object-fit: contain; border-radius: 50%;
    background: #fff; box-shadow: var(--shadow-sm);
  }
  .brand-text { display: flex; flex-direction: column; line-height: 1.12; }
  .brand-text .brand-name, .brand-text .brand-sub { white-space: nowrap; }
  .brand-name { font-family: var(--font-head); font-size: 18px; font-weight: 600; color: var(--primary-deep); line-height: 1.05; }
  .brand-sub { font-size: 11.5px; letter-spacing: 0.04em; color: var(--muted); font-weight: 500; }
  .nav-links { display: flex; align-items: center; gap: 4px; }
  .nav-links a {
    font-size: 14.5px; font-weight: 500; color: var(--ink-soft);
    padding: 9px 14px; border-radius: 8px; transition: color .15s, background .15s;
  }
  .nav-links a:hover { color: var(--primary-deep); background: var(--bg-tint); }
  .nav-cta { display: flex; align-items: center; gap: 10px; }
  .menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px; cursor: pointer; color: var(--primary-deep); }

  /* ---------- Hero ---------- */
  .hero { position: relative; overflow: hidden; padding: clamp(44px, 6vw, 84px) 0 clamp(40px, 5vw, 72px); }
  .hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 4vw, 64px); align-items: center; }
  .hero h1 { font-size: clamp(38px, 5.2vw, 62px); margin-bottom: 22px; }
  .hero h1 .accentline { font-style: italic; color: var(--primary-2); }
  .hero p.lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-soft); max-width: 36ch; margin-bottom: 30px; }
  .hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
  .hero-badges { display: flex; flex-wrap: wrap; gap: 10px; }
  .chip {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 500; color: var(--ink-soft);
    background: var(--surface); border: 1px solid var(--line);
    padding: 8px 14px; border-radius: 999px; box-shadow: var(--shadow-sm);
  }
  .chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none; }

  .hero-media { position: relative; }
  .hero-media .ph { aspect-ratio: 4/5; border-radius: 22px; }
  .hero-float {
    position: absolute; left: -22px; bottom: 28px;
    background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
    padding: 16px 18px; box-shadow: var(--shadow-md); max-width: 250px;
    display: flex; gap: 13px; align-items: center;
  }
  .hero-float .badge-ring {
    width: 44px; height: 44px; border-radius: 50%; flex: none;
    background: color-mix(in srgb, var(--primary-2) 13%, transparent); display: grid; place-items: center; color: var(--primary-2);
  }
  .hero-float .badge-ring svg { width: 22px; height: 22px; }
  .hero-float strong { font-size: 14.5px; color: var(--primary-deep); display: block; }
  .hero-float span { font-size: 12.5px; color: var(--muted); }
  .hero-deco { position: absolute; z-index: -1; border-radius: 50%; filter: blur(8px); opacity: .5; }

  /* ---------- Placeholder imagery ---------- */
  .ph {
    position: relative; width: 100%; overflow: hidden; border-radius: var(--radius);
    background:
      repeating-linear-gradient(135deg, oklch(0.93 0.02 250) 0 14px, oklch(0.96 0.012 250) 14px 28px);
    border: 1px solid var(--line);
    display: grid; place-items: center;
  }
  .ph::after {
    content: attr(data-label);
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 12px; letter-spacing: 0.02em; color: var(--muted);
    background: var(--surface); padding: 7px 13px; border-radius: 999px;
    border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  }
  .ph:has(img)::after { display: none; }
  .ph > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }

  /* ---------- Section scaffolding ---------- */
  section { padding: clamp(56px, 7vw, 104px) 0; }
  .sec-head { max-width: 660px; margin-bottom: 48px; }
  .sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
  .sec-head h2 { font-size: clamp(28px, 3.6vw, 44px); margin: 16px 0 14px; }
  .sec-head p { font-size: 17px; color: var(--ink-soft); }

  /* ---------- About / credibility band ---------- */
  .about { background: var(--bg-tint); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
  .about-media .c-main { aspect-ratio: auto; }
  .about-cluster { display: grid; grid-template-columns: 1.25fr 0.9fr; grid-template-rows: 1fr 1fr; gap: 14px; aspect-ratio: 1/1; }
  .about-cluster .ph { height: 100%; }
  .about-cluster .c-main { grid-row: 1 / span 2; }
  .about h2 { font-size: clamp(26px, 3.2vw, 40px); margin: 16px 0 20px; }
  .about p { color: var(--ink-soft); font-size: 16.5px; margin-bottom: 16px; }
  .about .pull {
    margin-top: 26px; padding: 22px 26px; border-left: 3px solid var(--accent);
    background: var(--surface); border-radius: 0 14px 14px 0; box-shadow: var(--shadow-sm);
  }
  .about .pull p { font-family: var(--font-head); font-style: italic; font-size: 18px; color: var(--primary-deep); margin: 0 0 8px; line-height: 1.45; }
  .about .pull cite { font-style: normal; font-size: 13.5px; color: var(--muted); font-weight: 500; }

  /* ---------- Why choose us ---------- */
  .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .feature {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 30px 28px; box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-2); }
  .feature .ficon {
    width: 50px; height: 50px; border-radius: 13px; margin-bottom: 20px;
    background: color-mix(in srgb, var(--primary-2) 11%, transparent); color: var(--primary-2);
    display: grid; place-items: center;
  }
  .feature .ficon svg { width: 25px; height: 25px; }
  .feature h3 { font-size: 20px; margin-bottom: 10px; }
  .feature p { font-size: 14.8px; color: var(--ink-soft); }

  /* ---------- Faculty ---------- */
  .faculty { background: var(--primary-deep); color: #eef2fb; position: relative; overflow: hidden; }
  .faculty .eyebrow { color: color-mix(in srgb, var(--primary-2) 60%, white); }
  .faculty .eyebrow::before { background: var(--accent); }
  .faculty h2 { color: #fff; }
  .faculty .sec-head p { color: #c2cde4; }
  .lead-faculty {
    display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(30px, 4vw, 56px); align-items: center;
    background: color-mix(in srgb, var(--primary-deep) 86%, white); border: 1px solid color-mix(in srgb, var(--primary-deep) 64%, white); border-radius: 22px;
    padding: clamp(24px, 3vw, 40px); margin-bottom: 26px;
  }
  .lead-faculty .ph { aspect-ratio: 1/1; border-radius: 18px; background:
      repeating-linear-gradient(135deg, color-mix(in srgb, var(--primary-deep) 78%, white) 0 14px, color-mix(in srgb, var(--primary-deep) 70%, white) 14px 28px); border-color: color-mix(in srgb, var(--primary-deep) 58%, white); }
  .lead-faculty .ph::after { background: color-mix(in srgb, var(--primary-deep) 86%, white); color: #c9d4ec; border-color: color-mix(in srgb, var(--primary-deep) 58%, white); }
  .lead-faculty h3 { color: #fff; font-size: clamp(26px, 3vw, 36px); margin-bottom: 6px; }
  .lead-faculty .role { color: var(--accent); font-weight: 600; font-size: 15px; letter-spacing: 0.02em; margin-bottom: 18px; }
  .lead-faculty p { color: #d4dcef; font-size: 16px; margin-bottom: 14px; }
  .team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .team-card { background: color-mix(in srgb, var(--primary-deep) 86%, white); border: 1px solid color-mix(in srgb, var(--primary-deep) 64%, white); border-radius: 16px; padding: 24px; }
  .team-card .ficon { width: 46px; height: 46px; border-radius: 12px; background: color-mix(in srgb, var(--primary-2) 26%, transparent); color: color-mix(in srgb, var(--primary-2) 65%, white); display: grid; place-items: center; margin-bottom: 16px; }
  .team-card .ficon svg { width: 23px; height: 23px; }
  .team-card h4 { color: #fff; font-family: var(--font-head); font-weight: 500; font-size: 18px; margin-bottom: 8px; }
  .team-card p { color: #c2cde4; font-size: 14px; }

  /* ---------- CTA band ---------- */
  .cta-band { background: linear-gradient(135deg, var(--primary-2), var(--primary-deep)); color: #fff; border-radius: 26px; padding: clamp(40px, 5vw, 64px); text-align: center; position: relative; overflow: hidden; }
  .cta-band h2 { color: #fff; font-size: clamp(28px, 3.6vw, 44px); margin-bottom: 16px; }
  .cta-band p { color: #eaf0fb; font-size: 18px; max-width: 50ch; margin: 0 auto 30px; }
  .cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
  .cta-deco { position: absolute; width: 360px; height: 360px; border-radius: 50%; background: rgba(255,255,255,0.06); }

  /* ---------- Footer ---------- */
  footer { background: var(--bg-tint); border-top: 1px solid var(--line); padding-top: 64px; }
  .foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
  .foot-brand .brand { margin-bottom: 16px; }
  .foot-brand p { font-size: 14.5px; color: var(--ink-soft); max-width: 38ch; }
  .foot-col h5 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 16px; font-family: var(--font-body); font-weight: 700; }
  .foot-col a, .foot-col p { display: block; font-size: 14.5px; color: var(--ink-soft); margin-bottom: 11px; transition: color .15s; }
  .foot-col a:hover { color: var(--primary-2); }
  .acknowledgement {
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
    padding: 26px 0; margin-bottom: 0;
  }
  .acknowledgement .wrap { display: flex; gap: 18px; align-items: flex-start; }
  .acknowledgement .ak-mark { width: 8px; align-self: stretch; border-radius: 999px; background: linear-gradient(var(--accent), var(--primary-2)); flex: none; }
  .acknowledgement h5 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent-ink); margin-bottom: 8px; font-weight: 700; }
  .acknowledgement p { font-size: 14px; color: var(--ink-soft); max-width: 88ch; }
  .foot-bottom { padding: 22px 0; }
  .foot-bottom .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
  .foot-bottom p { font-size: 13px; color: var(--muted); }
  .foot-bottom .langs { display: flex; gap: 14px; }
  .foot-bottom .langs a { font-size: 13px; color: var(--ink-soft); }

  /* ---------- Reveal animation ---------- */
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
  .reveal.in { opacity: 1; transform: none; }

  /* ---------- Courses page ---------- */
  .page-hero { padding: clamp(48px, 6vw, 88px) 0 clamp(28px, 3vw, 44px); position: relative; overflow: hidden; }
  .page-hero h1 { font-size: clamp(36px, 5vw, 58px); margin: 16px 0 18px; max-width: 16ch; }
  .page-hero .lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-soft); max-width: 60ch; }
  .hero-jump { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
  .chip-link {
    display: inline-flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 600; color: var(--primary-deep);
    background: var(--surface); border: 1px solid var(--line); padding: 11px 18px; border-radius: 999px; box-shadow: var(--shadow-sm);
    transition: transform .15s, border-color .15s, color .15s;
  }
  .chip-link:hover { transform: translateY(-2px); border-color: var(--primary-2); color: var(--primary-2); }
  .chip-link svg { width: 17px; height: 17px; color: var(--primary-2); }

  .course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .course {
    display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 30px 30px 28px; box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .course:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-2); }
  .course-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
  .course-tag {
    font-family: var(--font-body); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--primary-2); background: color-mix(in srgb, var(--primary-2) 11%, transparent);
    padding: 6px 12px; border-radius: 8px;
  }
  .course-dur { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--muted); }
  .course-dur svg { width: 16px; height: 16px; color: var(--accent-ink); }
  .course h3 { font-size: 22px; margin-bottom: 8px; }
  .course-for { font-size: 13.5px; font-weight: 600; color: var(--primary-2); margin-bottom: 14px; letter-spacing: 0.01em; }
  .course-desc { font-size: 14.8px; color: var(--ink-soft); margin-bottom: 18px; }
  .course-points { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
  .course-points li { display: flex; gap: 10px; font-size: 14px; color: var(--ink-soft); }
  .course-points li svg { width: 17px; height: 17px; flex: none; color: var(--primary-2); margin-top: 2px; }
  .course .brochure { margin-top: auto; align-self: flex-start; }
  .brochure svg { width: 17px; height: 17px; }

  /* India band */
  .india-band { background: var(--bg-tint); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }

  /* India representative card */
  .rep-card {
    margin-top: 30px; background: var(--primary-deep); color: #eef2fb; border-radius: 22px;
    padding: clamp(28px, 3.5vw, 44px); position: relative; overflow: hidden;
  }
  .rep-head { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
  .rep-head .ficon { width: 52px; height: 52px; border-radius: 14px; flex: none; display: grid; place-items: center;
    background: color-mix(in srgb, var(--primary-2) 26%, transparent); color: color-mix(in srgb, var(--primary-2) 70%, white); }
  .rep-head .ficon svg { width: 26px; height: 26px; }
  .rep-head h4 { color: #fff; font-family: var(--font-head); font-weight: 500; font-size: 22px; letter-spacing: 0.01em; }
  .rep-head p { color: #c2cde4; font-size: 14.5px; }
  .rep-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .rep-item { background: color-mix(in srgb, var(--primary-deep) 84%, white); border: 1px solid color-mix(in srgb, var(--primary-deep) 64%, white);
    border-radius: 14px; padding: 16px 18px; }
  .rep-item span { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.1em; color: #9fb0d4; margin-bottom: 7px; font-weight: 600; }
  .rep-item strong { color: #fff; font-size: 16px; font-weight: 600; }
  .rep-item a { color: #fff; font-size: 15px; font-weight: 500; word-break: break-word; transition: color .15s; }
  .rep-item a:hover { color: var(--accent); }

  /* Locations */
  .loc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .loc {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm);
  }
  .loc .loc-pin { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px;
    background: color-mix(in srgb, var(--primary-2) 11%, transparent); color: var(--primary-2); }
  .loc .loc-pin svg { width: 23px; height: 23px; }
  .loc-status { display: inline-flex; align-items: center; gap: 7px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--accent-ink); margin-bottom: 10px; }
  .loc-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
  .loc h3 { font-size: 21px; margin-bottom: 8px; }
  .loc p { font-size: 14.5px; color: var(--ink-soft); }
  .loc.soon { background: transparent; border-style: dashed; border-color: var(--line); display: flex; flex-direction: column; justify-content: center; }
  .loc.soon .loc-status { color: var(--muted); }
  .loc.soon .loc-status .dot { background: var(--muted); }

  /* Brochure toast */
  .toast {
    position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
    background: var(--primary-deep); color: #fff; padding: 14px 22px; border-radius: 14px; box-shadow: var(--shadow-md);
    font-size: 14.5px; font-weight: 500; z-index: 80; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; max-width: 90vw;
  }
  .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

  /* ---------- Mobile ---------- */
  .mobile-menu { display: none; }
  @media (max-width: 980px) {
    .nav-links, .nav-cta .btn { display: none; }
    .menu-btn { display: grid; place-items: center; }
    .hero-grid, .about-grid, .lead-faculty { grid-template-columns: 1fr; }
    .hero-media { order: -1; max-width: 460px; }
    .features-grid, .team-grid { grid-template-columns: 1fr 1fr; }
    .course-grid { grid-template-columns: 1fr; }
    .loc-grid { grid-template-columns: 1fr; }
    .rep-grid { grid-template-columns: 1fr 1fr; }
    .foot-grid { grid-template-columns: 1fr 1fr; }
    .mobile-menu.open { display: block; position: fixed; inset: 76px 0 0; background: var(--bg); z-index: 55; padding: 24px 28px; border-top: 1px solid var(--line); }
    .mobile-menu.open a { display: block; padding: 14px 0; font-size: 17px; font-weight: 500; border-bottom: 1px solid var(--line-soft); color: var(--ink); }
    .mobile-menu.open .btn { margin-top: 20px; width: 100%; justify-content: center; }
  }
  @media (max-width: 600px) {
    .features-grid, .team-grid, .foot-grid { grid-template-columns: 1fr; }
    .rep-grid { grid-template-columns: 1fr; }
    .wrap { padding: 0 20px; }
    .hero-float { left: 8px; }
  }