:root {
      --navy-950: #05132f;
      --navy-900: #071d49;
      --navy-800: #0a2b64;
      --blue-700: #1747a0;
      --blue-600: #1e5fd1;
      --blue-100: #e9f0ff;
      --cyan-400: #4ed7e8;
      --gold-400: #f4c44e;
      --gold-100: #fff5d6;
      --ink: #14223b;
      --muted: #60708b;
      --line: #dfe6f1;
      --surface: #ffffff;
      --surface-soft: #f6f8fc;
      --canvas: #fbfcff;
      --success: #0e8a67;
      --shadow-sm: 0 10px 30px rgba(7, 29, 73, .08);
      --shadow-lg: 0 28px 80px rgba(7, 29, 73, .17);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 32px;
      --max: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--canvas);
      font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.6;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    body.menu-open { overflow: hidden; }
    img { max-width: 100%; display: block; }
    button, a { font: inherit; }
    a { color: inherit; }
    button { border: 0; }
    :focus-visible { outline: 3px solid rgba(30, 95, 209, .4); outline-offset: 3px; }

    .skip-link {
      position: fixed;
      left: 1rem;
      top: -5rem;
      z-index: 100;
      padding: .75rem 1rem;
      border-radius: 8px;
      color: white;
      background: var(--navy-900);
      text-decoration: none;
    }
    .skip-link:focus { top: 1rem; }

    .container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
    .section { padding: 6.75rem 0; }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: .55rem;
      margin: 0 0 1rem;
      color: var(--blue-700);
      font-size: .78rem;
      font-weight: 800;
      letter-spacing: .13em;
      text-transform: uppercase;
    }
    .section-kicker::before {
      content: "";
      width: 1.75rem;
      height: 2px;
      background: var(--gold-400);
    }
    h1, h2, h3, p { margin-top: 0; }
    h1, h2, h3 { color: var(--navy-950); line-height: 1.08; letter-spacing: -.035em; }
    h1 { margin-bottom: 1.45rem; font-size: clamp(2.65rem, 6vw, 5.4rem); font-weight: 760; }
    h2 { margin-bottom: 1.25rem; font-size: clamp(2rem, 4vw, 3.75rem); font-weight: 740; }
    h3 { margin-bottom: .75rem; font-size: clamp(1.25rem, 2vw, 1.65rem); }
    .lead { max-width: 44rem; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
    .section-heading { max-width: 760px; margin-bottom: 3rem; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(223, 230, 241, .82);
      background: rgba(251, 252, 255, .88);
      backdrop-filter: blur(16px);
    }
    .header-inner { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
    .brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; flex: 0 0 auto; }
    .brand img { width: 126px; height: 66px; object-fit: contain; }
    .desktop-nav { display: flex; align-items: center; gap: 1.75rem; }
    .desktop-nav > a {
      color: #334460;
      font-size: .93rem;
      font-weight: 650;
      text-decoration: none;
      transition: color .2s ease;
    }
    .desktop-nav > a:hover { color: var(--blue-600); }
    .nav-actions { display: flex; align-items: center; gap: .75rem; }
    .nav-login { color: var(--navy-900); font-size: .92rem; font-weight: 750; text-decoration: none; }
    .nav-pill {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      padding: .65rem 1.1rem;
      border-radius: 999px;
      color: white;
      background: var(--navy-900);
      font-size: .9rem;
      font-weight: 750;
      text-decoration: none;
      box-shadow: 0 8px 20px rgba(7, 29, 73, .16);
    }
    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 50%;
      color: var(--navy-900);
      background: var(--blue-100);
      cursor: pointer;
    }
    .mobile-nav {
      display: none;
      position: fixed;
      inset: 82px 0 0;
      z-index: 45;
      padding: 2rem 1.25rem;
      background: var(--canvas);
    }
    .mobile-nav.is-open { display: block; }
    .mobile-nav a { display: block; padding: 1rem 0; border-bottom: 1px solid var(--line); color: var(--navy-900); font-size: 1.25rem; font-weight: 750; text-decoration: none; }

    .hero {
      position: relative;
      isolation: isolate;
      overflow: hidden;
      padding: 4.7rem 0 5.5rem;
      background:
        radial-gradient(circle at 8% 10%, rgba(78, 215, 232, .12), transparent 31%),
        radial-gradient(circle at 90% 4%, rgba(30, 95, 209, .11), transparent 31%),
        linear-gradient(180deg, #fbfcff 0%, #f7f9fe 100%);
    }
    .hero::after {
      content: "";
      position: absolute;
      right: -13rem;
      bottom: -18rem;
      z-index: -1;
      width: 42rem;
      aspect-ratio: 1;
      border: 1px solid rgba(30, 95, 209, .13);
      border-radius: 50%;
      box-shadow: 0 0 0 90px rgba(30, 95, 209, .025), 0 0 0 180px rgba(30, 95, 209, .018);
    }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(390px, .95fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); }
    .hero-copy { max-width: 690px; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: .55rem;
      margin-bottom: 1.2rem;
      padding: .45rem .8rem;
      border: 1px solid #d8e2f7;
      border-radius: 999px;
      color: var(--blue-700);
      background: rgba(255, 255, 255, .72);
      font-size: .78rem;
      font-weight: 800;
      letter-spacing: .06em;
      text-transform: uppercase;
    }
    .eyebrow-dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--gold-400); box-shadow: 0 0 0 4px var(--gold-100); }
    .hero h1 span { color: var(--blue-600); }
    .hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .55rem;
      min-height: 50px;
      padding: .78rem 1.25rem;
      border: 1px solid transparent;
      border-radius: 999px;
      font-size: .94rem;
      font-weight: 780;
      text-decoration: none;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .button:hover { transform: translateY(-2px); }
    .button-primary { color: white; background: var(--blue-600); box-shadow: 0 12px 28px rgba(30, 95, 209, .24); }
    .button-primary:hover { background: var(--blue-700); box-shadow: 0 16px 32px rgba(30, 95, 209, .29); }
    .button-secondary { color: var(--navy-900); border-color: #cdd8ea; background: rgba(255,255,255,.8); }
    .button-secondary:hover { border-color: #9eb1d0; background: white; }
    .button-light { color: var(--navy-950); background: white; }
    .arrow { font-size: 1.1rem; line-height: 1; }
    .hero-notes { display: flex; flex-wrap: wrap; gap: .75rem 1.15rem; margin-top: 2rem; color: #52637f; font-size: .86rem; font-weight: 630; }
    .hero-notes span { display: inline-flex; align-items: center; gap: .45rem; }
    .hero-notes svg { width: 17px; height: 17px; color: var(--success); }

    .experience-card {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(188, 201, 222, .7);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .94);
      box-shadow: var(--shadow-lg);
    }
    .experience-tabs { display: grid; grid-template-columns: 1fr 1fr; padding: .55rem; border-bottom: 1px solid var(--line); background: #f5f7fb; }
    .experience-tab {
      padding: .78rem .75rem;
      border-radius: 12px;
      color: #67758b;
      background: transparent;
      font-size: .88rem;
      font-weight: 800;
      cursor: pointer;
    }
    .experience-tab[aria-selected="true"] { color: var(--navy-900); background: white; box-shadow: 0 4px 16px rgba(7, 29, 73, .08); }
    .experience-panel { min-height: 435px; padding: 1.5rem; }
    .experience-panel[hidden] { display: none; }
    .panel-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.3rem; }
    .panel-label { margin: 0 0 .3rem; color: var(--blue-600); font-size: .73rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
    .panel-title { margin: 0; max-width: 310px; font-size: 1.2rem; line-height: 1.25; letter-spacing: -.02em; }
    .status-tag { flex: 0 0 auto; padding: .35rem .6rem; border-radius: 999px; color: #7a5710; background: var(--gold-100); font-size: .7rem; font-weight: 850; }
    .course-visual { padding: 1.15rem; border: 1px solid #dde5f0; border-radius: 17px; background: linear-gradient(145deg, #f9fbff, #f2f6fd); }
    .course-module { display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: .8rem; padding: .72rem 0; border-bottom: 1px solid #e1e7f0; }
    .course-module:last-child { border-bottom: 0; }
    .module-index { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: var(--blue-700); background: var(--blue-100); font-size: .76rem; font-weight: 850; }
    .course-module.active .module-index { color: white; background: var(--blue-600); }
    .module-copy strong { display: block; color: #253753; font-size: .86rem; line-height: 1.25; }
    .module-copy small { color: #8290a5; font-size: .72rem; }
    .module-state { color: var(--success); font-size: .74rem; font-weight: 800; }
    .progress-row { margin-top: 1.15rem; }
    .progress-meta { display: flex; justify-content: space-between; margin-bottom: .5rem; color: #6c7a90; font-size: .74rem; font-weight: 750; }
    .progress-track { height: 7px; overflow: hidden; border-radius: 99px; background: #e4eaf3; }
    .progress-fill { width: 38%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue-600), var(--cyan-400)); }

    .sim-shell { overflow: hidden; border: 1px solid #1b3e72; border-radius: 16px; color: #dfeaff; background: #071a3d; box-shadow: 0 16px 40px rgba(5, 19, 47, .25); }
    .sim-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem .9rem; border-bottom: 1px solid #173867; background: #0a2450; }
    .sim-dots { display: flex; gap: .3rem; }
    .sim-dots i { width: 7px; height: 7px; border-radius: 50%; background: #567299; }
    .sim-dots i:first-child { background: var(--gold-400); }
    .sim-bar span { color: #adc1e0; font-size: .67rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
    .sim-patient { padding: .9rem 1rem; border-bottom: 1px solid #173867; }
    .sim-patient strong { display: block; font-size: .9rem; }
    .sim-patient small { color: #92a9ca; font-size: .68rem; }
    .sim-tabs { display: flex; gap: .35rem; padding: .65rem .8rem 0; }
    .sim-tabs span { padding: .45rem .6rem; border-radius: 7px 7px 0 0; color: #87a2c8; background: #0b2857; font-size: .65rem; font-weight: 780; }
    .sim-tabs span.active { color: white; background: #12366d; }
    .result-table { width: calc(100% - 1.6rem); margin: 0 .8rem .8rem; border-collapse: collapse; background: #0b2857; }
    .result-table td { padding: .45rem .55rem; border-bottom: 1px solid #1c4278; color: #b8c9e2; font-size: .68rem; }
    .result-table td:nth-child(2) { color: white; font-weight: 750; text-align: right; }
    .result-table tr.alert td:nth-child(2) { color: #ffd56d; }
    .sim-prompt { display: flex; align-items: center; justify-content: space-between; gap: .8rem; padding: .75rem .9rem; background: #061632; }
    .sim-prompt span { font-size: .69rem; color: #a4b8d5; }
    .sim-prompt strong { color: var(--cyan-400); font-size: .7rem; }

    .product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
    .product-card {
      position: relative;
      overflow: hidden;
      min-height: 440px;
      padding: clamp(1.6rem, 4vw, 2.6rem);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: white;
      box-shadow: var(--shadow-sm);
    }
    .product-card::after {
      content: "";
      position: absolute;
      width: 230px;
      height: 230px;
      right: -90px;
      bottom: -100px;
      border-radius: 50%;
      background: rgba(30, 95, 209, .06);
    }
    .product-card.simulator { color: #dfeaff; border-color: #183b6e; background: linear-gradient(145deg, #061632, #0a2b61); box-shadow: 0 28px 70px rgba(5, 19, 47, .2); }
    .product-card.simulator::after { background: rgba(78, 215, 232, .08); }
    .product-number { display: flex; align-items: center; gap: .75rem; margin-bottom: 3rem; color: var(--blue-600); font-size: .72rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
    .product-number::after { content: ""; width: 3rem; height: 1px; background: currentColor; opacity: .35; }
    .simulator .product-number { color: var(--cyan-400); }
    .product-card h3 { max-width: 440px; font-size: clamp(1.75rem, 4vw, 2.8rem); }
    .simulator h3 { color: white; }
    .product-card p { max-width: 470px; color: var(--muted); }
    .simulator p { color: #aebfda; }
    .product-list { display: grid; gap: .55rem; margin: 1.7rem 0 2rem; padding: 0; list-style: none; }
    .product-list li { display: flex; align-items: center; gap: .55rem; color: #41536f; font-size: .92rem; font-weight: 650; }
    .product-list li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold-400); }
    .simulator .product-list li { color: #c5d3e8; }
    .product-link { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: .5rem; color: var(--blue-600); font-weight: 800; text-decoration: none; }
    .simulator .product-link { color: var(--cyan-400); }
    .product-footnote { position: absolute; top: 1.6rem; right: 1.6rem; padding: .4rem .65rem; border-radius: 999px; color: #435674; background: var(--surface-soft); font-size: .67rem; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
    .simulator .product-footnote { color: var(--cyan-400); background: rgba(78, 215, 232, .1); }

    .featured { background: white; }
    .featured-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); align-items: center; gap: clamp(2rem, 7vw, 6rem); }
    .feature-badge { display: inline-flex; padding: .4rem .68rem; border-radius: 999px; color: #75530b; background: var(--gold-100); font-size: .72rem; font-weight: 850; text-transform: uppercase; }
    .featured-copy h2 { margin-top: 1.1rem; }
    .featured-meta { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.8rem 0; }
    .featured-meta span { padding: .48rem .7rem; border: 1px solid #dce4ef; border-radius: 999px; color: #51627c; background: #fbfcff; font-size: .78rem; font-weight: 720; }
    .curriculum-card { position: relative; padding: 1rem; border: 1px solid #dce4ef; border-radius: 30px; background: #f7f9fd; box-shadow: var(--shadow-lg); }
    .curriculum-card::before { content: ""; position: absolute; inset: -12px auto auto -12px; width: 74px; height: 74px; border: 1px solid rgba(30,95,209,.17); border-radius: 22px; transform: rotate(-8deg); z-index: -1; }
    .curriculum-header { padding: 1.25rem; border-radius: 20px; color: white; background: linear-gradient(135deg, var(--navy-900), var(--blue-700)); }
    .curriculum-header small { color: #b9c9e5; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
    .curriculum-header strong { display: block; margin-top: .35rem; font-size: 1.1rem; }
    .curriculum-list { display: grid; gap: .65rem; margin-top: .8rem; }
    .curriculum-item { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: .8rem; padding: .85rem .9rem; border: 1px solid #e0e6f0; border-radius: 14px; background: white; }
    .curriculum-item b { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; color: var(--blue-700); background: var(--blue-100); font-size: .75rem; }
    .curriculum-item span { color: #30435f; font-size: .84rem; font-weight: 750; }
    .curriculum-item em { color: #8b98aa; font-size: .68rem; font-style: normal; font-weight: 700; }

    .lab-section { position: relative; isolation: isolate; overflow: hidden; color: #dce8fb; background: var(--navy-950); }
    .lab-section::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 72% 25%, rgba(30, 95, 209, .27), transparent 35%), linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: auto, 42px 42px, 42px 42px; }
    .lab-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(460px, 1.2fr); align-items: center; gap: clamp(2.5rem, 7vw, 6.5rem); }
    .lab-section .section-kicker { color: var(--cyan-400); }
    .lab-section h2 { color: white; }
    .lab-section .lead { color: #9fb2cf; }
    .lab-manifesto { margin: 2rem 0; padding-left: 1.2rem; border-left: 3px solid var(--cyan-400); color: white; font-size: 1.15rem; font-weight: 720; }
    .lab-features { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .7rem; margin: 2rem 0; }
    .lab-feature { padding: .85rem; border: 1px solid rgba(149,178,217,.16); border-radius: 12px; color: #c0cee2; background: rgba(255,255,255,.035); font-size: .82rem; font-weight: 680; }
    .workstation { overflow: hidden; border: 1px solid #214b84; border-radius: 24px; background: #061632; box-shadow: 0 35px 100px rgba(0,0,0,.35); transform: perspective(1200px) rotateY(-2deg); }
    .workstation-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.1rem; border-bottom: 1px solid #1c4176; background: #0a2858; }
    .workstation-brand { display: flex; align-items: center; gap: .6rem; color: white; font-size: .75rem; font-weight: 850; letter-spacing: .04em; }
    .workstation-brand i { width: 10px; height: 10px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 18px var(--cyan-400); }
    .workstation-bar small { color: #83a0c9; font-size: .67rem; }
    .workstation-body { display: grid; grid-template-columns: 150px 1fr; min-height: 390px; }
    .workstation-side { padding: 1rem .75rem; border-right: 1px solid #15396d; background: #071d46; }
    .workstation-side span { display: block; margin-bottom: .45rem; padding: .65rem .7rem; border-radius: 8px; color: #7795c1; font-size: .67rem; font-weight: 750; }
    .workstation-side span.active { color: white; background: #12386f; }
    .workstation-main { padding: 1.1rem; }
    .patient-strip { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem; border: 1px solid #1e4378; border-radius: 11px; background: #0a2855; }
    .patient-strip strong { display: block; color: white; font-size: .83rem; }
    .patient-strip small { color: #829dc2; font-size: .65rem; }
    .critical-badge { align-self: center; padding: .3rem .5rem; border-radius: 999px; color: #ffd56d; background: rgba(244,196,78,.12); font-size: .63rem; font-weight: 850; }
    .work-table { width: 100%; margin-top: .8rem; border-collapse: collapse; }
    .work-table th, .work-table td { padding: .68rem .6rem; border-bottom: 1px solid #173867; text-align: left; font-size: .68rem; }
    .work-table th { color: #6e8ab4; font-weight: 720; }
    .work-table td { color: #b6c8e2; }
    .work-table td:nth-child(2) { color: white; font-weight: 780; }
    .work-table tr.critical td:nth-child(2) { color: #ffd56d; }
    .decision-card { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1rem; padding: .8rem; border: 1px solid rgba(78,215,232,.24); border-radius: 11px; background: rgba(78,215,232,.06); }
    .decision-card span { color: #a9bedb; font-size: .68rem; }
    .decision-card b { color: var(--cyan-400); font-size: .69rem; }

    .steps { background: var(--surface-soft); }
    .steps-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1rem; }
    .step-card { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; }
    .step-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 1.5rem; border-radius: 14px; color: var(--blue-700); background: var(--blue-100); font-weight: 850; }
    .step-card h3 { font-size: 1.1rem; }
    .step-card p { margin-bottom: 0; color: var(--muted); font-size: .9rem; }

    .credential-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(410px, 1.2fr); align-items: center; gap: clamp(2rem, 8vw, 7rem); }
    .credential-copy ul { display: grid; gap: .8rem; margin: 1.6rem 0 0; padding: 0; list-style: none; }
    .credential-copy li { display: flex; gap: .65rem; color: #455773; }
    .credential-copy li::before { content: "✓"; color: var(--success); font-weight: 900; }
    .certificate {
      position: relative;
      padding: 2rem;
      border: 10px solid white;
      outline: 1px solid #ced9ea;
      border-radius: 10px;
      background: linear-gradient(135deg, #f9fbff, white);
      box-shadow: var(--shadow-lg);
      text-align: center;
    }
    .certificate::before { content: ""; position: absolute; inset: 12px; border: 1px solid #dbe3ef; pointer-events: none; }
    .certificate img { width: 120px; height: 88px; margin: 0 auto 1rem; object-fit: contain; }
    .certificate small { color: #7a889b; font-size: .67rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
    .certificate h3 { margin: .9rem 0 .45rem; font-family: Georgia, "Times New Roman", serif; font-size: 1.85rem; }
    .certificate p { margin: 0; color: #738097; font-size: .8rem; }
    .certificate-line { width: 54%; height: 1px; margin: 1.6rem auto .45rem; background: #aebbd0; }
    .certificate-note { margin-top: 1.3rem; color: #7d8899; font-size: .75rem; }

    .about-band { color: white; background: linear-gradient(110deg, var(--blue-700), var(--navy-900)); }
    .about-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4rem; }
    .about-band .section-kicker { color: #b7eff5; }
    .about-band h2 { color: white; }
    .about-band p { color: #c7d5e9; }
    .about-values { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .8rem; }
    .about-value { padding: 1.25rem; border: 1px solid rgba(255,255,255,.16); border-radius: 16px; background: rgba(255,255,255,.06); }
    .about-value strong { display: block; margin-bottom: .3rem; color: white; font-size: 1rem; }
    .about-value span { color: #b8cae4; font-size: .82rem; }

    .faq-grid { display: grid; grid-template-columns: minmax(0, .65fr) minmax(480px, 1.35fr); gap: 5rem; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-list details { border-bottom: 1px solid var(--line); }
    .faq-list summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1.25rem 0; color: var(--navy-900); font-weight: 780; cursor: pointer; list-style: none; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; color: var(--blue-600); font-size: 1.3rem; font-weight: 500; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { max-width: 650px; padding: 0 2rem 1.25rem 0; color: var(--muted); }

    .closing { padding: 1rem 0 6.5rem; }
    .closing-card { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: clamp(2rem, 5vw, 3.8rem); border-radius: var(--radius-lg); color: white; background: linear-gradient(120deg, var(--navy-950), var(--blue-700)); box-shadow: var(--shadow-lg); }
    .closing-card h2 { max-width: 650px; margin-bottom: .8rem; color: white; }
    .closing-card p { margin-bottom: 0; color: #b9cae3; }

    .site-footer { padding: 2.5rem 0; border-top: 1px solid var(--line); background: white; }
    .footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
    .footer-brand { display: flex; align-items: center; gap: 1rem; }
    .footer-brand img { width: 104px; height: 58px; object-fit: contain; }
    .footer-brand p { margin: 0; color: #748197; font-size: .78rem; }
    .footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 1rem; color: #64728a; font-size: .78rem; }
    .footer-links a { text-decoration: none; }

    @media (max-width: 980px) {
      .desktop-nav, .nav-actions { display: none; }
      .menu-toggle { display: grid; place-items: center; }
      .hero-grid, .featured-grid, .lab-grid, .credential-grid, .about-grid, .faq-grid { grid-template-columns: 1fr; }
      .hero-copy { max-width: 790px; }
      .experience-card { max-width: 600px; width: 100%; margin: 0 auto; }
      .product-grid { grid-template-columns: 1fr; }
      .product-card { min-height: auto; }
      .featured-grid, .credential-grid { gap: 4rem; }
      .curriculum-card, .certificate { max-width: 620px; width: 100%; margin: 0 auto; }
      .lab-grid { gap: 4rem; }
      .workstation { max-width: 720px; transform: none; }
      .steps-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .faq-grid { gap: 2.5rem; }
    }

    @media (max-width: 640px) {
      .container { width: min(calc(100% - 1.25rem), var(--max)); }
      .section { padding: 5rem 0; }
      .header-inner { height: 70px; }
      .brand img { width: 106px; height: 58px; }
      .mobile-nav { inset: 70px 0 0; }
      .hero { padding: 3.25rem 0 4.5rem; }
      h1 { font-size: clamp(2.5rem, 14vw, 4rem); }
      .hero-actions .button { width: 100%; }
      .hero-notes { display: grid; }
      .experience-panel { min-height: 420px; padding: 1rem; }
      .panel-top { display: block; }
      .status-tag { display: inline-flex; margin-top: .65rem; }
      .course-module { grid-template-columns: 36px 1fr; }
      .module-state { display: none; }
      .product-card { padding: 1.5rem; }
      .product-footnote { position: static; display: inline-flex; margin-bottom: 1.5rem; }
      .product-number { margin-bottom: 1.4rem; }
      .curriculum-item { grid-template-columns: 38px 1fr; }
      .curriculum-item em { display: none; }
      .workstation { overflow-x: auto; }
      .workstation-body { min-width: 560px; }
      .lab-features, .steps-grid, .about-values { grid-template-columns: 1fr; }
      .closing-card { display: block; }
      .closing-card .button { width: 100%; margin-top: 1.5rem; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-links { justify-content: flex-start; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
    }