/* =====================================================
   CURSO DARLAN MOUTINHO — Loja online (EAD)
   Dark · Premium · Roxo/Azul · Conversão
   ===================================================== */

:root {
    --bg: #0B0B12;
    --bg-1: #101019;
    --bg-2: #161622;
    --surface: #181826;
    --surface-2: #1E1E2E;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.16);

    --blue: #4D7CFF;
    --violet: #9B5CFF;
    --lime: #B6FF3D;
    --blue-glow: rgba(77, 124, 255, 0.45);
    --violet-glow: rgba(155, 92, 255, 0.40);
    --lime-glow: rgba(182, 255, 61, 0.35);

    --grad: linear-gradient(110deg, var(--blue) 0%, var(--violet) 100%);
    --grad-lime: linear-gradient(110deg, var(--lime) 0%, #6FE6C0 100%);

    --text: #F4F4FA;
    --text-dim: #A8A8BC;
    --text-mute: #6C6C82;

    --heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --sans: 'DM Sans', system-ui, -apple-system, sans-serif;

    --container: 1180px;
    --radius: 16px;
    --radius-lg: 26px;
    --radius-pill: 999px;

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
::selection { background: var(--lime); color: #0A0A0A; }

.grain-overlay {
    position: fixed; inset: 0; pointer-events: none; z-index: 1000;
    opacity: 0.03; background-repeat: repeat; background-image: url("images/noise.png");
}
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--heading); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-lime { background: var(--grad-lime); -webkit-background-clip: text; background-clip: text; color: transparent; }

.eyebrow {
    display: inline-block; font-family: var(--heading); font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.18em; color: var(--blue);
    margin-bottom: 20px; padding: 7px 16px; border: 1px solid rgba(77, 124, 255, 0.3);
    border-radius: var(--radius-pill); background: rgba(77, 124, 255, 0.07);
}
.eyebrow.lime { color: var(--lime); border-color: rgba(182, 255, 61, 0.3); background: rgba(182, 255, 61, 0.06); }

.section-heading { max-width: 720px; margin-bottom: 64px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-heading h2 { font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 20px; }
.section-lead { color: var(--text-dim); font-size: 1.08rem; line-height: 1.7; max-width: 600px; }
.section-heading.center .section-lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 15px 28px; border-radius: var(--radius-pill); font-family: var(--heading);
    font-size: 15px; font-weight: 600; letter-spacing: 0.005em;
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), filter 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
    cursor: pointer; border: 1px solid transparent; white-space: nowrap;
}
.btn-primary {
    background: var(--grad); color: #fff;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12) inset, 0 14px 40px -12px var(--violet-glow), 0 6px 20px -8px var(--blue-glow);
}
.btn-primary:hover {
    transform: translateY(-2px); filter: brightness(1.08);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18) inset, 0 22px 55px -10px var(--violet-glow), 0 10px 30px -8px var(--blue-glow);
}
.btn-outline { background: rgba(255, 255, 255, 0.03); border-color: var(--line-strong); color: var(--text); }
.btn-outline:hover { border-color: var(--lime); color: var(--lime); transform: translateY(-2px); }
.btn-sm { padding: 11px 20px; font-size: 13.5px; }
.btn-lg { padding: 18px 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 16px 0;
    background: rgba(11, 11, 18, 0.7); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent; transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(11, 11, 18, 0.92); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; }
.brand-logo { height: 40px; width: auto; filter: brightness(0) invert(1); transition: opacity 0.3s var(--ease); }
.brand:hover .brand-logo { opacity: 0.8; }
.header-nav { display: flex; gap: 30px; margin-left: auto; margin-right: 8px; }
.header-nav a { font-size: 14.5px; font-weight: 500; color: var(--text-dim); transition: color 0.3s var(--ease); }
.header-nav a:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 180px 0 90px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.hero-blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; animation: blob-float 14s ease-in-out infinite; }
.hero-blob-1 { width: 620px; height: 620px; top: -240px; left: 8%; background: radial-gradient(circle, var(--violet) 0%, transparent 65%); }
.hero-blob-2 { width: 520px; height: 520px; top: -160px; right: 4%; left: auto; background: radial-gradient(circle, var(--blue) 0%, transparent 65%); animation-delay: -5s; }
@keyframes blob-float { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(30px) scale(1.08); } }
.hero-grid-lines {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 0%, transparent 75%);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.hero-copy { max-width: 620px; }

.hero-tag {
    display: inline-flex; align-items: center; gap: 10px; padding: 9px 18px;
    background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line); border-radius: var(--radius-pill);
    font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 28px;
}
.hero-tag .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 var(--lime-glow); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 var(--lime-glow); } 70% { box-shadow: 0 0 0 12px rgba(182, 255, 61, 0); } 100% { box-shadow: 0 0 0 0 rgba(182, 255, 61, 0); } }

.hero-title { font-size: clamp(2.4rem, 5.4vw, 4.6rem); margin-bottom: 24px; letter-spacing: -0.04em; line-height: 1.0; }
.hero-title .grad { filter: drop-shadow(0 6px 30px var(--violet-glow)); }
.hero-sub { font-size: clamp(1.02rem, 1.5vw, 1.18rem); color: var(--text-dim); max-width: 560px; margin-bottom: 34px; line-height: 1.65; }
.hero-sub strong { color: var(--text); font-weight: 700; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }

.hero-trust { display: flex; align-items: center; gap: 22px; }
.trust-item { display: flex; flex-direction: column; }
.trust-item strong { font-family: var(--heading); font-size: 1.5rem; line-height: 1; color: var(--text); }
.trust-item span { font-size: 13px; color: var(--text-mute); margin-top: 4px; }
.trust-divider { width: 1px; height: 38px; background: var(--line-strong); }

/* Hero media (foto de multidão) */
.hero-media { position: relative; }
.hero-img {
    width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; border-radius: var(--radius-lg);
    border: 1px solid var(--line-strong);
    box-shadow: 0 40px 100px -30px rgba(0,0,0,0.9), 0 0 0 1px rgba(155, 92, 255, 0.12);
}
.hero-media::after {
    content: ''; position: absolute; inset: 0; border-radius: var(--radius-lg); pointer-events: none;
    background: linear-gradient(180deg, transparent 55%, rgba(11,11,18,0.55) 100%);
}
.hero-media-badge {
    position: absolute; left: -18px; bottom: 26px; z-index: 2;
    background: rgba(16, 16, 25, 0.86); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--line-strong); border-radius: var(--radius);
    padding: 14px 20px; display: flex; flex-direction: column; box-shadow: 0 20px 50px -20px rgba(0,0,0,0.8);
}
.hero-media-badge .badge-num { font-family: var(--heading); font-size: 1.7rem; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.hero-media-badge .badge-text { font-size: 12.5px; color: var(--text-dim); margin-top: 4px; max-width: 130px; }

/* ---------- Stats band ---------- */
.stats-band { padding: 30px 0 70px; }
.stats-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 46px 30px;
}
.stat { text-align: center; position: relative; padding: 0 16px; }
.stat:not(:last-child)::after { content: ''; position: absolute; right: 0; top: 8%; height: 84%; width: 1px; background: var(--line); }
.stat-num { font-family: var(--heading); font-size: clamp(2.4rem, 5vw, 3.4rem); font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.stat-plus { font-family: var(--heading); font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 700; color: var(--violet); }
.stat-label { display: block; margin-top: 12px; font-size: 13.5px; color: var(--text-dim); }

/* ---------- Method ---------- */
.method { padding: 110px 0; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-1) 100%); }
.method-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.method-card {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 32px 28px; transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.method-card:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.method-icon {
    width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 22px;
    background: rgba(155, 92, 255, 0.1); border: 1px solid rgba(155, 92, 255, 0.25); color: var(--violet);
}
.method-icon svg { width: 26px; height: 26px; }
.method-card h3 { font-size: 1.22rem; margin-bottom: 12px; }
.method-card p { color: var(--text-dim); font-size: 0.98rem; line-height: 1.6; }

/* ---------- Professors (reaproveitado do enem-de-bandeja) ---------- */
.professors { padding: 110px 0; background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%); }
.professors-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 22px; }
.prof-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform 0.4s var(--ease), border-color 0.4s var(--ease); }
.prof-card:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.prof-photo { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center top; }
[data-accent="blue"] .prof-photo { background: radial-gradient(circle at 50% 38%, rgba(77, 124, 255, 0.34) 0%, transparent 64%), linear-gradient(140deg, #14182B 0%, var(--bg-1) 100%); }
[data-accent="violet"] .prof-photo { background: radial-gradient(circle at 50% 38%, rgba(155, 92, 255, 0.34) 0%, transparent 64%), linear-gradient(140deg, #1C1430 0%, var(--bg-1) 100%); }
[data-accent="lime"] .prof-photo { background: radial-gradient(circle at 50% 38%, rgba(182, 255, 61, 0.24) 0%, transparent 64%), linear-gradient(140deg, #16201A 0%, var(--bg-1) 100%); }
.prof-card figcaption { padding: 20px 22px 24px; }
.prof-name { font-size: 1.18rem; margin-bottom: 12px; }
.prof-subject {
    display: inline-block; font-family: var(--heading); font-size: 12px; font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase; padding: 6px 13px;
    border: 1px solid var(--line-strong); border-radius: var(--radius-pill); color: var(--text-dim);
}

/* ---------- Laboratório de Redação ---------- */
.lab { padding: 110px 0; background: var(--bg); }
.lab-inner { display: grid; grid-template-columns: 0.85fr 1fr; gap: 64px; align-items: center; }
.lab-media { position: relative; max-width: 440px; }
.lab-img {
    width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center top;
    border-radius: var(--radius-lg); border: 1px solid var(--line-strong);
    box-shadow: 0 40px 100px -30px rgba(0,0,0,0.9), 0 0 0 1px rgba(155, 92, 255, 0.12);
}
.lab-media-badge {
    position: absolute; right: -16px; bottom: 28px; z-index: 2;
    background: rgba(16, 16, 25, 0.86); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--line-strong); border-radius: var(--radius);
    padding: 14px 20px; display: flex; flex-direction: column; box-shadow: 0 20px 50px -20px rgba(0,0,0,0.8);
}
.lab-media-badge .badge-num { font-family: var(--heading); font-size: 1.9rem; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.lab-media-badge .badge-text { font-size: 12.5px; color: var(--text-dim); margin-top: 4px; max-width: 150px; }
.lab-copy h2 { font-size: clamp(2rem, 4.4vw, 3rem); margin-bottom: 20px; }
.lab-copy .section-lead { margin-bottom: 30px; }
.lab-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 34px; }
.lab-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 1.02rem; color: var(--text); }
.lab-list svg { width: 19px; height: 19px; color: var(--lime); flex-shrink: 0; margin-top: 4px; }

/* ---------- Products ---------- */
.products { padding: 110px 0; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-1) 100%); }

.tier-switch {
    display: flex; flex-direction: column; align-items: center; gap: 14px; margin: -20px auto 56px; text-align: center;
}
.tier-switch-label { font-family: var(--heading); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.16em; color: var(--text-mute); }
.tier-switch-options {
    display: inline-flex; gap: 6px; padding: 6px; background: var(--surface);
    border: 1px solid var(--line-strong); border-radius: var(--radius-pill);
}
.tier-btn {
    position: relative; padding: 11px 22px; border-radius: var(--radius-pill);
    font-family: var(--heading); font-size: 14.5px; font-weight: 600; color: var(--text-dim);
    transition: color 0.3s var(--ease), background 0.3s var(--ease);
}
.tier-btn:hover { color: var(--text); }
.tier-btn.is-active { background: var(--grad); color: #fff; box-shadow: 0 8px 24px -10px var(--violet-glow); }
.tier-tag { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.85; margin-left: 4px; }

.products-subtitle {
    font-family: var(--heading); font-size: 1.6rem; margin: 18px 0 26px; scroll-margin-top: 100px;
    display: flex; align-items: center; gap: 14px;
}
.products-subtitle::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 22px; margin-bottom: 50px; }

.product-card {
    position: relative; display: flex; flex-direction: column;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 30px 28px; transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.product-card:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.product-card.is-featured {
    border-color: rgba(155, 92, 255, 0.45);
    box-shadow: 0 0 0 1px rgba(155, 92, 255, 0.2), 0 30px 70px -34px var(--violet-glow);
    background: linear-gradient(180deg, rgba(155, 92, 255, 0.06) 0%, var(--surface) 60%);
}
.product-badge {
    position: absolute; top: -12px; left: 28px; background: var(--grad); color: #fff;
    font-family: var(--heading); font-size: 11.5px; font-weight: 600; letter-spacing: 0.04em;
    text-transform: uppercase; padding: 6px 14px; border-radius: var(--radius-pill);
    box-shadow: 0 10px 24px -10px var(--violet-glow);
}
.product-kind { font-family: var(--heading); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; color: var(--violet); }
.product-name { font-size: 1.5rem; margin: 10px 0 12px; }
.product-desc { color: var(--text-dim); font-size: 0.95rem; line-height: 1.6; }
.product-includes { margin: 22px 0; display: flex; flex-direction: column; gap: 10px; }
.product-includes li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.93rem; color: var(--text); }
.product-includes svg { width: 17px; height: 17px; color: var(--lime); flex-shrink: 0; margin-top: 3px; }

.product-price { margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); }
.price-installment { display: flex; align-items: baseline; gap: 8px; }
.price-x { font-family: var(--heading); font-size: 1.1rem; font-weight: 600; color: var(--text-dim); }
.price-value { font-size: 1.1rem; color: var(--text-dim); }
.price-value strong { font-family: var(--heading); font-size: 2.1rem; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.price-cash { font-size: 0.92rem; color: var(--text-dim); margin-top: 8px; }
.price-cash strong { color: var(--text); font-weight: 700; }
.price-off { display: inline-block; margin-left: 4px; font-family: var(--heading); font-size: 10.5px; font-weight: 600; letter-spacing: 0.04em; color: var(--lime); background: rgba(182, 255, 61, 0.1); border: 1px solid rgba(182, 255, 61, 0.3); padding: 2px 8px; border-radius: var(--radius-pill); }
.price-access { font-size: 12.5px; color: var(--text-mute); margin-top: 8px; }
.price-access strong { color: var(--text-dim); }
.product-cta { margin-top: 22px; }

.products-note { text-align: center; color: var(--text-mute); font-size: 14px; max-width: 640px; margin: 0 auto; }
.products-note strong { color: var(--lime); }

/* ---------- Includes ---------- */
.includes { padding: 110px 0; background: var(--bg-1); }
.includes-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.includes-copy h2 { font-size: clamp(2rem, 4.4vw, 3rem); margin-bottom: 20px; }
.includes-copy .section-lead { margin-bottom: 32px; }
.includes-list { display: grid; grid-template-columns: 1fr; gap: 16px; }
.includes-list li { display: flex; align-items: center; gap: 14px; font-size: 1.02rem; color: var(--text); padding: 16px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.includes-list svg { width: 20px; height: 20px; color: var(--lime); flex-shrink: 0; }

/* ---------- FAQ ---------- */
.faq { padding: 110px 0; background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg) 100%); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 26px; transition: border-color 0.3s var(--ease); }
.faq-item[open] { border-color: var(--line-strong); }
.faq-item summary {
    list-style: none; cursor: pointer; padding: 22px 0; font-family: var(--heading);
    font-size: 1.08rem; font-weight: 600; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.6rem; font-weight: 400; color: var(--violet); transition: transform 0.3s var(--ease); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 0 24px; color: var(--text-dim); line-height: 1.7; }

/* ---------- Final CTA ---------- */
.final-cta { position: relative; padding: 130px 0; overflow: hidden; }
.final-cta-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(155, 92, 255, 0.18) 0%, transparent 70%); }
.final-cta-inner { position: relative; z-index: 2; text-align: center; max-width: 720px; }
.final-cta h2 { font-size: clamp(2.2rem, 6vw, 4rem); margin-bottom: 22px; }
.final-cta p { color: var(--text-dim); font-size: 1.1rem; max-width: 540px; margin: 0 auto 38px; }
.final-cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { padding: 60px 0; border-top: 1px solid var(--line); background: var(--bg); }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.footer-logo { height: 38px; filter: brightness(0) invert(1); opacity: 0.9; }
.footer-text { color: var(--text-dim); font-size: 14px; }
.footer-copy { color: var(--text-mute); font-size: 13px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .hero-inner { grid-template-columns: 1fr; gap: 48px; }
    .hero-media { max-width: 520px; margin: 0 auto; width: 100%; }
    .includes-inner { grid-template-columns: 1fr; gap: 44px; }
    .lab-inner { grid-template-columns: 1fr; gap: 44px; }
    .lab-media { max-width: 440px; margin: 0 auto; width: 100%; order: -1; }
}
@media (max-width: 820px) {
    .header-nav { display: none; }
}
@media (max-width: 720px) {
    .hero { padding: 140px 0 70px; }
    .stats-grid { grid-template-columns: 1fr; gap: 30px; padding: 36px 24px; }
    .stat:not(:last-child)::after { display: none; }
    .stat:not(:last-child) { padding-bottom: 30px; border-bottom: 1px solid var(--line); }
    .hero-trust { gap: 16px; flex-wrap: wrap; }
    .tier-switch-options { width: 100%; justify-content: center; }
    .tier-btn { padding: 11px 14px; font-size: 13px; }
    .tier-tag { display: none; }
    .hero-media-badge { left: 12px; }
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero-blob { animation: none; }
}