:root {
  --navy-950: #031128;
  --navy-900: #071d3d;
  --navy-800: #0a2d5c;
  --navy-700: #11447f;
  --blue: #1678da;
  --sky: #eaf5ff;
  --gold: #f6bf3b;
  --gold-light: #ffe79c;
  --ink: #152033;
  --muted: #5d6879;
  --line: #dfe6ee;
  --surface: #f6f8fb;
  --white: #fff;
  --success: #18a668;
  --shadow: 0 24px 70px rgba(3, 17, 40, .14);
  --radius: 24px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, summary { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 16px; transform: translateY(-150%); border-radius: 8px; background: white; color: var(--navy-900); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(3,17,40,.9); color: var(--white); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 850; letter-spacing: .05em; line-height: 1.05; }
.brand small { display: block; margin-top: 4px; color: #98b1cf; font-size: 9px; letter-spacing: .17em; }
.brand-mark { width: 38px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgba(246,191,59,.8); border-radius: 50%; color: var(--gold); font-size: 24px; }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 650; }
.main-nav > a:not(.nav-cta) { color: #c8d5e5; transition: color .2s; }
.main-nav > a:not(.nav-cta):hover { color: white; }
.nav-cta { padding: 11px 17px; border: 1px solid var(--gold); border-radius: 99px; color: var(--navy-950); background: var(--gold); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: white; }

.hero { position: relative; overflow: hidden; padding: 72px 0 58px; background: radial-gradient(circle at 68% 35%, #174c87 0, #0a2b58 25%, var(--navy-950) 66%); color: white; }
.hero::after { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, black, transparent 90%); }
.hero-glow { position: absolute; z-index: 0; border-radius: 50%; filter: blur(12px); opacity: .25; }
.hero-glow-one { width: 380px; height: 380px; right: 6%; top: 8%; background: #2a9fff; }
.hero-glow-two { width: 280px; height: 280px; left: -10%; bottom: -15%; background: var(--gold); opacity: .08; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 34px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--gold); font-size: 13px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 6px rgba(246,191,59,.13); }
h1, h2, h3 { margin-top: 0; line-height: 1.12; }
h1 { max-width: 720px; margin: 22px 0; font-size: clamp(42px, 5.1vw, 68px); letter-spacing: -.045em; }
h1 em { color: var(--gold-light); font-style: normal; }
.hero-lead { max-width: 670px; margin: 0 0 25px; color: #d4e1ee; font-size: 18px; }
.hero-points { display: grid; gap: 10px; margin: 0 0 30px; padding: 0; list-style: none; font-size: 15px; font-weight: 650; }
.hero-points li { display: flex; gap: 10px; align-items: center; }
.hero-points span { width: 23px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: rgba(24,166,104,.16); color: #67e1aa; font-size: 13px; }
.hero-offer { display: flex; align-items: center; gap: 24px; }
.price-block { min-width: 145px; }
.price-label { display: block; margin-bottom: -8px; color: #9bb0c7; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.price-block div { display: flex; align-items: baseline; gap: 5px; }
.price-block sup { font-size: 13px; font-weight: 800; }
.price-block strong { color: var(--gold); font-size: 58px; line-height: 1; letter-spacing: -.06em; }
.price-block small { color: #9bb0c7; font-size: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 56px; padding: 15px 24px; border-radius: 12px; font-weight: 850; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, #22ba74, #11945b); color: white; box-shadow: 0 14px 34px rgba(18,157,94,.28); }
.button-primary:hover { box-shadow: 0 18px 44px rgba(18,157,94,.38); }
.button-gold { background: linear-gradient(135deg, #ffe07b, var(--gold)); color: var(--navy-950); box-shadow: 0 18px 40px rgba(246,191,59,.25); }
.microcopy { margin: 18px 0 0; color: #9eb1c6; font-size: 12px; }
.hero-visual { position: relative; min-height: 540px; display: grid; place-items: center; }
.book-halo { position: absolute; width: 77%; aspect-ratio: 1; border: 1px solid rgba(246,191,59,.22); border-radius: 50%; background: radial-gradient(circle, rgba(246,191,59,.1), transparent 70%); }
.book-mockup { position: relative; z-index: 2; width: min(82%, 500px); filter: drop-shadow(0 35px 36px rgba(0,0,0,.42)); animation: float 6s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }
.floating-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 9px; padding: 11px 14px; border: 1px solid rgba(255,255,255,.2); border-radius: 13px; background: rgba(9,30,61,.78); box-shadow: 0 15px 40px rgba(0,0,0,.25); backdrop-filter: blur(10px); font-size: 12px; }
.floating-card-a { left: 4%; top: 19%; }
.floating-card-a b { color: var(--gold); font-size: 28px; }
.floating-card-a span { max-width: 58px; color: #d9e5f1; line-height: 1.1; }
.floating-card-b { right: 3%; bottom: 20%; }
.floating-card-b > span { width: 27px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--success); }

.trust-bar { border-bottom: 1px solid var(--line); background: white; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { display: flex; align-items: center; gap: 13px; min-height: 96px; padding: 18px 25px; border-right: 1px solid var(--line); }
.trust-grid > div:last-child { border: 0; }
.trust-icon { width: 40px; aspect-ratio: 1; display: grid; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--sky); color: var(--navy-700); font-weight: 900; }
.trust-grid p { margin: 0; line-height: 1.25; }
.trust-grid b, .trust-grid small { display: block; }
.trust-grid small { margin-top: 4px; color: var(--muted); font-size: 11px; }

.section { padding: 100px 0; }
.section-kicker { color: var(--blue); }
.section-kicker.light { color: var(--gold); }
.section h2 { margin: 15px 0 20px; color: var(--navy-950); font-size: clamp(34px, 4vw, 50px); letter-spacing: -.035em; }
.section-copy > p { color: var(--muted); font-size: 17px; }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.insight-box { display: flex; gap: 14px; margin-top: 28px; padding: 19px; border-left: 4px solid var(--gold); border-radius: 0 14px 14px 0; background: #fff8e5; }
.insight-box > span { font-size: 25px; }
.insight-box p { margin: 0; color: #4a4434; }
.comparison-card { overflow: hidden; border: 1px solid #d7e2ee; border-radius: var(--radius); background: white; box-shadow: var(--shadow); }
.comparison-head, .comparison-row { display: grid; grid-template-columns: 1fr 34px 1fr; align-items: center; }
.comparison-head { grid-template-columns: 1fr 1fr; padding: 19px 27px; background: var(--navy-900); color: white; font-size: 14px; font-weight: 850; }
.comparison-head span:last-child { color: var(--gold-light); text-align: right; }
.comparison-row { padding: 20px 26px; border-bottom: 1px solid var(--line); font-size: 14px; }
.comparison-row:last-child { border: 0; }
.comparison-row span:first-child { color: #8a5360; }
.comparison-row span:last-child { color: var(--navy-800); font-weight: 750; text-align: right; }
.comparison-row b { color: var(--gold); text-align: center; }

.section-dark { position: relative; overflow: hidden; background: var(--navy-950); color: white; }
.section-dark::before { content: ""; position: absolute; width: 600px; height: 600px; right: -280px; top: -280px; border-radius: 50%; background: radial-gradient(circle, rgba(22,120,218,.3), transparent 70%); }
.section-heading { max-width: 780px; margin-bottom: 54px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading p { color: var(--muted); font-size: 17px; }
.section-dark h2 { color: white; }
.section-dark .section-heading p { color: #aebfd2; }
.curriculum-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.curriculum-card { display: flex; min-height: 190px; padding: 26px; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025)); }
.curriculum-card h3 { margin: 0 0 10px; color: white; font-size: 18px; }
.curriculum-card p { margin: 0; color: #9eb1c6; font-size: 14px; }
.curriculum-note { display: flex; align-items: center; justify-content: center; gap: 13px; margin-top: 30px; color: #cad7e6; text-align: center; }
.curriculum-note span { width: 28px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--gold); color: var(--navy-950); font-weight: 900; }
.curriculum-note p { margin: 0; }

.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.audience-card { padding: 27px; border: 1px solid var(--line); border-radius: 18px; background: white; transition: border-color .2s, transform .2s; }
.audience-card:hover { transform: translateY(-4px); border-color: #9bc7ed; }
.audience-card > span { display: inline-grid; width: 48px; aspect-ratio: 1; place-items: center; border-radius: 14px; background: var(--sky); font-size: 23px; }
.audience-card h3 { margin: 18px 0 8px; color: var(--navy-900); font-size: 18px; }
.audience-card p { margin: 0; color: var(--muted); font-size: 14px; }
.responsibility-note { max-width: 900px; margin: 34px auto 0; padding: 17px 20px; border: 1px solid #d8e2ed; border-radius: 14px; background: var(--surface); color: var(--muted); font-size: 13px; text-align: center; }

.delivery-section { overflow: hidden; background: linear-gradient(135deg, #eef7ff, #fff 60%); }
.delivery-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 90px; }
.delivery-visual { position: relative; display: grid; place-items: center; }
.email-illustration { position: relative; width: min(100%, 420px); min-height: 300px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 44px; border: 1px solid #cbdceb; border-radius: 28px; background: white; box-shadow: var(--shadow); transform: rotate(-2deg); text-align: center; }
.email-icon { width: 74px; aspect-ratio: 1; display: grid; place-items: center; margin-bottom: 18px; border-radius: 50%; background: var(--navy-900); color: var(--gold); font-size: 35px; }
.email-illustration strong { color: var(--navy-900); font-size: 22px; }
.email-illustration small { margin: 5px 0 22px; color: var(--muted); }
.email-line { width: 74%; height: 8px; border-radius: 99px; background: #e3ebf3; }
.email-line.short { width: 48%; margin-top: 10px; }
.email-check { position: absolute; right: 22px; top: 22px; width: 36px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--success); color: white; font-weight: 900; }
.device-badge { position: absolute; right: 3%; bottom: 10%; padding: 12px 18px; border-radius: 99px; background: var(--gold); color: var(--navy-950); box-shadow: 0 12px 30px rgba(3,17,40,.2); font-size: 13px; font-weight: 850; }
.steps-list { display: grid; gap: 0; margin: 30px 0 0; padding: 0; list-style: none; }
.steps-list li { position: relative; display: flex; gap: 17px; padding-bottom: 25px; }
.steps-list li:not(:last-child)::after { content: ""; position: absolute; top: 41px; left: 20px; bottom: 4px; width: 1px; background: #bfd2e4; }
.steps-list li > span { z-index: 1; width: 41px; height: 41px; display: grid; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--navy-900); color: var(--gold); font-weight: 850; }
.steps-list b { color: var(--navy-900); }
.steps-list p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.guarantee-section { padding-block: 60px; background: var(--navy-900); }
.guarantee-card { display: grid; grid-template-columns: 180px 1fr; align-items: center; gap: 40px; padding: 45px 55px; border: 1px solid rgba(246,191,59,.28); border-radius: 28px; background: radial-gradient(circle at 5% 50%, rgba(246,191,59,.13), transparent 32%), #061a36; color: white; }
.guarantee-card h2 { margin: 10px 0 12px; color: white; }
.guarantee-card p { max-width: 760px; margin: 0; color: #b7c8d9; }
.guarantee-seal { width: 150px; aspect-ratio: 1; display: grid; place-content: center; border: 3px solid var(--gold); border-radius: 50%; color: var(--gold); text-align: center; box-shadow: inset 0 0 0 8px rgba(246,191,59,.08); }
.guarantee-seal strong { font-size: 54px; line-height: .9; }
.guarantee-seal span { margin-top: 6px; font-size: 15px; font-weight: 850; letter-spacing: .15em; }
.guarantee-points { display: flex; flex-wrap: wrap; gap: 16px 28px; margin-top: 22px; color: #dce7f2; font-size: 13px; font-weight: 750; }

.offer-section { background: #f2f5f9; }
.offer-card { display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; border-radius: 30px; background: white; box-shadow: var(--shadow); }
.offer-image { position: relative; display: grid; place-items: center; overflow: hidden; padding: 25px; background: radial-gradient(circle, #174f8b, var(--navy-950) 70%); }
.offer-image::after { content: ""; position: absolute; width: 400px; height: 400px; border: 1px solid rgba(246,191,59,.25); border-radius: 50%; }
.offer-image img { position: relative; z-index: 1; width: min(82%, 440px); max-height: 470px; object-fit: contain; filter: drop-shadow(0 25px 25px rgba(0,0,0,.35)); }
.offer-copy { padding: 58px 60px; }
.offer-copy h2 { font-size: 42px; }
.dark-eyebrow { color: var(--blue); }
.dark-eyebrow .dot { background: var(--blue); box-shadow: 0 0 0 6px rgba(22,120,218,.1); }
.offer-copy ul { display: grid; gap: 11px; margin: 26px 0; padding: 0; list-style: none; }
.offer-copy li::before { content: "✓"; display: inline-grid; width: 22px; aspect-ratio: 1; margin-right: 10px; place-items: center; border-radius: 50%; background: #e7f8f0; color: var(--success); font-size: 12px; font-weight: 900; }
.offer-price > span { color: var(--muted); font-size: 13px; }
.offer-price div { display: flex; align-items: baseline; gap: 8px; }
.offer-price sup { font-size: 17px; font-weight: 900; }
.offer-price strong { color: var(--navy-900); font-size: 72px; line-height: 1; letter-spacing: -.07em; }
.button-wide { width: 100%; margin-top: 20px; }
.offer-safe { margin: 14px 0 0; color: var(--muted); font-size: 12px; text-align: center; }

.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro h2 { margin-top: 15px; }
.faq-intro p { color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 23px 0; color: var(--navy-900); font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { width: 30px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--sky); color: var(--blue); font-size: 20px; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -4px 48px 22px 0; color: var(--muted); }

.final-cta { position: relative; overflow: hidden; padding: 100px 0; background: var(--navy-950); color: white; }
.final-cta::before { content: ""; position: absolute; inset: 0; opacity: .12; background: radial-gradient(circle at 50% 0, #4ca4ff, transparent 45%); }
.final-cta-inner { position: relative; max-width: 850px; text-align: center; }
.final-cta h2 { margin: 16px 0; font-size: clamp(38px, 5vw, 58px); letter-spacing: -.04em; }
.final-cta p { max-width: 700px; margin: 0 auto 30px; color: #b6c7d9; font-size: 17px; }
.final-cta small { display: block; margin-top: 16px; color: #8fa5bd; }

.site-footer { padding: 65px 0 28px; background: #020b19; color: #9db0c4; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .7fr 1fr; gap: 70px; }
.footer-brand { color: white; }
.footer-grid p { max-width: 420px; font-size: 13px; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; gap: 9px; font-size: 13px; }
.footer-grid b { margin-bottom: 5px; color: white; }
.footer-grid a:not(.brand):hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 45px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.09); font-size: 11px; }
.mobile-buy { display: none; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal-delay { transition-delay: .12s; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } .book-mockup { animation: none; } }

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .main-nav { position: absolute; top: 76px; right: 20px; left: 20px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: #071a34; box-shadow: var(--shadow); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 13px; }
  .main-nav .nav-cta { margin-top: 8px; text-align: center; }
  .hero-grid, .split-grid, .delivery-grid, .offer-card, .faq-layout { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-inline: auto; }
  .hero-points { width: fit-content; margin-inline: auto; text-align: left; }
  .hero-offer { justify-content: center; }
  .hero-visual { min-height: 520px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid > div:nth-child(2) { border-right: 0; }
  .trust-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .curriculum-grid, .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .delivery-visual { max-width: 500px; margin: auto; }
  .guarantee-card { grid-template-columns: 150px 1fr; padding: 40px; }
  .offer-image { min-height: 560px; }
  .faq-intro { position: static; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 72px 0; }
  h1 { font-size: 42px; }
  .hero { padding: 52px 0 34px; }
  .hero-lead { font-size: 16px; }
  .hero-offer { flex-direction: column; gap: 14px; }
  .price-block { text-align: center; }
  .hero-offer .button { width: 100%; }
  .hero-visual { min-height: 390px; }
  .floating-card-a { left: 0; top: 11%; }
  .floating-card-b { right: 0; bottom: 10%; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid > div { min-height: 78px; border-right: 0; border-bottom: 1px solid var(--line); }
  .curriculum-grid, .audience-grid { grid-template-columns: 1fr; }
  .curriculum-card { min-height: auto; }
  .comparison-row { padding: 17px 15px; font-size: 12px; }
  .guarantee-card { grid-template-columns: 1fr; padding: 34px 24px; text-align: center; }
  .guarantee-seal { margin: auto; }
  .guarantee-points { justify-content: center; }
  .offer-image { min-height: auto; }
  .offer-copy { padding: 38px 24px; }
  .offer-copy h2 { font-size: 34px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
  .mobile-buy { position: fixed; z-index: 90; right: 10px; bottom: 10px; left: 10px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 15px; border: 1px solid rgba(255,255,255,.22); border-radius: 14px; background: rgba(3,17,40,.94); color: white; box-shadow: 0 16px 40px rgba(0,0,0,.3); backdrop-filter: blur(14px); }
  .mobile-buy span { color: #b8c7d8; font-size: 11px; }
  .mobile-buy span b { display: block; color: var(--gold); font-size: 16px; }
  .mobile-buy > strong { color: white; font-size: 12px; }
  .site-footer { padding-bottom: 100px; }
}
