:root {
  --ink: #0a1d31;
  --navy: #071d38;
  --blue: #0a67b2;
  --sky: #4db3e6;
  --pale: #eaf6fc;
  --paper: #f7fbfd;
  --white: #fff;
  --orange: #f59a23;
  --green: #119a68;
  --muted: #5d6c7b;
  --line: rgba(10, 29, 49, .12);
  --shadow: 0 24px 70px rgba(6, 28, 51, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, select { font: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: -80px; padding: 10px 16px; color: var(--white); background: var(--navy); border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; z-index: 50; top: 0; color: var(--white); background: rgba(7, 29, 56, .94); border-bottom: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(18px); }
.nav-shell { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand img { border-radius: 12px; box-shadow: 0 6px 18px rgba(0,0,0,.18); }
.brand span { display: flex; align-items: baseline; gap: 5px; letter-spacing: -.03em; font-size: 1.17rem; }
.brand strong { font-weight: 800; }
.brand em { color: #72c9ef; font-style: normal; font-weight: 700; }
.site-nav { display: flex; align-items: center; gap: 24px; font-size: .91rem; font-weight: 650; }
.site-nav > a:not(.nav-cta) { color: rgba(255,255,255,.8); }
.site-nav > a:hover { color: var(--white); }
.nav-cta { padding: 10px 18px; color: var(--navy); background: var(--white); border-radius: 99px; }
.language-picker select { width: 104px; padding: 9px 25px 9px 11px; color: var(--white); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22); border-radius: 9px; cursor: pointer; }
.language-picker option { color: var(--ink); }
.site-switcher { position: relative; }
.site-switcher summary { color: rgba(255,255,255,.8); cursor: pointer; list-style: none; }
.site-switcher summary::-webkit-details-marker { display: none; }
.site-switcher summary::after { display: inline-block; margin-left: 6px; content: "⌄"; transform: translateY(-1px); }
.site-switcher[open] summary, .site-switcher summary:hover { color: white; }
.site-switcher-menu { position: absolute; z-index: 70; top: calc(100% + 18px); right: 0; width: 255px; overflow: hidden; padding: 8px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 20px 48px rgba(0,0,0,.24); }
.site-switcher-menu a { display: flex; flex-direction: column; padding: 11px 12px; border-radius: 9px; }
.site-switcher-menu a:hover { background: var(--pale); }
.site-switcher-menu strong { font-size: .85rem; }
.site-switcher-menu span { color: var(--muted); font-size: .7rem; font-weight: 500; }
.menu-button { display: none; width: 42px; height: 42px; padding: 10px; background: transparent; border: 1px solid rgba(255,255,255,.2); border-radius: 9px; }
.menu-button > span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: white; }

.hero { position: relative; overflow: hidden; color: var(--white); background: radial-gradient(circle at 76% 28%, rgba(47,157,215,.35), transparent 26%), linear-gradient(135deg, #071d38 0%, #063c6c 62%, #0d6aa8 100%); }
.hero::after { position: absolute; right: -12%; bottom: -180px; width: 750px; height: 420px; border: 80px solid rgba(255,255,255,.045); border-radius: 50%; content: ""; transform: rotate(-8deg); }
.hero-grid { position: absolute; inset: 0; opacity: .08; background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px); background-size: 68px 68px; mask-image: linear-gradient(to right, black, transparent 80%); }
.hero-layout { position: relative; z-index: 2; min-height: 720px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 75px; padding-top: 62px; padding-bottom: 72px; }
.eyebrow { margin: 0 0 18px; color: #82d6fa; font-size: .76rem; font-weight: 850; letter-spacing: .17em; }
.eyebrow.dark { color: var(--blue); }
.hero h1, .section-heading h2, .subjects-copy h2, .language-copy h2, .access-card h2, .download-copy h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.045em; line-height: 1.02; }
.hero h1 { max-width: 690px; font-size: clamp(3.2rem, 6vw, 5.65rem); }
.hero-lead { max-width: 655px; margin: 26px 0 30px; color: rgba(255,255,255,.78); font-size: clamp(1rem, 1.5vw, 1.17rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.store-button { min-width: 190px; display: inline-flex; align-items: center; gap: 11px; padding: 10px 18px; color: var(--white); background: #06101b; border: 1px solid rgba(255,255,255,.24); border-radius: 12px; box-shadow: 0 10px 28px rgba(0,0,0,.18); transition: transform .2s, box-shadow .2s; }
.store-button:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(0,0,0,.28); }
.store-button small, .store-button strong { display: block; line-height: 1.15; }
.store-button small { margin-bottom: 2px; font-size: .66rem; }
.store-button strong { font-size: 1.05rem; }
.store-mark { width: 28px; font-size: 2rem; line-height: 1; text-align: center; }
.play-mark { width: 28px; height: 31px; display: inline-block; background: linear-gradient(135deg, #24d3ff 0 48%, #1ee1a3 48% 61%, #ffd34b 61% 77%, #ff5964 77%); clip-path: polygon(0 0, 100% 50%, 0 100%); }
.hero-proof { max-width: 650px; display: flex; flex-wrap: wrap; gap: 16px 24px; margin-top: 30px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); }
.hero-proof span { display: flex; flex-direction: column; }
.hero-proof b { font-size: 1rem; }
.hero-proof i { color: rgba(255,255,255,.62); font-size: .75rem; font-style: normal; }

.phone-stage { position: relative; min-height: 590px; display: grid; place-items: center; }
.phone { position: relative; z-index: 3; width: 320px; padding: 11px 18px 28px; color: var(--ink); background: #f7fbfe; border: 8px solid #06182c; border-radius: 43px; box-shadow: 0 42px 85px rgba(0,0,0,.38); transform: rotate(2.5deg); }
.phone-bar { height: 30px; display: flex; align-items: center; justify-content: space-between; font-size: .62rem; font-weight: 750; }
.phone-island { position: absolute; left: 50%; top: 10px; width: 86px; height: 21px; background: #06101b; border-radius: 20px; transform: translateX(-50%); }
.app-head { display: flex; align-items: center; gap: 11px; padding: 10px 0 15px; }
.app-head img { border-radius: 12px; }
.app-head span { display: flex; flex-direction: column; }
.app-head b { font-size: .96rem; }
.app-head small { color: var(--muted); font-size: .67rem; }
.progress-line { height: 6px; background: #dcecf5; border-radius: 8px; overflow: hidden; }
.progress-line span { width: 36%; height: 100%; display: block; background: linear-gradient(90deg, var(--blue), var(--sky)); }
.question-count { padding: 12px 0 7px; color: var(--blue); font-size: .67rem; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.question-card { padding: 17px; background: white; border: 1px solid #dceaf2; border-radius: 18px; box-shadow: 0 10px 28px rgba(10,50,84,.08); }
.question-tag { color: var(--blue); font-size: .57rem; font-weight: 850; letter-spacing: .12em; }
.question-card h2 { min-height: 68px; margin: 8px 0 15px; font-family: Georgia, serif; font-size: 1.1rem; line-height: 1.18; }
.question-card button { width: 100%; min-height: 43px; display: flex; align-items: center; gap: 8px; margin: 8px 0; padding: 8px 10px; color: #425568; text-align: left; background: #f6fafc; border: 1px solid #dbe8ef; border-radius: 10px; font-size: .67rem; }
.question-card button.selected { color: #075239; background: #e5f8f0; border-color: #56c59d; font-weight: 700; }
.question-card button.selected span:first-child { width: 22px; height: 22px; display: grid; place-items: center; color: white; background: var(--green); border-radius: 50%; }
.answer-note { display: flex; flex-direction: column; gap: 4px; margin-top: 12px; padding: 12px; color: #245444; background: #e5f8f0; border-radius: 11px; font-size: .65rem; }
.route { position: absolute; z-index: 1; width: 460px; height: 460px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; }
.route-two { width: 570px; height: 570px; border-style: dashed; }
.floating-card { position: absolute; z-index: 5; min-width: 112px; padding: 13px 17px; color: var(--ink); background: rgba(255,255,255,.94); border-radius: 13px; box-shadow: 0 18px 38px rgba(0,0,0,.22); }
.floating-card b, .floating-card span { display: block; }
.floating-card b { color: var(--blue); font-size: 1.45rem; line-height: 1.1; }
.floating-card span { color: var(--muted); font-size: .65rem; }
.float-score { right: 4%; top: 18%; transform: rotate(-3deg); }
.float-review { left: 0; bottom: 18%; transform: rotate(2deg); }

.source-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.source-inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.source-inner p { color: var(--muted); font-size: .85rem; }
.source-inner div { display: flex; flex-wrap: wrap; gap: 14px; }
.source-inner a { padding: 9px 13px; color: #124a75; background: #eff7fb; border: 1px solid #d9eaf4; border-radius: 9px; font-size: .82rem; font-weight: 700; }
.source-inner a span { color: var(--sky); }

.section { padding: 110px 0; }
.section-heading { max-width: 720px; margin-bottom: 48px; }
.section-heading h2, .subjects-copy h2, .language-copy h2, .access-card h2, .download-copy h2 { font-size: clamp(2.5rem, 5vw, 4.45rem); }
.section-heading > p:last-child, .subjects-copy > p, .language-copy > p, .access-card > div > p:last-child, .download-copy > p { max-width: 650px; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card { min-height: 330px; position: relative; overflow: hidden; display: flex; flex-direction: column; padding: 28px; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 14px 36px rgba(10,39,67,.06); }
.feature-card::after { position: absolute; right: -35px; bottom: -50px; width: 130px; height: 130px; background: rgba(75,178,229,.08); border-radius: 50%; content: ""; }
.feature-primary { color: white; background: linear-gradient(150deg, #0a5f9f, #07365f); }
.feature-primary p { color: rgba(255,255,255,.72) !important; }
.feature-number { color: #90a5b6; font-size: .7rem; font-weight: 800; letter-spacing: .12em; }
.feature-icon { width: 66px; height: 66px; display: grid; place-items: center; margin: 34px 0 28px; color: var(--blue); background: var(--pale); border-radius: 18px; font-size: 1.75rem; font-weight: 800; }
.feature-primary .feature-icon { color: #0b5d99; background: white; }
.icon-abc { display: flex; justify-content: center; gap: 2px; font-size: 1rem; }
.icon-abc i, .icon-abc em { font-style: normal; }
.icon-abc i { color: var(--green); }.icon-abc em { color: var(--orange); }
.feature-card h3 { margin: auto 0 8px; font-size: 1.15rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: .86rem; }

.subjects-section { color: white; background: var(--navy); }
.subjects-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: center; }
.subjects-copy p:not(.eyebrow) { color: rgba(255,255,255,.68); }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 20px; color: var(--blue); font-weight: 750; }
.text-link.light { color: #78d0f4; }
.subject-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 35px; }
.subject-list div { min-height: 76px; display: flex; align-items: center; gap: 20px; border-bottom: 1px solid rgba(255,255,255,.12); }
.subject-list span { color: #6cc8ed; font-size: .68rem; }
.subject-list b { font-size: .98rem; }

.language-section { background: var(--white); }
.language-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.language-visual { position: relative; min-height: 480px; display: grid; place-items: center; }
.language-core { position: relative; z-index: 3; padding: 17px; background: white; border-radius: 34px; box-shadow: var(--shadow); }
.language-core img { border-radius: 24px; }
.language-orbit { position: absolute; border: 1px solid #cae4f1; border-radius: 50%; }
.language-orbit span { position: absolute; display: grid; place-items: center; color: #12537e; background: #eaf7fc; border: 5px solid white; border-radius: 50%; box-shadow: 0 10px 25px rgba(10,67,103,.12); font-weight: 800; }
.orbit-one { width: 280px; height: 280px; }.orbit-one span { right: -26px; top: 32px; width: 64px; height: 64px; }
.orbit-two { width: 390px; height: 390px; border-style: dashed; }.orbit-two span { left: 4px; top: 43px; width: 72px; height: 72px; font-size: .85rem; }
.orbit-three { width: 470px; height: 470px; }.orbit-three span { left: 37px; bottom: 36px; width: 64px; height: 64px; }
.orbit-four { width: 350px; height: 350px; border-color: transparent; }.orbit-four span { right: -37px; bottom: 7px; width: 65px; height: 65px; }
.language-pills { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.language-pills span { padding: 9px 14px; color: #13517b; background: var(--pale); border-radius: 99px; font-size: .82rem; font-weight: 750; }
.small-note { font-size: .78rem; }

.access-section { padding-top: 25px; background: white; }
.access-card { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; padding: 64px 70px; color: white; background: linear-gradient(125deg, #0a4778, #0a73b5); border-radius: 28px; box-shadow: var(--shadow); }
.access-card > div > p:last-child { color: rgba(255,255,255,.72); }
.access-badge { width: 190px; height: 190px; display: grid; align-content: center; justify-items: center; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.3); border-radius: 50%; }
.access-badge strong { font-family: Georgia, serif; font-size: 4.2rem; line-height: 1; }
.access-badge span { color: #9de0fa; font-size: .76rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }

.download-section { position: relative; overflow: hidden; padding: 105px 0; color: white; background: #06182d; }
.download-section::before { position: absolute; inset: -40% auto auto -5%; width: 520px; height: 520px; background: #0d65a1; filter: blur(100px); opacity: .25; border-radius: 50%; content: ""; }
.download-layout { position: relative; display: grid; grid-template-columns: .65fr 1.35fr; align-items: center; gap: 75px; }
.download-icon { justify-self: center; padding: 18px; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.17); border-radius: 45px; transform: rotate(-4deg); }
.download-icon img { border-radius: 32px; box-shadow: 0 28px 60px rgba(0,0,0,.32); }
.download-copy > p { color: rgba(255,255,255,.68); }
.qr-downloads { display: grid; grid-template-columns: repeat(2, minmax(0, 245px)); gap: 14px; margin-top: 24px; }
.qr-card { display: grid; grid-template-columns: 88px 1fr; align-items: center; gap: 14px; padding: 12px; color: #071d38; background: white; border: 1px solid rgba(255,255,255,.42); border-radius: 16px; box-shadow: 0 14px 32px rgba(0,0,0,.18); transition: transform .2s, box-shadow .2s; }
.qr-card:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(0,0,0,.25); }
.qr-card img { width: 88px; height: 88px; border-radius: 6px; }
.qr-card span, .qr-card strong, .qr-card small { display: block; }
.qr-card strong { font-size: .96rem; }
.qr-card small { margin-top: 5px; color: #5a6a79; font-size: .69rem; line-height: 1.35; }

.site-footer { padding: 70px 0 24px; color: rgba(255,255,255,.7); background: #04111f; }
.footer-grid { display: grid; grid-template-columns: 1.55fr repeat(3, 1fr); gap: 60px; }
.footer-brand { color: white; }
.footer-grid > div:first-child p { max-width: 310px; font-size: .82rem; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; gap: 10px; font-size: .82rem; }
.footer-grid > div:not(:first-child) strong { margin-bottom: 5px; color: white; }
.footer-grid a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 58px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: .68rem; }
.footer-bottom span:last-child { max-width: 560px; text-align: right; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .menu-button { display: block; }
  .site-nav { position: absolute; inset: 74px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 15px 20px 22px; background: #071d38; border-top: 1px solid rgba(255,255,255,.1); }
  .site-nav.open { display: flex; }
  .site-nav > a, .language-picker { padding: 12px 0; }
  .site-switcher { padding: 12px 0; }
  .site-switcher-menu { position: static; width: 100%; margin-top: 12px; box-shadow: none; }
  .language-picker select { width: 100%; }
  .nav-cta { margin-top: 8px; text-align: center; }
  .hero-layout { grid-template-columns: 1fr; gap: 35px; }
  .hero-copy { padding-top: 20px; }
  .phone-stage { min-height: 610px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .subjects-layout, .language-layout { grid-template-columns: 1fr; gap: 65px; }
  .language-copy { order: -1; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 28px, 1180px); }
  .hero-layout { min-height: auto; padding: 58px 0 45px; }
  .hero h1 { font-size: 3rem; }
  .hero-proof { gap: 14px; }
  .phone-stage { min-height: 535px; transform: scale(.88); margin: -30px -20px; }
  .float-score { right: -2%; }.float-review { left: -3%; }
  .source-inner { align-items: flex-start; flex-direction: column; padding: 24px 0; gap: 5px; }
  .section { padding: 78px 0; }
  .section-heading h2, .subjects-copy h2, .language-copy h2, .access-card h2, .download-copy h2 { font-size: 2.6rem; }
  .feature-grid, .subject-list { grid-template-columns: 1fr; }
  .feature-card { min-height: 280px; }
  .language-visual { min-height: 380px; transform: scale(.78); margin: -45px; }
  .access-card { grid-template-columns: 1fr; padding: 42px 28px; }
  .access-badge { width: 150px; height: 150px; }
  .download-layout { grid-template-columns: 1fr; text-align: center; }
  .download-icon img { width: 150px; }
  .download-copy .hero-actions { justify-content: center; }
  .qr-downloads { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px 25px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .footer-bottom span:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

.simple-nav { display: flex; align-items: center; gap: 22px; font-size: .86rem; font-weight: 700; }
.simple-nav a { color: rgba(255,255,255,.8); }
.simple-nav a:hover { color: white; }
.info-main { min-height: 70vh; padding: 90px 0; background: var(--paper); }
.info-shell { max-width: 900px; }
.info-shell > h1 { margin: 0 0 18px; font: 500 clamp(3rem, 7vw, 5.25rem)/1 Georgia, serif; letter-spacing: -.045em; }
.info-lead { max-width: 720px; color: var(--muted); font-size: 1.08rem; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 42px 0; }
.contact-card { display: flex; flex-direction: column; padding: 28px; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 12px 30px rgba(10,39,67,.06); }
.contact-card > span { color: var(--blue); font-size: .69rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.contact-card strong { margin: 12px 0 4px; font-size: 1.25rem; }
.contact-card small { color: var(--muted); }
.info-section { margin-top: 50px; padding-top: 35px; border-top: 1px solid var(--line); }
.info-section h2, .legal-copy h2 { margin: 0 0 15px; font: 500 1.9rem/1.2 Georgia, serif; letter-spacing: -.025em; }
.info-section li, .legal-copy li { margin: 8px 0; }
.info-section p, .legal-copy p, .legal-copy li { color: #45596b; }
.faq-list details { margin: 12px 0; padding: 17px 20px; background: white; border: 1px solid var(--line); border-radius: 12px; }
.faq-list summary { cursor: pointer; font-weight: 750; }
.faq-list details p { margin-bottom: 0; }
.language-help { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 45px; padding: 22px 25px; color: #0e527f; background: var(--pale); border-radius: 14px; }
.effective-date { margin-top: -8px; color: var(--blue) !important; font-size: .82rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.legal-copy .info-shell { max-width: 820px; }
.legal-copy h2 { margin-top: 44px; }
.legal-copy a { color: #0871b6; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.policy-source { margin-top: 40px; padding: 18px; background: #e9f5fb; border-left: 3px solid var(--sky); }
.compact-footer { padding-top: 10px; }
.not-found { min-height: 100vh; display: grid; place-items: center; text-align: center; }
.not-found main { max-width: 600px; padding: 35px; }
.not-found img { margin: 0 auto 20px; border-radius: 22px; }
.not-found h1 { margin: 0; font: 500 clamp(2.5rem, 8vw, 4.5rem)/1 Georgia, serif; letter-spacing: -.04em; }
.not-found p:not(.eyebrow) { margin-bottom: 30px; color: var(--muted); }

@media (max-width: 640px) {
  .simple-nav { gap: 12px; font-size: .75rem; }
  .simple-nav a:not(:first-child) { display: none; }
  .info-main { padding: 65px 0; }
  .contact-grid { grid-template-columns: 1fr; }
}