:root {
  color-scheme: light;
  --canvas: #f7fbfc;
  --surface: #ffffff;
  --ink: #16252b;
  --muted: #66777d;
  --border: #d7e5e8;
  --cyan: #08afd4;
  --cyan-dark: #087e9d;
  --navy: #113d4b;
  --coral: #ff6757;
  --yellow: #ffd86e;
  --mint: #dff5ee;
  --shadow: 0 22px 60px rgba(17, 61, 75, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--cyan-dark); font-weight: 750; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; background: var(--ink); color: white; padding: 12px 18px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header { max-width: 1200px; height: 78px; margin: auto; display: flex; align-items: center; justify-content: space-between; padding: 0 28px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); font-size: 19px; font-weight: 900; text-decoration: none; }
.brand img { width: 38px; height: 38px; border-radius: 10px; box-shadow: 0 6px 18px rgba(8, 126, 157, 0.17); }
nav { display: flex; align-items: center; gap: 28px; }
nav a { color: var(--ink); font-size: 14px; text-decoration: none; }
nav a:hover { color: var(--cyan-dark); }
.nav-support { border: 1px solid var(--border); border-radius: 999px; padding: 10px 17px; background: var(--surface); }

.hero { min-height: 740px; display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 42px; max-width: 1240px; margin: auto; padding: 80px 48px 100px; position: relative; overflow: hidden; }
.hero::before { content: ""; width: 540px; height: 540px; position: absolute; right: -220px; top: -130px; background: radial-gradient(circle, rgba(8,175,212,.14), transparent 68%); pointer-events: none; }
.eyebrow { margin: 0 0 18px; color: var(--cyan-dark); font-size: 12px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; display: flex; align-items: center; gap: 9px; }
.eyebrow span { display: inline-block; width: 22px; height: 3px; border-radius: 3px; background: var(--coral); }
.hero h1 { max-width: 700px; margin: 0; font-size: clamp(52px, 6.4vw, 86px); line-height: .99; letter-spacing: -.055em; }
.hero h1 em { color: var(--cyan-dark); font-style: normal; }
.lede { max-width: 650px; margin: 28px 0; color: var(--muted); font-size: clamp(18px, 2vw, 23px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 23px; border-radius: 12px; text-decoration: none; font-size: 15px; font-weight: 900; }
.button.primary { background: var(--cyan-dark); color: white; box-shadow: 0 10px 24px rgba(8,126,157,.2); }
.button.secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--border); }
.button:hover { transform: translateY(-1px); }
.trust-list { display: flex; flex-wrap: wrap; gap: 24px; padding: 0; margin: 30px 0 0; list-style: none; color: var(--muted); font-size: 13px; font-weight: 750; }
.trust-list li::before { content: "✓"; color: var(--cyan-dark); margin-right: 7px; font-weight: 950; }

.hero-visual { min-height: 570px; position: relative; display: grid; place-items: center; }
.orbit { position: absolute; border-radius: 50%; }
.orbit-one { width: 480px; height: 480px; background: linear-gradient(145deg, #d7f6fb, #eef9fa); }
.orbit-two { width: 380px; height: 380px; border: 1px dashed rgba(8,126,157,.35); }
.phone-card { width: 292px; height: 548px; position: relative; z-index: 2; padding: 13px; border: 8px solid var(--ink); border-radius: 40px; background: #f4f8f9; box-shadow: var(--shadow); transform: rotate(2.5deg); }
.phone-top { height: 30px; display: flex; align-items: center; justify-content: space-between; padding: 0 12px; font-size: 10px; font-weight: 900; }
.phone-pill { width: 65px; height: 18px; margin-right: 78px; border-radius: 20px; background: var(--ink); }
.pack-cover { padding: 19px; border-radius: 23px; background: linear-gradient(145deg, #cfeff5, #ecf8fa); }
.mini-camera { width: 47px; height: 37px; display: grid; place-items: center; border-radius: 10px; background: var(--cyan); }
.mini-camera span { width: 18px; height: 18px; border: 4px solid white; border-radius: 50%; }
.pack-cover p { margin: 19px 0 3px; color: var(--cyan-dark); font-size: 10px; font-weight: 900; text-transform: uppercase; }
.pack-cover h2 { margin: 0 0 14px; font-size: 25px; letter-spacing: -.03em; }
.verified { display: inline-block; padding: 6px 9px; border-radius: 7px; background: var(--mint); color: #24715d; font-size: 9px; font-weight: 900; }
.pack-tabs { display: flex; gap: 16px; padding: 18px 9px 10px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: 10px; }
.pack-tabs b { color: var(--cyan-dark); }
.summary-lines { display: grid; gap: 8px; padding: 17px 9px 13px; }
.summary-lines i, .fake-copy i { display: block; height: 6px; border-radius: 5px; background: #cbdadd; }
.summary-lines i:nth-child(2) { width: 88%; }.summary-lines i:nth-child(3) { width: 94%; }.summary-lines i:nth-child(4) { width: 65%; }
.term-card { display: flex; flex-direction: column; gap: 6px; margin: 5px 7px; padding: 14px; border: 1px solid var(--border); border-radius: 12px; background: white; font-size: 11px; }
.term-card span { color: var(--cyan-dark); font-size: 8px; font-weight: 850; }
.floating-card { position: absolute; z-index: 3; display: flex; flex-direction: column; padding: 14px 18px; border: 1px solid rgba(8,126,157,.15); border-radius: 14px; background: rgba(255,255,255,.94); box-shadow: 0 13px 34px rgba(17,61,75,.12); }
.floating-card b { font-size: 23px; }.floating-card span { color: var(--muted); font-size: 10px; font-weight: 800; }
.float-left { left: 0; bottom: 115px; transform: rotate(-5deg); }.float-right { right: -5px; top: 100px; transform: rotate(5deg); }

.proof-strip { display: flex; align-items: center; justify-content: center; gap: 34px; padding: 23px 30px; background: var(--navy); color: white; }
.proof-strip p { margin: 0; color: #93c7d3; font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.proof-strip ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; margin: 0; padding: 0; list-style: none; font-size: 14px; font-weight: 850; }
.proof-strip li::before { content: "✦"; margin-right: 9px; color: var(--yellow); }

.section { max-width: 1200px; margin: auto; padding: 120px 30px; }
.section-heading { max-width: 690px; margin-bottom: 52px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading h2, .feature-copy h2, .privacy-section h2, .cta h2 { margin: 0; font-size: clamp(38px, 5vw, 59px); line-height: 1.08; letter-spacing: -.045em; }
.section-heading > p:last-child { color: var(--muted); font-size: 18px; line-height: 1.6; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps article { min-height: 330px; position: relative; padding: 30px; overflow: hidden; border: 1px solid var(--border); border-radius: 22px; background: var(--surface); }
.steps article::after { content: ""; position: absolute; width: 150px; height: 150px; right: -70px; bottom: -70px; border-radius: 50%; background: #eaf7f9; }
.steps article > strong { color: var(--coral); font-size: 12px; letter-spacing: .12em; }
.steps h3, .tool-grid h3, .privacy-grid h3 { margin: 20px 0 9px; font-size: 22px; }
.steps p, .tool-grid p, .privacy-grid p { margin: 0; color: var(--muted); line-height: 1.65; }
.step-icon { width: 66px; height: 66px; position: relative; display: grid; place-items: center; margin-top: 42px; border-radius: 18px; background: #e2f6f9; color: var(--cyan-dark); font-size: 31px; font-weight: 900; }
.camera-icon::before { content: ""; width: 30px; height: 22px; border: 4px solid var(--cyan-dark); border-radius: 6px; }
.camera-icon::after { content: ""; position: absolute; left: 26px; top: 24px; width: 8px; height: 8px; border: 3px solid var(--cyan-dark); border-radius: 50%; }
.spark-icon { background: #fff2d2; color: #c48700; }.check-icon { background: var(--mint); color: #24715d; }

.feature-band { display: grid; grid-template-columns: 1fr 1fr; min-height: 720px; background: var(--navy); color: white; }
.group-visual { min-height: 600px; display: grid; place-items: center; padding: 80px 50px; background: radial-gradient(circle at 40% 45%, #16657a, transparent 58%); }
.group-window { width: min(470px, 100%); padding: 20px; border: 1px solid rgba(255,255,255,.14); border-radius: 25px; background: #f4f9fa; color: var(--ink); box-shadow: 0 24px 70px rgba(0,0,0,.24); transform: rotate(-1.5deg); }
.group-title { display: flex; align-items: center; gap: 15px; padding: 6px 4px 18px; border-bottom: 1px solid var(--border); }
.people-icon { width: 50px; height: 50px; display: grid; place-items: center; overflow: hidden; border-radius: 14px; background: var(--cyan); color: white; font-size: 10px; letter-spacing: -3px; }
.group-title div, .shared-pack div { display: flex; flex-direction: column; gap: 4px; }.group-title small, .shared-pack small { color: var(--muted); }
.shared-pack { display: flex; align-items: center; gap: 15px; margin: 17px 0; padding: 16px; border: 1px solid var(--border); border-radius: 15px; background: white; }.shared-pack > span { font-size: 28px; }
.message { width: 83%; display: flex; flex-direction: column; gap: 5px; margin: 10px 0; padding: 13px 16px; border-radius: 15px 15px 15px 3px; background: #e3f2f5; font-size: 13px; }.message b { color: var(--cyan-dark); font-size: 10px; }.message-b { margin-left: auto; border-radius: 15px 15px 3px 15px; background: #ffebc1; }
.feature-copy { max-width: 650px; align-self: center; padding: 90px 70px 90px 40px; }
.eyebrow.light { color: #8bd5e5; }
.feature-copy > p:not(.eyebrow) { margin: 28px 0; color: #bdd7dd; font-size: 18px; line-height: 1.7; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 15px 22px; padding: 0; list-style: none; color: #ecf7f9; font-weight: 750; }
.check-list li::before { content: "✓"; margin-right: 9px; color: var(--yellow); }

.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tool-grid article { min-height: 440px; padding: 30px; border-radius: 23px; overflow: hidden; }
.tool-grid article > span { font-size: 11px; font-weight: 950; letter-spacing: .12em; }
.tool-summary { background: #e3f5f8; }.tool-card { background: #fff0cf; }.tool-quiz { background: #dff4ec; }
.fake-copy { display: grid; gap: 12px; margin-top: 55px; padding: 28px; border-radius: 18px; background: white; transform: rotate(-2deg); box-shadow: 0 12px 30px rgba(17,61,75,.1); }
.fake-copy i:nth-child(2) { width: 75%; }.fake-copy i:nth-child(3) { width: 90%; }
.flashcard-demo { min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; margin-top: 35px; padding: 24px; border-radius: 18px; background: white; box-shadow: 0 12px 30px rgba(90,66,11,.1); transform: rotate(2deg); }.flashcard-demo small { color: #b47a00; font-weight: 900; }.flashcard-demo b { font-size: 19px; line-height: 1.4; }.flashcard-demo em { color: var(--muted); font-size: 11px; font-style: normal; }
.score-demo { min-height: 180px; display: flex; flex-direction: column; align-items: center; justify-content: center; margin-top: 35px; border-radius: 50%; background: white; box-shadow: 0 12px 30px rgba(23,90,70,.1); }.score-demo b { color: #24715d; font-size: 50px; }.score-demo span { color: var(--muted); font-size: 12px; font-weight: 800; }

.privacy-section { max-width: 1200px; margin: 0 auto 120px; padding: 70px; border-radius: 32px; background: white; border: 1px solid var(--border); }
.privacy-section > div:first-child { max-width: 800px; }
.privacy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 60px; background: var(--border); }
.privacy-grid article { padding: 30px; background: white; }
.privacy-grid article > span { color: var(--coral); font-size: 11px; font-weight: 950; }
.policy-links { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 35px; }

.launch-section { max-width: 1200px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 70px; margin: 0 auto 32px; padding: 78px 70px; border-radius: 32px; background: #e4f6f9; }
.launch-copy h2, .founder-copy h2 { margin: 0; font-size: clamp(36px, 4.6vw, 55px); line-height: 1.08; letter-spacing: -.045em; }
.launch-copy > p:last-child, .founder-copy > p:not(.eyebrow) { color: var(--muted); font-size: 17px; line-height: 1.7; }
.store-badges { display: grid; gap: 13px; }
.store-badge { min-height: 78px; display: flex; align-items: center; gap: 16px; padding: 13px 21px; border-radius: 17px; background: var(--ink); color: white; box-shadow: 0 14px 35px rgba(17,61,75,.16); }
.store-badge > span:last-child { display: flex; flex-direction: column; }.store-badge small { color: #cbdadd; font-size: 11px; }.store-badge b { font-size: 22px; line-height: 1.15; }
.store-mark { width: 40px; height: 40px; display: grid; place-items: center; flex: 0 0 40px; color: white; font-size: 24px; }.apple-mark { border-radius: 50% 50% 48% 48%; background: white; color: var(--ink); font-size: 16px; }.play-mark { color: var(--cyan); }

.founder-section { max-width: 1200px; display: grid; grid-template-columns: .55fr 1.45fr; align-items: center; gap: 80px; margin: 0 auto 90px; padding: 95px 70px; }
.founder-mark { width: min(300px, 100%); aspect-ratio: 1; display: grid; place-items: center; position: relative; border-radius: 50%; background: linear-gradient(145deg, var(--cyan), var(--cyan-dark)); box-shadow: var(--shadow); }
.founder-mark::before, .founder-mark::after { content: ""; position: absolute; border: 2px solid rgba(255,255,255,.3); border-radius: 50%; }.founder-mark::before { inset: 11%; }.founder-mark::after { inset: 24%; }
.founder-mark span { position: relative; z-index: 1; color: white; font-size: clamp(70px, 10vw, 120px); font-weight: 950; letter-spacing: -.08em; }
.founder-copy { max-width: 700px; }.founder-copy > p:not(.eyebrow) { margin-bottom: 0; }

.cta { max-width: 1200px; min-height: 320px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; margin: 0 auto 90px; padding: 55px; border-radius: 28px; background: linear-gradient(130deg, #087e9d, #08a9ca); color: white; overflow: hidden; }
.cta > img { width: 112px; height: 112px; border-radius: 25px; box-shadow: 0 18px 40px rgba(0,0,0,.18); transform: rotate(-5deg); }
.cta h2 { font-size: clamp(29px, 3.8vw, 47px); }
.light-button { background: white; color: var(--cyan-dark); white-space: nowrap; }

footer { max-width: 1200px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin: auto; padding: 30px 30px 50px; }
.footer-brand p { color: var(--muted); }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.footer-links div { display: flex; flex-direction: column; gap: 11px; }.footer-links b { margin-bottom: 5px; }.footer-links a { color: var(--muted); font-size: 13px; text-decoration: none; }
.copyright { grid-column: 1 / -1; margin: 20px 0 0; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; line-height: 1.6; }

.legal { max-width: 780px; margin: 50px auto 90px; padding: 0 26px; }
.legal h1 { margin: 50px 0 5px; font-size: clamp(38px, 6vw, 54px); letter-spacing: -.04em; }
.legal h2 { margin-top: 34px; font-size: 21px; }.legal p, .legal li { color: var(--muted); line-height: 1.72; }.muted { color: var(--muted); }
body > header:not(.site-header) { max-width: 1200px; height: 78px; display: flex; align-items: center; margin: auto; padding: 0 28px; border-bottom: 1px solid var(--border); }

@media (max-width: 960px) {
  nav a:not(.nav-support) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 70px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }.hero .eyebrow { justify-content: center; }
  .hero-visual { min-height: 600px; width: min(600px, 100%); margin: auto; }
  .steps, .tool-grid { grid-template-columns: 1fr; }.steps article { min-height: 280px; }
  .feature-band { grid-template-columns: 1fr; }.group-visual { order: 2; }.feature-copy { padding: 90px 45px 40px; }
  .launch-section { grid-template-columns: 1fr; gap: 35px; }
  .founder-section { grid-template-columns: .6fr 1.4fr; gap: 45px; }
  .cta { grid-template-columns: auto 1fr; }.cta .button { grid-column: 2; justify-self: start; }
}

@media (max-width: 650px) {
  .site-header { height: 68px; padding: 0 18px; }.brand { font-size: 17px; }.brand img { width: 34px; height: 34px; }.nav-support { padding: 8px 12px; }
  .hero { min-height: auto; padding: 70px 22px 80px; }.hero h1 { font-size: clamp(45px, 15vw, 66px); }.lede { font-size: 18px; }.hero-actions { width: 100%; }.hero-actions .button { width: 100%; }
  .trust-list { flex-direction: column; gap: 10px; align-items: flex-start; }.hero-visual { min-height: 500px; transform: scale(.88); margin: -20px auto; }.float-left { left: -30px; }.float-right { right: -30px; }
  .proof-strip { align-items: flex-start; flex-direction: column; gap: 15px; }.proof-strip ul { justify-content: flex-start; gap: 12px 22px; }
  .section { padding: 90px 18px; }.section-heading h2, .feature-copy h2, .privacy-section h2 { font-size: 39px; }.section-heading { margin-bottom: 35px; }
  .feature-copy { padding: 75px 23px 30px; }.check-list { grid-template-columns: 1fr; }.group-visual { min-height: 500px; padding: 50px 17px; }
  .privacy-section { margin: 0 15px 90px; padding: 45px 22px; }.privacy-grid { grid-template-columns: 1fr; margin-top: 40px; }
  .launch-section { margin: 0 15px 30px; padding: 48px 24px; }.launch-copy h2, .founder-copy h2 { font-size: 38px; }
  .founder-section { grid-template-columns: 1fr; gap: 38px; margin-bottom: 65px; padding: 65px 24px; }.founder-mark { width: 170px; }.founder-mark span { font-size: 76px; }
  .cta { grid-template-columns: 1fr; margin: 0 15px 70px; padding: 38px 25px; }.cta > img { width: 84px; height: 84px; }.cta .button { grid-column: 1; justify-self: stretch; }
  footer { grid-template-columns: 1fr; padding-inline: 22px; }.footer-links { gap: 18px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button:hover { transform: none; } }