:root {
  --green: #376b59;
  --green-dark: #20483a;
  --green-deep: #17362c;
  --mint: #dceae4;
  --mint-soft: #edf5f1;
  --cream: #f7f8f5;
  --amber: #f0b45b;
  --ink: #18211d;
  --muted: #68736d;
  --line: #e5e9e6;
  --white: #ffffff;
  --shadow: 0 28px 80px rgba(30, 61, 49, .12);
  --shadow-soft: 0 18px 55px rgba(30, 61, 49, .08);
  --radius-xl: 38px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --content: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fbfcfa;
  font-family: Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: rgba(24,33,29,.035);
  opacity: 0;
  transition: opacity .25s ease;
}
.site-header.scrolled {
  background: rgba(251, 252, 250, .9);
  backdrop-filter: blur(22px) saturate(1.15);
  box-shadow: 0 8px 28px rgba(24, 33, 29, .035);
}
.site-header.scrolled::after { opacity: 1; }
.nav-wrap {
  width: min(var(--content), calc(100% - 64px));
  height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 34px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; }
.brand-word { font-size: 23px; letter-spacing: -.04em; }
.brand-mark { display: inline-flex; align-items: flex-end; gap: 3px; width: 25px; height: 24px; }
.brand-mark span { display: block; width: 6px; background: var(--green); border-radius: 99px; transform: rotate(12deg); }
.brand-mark span:nth-child(1) { height: 11px; }
.brand-mark span:nth-child(2) { height: 18px; }
.brand-mark span:nth-child(3) { height: 24px; background: var(--amber); }
.nav-links { display: flex; gap: 30px; margin-left: auto; }
.nav-links a { position: relative; font-size: 14px; color: #3c4742; font-weight: 750; transition: color .2s ease; }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  background: var(--green);
  border-radius: 999px;
  transition: right .2s ease;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { right: 0; }
.nav-cta {
  padding: 10px 17px;
  border: 1px solid rgba(55, 107, 89, .16);
  background: rgba(255,255,255,.8);
  border-radius: 999px;
  color: var(--green-dark);
  font-weight: 800;
  font-size: 12px;
  box-shadow: 0 8px 24px rgba(31,72,58,.05);
}

.section-pad { padding: 124px max(32px, calc((100vw - var(--content)) / 2)); }
.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 11px;
  letter-spacing: .18em;
  font-weight: 900;
}

.hero {
  min-height: 920px;
  padding-top: 126px;
  padding-bottom: 92px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 72px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 22%, rgba(220,234,228,.82) 0 16%, transparent 37%),
    radial-gradient(circle at 72% 86%, rgba(240,180,91,.14) 0 10%, transparent 28%),
    linear-gradient(180deg, #fbfcfa 0%, #f7faf7 100%);
}
.hero-copy { position: relative; z-index: 3; max-width: 670px; }
.hero h1,
.feature h2,
.statement h2,
.safe h2,
.principles h2,
.final-cta h2 {
  margin: 0;
  letter-spacing: -.055em;
  line-height: 1.06;
}
.hero h1 { font-size: clamp(66px, 6vw, 96px); font-weight: 900; }
.hero h1 span, .statement h2 span, .safe h2 span { color: var(--green); }
.hero-sub {
  margin: 30px 0 0;
  max-width: 610px;
  color: var(--muted);
  line-height: 1.82;
  font-size: 18px;
  letter-spacing: -.02em;
}
.hero-actions { display: flex; gap: 12px; margin-top: 38px; }
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 0 25px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-primary { color: #fff; background: var(--green); box-shadow: 0 14px 30px rgba(55,107,89,.22); }
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 18px 36px rgba(55,107,89,.24); }
.btn-ghost { background: rgba(255,255,255,.84); border: 1px solid rgba(24,33,29,.09); box-shadow: 0 10px 28px rgba(24,33,29,.035); }
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(55,107,89,.24); }

.hero-visual { min-height: 700px; display: grid; place-items: center; position: relative; }
.hero-visual::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 640px;
  border-radius: 260px;
  background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.25));
  border: 1px solid rgba(55,107,89,.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 30px 80px rgba(31,72,58,.05);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.glow-a { width: 600px; height: 600px; background: #dceae4; right: -210px; top: 8px; opacity: .72; }
.glow-b { width: 290px; height: 290px; background: #f8dfb9; right: 26%; bottom: -14px; opacity: .48; }
.orbit { position: absolute; border: 1px solid rgba(55,107,89,.14); border-radius: 50%; z-index: 2; }
.orbit-one { width: 565px; height: 565px; }
.orbit-two { width: 430px; height: 430px; border-style: dashed; animation: spin 40s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.phone {
  width: 324px;
  height: 652px;
  background: #111714;
  border-radius: 49px;
  padding: 10px;
  box-shadow: 0 44px 100px rgba(24,33,29,.24), 0 12px 28px rgba(24,33,29,.08), inset 0 0 0 1px rgba(255,255,255,.08);
  position: relative;
  z-index: 4;
}
.phone-main { transform: rotate(2.2deg); }
.phone-notch { position: absolute; width: 90px; height: 23px; background: #111714; border-radius: 0 0 15px 15px; top: 10px; left: 50%; transform: translateX(-50%); z-index: 6; }
.screen { width: 100%; height: 100%; border-radius: 40px; overflow: hidden; padding: 42px 21px 21px; }
.child-screen { background: linear-gradient(180deg, #fbfdfb, #edf5f1); }
.screen-head, .parent-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.screen-head div:first-child, .parent-head div:first-child { display: grid; gap: 5px; }
.screen-head small, .parent-head small { color: var(--muted); font-size: 11px; }
.screen-head strong, .parent-head strong { font-size: 16px; letter-spacing: -.03em; }
.mini-avatar { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--mint); color: var(--green); font-weight: 900; }
.time-card { margin-top: 28px; border-radius: 26px; background: var(--green); color: #fff; padding: 22px; box-shadow: 0 18px 36px rgba(55,107,89,.2); }
.time-card > span { font-size: 11px; opacity: .78; }
.time-card b { display: block; margin-top: 7px; font-size: 47px; letter-spacing: -.05em; }
.time-card b small { font-size: 14px; margin-left: 4px; font-weight: 700; opacity: .8; }
.time-bar { margin-top: 16px; height: 7px; border-radius: 999px; background: rgba(255,255,255,.22); overflow: hidden; }
.time-bar i { display: block; width: 66%; height: 100%; background: var(--amber); border-radius: inherit; }
.learn-card { margin-top: 14px; padding: 17px; background: white; border-radius: 22px; display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 10px; box-shadow: 0 10px 25px rgba(24,33,29,.05); }
.learn-icon { width: 40px; height: 40px; border-radius: 13px; display: grid; place-items: center; background: #fff4df; color: #ae711d; font-size: 20px; }
.learn-card div:nth-child(2) { display: grid; gap: 3px; }
.learn-card small { font-size: 10px; color: var(--muted); }
.learn-card strong { font-size: 13px; }
.learn-card > span { color: var(--green); font-weight: 900; font-size: 12px; }
.app-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 9px; margin-top: 22px; }
.app-grid div { display: grid; place-items: center; gap: 5px; }
.app-grid div > span { width: 45px; height: 45px; display: grid; place-items: center; background: white; border-radius: 15px; box-shadow: 0 7px 18px rgba(24,33,29,.04); }
.app-grid small { color: var(--muted); font-size: 9px; }

.floating-chip { position: absolute; z-index: 7; padding: 15px 18px; background: rgba(255,255,255,.9); backdrop-filter: blur(18px); border: 1px solid rgba(255,255,255,.92); box-shadow: var(--shadow); border-radius: 19px; display: grid; gap: 2px; }
.floating-chip b { color: var(--green); font-size: 21px; }
.floating-chip span { color: var(--muted); font-size: 10px; }
.chip-left { left: 2%; top: 24%; transform: rotate(-6deg); }
.chip-right { right: -1%; bottom: 24%; transform: rotate(5deg); }
.scroll-cue { position: absolute; bottom: 25px; left: 50%; transform: translateX(-50%); width: 28px; height: 46px; border: 1px solid rgba(24,33,29,.16); border-radius: 999px; display: flex; justify-content: center; padding-top: 9px; background: rgba(255,255,255,.42); }
.scroll-cue span { width: 4px; height: 8px; background: var(--green); border-radius: 99px; animation: cue 1.7s ease-in-out infinite; }
@keyframes cue { 0%,100% { transform: translateY(0); opacity: .5; } 50% { transform: translateY(13px); opacity: 1; } }

.statement {
  text-align: center;
  background: #fff;
  border-top: 1px solid rgba(24,33,29,.035);
  border-bottom: 1px solid rgba(24,33,29,.035);
}
.statement-inner { max-width: 900px; margin: 0 auto; }
.statement h2 { font-size: clamp(50px, 4.8vw, 72px); font-weight: 900; }
.statement p:not(.eyebrow) { margin: 28px auto 0; max-width: 740px; color: var(--muted); line-height: 1.9; font-size: 17px; }
.pill-row { margin: 50px auto 0; display: flex; justify-content: center; align-items: center; gap: 12px; flex-wrap: wrap; }
.pill-row span { padding: 14px 22px; border-radius: 999px; background: #f3f8f5; border: 1px solid #e6eee9; color: var(--green-dark); font-weight: 900; box-shadow: 0 8px 22px rgba(31,72,58,.035); }
.pill-row i { font-style: normal; color: #a4aea9; }

.feature { background: #fff; border-bottom: 1px solid rgba(24,33,29,.035); }
.feature-mint { background: linear-gradient(180deg, #edf5f1 0%, #f2f7f4 100%); }
.feature-dark { background: linear-gradient(135deg, #17362c 0%, #123026 100%); color: #fff; }
.feature-wrap { max-width: 1220px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: center; gap: 118px; }
.feature-wrap.reverse { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
.feature-wrap.reverse .feature-copy { order: 2; }
.feature-wrap.reverse .feature-visual { order: 1; }
.feature-copy { max-width: 540px; }
.feature-copy h2 { font-size: clamp(46px, 4.4vw, 66px); font-weight: 900; }
.feature-copy > p:not(.eyebrow) { margin-top: 24px; color: var(--muted); line-height: 1.9; font-size: 17px; }
.feature-dark .feature-copy > p:not(.eyebrow) { color: rgba(255,255,255,.67); }
.feature-dark .eyebrow { color: #9fc8b7; }
.check-list { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 13px; }
.check-list li { position: relative; padding-left: 30px; color: #46514c; font-weight: 700; line-height: 1.6; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; background: var(--mint); color: var(--green); font-size: 11px; font-weight: 900; }
.light-list li { color: rgba(255,255,255,.82); }
.light-list li::before { background: rgba(255,255,255,.1); color: #cde2d9; }
.feature-visual { min-height: 650px; display: grid; place-items: center; position: relative; isolation: isolate; }
.feature-visual::before {
  content: "";
  position: absolute;
  width: min(90%, 560px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(55,107,89,.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 22px 70px rgba(31,72,58,.055);
  z-index: -1;
}
.feature-dark .feature-visual::before { background: rgba(255,255,255,.055); border-color: rgba(255,255,255,.08); box-shadow: none; }
.feature-visual > * { position: relative; z-index: 1; }
.phone-feature { width: 300px; height: 605px; }
.tilt-left { transform: rotate(-3deg); }
.tilt-right { transform: rotate(3deg); }
.quiz-screen { background: #fff; }
.quiz-meta { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--muted); }
.quiz-meta b { color: var(--green); }
.progress { height: 6px; margin-top: 12px; background: #edf0ee; border-radius: 999px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--green); border-radius: inherit; }
.question-label { display: block; margin-top: 50px; color: var(--green); font-weight: 800; }
.quiz-screen h3 { font-size: 24px; line-height: 1.35; letter-spacing: -.04em; }
.number-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; margin-top: 32px; }
.number-row span { aspect-ratio: 1; display: grid; place-items: center; background: var(--mint-soft); border-radius: 14px; font-weight: 900; font-size: 19px; }
.answer-grid { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.answer-grid button { border: 1px solid var(--line); background: #fff; border-radius: 13px; padding: 12px; color: var(--ink); font-weight: 800; }
.answer-grid .selected { border-color: var(--green); background: var(--mint-soft); color: var(--green); }
.reward-toast { margin-top: 22px; background: #fff4df; color: #8c5f1f; border-radius: 14px; padding: 13px; text-align: center; font-size: 12px; }
.reward-toast b { color: var(--green); }

.time-illustration { width: 540px; height: 540px; position: relative; display: grid; place-items: center; }
.big-ring { width: 324px; height: 324px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--green) 0 68%, var(--mint) 68% 100%); box-shadow: var(--shadow); position: relative; }
.big-ring::before { content: ""; position: absolute; inset: 24px; background: #fff; border-radius: 50%; }
.big-ring span { position: relative; z-index: 2; display: grid; text-align: center; }
.big-ring b { font-size: 76px; line-height: 1; letter-spacing: -.05em; }
.big-ring small { color: var(--muted); margin-top: 7px; }
.small-card { position: absolute; min-width: 140px; padding: 19px; border-radius: 19px; background: #fff; border: 1px solid rgba(24,33,29,.05); box-shadow: var(--shadow-soft); display: grid; gap: 5px; }
.small-card span { color: var(--muted); font-size: 10px; }
.small-card b { font-size: 18px; }
.small-card.one { left: 0; top: 82px; transform: rotate(-5deg); }
.small-card.two { right: 0; top: 150px; transform: rotate(4deg); }
.small-card.three { left: 74px; bottom: 45px; }
.small-card.three b { color: var(--green); }

.dark-phone { background: #0f1713; box-shadow: 0 40px 100px rgba(0,0,0,.28); }
.parent-screen { background: #f4f7f5; color: var(--ink); }
.report-card { margin-top: 25px; background: #fff; border-radius: 22px; padding: 18px; }
.report-title { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--muted); }
.report-title b { color: var(--green); }
.bars { height: 130px; display: flex; align-items: flex-end; gap: 9px; padding-top: 20px; }
.bars i { flex: 1; min-height: 12px; background: #d7e5df; border-radius: 999px 999px 4px 4px; }
.bars i.today { background: var(--green); }
.days { display: flex; gap: 9px; margin-top: 7px; }
.days span { flex: 1; text-align: center; font-size: 8px; color: #8b9590; }
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 12px; }
.stat-row div { padding: 14px; border-radius: 17px; background: #fff; display: grid; gap: 4px; }
.stat-row small { color: var(--muted); font-size: 9px; }
.stat-row b { font-size: 14px; }
.praise-button { width: 100%; margin-top: 12px; border: 0; border-radius: 15px; padding: 13px; background: var(--green); color: #fff; font-weight: 800; font-size: 11px; }

.safe { background: #fff; }
.safe-head { max-width: 900px; margin: 0 auto; text-align: center; }
.safe h2 { font-size: clamp(46px, 4.8vw, 68px); font-weight: 900; }
.safe-head > p:not(.eyebrow) { margin: 26px auto 0; max-width: 700px; color: var(--muted); line-height: 1.8; font-size: 16px; }
.safe-grid { max-width: 1220px; margin: 58px auto 0; display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.safe-grid article { background: linear-gradient(180deg, #fbfcfa, #f6f8f6); border: 1px solid #e9eeeb; border-radius: 28px; padding: 30px 26px; min-height: 268px; box-shadow: 0 12px 34px rgba(24,33,29,.025); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.safe-grid article:hover { transform: translateY(-5px); box-shadow: 0 22px 48px rgba(24,33,29,.07); border-color: #dbe5df; }
.safe-grid article > span { display: block; margin-top: 24px; color: var(--muted); font-size: 11px; font-weight: 800; }
.safe-grid h3 { margin: 8px 0 10px; font-size: 20px; }
.safe-grid p { margin: 0; color: var(--muted); line-height: 1.72; font-size: 13px; }
.safe-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 18px; font-weight: 900; font-size: 20px; }
.safe-icon.green { background: #dceae4; color: var(--green); }
.safe-icon.amber { background: #fff1d9; color: #9c6a1e; }
.safe-icon.mint { background: #e8f4ef; color: #4d806e; }
.safe-icon.ink { background: #202a25; color: #fff; }

.principles { background: linear-gradient(180deg, #f3f6f3 0%, #eef3ef 100%); }
.principles-title { max-width: 800px; }
.principles h2 { font-size: clamp(44px, 4.2vw, 62px); font-weight: 900; }
.principle-grid { margin-top: 58px; display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.principle-grid > div { background: rgba(255,255,255,.9); border: 1px solid rgba(55,107,89,.07); border-radius: 30px; padding: 36px; min-height: 268px; box-shadow: 0 16px 40px rgba(31,72,58,.035); }
.principle-grid b { color: var(--green); font-size: 12px; letter-spacing: .12em; }
.principle-grid h3 { margin: 46px 0 10px; font-size: 27px; }
.principle-grid p { margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; }

.final-cta { position: relative; overflow: hidden; min-height: 590px; display: grid; place-items: center; text-align: center; background: linear-gradient(135deg, #376b59 0%, #2d5f50 52%, #20483a 100%); color: #fff; }
.final-cta::before {
  content: "";
  position: absolute;
  inset: 36px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 42px;
  pointer-events: none;
}
.final-inner { position: relative; z-index: 2; max-width: 900px; }
.final-cta .eyebrow { color: #c9ded5; }
.final-cta h2 { font-size: clamp(48px, 5.2vw, 74px); font-weight: 900; }
.final-cta p:not(.eyebrow) { color: rgba(255,255,255,.72); margin-top: 24px; font-size: 17px; }
.beta-badge { display: inline-flex; margin-top: 30px; padding: 13px 18px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; background: rgba(255,255,255,.08); font-size: 11px; font-weight: 900; letter-spacing: .1em; backdrop-filter: blur(8px); }
.cta-orb { position: absolute; border-radius: 50%; background: rgba(255,255,255,.065); }
.orb-a { width: 500px; height: 500px; left: -170px; top: -200px; }
.orb-b { width: 650px; height: 650px; right: -270px; bottom: -390px; }

footer { padding: 40px 32px; background: #13231d; color: #fff; }
.footer-inner { width: min(1220px,100%); margin: 0 auto; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 26px; }
.footer-brand .brand-mark span { background: #9fc8b7; }
.footer-brand .brand-mark span:nth-child(3) { background: var(--amber); }
.footer-inner > p { margin: 0; color: rgba(255,255,255,.48); font-size: 13px; }
.footer-links { display: flex; align-items: center; gap: 18px; color: rgba(255,255,255,.58); font-size: 12px; }
.footer-links a:hover { color: #fff; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s cubic-bezier(.2,.7,.2,1), transform .75s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .section-pad { padding-left: 40px; padding-right: 40px; }
  .hero { gap: 34px; grid-template-columns: .96fr 1.04fr; }
  .hero h1 { font-size: clamp(60px, 7vw, 82px); }
  .hero-visual::before { width: 460px; height: 590px; }
  .feature-wrap, .feature-wrap.reverse { gap: 70px; }
  .safe-grid { grid-template-columns: repeat(2,1fr); max-width: 900px; }
}

@media (max-width: 900px) {
  .nav-wrap { width: min(100% - 40px, 760px); }
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .section-pad { padding: 102px 28px; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 118px; padding-bottom: 84px; text-align: center; gap: 30px; }
  .hero-copy { max-width: 720px; margin: 0 auto; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { min-height: 630px; }
  .feature-wrap, .feature-wrap.reverse { grid-template-columns: 1fr; gap: 28px; }
  .feature-wrap.reverse .feature-copy, .feature-wrap.reverse .feature-visual { order: initial; }
  .feature-copy { max-width: 680px; margin: 0 auto; text-align: center; }
  .check-list { max-width: 520px; margin-left: auto; margin-right: auto; text-align: left; }
  .feature-visual { min-height: 580px; }
  .safe-grid { grid-template-columns: 1fr 1fr; }
  .principle-grid { grid-template-columns: 1fr; max-width: 760px; }
  .principle-grid > div { min-height: auto; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

@media (max-width: 600px) {
  .nav-wrap { width: calc(100% - 32px); height: 68px; }
  .brand-word { font-size: 21px; }
  .nav-cta { font-size: 11px; padding: 9px 13px; }
  .section-pad { padding: 84px 20px; }
  .hero { padding-top: 102px; padding-bottom: 74px; }
  .hero h1 { font-size: 50px; }
  .hero-sub { font-size: 15px; line-height: 1.75; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 300px; margin-left: auto; margin-right: auto; }
  .hero-visual { min-height: 520px; }
  .hero-visual::before { width: 330px; height: 445px; }
  .phone { width: 246px; height: 496px; border-radius: 39px; }
  .screen { border-radius: 31px; padding: 35px 16px 16px; }
  .time-card { padding: 17px; }
  .time-card b { font-size: 39px; }
  .floating-chip { transform: scale(.84); }
  .chip-left { left: -8%; top: 22%; }
  .chip-right { right: -8%; bottom: 22%; }
  .orbit-one { width: 370px; height: 370px; }
  .orbit-two { width: 292px; height: 292px; }
  .statement h2, .feature-copy h2, .safe h2, .principles h2, .final-cta h2 { font-size: 39px; }
  .statement p:not(.eyebrow), .feature-copy > p:not(.eyebrow), .safe-head > p:not(.eyebrow) { font-size: 15px; }
  .pill-row { gap: 8px; }
  .pill-row span { padding: 11px 14px; font-size: 12px; }
  .pill-row i { display: none; }
  .feature-visual { min-height: 510px; }
  .feature-visual::before { width: 330px; }
  .phone-feature { width: 246px; height: 496px; }
  .time-illustration { width: 330px; height: 430px; }
  .big-ring { width: 245px; height: 245px; }
  .big-ring b { font-size: 58px; }
  .small-card { min-width: 105px; padding: 14px; }
  .small-card.one { left: 0; top: 42px; }
  .small-card.two { right: 0; top: 125px; }
  .small-card.three { left: 45px; bottom: 35px; }
  .safe-grid { grid-template-columns: 1fr; }
  .safe-grid article { min-height: auto; }
  .principle-grid > div { min-height: auto; padding: 30px; }
  .final-cta::before { inset: 16px; border-radius: 28px; }
  .desktop-only { display: none; }
  .footer-links { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}