:root {
  --navy: #071625;
  --navy-soft: #0d2234;
  --navy-lift: #153147;
  --porcelain: #f7f3ec;
  --white: #fffdf9;
  --ink: #0d1c29;
  --muted: #63707a;
  --coral: #ff6b66;
  --coral-deep: #e95453;
  --gold: #f2b96a;
  --gold-soft: #f9d9a4;
  --line: rgba(7, 22, 37, .13);
  --dark-line: rgba(255, 255, 255, .14);
  --shadow: 0 30px 90px rgba(4, 15, 26, .22);
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--porcelain);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, .button, .choice { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.section-shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; transform: translateY(-180%); padding: 10px 14px; border-radius: 8px; color: var(--navy); background: var(--gold); font-weight: 800; }
.skip-link:focus { transform: translateY(0); }
.eyebrow { margin: 0 0 18px; color: var(--coral-deep); font-size: .7rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow-gold { color: var(--gold); }

.site-header {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  min-height: 88px;
  transform: translateX(-50%);
  color: var(--white);
  border-bottom: 1px solid var(--dark-line);
}
.brand { font: 700 2rem/1 var(--serif); letter-spacing: -.055em; text-decoration: none; }
.brand-mark { display: none; }
nav { display: flex; align-items: center; gap: 30px; }
nav a { color: rgba(255, 255, 255, .75); font-size: .82rem; font-weight: 650; text-decoration: none; }
nav a:hover { color: white; }
.nav-cta { padding: 11px 20px; border-radius: 999px; color: white !important; background: var(--coral); }
.nav-cta:hover { background: var(--coral-deep); }

.hero { overflow: hidden; color: var(--white); background: var(--navy); }
.hero-shell { display: grid; grid-template-columns: .92fr 1.08fr; gap: clamp(48px, 6vw, 92px); align-items: center; min-height: 850px; padding-top: 116px; padding-bottom: 62px; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 640px; margin: 0; font: 500 clamp(4rem, 6vw, 6.45rem)/.91 var(--serif); letter-spacing: -.067em; text-wrap: balance; }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero-lede { max-width: 590px; margin: 28px 0 0; color: rgba(255, 255, 255, .78); font-size: clamp(1.1rem, 1.7vw, 1.33rem); line-height: 1.52; text-wrap: balance; }
.hero-actions { display: flex; align-items: center; gap: 20px; margin-top: 34px; }
.hero-actions > span { max-width: 190px; color: rgba(255, 255, 255, .52); font-size: .7rem; line-height: 1.45; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 54px; padding: 13px 25px; border: 0; border-radius: 999px; cursor: pointer; font-size: .9rem; font-weight: 800; text-decoration: none; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--coral); box-shadow: 0 16px 34px rgba(255, 107, 102, .2); }
.button-primary:hover { background: var(--coral-deep); }
.button:disabled { color: #7d8790; background: #e4e6e6; box-shadow: none; cursor: not-allowed; transform: none; }

.connection-visual { position: relative; align-self: end; max-width: 650px; min-width: 0; margin: 0; }
.connection-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 62%, rgba(7,22,37,.58)); pointer-events: none; }
.connection-visual picture { display: block; overflow: hidden; aspect-ratio: 4 / 5; border: 1px solid var(--dark-line); border-radius: 320px 320px 24px 24px; box-shadow: var(--shadow); }
.connection-visual img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; }
.connection-visual figcaption { position: absolute; right: 18px; bottom: 15px; z-index: 2; color: rgba(255,255,255,.63); font-size: .62rem; letter-spacing: .06em; }
.time-orbit { position: absolute; top: 50%; left: 50%; z-index: 3; display: grid; place-items: center; width: clamp(184px, 18vw, 244px); aspect-ratio: 1; transform: translate(-50%, -50%); border: 1px solid rgba(255,255,255,.78); border-radius: 50%; color: white; background: rgba(7,22,37,.55); box-shadow: 0 0 0 10px rgba(7,22,37,.18), inset 0 0 42px rgba(255,255,255,.05); backdrop-filter: blur(8px); }
.time-orbit::before { content: ""; position: absolute; inset: -2px; border-top: 3px solid var(--gold); border-right: 3px solid transparent; border-bottom: 3px solid #7db7e5; border-left: 3px solid transparent; border-radius: 50%; transform: rotate(18deg); }
.time-orbit div { text-align: center; }
.time-orbit strong { display: block; font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 400; letter-spacing: .045em; font-variant-numeric: tabular-nums; }
.time-orbit small { display: block; margin-top: 8px; font-size: .64rem; font-weight: 650; line-height: 1.45; }
.orbit-sun, .orbit-moon { position: absolute; z-index: 2; display: grid; place-items: center; width: 27px; aspect-ratio: 1; border-radius: 50%; color: var(--gold); background: var(--navy); }
.orbit-sun { top: -11px; left: 50%; transform: translateX(-50%); }
.orbit-moon { bottom: -11px; left: 50%; transform: translateX(-50%); color: #a9d2f3; font-size: .5rem; }
.hero-principle { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 4vw, 58px); min-height: 76px; padding: 20px 24px; border-top: 1px solid var(--dark-line); color: rgba(255,255,255,.7); font-size: .66rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.hero-principle i { width: 4px; height: 4px; border-radius: 50%; background: var(--coral); }

.day-story { padding-block: 120px 130px; }
.story-heading { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .6fr); gap: 28px 80px; align-items: end; }
.story-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -2px; }
.story-heading h2 { max-width: 760px; margin: 0; font: 500 clamp(3.3rem, 5.4vw, 5.8rem)/.95 var(--serif); letter-spacing: -.06em; }
.story-heading > p:last-child { margin: 0 0 7px; color: var(--muted); font-size: 1.05rem; line-height: 1.65; }
.day-line { position: relative; height: 74px; margin-top: 52px; }
.day-line::before { content: ""; position: absolute; top: 34px; left: 0; width: 100%; height: 1px; background: linear-gradient(90deg, var(--gold), var(--coral), var(--navy)); }
.day-line span { position: absolute; top: 27px; left: 0; width: 15px; height: 15px; border: 4px solid var(--porcelain); border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 1px var(--gold); animation: travel 8s ease-in-out infinite; }
.day-chapters { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 54px); }
.day-chapters article { min-width: 0; }
.chapter-time { display: flex; gap: 10px; color: var(--muted); font-size: .69rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.chapter-time b { color: var(--ink); font-variant-numeric: tabular-nums; }
.message-bubble { display: flex; align-items: center; min-height: 104px; margin: 22px 0 28px; padding: 22px 24px; border: 1px solid rgba(242,185,106,.46); border-radius: 4px 24px 24px 24px; color: #5f4b30; background: #fff8e9; font: italic 1rem/1.5 var(--serif); }
.message-bubble.warm { border-color: rgba(255,107,102,.3); color: #743b3b; background: #fff0ed; }
.message-bubble.night { justify-content: space-between; border-color: transparent; color: white; background: var(--navy-soft); font: 600 .72rem var(--sans); }
.voice-wave { color: #9bc8e9; letter-spacing: .09em; }
.day-chapters h3 { margin: 0; font: 500 2rem/1.08 var(--serif); letter-spacing: -.04em; }
.day-chapters article > p:last-child { margin: 13px 0 0; color: var(--muted); font-size: .88rem; line-height: 1.65; }

.difference-section { padding-block: 118px; color: white; background: var(--navy); }
.difference-shell { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(60px, 9vw, 130px); align-items: center; }
.difference-copy h2 { max-width: 520px; margin: 0; font: 500 clamp(3.25rem, 5vw, 5rem)/.95 var(--serif); letter-spacing: -.06em; }
.difference-copy > p:not(.eyebrow) { max-width: 500px; margin: 26px 0 30px; color: rgba(255,255,255,.68); line-height: 1.7; }
.text-link { color: var(--gold); font-size: .82rem; font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.difference-list { border-top: 1px solid var(--dark-line); }
.difference-list article { display: grid; grid-template-columns: 54px 1fr; gap: 24px; padding: 32px 0; border-bottom: 1px solid var(--dark-line); }
.difference-list article > span { color: var(--gold); font-size: .68rem; font-weight: 800; letter-spacing: .15em; }
.difference-list h3 { margin: 0; font: 500 1.85rem/1.05 var(--serif); letter-spacing: -.035em; }
.difference-list p { max-width: 550px; margin: 9px 0 0; color: rgba(255,255,255,.61); font-size: .9rem; line-height: 1.6; }

.lab-section { padding-block: 120px; color: white; background: #0b2132; scroll-margin-top: 20px; }
.lab-shell { display: grid; grid-template-columns: .74fr 1.26fr; gap: clamp(50px, 8vw, 108px); align-items: start; }
.lab-intro { position: sticky; top: 36px; }
.lab-intro h2 { max-width: 500px; margin: 0; font: 500 clamp(3.2rem, 5vw, 5rem)/.96 var(--serif); letter-spacing: -.06em; }
.lab-intro > p:not(.eyebrow) { max-width: 470px; margin: 25px 0; color: rgba(255,255,255,.66); line-height: 1.7; }
.lab-points { display: grid; gap: 11px; margin: 28px 0 0; padding: 0; color: rgba(255,255,255,.75); font-size: .82rem; list-style: none; }
.lab-points span { display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 8px; border-radius: 50%; color: var(--navy); background: var(--gold); font-size: .66rem; font-weight: 900; }
.match-form, .results { min-width: 0; padding: clamp(24px, 4vw, 42px); border: 1px solid rgba(255,255,255,.15); border-radius: 26px; color: var(--ink); background: var(--white); box-shadow: 0 30px 90px rgba(0,0,0,.18); }
.form-progress { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 30px; padding-bottom: 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .65rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.form-progress strong { color: var(--coral-deep); }
.match-form > label, .field-row label, fieldset { display: block; margin: 0 0 27px; color: var(--ink); font-size: .78rem; font-weight: 800; }
.field-row { display: grid; grid-template-columns: 1fr 120px; gap: 16px; }
fieldset { padding: 0; border: 0; }
legend { margin-bottom: 12px; padding: 0; }
input, textarea { width: 100%; margin-top: 8px; border: 1px solid #ced5d8; border-radius: 12px; color: var(--ink); background: #fbfcfc; }
input { min-height: 52px; padding: 12px 14px; }
textarea { min-height: 118px; padding: 14px; resize: vertical; }
input:focus, textarea:focus { border-color: var(--coral); outline: 3px solid rgba(255,107,102,.16); }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.choice { margin: 0; cursor: pointer; }
.choice input { position: absolute; width: 1px; height: 1px; margin: 0; opacity: 0; }
.choice span { display: grid; place-items: center; min-height: 62px; padding: 10px; border: 1px solid #d8dddf; border-radius: 12px; color: var(--muted); background: #fbfcfc; font-size: .74rem; text-align: center; }
.choice input:checked + span { border-color: var(--coral); color: #9c3737; background: #fff0ed; box-shadow: inset 0 0 0 1px var(--coral); }
.choice input:focus-visible + span { outline: 3px solid var(--gold); outline-offset: 3px; }
.field-hint { display: block; margin-top: 6px; color: var(--muted); font-size: .65rem; font-weight: 500; }
.consent-row { display: grid !important; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; color: var(--muted) !important; font-size: .72rem !important; font-weight: 500 !important; line-height: 1.5; }
.consent-row input { width: 18px; min-height: 18px; margin: 2px 0 0; accent-color: var(--coral); }
.form-submit { width: 100%; }
.model-note, .result-disclaimer, .practice-note { margin: 13px 0 0; color: var(--muted); font-size: .67rem; font-weight: 500; line-height: 1.55; }
.form-error { padding: 10px 12px; border-radius: 8px; color: #8d2727; background: #ffeded; font-size: .76rem; }
.results-head h2 { margin: 8px 0 0; font: 500 clamp(2.4rem, 4vw, 3.7rem)/1 var(--serif); letter-spacing: -.055em; }
.loading-state { display: grid; justify-items: center; padding: 60px 20px 28px; text-align: center; }
.loader-orbit { display: grid; place-items: center; width: 80px; height: 80px; border: 1px solid var(--line); border-radius: 50%; animation: spin 4s linear infinite; }
.loader-orbit span { color: var(--coral); font-size: 1.3rem; }
.loading-state p { color: var(--muted); }
.loading-track { overflow: hidden; width: min(300px, 100%); height: 4px; border-radius: 99px; background: #e3e8e9; }
.loading-track span { display: block; width: 42%; height: 100%; border-radius: inherit; background: var(--coral); animation: load 1.6s ease-in-out infinite; }
.result-grid { margin-top: 30px; }
.result-card { display: grid; grid-template-columns: 145px 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #f7f8f7; }
.result-avatar { display: grid; place-items: center; min-height: 210px; overflow: hidden; color: white; background: var(--navy-lift); font: 500 3.5rem var(--serif); }
.result-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 25%; }
.result-body { align-self: center; min-width: 0; padding: 22px; }
.result-meta h3 { margin: 0; font: 500 1.75rem var(--serif); letter-spacing: -.04em; }
.fiction-label { display: block; margin: 4px 0 12px; color: var(--coral-deep); font-size: .62rem; font-weight: 800; }
.result-body p { margin: 0; color: var(--muted); font-size: .83rem; line-height: 1.55; }
.signal-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.signal-tags span { padding: 5px 8px; border-radius: 99px; color: #6e4a1d; background: #fff1da; font-size: .6rem; font-weight: 800; }
.daily-panel { margin-top: 24px; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.daily-clock-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.daily-clock-row span { color: var(--muted); font-size: .75rem; font-weight: 800; }
.daily-clock-row strong { color: var(--coral-deep); font-size: clamp(1.8rem, 4vw, 2.55rem); font-weight: 450; letter-spacing: .03em; font-variant-numeric: tabular-nums; }
.daily-panel p { margin: 6px 0 0; color: var(--muted); font-size: .72rem; }
.daily-panel .daily-status { color: var(--ink); font-weight: 700; }
.coach-panel { display: grid; grid-template-columns: 34px 1fr; gap: 13px; margin-top: 24px; }
.coach-avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: white; background: var(--navy); font: 700 1rem var(--serif); }
.coach-label { margin: 0; color: var(--coral-deep); font-size: .62rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.coach-panel h3 { margin: 4px 0 6px; font: 500 1.3rem var(--serif); }
#opener-copy { margin: 0; color: var(--muted); font-size: .82rem; }
.copy-button { min-height: 38px; margin-top: 10px; padding: 8px 13px; border: 1px solid var(--coral); border-radius: 99px; color: var(--coral-deep); background: transparent; cursor: pointer; font-size: .7rem; font-weight: 800; }
.thread-messages { display: grid; gap: 8px; margin-top: 22px; }
.practice-message { max-width: 88%; margin: 0 0 0 auto; padding: 13px 15px; border-radius: 15px 15px 4px 15px; color: white; background: var(--navy-soft); font-size: .8rem; overflow-wrap: anywhere; }
.practice-message small { display: block; margin-top: 5px; color: rgba(255,255,255,.56); font-size: .58rem; }
.message-form { margin-top: 24px; }
.message-form label { display: block; font: 500 1.35rem var(--serif); }
.message-form textarea { min-height: 88px; }
.message-form .button { width: 100%; margin-top: 12px; }
.daily-actions { display: grid; gap: 8px; margin-top: 20px; }
.next-match { color: white; background: var(--navy); }
.quiet-button { min-height: 42px; border: 0; color: var(--muted); background: transparent; cursor: pointer; font-size: .69rem; text-decoration: underline; text-underline-offset: 4px; }

.trust-section { padding-block: 120px; }
.trust-card { position: relative; overflow: hidden; max-width: 960px; margin-inline: auto; padding: clamp(42px, 7vw, 82px); border: 1px solid var(--line); border-radius: 28px; background: var(--white); box-shadow: 0 20px 70px rgba(7,22,37,.08); }
.trust-card::after { content: "ZS"; position: absolute; right: -20px; bottom: -85px; color: rgba(7,22,37,.035); font: 500 15rem var(--serif); letter-spacing: -.1em; }
.trust-card h2 { position: relative; z-index: 1; max-width: 680px; margin: 0; font: 500 clamp(3rem, 5vw, 5rem)/.96 var(--serif); letter-spacing: -.06em; }
.trust-card > p:not(.eyebrow) { position: relative; z-index: 1; max-width: 680px; margin: 24px 0; color: var(--muted); line-height: 1.7; }
.dark-link { position: relative; z-index: 1; color: var(--coral-deep); }

.extra-section { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; margin-bottom: 110px; padding: 48px 54px; border-radius: 28px; color: white; background: var(--navy); }
.extra-section h2 { margin: 0; font: 500 clamp(2.6rem, 4vw, 4rem)/1 var(--serif); letter-spacing: -.05em; }
.extra-section p:not(.eyebrow) { max-width: 660px; margin: 13px 0 0; color: rgba(255,255,255,.63); }

.faq { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; padding-bottom: 120px; }
.faq-heading h2 { margin: 0; font: 500 clamp(2.8rem, 4.3vw, 4.4rem)/.98 var(--serif); letter-spacing: -.055em; }
.faq-list { border-top: 1px solid var(--line); }
details { padding: 0; border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; gap: 20px; padding: 25px 0; cursor: pointer; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--coral-deep); font-size: 1.3rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { max-width: 680px; margin: -4px 0 25px; color: var(--muted); font-size: .9rem; line-height: 1.7; }

dialog { width: min(540px, calc(100% - 32px)); padding: 42px; border: 1px solid rgba(255,255,255,.16); border-radius: 26px; color: white; background: var(--navy); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(1,10,18,.76); backdrop-filter: blur(8px); }
dialog h2 { margin: 0; font: 500 3rem/1 var(--serif); letter-spacing: -.05em; }
dialog > p:not(.eyebrow) { color: rgba(255,255,255,.68); }
.dialog-close { position: absolute; top: 16px; right: 16px; display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--dark-line); border-radius: 50%; color: white; background: transparent; cursor: pointer; font-size: 1.6rem; }
.dialog-truth { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--dark-line); }

footer { display: grid; grid-template-columns: 1fr auto; gap: 24px 50px; padding: 50px max(24px, calc((100vw - 1180px) / 2)); color: white; background: #04101b; }
.footer-brand { display: flex; flex-direction: column; }
.footer-brand strong { font: 700 2rem var(--serif); letter-spacing: -.055em; }
.footer-brand small, footer > p { color: rgba(255,255,255,.47); font-size: .67rem; }
.footer-links { display: flex; gap: 24px; align-items: center; }
.footer-links a { color: rgba(255,255,255,.76); font-size: .76rem; text-decoration: none; }
footer > p { grid-column: 1 / -1; margin: 8px 0 0; padding-top: 22px; border-top: 1px solid var(--dark-line); }

.legal-page body { background: var(--porcelain); }
.legal-page .site-header { position: relative; color: var(--navy); border-color: var(--line); }
.legal-page .site-header nav a { color: var(--muted); }
.legal-page .site-header .nav-cta { color: white; }
.legal-main { width: min(780px, calc(100% - 48px)); min-height: 68vh; margin: 0 auto; padding: 100px 0 120px; }
.legal-main h1 { margin: 0; font: 500 clamp(4rem, 8vw, 7rem)/.9 var(--serif); letter-spacing: -.07em; }
.legal-updated { margin: 20px 0 40px; color: var(--muted); font-size: .78rem; }
.legal-callout { margin-bottom: 52px; padding: 24px; border-left: 4px solid var(--coral); color: #35434c; background: var(--white); line-height: 1.65; }
.legal-main h2 { margin: 42px 0 10px; font: 500 1.7rem var(--serif); letter-spacing: -.03em; }
.legal-main p { color: var(--muted); line-height: 1.75; }
.legal-main .button { margin-top: 20px; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes load { 0% { transform: translateX(-110%); } 50% { transform: translateX(120%); } 100% { transform: translateX(280%); } }
@keyframes travel { 0%, 8% { left: 0; background: var(--gold); } 48%, 58% { left: calc(50% - 8px); background: var(--coral); } 92%, 100% { left: calc(100% - 15px); background: var(--navy); } }

@media (max-width: 900px) {
  .site-header { width: calc(100% - 32px); }
  nav > a:not(.nav-cta) { display: none; }
  .hero-shell { grid-template-columns: 1fr; gap: 45px; min-height: 0; padding-top: 140px; }
  .hero-copy { text-align: center; }
  .hero h1, .hero-lede { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .connection-visual { justify-self: center; width: min(620px, 100%); }
  .story-heading, .difference-shell, .lab-shell, .faq { grid-template-columns: 1fr; }
  .story-heading .eyebrow { grid-column: auto; }
  .lab-intro { position: static; }
  .faq { gap: 44px; }
}

@media (max-width: 680px) {
  .section-shell { width: min(100% - 32px, 560px); }
  .site-header { min-height: 72px; }
  .brand { font-size: 1.65rem; }
  .nav-cta { padding: 9px 14px; font-size: .7rem; }
  .hero-shell { gap: 36px; padding-top: 118px; padding-bottom: 40px; }
  .hero h1 { font-size: clamp(3.3rem, 15vw, 4.8rem); line-height: .92; }
  .hero-lede { font-size: 1.02rem; }
  .hero-actions { flex-direction: column; gap: 13px; }
  .hero-actions .button { width: 100%; }
  .hero-actions > span { max-width: none; }
  .connection-visual picture { aspect-ratio: 4 / 4.65; border-radius: 180px 180px 18px 18px; }
  .connection-visual img { object-position: 50% 43%; }
  .time-orbit { width: 164px; }
  .time-orbit strong { font-size: 1.55rem; }
  .time-orbit small { font-size: .57rem; }
  .hero-principle { gap: 12px; padding-inline: 12px; font-size: .52rem; letter-spacing: .1em; }
  .day-story { padding-block: 82px 90px; }
  .story-heading { gap: 18px; }
  .story-heading h2 { font-size: 3.25rem; }
  .day-line { display: none; }
  .day-chapters { grid-template-columns: 1fr; gap: 0; margin-top: 45px; border-left: 1px solid var(--line); }
  .day-chapters article { position: relative; padding: 0 0 52px 26px; }
  .day-chapters article::before { content: ""; position: absolute; top: 2px; left: -6px; width: 11px; height: 11px; border: 3px solid var(--porcelain); border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 1px var(--coral); }
  .message-bubble { min-height: 86px; margin: 18px 0 22px; }
  .difference-section, .lab-section { padding-block: 82px; }
  .difference-copy h2, .lab-intro h2 { font-size: 3.15rem; }
  .difference-list article { grid-template-columns: 38px 1fr; gap: 12px; }
  .match-form, .results { padding: 24px 18px; border-radius: 20px; }
  .field-row, .choice-grid { grid-template-columns: 1fr; }
  .field-row { gap: 0; }
  .choice span { min-height: 52px; }
  .result-card { grid-template-columns: 110px 1fr; }
  .result-avatar { min-height: 185px; }
  .result-body { padding: 16px; }
  .daily-clock-row { align-items: flex-start; flex-direction: column; }
  .daily-clock-row strong { font-size: 2.2rem; }
  .trust-section { padding-block: 82px; }
  .trust-card { padding: 36px 24px; border-radius: 20px; }
  .trust-card h2 { font-size: 3.05rem; }
  .extra-section { grid-template-columns: 1fr; gap: 26px; margin-bottom: 82px; padding: 36px 24px; border-radius: 20px; }
  .extra-section .button { width: 100%; }
  .faq { padding-bottom: 82px; }
  .faq-heading h2 { font-size: 3rem; }
  dialog { padding: 36px 24px 28px; }
  dialog h2 { font-size: 2.65rem; }
  footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  footer > p { grid-column: auto; }
  .legal-page .site-header { width: calc(100% - 32px); }
  .legal-page .site-header nav a:not(.nav-cta) { display: none; }
  .legal-main { width: calc(100% - 32px); padding-block: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}