:root {
  --ink: #111827;
  --ink-soft: #5d6676;
  --ink-faint: #8b94a5;
  --blue: #147af3;
  --blue-deep: #075acb;
  --blue-wash: #eaf3ff;
  --mint: #d9f5ee;
  --paper: #f7f8fc;
  --surface: #ffffff;
  --line: rgba(17, 24, 39, 0.09);
  --shadow-soft: 0 24px 64px rgba(37, 55, 84, 0.1);
  --shadow-device: 0 34px 70px rgba(13, 27, 52, 0.24), 0 8px 18px rgba(13, 27, 52, 0.12);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --max-width: 1220px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang TC", "Noto Sans CJK TC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 77% 1%, rgba(206, 231, 255, 0.4), transparent 28%), radial-gradient(circle at 0% 70%, rgba(218, 245, 240, 0.23), transparent 26%);
  z-index: -1;
}

a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }

.page-shell { overflow: hidden; }

.site-header,
.section-grid,
.section-block,
.signal-row,
.site-footer {
  width: min(calc(100% - 56px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  position: relative;
  z-index: 10;
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  position: sticky;
  top: 0;
  padding-inline: 18px;
  width: min(calc(100% - 20px), 1240px);
  height: 72px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 0 0 18px 18px;
  background: rgba(247, 248, 252, 0.82);
  box-shadow: 0 14px 38px rgba(38, 53, 78, 0.08);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; color: #fff; border-radius: 12px; background: var(--ink); box-shadow: 0 7px 14px rgba(17, 24, 39, 0.14); }
.brand-mark svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.brand-copy { display: grid; gap: 1px; }
.brand-copy strong { font-size: 16px; letter-spacing: -0.03em; }
.brand-copy span { color: var(--ink-faint); font-size: 11px; letter-spacing: 0.02em; }

.site-navigation { display: flex; align-items: center; gap: 34px; color: var(--ink-soft); font-size: 14px; }
.site-navigation a { transition: color 160ms ease; }
.site-navigation a:hover { color: var(--ink); }
.site-navigation .nav-cta { padding: 11px 17px; color: #fff; border-radius: 999px; background: var(--ink); box-shadow: 0 8px 18px rgba(17, 24, 39, 0.14); }
.site-navigation .nav-cta:hover { color: #fff; background: var(--blue); }
.mobile-menu-button { display: none; }

.section-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 30px; }
.hero { min-height: 676px; align-items: center; padding-block: 56px 92px; }
.hero-copy { padding-block: 42px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 20px; color: var(--blue-deep); font-size: 11px; font-weight: 700; letter-spacing: 0.12em; }
.eyebrow > span { display: inline-block; width: 18px; height: 2px; border-radius: 99px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 540px; margin-bottom: 26px; font-size: clamp(48px, 6vw, 78px); line-height: 1.08; letter-spacing: -0.075em; }
h1 em, h2 em { color: var(--blue); font-style: normal; }
.hero-lede { max-width: 445px; margin-bottom: 30px; color: var(--ink-soft); font-size: 17px; line-height: 1.85; letter-spacing: 0.01em; }
.hero-actions { display: flex; align-items: center; gap: 22px; margin-bottom: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 50px; padding: 0 20px; border-radius: 999px; font-size: 14px; font-weight: 700; transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 13px 28px rgba(20, 122, 243, 0.25); }
.button-primary:hover { background: var(--blue-deep); box-shadow: 0 16px 30px rgba(20, 122, 243, 0.32); }
.button-primary span, .button-light span { font-size: 18px; font-weight: 400; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: 13px; font-weight: 700; }
.text-link span { color: var(--blue); font-size: 17px; transition: transform 160ms ease; }
.text-link:hover span { transform: translateX(3px); }
.hero-note { display: flex; align-items: center; gap: 8px; color: var(--ink-faint); font-size: 11px; }
.note-dot { width: 7px; height: 7px; border-radius: 50%; background: #46c9a4; box-shadow: 0 0 0 4px rgba(70, 201, 164, 0.14); }

.hero-visual { min-height: 570px; position: relative; display: grid; place-items: center; }
.visual-glow { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.visual-glow-blue { top: 7%; right: 1%; width: 330px; height: 330px; background: rgba(205, 229, 255, 0.8); }
.visual-glow-mint { bottom: 10%; left: 4%; width: 240px; height: 240px; background: rgba(210, 243, 237, 0.85); }
.hero-device-wrap { position: relative; z-index: 2; transform: rotate(4deg) translateX(2%); }
.device-caption { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 14px; color: var(--ink-faint); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; }
.caption-divider { width: 24px; height: 1px; background: var(--line); }
.device { position: relative; overflow: hidden; border-radius: 42px; box-shadow: var(--shadow-device); }
.device-real-frame { display: block; width: 100%; height: auto; }
.device-iphone { width: 284px; }
.floating-note { position: absolute; z-index: 4; display: flex; align-items: center; gap: 11px; padding: 12px 14px; border: 1px solid rgba(255, 255, 255, 0.74); border-radius: 17px; background: rgba(255, 255, 255, 0.78); box-shadow: 0 16px 28px rgba(30, 48, 76, 0.12); backdrop-filter: blur(15px); }
.floating-note strong, .floating-note small { display: block; }
.floating-note strong { margin-bottom: 2px; font-size: 12px; }
.floating-note small { color: var(--ink-faint); font-size: 10px; }
.floating-note-top { top: 18%; right: 0; }
.floating-note-bottom { bottom: 9%; left: 0; }
.floating-icon, .floating-check { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 10px; }
.floating-icon { color: #fff; background: var(--blue); }
.floating-check { color: #fff; font-size: 16px; background: #44c6a0; }

.signal-row { display: grid; grid-template-columns: repeat(3, 1fr) 1.35fr; align-items: center; gap: 0; margin-bottom: 118px; padding: 21px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-row > div { display: flex; align-items: center; gap: 13px; min-height: 42px; padding-left: 18px; border-right: 1px solid var(--line); }
.signal-row strong { color: var(--blue); font-size: 29px; font-weight: 500; letter-spacing: -0.06em; }
.signal-row span { color: var(--ink-soft); font-size: 11px; line-height: 1.5; }
.signal-row p { justify-self: end; margin: 0 20px 0 0; color: var(--ink-faint); font-size: 12px; line-height: 1.65; text-align: right; }

.section-block { margin-bottom: 150px; }
.section-heading { margin-bottom: 42px; }
.section-heading h2, .workflow h2, .privacy-copy h2 { margin-bottom: 12px; font-size: clamp(34px, 4.3vw, 52px); line-height: 1.16; letter-spacing: -0.065em; }
.section-heading > p:last-child, .workflow-copy > p, .privacy-copy > p { max-width: 500px; margin-bottom: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 360px; padding: 30px; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.feature-card-blue { background: var(--blue-wash); }
.feature-card-dark { color: #fff; background: #132135; }
.feature-card-mint { background: var(--mint); }
.feature-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 46px; border-radius: 15px; background: rgba(255, 255, 255, 0.76); }
.feature-card-dark .feature-icon { background: rgba(255, 255, 255, 0.12); }
.feature-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--blue); stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; }
.feature-card-dark .feature-icon svg { stroke: #9ecbff; }
.card-index { margin-bottom: 14px; color: var(--blue-deep); font-size: 10px; font-weight: 800; letter-spacing: 0.1em; }
.feature-card-dark .card-index { color: #9ecbff; }
.feature-card h3 { max-width: 250px; margin-bottom: 14px; font-size: 23px; line-height: 1.25; letter-spacing: -0.05em; }
.feature-card > p:not(.card-index) { max-width: 275px; min-height: 52px; margin-bottom: 28px; color: var(--ink-soft); font-size: 13px; line-height: 1.75; }
.feature-card-dark > p:not(.card-index) { color: rgba(255, 255, 255, 0.68); }
.mini-list { display: flex; flex-wrap: wrap; gap: 7px; }
.mini-list span { padding: 7px 10px; border: 1px solid rgba(20, 122, 243, 0.16); border-radius: 999px; color: var(--blue-deep); background: rgba(255, 255, 255, 0.55); font-size: 10px; }
.slider-demo { display: flex; align-items: center; gap: 11px; height: 7px; }
.slider-demo span { display: block; width: 62%; height: 4px; border-radius: 99px; background: #73b7ff; }
.slider-demo i { display: block; width: 13px; height: 13px; border: 3px solid #fff; border-radius: 50%; background: #73b7ff; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); }
.slider-demo b { display: block; width: 26%; height: 4px; border-radius: 99px; background: rgba(255, 255, 255, 0.25); }
.output-demo { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 11px 13px; border: 1px solid rgba(17, 24, 39, 0.08); border-radius: 13px; background: rgba(255, 255, 255, 0.58); color: #2e8c72; font-size: 11px; font-weight: 700; }
.output-demo strong { display: grid; place-items: center; width: 22px; height: 22px; color: #fff; border-radius: 50%; background: #45bf9e; }

.workflow { display: grid; grid-template-columns: 0.77fr 1.23fr; align-items: center; gap: 70px; }
.workflow-copy { padding-left: 12px; }
.steps { display: grid; gap: 0; margin: 39px 0 0; padding: 0; list-style: none; }
.steps li { display: flex; align-items: center; gap: 17px; padding-block: 17px; border-bottom: 1px solid var(--line); }
.steps li:first-child { border-top: 1px solid var(--line); }
.steps li > span { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: 0.08em; }
.steps strong, .steps small { display: block; }
.steps strong { margin-bottom: 3px; font-size: 14px; }
.steps small { color: var(--ink-faint); font-size: 11px; }
.preview-panel { padding: 20px 20px 16px; border: 1px solid rgba(255, 255, 255, 0.78); border-radius: var(--radius-xl); background: rgba(255, 255, 255, 0.74); box-shadow: var(--shadow-soft); }
.preview-panel-top, .preview-panel-bottom { display: flex; align-items: center; justify-content: space-between; }
.preview-panel-top { padding: 3px 6px 18px; }
.panel-kicker { display: block; margin-bottom: 5px; color: var(--ink-faint); font-size: 9px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.preview-panel-top strong { font-size: 15px; letter-spacing: -0.03em; }
.preview-tabs { display: inline-flex; gap: 4px; padding: 4px; border-radius: 999px; background: var(--paper); }
.preview-tab { min-width: 68px; padding: 7px 10px; border: 0; border-radius: 999px; color: var(--ink-faint); background: transparent; cursor: pointer; font-size: 11px; transition: color 160ms ease, background 160ms ease; }
.preview-tab.is-active { color: var(--ink); background: #fff; box-shadow: 0 3px 9px rgba(17, 24, 39, 0.08); }
.preview-stage { display: grid; place-items: center; min-height: 488px; position: relative; overflow: hidden; border-radius: 22px; background: linear-gradient(145deg, #e8f3ff, #d7efe9); }
.preview-stage::before { content: ""; position: absolute; width: 370px; height: 370px; border-radius: 50%; background: rgba(255, 255, 255, 0.52); filter: blur(5px); }
.stage-shadow { position: absolute; bottom: 5%; width: 230px; height: 32px; border-radius: 50%; background: rgba(14, 31, 57, 0.22); filter: blur(17px); }
.device-preview { z-index: 2; width: 190px; transform: rotate(-4deg); transition: width 220ms ease, transform 220ms ease; }
.device-preview-iphone { border-radius: 31px; }
.device-preview-ipad { width: 420px; overflow: visible; border-radius: 0; transform: rotate(-2deg); }
.preview-stage:has(.device-preview-ipad) { min-height: 560px; }
.preview-panel-bottom { padding: 15px 6px 0; color: var(--ink-soft); font-size: 12px; }
.preview-live { display: inline-flex; align-items: center; gap: 6px; color: #2a9b7a; font-size: 10px; font-weight: 700; }
.preview-live i { width: 6px; height: 6px; border-radius: 50%; background: #44c6a0; }

.privacy-card { display: grid; grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: 72px; padding: 66px 80px; border-radius: var(--radius-xl); background: #e9f1fc; box-shadow: var(--shadow-soft); }
.privacy-art { display: grid; place-items: center; min-height: 276px; position: relative; overflow: hidden; border-radius: 23px; background: linear-gradient(145deg, #cde3ff, #cfefe7); }
.privacy-orbit { position: absolute; border: 1px solid rgba(20, 122, 243, 0.24); border-radius: 50%; transform: rotate(-26deg); }
.privacy-orbit-one { width: 310px; height: 175px; }
.privacy-orbit-two { width: 240px; height: 310px; border-color: rgba(50, 181, 150, 0.28); transform: rotate(38deg); }
.privacy-lock { display: grid; place-items: center; z-index: 1; width: 100px; height: 100px; border: 1px solid rgba(255, 255, 255, 0.9); border-radius: 31px; color: #fff; background: rgba(20, 122, 243, 0.88); box-shadow: 0 15px 29px rgba(20, 122, 243, 0.28); }
.privacy-lock svg { width: 48px; height: 48px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.privacy-copy h2 { font-size: clamp(33px, 4vw, 50px); }
.privacy-copy .text-link { color: var(--ink); }
.privacy-actions { display: flex; flex-wrap: wrap; gap: 18px 24px; margin-top: 25px; }

.download-card { display: flex; align-items: center; justify-content: space-between; min-height: 332px; padding: 58px 75px 58px 80px; border-radius: var(--radius-xl); color: #fff; background: #111f32; box-shadow: 0 28px 65px rgba(17, 31, 50, 0.18); }
.eyebrow-light { color: #94c6ff; }
.download-copy h2 { max-width: 560px; margin-bottom: 16px; font-size: clamp(38px, 5vw, 61px); line-height: 1.1; letter-spacing: -0.07em; }
.download-copy > p:not(.eyebrow) { max-width: 420px; margin-bottom: 28px; color: rgba(255, 255, 255, 0.64); font-size: 14px; line-height: 1.75; }
.button-light { color: var(--ink); background: #fff; box-shadow: 0 11px 25px rgba(0, 0, 0, 0.16); }
.button-light:hover { background: #eaf3ff; }
.download-mark { display: grid; place-items: center; width: 238px; height: 238px; position: relative; }
.mark-ring { position: absolute; width: 100%; height: 100%; border: 1px solid rgba(155, 205, 255, 0.25); border-radius: 50%; box-shadow: inset 0 0 0 27px rgba(155, 205, 255, 0.05); }
.mark-ring::after { content: ""; position: absolute; inset: 27px; border: 1px dashed rgba(155, 205, 255, 0.22); border-radius: 50%; }
.mark-center { display: grid; place-items: center; z-index: 1; width: 72px; height: 72px; color: var(--ink); border-radius: 22px; background: #fff; box-shadow: 0 13px 28px rgba(0, 0, 0, 0.2); }
.mark-center svg { width: 44px; height: 44px; fill: none; stroke: currentColor; stroke-width: 1.7; }

.site-footer { display: flex; align-items: center; justify-content: space-between; min-height: 104px; padding-block: 24px; border-top: 1px solid var(--line); }
.site-footer .brand-mark { width: 32px; height: 32px; border-radius: 10px; }
.site-footer .brand-mark svg { width: 21px; height: 21px; }
.site-footer .brand-copy strong { font-size: 13px; }
.site-footer .brand-copy span, .site-footer p, .footer-top { color: var(--ink-faint); font-size: 10px; }
.site-footer p { margin: 0; }
.footer-links { display: inline-flex; align-items: center; gap: 18px; }
.footer-links > a:not(.footer-top) { color: var(--ink-faint); font-size: 10px; }
.footer-top { display: inline-flex; align-items: center; gap: 7px; }
.footer-top span { color: var(--blue); font-size: 15px; }

.policy-main { width: min(calc(100% - 56px), 1040px); margin: 0 auto 110px; }
.policy-hero { max-width: 760px; padding: 76px 0 52px; }
.policy-hero h1 { max-width: none; margin-bottom: 21px; font-size: clamp(46px, 6vw, 72px); }
.policy-hero > p:not(.eyebrow) { max-width: 690px; margin-bottom: 24px; color: var(--ink-soft); font-size: 17px; line-height: 1.85; }
.policy-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--ink-faint); font-size: 11px; }
.policy-layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); align-items: start; gap: 50px; }
.policy-nav { position: sticky; top: 102px; display: grid; gap: 3px; padding-top: 9px; }
.policy-nav p { margin: 0 0 12px; color: var(--ink-faint); font-size: 10px; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.policy-nav a { padding: 8px 0; color: var(--ink-soft); font-size: 12px; transition: color 160ms ease, transform 160ms ease; }
.policy-nav a:hover { color: var(--blue); transform: translateX(3px); }
.policy-document { min-width: 0; padding: 52px 58px; border: 1px solid rgba(255, 255, 255, 0.82); border-radius: var(--radius-xl); background: rgba(255, 255, 255, 0.82); box-shadow: var(--shadow-soft); }
.policy-document section { scroll-margin-top: 100px; }
.policy-document section + section { margin-top: 52px; padding-top: 48px; border-top: 1px solid var(--line); }
.policy-document h2 { margin: 0 0 16px; color: var(--ink); font-size: clamp(24px, 3vw, 31px); line-height: 1.25; letter-spacing: -0.05em; }
.policy-document h3 { margin: 28px 0 8px; color: var(--ink); font-size: 16px; letter-spacing: -0.025em; }
.policy-document p { margin: 0 0 14px; color: var(--ink-soft); font-size: 14px; line-height: 1.9; }
.policy-document p:last-child { margin-bottom: 0; }
.policy-callout { display: grid; gap: 6px; margin-top: 25px; padding: 18px 20px; border-left: 3px solid var(--blue); border-radius: 0 16px 16px 0; background: var(--blue-wash); }
.policy-callout strong { font-size: 15px; }
.policy-callout span { color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.policy-contact { display: grid; grid-template-columns: minmax(90px, 0.35fr) 1fr; gap: 0; margin: 24px 0; border-top: 1px solid var(--line); }
.policy-contact span, .policy-contact strong { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.policy-contact span { color: var(--ink-faint); }
.policy-contact strong { color: var(--ink); font-weight: 600; overflow-wrap: anywhere; }
.inline-link { color: var(--blue-deep); font-weight: 700; text-decoration: underline; text-decoration-color: rgba(20, 122, 243, 0.32); text-underline-offset: 3px; }
.policy-disclaimer, .policy-placeholder { padding: 16px 18px; border-radius: 14px; background: rgba(17, 24, 39, 0.045); color: var(--ink-faint) !important; font-size: 12px !important; line-height: 1.75 !important; }
.policy-placeholder { margin-top: 22px !important; }
.support-contact { margin-top: 25px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 650ms ease, transform 650ms ease; }
.reveal-delay-1 { transition-delay: 90ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  .site-header, .section-grid, .section-block, .signal-row, .site-footer, .policy-main { width: min(calc(100% - 38px), var(--max-width)); }
  .section-grid { grid-template-columns: 1fr 1fr; }
  .hero { min-height: 590px; gap: 10px; }
  .hero-copy { padding-block: 15px; }
  h1 { font-size: clamp(46px, 7vw, 68px); }
  .hero-lede { font-size: 15px; }
  .hero-visual { min-height: 500px; }
  .device-iphone { width: 245px; }
  .floating-note-top { right: -10px; }
  .floating-note-bottom { left: -10px; }
  .signal-row { margin-bottom: 88px; }
  .privacy-card { gap: 42px; padding: 52px; }
  .policy-main { max-width: 1040px; }
  .policy-document { padding: 44px 42px; }
  .download-card { padding-inline: 56px; }
  .download-mark { width: 180px; height: 180px; }
}

@media (max-width: 760px) {
  .site-header, .section-grid, .section-block, .signal-row, .site-footer, .policy-main { width: min(calc(100% - 32px), var(--max-width)); }
  .site-header { height: 72px; }
  .site-header.is-scrolled { width: calc(100% - 12px); padding-inline: 14px; }
  .brand-mark { width: 35px; height: 35px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy span { font-size: 10px; }
  .mobile-menu-button { display: grid; place-content: center; gap: 5px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: #fff; box-shadow: 0 7px 16px rgba(30, 48, 76, 0.08); cursor: pointer; }
  .mobile-menu-button span { display: block; width: 16px; height: 1.5px; border-radius: 99px; background: var(--ink); transition: transform 160ms ease; }
  .mobile-menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .mobile-menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .site-navigation { display: none; position: absolute; top: 66px; left: 0; right: 0; gap: 6px; padding: 10px; border: 1px solid rgba(255, 255, 255, 0.9); border-radius: 18px; background: rgba(255, 255, 255, 0.9); box-shadow: var(--shadow-soft); backdrop-filter: blur(18px); }
  .site-navigation.is-open { display: grid; }
  .site-navigation a { padding: 12px 13px; border-radius: 11px; }
  .site-navigation a:hover { background: var(--paper); }
  .site-navigation .nav-cta { text-align: center; }
  .section-grid { grid-template-columns: 1fr; }
  .hero { min-height: 0; padding-block: 58px 80px; }
  .hero-copy { padding: 0; }
  h1 { max-width: 430px; font-size: clamp(46px, 14vw, 67px); }
  .hero-lede { max-width: 520px; font-size: 15px; }
  .hero-visual { min-height: 540px; margin-top: 8px; }
  .device-iphone { width: 260px; }
  .floating-note { transform: scale(0.9); }
  .floating-note-top { top: 14%; right: -4px; }
  .floating-note-bottom { bottom: 7%; left: -4px; }
  .signal-row { grid-template-columns: repeat(3, 1fr); margin-bottom: 88px; padding-block: 15px; }
  .signal-row > div { gap: 7px; padding-left: 0; border-right: 0; }
  .signal-row > div:not(:first-child) { justify-content: center; }
  .signal-row strong { font-size: 24px; }
  .signal-row span { font-size: 9px; }
  .signal-row p { display: none; }
  .section-block { margin-bottom: 100px; }
  .feature-grid { grid-template-columns: 1fr; gap: 13px; }
  .feature-card { min-height: 0; padding: 26px; }
  .feature-icon { margin-bottom: 30px; }
  .feature-card > p:not(.card-index) { min-height: 0; }
  .workflow { grid-template-columns: 1fr; gap: 42px; }
  .workflow-copy { padding-left: 0; }
  .preview-panel { padding: 15px 15px 13px; }
  .preview-stage { min-height: 420px; }
  .preview-stage:has(.device-preview-ipad) { min-height: 430px; }
  .device-preview { width: 166px; }
  .device-preview-ipad { width: 320px; }
  .privacy-card { grid-template-columns: 1fr; gap: 35px; padding: 24px; }
  .privacy-actions { align-items: flex-start; flex-direction: column; gap: 12px; }
  .privacy-art { min-height: 230px; }
  .download-card { min-height: 0; padding: 40px 27px; }
  .download-mark { display: none; }
  .site-footer { flex-wrap: wrap; gap: 16px; }
  .site-footer p { order: 3; width: 100%; }
  .footer-links { margin-left: auto; }
  .footer-top { margin-left: 0; }
  .policy-hero { padding: 56px 0 34px; }
  .policy-hero > p:not(.eyebrow) { font-size: 15px; }
  .policy-layout { grid-template-columns: 1fr; gap: 22px; }
  .policy-nav { position: static; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 15px; padding: 0; }
  .policy-nav p { width: 100%; margin-bottom: 2px; }
  .policy-nav a { padding: 4px 0; font-size: 11px; }
  .policy-document { padding: 28px 23px; border-radius: 25px; }
  .policy-document section + section { margin-top: 38px; padding-top: 34px; }
  .policy-contact { grid-template-columns: 1fr; }
  .policy-contact span { padding-bottom: 4px; border-bottom: 0; }
  .policy-contact strong { padding-top: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}