:root {
  --canvas: #f4f1ea;
  --surface: #fbf9f4;
  --paper: #ffffff;
  --ink: #151515;
  --muted: #6e6a63;
  --metal: #a58a62;
  --line: #d9d4cb;
  --divider: #d9d4cb;
  --green: #286f46;
  --amber: #8d7042;
  --blue: #48688e;
  --radius-lg: 24px;
  --radius-md: 18px;
  --shadow: 0 14px 34px rgba(29, 25, 18, .045);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --serif: Iowan Old Style, Baskerville, "Songti SC", "STSong", SimSun, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--sans);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; background: var(--canvas); }
body { min-width: 320px; margin: 0; overflow-x: clip; background: var(--canvas); color: var(--ink); font-size: 16px; line-height: 1.62; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--metal); outline-offset: 4px; }
.shell { width: min(1280px, calc(100% - 64px)); margin: 0 auto; }
.sr-only { clip: rect(0, 0, 0, 0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }
.brand { font-family: var(--serif); font-size: 18px; font-weight: 500; letter-spacing: .01em; }
.eyebrow { margin: 0 0 15px; color: var(--muted); font-family: var(--serif); font-size: 12px; font-weight: 500; letter-spacing: .13em; text-transform: uppercase; }
.lead { font-family: var(--serif); font-size: clamp(24px, 3.2vw, 38px); line-height: 1.28; letter-spacing: -.045em; }

.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgba(217, 212, 203, .76); background: rgba(244, 241, 234, .92); backdrop-filter: blur(15px); }
.header-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; }
.site-nav { display: flex; gap: 27px; align-items: center; font-size: 13px; letter-spacing: .035em; }
.site-nav a { position: relative; padding: 8px 0; transition: color 180ms var(--ease-out); }
.site-nav a::after { position: absolute; width: 0; height: 1px; right: 0; bottom: 3px; left: auto; background: currentColor; content: ""; transition: width 220ms var(--ease-out); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { width: 100%; right: auto; left: 0; }
.menu-button { display: none; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; color: inherit; cursor: pointer; }
.menu-button span:not(.sr-only) { display: block; width: 19px; height: 1px; margin: 5px auto; background: currentColor; transition: transform 220ms var(--ease-out), opacity 220ms var(--ease-out); }

.hero { display: flex; min-height: calc(100svh - 76px); padding: clamp(30px, 5vw, 72px) 0; align-items: center; }
.hero-panel { position: relative; display: grid; width: 100%; min-height: min(735px, calc(100svh - 136px)); padding: clamp(40px, 6vw, 82px); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper); box-shadow: var(--shadow); }
.hero-content { position: relative; z-index: 2; display: flex; max-width: 790px; flex-direction: column; align-items: flex-start; justify-content: center; }
.hero h1 { max-width: 790px; margin: 0; font-family: var(--serif); font-size: clamp(54px, 5vw, 72px); font-weight: 500; line-height: 1.02; letter-spacing: -.068em; }
.hero h1 span { display: block; }
.hero-copy { max-width: 520px; margin: 28px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; letter-spacing: -.015em; }
.hero-actions { display: flex; gap: 12px; margin-top: 31px; flex-wrap: wrap; }
.button { display: inline-flex; min-height: 48px; padding: 12px 21px; border: 1px solid var(--ink); border-radius: 999px; align-items: center; justify-content: center; font-size: 14px; letter-spacing: .015em; transition: transform 180ms var(--ease-out), background 180ms var(--ease-out), color 180ms var(--ease-out), border-color 180ms var(--ease-out); }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button-dark { background: var(--ink); color: var(--surface); }
.button-dark:hover { background: #33312d; border-color: #33312d; }
.button-light { background: transparent; }
.button-light:hover { background: var(--canvas); }
.hero-art { position: absolute; z-index: 1; right: clamp(24px, 6vw, 96px); bottom: clamp(170px, 13vw, 220px); width: min(34vw, 450px); aspect-ratio: 1.06; pointer-events: none; }
.hero-orb { position: absolute; border-radius: 50%; }
.hero-orb-soft { width: 76%; height: 76%; top: 0; left: 0; background: #e8e1d5; }
.hero-orb-metal { width: 51%; height: 51%; top: 6%; right: 0; background: var(--metal); }
.hero-arc { position: absolute; width: 92%; height: 42%; bottom: 0; left: -10%; border: clamp(47px, 6vw, 82px) solid var(--ink); border-right: 0; border-bottom: 0; border-radius: 100% 0 0 0; transform: rotate(32deg); transform-origin: center; }
.hero-product-rail { position: relative; z-index: 2; display: grid; align-self: end; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-top: 60px; }
.hero-product-chip { min-height: 106px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(251, 249, 244, .72); backdrop-filter: blur(9px); transition: transform 260ms var(--ease-out), border-color 260ms var(--ease-out), background 260ms var(--ease-out); }
.hero-product-chip:hover { transform: translateY(-3px); border-color: #aaa197; background: var(--surface); }
.hero-product-chip strong { display: block; margin-bottom: 10px; font-family: var(--serif); font-size: 16px; font-weight: 500; line-height: 1.1; letter-spacing: -.02em; }
.hero-product-chip span { color: var(--metal); font-size: 12px; }

.section { padding: clamp(95px, 12vw, 174px) 0; }
.section-soft { background: var(--surface); }
.section-heading { display: flex; max-width: 820px; margin-bottom: 52px; flex-direction: column; gap: 3px; }
.section-heading h2, .belief-copy h2, .support-hero h1, .document-hero h1 { max-width: 760px; margin: 0; font-family: var(--serif); font-size: clamp(44px, 5.7vw, 76px); font-weight: 500; line-height: 1.02; letter-spacing: -.07em; }
.section-heading p:last-child { max-width: 550px; margin: 19px 0 0; color: var(--muted); font-size: 16px; line-height: 1.7; }

.product-card { display: flex; min-height: 380px; padding: 37px; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); transition: transform 260ms var(--ease-out), border-color 260ms var(--ease-out), box-shadow 260ms var(--ease-out); }
.product-card:hover { transform: translateY(-3px); border-color: #aaa197; box-shadow: 0 18px 40px rgba(29, 25, 18, .07); }
.product-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.product-card h3 { margin: 0 0 13px; font-family: var(--serif); font-size: clamp(34px, 3vw, 48px); font-weight: 500; line-height: 1; letter-spacing: -.06em; }
.product-card p { margin: 0; color: #514e48; }
.product-card .eyebrow { margin-bottom: 0; }
.product-card .card-tagline { max-width: 360px; margin-bottom: 19px; color: var(--ink); font-family: var(--serif); font-size: 20px; line-height: 1.3; letter-spacing: -.038em; }
.product-card.is-featured { min-height: 500px; padding: clamp(40px, 6vw, 74px); background: var(--ink); color: var(--surface); border-color: var(--ink); }
.product-card.is-featured:hover { border-color: var(--ink); box-shadow: 0 19px 42px rgba(21, 21, 21, .16); }
.product-card.is-featured p { color: rgba(251, 249, 244, .67); }
.product-card.is-featured .eyebrow, .product-card.is-featured .card-tagline { color: var(--surface); }
.product-card.is-featured h3 { font-size: clamp(52px, 7vw, 88px); }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.text-link { display: inline-flex; gap: 7px; align-items: center; width: fit-content; font-size: 14px; letter-spacing: .015em; }
.text-link span { transition: transform 180ms var(--ease-out); }
.text-link:hover span { transform: translateX(4px); }
.status { display: inline-flex; padding: 5px 9px; border-radius: 999px; font-size: 12px; letter-spacing: -.01em; white-space: nowrap; }
.status-testing { color: var(--blue); background: #e9eef5; }
.status-live { color: var(--green); background: #e7f1e9; }
.status-building { color: #80653c; background: #f1e8d8; }
.status-review { color: #67635b; background: #eeebe5; }
.product-card.is-featured .status { color: #ede8dc; background: rgba(255, 255, 255, .12); }

.belief-layout { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(280px, .82fr); gap: clamp(45px, 10vw, 165px); align-items: end; }
.belief-copy p { max-width: 560px; color: var(--muted); font-size: 17px; line-height: 1.75; }
.principles { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--divider); }
.principles li { display: grid; padding: 20px 0; grid-template-columns: 42px 1fr; border-bottom: 1px solid var(--divider); gap: 14px; }
.principles span { color: var(--metal); font-family: var(--serif); font-size: 14px; }
.principles strong { display: block; font-family: var(--serif); font-size: 21px; font-weight: 500; letter-spacing: -.035em; }
.principles p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.support-band { display: flex; min-height: 360px; padding: clamp(36px, 7vw, 78px); align-items: flex-end; justify-content: space-between; gap: 28px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #e8e1d5; }
.support-band h2 { max-width: 720px; margin: 0; font-family: var(--serif); font-size: clamp(42px, 5.3vw, 70px); font-weight: 500; line-height: 1.02; letter-spacing: -.075em; }

.product-hero { display: grid; min-height: 620px; padding: clamp(106px, 15vw, 185px) 0 95px; grid-template-columns: 1.16fr .84fr; align-items: end; gap: 56px; }
.product-heading { display: flex; align-items: center; gap: 15px; flex-wrap: wrap; }
.product-heading h1 { margin: 0; font-family: var(--serif); font-size: clamp(58px, 8vw, 108px); font-weight: 500; line-height: .94; letter-spacing: -.085em; }
.product-hero .lead { max-width: 630px; margin: 27px 0 0; }
.product-summary { max-width: 390px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.7; }
.product-details { display: grid; margin-bottom: clamp(90px, 11vw, 150px); grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--divider); }
.product-details article { min-height: 270px; padding: 40px 40px 46px 0; border-bottom: 1px solid var(--divider); }
.product-details article:nth-child(odd) { padding-right: 80px; }
.product-details h2 { margin: 0; font-family: var(--serif); font-size: clamp(28px, 3.4vw, 44px); font-weight: 500; line-height: 1.18; letter-spacing: -.05em; }
.product-details p:not(.eyebrow) { margin: 0; color: #514e48; font-size: 16px; line-height: 1.7; }
.product-details ul { display: grid; margin: 0; padding: 0; gap: 9px; list-style: none; }
.product-details li { position: relative; padding-left: 18px; }
.product-details li::before { position: absolute; width: 5px; height: 5px; top: .67em; left: 0; border-radius: 50%; background: var(--metal); content: ""; }
.detail-note { margin-top: 18px !important; font-size: 14px !important; }
.product-contact { display: flex; margin-bottom: clamp(88px, 11vw, 145px); padding: clamp(35px, 5vw, 66px); align-items: center; justify-content: space-between; gap: 32px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.product-contact h2 { margin: 0; font-family: var(--serif); font-size: clamp(34px, 4vw, 52px); font-weight: 500; letter-spacing: -.065em; line-height: 1.04; }
.product-contact p:last-child { margin: 16px 0 0; color: var(--muted); }

.document-shell { max-width: 860px; padding: clamp(112px, 14vw, 168px) 0 clamp(92px, 12vw, 145px); }
.document-hero { max-width: 720px; margin-bottom: 72px; }
.document-hero .lead { margin: 24px 0 0; color: var(--muted); }
.document-content { display: grid; gap: 45px; }
.document-content h2 { margin: 0 0 14px; font-family: var(--serif); font-size: 30px; font-weight: 500; letter-spacing: -.05em; }
.document-content p, .document-content li { color: #514e48; }
.document-content ul { margin: 0; padding-left: 22px; }
.notice { padding: 20px 22px; border-left: 2px solid var(--metal); background: var(--surface); color: #514e48; }
.support-hero { max-width: 790px; padding: clamp(112px, 15vw, 170px) 0 82px; }
.support-hero .lead { max-width: 630px; margin: 24px 0 0; color: var(--muted); }
.support-grid { display: grid; padding-bottom: clamp(90px, 12vw, 155px); grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.support-card { min-height: 272px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); transition: transform 260ms var(--ease-out), border-color 260ms var(--ease-out); }
.support-card:hover { transform: translateY(-3px); border-color: #aaa197; }
.support-card h2 { margin: 0 0 12px; font-family: var(--serif); font-size: 30px; font-weight: 500; letter-spacing: -.055em; }
.support-card p { margin: 0; color: var(--muted); }

.site-footer { background: var(--ink); color: #efebe1; }
.footer-grid { display: grid; padding: 38px 0; grid-template-columns: 1fr auto auto; align-items: end; gap: 40px; font-size: 13px; }
.footer-brand { display: inline-block; margin-bottom: 6px; }
.site-footer p { margin: 0; color: rgba(239, 235, 225, .6); }
.footer-links { display: flex; gap: 20px; color: rgba(239, 235, 225, .88); }
.footer-links a { transition: color 180ms var(--ease-out); }
.footer-links a:hover { color: var(--metal); }
.footer-meta { display: flex; color: rgba(239, 235, 225, .6); flex-direction: column; align-items: flex-end; gap: 5px; text-align: right; }
.footer-meta a { color: rgba(239, 235, 225, .86); text-decoration: underline; text-decoration-color: rgba(239, 235, 225, .35); text-underline-offset: 3px; }
.public-security-record { display: inline-flex; width: fit-content; align-items: center; gap: 6px; white-space: nowrap; }
.public-security-icon { display: block; width: 16px; height: auto; flex: 0 0 auto; }

.reveal { animation: stage-in 720ms var(--ease-out) both; }
.reveal-delay-1 { animation-delay: 120ms; }
.reveal-delay-2 { animation-delay: 220ms; }
@keyframes stage-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 900px) {
  .hero { min-height: auto; }
  .hero-panel { min-height: 680px; }
  .hero-product-rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-product-chip:nth-child(n + 4) { display: none; }
  .product-hero, .belief-layout { grid-template-columns: 1fr; }
  .product-hero { min-height: 0; }
  .product-summary { max-width: 600px; }
  .product-details article:nth-child(odd) { padding-right: 40px; }
  .support-band { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 36px, 1280px); }
  .site-header { backdrop-filter: none; }
  .header-inner { min-height: 66px; }
  .menu-button { position: relative; z-index: 22; display: block; }
  .site-nav { position: fixed; z-index: 18; inset: 0; display: flex; padding: 106px 36px 40px; background: var(--ink); color: var(--surface); flex-direction: column; align-items: flex-start; gap: 24px; font-family: var(--serif); font-size: 31px; font-weight: 500; letter-spacing: -.04em; opacity: 0; pointer-events: none; transform: translateY(-12px); transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out); }
  .site-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav a { padding: 0; }
  .site-nav a::after { bottom: -6px; }
  body.menu-open .site-header { border-bottom-color: transparent; background: var(--ink); color: var(--surface); }
  body.menu-open .menu-button span:nth-child(2) { transform: translateY(6px) rotate(45deg); }
  body.menu-open .menu-button span:nth-child(3) { transform: translateY(-.5px) rotate(-45deg); }
  .hero { padding: 18px 0 28px; }
  .hero-panel { min-height: calc(100svh - 102px); padding: 34px 28px 26px; border-radius: 20px; }
  .hero-content { justify-content: flex-start; }
  .hero h1 { max-width: 330px; margin-top: clamp(64px, 14svh, 114px); font-size: clamp(46px, 13.4vw, 56px); line-height: 1.06; letter-spacing: -.078em; }
  .hero h1 span { display: inline; }
  .hero-copy { max-width: 290px; margin-top: 23px; font-size: 15px; line-height: 1.68; }
  .hero-actions { margin-top: 26px; }
  .button { min-height: 46px; padding: 11px 18px; }
  .hero-art { display: none; }
  .hero-product-rail { grid-template-columns: 1fr; align-self: end; gap: 10px; margin-top: 25px; }
  .hero-product-chip { display: none; min-height: 91px; padding: 16px; }
  .hero-product-chip:first-child { display: block; }
  .hero-product-chip strong { margin-bottom: 7px; }
  .section { padding: 92px 0; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .belief-copy h2, .support-hero h1, .document-hero h1 { font-size: clamp(43px, 12vw, 58px); line-height: 1.05; letter-spacing: -.072em; }
  .section-heading p:last-child { margin-top: 16px; font-size: 15px; }
  .product-card, .product-card.is-featured { min-height: 350px; padding: 28px; border-radius: 20px; }
  .product-card.is-featured { min-height: 410px; }
  .product-card h3 { font-size: 40px; }
  .product-card.is-featured h3 { font-size: 61px; }
  .product-card .card-tagline { font-size: 19px; }
  .product-grid, .support-grid, .product-details { grid-template-columns: 1fr; }
  .product-details { margin-bottom: 82px; }
  .product-details article, .product-details article:nth-child(odd) { min-height: 0; padding: 29px 0; }
  .product-hero { padding: 105px 0 65px; gap: 28px; }
  .product-heading h1 { font-size: clamp(56px, 15vw, 75px); }
  .product-hero .lead { margin-top: 22px; font-size: 28px; }
  .product-contact { margin-bottom: 85px; padding: 31px 28px; align-items: flex-start; flex-direction: column; border-radius: 20px; }
  .support-band { min-height: 350px; padding: 31px 28px; border-radius: 20px; }
  .support-band h2 { font-size: 46px; }
  .support-hero, .document-shell { padding-top: 105px; padding-bottom: 82px; }
  .document-hero { margin-bottom: 52px; }
  .document-content { gap: 37px; }
  .support-grid { padding-bottom: 88px; }
  .support-card { min-height: 0; padding: 29px 27px; border-radius: 18px; }
  .footer-grid { padding: 35px 0; grid-template-columns: 1fr; gap: 24px; align-items: start; }
  .footer-links { gap: 18px; flex-wrap: wrap; }
  .footer-meta { align-items: flex-start; text-align: left; }
}

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