:root {
  --navy: #071521;
  --navy-soft: #0d2231;
  --ink: #13232c;
  --ivory: #f3efe7;
  --paper: #fbfaf7;
  --gold: #c8a978;
  --gold-light: #ead9b8;
  --line: rgba(20, 41, 52, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans HK", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.announcement {
  padding: 9px 20px;
  background: var(--gold);
  color: var(--navy);
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}
.site-header {
  height: 78px;
  padding: 0 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251,250,247,.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 38px; height: 38px;
  border: 1px solid var(--gold);
  border-radius: 50% 50% 48% 48%;
  display: grid; place-items: center;
  color: var(--gold);
  position: relative;
}
.logo-mark::after {
  content: ""; position: absolute; width: 17px; height: 1px;
  background: currentColor; bottom: 7px; transform: rotate(-18deg);
}
.logo-mark span { font-family: "Noto Serif TC"; font-size: 18px; transform: translateY(-2px); }
.wordmark { display: grid; line-height: 1; gap: 4px; }
.wordmark strong { font-family: "Noto Serif TC"; font-size: 20px; letter-spacing: .18em; }
.wordmark small { color: #758089; font-size: 8px; letter-spacing: .38em; }
nav { display: flex; gap: 34px; font-size: 13px; font-weight: 600; }
nav a:hover { color: #916f3f; }
.button {
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: .06em;
  transition: .25s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--gold); color: var(--navy); }
.button.ghost { border-color: rgba(243,239,231,.3); color: var(--ivory); }
.header-cta { min-height: 40px; background: var(--navy); color: white; font-size: 12px; }
.menu-button { display: none; }
.hero {
  min-height: calc(100svh - 110px);
  padding: 8vw 6vw 7vw;
  background:
    radial-gradient(circle at 70% 45%, rgba(200,169,120,.18), transparent 25%),
    linear-gradient(135deg, #071521 0%, #0b2130 100%);
  color: var(--ivory);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
}
.hero-copy { max-width: 610px; position: relative; z-index: 2; }
.eyebrow {
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
}
h1,h2 { margin: 0; font-family: "Noto Serif TC"; font-weight: 600; }
h1 { font-size: clamp(58px, 7vw, 104px); line-height: 1.12; letter-spacing: .05em; }
h1 em { color: var(--gold-light); font-style: normal; }
.hero-lead { max-width: 520px; margin: 28px 0; color: rgba(243,239,231,.72); font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; }
.trust-row { display: flex; gap: 24px; margin-top: 35px; color: rgba(243,239,231,.58); font-size: 11px; letter-spacing: .08em; }
.trust-row span::before { content: "·"; color: var(--gold); margin-right: 8px; }
.hero-visual { min-height: 600px; position: relative; display: grid; place-items: center; }
.hero-visual img { position: relative; z-index: 2; width: min(100%, 650px); mix-blend-mode: screen; filter: saturate(.8) contrast(1.05); }
.image-halo { position: absolute; width: 450px; height: 450px; border-radius: 50%; border: 1px solid rgba(200,169,120,.2); }
.image-halo::before, .image-halo::after { content: ""; position: absolute; inset: 38px; border: 1px solid rgba(200,169,120,.11); border-radius: 50%; }
.image-halo::after { inset: 78px; }
.floating-note { position: absolute; z-index: 3; padding: 12px 16px; border: 1px solid rgba(255,255,255,.15); border-radius: 10px; background: rgba(7,21,33,.68); backdrop-filter: blur(12px); display: grid; gap: 4px; }
.floating-note small { color: var(--gold); font-size: 9px; letter-spacing: .14em; }
.floating-note strong { font-size: 12px; letter-spacing: .08em; }
.note-one { top: 24%; left: 4%; }
.note-two { right: 0; bottom: 25%; }
.manifesto { padding: 110px 20px; text-align: center; background: var(--ivory); }
.manifesto h2 { margin: 16px auto 22px; font-size: clamp(32px, 4vw, 56px); color: var(--navy); }
.manifesto p:last-child { max-width: 650px; margin: auto; color: #667178; line-height: 2; font-size: 15px; }
.section { padding: 110px 6vw; }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 55px; }
.section-heading h2, .how-copy h2, .buy h2 { font-size: clamp(36px, 4vw, 58px); color: var(--navy); line-height: 1.25; }
.section-heading.centered { display: block; text-align: center; }
.benefits { background: var(--paper); }
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.benefit-grid article { padding: 42px 40px 30px 0; border-right: 1px solid var(--line); }
.benefit-grid article:not(:first-child) { padding-left: 40px; }
.benefit-grid .number { color: var(--gold); font-family: serif; }
.benefit-grid h3 { margin-top: 70px; font-family: "Noto Serif TC"; font-size: 26px; }
.benefit-grid p, .care-grid p { color: #69747a; line-height: 1.8; font-size: 14px; }
.how { background: var(--navy); color: var(--ivory); display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: center; }
.how-visual { min-height: 570px; display: grid; place-items: center; position: relative; }
.orb { position: absolute; width: 460px; height: 460px; border-radius: 50%; background: radial-gradient(circle at 50% 40%, #d7bc8a, #5b4a36 55%, transparent 70%); opacity: .45; filter: blur(2px); }
.bottle-silhouette { width: 145px; height: 370px; border-radius: 23px 23px 28px 28px; background: linear-gradient(105deg, #07121d, #143245 55%, #081620); box-shadow: 0 40px 80px rgba(0,0,0,.4); position: relative; z-index: 2; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.1); }
.cap { position: absolute; width: 90px; height: 65px; top: -55px; border-radius: 10px 10px 3px 3px; background: linear-gradient(90deg, #93794f, #d3b986, #897047); }
.bottle-label { font-family: "Noto Serif TC"; font-size: 34px; color: var(--gold-light); letter-spacing: .12em; display: grid; gap: 12px; text-align: center; }
.bottle-label small { font-family: sans-serif; font-size: 8px; letter-spacing: .4em; }
.how-copy h2 { color: var(--ivory); margin: 10px 0 45px; }
.how ol { list-style: none; padding: 0; margin: 0; }
.how li { display: flex; gap: 20px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.12); }
.how li > span { color: var(--gold); font-family: serif; font-size: 24px; }
.how li strong { font-family: "Noto Serif TC"; font-size: 18px; }
.how li p { margin: 8px 0 0; color: rgba(243,239,231,.55); font-size: 13px; }
.microcopy { color: #7b878d; font-size: 10px; line-height: 1.7; }
.how .microcopy { color: rgba(243,239,231,.35); }
.care { background: var(--ivory); }
.care-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.care-grid article { padding: 35px 30px; background: rgba(255,255,255,.48); border: 1px solid rgba(255,255,255,.7); }
.icon { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 50%; background: var(--navy); color: var(--gold); font-family: "Noto Serif TC"; }
.care-grid h3 { font-family: "Noto Serif TC"; margin-top: 35px; }
.intro-graphic { background: var(--navy-soft); color: var(--ivory); }
.intro-graphic .section-heading h2 { color: var(--ivory); }
.intro-graphic img { display: block; width: min(100%, 750px); margin: auto; box-shadow: 0 40px 90px rgba(0,0,0,.28); }
.buy { display: grid; grid-template-columns: 1.3fr .7fr; gap: 60px; background: var(--paper); }
.buy-copy { max-width: 680px; }
.buy-copy > p { color: #69747a; }
.price { margin: 35px 0 25px; padding: 20px 0; border-block: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.price strong { font-family: "Noto Serif TC"; font-size: 38px; color: var(--navy); }
.price span { color: #748087; font-size: 12px; }
.quantity { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 14px; }
.quantity button { padding: 13px; border: 1px solid var(--line); background: transparent; border-radius: 8px; cursor: pointer; }
.quantity button.active { border-color: var(--gold); background: rgba(200,169,120,.12); }
.wide { width: 100%; border-radius: 8px; }
.buy-reassurance { background: var(--navy); color: var(--ivory); padding: 20px 38px; align-self: stretch; display: grid; align-content: center; }
.buy-reassurance div { padding: 25px 0; display: grid; gap: 6px; border-bottom: 1px solid rgba(255,255,255,.12); }
.buy-reassurance div:last-child { border: 0; }
.buy-reassurance strong { color: var(--gold-light); font-family: "Noto Serif TC"; }
.buy-reassurance span { font-size: 12px; color: rgba(243,239,231,.55); }
.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; background: var(--ivory); }
.faq .section-heading { display: block; }
details { border-top: 1px solid rgba(20,41,52,.18); padding: 22px 0; }
details:last-child { border-bottom: 1px solid rgba(20,41,52,.18); }
summary { cursor: pointer; font-family: "Noto Serif TC"; font-weight: 700; list-style: none; display: flex; justify-content: space-between; }
summary::after { content: "+"; color: var(--gold); }
details[open] summary::after { content: "−"; }
details p { color: #68737a; font-size: 13px; line-height: 1.9; max-width: 700px; }
footer { padding: 60px 6vw 35px; background: #051019; color: rgba(243,239,231,.55); text-align: center; }
.footer-brand { justify-content: center; color: var(--ivory); margin-bottom: 20px; }
footer > p { font-family: "Noto Serif TC"; color: var(--gold-light); font-size: 20px; }
.footer-links { display: flex; justify-content: center; gap: 28px; margin: 30px 0; font-size: 12px; }
footer small { font-size: 9px; }
.age-gate { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: 20px; background: rgba(5,16,25,.92); backdrop-filter: blur(15px); }
.age-gate.visible { display: grid; }
.age-card { width: min(100%, 430px); padding: 55px 45px; background: var(--ivory); text-align: center; border: 1px solid var(--gold); }
.age-card .logo-mark { margin: auto; color: var(--navy); }
.logo-mark.small { width: 48px; height: 48px; }
.age-card h2 { font-size: 30px; margin: 15px 0; }
.age-card p:not(.eyebrow) { color: #6d787e; font-size: 13px; }
.age-card .button { width: 100%; margin: 18px 0 13px; }
.text-link { color: #78838a; font-size: 11px; text-decoration: underline; }
.toast { position: fixed; z-index: 50; left: 50%; bottom: 25px; transform: translate(-50%, 30px); opacity: 0; background: var(--navy); color: white; padding: 13px 22px; border: 1px solid var(--gold); font-size: 11px; transition: .25s; pointer-events: none; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.mobile-buy { display: none; }
.purchase-modal { position: fixed; inset: 0; z-index: 90; padding: 20px; background: rgba(5,16,25,.88); backdrop-filter: blur(14px); display: none; place-items: center; }
.purchase-modal.visible { display: grid; }
.purchase-card { width: min(100%, 470px); padding: 48px 42px 35px; background: var(--ivory); border: 1px solid var(--gold); text-align: center; position: relative; }
.purchase-card .logo-mark { margin: 0 auto 18px; color: var(--navy); }
.purchase-card h2 { margin: 12px 0 15px; font-size: 30px; }
.purchase-card > p:not(.eyebrow) { color: #68747a; font-size: 13px; line-height: 1.85; }
.modal-close { position: absolute; right: 16px; top: 12px; border: 0; background: transparent; color: #7d878d; font-size: 26px; cursor: pointer; }
.modal-order { margin: 22px 0 14px; padding: 15px; border: 1px solid var(--line); background: rgba(255,255,255,.45); color: var(--navy); font-size: 12px; font-weight: 700; }
.modal-secondary { margin-top: 15px; border: 0; background: transparent; color: #78838a; text-decoration: underline; cursor: pointer; font-size: 11px; }
.social-page { min-height: 100svh; background: var(--navy); color: var(--ivory); }
.social-shell { width: min(100%, 560px); min-height: 100svh; margin: auto; background: linear-gradient(180deg, #081927, #071521); overflow: hidden; }
.social-brand { height: 78px; padding: 0 24px; display: flex; align-items: center; gap: 10px; }
.social-brand .wordmark strong { color: var(--ivory); }
.social-image { height: 44svh; min-height: 330px; position: relative; overflow: hidden; }
.social-image::after { content: ""; position: absolute; inset: auto 0 0; height: 40%; background: linear-gradient(transparent, var(--navy)); }
.social-image img { width: 100%; height: 100%; object-fit: cover; object-position: center 58%; }
.social-copy { padding: 0 24px 42px; position: relative; z-index: 2; margin-top: -22px; }
.social-copy h1 { font-size: clamp(42px, 12vw, 64px); line-height: 1.25; }
.social-copy h1 em { color: var(--gold-light); font-style: normal; }
.social-copy > p:not(.eyebrow):not(.microcopy) { color: rgba(243,239,231,.68); line-height: 1.9; font-size: 14px; }
.social-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.social-points span { padding: 8px 12px; border: 1px solid rgba(200,169,120,.35); border-radius: 999px; color: var(--gold-light); font-size: 10px; }
.social-cta { width: 100%; border-radius: 8px; }
.share-tip { width: 100%; margin-top: 10px; padding: 13px; border: 1px solid rgba(243,239,231,.22); border-radius: 8px; background: transparent; color: var(--ivory); cursor: pointer; }
.social-copy .microcopy { color: rgba(243,239,231,.35); text-align: center; margin-top: 18px; }
.share-overlay { display: none; position: fixed; inset: 0; z-index: 80; padding: 24px; background: rgba(5,16,25,.9); align-items: start; justify-content: center; text-align: center; }
.share-overlay.show { display: flex; }
.share-overlay div { width: min(100%, 380px); margin-top: 15svh; padding: 32px; background: var(--ivory); color: var(--navy); border: 1px solid var(--gold); }
.share-overlay p { color: #69747a; font-size: 13px; line-height: 1.8; }
.share-overlay button { padding: 10px 28px; border: 0; border-radius: 999px; background: var(--gold); color: var(--navy); cursor: pointer; }

@media (max-width: 900px) {
  .site-header { height: 66px; }
  nav, .header-cta { display: none; }
  .menu-button { display: block; border: 0; background: none; font-size: 12px; }
  nav.open { position: fixed; inset: 98px 0 auto; display: grid; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); }
  nav.open a { padding: 18px 6vw; border-top: 1px solid var(--line); }
  .hero { min-height: auto; padding: 70px 6vw 20px; grid-template-columns: 1fr; }
  h1 { font-size: clamp(52px, 15vw, 76px); }
  .hero-visual { min-height: 390px; margin-top: 35px; }
  .hero-visual img { max-width: 430px; }
  .image-halo { width: 300px; height: 300px; }
  .floating-note { display: none; }
  .trust-row { flex-wrap: wrap; gap: 10px; }
  .section { padding: 75px 6vw; }
  .section-heading { display: block; margin-bottom: 35px; }
  .benefit-grid, .care-grid { grid-template-columns: 1fr 1fr; }
  .benefit-grid article, .benefit-grid article:not(:first-child) { padding: 28px 20px 28px 0; }
  .benefit-grid h3 { margin-top: 30px; }
  .how { grid-template-columns: 1fr; }
  .how-visual { min-height: 430px; }
  .orb { width: 340px; height: 340px; }
  .bottle-silhouette { transform: scale(.8); }
  .buy, .faq { grid-template-columns: 1fr; gap: 35px; }
  .buy-reassurance { padding: 15px 28px; }
}

@media (max-width: 560px) {
  .announcement { font-size: 9px; }
  .wordmark strong { font-size: 17px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .manifesto { padding: 75px 6vw; }
  .benefit-grid, .care-grid { grid-template-columns: 1fr; }
  .benefit-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
  .care-grid article { padding: 28px; }
  .price { align-items: start; gap: 8px; flex-direction: column; }
  .quantity { grid-template-columns: 1fr 1fr 1fr; }
  .mobile-buy { display: block; position: fixed; z-index: 25; bottom: 12px; left: 12px; right: 12px; padding: 15px; border-radius: 8px; text-align: center; background: var(--gold); color: var(--navy); font-size: 12px; font-weight: 700; box-shadow: 0 10px 40px rgba(0,0,0,.2); }
  footer { padding-bottom: 90px; }
}
