/* Actone Industries Limited: site styles. Mobile first. */

:root {
  --navy: #0D1B2A;
  --navy-deep: #08121D;
  --steel: #1B2F4A;
  --gold: #C9A96A;
  --gold-text: #7A5F28;
  --silver: #BFC5CC;
  --mist: #EEF0F2;
  --paper: #F6F5F1;
  --slate: #4A5666;
  --white: #FFFFFF;

  --line-light: rgba(13, 27, 42, 0.14);
  --line-dark: rgba(191, 197, 204, 0.2);

  --font-display: "Noto Serif Display", "Noto Serif TC", Georgia, "Times New Roman", serif;
  --font-head: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-zh: "Noto Serif TC", "PMingLiU", "Songti TC", serif;

  --container: 1240px;
  --gutter: 20px;
  --section-y: 88px;
  --header-h: 72px;
  --edge: max(var(--gutter), calc((100vw - var(--container)) / 2));
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 768px) {
  :root { --gutter: 40px; --section-y: 120px; --header-h: 84px; }
}
@media (min-width: 1200px) {
  :root { --gutter: 56px; --section-y: 152px; }
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  background: var(--white);
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, picture { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
p { margin: 0 0 1.1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0; color: var(--navy); font-weight: 400; }
figure { margin: 0; }
address { font-style: normal; }
[lang="zh-Hant"] { font-family: var(--font-zh); font-weight: 600; }
main:focus { outline: none; }
::selection { background: var(--gold); color: var(--navy); }

:focus-visible { outline: 2px solid var(--gold-text); outline-offset: 3px; }
.hero :focus-visible, .section--navy :focus-visible, .cta :focus-visible, .contact-info :focus-visible,
.site-footer :focus-visible, .site-header.is-overlay:not(.is-solid) :focus-visible, .site-nav.is-open :focus-visible { outline-color: var(--gold); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 300;
  background: var(--gold); color: var(--navy); padding: 10px 18px;
  font-weight: 600; text-decoration: none; transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }

/* Type */
.kicker {
  display: flex; align-items: center; gap: 14px; margin: 0 0 28px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.6875rem;
  letter-spacing: 0.26em; text-transform: uppercase; color: var(--navy);
}
.kicker-num { display: inline-flex; align-items: center; gap: 14px; color: var(--gold-text); }
.kicker-num::after { content: ""; width: 36px; height: 1px; background: currentColor; }
.kicker-line { width: 36px; height: 1px; background: var(--gold); }
.kicker-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); }
.kicker--light { color: var(--mist); }
.kicker--light .kicker-num { color: var(--gold); }

.display {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.125rem, 1.35rem + 3.3vw, 3.75rem);
  line-height: 1.08; letter-spacing: -0.015em; color: var(--navy);
  text-wrap: balance;
}
.display em { font-style: italic; color: var(--gold-text); }
.display--light { color: var(--white); }
.display--light em { color: var(--gold); }

.lead {
  font-family: var(--font-display); font-size: clamp(1.25rem, 1.1rem + 0.55vw, 1.5rem);
  line-height: 1.55; color: var(--navy);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 52px; padding: 0 30px;
  font-family: var(--font-head); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  text-decoration: none; border: 1px solid transparent; border-radius: 0;
  cursor: pointer; transition: background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn--sm { min-height: 42px; padding: 0 20px; font-size: 0.6875rem; }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--gold:hover { background: #D8BE88; }
.btn--ghost { border-color: rgba(238, 240, 242, 0.45); color: var(--white); background: transparent; }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { background: var(--steel); }
.btn-arrow { display: inline-block; font-family: var(--font-body); font-size: 1rem; letter-spacing: 0; transition: transform 0.3s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(4px); }
.btn[disabled] { opacity: 0.6; cursor: progress; }

/* Logo */
.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo-mark { width: 34px; height: 34px; flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-word {
  font-family: var(--font-head); font-weight: 600; font-size: 1.0625rem;
  letter-spacing: 0.22em; margin-right: -0.22em; color: var(--white);
}
.logo-sub {
  margin-top: 6px; font-family: var(--font-head); font-weight: 500; font-size: 0.5rem;
  letter-spacing: 0.45em; text-transform: uppercase; color: var(--gold); white-space: nowrap;
}
.logo--dark .logo-word { color: var(--navy); }
.logo--dark .logo-sub { color: var(--gold-text); }
.logo-zh { margin-top: 12px; font-size: 0.875rem; letter-spacing: 0.32em; color: var(--silver); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white); border-bottom: 1px solid var(--line-light);
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.site-header.is-overlay { position: fixed; left: 0; right: 0; background: transparent; border-bottom-color: rgba(238, 240, 242, 0.16); }
.site-header.is-overlay.is-solid { background: rgba(255, 255, 255, 0.97); border-bottom-color: var(--line-light); backdrop-filter: blur(10px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 16px; }

.brand { display: flex; align-items: center; gap: 18px; text-decoration: none; min-width: 0; }
.brand-logo--light { display: none; }
.site-header.is-overlay:not(.is-solid) .brand-logo--light { display: block; }
.site-header.is-overlay:not(.is-solid) .brand-logo--dark { display: none; }
.brand-zh {
  display: none; padding-left: 18px; border-left: 1px solid var(--line-light);
  font-size: 0.8125rem; letter-spacing: 0.24em; color: var(--slate); white-space: nowrap;
}
.site-header.is-overlay:not(.is-solid) .brand-zh { color: var(--silver); border-left-color: rgba(238, 240, 242, 0.25); }
@media (min-width: 420px) { .brand-zh { display: block; } }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-right: -10px; padding: 0;
  background: none; border: 0; cursor: pointer; color: var(--navy);
}
.site-header.is-overlay:not(.is-solid) .nav-toggle { color: var(--white); }
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block; width: 24px; height: 1.5px; background: currentColor;
  transition: transform 0.3s var(--ease), background-color 0.2s;
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -7px; }
.nav-toggle-bars::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  position: fixed; inset: var(--header-h) 0 0 0; overflow-y: auto;
  background: var(--navy); padding: 16px var(--gutter) 40px;
  display: none;
}
.site-nav.is-open { display: block; }
.no-js .site-nav { position: static; display: block; }
.nav-list a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; border-bottom: 1px solid var(--line-dark);
  color: var(--white); text-decoration: none;
  font-family: var(--font-display); font-size: 1.625rem; line-height: 1.2;
}
.nav-list a::after { content: "\2192"; font-family: var(--font-body); font-size: 1rem; color: var(--gold); }
.nav-list a:hover, .nav-list a.is-active { color: var(--gold); }
.nav-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; margin-top: 32px; }
.nav-phone { display: inline-flex; align-items: center; gap: 10px; color: var(--gold); text-decoration: none; font-weight: 500; font-size: 0.9375rem; white-space: nowrap; }
.nav-phone svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linejoin: round; }

@media (min-width: 1140px) {
  .nav-toggle { display: none; }
  .brand-zh { display: none; }
  .nav-list a, .nav-actions .btn { white-space: nowrap; }
  .site-nav {
    position: static; display: flex; align-items: center; gap: 36px;
    overflow: visible; padding: 0; background: none;
  }
  .nav-list { display: flex; gap: 30px; }
  .nav-list a {
    position: relative; display: block; padding: 6px 0; border: 0;
    font-family: var(--font-head); font-size: 0.75rem; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate);
  }
  .nav-list a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
    background: var(--gold); transform: scaleX(0); transform-origin: left;
    transition: transform 0.35s var(--ease);
  }
  .nav-list a:hover, .nav-list a.is-active { color: var(--navy); }
  .nav-list a:hover::after, .nav-list a.is-active::after { transform: scaleX(1); }
  .site-header.is-overlay:not(.is-solid) .nav-list a { color: rgba(238, 240, 242, 0.85); }
  .site-header.is-overlay:not(.is-solid) .nav-list a:hover,
  .site-header.is-overlay:not(.is-solid) .nav-list a.is-active { color: var(--white); }
  .nav-actions { flex-direction: row; align-items: center; margin: 0; gap: 26px; }
  .nav-phone { font-size: 0.8125rem; color: var(--navy); }
  .nav-phone svg { color: var(--gold-text); }
  .site-header.is-overlay:not(.is-solid) .nav-phone { color: var(--white); }
  .site-header.is-overlay:not(.is-solid) .nav-phone svg { color: var(--gold); }
}
@media (min-width: 1140px) and (max-width: 1279px) {
  .nav-list { gap: 22px; }
  .site-nav, .nav-actions { gap: 22px; }
}
@media (min-width: 1380px) { .brand-zh { display: block; } }

/* Sections */
.section { position: relative; padding: var(--section-y) 0; }
.section--mist { background: var(--paper); }
.section--navy { background: var(--navy); color: var(--silver); }

.split-intro { display: grid; gap: 32px; margin-bottom: 64px; }
.split-intro--tight { margin-bottom: 56px; }
.split-intro-body p:not(.lead) { max-width: 34rem; font-size: 1.0625rem; }
@media (min-width: 960px) {
  .split-intro { grid-template-columns: 1.05fr 1fr; gap: 96px; align-items: end; margin-bottom: 96px; }
  .split-intro--tight { grid-template-columns: 1fr; margin-bottom: 80px; }
  .split-intro--tight .display { max-width: 18ch; }
}

/* Hero */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-top: calc(var(--header-h) + 64px);
  background: var(--navy); color: var(--silver);
}
.hero-media, .hero-media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media { z-index: -2; }
.hero-media img { object-fit: cover; object-position: 62% 50%; transform: scale(1.06); animation: hero-zoom 14s var(--ease-out) forwards; }
@keyframes hero-zoom { to { transform: scale(1); } }
.hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(13, 27, 42, 0.88) 0%, rgba(13, 27, 42, 0.62) 50%, rgba(13, 27, 42, 0.35) 100%),
    linear-gradient(180deg, rgba(13, 27, 42, 0.55) 0%, rgba(13, 27, 42, 0) 30%, rgba(13, 27, 42, 0.92) 100%);
}
.hero-zh {
  position: absolute; right: var(--edge); top: calc(var(--header-h) + 56px);
  display: none; margin: 0; writing-mode: vertical-rl;
  font-size: 1rem; letter-spacing: 0.6em; color: rgba(238, 240, 242, 0.8);
}
@media (min-width: 900px) { .hero-zh { display: block; } }
.hero-inner { position: relative; padding-bottom: 56px; }
.hero-kicker { margin-bottom: 32px; white-space: nowrap; }
@media (max-width: 479px) { .hero-kicker .kicker-line { display: none; } }
.hero-title {
  margin: 0 0 40px; color: var(--white);
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.5rem, 1.2rem + 6.9vw, 7.25rem); line-height: 1; letter-spacing: -0.025em;
}
.hero-title .line { display: block; }
.hero-title em { font-style: italic; color: var(--gold); }
.hero-foot { display: grid; gap: 32px; }
.hero-lead { margin: 0; max-width: 36rem; font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem); line-height: 1.75; color: rgba(238, 240, 242, 0.88); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-actions .btn { flex: 1 1 240px; }
@media (min-width: 560px) { .hero-actions .btn { flex: 0 0 auto; } }
@media (min-width: 1024px) {
  .hero-foot { grid-template-columns: 1fr auto; align-items: end; gap: 64px; }
}

.hero-facts { position: relative; border-top: 1px solid rgba(238, 240, 242, 0.16); background: rgba(8, 18, 29, 0.35); backdrop-filter: blur(6px); }
.facts { display: grid; margin: 0; }
.fact { display: flex; flex-direction: column-reverse; gap: 4px; padding: 20px 0; border-bottom: 1px solid rgba(238, 240, 242, 0.12); }
.fact:last-child { border-bottom: 0; }
.fact dd { margin: 0; font-family: var(--font-display); font-size: 1.625rem; line-height: 1.1; color: var(--white); }
.fact dt { font-size: 0.8125rem; letter-spacing: 0.02em; color: var(--silver); }
@media (min-width: 768px) {
  .facts { grid-template-columns: repeat(3, 1fr); }
  .fact { padding: 28px 32px; border-bottom: 0; border-left: 1px solid rgba(238, 240, 242, 0.12); }
  .fact:first-child { border-left: 0; padding-left: 0; }
  .fact dd { font-size: 2rem; }
}

/* About */
.about { padding-bottom: 0; }
.about-feature { position: relative; display: grid; }
.about-photo { overflow: hidden; }
.about-photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.glance {
  position: relative; margin: -48px var(--gutter) 0; padding: 40px 28px 36px;
  background: var(--navy); color: var(--silver);
}
.glance::before { content: ""; position: absolute; left: 0; top: 0; width: 72px; height: 2px; background: var(--gold); }
.glance-title { margin-bottom: 18px; font-family: var(--font-head); font-weight: 600; font-size: 0.6875rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--gold); }
.glance-list li { display: grid; grid-template-columns: 40px 1fr; padding: 18px 0; border-top: 1px solid var(--line-dark); font-family: var(--font-display); font-size: 1.1875rem; line-height: 1.45; color: var(--white); }
.glance-num { font-family: var(--font-head); font-size: 0.75rem; color: var(--gold); padding-top: 5px; }
@media (min-width: 960px) {
  .about-feature { grid-template-columns: minmax(0, 1fr) minmax(0, 480px); padding-right: var(--edge); align-items: end; padding-bottom: var(--section-y); }
  .about-photo img { aspect-ratio: 16 / 10; min-height: 560px; }
  .glance { margin: 0 0 -1px -140px; padding: 56px 52px 48px; transform: translateY(80px); }
}
@media (max-width: 959px) { .about { padding-bottom: var(--section-y); } }

/* Capabilities */
.pillars { display: grid; gap: 72px; }
.pillar { display: grid; gap: 32px; }
.pillar-media { overflow: hidden; }
.pillar-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.pillar:hover .pillar-media img { transform: scale(1.04); }
.pillar-num {
  display: block; margin-bottom: 20px;
  font-family: var(--font-display); font-size: 4.5rem; line-height: 0.9;
  color: transparent; -webkit-text-stroke: 1px var(--gold-text);
}
.pillar-title { margin-bottom: 18px; font-family: var(--font-display); font-size: clamp(1.75rem, 1.4rem + 1.3vw, 2.5rem); line-height: 1.15; }
.pillar-body p { margin: 0; max-width: 30rem; font-size: 1.0625rem; }
.pillar-body { position: relative; padding-top: 28px; border-top: 1px solid var(--line-light); }
.pillar-body::before { content: ""; position: absolute; left: 0; top: -1px; width: 56px; height: 1px; background: var(--gold-text); }
@media (min-width: 900px) {
  .pillars { gap: 120px; }
  .pillar { grid-template-columns: 7fr 5fr; gap: 80px; align-items: center; }
  .pillar--flip { grid-template-columns: 5fr 7fr; }
  .pillar--flip .pillar-media { order: 2; }
  .pillar-media img { aspect-ratio: 3 / 2; }
}

/* Why Actone */
.why { overflow: hidden; }
.why-mark-wrap { position: absolute; inset: 0; pointer-events: none; }
.why-mark { position: absolute; right: -6%; top: 50%; width: min(70vw, 720px); height: auto; transform: translateY(-50%); opacity: 0.04; pointer-events: none; }
.why-grid { position: relative; display: grid; gap: 56px; }
.why-item { display: grid; grid-template-columns: 48px 1fr; gap: 8px; padding: 30px 0; border-top: 1px solid var(--line-dark); }
.why-item:last-child { border-bottom: 1px solid var(--line-dark); }
.why-num { font-family: var(--font-head); font-size: 0.75rem; letter-spacing: 0.1em; color: var(--gold); padding-top: 9px; }
.why-title { margin-bottom: 8px; font-family: var(--font-display); font-size: clamp(1.375rem, 1.2rem + 0.6vw, 1.75rem); line-height: 1.25; color: var(--white); }
.why-item p { margin: 0; max-width: 34rem; color: var(--silver); }
@media (min-width: 960px) {
  .why-grid { grid-template-columns: 5fr 7fr; gap: 96px; align-items: start; }
  .why-head { position: sticky; top: calc(var(--header-h) + 56px); }
  .why-item { grid-template-columns: 72px 1fr; padding: 38px 0; }
}

/* Approach */
.approach-intro { align-items: center; }
.approach-photo { overflow: hidden; }
.approach-photo img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.approach-photo:hover img { transform: scale(1.03); }
@media (min-width: 960px) {
  .approach-intro { grid-template-columns: 5fr 7fr; gap: 80px; }
  .approach-photo { margin-right: calc(var(--edge) * -1); }
  .approach-photo img { aspect-ratio: 16 / 9; }
}

.steps { display: grid; gap: 0; }
.step { position: relative; padding: 0 0 48px 88px; }
.step:last-child { padding-bottom: 0; }
.step-icon {
  position: absolute; left: 0; top: 0;
  display: grid; place-items: center; width: 64px; height: 64px;
  border: 1px solid var(--gold-text); border-radius: 50%; background: var(--white);
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.step-icon svg { width: 30px; height: 30px; fill: none; stroke: var(--gold-text); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.4s var(--ease); }
.step:hover .step-icon { background: var(--navy); border-color: var(--navy); }
.step:hover .step-icon svg { stroke: var(--gold); }
.step-rule { position: absolute; left: 32px; top: 76px; bottom: 12px; width: 1px; background: var(--line-light); }
.step:last-child .step-rule { display: none; }
.step-num { display: block; padding-top: 4px; margin-bottom: 8px; font-family: var(--font-head); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold-text); }
.step-title { margin-bottom: 10px; font-family: var(--font-display); font-size: 1.625rem; line-height: 1.2; }
.step p { margin: 0; max-width: 30rem; }
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: 40px; }
  .step { padding: 0; }
  .step-icon { position: relative; width: 80px; height: 80px; margin-bottom: 32px; }
  .step-icon svg { width: 36px; height: 36px; }
  .step-rule {
    position: absolute; left: 96px; right: -24px; top: 40px; bottom: auto;
    display: block !important; width: auto; height: 1px; background: var(--line-light); overflow: hidden;
  }
  .step:last-child .step-rule { right: 0; }
  .step-rule::after {
    content: ""; position: absolute; inset: 0; background: var(--gold-text);
    transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease-out) 0.3s;
  }
  .step.is-visible .step-rule::after, .no-js .step-rule::after { transform: scaleX(1); }
  .step-num { padding-top: 0; margin-bottom: 12px; }
}

/* Criteria */
.criteria-grid { display: grid; gap: 40px; }
.criteria-intro { margin: 28px 0 0; max-width: 28rem; }
.criteria-photo { overflow: hidden; }
.criteria-photo img { width: 100%; height: 100%; aspect-ratio: 16 / 11; object-fit: cover; object-position: 50% 45%; }
.criteria-list { display: grid; gap: 16px; }
.criteria-card {
  display: flex; flex-direction: column; gap: 28px;
  padding: 28px 24px; background: var(--white); border-top: 2px solid var(--gold-text);
  transition: background-color 0.4s var(--ease);
}
.criteria-card-top { display: flex; align-items: flex-start; justify-content: space-between; }
.criteria-icon { width: 44px; height: 44px; fill: none; stroke: var(--gold-text); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.4s var(--ease); }
.criteria-num { font-family: var(--font-head); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; color: var(--slate); transition: color 0.4s var(--ease); }
.criteria-text { margin-top: auto; font-family: var(--font-display); font-size: 1.3125rem; line-height: 1.4; color: var(--navy); transition: color 0.4s var(--ease); }
.criteria-card:hover { background: var(--navy); }
.criteria-card:hover .criteria-icon { stroke: var(--gold); }
.criteria-card:hover .criteria-text { color: var(--white); }
.criteria-card:hover .criteria-num { color: var(--silver); }
@media (min-width: 640px) {
  .criteria-list { grid-template-columns: 1fr 1fr; gap: 20px; }
  .criteria-card { padding: 36px 32px 32px; min-height: 250px; }
}
@media (min-width: 1100px) {
  .criteria-grid {
    grid-template-columns: 7fr 5fr; grid-template-areas: "head photo" "list photo";
    column-gap: 72px; row-gap: 56px;
  }
  .criteria-head { grid-area: head; }
  .criteria-list { grid-area: list; }
  .criteria-photo { grid-area: photo; position: relative; }
  .criteria-photo img { position: absolute; inset: 0; aspect-ratio: auto; }
}

/* CTA */
.cta { position: relative; isolation: isolate; overflow: hidden; padding: 120px 0; text-align: center; color: var(--mist); }
.cta-media, .cta-media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.cta-media { height: auto; }
.cta-media { z-index: -2; }
.cta-media img { object-fit: cover; }
.cta-overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(13, 27, 42, 0.82), rgba(13, 27, 42, 0.74) 50%, rgba(13, 27, 42, 0.9)); }
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta-rule { width: 1px; height: 64px; margin-bottom: 36px; background: var(--gold); }
.cta-title { max-width: 18ch; margin-bottom: 24px; }
.cta p { max-width: 38rem; margin: 0 0 40px; font-size: 1.0625rem; color: rgba(238, 240, 242, 0.88); }
@media (min-width: 900px) { .cta { padding: 180px 0; } }

/* FAQ */
.faq-grid { display: grid; gap: 48px; }
.faq-list { border-top: 1px solid var(--line-light); }
.faq-item { border-bottom: 1px solid var(--line-light); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 28px 0; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-size: clamp(1.1875rem, 1.1rem + 0.4vw, 1.4375rem); line-height: 1.35; color: var(--navy);
  transition: color 0.25s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--gold-text); }
.faq-icon { position: relative; width: 36px; height: 36px; flex: none; border: 1px solid var(--line-light); border-radius: 50%; transition: border-color 0.25s, background-color 0.25s; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; margin: -0.75px 0 0 -6px; background: var(--navy); transition: transform 0.3s var(--ease); }
.faq-icon::after { transform: rotate(90deg); }
.faq-item[open] .faq-icon { background: var(--navy); border-color: var(--navy); }
.faq-item[open] .faq-icon::before, .faq-item[open] .faq-icon::after { background: var(--white); }
.faq-item[open] .faq-icon::after { transform: rotate(0deg); }
.faq-answer { padding: 0 60px 30px 0; }
.faq-answer p { margin: 0; max-width: 40rem; font-size: 1.0625rem; }
@media (min-width: 960px) { .faq-grid { grid-template-columns: 5fr 7fr; gap: 96px; align-items: start; } }

/* Contact */
.contact-grid { display: grid; }
.contact-info { position: relative; overflow: hidden; padding: 48px 28px; background: var(--navy); color: var(--silver); }
.contact-lead { margin: 24px 0 0; font-size: 1.0625rem; color: rgba(238, 240, 242, 0.85); }
.contact-details { margin: 40px 0 0; display: grid; gap: 0; }
.contact-details div { padding: 20px 0; border-top: 1px solid var(--line-dark); }
.contact-details dt { margin-bottom: 6px; font-family: var(--font-head); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); }
.contact-details dd { margin: 0; color: var(--mist); }
.contact-details a { color: var(--white); text-decoration: none; border-bottom: 1px solid rgba(201, 169, 106, 0.5); }
.contact-details a:hover { color: var(--gold); }
.muted { color: var(--silver); }
.contact-zh { margin: 40px 0 0; font-size: 1.125rem; letter-spacing: 0.4em; color: rgba(238, 240, 242, 0.5); }

.enquiry-form { padding: 40px 24px; background: var(--white); }
@media (min-width: 768px) {
  .contact-info { padding: 64px 56px; }
  .enquiry-form { padding: 64px 56px 56px; }
}
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 5fr 7fr; } }

.form-row { display: grid; gap: 0 32px; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }
.field { margin-bottom: 26px; }
.field label { display: block; margin-bottom: 4px; font-family: var(--font-head); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--navy); }
.req { color: var(--gold-text); }
.optional { color: var(--slate); font-weight: 500; letter-spacing: 0.04em; text-transform: none; }
.field input, .field textarea {
  width: 100%; padding: 12px 0;
  font: inherit; font-size: 1.0625rem; color: var(--navy);
  background: transparent; border: 0; border-bottom: 1px solid rgba(13, 27, 42, 0.28); border-radius: 0;
  transition: border-color 0.25s;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:hover, .field textarea:hover { border-bottom-color: rgba(13, 27, 42, 0.55); }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--gold-text); box-shadow: 0 1px 0 0 var(--gold-text); }
.field.has-error input, .field.has-error textarea { border-bottom-color: #A33A2B; }
.field-error { margin: 8px 0 0; font-size: 0.8125rem; color: #A33A2B; }
.field-error:empty { display: none; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin-bottom: 28px; font-size: 0.9375rem; }
.form-status:empty { display: none; }
.form-status.is-success { padding: 16px 18px; border-left: 2px solid var(--gold-text); background: var(--paper); color: var(--navy); }
.form-status.is-error { padding: 16px 18px; border-left: 2px solid #A33A2B; background: #FBF1EF; color: #7E2A1F; }
.form-foot { display: flex; flex-direction: column; gap: 22px; margin-top: 12px; }
.form-note { margin: 0; font-size: 0.8125rem; color: var(--slate); }
.form-foot .btn { width: 100%; }
@media (min-width: 640px) {
  .form-foot { flex-direction: row; align-items: center; justify-content: space-between; }
  .form-foot .btn { width: auto; flex: none; }
}

/* Footer */
.site-footer { background: var(--navy-deep); color: var(--silver); padding: 80px 0 32px; font-size: 0.9375rem; }
.footer-top { display: flex; flex-direction: column; gap: 32px; padding-bottom: 56px; margin-bottom: 56px; border-bottom: 1px solid var(--line-dark); }
.footer-tagline { margin: 0; max-width: 16ch; font-family: var(--font-display); font-size: clamp(2rem, 1.3rem + 3vw, 3.5rem); line-height: 1.1; color: var(--white); }
.footer-top .btn { align-self: flex-start; }
.footer-grid { display: grid; gap: 44px; padding-bottom: 56px; }
.footer-logo { display: inline-block; text-decoration: none; }
.footer-logo .logo { align-items: flex-start; }
.footer-logo .logo-mark { width: 44px; height: 44px; }
.footer-heading { margin-bottom: 18px; font-family: var(--font-head); font-weight: 600; font-size: 0.6875rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); }
.footer-col li + li { margin-top: 10px; }
.footer-col a { color: var(--mist); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--gold); }
.footer-col address { display: grid; gap: 10px; color: var(--silver); max-width: 20rem; }
.footer-bottom { display: flex; flex-direction: column; gap: 14px; padding-top: 28px; border-top: 1px solid var(--line-dark); font-size: 0.8125rem; }
.footer-bottom p { margin: 0; }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: var(--silver); text-decoration: none; }
.footer-legal a:hover { color: var(--gold); }
@media (min-width: 768px) {
  .footer-top { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1.2fr; gap: 56px; }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* Legal pages */
.legal { background: var(--white); padding-bottom: var(--section-y); }
.legal-hero { position: relative; overflow: hidden; padding: 72px 0 64px; background: var(--navy); color: var(--silver); }
.legal-hero::after { content: ""; position: absolute; left: var(--edge); bottom: 0; width: 72px; height: 2px; background: var(--gold); }
.legal-updated { margin: 20px 0 0; font-size: 0.875rem; color: var(--silver); }
.legal-layout { display: grid; gap: 40px; padding-top: 56px; }
.legal-toc { padding: 24px; background: var(--paper); }
.legal-toc-title { margin-bottom: 12px; font-family: var(--font-head); font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold-text); }
.legal-toc li + li { margin-top: 6px; }
.legal-toc a { display: flex; gap: 8px; color: var(--slate); text-decoration: none; font-size: 0.9375rem; line-height: 1.5; }
.legal-toc a span { min-width: 22px; color: var(--gold-text); }
.legal-toc a:hover { color: var(--navy); }
.legal-body { max-width: 760px; }
.legal-body > .lead { margin-bottom: 8px; }
.legal-section { padding-top: 40px; margin-top: 40px; border-top: 1px solid var(--line-light); scroll-margin-top: calc(var(--header-h) + 16px); }
.legal-section h2 { margin-bottom: 16px; font-family: var(--font-display); font-size: clamp(1.375rem, 1.2rem + 0.6vw, 1.75rem); line-height: 1.25; }
.legal-num { color: var(--gold-text); }
.legal-section ul { margin: 0 0 1.1em; }
.legal-section li { position: relative; padding-left: 22px; margin-bottom: 10px; }
.legal-section li::before { content: ""; position: absolute; left: 0; top: 0.8em; width: 10px; height: 1px; background: var(--gold-text); }
.legal-section strong { color: var(--navy); font-weight: 600; }
.legal-address { padding: 24px 28px; background: var(--paper); border-left: 2px solid var(--gold-text); line-height: 1.9; }
.legal-back { margin-top: 56px; }
.legal a, .text-link { color: var(--gold-text); }
.text-link { font-weight: 600; }
@media (min-width: 768px) { .legal-hero { padding: 104px 0 88px; } }
@media (min-width: 1024px) {
  .legal-layout { grid-template-columns: 280px minmax(0, 1fr); gap: 96px; padding-top: 88px; }
  .legal-toc { position: sticky; top: calc(var(--header-h) + 32px); align-self: start; padding: 28px; }
}

/* Language switch */
.lang-switch { display: flex; align-items: center; gap: 4px; font-family: var(--font-head); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; }
.lang-switch li + li::before { content: "/"; margin-right: 4px; color: var(--silver); opacity: 0.6; }
.lang-switch a { position: relative; display: inline-block; padding: 6px 2px; color: rgba(238, 240, 242, 0.7); text-decoration: none; transition: color 0.3s var(--ease); }
.lang-switch a[lang^="zh"] { font-family: var(--font-zh); font-size: 0.875rem; }
.lang-switch a:hover, .lang-switch a[aria-current] { color: var(--gold); }
.lang-switch a[aria-current]::after { content: ""; position: absolute; left: 2px; right: 2px; bottom: 2px; height: 1px; background: currentColor; }
@media (min-width: 1140px) {
  .lang-switch a { color: var(--slate); }
  .lang-switch a:hover, .lang-switch a[aria-current] { color: var(--gold-text); }
  .site-header.is-overlay:not(.is-solid) .lang-switch a { color: rgba(238, 240, 242, 0.75); }
  .site-header.is-overlay:not(.is-solid) .lang-switch a:hover,
  .site-header.is-overlay:not(.is-solid) .lang-switch a[aria-current] { color: var(--gold); }
}
@media (min-width: 1140px) and (max-width: 1379px) { .nav-phone { display: none; } }

/* Traditional Chinese typography */
html:lang(zh) {
  --font-display: "Noto Serif TC", "PMingLiU", "Songti TC", serif;
  --font-body: "Inter", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}
html:lang(zh) body { line-height: 1.9; letter-spacing: 0.02em; }
html:lang(zh) .display, html:lang(zh) .hero-title { font-weight: 600; letter-spacing: 0.04em; line-height: 1.3; }
html:lang(zh) .hero-title { line-height: 1.2; font-size: clamp(2.5rem, 1.4rem + 5.6vw, 6.25rem); }
html:lang(zh) .display em, html:lang(zh) .hero-title em { font-style: normal; }
html:lang(zh) .display em { display: inline-block; max-width: 100%; }
html:lang(zh) .display, html:lang(zh) .hero-title { max-width: none; word-break: keep-all; overflow-wrap: anywhere; }
html:lang(zh) .lead, html:lang(zh) .glance-list li, html:lang(zh) .criteria-text, html:lang(zh) .why-title,
html:lang(zh) .pillar-title, html:lang(zh) .step-title, html:lang(zh) .faq-item summary, html:lang(zh) .footer-tagline { font-weight: 600; letter-spacing: 0.04em; }
html:lang(zh) .lead { font-weight: 400; line-height: 1.85; }
html:lang(zh) .kicker, html:lang(zh) .btn, html:lang(zh) .field label, html:lang(zh) .step-num,
html:lang(zh) .glance-title, html:lang(zh) .footer-heading, html:lang(zh) .contact-details dt, html:lang(zh) .legal-toc-title {
  font-family: var(--font-body); letter-spacing: 0.18em;
}
html:lang(zh) .btn { font-size: 0.8125rem; }
@media (min-width: 1140px) {
  html:lang(zh) .nav-list a { font-family: var(--font-body); font-size: 0.875rem; letter-spacing: 0.12em; }
}

/* Motion: button fill sweep */
.btn { position: relative; isolation: isolate; overflow: hidden; }
.btn > span { position: relative; z-index: 1; }
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  transform: scaleX(0); transform-origin: right center;
  transition: transform 0.55s var(--ease-out);
}
.btn:hover::before, .btn:focus-visible::before { transform: scaleX(1); transform-origin: left center; }
.btn--gold::before { background: var(--white); }
.btn--gold:hover { background: var(--gold); color: var(--navy); }
.btn--ghost::before { background: rgba(201, 169, 106, 0.16); }
.btn--ghost:hover { color: var(--gold); border-color: var(--gold); }
.btn--navy::before { background: var(--steel); }
.btn--navy:hover { background: var(--navy); color: var(--white); }

/* Motion: header hide on scroll down, scroll progress */
.site-header.is-hidden { transform: translateY(-100%); }
.scroll-progress {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--gold); transform: scaleX(var(--progress, 0)); transform-origin: left;
  pointer-events: none;
}
.site-header.is-overlay:not(.is-solid) .scroll-progress { opacity: 0; }

/* Motion: hero */
.hero-glow {
  position: absolute; z-index: -1; width: 70vmax; height: 70vmax; right: -25vmax; top: -30vmax;
  background: radial-gradient(circle, rgba(201, 169, 106, 0.16), rgba(201, 169, 106, 0) 60%);
  pointer-events: none; animation: glow-drift 18s ease-in-out infinite alternate;
}
@keyframes glow-drift { to { transform: translate(-8vmax, 6vmax) scale(1.1); } }
.hero-title .line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.hero-title .line-inner { display: inline-block; }
.scroll-cue {
  position: absolute; right: var(--edge); bottom: 140px; z-index: 1;
  display: none; width: 1px; height: 72px; background: rgba(238, 240, 242, 0.2); overflow: hidden;
}
.scroll-cue span { position: absolute; left: 0; top: 0; width: 1px; height: 100%; background: var(--gold); animation: cue 2.4s var(--ease) infinite; }
@keyframes cue { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }
@media (min-width: 900px) { .scroll-cue { display: block; } }

.js .hero-anim, .js .fact, .js .hero-zh-char { opacity: 0; transform: translateY(24px); }
.js .hero-title .line-inner { transform: translateY(110%); }
.js.is-loaded .hero-anim, .js.is-loaded .fact, .js.is-loaded .hero-zh-char { opacity: 1; transform: none; transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out); }
.js.is-loaded .hero-title .line-inner { transform: none; transition: transform 1.3s var(--ease-out); }
.js.is-loaded .hero-title .line:nth-child(1) .line-inner { transition-delay: 0.15s; }
.js.is-loaded .hero-title .line:nth-child(2) .line-inner { transition-delay: 0.3s; }
.js.is-loaded .hero-anim[data-step="1"] { transition-delay: 0.05s; }
.js.is-loaded .hero-anim[data-step="2"] { transition-delay: 0.2s; }
.js.is-loaded .hero-anim[data-step="3"] { transition-delay: 0.35s; }
.js.is-loaded .hero-anim[data-step="4"] { transition-delay: 0.6s; }
.js.is-loaded .hero-anim[data-step="5"] { transition-delay: 0.75s; }
.js.is-loaded .fact { transition-delay: calc(0.9s + var(--i, 0) * 0.12s); }
.js.is-loaded .hero-zh-char { transition-delay: calc(0.8s + var(--i, 0) * 0.07s); }
.js .kicker-line { transform: scaleX(0); transform-origin: left; }
.js.is-loaded .kicker-line { transform: none; transition: transform 1.2s var(--ease-out) 0.3s; }

/* Motion: scroll reveals (only when JavaScript is available) */
.js .reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out);
  transition-delay: var(--d, 0s);
}
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal-heading { clip-path: inset(0 0 100% 0); transform: translateY(40px); transition: clip-path 1.3s var(--ease-out), transform 1.3s var(--ease-out), opacity 1.3s var(--ease-out); transition-delay: var(--d, 0s); }
.js .reveal-heading.is-visible { clip-path: inset(-20% -5% -25% -5%); }

.js .reveal-img { clip-path: inset(100% 0 0 0); transition: clip-path 1.4s var(--ease-out); }
.js .reveal-img img { transform: scale(1.25); transition: transform 2s var(--ease-out); }
.js .reveal-img.is-visible { clip-path: inset(0 0 0 0); }
.js .reveal-img.is-visible img { transform: scale(1); }
.js .pillar:hover .reveal-img.is-visible img, .js .approach-photo.is-visible:hover img { transform: scale(1.04); transition-duration: 1.2s; }

/* Parallax uses the individual translate property so it never fights transform animations. */
[data-parallax] { translate: 0 var(--py, 0px); will-change: translate; }
.js .about-photo img, .js .approach-photo img { scale: 1.12; }
.cta-media { inset: -14% 0; }

/* Motion: decorative lines that draw in */
.js .kicker.reveal .kicker-num::after { transform: scaleX(0); transform-origin: left; transition: transform 1s var(--ease-out) 0.25s; }
.js .kicker.reveal.is-visible .kicker-num::after { transform: none; }
.why-item { position: relative; border-top-color: transparent; }
.why-item::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: var(--line-dark); }
.why-item::after { content: ""; position: absolute; left: 0; top: -1px; width: 80px; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease-out) calc(var(--d, 0s) + 0.2s); }
.why-item.is-visible::after, .no-js .why-item::after { transform: none; }
.why-item:hover .why-title { color: var(--gold); }
.why-title { transition: color 0.3s var(--ease); }
.js .cta-rule { transform: scaleY(0); transform-origin: top; }
.js .cta-rule.is-visible { transform: none; transition: transform 1.2s var(--ease-out); }
.js .pillar-body::before { transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease-out) 0.3s; }
.js .pillar-body:has(.is-visible)::before { transform: none; }

/* Motion: hover polish */
.criteria-card { transition: background-color 0.45s var(--ease), transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease); }
.criteria-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -24px rgba(13, 27, 42, 0.45); }
.js .criteria-card.reveal.is-visible:hover { transform: translateY(-6px); }
.step-icon { transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.5s var(--ease-out); }
.step:hover .step-icon { transform: translateY(-4px); }
.footer-col a, .contact-details a, .legal a { background: linear-gradient(currentColor, currentColor) no-repeat left bottom / 0 1px; transition: background-size 0.4s var(--ease-out), color 0.2s; }
.footer-col a:hover, .legal-body a:hover { background-size: 100% 1px; }
.field input, .field textarea { background: linear-gradient(var(--gold-text), var(--gold-text)) no-repeat left bottom / 0 1px; transition: border-color 0.25s, background-size 0.5s var(--ease-out); }
.field input:focus, .field textarea:focus { background-size: 100% 2px; box-shadow: none; }
.faq-answer { overflow: hidden; }
.legal-toc a.is-active { color: var(--navy); }
.legal-toc a.is-active span { color: var(--gold-text); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; transition-delay: 0s !important; animation-duration: 0.01ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; }
  .js .reveal, .js .hero-anim, .js .fact, .js .hero-zh-char { opacity: 1; transform: none; }
  .js .reveal-heading, .js .reveal-img { clip-path: none; transform: none; }
  .js .reveal-img img, .js .hero-title .line-inner, .hero-media img { transform: none; }
  [data-parallax] { translate: none; }
  .js .about-photo img, .js .approach-photo img { scale: 1; }
  .site-header.is-hidden { transform: none; }
}

@media print {
  .site-header, .hero-media, .hero-overlay, .enquiry-form, .cta { display: none; }
  .hero, .section--navy, .site-footer, .contact-info { background: none; color: #000; }
}