/* Citrus Solutions website, design option A: bright, airy, product-led. Same markup as styles.css. */
:root {
  --bg: #ffffff;
  --bg-2: #f5f6f8;
  --card: #ffffff;
  --line: #e4e7ec;
  --ink: #14171c;
  --ink-2: #555e6b;
  --dark: #14171c;
  --dark-2: #1f242b;
  --ink-on-dark: #f4f5f7;
  --ink-on-dark-2: #b3bac4;
  --orange: #ea6000;
  --orange-btn: #c2410c;
  --orange-text: #b34a00;
  --orange-on-dark: #ff8a3d;
  --orange-tint: #fff3ea;
  --shadow: 0 1px 2px rgba(20, 23, 28, .05), 0 12px 32px rgba(20, 23, 28, .08);
  --wrap: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "DM Sans", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.7;
}
html[lang="zh-Hant"] body { font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--orange-text); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}
h1, h2, h3 { line-height: 1.2; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 3.9rem); font-weight: 900; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.22rem; font-weight: 700; }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 24px; }

/* Header */
.site-header { background: rgba(255, 255, 255, .92); backdrop-filter: saturate(1.4) blur(10px); color: var(--ink); position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 72px; flex-wrap: wrap; padding-block: 10px; }
.brand img { height: 30px; width: auto; }
.nav { display: flex; gap: 4px 26px; flex-wrap: wrap; margin-left: auto; align-items: center; }
.nav a, .nav details.menu summary { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .98rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--orange); }
.nav a.lang { border: 1px solid var(--line); border-radius: 999px; padding: 4px 16px; font-size: .9rem; background: var(--bg); }
.nav a.lang:hover { border-color: var(--orange); }
.nav details.menu { position: relative; }
.nav details.menu summary { cursor: pointer; list-style: none; }
.nav details.menu summary::-webkit-details-marker { display: none; }
.nav details.menu summary::after { content: " \25BE"; font-size: .8em; }
.nav details.menu summary:hover, .nav details.menu summary.on, .nav details.menu[open] summary { border-bottom-color: var(--orange); }
.nav details.menu > div { position: absolute; top: calc(100% + 12px); left: -18px; min-width: 220px; display: flex; flex-direction: column; background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 8px 18px; box-shadow: var(--shadow); z-index: 30; }
.nav details.menu > div a { padding: 8px 0; white-space: nowrap; border-bottom: 0; }
.nav details.menu > div a:hover, .nav details.menu > div a[aria-current="page"] { color: var(--orange-text); }

/* Hero */
.hero { background: radial-gradient(1100px 520px at 85% -10%, #ffe7d4 0%, rgba(255, 231, 212, 0) 60%), linear-gradient(#fffaf5, #ffffff); color: var(--ink); border-bottom: 1px solid var(--line); }
.hero .wrap { padding-block: 88px 80px; display: grid; gap: 48px; align-items: center; }
.hero.split .wrap { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
.eyebrow { font-size: .82rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--orange-text); }
.hero .eyebrow { display: inline-block; background: var(--orange-tint); border: 1px solid #ffd9bd; border-radius: 999px; padding: 5px 14px; letter-spacing: .1em; }
.hero h1 { margin-top: 18px; }
.hero p.lead { font-size: 1.22rem; color: var(--ink-2); margin-top: 20px; max-width: 34em; }
.hero img { border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 2px 4px rgba(20, 23, 28, .06), 0 28px 60px rgba(20, 23, 28, .18); }
.hero img.tall, .media.tall img { max-height: 560px; width: auto; max-width: 100%; margin-inline: auto; display: block; }
.hero-art { position: relative; padding: 0 0 44px 44px; }
.hero-art .main { width: 100%; }
.hero-art .float { position: absolute; left: 0; bottom: 0; width: 30%; border-radius: 18px; border: 6px solid #14171c; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.section .actions { margin-top: 28px; }
.btn { display: inline-block; background: var(--orange-btn); color: #fff; font-weight: 700; text-decoration: none; padding: 13px 28px; border-radius: 999px; border: 2px solid var(--orange-btn); cursor: pointer; font-size: 1rem; font-family: inherit; transition: background .15s, border-color .15s; }
.btn:hover { background: #9a3409; border-color: #9a3409; }
.btn.ghost { background: var(--bg); color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--orange); background: var(--bg); }

/* Sections */
.section { padding-block: 96px; }
.section.alt { background: var(--bg-2); }
.section.dark { background: var(--dark); color: var(--ink-on-dark); }
.section.dark .eyebrow { color: var(--orange-on-dark); }
.section-head { display: grid; gap: 12px; margin-bottom: 44px; max-width: 44em; }
.section-head p.lead { color: var(--ink-2); font-size: 1.12rem; }
.section.dark .section-head p.lead { color: var(--ink-on-dark-2); }

/* Grids and cards */
.grid { display: grid; gap: 22px; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.c6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: grid; gap: 8px; align-content: start; box-shadow: 0 1px 2px rgba(20, 23, 28, .04); }
.card.top { position: relative; }
.card.top::before { content: ""; width: 36px; height: 4px; border-radius: 4px; background: var(--orange); margin-bottom: 8px; }
a.card { transition: box-shadow .15s, transform .15s; }
a.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card p { color: var(--ink-2); }
.card img { border: 1px solid var(--line); }
.card .num { font-weight: 700; color: var(--orange-text); font-size: .9rem; letter-spacing: .08em; }
.section.dark .card { background: var(--dark-2); border-color: #313841; box-shadow: none; }
.section.dark .card p { color: var(--ink-on-dark-2); }
.card ul { margin: 0; padding-left: 1.1em; color: var(--ink-2); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.stat { background: transparent; border-left: 3px solid var(--orange); padding: 4px 0 4px 20px; display: grid; gap: 2px; }
.stat b { font-size: clamp(2.1rem, 4vw, 3.2rem); font-weight: 900; color: var(--ink); line-height: 1.1; letter-spacing: -.02em; }
.stat span { color: var(--ink); font-weight: 500; }
.stat small { color: var(--ink-2); font-size: .92rem; }
.section.dark .stat b { color: var(--orange-on-dark); }
.section.dark .stat span { color: var(--ink-on-dark); }
.section.dark .stat small { color: var(--ink-on-dark-2); }
.stats-band { border-bottom: 1px solid var(--line); }
.stats-band .wrap { padding-block: 40px; }

/* Feature rows */
.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 56px; align-items: center; }
.feature + .feature { margin-top: 80px; }
.feature.flip > .media { order: -1; }
.feature .text { display: grid; gap: 16px; }
.feature .text > h3 { font-size: 1.6rem; }
.feature dl { margin: 0; display: grid; gap: 16px; }
.feature dt { font-weight: 700; font-size: 1.08rem; }
.feature dd { margin: 2px 0 0; color: var(--ink-2); }
.media figure { margin: 0; }
.media img { border-radius: 14px; border: 1px solid var(--line); background: #0a0a0a; width: 100%; box-shadow: var(--shadow); }
.media figcaption { font-size: .9rem; color: var(--ink-2); margin-top: 12px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 22px; counter-reset: step; }
.steps .card { counter-increment: step; }
.steps .card.top::before { content: counter(step, decimal-leading-zero); width: auto; height: auto; background: none; font-weight: 900; font-size: 1.5rem; color: var(--orange); margin-bottom: 0; }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: var(--card); }
table { border-collapse: collapse; width: 100%; min-width: 520px; }
th, td { text-align: left; vertical-align: top; padding: 14px 20px; border-bottom: 1px solid var(--line); }
thead th { background: var(--bg-2); color: var(--ink); font-weight: 700; font-size: .92rem; letter-spacing: .04em; }
tbody tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 700; white-space: nowrap; }

/* Pills */
.pills { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.pills li { background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 6px 18px; font-weight: 500; }
.section.dark .pills li { background: var(--dark-2); border-color: #313841; }

/* Note strip */
.strip { background: var(--orange-tint); color: var(--ink); border: 1px solid #ffd9bd; border-radius: 18px; padding: 24px 28px; display: grid; gap: 4px; margin-top: 28px; }
.strip b { color: var(--orange-text); }
.section.dark .strip { background: var(--dark-2); border-color: #313841; color: var(--ink-on-dark); }

/* Case blocks */
.case { border-top: 1px solid var(--line); padding-top: 40px; display: grid; gap: 24px; }
.case + .case { margin-top: 72px; }
.case .place { color: var(--ink-2); font-weight: 500; }

/* CTA band */
.cta { background: var(--bg); padding: 0 24px 96px; }
.cta .wrap { background: var(--dark); color: var(--ink-on-dark); border-radius: 28px; padding: 56px 56px; display: flex; gap: 24px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.cta h2 { color: var(--ink-on-dark); }
.cta .btn { background: var(--orange); border-color: var(--orange); color: #14171c; }
.cta .btn:hover { background: #ff7a1f; border-color: #ff7a1f; }

/* Form */
form.contact { display: grid; gap: 16px; }
form.contact .row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
label { display: grid; gap: 6px; font-weight: 500; }
input, select, textarea { font: inherit; padding: 12px 14px; border: 1px solid #c4cad3; border-radius: 12px; background: #fff; color: var(--ink); width: 100%; }
textarea { min-height: 150px; resize: vertical; }
.hp { position: absolute; left: -9999px; }
.contact-info { display: grid; gap: 18px; align-content: start; }
.contact-info .card b { font-size: 1.1rem; }

/* Footer */
.site-footer { background: var(--bg-2); color: var(--ink-2); font-size: .95rem; border-top: 1px solid var(--line); }
.site-footer .wrap { padding-block: 56px 32px; display: grid; gap: 32px; grid-template-columns: 1.4fr 1fr 1fr; }
.site-footer img { height: 28px; width: auto; margin-bottom: 12px; }
.site-footer h3 { color: var(--ink); font-size: 1rem; margin-bottom: 8px; }
.site-footer a { color: var(--ink-2); text-decoration: none; }
.site-footer a:hover { color: var(--orange-text); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 18px; font-size: .88rem; }

@media (max-width: 900px) {
  .hero.split .wrap, .feature, .grid.c2, .grid.c3, .site-footer .wrap, form.contact .row { grid-template-columns: minmax(0, 1fr); }
  .grid.c4, .grid.c6, .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature.flip > .media { order: 0; }
  .hero .wrap { padding-block: 56px; }
  .section { padding-block: 64px; }
  .nav { margin-left: 0; width: 100%; }
  .nav details.menu > div { left: 0; }
  .cta { padding: 0 16px 64px; }
  .cta .wrap { padding: 36px 28px; }
}
@media (max-width: 520px) {
  .grid.c4, .grid.c6, .stats { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn, a.card { transition: none; } }
.section.dark + .cta, .section.alt + .cta { padding-top: 96px; }
@media (max-width: 900px) { .section.dark + .cta, .section.alt + .cta { padding-top: 64px; } }