:root {
  --ink: #173829;
  --ink-deep: #0f2a1f;
  --gold: #d4a94f;
  --gold-soft: #f0ddb1;
  --mist: #eef3ef;
  --paper: #f8faf7;
  --text: #26352e;
  --muted: #65766d;
  --line: #d7e0da;
  --serif: "Playfair Display", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
  --zh: "Noto Sans SC", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.65; }
button, a { font: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: white; padding: .7rem 1rem; border-radius: .35rem; }
.skip-link:focus { top: 1rem; }

.site-header { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 0 clamp(1.25rem, 5vw, 5rem); background: rgba(248,250,247,.95); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50% 50% 48% 52% / 58% 42% 58% 42%; background: var(--ink); color: var(--gold); font-family: var(--serif); font-size: 1.25rem; }
.brand strong, .brand small { display: block; line-height: 1.2; }
.brand small { color: var(--muted); margin-top: .18rem; }
.header-actions { display: flex; align-items: center; gap: 1.5rem; }
.role { color: var(--muted); font-family: var(--serif); font-style: italic; }
.language-switch { display: flex; padding: .2rem; border: 1px solid var(--line); border-radius: 999px; background: white; }
.lang-button { border: 0; background: transparent; color: var(--muted); min-width: 44px; padding: .35rem .6rem; border-radius: 999px; cursor: pointer; font-size: .85rem; font-weight: 600; }
.lang-button.active { background: var(--ink); color: white; }

.hero { min-height: calc(100vh - 78px); position: relative; display: grid; align-items: center; overflow: hidden; background: var(--ink-deep); color: white; padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 8vw, 8rem); }
.hero-art { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,42,31,.98) 0%, rgba(15,42,31,.91) 43%, rgba(15,42,31,.25) 100%), radial-gradient(circle at 80% 25%, rgba(212,169,79,.18), transparent 32%), url("assets/rain-garden-hero.png") center right / cover no-repeat; opacity: .98; }
.hero::after { content: ""; position: absolute; width: 38vw; height: 38vw; border: 1px solid rgba(212,169,79,.23); border-radius: 50%; right: -12vw; bottom: -18vw; box-shadow: 0 0 0 5vw rgba(212,169,79,.045), 0 0 0 10vw rgba(212,169,79,.025); }
.hero-content { width: min(760px, 76vw); position: relative; z-index: 2; }
.eyebrow { margin: 0 0 1rem; color: #a87519; text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; font-weight: 600; }
.hero .eyebrow, .hook .eyebrow { color: var(--gold); }
h1, h2, blockquote { font-family: var(--serif); }
h1 { margin: 0; max-width: 760px; font-size: clamp(3rem, 7vw, 6.6rem); line-height: .98; letter-spacing: -.045em; font-weight: 600; }
h1 em { color: var(--gold-soft); font-weight: 500; }
.hero-lead { max-width: 650px; margin: 2rem 0 0; font-size: clamp(1.05rem, 1.8vw, 1.32rem); color: #d9e3dc; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.3rem 1.8rem; margin-top: 2.2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 49px; padding: .75rem 1.2rem; border-radius: 4px; text-decoration: none; font-weight: 600; }
.button-primary { background: var(--gold); color: var(--ink-deep); }
.button-light { background: white; color: var(--ink-deep); margin-top: 2rem; }
.text-link { color: white; text-underline-offset: .35rem; }
.trust-line { margin: 2.5rem 0 0; color: #adc0b4; font-size: .92rem; }
.trust-line strong { color: white; }

.section { padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 8vw, 8rem); }
.section-intro { max-width: 760px; margin-bottom: 3rem; }
.section-intro.narrow { max-width: 620px; }
h2 { font-size: clamp(2.2rem, 4.7vw, 4.6rem); line-height: 1.05; letter-spacing: -.035em; margin: 0 0 1.25rem; color: var(--ink); }
.section-intro > p:last-child { max-width: 640px; color: var(--muted); font-size: 1.05rem; }
.questions { background: var(--mist); }
.question-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.question-card { min-height: 270px; padding: 2rem; background: var(--paper); }
.question-card > span { color: #a87519; font-weight: 600; font-size: .8rem; letter-spacing: .1em; }
.question-card h3 { font-family: var(--serif); font-size: 1.6rem; line-height: 1.15; color: var(--ink); margin: 2.8rem 0 .8rem; }
.question-card p { color: var(--muted); margin: 0; }

.hook { background: var(--ink); color: white; text-align: center; }
.hook blockquote { max-width: 1000px; margin: 0 auto; font-size: clamp(2rem, 4.3vw, 4.3rem); line-height: 1.12; color: var(--gold-soft); }
.hook .eyebrow { margin-bottom: 2rem; }

.services { background: var(--paper); }
.service-list { border-top: 1px solid var(--line); }
.service-list article { display: grid; grid-template-columns: minmax(180px, 1fr) 2fr; gap: 2rem; padding: 1.55rem 0; border-bottom: 1px solid var(--line); }
.service-list h3, .service-list p { margin: 0; }
.service-list h3 { color: var(--ink); font-size: 1.1rem; }
.service-list p { color: var(--muted); }

.approach { background: #e7eee9; display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.approach > div > p:last-child { max-width: 560px; color: var(--muted); }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: steps; }
.steps li { counter-increment: steps; display: grid; grid-template-columns: 2.5rem 9rem 1fr; gap: 1rem; padding: 1.3rem 0; border-bottom: 1px solid #c9d4cc; }
.steps li::before { content: "0" counter(steps); color: #a87519; font-size: .8rem; font-weight: 600; }
.steps strong { color: var(--ink); }
.steps span { color: var(--muted); }

.proof { background: var(--ink-deep); color: white; display: grid; grid-template-columns: 1fr 1.35fr; gap: clamp(3rem, 8vw, 8rem); }
.proof h2 { color: white; }
.timeline p { display: grid; grid-template-columns: 9rem 1fr; gap: 1.5rem; border-top: 1px solid rgba(255,255,255,.14); margin: 0; padding: 1.4rem 0; }
.timeline strong { color: var(--gold); }
.timeline span { color: #cedad2; }

.contact { text-align: center; background: var(--paper); }
.contact h2 { max-width: 800px; margin-left: auto; margin-right: auto; }
.contact > p:not(.eyebrow):not(.contact-detail) { max-width: 680px; margin: 0 auto 2rem; color: var(--muted); font-size: 1.05rem; }
.contact-detail { color: var(--muted); margin-top: 1.3rem; }

footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem clamp(1.25rem, 5vw, 5rem); background: #0b2118; color: #aebeb4; font-size: .8rem; }
footer strong, footer span { display: block; }
footer strong { color: white; font-size: .95rem; }
footer p { max-width: 520px; margin: 0; text-align: right; }

.zh { font-family: var(--zh); }
.zh h1, .zh h2, .zh blockquote, .zh .question-card h3 { font-family: var(--zh); font-weight: 500; letter-spacing: 0; }
.zh h1 { line-height: 1.12; }
.zh .eyebrow { letter-spacing: .1em; }
.zh .hero-lead { line-height: 1.9; }

@media (max-width: 850px) {
  .role { display: none; }
  .hero { min-height: auto; padding-top: 6rem; padding-bottom: 6rem; }
  .hero-content { width: 100%; }
  .hero-art { background-position: 65% center; opacity: .75; }
  .question-grid, .approach, .proof { grid-template-columns: 1fr; }
  .question-card { min-height: 220px; }
  .service-list article { grid-template-columns: 1fr; gap: .35rem; }
  footer { flex-direction: column; }
  footer p { text-align: left; }
}

@media (max-width: 560px) {
  .site-header { height: 68px; padding-inline: 1rem; }
  .brand-mark { width: 38px; height: 38px; }
  .brand strong { font-size: .9rem; }
  .brand small { font-size: .72rem; }
  .hero { min-height: calc(100svh - 68px); padding: 5rem 1.25rem 4rem; }
  h1 { font-size: clamp(2.7rem, 13vw, 4.2rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .section { padding: 4.5rem 1.25rem; }
  .question-card { min-height: 0; }
  .question-card h3 { margin-top: 1.8rem; }
  .steps li { grid-template-columns: 2rem 1fr; }
  .steps span { grid-column: 2; }
  .timeline p { grid-template-columns: 1fr; gap: .35rem; }
  .zh h1 { font-size: 2.75rem; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }