:root {
  --ink: #173a34;
  --muted: #60746f;
  --green: #0e7d6d;
  --green-dark: #0b5b50;
  --mint: #e7f4f0;
  --cream: #f8f6ee;
  --line: #dce7e3;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fbfcfa; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }

.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 0 6vw; background: rgba(251, 252, 250, .94); border-bottom: 1px solid rgba(220, 231, 227, .8); backdrop-filter: blur(14px); }
.brand { display: flex; gap: 12px; align-items: center; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: var(--green-dark); background: var(--mint); font-size: 20px; font-weight: 800; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 18px; }
.brand small { margin-top: 3px; color: var(--muted); }
nav { display: flex; gap: 30px; align-items: center; font-size: 14px; }
nav a:hover { color: var(--green); }
.admin-link { padding: 10px 16px; color: var(--white); background: var(--ink); border-radius: 999px; }
.admin-link:hover { color: var(--white); background: var(--green); }

main { overflow: hidden; }
.hero { display: grid; grid-template-columns: 1.08fr .92fr; gap: 7vw; align-items: center; min-height: 680px; padding: 80px 8vw 96px; background: radial-gradient(circle at 85% 5%, #d8eee7 0, transparent 30%), linear-gradient(135deg, #fbfcfa 20%, #f3f7f3 100%); }
.eyebrow { margin: 0 0 16px; color: var(--green); font-size: 13px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(48px, 6vw, 78px); line-height: 1.08; letter-spacing: -.05em; }
h1 span { color: var(--green); }
.lead { max-width: 660px; margin: 28px 0 34px; color: var(--muted); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; }
.hero-actions a { padding: 14px 24px; border-radius: 12px; font-weight: 700; }
.primary { color: white; background: var(--green); }
.secondary { border: 1px solid var(--line); background: white; }

.hero-card { position: relative; min-height: 440px; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.7); border-radius: 34px; background: #d8e8e4; box-shadow: 0 30px 70px rgba(34, 86, 75, .16); }
.hero-card::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(4,34,29,.68)); }
.hero-card img { position: absolute; width: 100%; height: 100%; object-fit: cover; object-position: 53% center; }
.hero-card figcaption { position: absolute; left: 32px; bottom: 24px; z-index: 2; color: white; font-weight: 800; letter-spacing: .12em; }

.section { padding: 100px 8vw; }
.section-heading { max-width: 720px; }
.section-heading h2, .community h2 { margin: 0 0 18px; font-size: clamp(34px, 4vw, 52px); letter-spacing: -.04em; }
.section-heading > p:last-child, .community > div > p:last-child { color: var(--muted); font-size: 17px; line-height: 1.9; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 48px; }
.service-grid article { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: white; }
.service-grid article span { color: var(--green); font-size: 13px; font-weight: 800; }
.service-grid h3 { margin: 42px 0 12px; font-size: 22px; }
.service-grid p { margin: 0; color: var(--muted); line-height: 1.75; }

.community { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; margin: 0 4vw; padding: 80px 6vw; color: white; border-radius: 34px; background: var(--ink); }
.community .eyebrow { color: #7dd6c5; }
.community > div > p:last-child { color: #bfd1cc; }
.community dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; }
.community dl div { padding: 18px 24px; border-left: 1px solid rgba(255,255,255,.16); }
.community dt { font-size: 38px; font-weight: 800; }
.community dd { margin: 8px 0 0; color: #bfd1cc; }

.gallery { background: #f3f7f4; }
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 48px; }
.gallery-grid figure { position: relative; min-height: 360px; margin: 0; overflow: hidden; border-radius: 26px; background: #dce8e4; box-shadow: 0 18px 40px rgba(22,58,52,.1); }
.gallery-grid .gallery-wide { grid-column: 1 / -1; min-height: 520px; }
.gallery-grid img { position: absolute; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.gallery-grid figure:hover img { transform: scale(1.025); }
.gallery-grid figcaption { position: absolute; right: 20px; bottom: 20px; left: 20px; display: flex; align-items: end; justify-content: space-between; padding: 22px 24px; color: white; border-radius: 18px; background: linear-gradient(110deg, rgba(7,48,41,.84), rgba(7,48,41,.42)); backdrop-filter: blur(10px); }
.gallery-grid figcaption strong, .gallery-grid figcaption span { display: block; }
.gallery-grid figcaption strong { font-size: 21px; }
.gallery-grid figcaption span { color: #d8e9e4; font-size: 13px; }
.rendering-note { margin: 18px 0 0; color: #7b8b87; font-size: 12px; text-align: right; }

.app-download { display: grid; grid-template-columns: 1fr .58fr; gap: 9vw; align-items: center; margin: 100px 8vw; padding: 72px 8vw; overflow: hidden; border-radius: 36px; background: linear-gradient(135deg, #e5f5f0, #f7f5ea); }
.app-copy h2 { margin: 0 0 20px; font-size: clamp(34px, 4vw, 52px); letter-spacing: -.04em; }
.app-copy > p:not(.eyebrow) { max-width: 630px; margin: 0 0 30px; color: var(--muted); font-size: 17px; line-height: 1.9; }
.app-button { display: inline-block; padding: 14px 24px; border-radius: 12px; font-weight: 700; }
.app-copy small { display: block; margin-top: 16px; color: #778985; }
.phone-preview { position: relative; width: min(100%, 310px); min-height: 500px; justify-self: center; padding: 78px 28px 32px; color: white; text-align: center; border: 9px solid #173a34; border-radius: 42px; background: linear-gradient(160deg, #128a78, #0d5d51); box-shadow: 0 30px 60px rgba(20,70,60,.24); }
.phone-speaker { position: absolute; top: 18px; left: 50%; width: 76px; height: 8px; border-radius: 99px; background: rgba(255,255,255,.35); transform: translateX(-50%); }
.app-symbol { display: grid; place-items: center; width: 76px; height: 76px; margin: 0 auto 20px; color: var(--green-dark); border-radius: 22px; background: white; font-size: 34px; font-weight: 900; box-shadow: 0 12px 30px rgba(0,0,0,.12); }
.phone-preview > strong { font-size: 25px; }
.phone-preview > p { margin: 10px 0 34px; color: #cce5df; }
.app-features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.app-features span { padding: 18px 8px; border-radius: 14px; background: rgba(255,255,255,.12); font-size: 13px; }

.download-main { display: grid; min-height: calc(100vh - 228px); place-items: center; padding: 80px 20px; background: radial-gradient(circle at 50% 15%, #d7eee7, transparent 35%), #f8faf7; }
.download-status { width: min(100%, 680px); padding: 60px; text-align: center; border: 1px solid var(--line); border-radius: 32px; background: white; box-shadow: 0 24px 70px rgba(26,76,67,.12); }
.download-status h1 { font-size: clamp(38px, 6vw, 60px); }
.download-status > p:not(.eyebrow) { margin: 24px auto; color: var(--muted); font-size: 17px; line-height: 1.8; }
.status-pill { display: inline-block; margin-bottom: 24px; padding: 9px 16px; color: var(--green); border-radius: 999px; background: var(--mint); font-weight: 800; }
.return-link { display: block; width: fit-content; margin: 0 auto; padding: 13px 22px; border-radius: 12px; font-weight: 700; }

.contact { display: grid; grid-template-columns: 1fr .8fr; gap: 10vw; align-items: center; }
.contact-card { display: grid; gap: 14px; padding: 36px; border-radius: 24px; background: var(--mint); }
.contact-card strong { margin-bottom: 8px; font-size: 24px; }
.contact-card span { color: var(--muted); }

footer { display: flex; justify-content: space-between; gap: 30px; padding: 40px 8vw; color: #c5d4d0; background: #0e2d28; }
footer strong, footer span { display: block; }
footer span { margin-top: 7px; font-size: 13px; }
.legal { text-align: right; }
.legal a { display: inline-block; margin-top: 7px; color: white; font-size: 13px; }

@media (max-width: 900px) {
  .site-header { padding: 0 5vw; }
  nav a:not(.admin-link) { display: none; }
  .hero { grid-template-columns: 1fr; padding: 64px 6vw 76px; }
  .hero-card { min-height: 380px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .community, .contact { grid-template-columns: 1fr; gap: 40px; }
  .gallery-grid .gallery-wide { min-height: 420px; }
  .app-download { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .brand small { display: none; }
  .admin-link { padding: 9px 13px; }
  .hero { min-height: auto; padding-top: 54px; }
  h1 { font-size: 45px; }
  .lead { font-size: 16px; }
  .hero-card { min-height: 310px; border-radius: 24px; }
  .service-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid .gallery-wide { grid-column: auto; min-height: 300px; }
  .gallery-grid figure { min-height: 300px; }
  .gallery-grid figcaption { align-items: start; flex-direction: column; gap: 6px; }
  .app-download { margin: 70px 0; padding: 60px 6vw; border-radius: 0; }
  .phone-preview { min-height: 460px; }
  .download-status { padding: 44px 24px; }
  .community { margin: 0; border-radius: 0; }
  .community dl { grid-template-columns: 1fr; }
  .community dl div { border-left: 0; border-top: 1px solid rgba(255,255,255,.16); }
  footer { display: grid; }
  .legal { text-align: left; }
}