:root {
  --bg: #f8faf8;
  --surface: #ffffff;
  --surface-2: #f2f6f3;
  --ink: #152019;
  --ink-2: #24332a;
  --muted: #617067;
  --line: #dbe4de;
  --line-2: #cdd9d1;
  --accent: #176d58;
  --accent-2: #0e5645;
  --accent-soft: #e8f4ef;
  --accent-pale: #f2f8f5;
  --warm: #f6f4ee;
  --blue-soft: #eef4ff;
  --blue: #3867d6;
  --max: 1180px;
  --radius: 18px;
  --radius-sm: 13px;
  --shadow: 0 18px 50px rgba(24, 50, 36, .07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
button, input, select, textarea { font: inherit; }
svg { display: block; }
::selection { background: var(--accent-soft); color: var(--ink); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -70px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--ink);
  text-decoration: none;
  transition: top .18s ease;
}
.skip-link:focus { top: 16px; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(248,250,248,.93);
  border-bottom: 1px solid rgba(219,228,222,.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.header-inner {
  width: min(calc(100% - 40px), var(--max));
  min-height: 70px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}
.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  white-space: nowrap;
}
.wordmark strong { font-size: 15px; font-weight: 900; letter-spacing: .18em; }
.wordmark span { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.main-nav { margin-left: auto; display: flex; gap: 24px; align-items: center; }
.main-nav a, .footer-nav a { text-decoration: none; color: var(--ink-2); font-size: 13px; font-weight: 700; }
.main-nav a:hover, .main-nav a:focus-visible, .footer-nav a:hover { color: var(--accent-2); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.lang-switch {
  display: inline-flex;
  padding: 3px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.lang-switch a {
  min-width: 38px;
  padding: 5px 8px;
  border-radius: 999px;
  text-align: center;
  text-decoration: none;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
}
.lang-switch a[aria-current="page"] { color: #fff; background: var(--ink); }
.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.menu-button span, .menu-button span::before, .menu-button span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  position: relative;
}
.menu-button span::before, .menu-button span::after { content:""; position:absolute; left:0; }
.menu-button span::before { top:-6px; }
.menu-button span::after { top:6px; }

.hero {
  padding: 86px 0 72px;
  background:
    radial-gradient(circle at 50% -10%, rgba(23,109,88,.12), transparent 27rem),
    linear-gradient(180deg,#fff 0%,var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-inner { max-width: 940px; margin-inline: auto; text-align: center; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 7px 11px;
  border: 1px solid #cde1d6;
  border-radius: 999px;
  background: var(--accent-pale);
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.status-pill::before { content:""; width:7px; height:7px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 4px rgba(23,109,88,.10); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); text-wrap: balance; }
h1 {
  max-width: 900px;
  margin: 0 auto 20px;
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  line-height: 1.03;
  letter-spacing: -.047em;
  font-weight: 790;
}
.hero .lead {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.7;
}
.hero-actions { display:flex; flex-wrap:wrap; justify-content:center; gap:10px; margin-top:28px; }
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid var(--line-2);
  border-radius: 11px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 800;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.button:hover { transform: translateY(-1px); border-color: #b6c7bc; }
.button.primary { color:#fff; background:var(--accent); border-color:var(--accent); }
.button.primary:hover { background:var(--accent-2); }
.hero-meta {
  margin-top: 34px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}
.hero-meta span { display:inline-flex; align-items:center; gap:8px; }
.hero-meta span::before { content:""; width:5px; height:5px; border-radius:50%; background:var(--accent); }

section { padding: 74px 0; }
.section-white { background:#fff; border-block:1px solid var(--line); }
.section-soft { background:var(--surface-2); border-block:1px solid var(--line); }
.section-head { max-width: 760px; margin: 0 auto 38px; text-align:center; }
.section-head.left { max-width: 720px; margin-inline:0; text-align:left; }
.kicker {
  display:inline-block;
  margin-bottom: 9px;
  color: var(--accent-2);
  font-size: 11px;
  line-height:1.3;
  font-weight: 850;
  letter-spacing:.13em;
  text-transform:uppercase;
}
h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height:1.08;
  letter-spacing:-.038em;
  font-weight:760;
}
h3 { margin-bottom: 8px; font-size:1.15rem; line-height:1.28; letter-spacing:-.018em; }
p { color:var(--muted); }
.section-head p { margin-bottom:0; font-size:1.02rem; }

.feature-grid {
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:16px;
}
.feature-card {
  min-height: 220px;
  padding: 24px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:0 8px 28px rgba(28,50,38,.035);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.feature-card:hover { transform: translateY(-2px); border-color:#c5d6ca; box-shadow:var(--shadow); }
.icon-box {
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  margin-bottom:20px;
  border-radius:13px;
  background:var(--accent-soft);
  color:var(--accent-2);
}
.icon-box.blue { background:var(--blue-soft); color:var(--blue); }
.icon-box.warm { background:var(--warm); color:#7c6740; }
.icon-box svg { width:23px; height:23px; stroke:currentColor; stroke-width:1.8; fill:none; stroke-linecap:round; stroke-linejoin:round; }
.feature-card p { margin-bottom:0; font-size:.94rem; }
.card-tag { display:inline-block; margin-top:15px; color:var(--accent-2); font-size:11px; font-weight:800; text-transform:uppercase; letter-spacing:.08em; }

.why-grid { display:grid; grid-template-columns:.9fr 1.1fr; gap:52px; align-items:start; }
.why-copy p { max-width:600px; }
.why-list { display:grid; gap:12px; }
.why-item {
  display:grid;
  grid-template-columns:48px 1fr;
  gap:16px;
  padding:20px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
}
.why-item .icon-box { width:42px; height:42px; margin:0; border-radius:11px; }
.why-item h3 { margin:1px 0 5px; font-size:1.05rem; }
.why-item p { margin:0; font-size:.93rem; }

.flow-grid {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
  position:relative;
}
.flow-card {
  position:relative;
  padding:24px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
}
.flow-number { color:var(--accent); font-size:11px; font-weight:900; letter-spacing:.1em; }
.flow-card h3 { margin-top:18px; }
.flow-card p { margin:0; font-size:.92rem; }

.output-panel {
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:24px;
  align-items:stretch;
}
.output-copy, .code-card {
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
}
.output-copy { padding:30px; }
.output-copy h2 { font-size:clamp(1.9rem,2.6vw,2.65rem); }
.output-copy p { margin-bottom:22px; }
.check-row { display:grid; grid-template-columns:22px 1fr; gap:10px; margin:10px 0; color:var(--ink-2); font-size:.93rem; }
.check-row svg { width:20px; height:20px; color:var(--accent); stroke:currentColor; fill:none; stroke-width:2; }
.code-card { overflow:hidden; background:#0e1712; color:#dff2e8; border-color:#1f3127; }
.code-head { display:flex; align-items:center; justify-content:space-between; padding:13px 16px; border-bottom:1px solid #24362c; color:#93b9a7; font-size:10px; font-weight:800; letter-spacing:.12em; text-transform:uppercase; }
pre { margin:0; padding:24px; overflow:auto; font: 13px/1.72 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; color:#f5fbf7; }
.code-tag { color:#65e6b5; }
.code-text { color:#f1f3c4; }

.dev-card {
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  padding:30px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
}
.dev-card h2 { margin-bottom:9px; font-size:clamp(1.8rem,2.6vw,2.55rem); }
.dev-card p { max-width:760px; margin:0; }
.dev-status { min-width:160px; padding:17px 18px; border-radius:13px; background:var(--accent-pale); border:1px solid #cfe2d7; }
.dev-status small { display:block; margin-bottom:4px; color:var(--muted); font-size:10px; font-weight:800; text-transform:uppercase; letter-spacing:.12em; }
.dev-status strong { color:var(--accent-2); font-size:1rem; }

.cta { padding:70px 0; }
.cta-box {
  padding:42px;
  border-radius:24px;
  background:linear-gradient(135deg,#164f40 0%,#0f342a 100%);
  color:#fff;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:24px;
}
.cta-box h2 { color:#fff; margin-bottom:8px; }
.cta-box p { color:#d7e7df; margin:0; max-width:680px; }
.cta-box .button { background:#fff; color:var(--ink); border-color:#fff; }

.site-footer { padding:34px 0 26px; border-top:1px solid var(--line); background:#fff; }
.footer-top { display:flex; align-items:center; gap:28px; }
.footer-brand { margin-right:auto; }
.footer-brand strong { font-size:13px; font-weight:900; letter-spacing:.16em; }
.footer-brand p { margin:3px 0 0; font-size:12px; }
.footer-nav { display:flex; flex-wrap:wrap; gap:18px; }
.footer-bottom { margin-top:24px; padding-top:18px; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:16px; color:var(--muted); font-size:11px; }

.reveal { opacity:1; transform:none; }
.js .reveal { opacity:0; transform:translateY(10px); transition: opacity .45s ease, transform .45s ease; }
.js .reveal.is-visible { opacity:1; transform:none; }

@media (max-width: 980px) {
  .main-nav { display:none; }
  .menu-button { display:flex; }
  .main-nav.is-open {
    position:absolute;
    top:70px;
    left:20px;
    right:20px;
    display:grid;
    gap:0;
    padding:10px;
    border:1px solid var(--line);
    border-radius:14px;
    background:#fff;
    box-shadow:var(--shadow);
  }
  .main-nav.is-open a { padding:12px 10px; border-radius:8px; }
  .why-grid, .output-panel { grid-template-columns:1fr; }
  .feature-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .flow-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .cta-box { grid-template-columns:1fr; }
}

@media (max-width: 640px) {
  .container, .header-inner { width:min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height:64px; gap:14px; }
  .wordmark span { display:none; }
  .hero { padding:64px 0 54px; }
  h1 { font-size:clamp(2.45rem,12vw,3.25rem); }
  section { padding:58px 0; }
  .section-head { text-align:left; margin-bottom:28px; }
  .feature-grid, .flow-grid { grid-template-columns:1fr; }
  .feature-card { min-height:0; }
  .why-grid { gap:30px; }
  .output-copy { padding:24px; }
  pre { padding:18px; font-size:11.5px; }
  .dev-card { grid-template-columns:1fr; padding:24px; }
  .dev-status { min-width:0; }
  .cta { padding:54px 0; }
  .cta-box { padding:28px 24px; }
  .footer-top { align-items:flex-start; flex-direction:column; }
  .footer-bottom { flex-direction:column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { transition:none !important; animation:none !important; }
  .js .reveal { opacity:1 !important; transform:none !important; }
}