:root {
  --green: #0e3b2e;
  --green-deep: #09261e;
  --gold: #d4af37;
  --turquoise: #009688;
  --cream: #f7f3ea;
  --ink: #1e293b;
  --muted: #55627a;
  --card: #ffffff;
  --line: #e6e0d2;
  --radius: 16px;
  --max: 1040px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
html[lang="fa"] body { font-family: Vazirmatn, "Segoe UI", Tahoma, system-ui, sans-serif; line-height: 1.9; }

a { color: var(--turquoise); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { width: auto; height: auto; clip: auto; inset-inline-start: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 10; }

/* Header */
.site-header { background: var(--green-deep); color: var(--cream); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--cream); text-decoration: none; font-weight: 700; letter-spacing: .08em; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--cream); text-decoration: none; opacity: .9; font-size: 15px; }
.nav a:hover { opacity: 1; text-decoration: underline; }

/* Hero */
.hero { background: linear-gradient(160deg, var(--green-deep), var(--green) 60%, #145a47); color: var(--cream); padding: 64px 0 72px; }
.hero .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; }
.hero h1 span { color: var(--gold); }
.hero p { font-size: 19px; margin: 0 0 28px; color: #e8efe9; max-width: 34em; }
.hero-logo { justify-self: center; width: min(192px, 60vw); border-radius: 44px; box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.badge { display: inline-block; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--gold); border: 1px solid rgba(212,175,55,.5); border-radius: 999px; padding: 3px 12px; margin-bottom: 18px; }
html[lang="fa"] .badge { text-transform: none; letter-spacing: 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 12px; font-weight: 700; text-decoration: none; }
.btn-gold { background: var(--gold); color: var(--green-deep); }
.btn-ghost { color: var(--cream); border: 1px solid rgba(247,243,234,.45); margin-inline-start: 10px; }
.btn[aria-disabled="true"] { cursor: default; }

/* Sections */
section { padding: 64px 0; }
h2 { font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 8px; color: var(--green); }
.lead { color: var(--muted); margin: 0 0 32px; max-width: 40em; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 18px; color: var(--green); }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(0,150,136,.1); color: var(--turquoise); margin-bottom: 12px; font-size: 20px; }

.contact { background: var(--green); color: var(--cream); border-radius: var(--radius); padding: 32px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.contact h2 { color: var(--cream); }
.contact p { margin: 0; }

/* Long-form pages */
.doc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 4vw, 44px); margin: 40px auto; max-width: 780px; }
.doc h1 { color: var(--green); margin-top: 0; line-height: 1.25; }
.doc h2 { font-size: 21px; margin-top: 32px; }
.doc li { margin-bottom: 6px; }
.notice { background: #fff8e1; border: 1px solid #f0d68a; border-radius: 12px; padding: 12px 16px; font-size: 15px; }
.meta { color: var(--muted); font-size: 15px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 15px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
.site-footer a { color: var(--muted); }

@media (max-width: 760px) {
  .hero { padding: 40px 0 48px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-logo { order: -1; width: 128px; border-radius: 28px; }
  .btn-ghost { margin-inline-start: 0; margin-top: 10px; }
  .site-header .wrap { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; row-gap: 6px; }
  .nav { gap: 6px 14px; font-size: 14px; }
  section { padding: 44px 0; }
}