/* ============================================================
   Semaglutide API — B2B supplier site
   Palette: navy / blue / teal, clean pharma style
   ============================================================ */

:root {
  --navy: #0b2545;
  --blue: #1b6ca8;
  --teal: #2a9d8f;
  --light: #f5f8fb;
  --text: #22303f;
  --muted: #5b6b7b;
  --line: #e3e9ef;
  --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: var(--white);
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { font-weight: 700; font-size: 1.05rem; color: var(--navy); }
.brand img { height: 42px; width: auto; display: block; }
.brand span { color: var(--teal); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--blue); text-decoration: none; }
.nav-cta {
  background: var(--blue); color: #fff !important;
  padding: 8px 16px; border-radius: 6px; font-weight: 600;
}
.nav-cta:hover { background: var(--navy); text-decoration: none; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #134a7a 60%, var(--blue) 100%);
  color: #fff;
  padding: 88px 0 72px;
}
.hero h1 { font-size: 2.3rem; line-height: 1.25; font-weight: 700; max-width: 780px; }
.hero .lead { margin-top: 18px; font-size: 1.12rem; max-width: 720px; color: #dbe7f3; }
.hero .badges { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; }
.badge {
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 14px; border-radius: 999px; font-size: 0.88rem;
}
.hero-cta { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 6px;
  font-weight: 600; font-size: 1rem;
}
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: #23827a; text-decoration: none; color: #fff; }
.btn-outline { border: 1.5px solid rgba(255,255,255,0.6); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); text-decoration: none; }

/* ---------- Credentials strip ---------- */
.cred-strip { background: var(--light); border-bottom: 1px solid var(--line); }
.cred-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px; padding: 30px 0;
}
.cred-item h4 { font-size: 0.98rem; color: var(--navy); margin-bottom: 4px; }
.cred-item p { font-size: 0.88rem; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 68px 0; }
.section-alt { background: var(--light); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 { font-size: 1.7rem; color: var(--navy); margin-bottom: 10px; }
.section .sub { color: var(--muted); margin-bottom: 32px; max-width: 720px; }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: 10px;
  padding: 26px; box-shadow: 0 2px 10px rgba(11,37,69,0.05);
}
.card h3 { color: var(--navy); font-size: 1.08rem; margin-bottom: 8px; }
.card .tag {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  padding: 3px 10px; border-radius: 999px; margin-bottom: 10px;
}
.tag-open { background: #e6f4ef; color: #1e7a64; }
.tag-soon { background: #fff4e0; color: #a05e12; }
.tag-restricted { background: #fdeaea; color: #b0352f; }
.card p { font-size: 0.94rem; color: var(--muted); }
.card ul { margin: 10px 0 0 18px; font-size: 0.9rem; color: var(--text); }
.card li { margin-bottom: 4px; }

/* ---------- Tables ---------- */
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--line); font-size: 0.95rem; }
.spec-table th { background: var(--navy); color: #fff; font-weight: 600; width: 32%; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: #fafcfe; }

/* ---------- Bullets / lists ---------- */
.check-list { list-style: none; }
.check-list li { padding-left: 28px; position: relative; margin-bottom: 10px; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--teal); font-weight: 700;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy), var(--blue));
  color: #fff; text-align: center; padding: 56px 24px;
}
.cta-band h2 { color: #fff; font-size: 1.6rem; margin-bottom: 10px; }
.cta-band p { color: #dbe7f3; margin-bottom: 24px; }

/* ---------- Footer ---------- */
.site-footer { background: #0a1a30; color: #9db2c7; font-size: 0.88rem; padding: 40px 0; }
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; }
.site-footer h5 { color: #fff; margin-bottom: 10px; font-size: 0.95rem; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 6px; }
.site-footer a { color: #9db2c7; }
.site-footer a:hover { color: #fff; }
.footer-note { margin-top: 26px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 0.8rem; color: #7e93a8; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.form-input, .form-textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line);
  border-radius: 6px; font-size: 0.95rem; font-family: inherit;
  background: #fff; color: var(--text);
}
.form-input:focus, .form-textarea:focus { outline: 2px solid var(--blue); border-color: var(--blue); }
.form-textarea { min-height: 120px; resize: vertical; }

.contact-card {
  background: var(--white); border: 1px solid var(--line); border-radius: 10px;
  padding: 28px; box-shadow: 0 2px 10px rgba(11,37,69,0.05);
}
.contact-card h3 { color: var(--navy); margin-bottom: 12px; }
.contact-card p { font-size: 0.95rem; color: var(--muted); margin-bottom: 8px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { background: linear-gradient(135deg, var(--navy), #134a7a); color: #fff; padding: 56px 0 48px; }
.page-hero h1 { font-size: 1.9rem; }
.page-hero p { color: #dbe7f3; margin-top: 10px; max-width: 720px; }

/* ---------- Misc ---------- */
.note {
  background: #fff8ec; border: 1px solid #f0d9a8; border-radius: 8px;
  padding: 14px 18px; font-size: 0.9rem; color: #7a5a1e;
}
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }

.lang-switch { font-size: 0.85rem; color: var(--muted); margin-right: 14px; white-space: nowrap; }
.lang-switch a { color: var(--blue); font-weight: 600; }
.lang-switch strong { color: var(--navy); }

/* ---------- Floating WhatsApp button ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 100;
  display: inline-flex; align-items: center; gap: 8px;
  background: #25D366; color: #fff; padding: 12px 18px;
  border-radius: 999px; font-weight: 700; font-size: 0.95rem;
  box-shadow: 0 4px 14px rgba(37,211,102,0.45);
}
.wa-float:hover { background: #1eb457; color: #fff; text-decoration: none; }
.wa-float svg { flex-shrink: 0; }

@media (max-width: 720px) {
  .hero h1 { font-size: 1.7rem; }
  .nav-links { display: none; }
  .form-grid { grid-template-columns: 1fr; }
}