/* Welwyn Vets — welwynvets.co.uk
   Local veterinary guide for Welwyn, Welwyn Garden City & Hertfordshire */

:root {
  --primary: #1f7a6b;
  --primary-dark: #155c50;
  --accent: #e8923f;
  --ink: #1c2b29;
  --muted: #5d6b69;
  --line: #e3ebe9;
  --bg: #ffffff;
  --bg-soft: #f4f8f7;
  --bg-hero: #0f3d35;
  --radius: 14px;
  --shadow: 0 6px 28px rgba(15, 61, 53, .08);
  --maxw: 1120px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .paw { width: 34px; height: 34px; flex: 0 0 auto; }
.brand b { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--ink); font-weight: 600; font-size: .95rem; }
.nav-links a:hover { color: var(--primary); text-decoration: none; }
.nav-links a.active { color: var(--primary); }
.nav-cta {
  background: var(--primary); color: #fff !important; padding: 10px 18px;
  border-radius: 999px; font-weight: 700;
}
.nav-cta:hover { background: var(--primary-dark); text-decoration: none; }
.burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(120% 130% at 80% 0%, #155c50 0%, var(--bg-hero) 55%, #0a2c26 100%);
  color: #eaf4f1;
  padding: 84px 0 96px;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.1; margin: 0 0 18px; font-weight: 800; color: #fff; }
.hero h1 .accent { color: #f6b878; }
.hero p.lead { font-size: 1.18rem; max-width: 640px; color: #cfe3de; margin: 0 0 30px; }
.hero .eyebrow {
  display: inline-block; background: rgba(255,255,255,.12); color: #cdeee4;
  padding: 6px 14px; border-radius: 999px; font-size: .82rem; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; margin-bottom: 22px;
}
.btn {
  display: inline-block; padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 1rem;
  border: 2px solid transparent; cursor: pointer; transition: .15s;
}
.btn-primary { background: var(--accent); color: #2a1a05; }
.btn-primary:hover { background: #f0a458; text-decoration: none; }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.45); margin-left: 10px; }
.btn-ghost:hover { border-color: #fff; text-decoration: none; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
section.soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin: 0 0 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.2; margin: 0 0 14px; font-weight: 800; }
h3 { font-size: 1.2rem; margin: 0 0 8px; font-weight: 700; }
.muted { color: var(--muted); }
.lead { font-size: 1.1rem; color: var(--muted); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.card .ic { font-size: 1.8rem; margin-bottom: 10px; }
.card h3 { color: var(--ink); }
.card p { color: var(--muted); margin: 0; }

/* town chips */
.towns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.town {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; font-weight: 600; font-size: .92rem; color: var(--ink);
}

/* ---------- Content / prose ---------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose p, .prose ul, .prose ol { color: #34433f; font-size: 1.05rem; }
.prose h2 { margin-top: 40px; }
.prose h3 { margin-top: 28px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.callout {
  background: var(--bg-soft); border-left: 4px solid var(--primary);
  padding: 18px 22px; border-radius: 10px; margin: 26px 0;
}
.callout.warn { border-left-color: var(--accent); background: #fdf4ec; }

/* ---------- Page header (interior) ---------- */
.page-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 56px 0; }
.page-hero h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: 0 0 12px; }
.breadcrumb { font-size: .9rem; color: var(--muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--muted); }

/* ---------- Partners (dofollow network) ---------- */
.partners .grid-2 { align-items: stretch; }
.partner-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.partner-card .tag { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); font-weight: 700; }
.partner-card h3 { margin: 8px 0 10px; }
.partner-card a.more { font-weight: 700; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--primary); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #d6ebe6; max-width: 560px; margin: 0 auto 26px; }

/* ---------- Footer ---------- */
.site-footer { background: #0e2b26; color: #b9cfca; padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
.site-footer h4 { color: #fff; font-size: .95rem; margin: 0 0 14px; }
.site-footer a { color: #b9cfca; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 9px; }
.footer-brand .brand { color: #fff; }
.footer-brand p { color: #93afa9; font-size: .92rem; max-width: 320px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 22px;
  font-size: .85rem; color: #7e9893; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 18px 22px; gap: 16px;
  }
  .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 70px; }
  .btn-ghost { margin-left: 0; margin-top: 10px; }
}