/* Sirivet Animal Hospital — site styles
   Plain CSS, no build step, no external requests. */

:root {
  --color-primary: #0f6e63;
  --color-primary-dark: #0b5049;
  --color-accent: #e07a3f;
  --color-text: #1e2624;
  --color-text-muted: #52625d;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f8f7;
  --color-border: #dce6e3;
  --color-card-bg: #ffffff;
  --shadow-sm: 0 1px 3px rgba(15, 110, 99, 0.08);
  --shadow-md: 0 4px 16px rgba(15, 110, 99, 0.10);
  --radius: 10px;
  --max-width: 1080px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans Thai", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-primary);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
  border-radius: 0 0 6px 0;
}

.skip-link:focus {
  left: 0;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-primary);
}

/* Hero */

.hero {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: 3.5rem 0 3rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin: 0 0 0.75rem;
  color: var(--color-primary-dark);
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 42rem;
  margin: 0 auto 1.75rem;
}

.cta-group {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.98rem;
  border: 2px solid transparent;
  transition: transform 0.08s ease, background 0.15s ease, color 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-bg-alt);
}

/* Sections */

section {
  padding: 3rem 0;
}

section + section {
  border-top: 1px solid var(--color-border);
}

.section-alt {
  background: var(--color-bg-alt);
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--color-primary-dark);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.section-intro {
  color: var(--color-text-muted);
  max-width: 46rem;
  margin-bottom: 2rem;
}

/* About */

.about-list {
  margin: 1.25rem 0 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.about-list li {
  margin-bottom: 0.4rem;
}

/* Branches */

.branch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.branch-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.branch-card h3 {
  margin-top: 0;
  margin-bottom: 0.25rem;
  color: var(--color-primary-dark);
  font-size: 1.15rem;
}

.branch-badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.branch-card dl {
  margin: 0.75rem 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.3rem 0.75rem;
  font-size: 0.95rem;
}

.branch-card dt {
  font-weight: 600;
  color: var(--color-text-muted);
}

.branch-card dd {
  margin: 0;
}

.placeholder {
  color: var(--color-accent);
  font-style: italic;
}

/* Services */

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.4rem;
  box-shadow: var(--shadow-sm);
}

.service-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
}

.service-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* Company information (Meta verification) */

.company-info {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 1.75rem;
}

.company-info dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: 0.65rem 1.25rem;
}

.company-info dt {
  font-weight: 600;
  color: var(--color-text-muted);
}

.company-info dd {
  margin: 0;
}

@media (max-width: 560px) {
  .company-info dl {
    grid-template-columns: 1fr;
  }
  .company-info dt {
    margin-top: 0.5rem;
  }
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.contact-card h3 {
  margin-top: 0;
  color: var(--color-primary-dark);
  font-size: 1.05rem;
}

.contact-secondary {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Footer */

.site-footer {
  background: var(--color-primary-dark);
  color: #e7f2f0;
  padding: 2rem 0;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  align-items: center;
  justify-content: space-between;
}

.site-footer a {
  color: #e7f2f0;
  text-decoration: underline;
}

.footer-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.88rem;
  margin: 0;
}

/* Privacy page */

.legal-page main {
  padding: 2.5rem 0 4rem;
}

.legal-page h1 {
  color: var(--color-primary-dark);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
}

.legal-page h2 {
  margin-top: 2rem;
}

.legal-page .updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Utility */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}