/* ============================================================
   หมอแล็บตราด คลินิกเทคนิคการแพทย์ — styles
   แก้สีแบรนด์ที่ตัวแปร :root ด้านล่าง
   ============================================================ */

:root {
  --color-brand: #8a6a43; /* primary — warm brown, from the clinic logo */
  --color-brand-dark: #6b5233;
  --color-accent: #2f8f6b; /* clinical green — call-to-action */
  --color-accent-dark: #257157;
  --color-ink: #2a2018;
  --color-body: #574b3e;
  --color-muted: #8a7c6c;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f3ee;
  --color-border: #e7ded2;
  --color-on-brand: #ffffff;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(42, 32, 24, 0.06);
  --shadow-md: 0 10px 30px -12px rgba(42, 32, 24, 0.20);

  --space-section: clamp(3.5rem, 8vw, 6rem);
  --container: 1120px;

  --font: "IBM Plex Sans Thai", system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-head: "Plus Jakarta Sans", "IBM Plex Sans Thai", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-body);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  color: var(--color-ink);
  line-height: 1.25;
  margin: 0 0 0.5em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--color-brand-dark);
}

img,
iframe {
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-brand);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease,
    border-color 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-brand);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
}
.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-ink);
  background: #fff;
}
.btn-ghost:hover {
  border-color: var(--color-brand);
  color: var(--color-brand-dark);
}
.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
}
.btn-block {
  width: 100%;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 700;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--color-brand);
  color: #fff;
  font-size: 1rem;
  flex: none;
}
.brand-logo {
  height: 34px;
  width: auto;
}
.brand-name {
  font-size: 1.05rem;
}
.brand-sub {
  color: var(--color-muted);
  font-weight: 500;
}
@media (max-width: 560px) {
  .brand-sub {
    display: none;
  }
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin: 0;
  padding: 0;
}
.nav-menu a {
  text-decoration: none;
  color: var(--color-body);
  font-weight: 500;
}
.nav-menu a:hover {
  color: var(--color-brand-dark);
}
.nav-menu a.btn {
  color: var(--color-on-brand);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  position: relative;
  cursor: pointer;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  transform: translateX(-50%);
}
.nav-toggle-bar {
  top: 50%;
}
.nav-toggle-bar::before {
  top: -6px;
}
.nav-toggle-bar::after {
  top: 6px;
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 1.25rem 1.25rem;
    display: none;
  }
  .nav-menu.is-open {
    display: flex;
  }
  .nav-menu a {
    padding: 0.6rem 0;
  }
  .nav-menu a.btn {
    margin-top: 0.5rem;
  }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--color-bg-alt), #fff);
  padding: clamp(3rem, 7vw, 5rem) 0 var(--space-section);
}
.hero-inner {
  max-width: 780px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-brand-dark);
  margin-bottom: 0.75rem;
}
.hero h1 {
  font-family: var(--font-head);
}
.hero-lead {
  font-size: 1.12rem;
  color: var(--color-body);
  margin-bottom: 1.75rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 2.5rem 0 0;
  padding: 0;
}
.hero-stats strong {
  display: block;
  font-size: 1.35rem;
  color: var(--color-ink);
}
.hero-stats span {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* ---------- Sections ---------- */
.section {
  padding: var(--space-section) 0;
}
.section-alt {
  background: var(--color-bg-alt);
}
.section-head {
  max-width: 640px;
  margin: 0 0 2.5rem;
}
.section-head h2 {
  font-family: var(--font-head);
}
.section-head p {
  color: var(--color-muted);
  margin: 0;
}

.grid {
  display: grid;
  gap: 1.25rem;
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.card,
.feature {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.card p,
.feature p {
  margin: 0;
  color: var(--color-body);
  font-size: 0.97rem;
}

/* ---------- Packages ---------- */
.price-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.price-card-featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}
.badge {
  align-self: flex-start;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  margin: 0 0 0.75rem;
}
.price {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--color-ink);
  margin: 0 0 1rem;
  font-family: var(--font-head);
}
.price-card ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  flex: 1;
}
.price-card li {
  padding: 0.4rem 0 0.4rem 1.5rem;
  position: relative;
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.price-card li:first-child {
  border-top: 0;
}
.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.card-note {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0 0 1.25rem;
}
.fineprint {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}
.contact-grid h2 {
  font-family: var(--font-head);
}
.contact-list {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
}
.contact-list li {
  display: flex;
  gap: 1rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--color-border);
}
.contact-label {
  flex: 0 0 90px;
  font-weight: 700;
  color: var(--color-ink);
}
.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 320px;
  background: var(--color-bg-alt);
}
.map-wrap iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: #d8ccbe;
  padding: 2rem 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.9rem;
}
.footer-inner p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* ---------- Price “was” + home-visit callout (added) ---------- */
.price-was {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-muted);
  text-decoration: line-through;
  margin-left: 0.4rem;
}
.callout {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  max-width: 760px;
}
.callout h2 {
  font-family: var(--font-head);
  margin-bottom: 0.5rem;
}
.callout p {
  color: var(--color-body);
}