/* Light, clinical palette — deliberately not theme-switching. A medical
   booking page should look the same calm white for every patient. */
:root {
  --bg: #f7fafc;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --border: #e3e9f0;
  --border-strong: #cbd5e1;
  --text: #0f2233;
  --text-dim: #5f7286;
  --accent: #0d9488;
  --accent-dark: #0f766e;
  --accent-soft: #e6fbf7;
  --accent-ink: #0b4f48;
  --sky: #0ea5e9;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --warn: #b45309;
  --warn-soft: #fffbeb;
  --ok: #15803d;
  --ok-soft: #f0fdf4;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 34, 51, 0.05);
  --shadow: 0 1px 3px rgba(15, 34, 51, 0.05), 0 12px 32px -18px rgba(15, 34, 51, 0.25);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.22; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
a { color: var(--accent-dark); }

.wrap { max-width: 940px; margin: 0 auto; padding: 0 1.25rem; }

/* ---------- header ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-top: 0.8rem; padding-bottom: 0.8rem;
}
.logo { display: flex; align-items: center; gap: 0.65rem; font-weight: 650; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 11px; flex: none;
  background: linear-gradient(140deg, var(--accent), var(--sky));
  display: grid; place-items: center; font-size: 1.1rem;
  box-shadow: 0 4px 12px -4px rgba(13, 148, 136, 0.5);
}
.logo-sub { display: block; font-size: 0.76rem; color: var(--text-dim); font-weight: 400; }
.header-links { display: flex; align-items: center; gap: 1rem; font-size: 0.88rem; }
.header-links a { color: var(--text-dim); text-decoration: none; }
.header-links a:hover { color: var(--accent-dark); }
@media (max-width: 620px) { .header-links .hide-sm { display: none; } }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 1.5rem;
  padding: 3rem 0 1.5rem;
}
@media (max-width: 800px) { .hero { grid-template-columns: 1fr; padding-top: 2rem; } }

.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent-dark); background: var(--accent-soft);
  border-radius: 999px; padding: 0.3rem 0.75rem; margin-bottom: 1rem;
  font-weight: 600;
}
.hero h1 { font-size: clamp(1.9rem, 4.6vw, 2.9rem); }
.hero h1 .grad {
  background: linear-gradient(100deg, var(--accent), var(--sky));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede { color: var(--text-dim); font-size: 1.03rem; margin: 0 0 1.4rem; max-width: 46ch; }
.hero-cta { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.hero-visual { position: relative; min-height: 330px; }
@media (max-width: 800px) { .hero-visual { min-height: 240px; order: -1; } }
.hero-visual::before {
  content: ""; position: absolute; inset: 8%;
  background: radial-gradient(circle at 50% 45%, rgba(13, 148, 136, 0.14), rgba(14, 165, 233, 0.08) 45%, transparent 70%);
  filter: blur(24px);
}
.hero-visual canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-visual.fallback canvas { display: none; }
.hero-visual.fallback::after {
  content: "🦷"; position: absolute; inset: 0;
  display: grid; place-items: center; font-size: 6rem; opacity: 0.55;
}

.trust-row {
  display: flex; gap: 1.6rem; flex-wrap: wrap;
  padding: 1rem 0 0; margin-top: 1.2rem;
  border-top: 1px solid var(--border); font-size: 0.86rem; color: var(--text-dim);
}
.trust-row span { display: flex; align-items: center; gap: 0.4rem; }

/* ---------- generic ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem;
}
.muted { color: var(--text-dim); }
.small { font-size: 0.85rem; }
.center { text-align: center; }
.row { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }
.hidden { display: none !important; }
.section-title { font-size: 1.15rem; margin-bottom: 0.9rem; }

button, .btn {
  font: inherit;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 0.58rem 1.05rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.05s;
}
button:hover:not(:disabled), .btn:hover { border-color: var(--accent); color: var(--accent-dark); }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary, .btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: transparent; color: #fff; font-weight: 600;
  box-shadow: 0 6px 18px -8px rgba(13, 148, 136, 0.7);
}
button.primary:hover:not(:disabled), .btn.primary:hover { filter: brightness(1.07); color: #fff; }
button.ghost { background: transparent; border-color: var(--border); }
button.danger { color: var(--danger); border-color: #fecaca; background: var(--danger-soft); }
button.small { padding: 0.32rem 0.65rem; font-size: 0.82rem; }

input, select, textarea {
  font: inherit; width: 100%;
  padding: 0.58rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 3px solid rgba(13, 148, 136, 0.18);
  outline-offset: 0;
  border-color: var(--accent);
}
label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.3rem; }
.field { margin-bottom: 0.95rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.95rem; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 650;
  padding: 0.14rem 0.55rem; border-radius: 999px;
  background: var(--surface-2); color: var(--text-dim); text-transform: capitalize;
}
.badge.booked { background: var(--warn-soft); color: var(--warn); border: 1px solid #fde68a; }
.badge.confirmed { background: var(--accent-soft); color: var(--accent-ink); border: 1px solid #99f6e4; }
.badge.completed { background: var(--ok-soft); color: var(--ok); border: 1px solid #bbf7d0; }
.badge.cancelled, .badge.no_show { background: var(--danger-soft); color: var(--danger); border: 1px solid #fecaca; }

.notice {
  border-radius: 10px; padding: 0.75rem 0.95rem; font-size: 0.9rem;
  border: 1px solid var(--border); background: var(--surface-2); margin-bottom: 1rem;
}
.notice.error { background: var(--danger-soft); border-color: #fecaca; color: #991b1b; }
.notice.ok { background: var(--ok-soft); border-color: #bbf7d0; color: #166534; }

/* ---------- booking flow ---------- */
.steps { display: flex; gap: 0.4rem; margin: 0 0 1.1rem; flex-wrap: wrap; }
.step {
  display: flex; align-items: center; gap: 0.45rem;
  font-size: 0.83rem; color: var(--text-dim);
  padding: 0.3rem 0.75rem 0.3rem 0.35rem; border-radius: 999px;
  border: 1px solid transparent;
}
.step .n {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-size: 0.74rem; font-weight: 700;
  background: var(--surface-2); color: var(--text-dim);
}
.step.active { color: var(--text); border-color: var(--border); background: var(--surface); box-shadow: var(--shadow-sm); }
.step.active .n { background: var(--accent); color: #fff; }
.step.done .n { background: var(--accent-soft); color: var(--accent-ink); }

.panel { margin-bottom: 1.1rem; scroll-margin-top: 80px; }
.panel h2 { font-size: 1.08rem; }

.option-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 0.7rem; }
.option {
  text-align: start; padding: 0.85rem 1rem; border-radius: 11px;
  border: 1px solid var(--border); background: var(--surface); cursor: pointer;
  display: block; width: 100%; box-shadow: none;
}
.option:hover { border-color: var(--accent); background: #fbfffe; }
.option.selected {
  border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}
.option .opt-name { font-weight: 650; display: block; }
.option .opt-meta { font-size: 0.82rem; color: var(--text-dim); display: block; }
.option.selected .opt-meta { color: var(--accent-ink); opacity: 0.75; }

/* calendar */
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.7rem; }
.cal-title { font-weight: 650; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.cal-dow { text-align: center; font-size: 0.7rem; color: var(--text-dim); padding: 0.25rem 0; font-weight: 700; letter-spacing: 0.03em; }
.cal-day {
  aspect-ratio: 1; border-radius: 10px; border: 1px solid transparent;
  background: var(--surface-2); color: #a5b3c2;
  display: grid; place-items: center; font-size: 0.88rem; cursor: not-allowed; padding: 0;
}
.cal-day.open { background: var(--surface); border-color: var(--border-strong); color: var(--text); cursor: pointer; font-weight: 600; }
.cal-day.open:hover { border-color: var(--accent); background: var(--accent-soft); }
.cal-day.selected { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
.cal-day.blank { background: transparent; }

.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 0.5rem; }
.slot { padding: 0.55rem 0.3rem; text-align: center; font-variant-numeric: tabular-nums; }
.slot.selected { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }

.summary-line { display: flex; justify-content: space-between; gap: 1rem; padding: 0.4rem 0; font-size: 0.92rem; }
.summary-line + .summary-line { border-top: 1px solid var(--border); }
.summary-line span:first-child { color: var(--text-dim); }
.summary-line span:last-child { font-weight: 600; text-align: end; }

.ref-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.7rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--accent-dark); margin: 0.5rem 0;
}

/* ---------- who you're seeing ---------- */
.dentist-intro {
  display: flex; align-items: center; gap: 0.9rem;
  background: linear-gradient(120deg, var(--accent-soft), #eff6ff);
  border: 1px solid #b9ece4; border-radius: var(--radius);
  padding: 0.9rem 1.1rem; margin-bottom: 1.2rem;
}
.dentist-intro .di-avatar {
  width: 46px; height: 46px; border-radius: 50%; flex: none;
  background: linear-gradient(140deg, var(--accent), var(--sky));
  color: #fff; display: grid; place-items: center;
  font-size: 1.25rem; font-weight: 700;
  box-shadow: 0 4px 12px -4px rgba(13, 148, 136, 0.55);
}
.dentist-intro .di-label {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent-ink); opacity: 0.75; font-weight: 700;
}
.dentist-intro .di-name { font-weight: 700; font-size: 1.05rem; color: var(--accent-ink); }
.dentist-intro .di-title { font-size: 0.85rem; color: var(--accent-ink); opacity: 0.8; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.9rem; }
.contact-item {
  display: flex; gap: 0.75rem; align-items: flex-start;
  padding: 0.9rem 1rem; border: 1px solid var(--border); border-radius: 11px; background: var(--surface);
}
.contact-item .ci-icon {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: var(--accent-soft); display: grid; place-items: center; font-size: 1rem;
}
.contact-item .ci-label { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 650; }
.contact-item .ci-value { font-weight: 600; word-break: break-word; }
.contact-item a { text-decoration: none; }

.hours-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.hours-table td { padding: 0.35rem 0; border-bottom: 1px solid var(--border); }
.hours-table td:last-child { text-align: end; font-variant-numeric: tabular-nums; color: var(--text-dim); }
.hours-table tr:last-child td { border-bottom: none; }

.site-footer {
  margin-top: 3rem; padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--border); color: var(--text-dim); font-size: 0.85rem;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---------------------------------------------------------------- language */

.lang-toggle {
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  border-radius: 999px; padding: 0.3rem 0.75rem; font-size: 0.82rem; font-weight: 650;
  cursor: pointer; box-shadow: none; line-height: 1.4;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent-ink); }

/*
 * Arabic runs right-to-left. Nearly everything flips for free — flexbox, grid
 * and the logical `text-align: start/end` above all follow `dir` — so only the
 * things pinned to a physical side need saying twice.
 */
[dir="rtl"] .cal-title,
[dir="rtl"] .ref-code { direction: ltr; unicode-bidi: isolate; }

/* Phone numbers, clock times and booking references stay left-to-right even
   inside Arabic text, or the digits and separators reorder. */
[dir="rtl"] [dir="ltr"] { unicode-bidi: isolate; }

[dir="rtl"] .slot,
[dir="rtl"] .cal-day { direction: ltr; }

/* Arabic has no capitals, so the uppercased micro-labels lose their meaning. */
[dir="rtl"] .eyebrow,
[dir="rtl"] .contact-item .ci-label,
[dir="rtl"] .di-label { text-transform: none; letter-spacing: 0; }