/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent: #f59e0b;
  --text: #111827;
  --text-muted: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e5e7eb;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: all .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary-light); }
.btn-lg { padding: 14px 32px; font-size: 17px; border-radius: 10px; }
.btn-full { width: 100%; }

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
}
.logo-icon { font-size: 24px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--primary); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg-shape {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 50%, #fefce8 100%);
  z-index: -1;
}
.hero-content {
  position: relative;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
}
.gradient-text {
  background: linear-gradient(90deg, var(--primary), #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 52px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat strong { display: block; font-size: 28px; font-weight: 800; color: var(--primary); }
.stat span { font-size: 13px; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ===== SECTIONS ===== */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin-bottom: 12px; }
.section-header p { font-size: 17px; color: var(--text-muted); }

/* ===== CARDS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: box-shadow .3s, transform .3s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card-featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 99px;
  white-space: nowrap;
}
.card-icon { font-size: 36px; margin-bottom: 16px; }
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--text-muted); font-size: 15px; }

/* ===== STEPS ===== */
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
}
.step-number {
  width: 52px;
  height: 52px;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: 15px; }
.step-arrow {
  font-size: 36px;
  color: var(--border);
  align-self: center;
  padding-bottom: 24px;
}

/* ===== PRICING ===== */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  align-items: start;
}
.price-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  text-align: center;
}
.price-card-featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light), var(--shadow-lg);
  transform: scale(1.04);
}
.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 99px;
}
.price-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.price { font-size: 44px; font-weight: 800; color: var(--primary); margin: 12px 0 4px; }
.price-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.price-card ul { list-style: none; text-align: left; margin-bottom: 28px; }
.price-card ul li { padding: 6px 0; font-size: 15px; border-bottom: 1px solid var(--border); }
.price-card ul li:last-child { border-bottom: none; }

/* ===== BOOKING ===== */
.booking-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.calendar-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}
.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  font-size: 17px;
  font-weight: 700;
}
.cal-nav {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}
.cal-nav:hover { background: var(--primary-light); color: var(--primary); }
.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.cal-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.cal-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  border: 2px solid transparent;
  user-select: none;
}
.cal-day.empty { cursor: default; }
.cal-day.past { color: #d1d5db; cursor: not-allowed; }
.cal-day.available:hover { background: var(--primary-light); color: var(--primary); }
.cal-day.busy { background: #fef2f2; color: #ef4444; cursor: not-allowed; font-size: 12px; }
.cal-day.busy::after { content: '●'; display: block; font-size: 8px; color: #ef4444; }
.cal-day.selected { background: var(--primary); color: #fff; border-color: var(--primary-dark); }
.cal-day.today { font-weight: 800; border-color: var(--primary); }
.cal-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 4px;
}
.dot-available { background: var(--primary-light); border: 1px solid var(--primary); }
.dot-busy { background: #fef2f2; border: 1px solid #ef4444; }
.dot-selected { background: var(--primary); }

/* Booking form side */
.booking-form-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  min-height: 340px;
}
.pick-date-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 260px;
  color: var(--text-muted);
  font-size: 16px;
  font-style: italic;
  text-align: center;
}
.selected-date-display {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  padding: 10px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.time-label { font-weight: 600; font-size: 14px; margin-bottom: 12px; }
.slots { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.slot-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.slot-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.slot-btn.selected { background: var(--primary); color: #fff; border-color: var(--primary); }
.slot-btn.taken { background: #f3f4f6; color: #d1d5db; cursor: not-allowed; text-decoration: line-through; }

.booking-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color .2s;
  background: var(--bg);
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.form-group input.error,
.form-group select.error { border-color: #ef4444; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  cursor: pointer;
  margin-top: 4px;
}
.form-note { font-size: 12px; color: var(--text-muted); margin-top: 10px; text-align: center; }

.booking-success {
  text-align: center;
  padding: 32px 16px;
}
.success-icon { font-size: 48px; margin-bottom: 12px; }
.booking-success h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.booking-success p { color: var(--text-muted); margin-bottom: 24px; }

/* ===== REVIEWS ===== */
.reviews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.stars { font-size: 20px; color: var(--accent); margin-bottom: 12px; }
.review-card p { color: var(--text-muted); font-style: italic; margin-bottom: 16px; font-size: 15px; }
.reviewer { font-size: 14px; font-weight: 600; color: var(--text); }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}
.contact-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
}
.contact-icon { font-size: 32px; margin-bottom: 12px; }
.contact-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.contact-item a { color: var(--primary); text-decoration: none; font-weight: 600; font-size: 15px; }
.contact-item a:hover { text-decoration: underline; }
.contact-item p { color: var(--text); font-size: 15px; }

/* ===== FOOTER ===== */
.footer {
  background: var(--text);
  color: #9ca3af;
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer .logo { color: #fff; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: #9ca3af; text-decoration: none; font-size: 14px; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer p { font-size: 14px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-links a:last-child { border-bottom: none; }
  .hamburger { display: flex; }
  .navbar { position: relative; }

  .hero { padding: 60px 0 48px; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }

  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }

  .booking-wrapper { grid-template-columns: 1fr; }
  .price-card-featured { transform: scale(1); }

  .booking-form .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .section { padding: 56px 0; }
  .cal-day { font-size: 13px; }
}