:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #e8e4dd;
  --fg-muted: #8a8680;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.15);
  --accent-glow: rgba(245, 158, 11, 0.08);
  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.15);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.15);
  --border: #2a2a2a;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAV ===== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }
.btn-nav {
  background: var(--accent);
  color: #0a0a0a !important;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 14px !important;
}
.btn-nav:hover { opacity: 0.9; }

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: 900px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  width: fit-content;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.hero h1 .accent { color: var(--accent); }
.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.7;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--fg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid var(--border);
  transition: all 0.2s;
  cursor: pointer;
}
.btn-secondary:hover { border-color: var(--fg-muted); }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 28px 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: fit-content;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 4px;
  letter-spacing: 0.5px;
}
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ===== SECTIONS ===== */
section { padding: 80px 24px; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.15;
}
.section-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* ===== SERVICES GRID ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.service-icon { font-size: 2rem; margin-bottom: 12px; }
.service-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.service-desc { font-size: 0.88rem; color: var(--fg-muted); line-height: 1.5; }

/* ===== HOW IT WORKS ===== */
.steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-dim);
  line-height: 1;
  margin-bottom: 16px;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.step p { font-size: 0.88rem; color: var(--fg-muted); line-height: 1.6; }

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
  color: var(--fg-muted);
  font-size: 0.9rem;
}
footer a { color: var(--accent); text-decoration: none; }

/* ===== FORM STYLES ===== */
.form-section {
  max-width: 680px;
  margin: 0 auto;
  padding: 60px 24px;
}
.form-header { text-align: center; margin-bottom: 40px; }
.form-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.form-header p { color: var(--fg-muted); font-size: 1rem; }

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
label {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
input, select, textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  transition: border-color 0.2s;
  width: 100%;
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}
input::placeholder, textarea::placeholder { color: var(--fg-muted); opacity: 0.6; }
select option { background: var(--bg-card); }
textarea { resize: vertical; min-height: 80px; }

.form-submit { margin-top: 24px; }
.btn-submit {
  width: 100%;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.error-banner {
  background: var(--red-dim);
  border: 1px solid var(--red);
  color: #fca5a5;
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14px;
  margin-bottom: 24px;
}
.success-card {
  background: var(--green-dim);
  border: 1px solid var(--green);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
}
.success-icon { font-size: 3rem; margin-bottom: 16px; }
.success-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--green);
}
.ai-message-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
  text-align: left;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg);
}
.ai-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

/* ===== ADMIN ===== */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 220px;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  flex-shrink: 0;
}
.admin-logo {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.admin-logo span { display: block; font-size: 11px; color: var(--fg-muted); font-weight: 400; margin-top: 2px; letter-spacing: 0.5px; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s;
}
.sidebar-link:hover, .sidebar-link.active { color: var(--fg); background: var(--bg-card); }
.sidebar-link .icon { font-size: 16px; }

.admin-main { flex: 1; overflow-x: hidden; }
.admin-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-header h1 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.admin-content { padding: 32px; }

.stats-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.stat-card .num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
}
.stat-card .lbl { font-size: 12px; color: var(--fg-muted); margin-top: 4px; letter-spacing: 0.5px; }

.week-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; margin-bottom: 32px; }
.day-col {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 200px;
}
.day-header {
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
}
.day-header.today { color: var(--accent); border-bottom-color: var(--accent); }
.day-bookings { padding: 8px; }
.booking-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.booking-chip:hover { border-color: var(--accent); }
.booking-chip .bc-name { font-weight: 600; color: var(--fg); }
.booking-chip .bc-service { color: var(--fg-muted); margin-top: 2px; }
.booking-chip .bc-time { color: var(--accent); font-size: 11px; margin-top: 2px; }

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.status-pending { background: rgba(245,158,11,0.15); color: var(--accent); }
.status-confirmed { background: var(--green-dim); color: var(--green); }
.status-in_progress { background: rgba(59,130,246,0.15); color: #60a5fa; }
.status-completed { background: rgba(107,114,128,0.15); color: #9ca3af; }
.status-cancelled { background: var(--red-dim); color: var(--red); }

.bookings-table { width: 100%; border-collapse: collapse; }
.bookings-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.bookings-table td {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.bookings-table tr:hover td { background: var(--bg-elevated); }

.status-select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg);
  font-size: 13px;
  padding: 6px 10px;
  cursor: pointer;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .form-grid { grid-template-columns: 1fr; }
  .week-grid { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
  .stat-divider { display: none; }
  nav .nav-links { display: none; }
}