@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --bg: #070b14;
  --bg2: #0d1424;
  --bg3: #111827;
  --surface: #141e2e;
  --surface2: #1a2640;
  --border: rgba(99,102,241,.18);
  --border2: rgba(255,255,255,.06);
  --primary: #6366f1;
  --primary2: #818cf8;
  --accent: #06d6a0;
  --accent2: #ec4899;
  --text: #f1f5f9;
  --text2: #94a3b8;
  --text3: #64748b;
  --gold: #f59e0b;
  --radius: 16px;
  --radius2: 24px;
  --shadow: 0 8px 32px rgba(0,0,0,.45);
  --glow: 0 0 40px rgba(99,102,241,.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ── Typography ── */
h1,h2,h3,h4,h5 { font-family: 'Playfair Display', serif; line-height: 1.2; }
.display { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 700; }
.headline { font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 600; }
.subheadline { font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 400; color: var(--text2); }

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

/* ── Gradient Text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary2), var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 24px;
  background: rgba(7,11,20,.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all .3s;
}
.navbar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; height: 70px; gap: 32px;
}
.navbar-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem; font-weight: 700;
  color: var(--text); text-decoration: none;
}
.navbar-logo .logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.navbar-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.navbar-nav a {
  padding: 8px 16px; border-radius: 8px;
  color: var(--text2); text-decoration: none;
  font-size: .9rem; font-weight: 500;
  transition: all .2s;
}
.navbar-nav a:hover { color: var(--text); background: var(--surface); }
.navbar-nav a.active { color: var(--primary2); }
.navbar-cta {
  display: flex; align-items: center; gap: 10px; margin-left: 8px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 50px;
  font-size: .9rem; font-weight: 600;
  cursor: pointer; transition: all .25s;
  text-decoration: none; border: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,.5); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
}
.btn-outline:hover { border-color: var(--primary); color: var(--text); background: rgba(99,102,241,.1); }
.btn-accent {
  background: linear-gradient(135deg, var(--accent), #059669);
  color: #fff;
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(6,214,160,.4); }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-sm { padding: 7px 16px; font-size: .82rem; }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 100px 0 60px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99,102,241,.2) 0%, transparent 60%),
              radial-gradient(ellipse 40% 40% at 90% 80%, rgba(6,214,160,.1) 0%, transparent 50%),
              var(--bg);
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0; opacity: .04;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 1; max-width: 680px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(99,102,241,.12); border: 1px solid rgba(99,102,241,.3);
  color: var(--primary2); padding: 8px 16px; border-radius: 50px;
  font-size: .85rem; font-weight: 600; margin-bottom: 28px;
}
.hero-badge span { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.3)} }
.hero-title { margin-bottom: 20px; }
.hero-subtitle { font-size: 1.1rem; color: var(--text2); margin-bottom: 40px; line-height: 1.7; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 32px; }
.stat-item { text-align: left; }
.stat-number { font-family: 'Playfair Display', serif; font-size: 1.8rem; font-weight: 700; color: var(--text); }
.stat-label { font-size: .82rem; color: var(--text3); }
.hero-visual {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 520px; pointer-events: none; z-index: 1;
}

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius2);
  overflow: hidden;
  transition: all .3s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border);
  box-shadow: var(--glow);
}
.card-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ── Educator Card ── */
.educator-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius2);
  padding: 28px;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.educator-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.educator-card:hover { transform: translateY(-6px); border-color: rgba(99,102,241,.3); box-shadow: var(--glow); }
.educator-card:hover::before { transform: scaleX(1); }
.educator-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  object-fit: cover; border: 3px solid var(--border);
  margin-bottom: 16px;
}
.educator-name { font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }
.educator-title { font-size: .85rem; color: var(--primary2); font-weight: 500; margin-bottom: 8px; }
.educator-spec { font-size: .82rem; color: var(--text3); margin-bottom: 16px; line-height: 1.5; }
.educator-meta { display: flex; align-items: center; gap: 12px; font-size: .82rem; color: var(--text3); margin-bottom: 18px; flex-wrap: wrap; }
.meta-item { display: flex; align-items: center; gap: 4px; }
.rating { color: var(--gold); }
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 50px;
  font-size: .75rem; font-weight: 600;
}
.badge-primary { background: rgba(99,102,241,.15); color: var(--primary2); border: 1px solid rgba(99,102,241,.2); }
.badge-accent  { background: rgba(6,214,160,.1);   color: var(--accent);  border: 1px solid rgba(6,214,160,.2); }
.badge-gold    { background: rgba(245,158,11,.1);  color: var(--gold);    border: 1px solid rgba(245,158,11,.2); }
.badge-pink    { background: rgba(236,72,153,.1);  color: var(--accent2); border: 1px solid rgba(236,72,153,.2); }
.badge-green   { background: rgba(34,197,94,.1);   color: #4ade80;        border: 1px solid rgba(34,197,94,.2); }
.badge-red     { background: rgba(239,68,68,.1);   color: #f87171;        border: 1px solid rgba(239,68,68,.2); }
.badge-gray    { background: rgba(148,163,184,.1); color: var(--text3);   border: 1px solid rgba(148,163,184,.2); }
.educator-price { font-size: 1.3rem; font-weight: 700; color: var(--text); }
.educator-price small { font-size: .75rem; color: var(--text3); font-weight: 400; }
.educator-actions { display: flex; gap: 10px; margin-top: 16px; }

/* ── Grid ── */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ── Section Header ── */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(99,102,241,.1); border: 1px solid rgba(99,102,241,.2);
  color: var(--primary2); padding: 6px 14px; border-radius: 50px;
  font-size: .8rem; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; margin-bottom: 16px;
}
.section-title { margin-bottom: 14px; }
.section-desc { max-width: 560px; margin: 0 auto; color: var(--text2); font-size: 1rem; }

/* ── Category Pills ── */
.category-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 50px;
  border: 1px solid var(--border2);
  background: var(--surface);
  cursor: pointer; transition: all .2s;
  text-decoration: none; color: var(--text2); font-size: .88rem;
}
.category-pill:hover, .category-pill.active {
  border-color: var(--primary); color: var(--text);
  background: rgba(99,102,241,.12);
}

/* ── Form ── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: .85rem; font-weight: 600; color: var(--text2); margin-bottom: 8px; }
.form-control {
  width: 100%; padding: 12px 16px; border-radius: 12px;
  background: var(--surface2); border: 1px solid var(--border2);
  color: var(--text); font-size: .9rem; font-family: inherit;
  transition: border-color .2s;
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.15); }
.form-control::placeholder { color: var(--text3); }
textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control { cursor: pointer; }

/* ── Alert ── */
.alert {
  padding: 14px 18px; border-radius: 12px; margin-bottom: 20px;
  font-size: .9rem; display: flex; align-items: flex-start; gap: 10px;
}
.alert-success { background: rgba(6,214,160,.08); border: 1px solid rgba(6,214,160,.2); color: #34d399; }
.alert-error   { background: rgba(239,68,68,.08);  border: 1px solid rgba(239,68,68,.2);  color: #f87171; }
.alert-warning { background: rgba(245,158,11,.08); border: 1px solid rgba(245,158,11,.2); color: #fbbf24; }
.alert-info    { background: rgba(99,102,241,.08); border: 1px solid rgba(99,102,241,.2); color: var(--primary2); }

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { padding: 12px 16px; text-align: left; font-size: .78rem; font-weight: 600; color: var(--text3); text-transform: uppercase; letter-spacing: .06em; border-bottom: 1px solid var(--border2); }
td { padding: 14px 16px; font-size: .88rem; border-bottom: 1px solid rgba(255,255,255,.04); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

/* ── Panel Layout ── */
.panel-layout { display: flex; min-height: 100vh; padding-top: 70px; }
.sidebar {
  width: 260px; background: var(--bg2);
  border-right: 1px solid var(--border2);
  padding: 32px 16px; position: fixed; top: 70px;
  height: calc(100vh - 70px); overflow-y: auto;
  transition: transform .3s;
}
.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 0 8px 24px; border-bottom: 1px solid var(--border2);
  margin-bottom: 24px;
}
.sidebar-logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.sidebar-logo-text { font-family: 'Playfair Display', serif; font-size: 1rem; font-weight: 700; }
.nav-section { margin-bottom: 24px; }
.nav-section-title { font-size: .7rem; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: .1em; padding: 0 10px; margin-bottom: 6px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 10px; border-radius: 10px;
  color: var(--text2); text-decoration: none;
  font-size: .88rem; font-weight: 500;
  transition: all .2s; margin-bottom: 2px;
}
.nav-item:hover { background: var(--surface); color: var(--text); }
.nav-item.active { background: rgba(99,102,241,.12); color: var(--primary2); }
.nav-item .nav-icon { width: 20px; text-align: center; font-size: 1rem; }
.panel-content { margin-left: 260px; flex: 1; padding: 32px; }

/* ── Stats Widget ── */
.stat-card {
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: var(--radius); padding: 24px;
}
.stat-card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 16px;
}
.stat-card-value { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 700; }
.stat-card-label { font-size: .83rem; color: var(--text3); margin-top: 4px; }

/* ── Time Slot ── */
.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 8px; }
.slot-btn {
  padding: 10px; border-radius: 10px; text-align: center;
  border: 1px solid var(--border2); background: var(--surface);
  color: var(--text2); cursor: pointer; font-size: .85rem; font-weight: 500;
  transition: all .2s;
}
.slot-btn:hover { border-color: var(--primary); color: var(--text); background: rgba(99,102,241,.1); }
.slot-btn.selected { background: var(--primary); border-color: var(--primary); color: #fff; }
.slot-btn.booked { opacity: .3; cursor: not-allowed; pointer-events: none; }

/* ── Footer ── */
.footer {
  background: var(--bg2); border-top: 1px solid var(--border2);
  padding: 64px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-logo { font-family: 'Playfair Display', serif; font-size: 1.3rem; font-weight: 700; margin-bottom: 14px; }
.footer-desc { color: var(--text3); font-size: .88rem; line-height: 1.7; }
.footer-heading { font-size: .78rem; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text3); text-decoration: none; font-size: .88rem; transition: color .2s; }
.footer-links a:hover { color: var(--primary2); }
.footer-bottom { border-top: 1px solid var(--border2); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; color: var(--text3); font-size: .83rem; }

/* ── Modals & Overlays ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.7); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .3s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: var(--radius2); padding: 36px; width: 100%; max-width: 480px;
  transform: scale(.95); transition: transform .3s;
  max-height: 90vh; overflow-y: auto;
}
.modal-overlay.open .modal { transform: scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.modal-title { font-size: 1.2rem; font-weight: 700; }
.modal-close { width: 32px; height: 32px; border-radius: 8px; border: none; background: var(--surface2); color: var(--text2); cursor: pointer; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; }

/* ── Hero Floating Cards ── */
.hero-float-card {
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: 16px; padding: 16px 20px;
  box-shadow: var(--shadow); backdrop-filter: blur(10px);
}

/* ── Review Stars ── */
.stars { color: var(--gold); letter-spacing: 2px; }

/* ── Animations ── */
@keyframes fadeInUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.animate-fade-up { animation: fadeInUp .6s ease forwards; }
.animate-float { animation: float 4s ease-in-out infinite; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }

/* ── Feature Box ── */
.feature-box {
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: var(--radius); padding: 28px;
  transition: all .3s;
}
.feature-box:hover { border-color: var(--primary); box-shadow: var(--glow); }
.feature-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: rgba(99,102,241,.12); border: 1px solid rgba(99,102,241,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 18px;
}
.feature-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; }
.feature-desc { font-size: .88rem; color: var(--text2); line-height: 1.6; }

/* ── Avatar Stack ── */
.avatar-stack { display: flex; }
.avatar-stack img {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid var(--bg); object-fit: cover;
  margin-left: -10px;
}
.avatar-stack img:first-child { margin-left: 0; }

/* ── Breadcrumb ── */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .83rem; color: var(--text3); margin-bottom: 32px; }
.breadcrumb a { color: var(--text3); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary2); }
.breadcrumb-sep { opacity: .4; }

/* ── Loading ── */
.spinner {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--border2);
  border-top-color: var(--primary);
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .navbar-nav { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .sidebar { transform: translateX(-100%); z-index: 999; }
  .sidebar.open { transform: translateX(0); }
  .panel-content { margin-left: 0; padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
}