/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ── Theme Variables ── */
:root, [data-theme="dark"] {
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --accent: #06b6d4;
  --success: #10b981;
  --violet: #a78bfa;
  --amber: #f59e0b;

  --bg: #0f0e17;
  --bg2: #1a1929;
  --card-bg: #1a1929;
  --card-border: rgba(255,255,255,0.07);
  --card-border-hover: rgba(79,70,229,0.35);
  --text: #f0eff7;
  --text-muted: #a09fc0;
  --text-sub: #6b6a8a;

  --header-bg: rgba(26,25,41,0.88);
  --shine: rgba(255,255,255,0.12);

  --grad-bg1: rgba(79,70,229,0.25);
  --grad-bg2: rgba(6,182,212,0.15);
  --grad-bg3: rgba(129,140,248,0.08);
  --grid-line: rgba(79,70,229,0.04);

  --hero-grad: linear-gradient(135deg, #c7d2fe 0%, #a5b4fc 40%, #67e8f9 100%);
}

[data-theme="light"] {
  --bg: #f4f3ff;
  --bg2: #ffffff;
  --card-bg: #ffffff;
  --card-border: rgba(0,0,0,0.07);
  --card-border-hover: rgba(79,70,229,0.4);
  --text: #1e1b3a;
  --text-muted: #6b6a8a;
  --text-sub: #a09fc0;

  --header-bg: rgba(255,255,255,0.88);
  --shine: rgba(255,255,255,0.6);

  --grad-bg1: rgba(79,70,229,0.08);
  --grad-bg2: rgba(6,182,212,0.06);
  --grad-bg3: rgba(129,140,248,0.04);
  --grid-line: rgba(79,70,229,0.04);

  --hero-grad: linear-gradient(135deg, #4338ca 0%, #6d28d9 50%, #0891b2 100%);
}

/* ── Body ── */
body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}

/* ── Background layers ── */
.bg-gradient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, var(--grad-bg1) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, var(--grad-bg2) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 60% 40%, var(--grad-bg3) 0%, transparent 50%);
  z-index: 0;
  pointer-events: none;
  transition: background 0.35s ease;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
  pointer-events: none;
}

/* ── Header ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  transition: background 0.35s ease;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary), #6d28d9);
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 17px;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(79,70,229,0.4);
  flex-shrink: 0;
}

.brand h1 {
  font-size: 19px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.4px;
  margin-bottom: 2px;
  transition: color 0.35s;
}

.brand p {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.header-right { display: flex; align-items: center; gap: 12px; }

.online-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  color: var(--success);
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
}

.online-badge .dot {
  width: 7px; height: 7px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Theme Toggle ── */
.theme-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.25s ease;
}

.theme-btn:hover {
  background: rgba(79,70,229,0.12);
  border-color: var(--card-border-hover);
  color: var(--primary-light);
}

/* show/hide sun & moon based on theme */
[data-theme="dark"]  .icon-moon { display: none; }
[data-theme="dark"]  .icon-sun  { display: block; }
[data-theme="light"] .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ── Main ── */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 32px 40px;
  position: relative;
  z-index: 1;
}

/* ── Hero ── */
.hero {
  text-align: center;
  margin-bottom: 52px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 8px 20px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 26px;
}

.pill-dot {
  width: 7px; height: 7px;
  background: var(--success);
  border-radius: 50%;
}

.hero-title {
  font-size: clamp(46px, 8vw, 78px);
  font-weight: 800;
  letter-spacing: -2.5px;
  margin-bottom: 18px;
  background: var(--hero-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.05;
}

.hero-desc {
  max-width: 640px;
  margin: 0 auto;
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  font-weight: 400;
}

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 44px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 20px 18px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: background 0.35s, border-color 0.35s;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--shine), transparent);
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.stat-value {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -1px;
}

.stat-value.indigo { color: var(--primary-light); }
.stat-value.accent { color: var(--accent); }
.stat-value.success{ color: var(--success); }
.stat-value.violet { color: var(--violet); }

/* ── Sections Grid ── */
.sections-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

/* ── Glass Card ── */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 26px 26px 22px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
  position: relative;
  overflow: hidden;
  transition: background 0.35s, border-color 0.35s, box-shadow 0.35s;
}

[data-theme="dark"] .glass-card {
  box-shadow: 0 32px 64px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.04) inset;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--shine), transparent);
}

/* ── Section Header ── */
.section-header {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 20px;
}

.section-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), #6d28d9);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 6px 18px rgba(79,70,229,0.35);
  flex-shrink: 0;
}

.section-icon.accent {
  background: linear-gradient(135deg, var(--accent), #0284c7);
  box-shadow: 0 6px 18px rgba(6,182,212,0.3);
}

.section-header h2 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.3px;
  margin-bottom: 2px;
}

.section-header p {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Menu Grid ── */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.menu-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 18px 12px 14px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all 0.25s ease;
  position: relative;
}

[data-theme="light"] .menu-card {
  background: rgba(0,0,0,0.02);
}

.menu-card:hover {
  background: rgba(79,70,229,0.08);
  border-color: var(--card-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(79,70,229,0.15);
}

/* ── Menu Icon Wrap ── */
.menu-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  transition: transform 0.25s ease;
}

.menu-card:hover .menu-icon-wrap {
  transform: scale(1.08);
}

.color-indigo { background: rgba(79,70,229,0.15);  color: #818cf8; }
.color-cyan   { background: rgba(6,182,212,0.15);   color: #22d3ee; }
.color-violet { background: rgba(167,139,250,0.15); color: #a78bfa; }
.color-green  { background: rgba(16,185,129,0.15);  color: #34d399; }
.color-amber  { background: rgba(245,158,11,0.15);  color: #fbbf24; }
.color-rose   { background: rgba(244,114,182,0.15); color: #f472b6; }

[data-theme="light"] .color-indigo { background: rgba(79,70,229,0.1);  color: #4338ca; }
[data-theme="light"] .color-cyan   { background: rgba(6,182,212,0.1);  color: #0891b2; }
[data-theme="light"] .color-violet { background: rgba(167,139,250,0.1);color: #7c3aed; }
[data-theme="light"] .color-green  { background: rgba(16,185,129,0.1); color: #059669; }
[data-theme="light"] .color-amber  { background: rgba(245,158,11,0.1); color: #d97706; }
[data-theme="light"] .color-rose   { background: rgba(244,114,182,0.1);color: #db2777; }

.menu-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  transition: color 0.35s;
}

.menu-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  font-weight: 500;
}

.menu-arrow {
  margin-top: 4px;
  color: var(--primary-light);
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.25s ease;
}

.menu-card:hover .menu-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ── Footer ── */
footer {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 32px;
  text-align: center;
  border-top: 1px solid var(--card-border);
  font-size: 13px;
  color: var(--text-sub);
  font-weight: 500;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .sections-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-inner { padding: 13px 20px; }
  main { padding: 36px 20px 28px; }
  .hero-title { font-size: 42px; letter-spacing: -1.5px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .online-badge span:not(.dot) { display: none; }
}

@media (max-width: 480px) {
  .menu-grid { grid-template-columns: 1fr; }
  .menu-card {
    flex-direction: row;
    text-align: left;
    padding: 14px 16px;
    gap: 14px;
  }
  .menu-icon-wrap { margin-bottom: 0; flex-shrink: 0; }
  .menu-arrow { margin-top: 0; margin-left: auto; opacity: 1; transform: none; }
}