html {
  color-scheme: light;
}

html[data-theme="light"] {
  color-scheme: light;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

:root {
  --bg: #f8fafc;
  --bg-2: #eef2ff;
  --text: #0f172a;
  --muted: #475569;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --border: rgba(15, 23, 42, 0.10);
  --shadow: 0 16px 40px rgba(2, 6, 23, 0.10);
  --shadow-sm: 0 10px 26px rgba(2, 6, 23, 0.10);
  --radius: 18px;

  --primary-1: #4f46e5;
  --primary-2: #06b6d4;
  --accent: #9333ea;
  --success: #22c55e;

  --grad-primary: linear-gradient(135deg, var(--primary-1), var(--primary-2));
  --grad-soft: linear-gradient(135deg, rgba(79, 70, 229, 0.10), rgba(6, 182, 212, 0.10));
  --grad-soft-2: radial-gradient(900px 400px at 10% 0%, rgba(147, 51, 234, 0.12), transparent 60%),
                 radial-gradient(900px 400px at 90% 10%, rgba(6, 182, 212, 0.14), transparent 60%),
                 radial-gradient(900px 400px at 50% 100%, rgba(79, 70, 229, 0.10), transparent 55%);

  --nav-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(238, 242, 255, 0.84));
  --nav-link: rgba(15, 23, 42, 0.82);
  --nav-link-hover: rgba(15, 23, 42, 1);
}

html[data-theme="dark"] {
  --bg: #0f172a;
  --bg-2: #111c35;
  --text: #e2e8f0;
  --muted: rgba(226, 232, 240, 0.72);
  --surface: rgba(17, 24, 39, 0.65);
  --surface-solid: #111827;
  --border: rgba(226, 232, 240, 0.10);
  --shadow: 0 16px 44px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.35);

  --nav-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.08));
  --nav-link: rgba(226, 232, 240, 0.82);
  --nav-link-hover: rgba(226, 232, 240, 1);
}

body {
  background-color: var(--bg);
  background-image: var(--grad-soft-2), linear-gradient(180deg, rgba(238, 242, 255, 0.40), rgba(248, 250, 252, 0));
  color: var(--text);
  font-family: Roboto, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main.container {
  padding-top: 1.25rem !important;
  padding-bottom: 2.5rem !important;
}

.text-muted,
.text-bg-secondary {
  color: var(--muted) !important;
}

.text-bg-secondary {
  background-image: var(--grad-soft) !important;
  border: 1px solid var(--border) !important;
}

.bg-white {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  border-radius: var(--radius) !important;
}

.border {
  border-color: var(--border) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.card {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow) !important;
}

.border.rounded-3 {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.border.rounded-3:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow) !important;
}

.navbar-ignited {
  background: var(--nav-bg) !important;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.navbar-ignited .nav-link {
  color: var(--nav-link) !important;
  font-weight: 500;
  transition: opacity 150ms ease, transform 150ms ease;
}

.navbar-ignited .nav-link:hover {
  color: var(--nav-link-hover) !important;
  transform: translateY(-1px);
}

.navbar-ignited .navbar-brand {
  font-weight: 800;
  letter-spacing: 0.2px;
}

.navbar-ignited .navbar-brand span {
  color: #000 !important;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
}

.navbar-ignited .navbar-toggler {
  border-color: rgba(15, 23, 42, 0.20) !important;
}

html[data-theme="dark"] .navbar-ignited .navbar-toggler {
  border-color: rgba(226, 232, 240, 0.25) !important;
}

html[data-theme="dark"] .navbar-ignited .navbar-toggler-icon {
  filter: invert(1);
  opacity: 0.9;
}

.btn {
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.1px;
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-image: var(--grad-primary) !important;
  border: none !important;
  box-shadow: 0 10px 24px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.32);
}

.btn-outline-primary {
  border: 1px solid rgba(79, 70, 229, 0.35) !important;
  color: var(--text) !important;
  background: rgba(255, 255, 255, 0.35);
}

html[data-theme="dark"] .btn-outline-primary {
  background: rgba(255, 255, 255, 0.06);
}

.btn-outline-primary:hover {
  background-image: var(--grad-soft) !important;
  border-color: rgba(79, 70, 229, 0.55) !important;
}

.btn-theme-toggle {
  width: 38px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--border);
}

html[data-theme="dark"] .btn-theme-toggle {
  background: rgba(255, 255, 255, 0.08);
}

.badge {
  border-radius: 999px;
}

footer.footer-ignited {
  background: var(--surface) !important;
  border-top: 1px solid var(--border) !important;
  backdrop-filter: blur(10px);
}

iframe,
video,
img {
  border-radius: var(--radius);
}

iframe {
  border: 1px solid var(--border);
}