/* ============================================================
   GLOBAL.CSS — Reset, Base Styles & Utility Classes
   College Admission Consultant Website
   ============================================================ */

/* ── Google Fonts Import ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--clr-text-primary);
  background-color: var(--clr-dark-950);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
  border: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--leading-tight);
  color: var(--clr-text-primary);
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide {
  max-width: var(--container-wide);
}

/* ── Section Spacing ── */
.section {
  padding-block: var(--section-padding-y);
}

.section--sm {
  padding-block: var(--space-12);
}

/* ── Typography Utilities ── */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f97316 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background var(--transition-fast);
}

.btn:hover::before {
  background: rgba(255, 255, 255, 0.08);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: var(--glow-primary);
}

.btn--primary:hover {
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.6);
  transform: translateY(-2px);
}

.btn--accent {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--glow-accent);
}

.btn--accent:hover {
  box-shadow: 0 0 40px rgba(249, 115, 22, 0.6);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-text-primary);
  border: var(--border-light);
}

.btn--ghost:hover {
  border-color: rgba(99, 102, 241, 0.6);
  color: var(--clr-primary-300);
  background: rgba(99, 102, 241, 0.08);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
}

/* ── Card Base ── */
.card {
  background: var(--gradient-card);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--glow-primary);
  transform: translateY(-4px);
}

/* ── Glass Card ── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge--primary {
  background: rgba(99, 102, 241, 0.15);
  color: var(--clr-primary-300);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge--accent {
  background: rgba(249, 115, 22, 0.15);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.badge--gold {
  background: rgba(251, 191, 36, 0.15);
  color: var(--clr-gold-400);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

/* ── Section Heading ── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(99, 102, 241, 0.1);
  border: var(--border-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--clr-primary-300);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--clr-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header .section-subtitle {
  margin-inline: auto;
}

/* ── Divider ── */
.divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin: var(--space-4) auto;
}

/* ── Animation Utility Classes ── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
}

/* Stagger delay helpers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--clr-dark-950);
}
::-webkit-scrollbar-thumb {
  background: var(--clr-primary-700);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--clr-primary-500);
}

/* ── Selection ── */
::selection {
  background: rgba(99, 102, 241, 0.35);
  color: var(--clr-text-primary);
}

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--clr-primary-500);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Noise Overlay (subtle texture) ── */
.noise-overlay {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: var(--z-toast);
  opacity: 0.4;
}

/* ── Glow Orbs ── */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.orb--primary {
  background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
}

.orb--accent {
  background: radial-gradient(circle, rgba(249, 115, 22, 0.3) 0%, transparent 70%);
}

.orb--violet {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.35) 0%, transparent 70%);
}

/* ── Responsive Grid Helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .container { padding-inline: var(--space-4); }
  :root { --section-padding-y: var(--space-16); }
}

/* ── Flex Helpers ── */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ── Text Helpers ── */
.text-center { text-align: center; }
.text-muted { color: var(--clr-text-secondary); }
.font-bold { font-weight: var(--font-bold); }