/* ==========================================================================
   Curious Works — Global Stylesheet
   Design system: dark navy + cerulean glow, glassmorphism accents.
   ========================================================================== */

:root {
  /* Color palette */
  --bg: #070b14;
  --bg-elevated: #0c1220;
  --bg-elevated-2: #101828;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --accent: #3aa8ff;
  --accent-2: #64d2ff;
  --accent-deep: #1c6fd4;
  --accent-glow: rgba(58, 168, 255, 0.35);
  --accent-glow-soft: rgba(58, 168, 255, 0.16);

  --text: #eef3fb;
  --text-dim: #a9b4c9;
  --text-faint: #6b7891;

  --success: #48d597;
  --danger: #ff6b6b;

  /* Typography */
  --font-heading: 'Sora', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Layout */
  --container-w: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-glow: 0 0 0 1px var(--border), 0 20px 60px -20px rgba(0, 0, 0, 0.7);
  --transition: 220ms cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * , *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; color: var(--text-dim); }

ul { padding: 0; margin: 0; list-style: none; }

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ---------- Background texture ---------- */
body {
  background-image:
    radial-gradient(ellipse 900px 600px at 12% -10%, rgba(58, 168, 255, 0.14), transparent 60%),
    radial-gradient(ellipse 800px 500px at 100% 10%, rgba(100, 210, 255, 0.08), transparent 55%),
    linear-gradient(180deg, #060a12 0%, #070b14 40%, #060910 100%);
  background-attachment: fixed;
}

/* ---------- Layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-tight { padding: 64px 0; }

.section-header {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--accent-2);
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin-bottom: 14px;
}

.section-header p {
  font-size: 1.05rem;
}

.text-center { text-align: center; }

.grid {
  display: grid;
  gap: 28px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-2), var(--accent-deep));
  color: #041022;
  box-shadow: 0 8px 24px -8px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.35);
}

.btn-primary:hover {
  box-shadow: 0 12px 32px -8px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--surface-strong);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  padding: 10px 4px;
}
.btn-ghost:hover { color: var(--accent-2); }

.btn-block { width: 100%; }

.btn-sm { padding: 9px 18px; font-size: 0.85rem; }

/* ---------- Navbar ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container-w);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}

.brand-mark { height: 34px; width: auto; }
.brand-wordmark { height: 20px; width: auto; }

.site-footer .brand-mark { height: 30px; }
.site-footer .brand-wordmark { height: 18px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a:not(.btn) {
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:not(.btn):hover { color: var(--text); background: var(--surface); }
.nav-links a.active:not(.btn) { color: var(--accent-2); background: var(--accent-glow-soft); }

.nav-cta { display: flex; align-items: center; gap: 10px; margin-left: 8px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
  transition: transform var(--transition), opacity var(--transition);
}

.site-header.menu-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(8, 12, 22, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px 24px;
    gap: 4px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--transition), opacity var(--transition);
  }

  .site-header.menu-open .nav-links {
    max-height: 640px;
    opacity: 1;
  }

  .nav-links a:not(.btn) { padding: 12px 10px; }
  .nav-cta { flex-direction: column; align-items: stretch; margin-left: 0; margin-top: 8px; }
  .nav-cta .btn { width: 100%; }
}

/* ---------- Site-wide fixed background ----------
   Stays pinned to the viewport across every page, so only content scrolls —
   the glow/particles never move or get clipped by section boundaries. */
.site-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: float 22s ease-in-out infinite;
}

.orb-1 { width: 460px; height: 460px; background: radial-gradient(circle, var(--accent) 0%, transparent 70%); top: -10%; left: -8%; animation-delay: 0s; }
.orb-2 { width: 380px; height: 380px; background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%); top: 5%; right: -8%; animation-delay: -7s; }
.orb-3 { width: 340px; height: 340px; background: radial-gradient(circle, var(--accent-deep) 0%, transparent 70%); bottom: -12%; left: 30%; animation-delay: -14s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.06); }
  66% { transform: translate(-20px, 20px) scale(0.96); }
}

#particle-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.5;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 130px 0 110px;
}

.hero-inner { text-align: center; max-width: 780px; margin: 0 auto; }

.hero-logo { height: 72px; width: auto; margin: 0 auto 28px; }

.hero-tagline {
  font-family: var(--font-heading);
  color: var(--accent-2);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 4.2rem);
  background: linear-gradient(135deg, #ffffff 20%, var(--accent-2) 75%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 22px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Glass card ---------- */
.card {
  background: linear-gradient(160deg, var(--surface), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 24px 50px -24px rgba(0,0,0,0.6), 0 0 0 1px var(--border);
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow-soft);
  color: var(--accent-2);
  margin-bottom: 18px;
  font-size: 1.3rem;
}

.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { margin-bottom: 0; font-size: 0.95rem; }

/* ---------- Scroll reveal ----------
   Base = fade + rise. Direction modifiers layer on top for variety
   (from-left, from-right, from-top, fade-only, pop). Stagger utility
   below adds a per-row cascade to grid children automatically. */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal.in-view { opacity: 1; transform: none; }

.reveal.from-left { transform: translateX(-56px); }
.reveal.from-left.in-view { transform: none; }

.reveal.from-right { transform: translateX(56px); }
.reveal.from-right.in-view { transform: none; }

.reveal.from-top { transform: translateY(-32px); }
.reveal.from-top.in-view { transform: none; }

.reveal.fade-only { transform: none; }

.reveal.pop { transform: scale(0.94); }
.reveal.pop.in-view { transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.from-left, .reveal.from-right, .reveal.from-top, .reveal.pop { transform: none; }
}

/* Per-row cascade for grids of revealed items — purely CSS, works whether
   the cards are static markup or injected by JS. */
.grid-2 > .reveal:nth-child(2n+1) { transition-delay: 0ms; }
.grid-2 > .reveal:nth-child(2n)   { transition-delay: 110ms; }

.grid-3 > .reveal:nth-child(3n+1) { transition-delay: 0ms; }
.grid-3 > .reveal:nth-child(3n+2) { transition-delay: 100ms; }
.grid-3 > .reveal:nth-child(3n)   { transition-delay: 200ms; }

.grid-4 > .reveal:nth-child(4n+1) { transition-delay: 0ms; }
.grid-4 > .reveal:nth-child(4n+2) { transition-delay: 90ms; }
.grid-4 > .reveal:nth-child(4n+3) { transition-delay: 180ms; }
.grid-4 > .reveal:nth-child(4n)   { transition-delay: 270ms; }

/* ---------- Course cards ---------- */
.course-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, var(--surface), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
}

.course-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 30px 60px -28px var(--accent-glow), 0 0 0 1px var(--border);
}

.course-banner {
  height: 108px;
  background: linear-gradient(135deg, rgba(58,168,255,0.22), rgba(100,210,255,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  color: var(--accent-2);
}

.course-banner svg {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.course-body { padding: 26px 26px 24px; flex: 1; display: flex; flex-direction: column; }

.course-field { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent-2); font-weight: 600; margin-bottom: 8px; }

.course-body h3 { font-size: 1.25rem; margin-bottom: 8px; }
.course-desc { font-size: 0.92rem; flex: 1; }

.course-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  margin: 18px 0 22px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.meta-item { font-size: 0.82rem; }
.meta-label { color: var(--text-faint); display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px; }
.meta-value { color: var(--text); font-weight: 500; }

.term-availability { margin-bottom: 16px; }
.term-pill-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.term-pill {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent-2);
  background: var(--accent-glow-soft);
  border: 1px solid rgba(58, 168, 255, 0.25);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  white-space: nowrap;
}

.spots-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--success);
  font-weight: 600;
  margin-bottom: 16px;
}
.spots-badge.low { color: #ffb454; }
.spots-badge::before {
  content: '';
  width: 7px; height: 7px; border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

/* ---------- Stats ---------- */
.stat-card {
  text-align: center;
  padding: 36px 20px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label { font-size: 0.9rem; color: var(--text-dim); margin-top: 6px; }

/* ---------- Testimonials ---------- */
.testimonial-card {
  padding: 30px;
}

.testimonial-quote {
  font-size: 1.02rem;
  color: var(--text);
  margin-bottom: 20px;
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-family: var(--font-heading);
  color: #041022;
  flex-shrink: 0;
}

.author-name { font-weight: 600; font-size: 0.92rem; }
.author-role { font-size: 0.8rem; color: var(--text-faint); }

/* ---------- Photo placeholder ---------- */
.photo-placeholder {
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-strong);
  background: linear-gradient(160deg, rgba(58,168,255,0.06), rgba(255,255,255,0.02));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-faint);
  font-size: 0.85rem;
  text-align: center;
  padding: 16px;
}

/* ---------- Forms ---------- */
.form-card {
  background: linear-gradient(160deg, var(--surface), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
}

@media (max-width: 640px) {
  .form-card { padding: 26px; }
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

.field { margin-bottom: 20px; }
.field:last-child { margin-bottom: 0; }
.form-row .field { margin-bottom: 0; }

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.field .hint { font-size: 0.78rem; color: var(--text-faint); margin-top: 6px; }

.field input,
.field select,
.field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow-soft);
  background: rgba(255, 255, 255, 0.05);
}

.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown) {
  border-color: rgba(255, 107, 107, 0.5);
}

.field textarea { resize: vertical; min-height: 120px; }

.field-error {
  display: none;
  color: var(--danger);
  font-size: 0.78rem;
  margin-top: 6px;
}

.form-submit-error {
  color: #ffb4b4;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.35);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.85rem;
  margin-bottom: 18px;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--danger); }
.field.has-error .field-error { display: block; }

.checkbox-field { display: flex; align-items: flex-start; gap: 10px; }
.checkbox-field input { width: auto; margin-top: 4px; }
.checkbox-field label { margin-bottom: 0; font-weight: 500; font-size: 0.85rem; color: var(--text-dim); }

fieldset { border: none; padding: 0; margin: 0 0 20px; }
legend { font-size: 0.85rem; font-weight: 600; margin-bottom: 10px; padding: 0; }

.radio-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.radio-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 0.88rem;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.radio-pill input { width: auto; margin: 0; accent-color: var(--accent); }
.radio-pill:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-glow-soft);
  color: var(--accent-2);
}

.checkbox-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 640px) { .checkbox-grid { grid-template-columns: 1fr; } }

/* ---------- Confirmation state ---------- */
.confirm-panel {
  text-align: center;
  padding: 20px 10px 10px;
}

.confirm-icon {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: rgba(72, 213, 151, 0.12);
  border: 1px solid rgba(72, 213, 151, 0.4);
  color: var(--success);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 22px;
  font-size: 1.8rem;
}

.confirm-panel h3 { font-size: 1.4rem; margin-bottom: 10px; }
.confirm-panel p { max-width: 420px; margin: 0 auto 26px; }

.hidden { display: none !important; }

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  background: linear-gradient(135deg, rgba(58,168,255,0.14), rgba(28,111,212,0.06));
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 280px; height: 280px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  top: -100px; right: -60px;
  border-radius: 50%;
}

.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.cta-banner p { max-width: 520px; margin: 0 auto 28px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
  background: var(--bg-elevated);
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand p { font-size: 0.9rem; max-width: 280px; }
.footer-tagline { color: var(--accent-2); font-weight: 600; font-size: 0.88rem; margin: 10px 0 16px; font-family: var(--font-heading); }

.footer-col h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 0.92rem; color: var(--text-dim); transition: color var(--transition); }
.footer-col a:hover { color: var(--accent-2); }

.social-row { display: flex; gap: 10px; margin-top: 16px; }
.social-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
  transition: all var(--transition);
  font-size: 0.85rem;
}
.social-icon:hover { border-color: var(--accent); color: var(--accent-2); background: var(--accent-glow-soft); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.page-hero .eyebrow { justify-content: center; display: flex; }
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); margin-bottom: 16px; }
.page-hero p { max-width: 620px; margin: 0 auto; font-size: 1.05rem; }

/* ---------- Misc components ---------- */
.divider { height: 1px; background: var(--border); margin: 0; }

.badge-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 20px; }
.badge-pill {
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; gap: 32px; }
}

.list-check li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.98rem;
  color: var(--text-dim);
}
.list-check li::before {
  content: '✓';
  color: var(--accent-2);
  font-weight: 700;
  flex-shrink: 0;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-chip {
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition);
  background: transparent;
}
.filter-chip:hover { border-color: var(--accent); color: var(--text); }
.filter-chip.active { background: var(--accent-glow-soft); border-color: var(--accent); color: var(--accent-2); }

.involve-card { display: flex; flex-direction: column; height: 100%; }
.involve-card ul { margin: 14px 0 0; }
.involve-card li { font-size: 0.88rem; color: var(--text-faint); margin-bottom: 6px; padding-left: 14px; position: relative; }
.involve-card li::before { content: '—'; position: absolute; left: 0; color: var(--text-faint); }

.summary-box {
  background: var(--accent-glow-soft);
  border: 1px solid rgba(58,168,255,0.3);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: space-between;
}

.summary-box .course-title { font-family: var(--font-heading); font-weight: 600; font-size: 1.05rem; }
.summary-box .course-sub { font-size: 0.85rem; color: var(--text-dim); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-deep); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Newsletter popup ---------- */
.newsletter-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(4, 7, 14, 0.72);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: newsletterFadeIn 320ms ease;
}

@keyframes newsletterFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.newsletter-modal {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: linear-gradient(160deg, var(--bg-elevated-2), var(--bg-elevated));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 40px 32px 32px;
  text-align: center;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--border);
  animation: newsletterPopIn 380ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes newsletterPopIn {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to { opacity: 1; transform: none; }
}

.newsletter-modal .card-icon {
  margin: 0 auto 18px;
}

.newsletter-modal h3 { font-size: 1.3rem; margin-bottom: 10px; }
.newsletter-modal p { font-size: 0.92rem; margin-bottom: 22px; }
.newsletter-modal .field { margin-bottom: 14px; }

.newsletter-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-dim);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.newsletter-close:hover { color: var(--text); border-color: var(--accent); background: var(--accent-glow-soft); }

.newsletter-dismiss { margin-top: 14px; }

@media (max-width: 480px) {
  .newsletter-modal { padding: 36px 22px 26px; }
}