/* ============================================================
   CAREER EDGE IT INSTITUTE — style.css
   Dark Cyber / Tech Aesthetic
   ============================================================ */

/* ─── CSS Custom Properties ──────────────────────────────── */
:root {
  --bg-primary: #060b14;
  --bg-secondary: #0a1224;
  --bg-card: #0d1930;
  --bg-card-hover: #0f1f3a;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.12);
  --accent-glow: 0 0 20px rgba(0, 212, 255, 0.4);
  --accent2: #ff6b35;
  --accent2-dim: rgba(255, 107, 53, 0.1);
  --text-primary: #e8f4f8;
  --text-secondary: #7a9ab0;
  --text-muted: #4a6070;
  --border: rgba(0, 212, 255, 0.15);
  --border-hover: rgba(0, 212, 255, 0.5);
  --nav-height: 72px;
  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Exo 2', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
address { font-style: normal; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }

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

/* ─── Selection ─────────────────────────────────────────── */
::selection { background: rgba(0, 212, 255, 0.3); color: #fff; }

/* ─── Container ─────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Section Base ──────────────────────────────────────── */
.section { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
  background: var(--accent-dim);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.accent-text {
  color: var(--accent);
  text-shadow: var(--accent-glow);
}

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #00c4ef, #0080c0);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 196, 239, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 196, 239, 0.55);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent-dim);
  box-shadow: var(--accent-glow);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(6, 11, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.navbar.scrolled {
  background: rgba(6, 11, 20, 0.97);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, #00d4ff, #0070b0);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}
.logo-text .accent { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition);
  letter-spacing: 0.3px;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.nav-cta {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  padding: 10px 22px;
  background: linear-gradient(135deg, #00c4ef, #0080c0);
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(0, 196, 239, 0.3);
  margin-left: 8px;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 196, 239, 0.5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}
.nav-toggle.active .toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active .toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.active .toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ═══════════════════════════════════════════════════════════
   HERO SECTION
═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-height) + 60px) 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

#matrixCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.12;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

/* Radial glow behind hero text */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(0, 120, 200, 0.18) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  animation: heroFadeIn 1s ease-out;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.5; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px 16px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 40px;
  gap: 0;
  backdrop-filter: blur(10px);
}

.stat {
  text-align: center;
  padding: 0 36px;
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
}
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
  flex-shrink: 0;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--accent);
  font-size: 0.85rem;
  animation: scrollBounce 2s infinite;
  transition: background var(--transition);
}
.hero-scroll a:hover { background: var(--accent-dim); }
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ═══════════════════════════════════════════════════════════
   MARQUEE STRIP
═══════════════════════════════════════════════════════════ */
.marquee-strip {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 14px 0;
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 20px;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  width: max-content;
}
.marquee-strip:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.marquee-track .dot {
  color: var(--accent);
  font-size: 0.65rem;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════════════════
   COURSES SECTION
═══════════════════════════════════════════════════════════ */
.courses-section { background: var(--bg-primary); }

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}
.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transition: transform 0.5s ease;
}
.course-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}
.course-card:hover::before { transform: scaleX(1); }

.course-card.featured {
  border-color: rgba(0, 212, 255, 0.4);
  background: linear-gradient(160deg, #0d1930, #091828);
}

.card-badge {
  position: absolute;
  top: 18px; right: 18px;
  background: linear-gradient(135deg, var(--accent2), #e85500);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.card-icon {
  width: 56px; height: 56px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 12px;
  transition: var(--transition);
}
.course-card:hover .card-icon {
  background: rgba(0, 212, 255, 0.2);
  box-shadow: var(--accent-glow);
}

.card-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.course-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.course-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.module-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.module-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.module-list li i {
  color: var(--accent);
  font-size: 0.6rem;
  flex-shrink: 0;
}

.card-footer {
  display: flex;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.card-footer .duration,
.card-footer .level {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.card-footer i { color: var(--accent); }

/* ═══════════════════════════════════════════════════════════
   WHY CHOOSE US SECTION
═══════════════════════════════════════════════════════════ */
.why-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}
.why-section::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.why-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.why-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.why-card:hover::after { transform: scaleX(1); }

.why-icon {
  width: 60px; height: 60px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 20px;
  transition: var(--transition);
}
.why-card:hover .why-icon {
  background: rgba(0, 212, 255, 0.2);
  box-shadow: var(--accent-glow);
  transform: scale(1.1) rotate(-5deg);
}

.why-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.why-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   CERTIFICATION STRIP
═══════════════════════════════════════════════════════════ */
.cert-strip {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.cert-intro {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.cert-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 24px;
  transition: var(--transition);
}
.cert-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--accent-glow);
  transform: translateY(-3px);
}
.cert-item i {
  color: var(--accent);
  font-size: 1.1rem;
}
.cert-item span {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════
   TESTIMONIALS
═══════════════════════════════════════════════════════════ */
.testimonials-section { background: var(--bg-secondary); }

.testimonials-wrapper { max-width: 820px; margin: 0 auto; }

.testimonials-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: none;
  animation: fadeInSlide 0.5s ease;
}
.testimonial-card.active { display: block; }

@keyframes fadeInSlide {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.quote-icon {
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 28px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--accent), #0070b0);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.author-info strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.stars {
  margin-top: 6px;
  color: #f5a623;
  font-size: 0.75rem;
  display: flex;
  gap: 2px;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.slider-btn {
  width: 44px; height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}
.slider-btn:hover {
  background: var(--accent-dim);
  border-color: var(--border-hover);
  box-shadow: var(--accent-glow);
}

.slider-dots {
  display: flex;
  gap: 8px;
}
.dot-indicator {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.dot-indicator.active,
.dot-indicator:hover {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  transform: scale(1.3);
}

/* ═══════════════════════════════════════════════════════════
   CONTACT SECTION
═══════════════════════════════════════════════════════════ */
.contact-section { background: var(--bg-primary); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: var(--transition);
}
.info-card:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}
.info-icon {
  width: 42px; height: 42px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}
.info-card h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.info-card address, .info-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.info-card a {
  color: var(--accent);
  font-size: 0.95rem;
  transition: opacity var(--transition);
}
.info-card a:hover { opacity: 0.8; }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 4px;
}
.map-embed iframe { display: block; filter: invert(0.9) hue-rotate(180deg); }

/* Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-form-wrapper h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: var(--text-primary);
}
.contact-form-wrapper h3::after {
  content: '';
  display: block;
  width: 50px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 8px;
}

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group label span { color: var(--accent2); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 12px 16px;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group select option { background: var(--bg-secondary); }
.form-group textarea { resize: vertical; min-height: 100px; }

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #ff4d6a;
  box-shadow: 0 0 0 3px rgba(255, 77, 106, 0.1);
}

.error-msg {
  font-size: 0.78rem;
  color: #ff4d6a;
  min-height: 14px;
}

.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 8px;
}
.form-note i { color: var(--accent); margin-right: 4px; }

.success-msg {
  background: rgba(0, 212, 100, 0.1);
  border: 1px solid rgba(0, 212, 100, 0.3);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: #00d464;
}
.success-msg i {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 12px;
}
.success-msg strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
.footer { background: var(--bg-primary); border-top: 1px solid var(--border); }

.footer-top { padding: 64px 0 48px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.social-links { display: flex; gap: 10px; flex-wrap: wrap; }
.social-btn {
  width: 38px; height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}
.social-btn:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.footer-nav h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav li a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-nav li a i { color: var(--accent); font-size: 0.65rem; }
.footer-nav li a:hover { color: var(--accent); padding-left: 4px; }

.footer-contact h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.footer-contact address p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}
.footer-contact address p i { color: var(--accent); margin-top: 2px; flex-shrink: 0; }
.footer-contact address a { color: var(--accent); }
.footer-contact address a:hover { opacity: 0.8; }

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-top: 8px;
}
.footer-badge i { color: #f5a623; font-size: 1.4rem; }
.footer-badge span { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.4; }

/* SEO paragraph */
.footer-seo {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  background: rgba(0, 0, 0, 0.2);
}
.footer-seo p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.8;
  text-align: center;
}
.footer-seo strong { color: var(--text-secondary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-bottom a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-bottom a:hover { color: var(--accent); }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px; height: 46px;
  background: linear-gradient(135deg, #00c4ef, #0070b0);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 4px 20px rgba(0, 196, 239, 0.4);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: var(--transition);
  z-index: 999;
  cursor: pointer;
  border: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0, 196, 239, 0.6);
}

/* ─── Utility ────────────────────────────────────────────── */
.hide-sm { display: inline; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Tablet
═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { order: 2; }
  .contact-form-wrapper { order: 1; }
}

@media (max-width: 900px) {
  .courses-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 0; padding: 20px 20px; }
  .stat { padding: 0 20px; }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Mobile
═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .section { padding: 72px 0; }

  /* Navbar Mobile */
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(6, 11, 20, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-link { width: 100%; padding: 12px 16px; border-radius: 8px; }
  .nav-cta { margin: 8px 0 0; width: 100%; text-align: center; display: block; padding: 12px; }
  .nav-toggle { display: flex; }

  .hero-stats {
    gap: 0;
    padding: 20px 16px;
    flex-wrap: wrap;
  }
  .stat { padding: 16px 20px; flex: 1 1 calc(50% - 40px); }
  .stat-divider { display: none; }

  .courses-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .form-row { grid-template-columns: 1fr; }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }

  .hide-sm { display: none; }

  .hero-title { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 300px; justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .hero { padding: calc(var(--nav-height) + 40px) 16px 60px; }
  .hero-stats { flex-direction: column; }
  .stat { padding: 12px 0; width: 100%; }
  .stat-divider { display: block; width: 80px; height: 1px; }
  .testimonial-card { padding: 24px 20px; }
  .contact-form-wrapper { padding: 24px 20px; }
  .cert-logos { gap: 10px; }
  .cert-item { padding: 10px 16px; }
}