/* ─── Motion & visual enhancements ─── */

.hero {
  background: linear-gradient(-45deg, #0f172a, #1e3a5f, #312e81, #0f172a);
  background-size: 400% 400%;
  animation: gradientShift 14s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
}

.hero-grid-pattern {
  animation: gridDrift 20s linear infinite;
}

@keyframes gridDrift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(48px, 48px); }
}

.hero-orb {
  animation: orbPulse 6s ease-in-out infinite;
}
.hero-orb-1 { animation-delay: 0s; }
.hero-orb-2 { animation-delay: 2s; }
.hero-orb-3 {
  width: 220px;
  height: 220px;
  background: #7c3aed;
  top: 40%;
  left: 40%;
  animation-delay: 4s;
}

@keyframes orbPulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.15); opacity: 0.65; }
}

.gradient-text {
  background: linear-gradient(90deg, #fbbf24, #f59e0b, #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: shimmerText 3s linear infinite;
}

@keyframes shimmerText {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-glow-ring {
  position: absolute;
  inset: -20px;
  border-radius: 24px;
  border: 2px solid transparent;
  background: linear-gradient(135deg, rgba(37,99,235,0.5), rgba(245,158,11,0.4)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: ringRotate 8s linear infinite;
  pointer-events: none;
}

@keyframes ringRotate {
  to { transform: rotate(360deg); }
}

.hero-visual {
  position: relative;
  transition: transform 0.2s ease-out;
}

.card-main {
  animation: cardGlow 3s ease-in-out infinite !important;
}

@keyframes cardGlow {
  0%, 100% { box-shadow: 0 24px 60px rgba(0,0,0,0.35), 0 0 0 rgba(37,99,235,0); }
  50% { box-shadow: 0 28px 70px rgba(37,99,235,0.25), 0 0 40px rgba(37,99,235,0.15); }
}

.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--accent);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Hero entrance */
.animate-in {
  opacity: 0;
  transform: translateY(28px);
  animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--delay, 0) * 0.12s + 0.1s);
}

@keyframes heroFadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Buttons */
.btn-shine {
  position: relative;
  overflow: hidden;
}
.btn-shine::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  animation: btnShine 3s ease-in-out infinite;
}
@keyframes btnShine {
  0%, 100% { left: -100%; }
  50% { left: 150%; }
}

.btn-primary:hover,
.btn-accent:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.35);
}

/* Cards */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out, box-shadow 0.3s ease;
}

.why-card {
  position: relative;
  overflow: hidden;
}
.why-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(37,99,235,0.06), transparent);
  transition: left 0.5s ease;
}
.why-card:hover::after { left: 150%; }

.why-icon {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.why-card:hover .why-icon {
  transform: scale(1.2) rotate(-8deg);
}

.course-card {
  position: relative;
  overflow: hidden;
}
.course-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, var(--primary), var(--accent), #7c3aed);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.course-card:hover::before { opacity: 1; }

.course-icon {
  transition: transform 0.4s ease, background 0.3s ease;
}
.course-card:hover .course-icon {
  transform: rotateY(180deg) scale(1.1);
  background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(245,158,11,0.15));
}

.course-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s ease;
}
.course-card:hover .course-link { gap: 10px; }

/* Marquee */
.marquee-wrap {
  background: var(--dark);
  padding: 14px 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-track span {
  color: rgba(255,255,255,0.5);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
}
.marquee-track span::before {
  content: "◆ ";
  color: var(--accent);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* CTA strip */
.cta-strip {
  background: linear-gradient(90deg, #0f172a, #1e3a5f, #0f172a);
  background-size: 200% 100%;
  animation: ctaSlide 8s ease infinite;
}
@keyframes ctaSlide {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.cta-phone, .cta-email {
  display: inline-block;
  transition: transform 0.3s ease;
}
.cta-phone:hover, .cta-email:hover {
  transform: scale(1.05);
}

/* About frame */
.about-frame {
  animation: aboutFloat 5s ease-in-out infinite;
}
@keyframes aboutFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.about-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.2), transparent 50%);
  pointer-events: none;
}

/* FAQ */
.faq-list details {
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.faq-list details[open] {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(37,99,235,0.1);
}
.faq-list summary {
  transition: color 0.2s ease, padding-left 0.3s ease;
}
.faq-list details[open] summary {
  color: var(--primary);
  padding-left: 24px;
}
.faq-list .faq-answer {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.45s ease, opacity 0.35s ease, padding 0.35s ease;
}
.faq-list details[open] .faq-answer {
  max-height: 200px;
  opacity: 1;
}

/* Demo CTA */
.demo-cta {
  position: relative;
  overflow: hidden;
}
.demo-cta::before,
.demo-cta::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  animation: demoOrb 10s ease-in-out infinite;
}
.demo-cta::before { top: -100px; left: -50px; }
.demo-cta::after { bottom: -120px; right: -80px; animation-delay: 5s; }

@keyframes demoOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.1); }
}

.demo-cta .container {
  position: relative;
  z-index: 1;
}

.demo-cta .btn-accent {
  animation: pulseBtn 2.5s ease-in-out infinite;
}

@keyframes pulseBtn {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.5); }
  50% { box-shadow: 0 0 0 14px rgba(245, 158, 11, 0); }
}

/* Header scroll */
.site-header.scrolled {
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
  min-height: 68px;
}
.site-header.scrolled .header-inner {
  min-height: 68px;
}

.logo-mark {
  animation: logoGlow 4s ease-in-out infinite;
}
@keyframes logoGlow {
  0%, 100% { filter: drop-shadow(0 0 0 transparent); }
  50% { filter: drop-shadow(0 0 12px rgba(37, 99, 235, 0.4)); }
}

.main-nav a {
  position: relative;
}
.main-nav > ul > li > a::after,
.main-nav .dropdown-toggle::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 2px;
}
.main-nav a:hover::after,
.main-nav .dropdown-toggle:hover::after {
  transform: scaleX(1);
}

.stat-item strong {
  font-variant-numeric: tabular-nums;
}

.courses-note {
  animation: noteBounce 2s ease-in-out infinite;
}
@keyframes noteBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* Page load */
body.loaded .hero-visual {
  animation: heroVisualIn 1s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}
@keyframes heroVisualIn {
  from { opacity: 0; transform: translateX(40px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1;
    transform: none;
  }
  .animate-in { opacity: 1; transform: none; animation: none; }
}