/* ===== IMPORTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #111827;
  --color-bg-card: rgba(17, 24, 39, 0.8);
  --color-bg-glass: rgba(255, 255, 255, 0.03);
  --color-gold: #d4a853;
  --color-gold-light: #f0d48a;
  --color-gold-dark: #b8912e;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-accent-teal: #2dd4bf;
  --color-accent-purple: #a78bfa;
  --color-accent-rose: #f472b6;
  --color-accent-orange: #fb923c;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-gold: rgba(212, 168, 83, 0.3);
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-gold: 0 4px 20px rgba(212, 168, 83, 0.15);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol { list-style: none; }

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

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--color-gold);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ===== ANIMATED BG PARTICLES ===== */
.particles-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particles-bg .particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: float-particle 8s infinite;
}

@keyframes float-particle {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
}

.navbar-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-bg-primary);
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-gold);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px !important;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark)) !important;
  color: var(--color-bg-primary) !important;
  border-radius: var(--radius-sm);
  font-weight: 600 !important;
  transition: all var(--transition-normal) !important;
  box-shadow: var(--shadow-gold);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 168, 83, 0.3);
}

.nav-cta::after {
  display: none !important;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(10, 14, 26, 0.95) 0%,
    rgba(10, 14, 26, 0.7) 50%,
    rgba(10, 14, 26, 0.9) 100%
  );
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  animation: glow-pulse 6s ease-in-out infinite alternate;
}

.hero-glow-1 {
  top: -200px;
  right: -100px;
  background: var(--color-gold);
}

.hero-glow-2 {
  bottom: -200px;
  left: -100px;
  background: var(--color-accent-teal);
}

@keyframes glow-pulse {
  0% { opacity: 0.1; transform: scale(1); }
  100% { opacity: 0.2; transform: scale(1.1); }
}

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

.hero-content {
  max-width: 700px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border-gold);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-gold);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 560px;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(212, 168, 83, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-3px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* ===== COURSE CARDS ===== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 50px;
}

.course-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  position: relative;
}

.course-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(212, 168, 83, 0.08);
}

.course-card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.course-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.course-card:hover .course-card-img img {
  transform: scale(1.08);
}

.course-card-img .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(10, 14, 26, 0.75);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border-gold);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-gold);
}

.course-card-body {
  padding: 24px;
}

.course-card-body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.course-card:hover .course-card-body h3 {
  color: var(--color-gold);
}

.course-card-body p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course-card-footer .learn-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gold);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast);
}

.course-card:hover .course-card-footer .learn-more {
  gap: 12px;
}

/* ===== STATS BAR ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 60px;
}

.stat-item {
  background: var(--color-bg-secondary);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition-normal);
}

.stat-item:hover {
  background: rgba(212, 168, 83, 0.05);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-gold);
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ===== ABOUT / TRAINER SECTION ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 50px;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 450px;
  box-shadow: var(--shadow-lg);
}

.about-image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-border-gold);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-text h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin-bottom: 20px;
  color: var(--color-text-primary);
}

.about-text p {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-features {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.about-feature .icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.about-feature .text strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.about-feature .text span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ===== COURSE DETAIL PAGE ===== */
.course-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 100px;
}

.course-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.course-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.course-hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(10, 14, 26, 0.8) 0%,
    rgba(10, 14, 26, 0.95) 100%
  );
}

.course-hero .container {
  position: relative;
  z-index: 1;
}

.course-hero-content {
  max-width: 700px;
}

.course-hero-content .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.course-hero-content .breadcrumb a {
  color: var(--color-gold);
}

.course-hero-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.course-hero-content .hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 30px;
}

/* ===== CURRICULUM SECTION ===== */
.curriculum-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.curriculum-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.curriculum-item:hover {
  border-color: var(--color-border-gold);
}

.curriculum-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.curriculum-header:hover {
  background: rgba(212, 168, 83, 0.03);
}

.curriculum-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-bg-primary);
}

.curriculum-title {
  flex: 1;
  font-weight: 600;
  font-size: 1rem;
}

.curriculum-toggle {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-normal);
}

.curriculum-item.open .curriculum-toggle {
  transform: rotate(180deg);
}

.curriculum-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

.curriculum-item.open .curriculum-body {
  max-height: 500px;
}

.curriculum-body-inner {
  padding: 0 24px 20px 76px;
}

.curriculum-body-inner ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.curriculum-body-inner li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.6;
}

.curriculum-body-inner li::before {
  content: '✦';
  color: var(--color-gold);
  flex-shrink: 0;
  font-size: 0.7rem;
  margin-top: 4px;
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-normal);
  position: relative;
}

.testimonial-card:hover {
  border-color: var(--color-border-gold);
  transform: translateY(-4px);
}

.testimonial-card .quote-icon {
  font-size: 2rem;
  color: var(--color-gold);
  opacity: 0.3;
  margin-bottom: 12px;
}

.testimonial-card .quote-text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

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

.testimonial-card .author-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-accent-teal));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-bg-primary);
}

.testimonial-card .author-info strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-card .author-info span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.faq-item:hover,
.faq-item.open {
  border-color: var(--color-border-gold);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-gold);
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--color-gold);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 50px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all var(--transition-normal);
}

.contact-info-card:hover {
  border-color: var(--color-border-gold);
  transform: translateX(8px);
}

.contact-info-card .icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.contact-info-card .info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-card .info p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-form h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-group select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2394a3b8' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.footer-social a:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg-primary);
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-text-primary);
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 6px 0;
  transition: all var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-gold);
  padding-left: 8px;
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== CTA SECTION ===== */
.cta-section {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.cta-inner {
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.1), rgba(45, 212, 191, 0.05));
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-xl);
  padding: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.05) 0%, transparent 70%);
  animation: rotate-cta 15s linear infinite;
}

@keyframes rotate-cta {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}

.cta-inner p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-inner .btn {
  position: relative;
}

/* ===== PACKAGES ===== */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 50px;
}

.package-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
  position: relative;
}

.package-card.featured {
  border-color: var(--color-gold);
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.05), var(--color-bg-card));
}

.package-card.featured::before {
  content: 'PHỔ BIẾN';
  position: absolute;
  top: -1px;
  right: 24px;
  padding: 4px 16px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  color: var(--color-bg-primary);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.package-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-gold);
}

.package-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.package-features {
  margin-bottom: 28px;
}

.package-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.package-features li:last-child {
  border-bottom: none;
}

.package-features li::before {
  content: '✓';
  color: var(--color-gold);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-image {
    order: -1;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-secondary);
    flex-direction: column;
    padding: 80px 30px 30px;
    gap: 8px;
    transition: right var(--transition-normal);
    border-left: 1px solid var(--color-border);
    z-index: 999;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 0;
    font-size: 1rem;
  }

  .mobile-menu-btn {
    display: flex;
    z-index: 1001;
  }

  .mobile-menu-btn.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-btn.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

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

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

  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .cta-inner {
    padding: 40px 24px;
  }

  .packages-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== COURSE DETAIL - SKILLS GRID ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.skill-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all var(--transition-normal);
}

.skill-item:hover {
  border-color: var(--color-border-gold);
  transform: translateY(-3px);
}

.skill-item .skill-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(212, 168, 83, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.skill-item .skill-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ===== ROADMAP / TIMELINE ===== */
.timeline {
  position: relative;
  margin-top: 50px;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold), var(--color-accent-teal));
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
  padding-left: 30px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--color-gold);
  border-radius: 50%;
  border: 3px solid var(--color-bg-primary);
}

.timeline-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 6px;
}

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

/* ===== PAGE HEADER FOR CONTACT ===== */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* Mobile overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 998;
}

.mobile-overlay.open {
  display: block;
}

/* Trainer section specific */
.trainer-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.trainer-highlight {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all var(--transition-normal);
}

.trainer-highlight:hover {
  border-color: var(--color-border-gold);
}

.trainer-highlight .number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold);
  display: block;
}

.trainer-highlight .label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ===== SECTION IMAGE BANNER ===== */
.section-image-banner {
  position: relative;
  width: 100%;
  height: 350px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: 40px 0;
}

.section-image-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.section-image-banner:hover img {
  transform: scale(1.05);
}

.section-image-banner .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(to top, rgba(10,14,26,0.9) 0%, transparent 100%);
}

.section-image-banner .overlay h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.section-image-banner .overlay p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===== IMAGE GALLERY GRID ===== */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.image-gallery .gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 240px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.image-gallery .gallery-item:hover {
  border-color: var(--color-border-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.image-gallery .gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.image-gallery .gallery-item:hover img {
  transform: scale(1.08);
}

.image-gallery .gallery-item .caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 16px;
  background: linear-gradient(to top, rgba(10,14,26,0.85) 0%, transparent 100%);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.image-gallery .gallery-item .caption strong {
  display: block;
  color: var(--color-gold);
  font-size: 0.9rem;
  margin-bottom: 2px;
}

/* ===== IMAGE + TEXT SPLIT ===== */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-top: 50px;
}

.split-section.reverse {
  direction: rtl;
}

.split-section.reverse > * {
  direction: ltr;
}

.split-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-smooth);
}

.split-image:hover img {
  transform: scale(1.04);
}

.split-content h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

.split-content p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

.split-content ul {
  margin-top: 12px;
}

.split-content li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.split-content li::before {
  content: '✦';
  color: var(--color-gold);
  flex-shrink: 0;
  font-size: 0.7rem;
  margin-top: 4px;
}

/* ===== PROMO BANNER ===== */
.promo-banner {
  background: linear-gradient(135deg, rgba(212,168,83,0.12), rgba(45,212,191,0.06));
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
}

.promo-banner .promo-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.promo-banner .promo-content h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.promo-banner .promo-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.promo-banner .promo-content ul {
  margin-top: 10px;
}

.promo-banner .promo-content li {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding: 3px 0;
}

.promo-banner .promo-content li::before {
  content: '🎁 ';
}

/* ===== DROPDOWN NAV ===== */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown > a::after {
  display: none !important;
}

.nav-dropdown .dropdown-arrow {
  font-size: 0.6rem;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 240px;
  background: rgba(17, 24, 39, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  margin-top: 12px;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  margin-top: 8px;
}

.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.nav-dropdown-menu a:hover {
  background: rgba(212, 168, 83, 0.08);
  color: var(--color-gold);
}

.nav-dropdown-menu a .menu-icon {
  font-size: 1rem;
  width: 24px;
  text-align: center;
}

/* ===== ALUMNI GRID ===== */
.alumni-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.alumni-card {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all var(--transition-normal);
}

.alumni-card:hover {
  border-color: var(--color-border-gold);
  transform: translateY(-3px);
}

.alumni-card .alumni-avatar {
  width: 50px;
  height: 50px;
  margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--color-gold), var(--color-accent-teal));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-bg-primary);
}

.alumni-card .alumni-name {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.alumni-card .alumni-role {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .image-gallery {
    grid-template-columns: 1fr;
  }
  .split-section {
    grid-template-columns: 1fr;
  }
  .split-section.reverse {
    direction: ltr;
  }
  .promo-banner {
    flex-direction: column;
    text-align: center;
  }
  .nav-dropdown-menu {
    position: static;
    transform: none;
    background: transparent;
    border: none;
    padding: 0 0 0 16px;
    opacity: 1;
    visibility: visible;
    margin-top: 0;
    box-shadow: none;
    backdrop-filter: none;
  }
  .section-image-banner {
    height: 220px;
  }
  .alumni-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== ACTIVITIES MASONRY GALLERY ===== */
.activities-gallery {
  columns: 4;
  column-gap: 16px;
  margin-top: 40px;
}

.activities-gallery .activity-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.activities-gallery .activity-item:hover {
  border-color: var(--color-border-gold);
  transform: scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(212, 168, 83, 0.1);
  z-index: 2;
}

.activities-gallery .activity-item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-smooth);
}

.activities-gallery .activity-item:hover img {
  transform: scale(1.06);
}

.activities-gallery .activity-item .activity-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,14,26,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.activities-gallery .activity-item:hover .activity-overlay {
  opacity: 1;
}

.activities-gallery .activity-item .activity-overlay span {
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10,14,26,0.95);
  backdrop-filter: blur(20px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
  cursor: pointer;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: var(--color-gold);
  color: var(--color-bg-primary);
  border-color: var(--color-gold);
}

@media (max-width: 1024px) {
  .activities-gallery {
    columns: 3;
  }
}

@media (max-width: 768px) {
  .activities-gallery {
    columns: 2;
    column-gap: 10px;
  }
  .activities-gallery .activity-item {
    margin-bottom: 10px;
  }
}

@media (max-width: 480px) {
  .activities-gallery {
    columns: 1;
  }
}