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

:root {
  --blue: #1A5CFF;
  --blue-light: #4D84FF;
  --blue-soft: #E8EFFE;
  --blue-glow: rgba(26, 92, 255, 0.2);
  --navy: #0B1739;
  --navy-mid: #1C2B4A;
  --sky: #EEF4FF;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-600: #6B7280;
  --gray-800: #1F2937;
  --text: #111827;
  --text-soft: #6B7280;
  --shadow-sm: 0 0.0625rem 0.1875rem rgba(0,0,0,0.06), 0 0.0625rem 0.125rem rgba(0,0,0,0.04);
  --shadow: 0 0.25rem 1rem rgba(0,0,0,0.08);
  --shadow-lg: 0 0.75rem 2.5rem rgba(0,0,0,0.12);
  --shadow-xl: 0 1.5rem 4rem rgba(0,0,0,0.16);
  --radius: 1rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1.5rem;
  --font: 'Orbitron', 'Sora', sans-serif;
  --font-body: 'Exo 2', 'DM Sans', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 4.5rem;
}

html { scroll-behavior: smooth; font-size: 100%; }
body { font-family: var(--font-body); color: var(--text); background: var(--white); overflow-x: hidden; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font); }
h1, h2, h3 { letter-spacing: 0.0625rem; }

/* ===== UTILITY ===== */
.container { max-width: 75rem; margin: 0 auto; padding: 0 1.5rem; }
.center-btn { text-align: center; margin-top: 3rem; }
.section { padding: 6.25rem 0; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(2rem); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@keyframes scrollBounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(0.5rem); } }
@keyframes countUp { from { opacity: 0; } to { opacity: 1; } }

.fade-in-up { opacity: 0; animation: fadeInUp 0.8s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.5s; }
.delay-4 { animation-delay: 0.7s; }

.reveal { opacity: 0; transform: translateY(1.75rem); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(1.25rem);
  -webkit-backdrop-filter: blur(1.25rem);
  border-bottom: 0.0625rem solid rgba(0,0,0,0.06);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: var(--shadow);
}
.nav-container {
  max-width: 77.5rem; margin: 0 auto; padding: 0 1.5rem;
  height: 100%; display: flex; align-items: center; gap: 2rem;
}
.nav-logo { display: flex; align-items: center; gap: 0.625rem; text-decoration: none; }
.logo-mark {
  width: 2.375rem; height: 2.375rem;
  background: var(--blue); color: white;
  border-radius: 0.625rem; display: flex; align-items: center; justify-content: center;
  font-size: 1.0625rem; flex-shrink: 0;
  box-shadow: 0 0.25rem 0.75rem var(--blue-glow);
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-main { font-family: var(--font); font-weight: 700; font-size: 1rem; color: var(--navy); }
.logo-sub { font-size: 0.625rem; color: var(--text-soft); letter-spacing: 0.04em; }
.nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; margin-left: auto; }
.nav-link {
  font-family: var(--font); font-size: 0.875rem; font-weight: 500;
  color: var(--gray-800); text-decoration: none; padding: 0.5em 0.875em;
  border-radius: var(--radius-sm); transition: var(--transition);
  display: flex; align-items: center; gap: 0.375em;
  position: relative;
}
.nav-link:hover { color: var(--blue); background: var(--blue-soft); }
.nav-link.active {
  color: var(--blue);
  box-shadow: 0 0 0 0.125rem var(--blue-glow), 0 0 0.75rem var(--blue-glow);
  background: var(--blue-soft);
}

/* DROPDOWN */
.dropdown-parent { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 0.75rem); left: 50%; transform: translateX(-50%) translateY(-0.5rem);
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-xl); border: 0.0625rem solid var(--gray-200);
  min-width: 17.5rem; opacity: 0; visibility: hidden;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.dropdown-menu::before {
  content: ''; position: absolute; top: -0.375rem; left: 50%; transform: translateX(-50%);
  width: 0.75rem; height: 0.75rem; background: white; border-left: 0.0625rem solid var(--gray-200);
  border-top: 0.0625rem solid var(--gray-200); border-radius: 0.125rem; rotate: 45deg;
}
.dropdown-parent:hover .dropdown-menu,
.dropdown-parent.show .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.dropdown-inner { padding: 0.5rem; }
.dropdown-item {
  display: flex; align-items: center; gap: 0.875rem; padding: 0.75em 0.875em;
  border-radius: 0.625rem; text-decoration: none; color: var(--text);
  transition: var(--transition);
}
.dropdown-item:hover { background: var(--blue-soft); color: var(--blue); }
.dropdown-item i { width: 1.25rem; font-size: 0.9375rem; color: var(--blue); flex-shrink: 0; }
.dropdown-item strong { display: block; font-size: 0.875rem; font-family: var(--font); font-weight: 600; }
.dropdown-item span { font-size: 0.75rem; color: var(--text-soft); }
.dropdown-toggle i { transition: transform 0.25s; }
.dropdown-parent:hover .dropdown-toggle i,
.dropdown-parent.show .dropdown-toggle i { transform: rotate(180deg); }

.btn-book {
  font-family: var(--font); font-size: 0.875rem; font-weight: 600;
  background: var(--blue); color: white; padding: 0.625em 1.375em;
  border-radius: 0.625rem; text-decoration: none;
  transition: var(--transition); white-space: nowrap;
  box-shadow: 0 0.25rem 0.875rem var(--blue-glow);
}
.btn-book:hover { background: var(--blue-light); transform: translateY(-0.0625rem); box-shadow: 0 0.375rem 1.25rem var(--blue-glow); }

.hamburger { display: none; flex-direction: column; gap: 0.3125rem; cursor: pointer; border: none; background: none; padding: 0.25rem; }
.hamburger span { display: block; width: 1.5rem; height: 0.125rem; background: var(--navy); border-radius: 0.125rem; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(0.4375rem) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-0.4375rem) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative; height: 100vh; min-height: 42.5rem;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-video-wrap { position: absolute; inset: 0; }
.hero-video { width: 100%; height: 100%; object-fit: cover; animation: none; position: relative; z-index: 1; }
.hero-fallback {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(135deg, #0B1739 0%, #1A5CFF 50%, #0B2A6B 100%);
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(to bottom, rgba(11,23,57,0.7) 0%, rgba(11,23,57,0.55) 50%, rgba(11,23,57,0.8) 100%);
}
.hero-content {
  position: relative; z-index: 2; text-align: center;
  padding: 0 1.5rem; max-width: 50rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5em;
  background: rgba(255,255,255,0.12); border: 0.0625rem solid rgba(255,255,255,0.2);
  color: #A8C4FF; font-size: 0.8125rem; font-family: var(--font); font-weight: 500;
  padding: 0.615em 1.385em; border-radius: 6.25rem; backdrop-filter: blur(0.75rem);
  margin-bottom: 1.75rem;
}
.hero-badge i { color: #FFD700; font-size: 0.6875rem; }
.hero-title {
  font-family: var(--font); font-weight: 800; font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: white; line-height: 1.1; margin-bottom: 1.5rem; letter-spacing: -0.02em;
}
.hero-accent {
  background: linear-gradient(90deg, #4D84FF, #A8C4FF);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem; color: rgba(255,255,255,0.78); max-width: 35rem;
  margin: 0 auto 2.5rem; line-height: 1.7;
}
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.5); font-size: 0.875rem; z-index: 2;
  animation: scrollBounce 2s ease-in-out infinite;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.625rem;
  background: var(--blue); color: white; padding: 0.875em 1.75em;
  border-radius: 0.75rem; font-family: var(--font); font-weight: 600; font-size: 0.9375rem;
  text-decoration: none; transition: var(--transition);
  box-shadow: 0 0.375rem 1.5rem var(--blue-glow);
}
.btn-primary:hover { background: var(--blue-light); transform: translateY(-0.125rem); box-shadow: 0 0.625rem 2rem rgba(26,92,255,0.35); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.625rem;
  background: rgba(255,255,255,0.12); border: 0.0625rem solid rgba(255,255,255,0.3);
  color: white; padding: 0.875em 1.75em; border-radius: 0.75rem;
  font-family: var(--font); font-weight: 600; font-size: 0.9375rem;
  text-decoration: none; transition: var(--transition); backdrop-filter: blur(0.5rem);
}
.btn-ghost:hover { background: rgba(255,255,255,0.22); transform: translateY(-0.125rem); }

.btn-ghost-dark {
  display: inline-flex; align-items: center; gap: 0.625rem;
  background: transparent; border: 0.09375rem solid rgba(255,255,255,0.4);
  color: white; padding: 0.875em 1.75em; border-radius: 0.75rem;
  font-family: var(--font); font-weight: 600; font-size: 0.9375rem;
  text-decoration: none; transition: var(--transition);
}
.btn-ghost-dark:hover { background: rgba(255,255,255,0.1); transform: translateY(-0.125rem); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.625rem;
  background: transparent; border: 0.09375rem solid var(--blue);
  color: var(--blue); padding: 0.8125em 1.75em; border-radius: 0.75rem;
  font-family: var(--font); font-weight: 600; font-size: 0.9375rem;
  text-decoration: none; transition: var(--transition);
}
.btn-outline:hover { background: var(--blue); color: white; transform: translateY(-0.125rem); }

/* ===== TRUST ===== */
.trust-section {
  background: var(--sky); padding: 4rem 0;
  border-top: 0.0625rem solid var(--gray-200); border-bottom: 0.0625rem solid var(--gray-200);
}
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.trust-card {
  background: white; border-radius: var(--radius); padding: 2rem 1.5rem;
  text-align: center; box-shadow: var(--shadow-sm);
  border: 0.0625rem solid var(--gray-200);
  transition: var(--transition);
}
.trust-card:hover { transform: translateY(-0.25rem); box-shadow: var(--shadow-lg); }
.trust-icon {
  width: 3.5rem; height: 3.5rem; background: var(--blue-soft);
  border-radius: 0.875rem; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem; font-size: 1.375rem; color: var(--blue);
}
.trust-number {
  font-family: var(--font); font-size: 2.4rem; font-weight: 800;
  color: var(--navy); line-height: 1;
  margin-bottom: 0.375rem;
}
.trust-label { font-size: 0.875rem; color: var(--text-soft); font-weight: 500; }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 3.75rem; }
.section-badge {
  display: inline-block; background: var(--blue-soft); color: var(--blue);
  font-size: 0.75rem; font-family: var(--font); font-weight: 600;
  padding: 0.375em 1.333em; border-radius: 6.25rem; letter-spacing: 0.06em;
  text-transform: uppercase; margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font); font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; color: var(--navy); margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.section-desc { font-size: 1rem; color: var(--text-soft); max-width: 35rem; margin: 0 auto; line-height: 1.7; }

/* ===== COURSES ===== */
.courses-section { background: var(--white); }
.courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }

.course-card {
  background: white; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 0.0625rem solid var(--gray-200);
  transition: var(--transition); cursor: pointer;
  display: flex; flex-direction: column;
}
.course-card:hover { transform: translateY(-0.375rem); box-shadow: var(--shadow-xl); }
.course-img {
  width: 100%; height: 12.5rem; object-fit: cover;
  background: var(--gray-100);
  transition: transform 0.5s ease;
}
.course-card:hover .course-img { transform: scale(1.05); }
.course-img-wrap { overflow: hidden; }
.course-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.course-tag {
  display: inline-block; background: var(--blue-soft); color: var(--blue);
  font-size: 0.6875rem; font-weight: 600; padding: 0.364em 1.091em; border-radius: 6.25rem;
  margin-bottom: 0.75rem; font-family: var(--font); letter-spacing: 0.04em;
}
.course-title {
  font-family: var(--font); font-weight: 700; font-size: 1.1rem;
  color: var(--navy); margin-bottom: 0.625rem;
}
.course-desc { font-size: 0.875rem; color: var(--text-soft); line-height: 1.6; flex: 1; margin-bottom: 1.25rem; }
.course-learn-btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  color: var(--blue); font-weight: 600; font-size: 0.875rem;
  font-family: var(--font); background: none; border: none; cursor: pointer;
  padding: 0; transition: var(--transition);
}
.course-learn-btn:hover { gap: 0.75em; }

/* ===== INSTRUCTORS ===== */
.instructors-section { background: var(--sky); }
.instructors-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.instructor-card {
  background: white; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 0.0625rem solid var(--gray-200);
  transition: var(--transition); text-align: center;
}
.instructor-card:hover { transform: translateY(-0.25rem); box-shadow: var(--shadow-lg); }
.instructor-img {
  width: 100%; height: 12.5rem; object-fit: cover; background: var(--gray-100);
}
.instructor-body { padding: 1.25rem; }
.instructor-name { font-family: var(--font); font-weight: 700; font-size: 1rem; color: var(--navy); margin-bottom: 0.25rem; }
.instructor-exp { font-size: 0.8125rem; color: var(--text-soft); margin-bottom: 0.75rem; }
.instructor-rating { display: flex; align-items: center; justify-content: center; gap: 0.25rem; }
.star { color: #F59E0B; font-size: 0.8125rem; }
.rating-num { font-size: 0.8125rem; font-weight: 600; color: var(--text); margin-left: 0.25rem; }

/* ===== TESTIMONIALS ===== */
.testimonials-section { background: var(--white); }
.testimonials-carousel {
  position: relative; min-height: 21.25rem;
  display: flex; align-items: center; justify-content: center;
  perspective: 87.5rem; overflow: visible;
}
.testimonial-card {
  background: white; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); border: 0.0625rem solid var(--gray-200);
  padding: 2.5rem; max-width: 40rem; width: 90%;
  position: absolute; transition: all 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0; transform: scale(0.72) translateX(0);
  z-index: 0; pointer-events: none;
}
.testimonial-card.active {
  opacity: 1; transform: scale(1) translateX(0) translateZ(0);
  position: relative; z-index: 3; pointer-events: auto;
}
.testimonial-card.prev {
  opacity: 0.52; transform: scale(0.83) translateX(-64%) translateZ(-3.125rem);
  z-index: 2; filter: brightness(0.88);
}
.testimonial-card.next {
  opacity: 0.52; transform: scale(0.83) translateX(64%) translateZ(-3.125rem);
  z-index: 2; filter: brightness(0.88);
}
.testimonial-quote { font-size: 3rem; color: var(--blue-soft); font-family: Georgia, serif; line-height: 1; margin-bottom: 1rem; }
.testimonial-text { font-size: 1.05rem; color: var(--gray-800); line-height: 1.75; margin-bottom: 1.75rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 0.875rem; }
.testimonial-avatar {
  width: 3.125rem; height: 3.125rem; border-radius: 50%; object-fit: cover;
  background: var(--blue-soft); font-size: 1.25rem; display: flex; align-items: center; justify-content: center;
  color: var(--blue); font-weight: 700; font-family: var(--font); flex-shrink: 0;
  overflow: hidden;
}
.testimonial-info strong { font-family: var(--font); font-weight: 700; font-size: 0.9375rem; color: var(--navy); display: block; }
.testimonial-info span { font-size: 0.8125rem; color: var(--text-soft); }
.testimonial-stars { display: flex; gap: 0.1875rem; margin-top: 0.25rem; }

.carousel-controls { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 2rem; }
.carousel-btn {
  width: 2.75rem; height: 2.75rem; border-radius: 50%; border: 0.09375rem solid var(--gray-200);
  background: white; color: var(--gray-600); font-size: 0.875rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: var(--transition);
}
.carousel-btn:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.carousel-dots { display: flex; gap: 0.5rem; }
.dot { width: 0.5rem; height: 0.5rem; border-radius: 6.25rem; background: var(--gray-200); cursor: pointer; transition: var(--transition); }
.dot.active { background: var(--blue); width: 1.5rem; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, #1A3A7A 100%);
  padding: 5rem 0;
}
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap;
}
.cta-text h2 { font-family: var(--font); font-size: 2rem; font-weight: 800; color: white; margin-bottom: 0.625rem; }
.cta-text p { color: rgba(255,255,255,0.7); font-size: 1rem; }
.cta-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.footer { background: var(--navy); color: rgba(255,255,255,0.85); padding: 4.5rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; margin-bottom: 3.75rem; }
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,0.55); line-height: 1.7; margin: 1.25rem 0 1.5rem; max-width: 17.5rem; }
.footer-logo .logo-main { color: white; }
.footer-logo .logo-sub { color: rgba(255,255,255,0.4); }
.footer-logo .logo-mark { background: rgba(255,255,255,0.12); }
.social-links { display: flex; gap: 0.75rem; }
.social-links a {
  width: 2.375rem; height: 2.375rem; border-radius: 0.625rem;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 0.875rem; transition: var(--transition);
}
.social-links a:hover { background: var(--blue); color: white; transform: translateY(-0.125rem); }
.footer-col h4 { font-family: var(--font); font-size: 0.875rem; font-weight: 700; color: white; margin-bottom: 1.25rem; letter-spacing: 0.04em; text-transform: uppercase; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col ul li a { font-size: 0.875rem; color: rgba(255,255,255,0.55); text-decoration: none; transition: color var(--transition); }
.footer-col ul li a:hover { color: white; }
.contact-list li { display: flex; align-items: flex-start; gap: 0.625rem; font-size: 0.875rem; color: rgba(255,255,255,0.55); }
.contact-list li i { color: var(--blue-light); margin-top: 0.125rem; width: 0.875rem; flex-shrink: 0; }
.footer-bottom {
  border-top: 0.0625rem solid rgba(255,255,255,0.08); padding: 1.5rem 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem;
  font-size: 0.8125rem; color: rgba(255,255,255,0.35);
}

/* ===== WHATSAPP ===== */
.whatsapp-float {
  position: fixed; bottom: 1.75rem; left: 1.75rem; z-index: 999;
  height: 3.25rem; padding: 0 1.125rem 0 0.875rem;
  background: #25D366; color: white;
  border-radius: 6.25rem;
  display: flex; align-items: center; gap: 0.625rem;
  font-size: 1.5rem; text-decoration: none;
  box-shadow: 0 0.375rem 1.5rem rgba(37,211,102,0.4);
  transition: var(--transition); animation: pulse 3s ease-in-out infinite;
}
.whatsapp-float:hover { transform: translateY(-0.1875rem); animation: none; box-shadow: 0 0.625rem 2rem rgba(37,211,102,0.5); }
.wa-tooltip {
  font-size: 13px; font-weight: 600; font-family: var(--font);
  color: white; white-space: nowrap; letter-spacing: 0.01rem;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top-btn {
  position: fixed; bottom: 1.75rem; right: 1.75rem; z-index: 999;
  width: 3rem; height: 3rem; border-radius: 50%;
  background: var(--blue); color: white; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 0.25rem 1.125rem rgba(26,92,255,0.35);
  opacity: 0; visibility: hidden; transform: translateY(0.75rem);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease, box-shadow var(--transition);
}
.scroll-top-btn.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top-btn:hover { background: var(--blue-light); box-shadow: 0 0.5rem 1.75rem rgba(26,92,255,0.5); transform: translateY(-0.1875rem); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(11,23,57,0.65); backdrop-filter: blur(0.625rem);
  display: flex; align-items: center; justify-content: center; padding: 1.5rem;
  opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
  background: white; border-radius: var(--radius-lg);
  max-width: 42.5rem; width: 100%; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9) translateY(1.25rem);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}
.modal-overlay.open .modal-box { transform: scale(1) translateY(0); }
.modal-close {
  position: absolute; top: 1rem; right: 1rem; z-index: 10;
  width: 2.25rem; height: 2.25rem; border-radius: 50%; border: none;
  background: rgba(0,0,0,0.08); cursor: pointer; font-size: 0.875rem;
  display: flex; align-items: center; justify-content: center; color: var(--gray-600);
  transition: var(--transition);
}
.modal-close:hover { background: var(--gray-200); }
.modal-image-wrap { height: 16.25rem; overflow: hidden; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.modal-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.modal-body { padding: 2rem; }
.modal-tag {
  display: inline-block; background: var(--blue-soft); color: var(--blue);
  font-size: 0.6875rem; font-weight: 600; padding: 0.364em 1.091em; border-radius: 6.25rem;
  margin-bottom: 0.75rem; font-family: var(--font); letter-spacing: 0.04em;
}
.modal-body h2 { font-family: var(--font); font-size: 1.6rem; font-weight: 800; color: var(--navy); margin-bottom: 1rem; }
.modal-body p { font-size: 0.9375rem; color: var(--text-soft); line-height: 1.7; margin-bottom: 1.5rem; }
.modal-learn h4, .modal-highlights h4 {
  font-family: var(--font); font-weight: 700; font-size: 1rem; color: var(--navy);
  margin-bottom: 0.875rem;
}
.modal-learn ul, .modal-highlights ul { list-style: none; display: flex; flex-direction: column; gap: 0.625rem; margin-bottom: 1.5rem; }
.modal-learn ul li, .modal-highlights ul li {
  display: flex; align-items: center; gap: 0.625rem; font-size: 0.875rem; color: var(--gray-800);
}
.modal-learn ul li::before { content: ''; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--blue); flex-shrink: 0; }
.modal-highlights ul li i { color: var(--blue); width: 1rem; }

/* ===== PAGE HERO ===== */
.page-hero {
  padding-top: calc(var(--nav-height) + 3.75rem); padding-bottom: 3.75rem;
  background: linear-gradient(135deg, var(--navy) 0%, #1A3A7A 100%);
  text-align: center; color: white;
}
.page-hero h1 { font-family: var(--font); font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; margin-bottom: 1rem; }
.page-hero p { font-size: 1.05rem; color: rgba(255,255,255,0.7); max-width: 35rem; margin: 0 auto; }
.breadcrumb { font-family: var(--font); display: flex; align-items: center; justify-content: center; gap: 0.5rem; font-size: 0.8125rem; color: rgba(255,255,255,0.5); margin-bottom: 1.25rem; }
.breadcrumb a { color: rgba(255,255,255,0.5); text-decoration: none; transition: var(--transition); }
.breadcrumb a:hover { color: white; }
.breadcrumb i { font-size: 0.625rem; }

/* Page-specific hero photo backgrounds */
.page-hero--about {
  background-image:
    linear-gradient(rgba(0,0,0,0.42), rgba(0,0,0,0.60)),
    url('images/about.avif');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-hero--pricing {
  background-image:
    linear-gradient(rgba(0,0,0,0.42), rgba(0,0,0,0.60)),
    url('images/pricing.avif');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-hero--contact {
  background-image:
    linear-gradient(rgba(0,0,0,0.42), rgba(0,0,0,0.60)),
    url('images/contact.avif');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-hero--courses {
  background-image:
    linear-gradient(rgba(0,0,0,0.42), rgba(0,0,0,0.60)),
    url('images/courses.avif');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.page-hero--gallery {
  background-image:
    linear-gradient(rgba(0,0,0,0.42), rgba(0,0,0,0.60)),
    url('images/course-1.avif');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ===== ABOUT PAGE ===== */
.about-mission { padding: 6.25rem 0; }
.mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.mission-img { border-radius: var(--radius-lg); overflow: hidden; height: 26.25rem; box-shadow: var(--shadow-xl); }
.mission-img img { width: 100%; height: 100%; object-fit: cover; }
.mission-text h2 { font-family: var(--font); font-size: 2rem; font-weight: 800; color: var(--navy); margin-bottom: 1.25rem; }
.mission-text p { color: var(--text-soft); line-height: 1.8; margin-bottom: 1.25rem; }
.vision-card { background: var(--sky); border-radius: var(--radius); padding: 1.5rem; margin-top: 1.5rem; border-left: 0.25rem solid var(--blue); }
.vision-card h4 { font-family: var(--font); font-weight: 700; color: var(--navy); margin-bottom: 0.5rem; }
.vision-card p { margin-bottom: 0; font-size: 0.875rem; }

.journey-section { background: var(--sky); padding: 6.25rem 0; }
.timeline { display: flex; flex-direction: column; gap: 0; max-width: 43.75rem; margin: 0 auto; position: relative; }
.timeline::before { content: ''; position: absolute; left: 1.25rem; top: 0; bottom: 0; width: 0.125rem; background: var(--gray-200); }
.timeline-item { display: flex; gap: 2rem; padding-bottom: 3rem; position: relative; }
.timeline-dot { width: 2.625rem; height: 2.625rem; background: var(--blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 0.875rem; flex-shrink: 0; box-shadow: 0 0 0 0.375rem var(--blue-soft); z-index: 1; }
.timeline-content { padding-top: 0.5rem; }
.timeline-year { font-family: var(--font); font-weight: 700; color: var(--blue); font-size: 0.8125rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.375rem; }
.timeline-content h4 { font-family: var(--font); font-weight: 700; color: var(--navy); margin-bottom: 0.5rem; font-size: 1.1rem; }
.timeline-content p { font-size: 0.875rem; color: var(--text-soft); line-height: 1.7; }

.board-section, .executive-section { padding: 6.25rem 0; }
.board-section { background: var(--white); }
.executive-section { background: var(--sky); }
.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.person-card { background: white; border-radius: var(--radius); border: 0.0625rem solid var(--gray-200); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.person-card:hover { transform: translateY(-0.25rem); box-shadow: var(--shadow-lg); }
.person-img { width: 100%; height: 13.75rem; object-fit: cover; background: var(--gray-100); }
.person-body { padding: 1.375rem; }
.person-name { font-family: var(--font); font-weight: 700; color: var(--navy); font-size: 1rem; margin-bottom: 0.25rem; }
.person-role { font-size: 0.8125rem; color: var(--blue); font-weight: 600; margin-bottom: 0.625rem; }
.person-bio { font-size: 0.8125rem; color: var(--text-soft); line-height: 1.6; }

/* ===== GALLERY PAGE ===== */
.gallery-section { padding: 5rem 0; }
.gallery-filters { display: flex; gap: 0.75rem; justify-content: center; margin-bottom: 2.5rem; flex-wrap: wrap; }
.filter-btn {
  padding: 0.625em 1.375em; border-radius: 6.25rem; border: 0.09375rem solid var(--gray-200);
  background: white; color: var(--gray-600); font-family: var(--font); font-weight: 600;
  font-size: 0.8125rem; cursor: pointer; transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active { background: var(--blue); color: white; border-color: var(--blue); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.gallery-item { border-radius: var(--radius); overflow: hidden; cursor: pointer; aspect-ratio: 4/3; position: relative; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item-overlay {
  position: absolute; inset: 0; background: rgba(11,23,57,0.5);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition); color: white; font-size: 1.5rem;
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }
.gallery-item.hidden { display: none; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 3000; background: rgba(0,0,0,0.92);
  display: flex; align-items: center; justify-content: center; padding: 1.5rem;
  opacity: 0; visibility: hidden; transition: all 0.3s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: 0.75rem; }
.lightbox-close {
  position: absolute; top: 1.25rem; right: 1.25rem; width: 2.5rem; height: 2.5rem;
  background: rgba(255,255,255,0.1); border: none; color: white; border-radius: 50%;
  font-size: 1rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); }

/* ===== PRICING PAGE ===== */
.pricing-section { padding: 6.25rem 0; background: var(--sky); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; align-items: start; }
.pricing-card {
  background: white; border-radius: var(--radius-lg); padding: 2.25rem; 
  border: 0.09375rem solid var(--gray-200); box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.pricing-card:hover { transform: translateY(-0.25rem); box-shadow: var(--shadow-lg); }
.pricing-card.featured {
  background: var(--navy); color: white; border-color: var(--blue);
  box-shadow: 0 1.25rem 3.75rem rgba(26,92,255,0.25);
  transform: translateY(-0.75rem);
}
.pricing-card.featured:hover { transform: translateY(-1rem); }
.pricing-tier { font-family: var(--font); font-weight: 700; font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue); margin-bottom: 0.5rem; }
.pricing-card.featured .pricing-tier { color: #A8C4FF; }
.pricing-name { font-family: var(--font); font-weight: 800; font-size: 1.5rem; color: var(--navy); margin-bottom: 1.5rem; }
.pricing-card.featured .pricing-name { color: white; }
.pricing-price { margin-bottom: 1.75rem; }
.pricing-price .amount { font-family: var(--font); font-weight: 800; font-size: 2.8rem; color: var(--navy); }
.pricing-card.featured .pricing-price .amount { color: white; }
.pricing-price .currency { font-size: 1.4rem; font-weight: 600; color: var(--text-soft); vertical-align: super; margin-right: 0.125rem; }
.pricing-card.featured .pricing-price .currency { color: rgba(255,255,255,0.6); }
.pricing-price .period { font-size: 0.875rem; color: var(--text-soft); }
.pricing-card.featured .pricing-price .period { color: rgba(255,255,255,0.5); }
.pricing-divider { height: 0.0625rem; background: var(--gray-200); margin-bottom: 1.5rem; }
.pricing-card.featured .pricing-divider { background: rgba(255,255,255,0.12); }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 0.875rem; margin-bottom: 2rem; }
.pricing-features li { display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem; color: var(--gray-800); }
.pricing-card.featured .pricing-features li { color: rgba(255,255,255,0.85); }
.pricing-features li i { width: 1.125rem; color: var(--blue); }
.pricing-card.featured .pricing-features li i { color: #A8C4FF; }
.pricing-card.featured .btn-primary { background: white; color: var(--blue); }
.pricing-card.featured .btn-primary:hover { background: var(--blue-soft); }
.pricing-badge {
  background: var(--blue); color: white; font-size: 0.6875rem; font-weight: 700;
  padding: 0.364em 1.091em; border-radius: 6.25rem; font-family: var(--font);
  display: inline-block; margin-bottom: 1rem; letter-spacing: 0.04em;
}
.pricing-btn-wrap { display: block; }
.pricing-btn-wrap .btn-primary { width: 100%; justify-content: center; }
.pricing-btn-wrap .btn-outline { width: 100%; justify-content: center; }

/* ===== CONTACT PAGE ===== */
.contact-section { padding: 6.25rem 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact-info h2 { font-family: var(--font); font-size: 1.8rem; font-weight: 800; color: var(--navy); margin-bottom: 1rem; }
.contact-info p { color: var(--text-soft); line-height: 1.7; margin-bottom: 2rem; }
.contact-details { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 2rem; }
.contact-detail { display: flex; align-items: flex-start; gap: 1rem; }
.contact-detail-icon { width: 2.75rem; height: 2.75rem; background: var(--blue-soft); border-radius: 0.75rem; display: flex; align-items: center; justify-content: center; color: var(--blue); font-size: 1rem; flex-shrink: 0; }
.contact-detail-text strong { font-family: var(--font); font-weight: 700; display: block; font-size: 0.875rem; color: var(--navy); margin-bottom: 0.1875rem; }
.contact-detail-text span { font-size: 0.875rem; color: var(--text-soft); }

.contact-form-card { background: white; border-radius: var(--radius-lg); padding: 2.5rem; border: 0.0625rem solid var(--gray-200); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.25rem; }
.form-group label { font-family: var(--font); font-weight: 600; font-size: 0.8125rem; color: var(--navy); }
.form-group input, .form-group select, .form-group textarea {
  padding: 0.75rem 1rem; border: 0.09375rem solid var(--gray-200); border-radius: 0.625rem;
  font-family: var(--font-body); font-size: 0.875rem; color: var(--text);
  transition: var(--transition); outline: none; background: white;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 0.1875rem var(--blue-glow);
}
.form-group textarea { resize: vertical; min-height: 7.5rem; }
.map-wrap { margin-top: 4rem; border-radius: var(--radius-lg); overflow: hidden; height: 22.5rem; box-shadow: var(--shadow); }
.map-wrap iframe { width: 100%; height: 100%; border: none; display: block; }
.form-submit { width: 100%; justify-content: center; }
.form-success { background: #ECFDF5; border: 0.0625rem solid #A7F3D0; border-radius: 0.625rem; padding: 1rem; text-align: center; color: #065F46; font-weight: 600; font-size: 0.875rem; display: none; margin-top: 1rem; }
.form-success.show { display: block; }

/* ===== COURSES FULL PAGE ===== */
.courses-full-section { padding: 5rem 0; }
.courses-full-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }

/* ===== WHY CHOOSE US ===== */
.why-section { background: var(--white); }
.why-features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.why-card {
  display: flex; align-items: flex-start; gap: 1.125rem;
  background: var(--sky); border-radius: var(--radius);
  padding: 1.75rem; border: 0.0625rem solid var(--gray-200);
  transition: var(--transition);
}
.why-card:hover { transform: translateY(-0.25rem); box-shadow: var(--shadow-lg); background: white; }
.why-icon {
  width: 3.125rem; height: 3.125rem; background: var(--blue-soft);
  border-radius: 0.875rem; display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; color: var(--blue); flex-shrink: 0; transition: var(--transition);
}
.why-card:hover .why-icon { background: var(--blue); color: white; }
.why-content h4 {
  font-family: var(--font); font-weight: 700; font-size: 1rem;
  color: var(--navy); margin-bottom: 0.5rem;
}
.why-content p { font-size: 0.875rem; color: var(--text-soft); line-height: 1.7; margin: 0; }

/* ===== RESPONSIVE ===== */
@media (min-width: 90rem) {
  .container { max-width: 87.5rem; }
  .nav-container { max-width: 90rem; }
  html { font-size: 110%; } /* Slightly scale up for large monitors */
}

@media (max-width: 75rem) { /* Mobile nav triggered earlier if needed, but let's stick to 1024px/64rem */
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .people-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .instructors-grid { grid-template-columns: repeat(2, 1fr); }
  .why-features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 63.9375rem) { /* 1023px - Mobile Nav Trigger (Desktop starts at 1024px) */
  .nav-links { 
    display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; 
    background: white; padding: 1rem; gap: 0.25rem; box-shadow: var(--shadow-lg); 
    border-radius: 0 0 var(--radius) var(--radius); 
  }
  .nav-links.open { display: flex; }
  .btn-book { display: none; }
  .hamburger { display: flex; margin-left: auto; width: 2.75rem; height: 2.75rem; align-items: center; justify-content: center; -webkit-tap-highlight-color: transparent; }
  
  /* Accordion Dropdown Mobile */
  .dropdown-parent { position: static; }
  .dropdown-menu {
    position: static; transform: none !important; opacity: 1 !important; visibility: visible !important;
    pointer-events: auto !important; border: none; box-shadow: none; background: transparent;
    display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.3s ease;
    padding: 0; min-width: unset;
  }
  .dropdown-parent.show .dropdown-menu { grid-template-rows: 1fr; }
  .dropdown-menu::before { display: none; }
  .dropdown-inner { overflow: hidden; min-height: 0; padding: 0; margin-left: 1rem; border-left: 0.125rem solid var(--gray-100); }
}

@media (max-width: 48rem) { /* 768px */
  .courses-grid, .courses-full-grid { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .people-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .section { padding: 3.75rem 0; }
  .instructors-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2.2rem; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .why-features-grid { grid-template-columns: 1fr; }
  
  .testimonials-carousel { min-height: 18.75rem; overflow: hidden; perspective: none; }
  .testimonial-card.prev, .testimonial-card.next { opacity: 0; pointer-events: none; transform: scale(0.72) translateX(0); }
  
  .wa-tooltip { display: none; }
  .whatsapp-float { padding: 0; width: 3.125rem; height: 3.125rem; border-radius: 50%; justify-content: center; font-size: 1.375rem; bottom: 1.25rem; left: 1.25rem; }
  .scroll-top-btn { width: 2.75rem; height: 2.75rem; bottom: 1.25rem; right: 1.25rem; font-size: 0.875rem; }
}

@media (max-width: 37.5rem) { /* 600px - Fix Mobile Overflow */
  .instructors-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.8rem; }
  .section { padding: 3rem 0; }
  .container { padding: 0 1rem; }
  .gallery-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .instructors-grid { grid-template-columns: 1fr; }
}