:root {
  --primary: #0a2540;
  --primary-light: #1a3a5c;
  --secondary: #0066cc;
  --accent: #00c9a7;
  --accent-dark: #00b092;
  --dark: #0d1b2a;
  --text: #2d3748;
  --text-light: #718096;
  --bg: #ffffff;
  --bg-light: #f7fafc;
  --bg-alt: #edf2f7;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 12px 48px rgba(10, 37, 64, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sm: clamp(0.75rem, 2vw, 0.88rem);
  --font-base: clamp(0.88rem, 2.5vw, 1rem);
  --font-md: clamp(0.95rem, 2.8vw, 1.1rem);
  --font-lg: clamp(1.1rem, 3.5vw, 1.6rem);
  --font-xl: clamp(1.3rem, 4vw, 2rem);
  --font-2xl: clamp(1.5rem, 5vw, 2.5rem);
  --font-3xl: clamp(1.8rem, 6vw, 3rem);
  --font-4xl: clamp(2rem, 7vw, 4rem);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text); line-height: 1.7; background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
  overflow-x: hidden;
  width: 100%;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }

.section { padding: 100px 0; }

.section-header {
  text-align: center; max-width: 700px; margin: 0 auto 60px;
}
.section-tag {
  display: inline-block;
  background: rgba(0, 201, 167, 0.1);
  color: var(--accent-dark);
  font-size: var(--font-sm); font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; padding: 6px 18px; border-radius: 50px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: var(--font-2xl); font-weight: 800; color: var(--primary);
  line-height: 1.2; margin-bottom: 16px;
}
.section-header p { color: var(--text-light); font-size: var(--font-md); }

/* Buttons - min touch target 44px on mobile */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px; font-weight: 600;
  font-size: var(--font-base); cursor: pointer; transition: var(--transition);
  border: 2px solid transparent; font-family: inherit;
  min-height: 48px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.btn-primary {
  background: var(--secondary); color: #fff;
}
.btn-primary:hover { background: #0052a3; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3); }
.btn-outline {
  background: transparent; border-color: rgba(255,255,255,0.3); color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn-sm { padding: 10px 22px; font-size: var(--font-sm); min-height: 42px; }
.btn-lg { padding: 16px 40px; font-size: var(--font-md); min-height: 54px; }
.btn-block { width: 100%; justify-content: center; }

/* Top Bar */
.top-bar {
  background: var(--primary); color: rgba(255,255,255,0.85);
  font-size: var(--font-sm); padding: 10px 0;
  display: none;
  padding-top: calc(10px + var(--safe-top));
}
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.top-bar-left { display: flex; gap: 28px; flex-wrap: wrap; }
.top-bar-left span { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.top-bar-right a { display: flex; align-items: center; gap: 6px; font-weight: 600; color: var(--accent); min-height: 44px; }
.top-bar-right a:hover { color: #fff; }
.top-bar i { font-size: 0.75rem; }

@media (min-width: 768px) { .top-bar { display: block; } }
@media (max-width: 900px) {
  .top-bar-left { gap: 14px; }
  .top-bar-left span:last-child { display: none; }
}

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
  will-change: transform;
}
.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  border-bottom-color: var(--border);
}
@media (min-width: 768px) { .navbar { top: 40px; } }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo img { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; }
.logo-text {
  font-size: var(--font-base); font-weight: 800; color: var(--primary);
  letter-spacing: -0.5px; line-height: 1.1;
}
.logo-highlight { display: block; font-size: 0.65rem; font-weight: 600; color: var(--secondary); letter-spacing: 2px; }

.nav-menu { display: flex; gap: 4px; }
.nav-menu li a {
  padding: 8px 16px; font-size: var(--font-sm); font-weight: 500;
  color: var(--text); border-radius: 8px; transition: var(--transition);
  min-height: 44px; display: flex; align-items: center;
}
.nav-menu li a:hover,
.nav-menu li a.active { color: var(--secondary); background: rgba(0, 102, 204, 0.06); }

.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 10px;
  min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--primary); border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed; top: 70px; left: 0; width: 100%;
    background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
    flex-direction: column; padding: 20px 24px; gap: 4px;
    transform: translateY(-120%); opacity: 0;
    transition: var(--transition); pointer-events: none;
    border-bottom: 1px solid var(--border);
    max-height: calc(100vh - 70px); overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-menu.active { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-menu li a { display: flex; padding: 14px 16px; font-size: var(--font-base); min-height: 48px; }
  .navbar .btn-sm { display: none; }
  .section { padding: 60px 0; }
  .section-header h2 { font-size: var(--font-xl); }
}
@media (max-width: 360px) {
  .logo-text { font-size: 0.85rem; }
  .logo img { width: 32px; height: 32px; }
  .nav-inner { height: 60px; }
}

/* Hero - content-visibility for performance */
.hero {
  position: relative; min-height: 100vh;
  min-height: 100dvh;
  display: flex; align-items: center;
  overflow: hidden; padding-top: 70px;
  contain: paint layout style;
}
@media (min-width: 768px) { .hero { padding-top: 110px; } }

/* Overlay */
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,37,64,0.92) 0%, rgba(10,37,64,0.75) 50%, rgba(0,102,204,0.3) 100%);
  z-index: 1;
}

/* Background slider with Ken Burns */
.hero-bg-slider { position: absolute; inset: 0; z-index: 0; }
.hero-bg-slider .slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 6s cubic-bezier(0.4, 0, 0.2, 1);
  transform: scale(1);
  will-change: transform, opacity;
}
.hero-bg-slider .slide.active {
  opacity: 1;
  animation: kenBurns 6s ease-in-out forwards;
}
.hero-bg-slider .slide.prev {
  opacity: 0;
  transform: scale(1.05);
}

@keyframes kenBurns {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

/* Slide content */
.hero-content {
  position: relative; z-index: 2; width: 100%;
  display: flex; flex-direction: column; justify-content: center;
  min-height: calc(100vh - 110px);
  min-height: calc(100dvh - 110px);
}
.hero-slide-content {
  display: none;
  animation: slideContentIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  max-width: 800px;
}
.hero-slide-content.active { display: block; }

@keyframes slideContentIn {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.1); backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 8px 20px; border-radius: 50px;
  font-size: var(--font-sm); font-weight: 500; color: var(--accent);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: var(--font-4xl); font-weight: 800; color: #fff;
  line-height: 1.1; margin-bottom: 20px;
  word-break: break-word;
}
.hero h1 .highlight { background: linear-gradient(135deg, var(--accent), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: var(--font-md); color: rgba(255,255,255,0.8); max-width: 600px; margin-bottom: 36px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }
.hero-buttons .btn { min-height: 48px; }
.hero-stats { display: flex; gap: 48px; }
.hero-stats .stat-num { display: block; font-size: var(--font-2xl); font-weight: 800; color: #fff; line-height: 1; }
.hero-stats .stat-label { font-size: var(--font-sm); color: rgba(255,255,255,0.65); }

/* Arrow Controls */
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,0.08); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.hero:hover .hero-arrow { opacity: 1; }
.hero-arrow:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-50%) scale(1.1);
}
.hero-arrow-prev { left: 24px; }
.hero-arrow-next { right: 24px; }

/* Dot Navigation */
.hero-dots {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 10; display: flex; gap: 10px;
  padding: 4px 8px;
}
.hero-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(255,255,255,0.35); border: 2px solid transparent;
  cursor: pointer; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
.hero-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(0, 201, 167, 0.4);
  width: 36px; border-radius: 6px;
}
.hero-dot:hover:not(.active) { background: rgba(255,255,255,0.6); }

/* Progress Bar */
.hero-progress {
  position: absolute; bottom: 0; left: 0; right: 0; height: 3px; z-index: 10;
  background: rgba(255,255,255,0.1);
}
.hero-progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

@media (max-width: 767px) {
  .hero { min-height: 75vh; min-height: 75dvh; padding-top: 60px; }
  .hero-content { min-height: calc(75vh - 60px); min-height: calc(75dvh - 60px); padding: 30px 0 70px; justify-content: center; }
  .hero-badge { font-size: 0.75rem; padding: 6px 16px; margin-bottom: 14px; }
  .hero h1 { font-size: 2rem; margin-bottom: 12px; }
  .hero p { font-size: 0.92rem; margin-bottom: 20px; line-height: 1.5; max-width: 100%; }
  .hero-buttons { margin-bottom: 24px; }
  .hero-buttons .btn { padding: 11px 22px; font-size: 0.85rem; }
  .hero-stats { gap: 12px; flex-wrap: wrap; justify-content: center; }
  .hero-stats .stat { flex: 1; min-width: 70px; text-align: center; }
  .hero-stats .stat-num { font-size: 1.3rem; }
  .hero-stats .stat-label { font-size: 0.7rem; }
  .hero-arrow { width: 36px; height: 36px; font-size: 0.8rem; opacity: 1; }
  .hero-arrow-prev { left: 8px; }
  .hero-arrow-next { right: 8px; }
  .hero-dot { width: 10px; height: 10px; }
  .hero-dot.active { width: 24px; }
  .hero-dots { bottom: 16px; gap: 6px; }
  .hero-progress { height: 2px; }
}

@media (max-width: 480px) {
  .hero { min-height: 70vh; min-height: 70dvh; padding-top: 56px; }
  .hero-content { min-height: calc(70vh - 56px); min-height: calc(70dvh - 56px); padding: 24px 0 60px; }
  .hero-badge { font-size: 0.68rem; padding: 4px 12px; margin-bottom: 10px; }
  .hero h1 { font-size: 1.5rem; margin-bottom: 10px; }
  .hero p { font-size: 0.85rem; margin-bottom: 16px; }
  .hero-buttons .btn { padding: 9px 18px; font-size: 0.8rem; }
  .hero-stats { gap: 8px; }
  .hero-stats .stat { min-width: 60px; }
  .hero-stats .stat-num { font-size: 1.2rem; }
  .hero-stats .stat-label { font-size: 0.62rem; }
  .hero-arrow { width: 30px; height: 30px; font-size: 0.65rem; }
  .hero-arrow-prev { left: 4px; }
  .hero-arrow-next { right: 4px; }
  .hero-dots { bottom: 12px; gap: 5px; }
  .hero-dot { width: 8px; height: 8px; }
  .hero-dot.active { width: 18px; }
}

@media (max-width: 360px) {
  .hero { min-height: 65vh; min-height: 65dvh; }
  .hero-content { min-height: calc(65vh - 56px); min-height: calc(65dvh - 56px); padding: 20px 0 50px; }
  .hero h1 { font-size: 1.25rem; }
  .hero p { font-size: 0.8rem; margin-bottom: 14px; }
  .hero-badge { font-size: 0.6rem; padding: 3px 10px; }
  .hero-buttons { flex-direction: column; gap: 8px; }
  .hero-buttons .btn { width: 100%; justify-content: center; font-size: 0.78rem; padding: 10px 16px; }
  .hero-stats { gap: 4px; }
  .hero-stats .stat { min-width: 50px; }
  .hero-stats .stat-num { font-size: 1rem; }
  .hero-stats .stat-label { font-size: 0.58rem; }
}

/* Below-fold sections: content-visibility for instant paint */
.about { content-visibility: auto; contain-intrinsic-size: 800px; }
.services { content-visibility: auto; contain-intrinsic-size: 900px; }
.bicsc-banner { content-visibility: auto; contain-intrinsic-size: 400px; }
.academy { content-visibility: auto; contain-intrinsic-size: 800px; }
.process { content-visibility: auto; contain-intrinsic-size: 500px; }
.gallery-preview { content-visibility: auto; contain-intrinsic-size: 500px; }
.testimonials { content-visibility: auto; contain-intrinsic-size: 500px; }
.cta { content-visibility: auto; contain-intrinsic-size: 300px; }
.contact { content-visibility: auto; contain-intrinsic-size: 800px; }
.footer { content-visibility: auto; contain-intrinsic-size: 500px; }

/* BICSc Banner */
.bicsc-banner { background: var(--primary); padding: 80px 0; }
.bicsc-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.bicsc-text .section-tag { background: rgba(0, 201, 167, 0.15); }
.bicsc-text h2 { font-size: var(--font-2xl); font-weight: 700; color: #fff; margin-bottom: 16px; }
.bicsc-text p { color: rgba(255,255,255,0.75); font-size: var(--font-md); }
.bicsc-image img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; }

@media (max-width: 767px) {
  .bicsc-content { grid-template-columns: 1fr; gap: 30px; }
  .bicsc-text h2 { font-size: var(--font-xl); }
  .bicsc-banner { padding: 50px 0; }
}

/* Academy Section */
.academy {
  position: relative; padding: 120px 0; overflow: hidden;
  background: var(--primary);
}
.academy-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('academy.jpg');
  background-size: cover; background-position: center;
  background-attachment: fixed;
}
.academy-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,37,64,0.92) 0%, rgba(10,37,64,0.7) 40%, rgba(0,102,204,0.35) 100%);
}
.academy-pattern {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0,201,167,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(0,102,204,0.08) 0%, transparent 50%);
}
.academy-content { position: relative; z-index: 2; text-align: center; max-width: 960px; margin: 0 auto; padding: 0 16px; }
.academy-header { margin-bottom: 48px; }
.academy-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,201,167,0.15); backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0,201,167,0.2);
  padding: 8px 20px; border-radius: 50px;
  font-size: var(--font-sm); font-weight: 600; color: var(--accent);
  margin-bottom: 20px;
}
.academy-header h2 {
  font-size: var(--font-3xl); font-weight: 800; color: #fff;
  line-height: 1.15; margin-bottom: 16px;
}
.academy-header p { font-size: var(--font-md); color: rgba(255,255,255,0.75); max-width: 640px; margin: 0 auto; line-height: 1.7; }

.academy-stats {
  display: flex; justify-content: center; gap: 40px; margin-bottom: 56px; flex-wrap: wrap;
}
.academy-stat { text-align: center; flex: 1; min-width: 100px; }
.academy-stat-num {
  display: block; font-size: clamp(1.8rem, 5vw, 2.8rem); font-weight: 800; color: #fff;
  line-height: 1; margin-bottom: 4px;
  background: linear-gradient(135deg, var(--accent), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.academy-stat-label { font-size: var(--font-sm); color: rgba(255,255,255,0.6); font-weight: 500; }

.academy-features {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 48px;
}
.academy-feature-card {
  background: rgba(255,255,255,0.06); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; padding: 32px 24px;
  text-align: center; transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
}
.academy-feature-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-6px);
  border-color: rgba(0,201,167,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.academy-feature-icon {
  width: 56px; height: 56px; border-radius: 16px;
  background: rgba(0,201,167,0.15);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.3rem; color: var(--accent);
}
.academy-feature-card h4 { color: #fff; font-size: var(--font-base); font-weight: 700; margin-bottom: 8px; }
.academy-feature-card p { color: rgba(255,255,255,0.6); font-size: var(--font-sm); line-height: 1.5; }

.academy-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-academy {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; border-radius: 50px; font-weight: 600;
  font-size: var(--font-base); cursor: pointer; transition: all 0.3s ease;
  border: 2px solid transparent; font-family: inherit;
  min-height: 48px;
}
.btn-academy-primary {
  background: var(--accent); color: var(--primary);
}
.btn-academy-primary:hover {
  background: #00b092; transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,201,167,0.35);
}
.btn-academy-secondary {
  background: transparent; border-color: rgba(255,255,255,0.3); color: #fff;
}
.btn-academy-secondary:hover {
  background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-3px);
}

@media (max-width: 900px) {
  .academy-features { grid-template-columns: repeat(2, 1fr); }
  .academy-header h2 { font-size: var(--font-2xl); }
  .academy { padding: 80px 0; }
}
@media (max-width: 600px) {
  .academy-features { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
  .academy-header h2 { font-size: var(--font-xl); }
  .academy-header p { font-size: var(--font-base); }
  .academy-stat-num { font-size: clamp(1.5rem, 4vw, 2rem); }
  .academy-stats { gap: 16px; }
  .academy { padding: 60px 0; }
  .academy-bg { background-attachment: scroll; }
}
@media (max-width: 480px) {
  .academy-header h2 { font-size: var(--font-lg); }
  .academy-tag { font-size: 0.72rem; padding: 6px 14px; }
  .academy-stat-num { font-size: clamp(1.2rem, 3.5vw, 1.6rem); }
  .academy-stat-label { font-size: 0.72rem; }
  .academy-feature-card { padding: 24px 18px; }
  .btn-academy { padding: 14px 24px; font-size: var(--font-sm); min-height: 44px; }
  .academy-stats { gap: 8px; }
  .academy-stat { min-width: 70px; }
}

/* Gallery Carousel Section */
.gallery-preview { background: var(--bg); overflow: hidden; }
.gallery-carousel-wrapper { position: relative; display: flex; align-items: center; gap: 12px; }
.gallery-carousel {
  display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch; scroll-behavior: smooth;
  padding: 8px 4px 16px; flex: 1;
  scrollbar-width: none; -ms-overflow-style: none;
}
.gallery-carousel::-webkit-scrollbar { display: none; }
.gallery-carousel-card {
  flex: 0 0 calc(33.333% - 12px); scroll-snap-align: start;
  position: relative; border-radius: 12px; overflow: hidden; cursor: pointer;
  aspect-ratio: 4/3; box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  min-width: 260px;
}
.gallery-carousel-card:hover { transform: scale(1.03); box-shadow: 0 12px 36px rgba(0,0,0,0.12); }
.gallery-carousel-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-carousel-card:hover img { transform: scale(1.1); }
.gallery-carousel-card .gallery-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,37,64,0.85) 0%, transparent 50%);
  display: flex; flex-direction: column; justify-content: flex-end; align-items: center;
  padding: 20px; opacity: 0; transition: opacity 0.4s ease;
}
.gallery-carousel-card:hover .gallery-card-overlay { opacity: 1; }
.gallery-carousel-card .gallery-card-overlay i {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  color: #fff; font-size: 2rem; opacity: 0.9;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.gallery-carousel-card .gallery-card-overlay h4 {
  color: #fff; font-size: var(--font-base); font-weight: 600; text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.gallery-carousel-arrow {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow); transition: var(--transition);
  flex-shrink: 0; z-index: 2;
  -webkit-tap-highlight-color: transparent;
}
.gallery-carousel-arrow:hover { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.gallery-preview .gallery-view-all { text-align: center; margin-top: 32px; }

@media (max-width: 900px) {
  .gallery-carousel-card { flex: 0 0 calc(50% - 10px); min-width: 220px; }
  .gallery-carousel { gap: 12px; }
}
@media (max-width: 600px) {
  .gallery-carousel-card { flex: 0 0 calc(80% - 8px); min-width: 200px; }
  .gallery-carousel-card .gallery-card-overlay { opacity: 1; }
  .gallery-carousel { gap: 10px; padding: 4px 2px 12px; }
  .gallery-carousel-arrow { display: none; }
}
@media (max-width: 480px) {
  .gallery-carousel-card { flex: 0 0 85%; min-width: 180px; }
  .gallery-carousel-card .gallery-card-overlay h4 { font-size: var(--font-sm); }
  .gallery-carousel-card .gallery-card-overlay i { font-size: 1.5rem; }
}

/* About */
.about { background: var(--bg-light); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { position: relative; }
.about-image img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; min-height: 400px; }
.about-exp-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--secondary); color: #fff;
  padding: 24px 28px; border-radius: var(--radius);
  text-align: center; line-height: 1.2;
}
.about-exp-badge .exp-num { display: block; font-size: var(--font-2xl); font-weight: 800; }
.about-exp-badge span:last-child { font-size: var(--font-sm); opacity: 0.9; }
.about-content h3 { font-size: var(--font-xl); font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.about-content p { color: var(--text-light); margin-bottom: 12px; font-size: var(--font-base); }
.about-features { margin: 28px 0; display: flex; flex-direction: column; gap: 16px; }
.about-feature { display: flex; gap: 16px; align-items: flex-start; }
.about-feature i { font-size: 1.3rem; color: var(--accent); margin-top: 2px; flex-shrink: 0; }
.about-feature h4 { font-size: var(--font-base); font-weight: 600; color: var(--primary); }
.about-feature p { font-size: var(--font-sm); margin: 0; }

@media (max-width: 767px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-exp-badge { right: 0; }
}

/* Services */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.services-tabs {
  display: flex; justify-content: center; gap: 8px; margin-bottom: 40px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 10px 28px; border-radius: 50px; border: 2px solid var(--border);
  background: var(--bg); cursor: pointer; font-weight: 600;
  font-size: var(--font-sm); color: var(--text); font-family: inherit;
  transition: var(--transition);
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}
.tab-btn.active { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.tab-btn:hover:not(.active) { border-color: var(--secondary); color: var(--secondary); }
.service-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 28px;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-icon {
  width: 60px; height: 60px; border-radius: 16px;
  background: rgba(0, 201, 167, 0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 1.5rem; color: var(--accent-dark);
  flex-shrink: 0;
}
.service-card h3 { font-size: var(--font-lg); font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-card p { font-size: var(--font-sm); color: var(--text-light); }

@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

/* Process */
.process { background: var(--bg-light); }
.process-steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  position: relative;
}
.process-step {
  text-align: center; padding: 40px 28px;
  background: var(--bg); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); position: relative;
}
.step-number {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--secondary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
  margin: 0 auto 16px;
}
.step-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 16px; }
.process-step h3 { font-size: var(--font-lg); font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.process-step p { font-size: var(--font-sm); color: var(--text-light); }

@media (max-width: 767px) { .process-steps { grid-template-columns: 1fr; gap: 20px; } }

/* Projects */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card { border-radius: var(--radius); overflow: hidden; }
.project-image { position: relative; border-radius: var(--radius); overflow: hidden; }
.project-image img { width: 100%; height: 300px; object-fit: cover; transition: var(--transition); }
.project-card:hover .project-image img { transform: scale(1.05); }
.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,37,64,0.9), transparent);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px; opacity: 0; transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay h3 { color: #fff; font-size: var(--font-lg); font-weight: 700; }
.project-overlay p { color: rgba(255,255,255,0.7); font-size: var(--font-sm); }

@media (max-width: 767px) {
  .projects-grid { grid-template-columns: 1fr; }
  .project-overlay { opacity: 1; }
  .project-image img { height: 240px; }
}

/* Testimonials */
.testimonials { background: var(--bg-light); }
.testimonials-slider { max-width: 700px; margin: 0 auto; position: relative; }
.testimonial-card {
  background: var(--bg); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow);
  display: none;
}
.testimonial-card.active { display: block; }
.testimonial-stars { color: #f59e0b; margin-bottom: 16px; display: flex; gap: 4px; flex-wrap: wrap; }
.testimonial-text { font-size: var(--font-md); color: var(--text); line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar i { font-size: 3rem; color: var(--secondary); flex-shrink: 0; }
.testimonial-author h4 { font-size: var(--font-base); font-weight: 700; color: var(--primary); }
.testimonial-author span { font-size: var(--font-sm); color: var(--text-light); }
.testimonial-slider-controls { display: flex; justify-content: center; gap: 8px; margin-top: 24px; }
.slider-dot { width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--border); background: var(--bg); cursor: pointer; transition: var(--transition); min-width: 12px; }
.slider-dot.active { background: var(--secondary); border-color: var(--secondary); }

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 80px 0; text-align: center;
}
.cta-content h2 { font-size: var(--font-2xl); font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-content p { font-size: var(--font-md); color: rgba(255,255,255,0.75); margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 767px) { .cta-content h2 { font-size: var(--font-xl); } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info-card { display: flex; gap: 16px; align-items: flex-start; padding: 20px; background: var(--bg-light); border-radius: var(--radius); }
.contact-info-card i { font-size: 1.3rem; color: var(--secondary); margin-top: 2px; flex-shrink: 0; }
.contact-info-card h4 { font-size: var(--font-base); font-weight: 600; color: var(--primary); margin-bottom: 2px; }
.contact-info-card p { font-size: var(--font-sm); color: var(--text-light); word-break: break-word; }
.contact-info-card a { color: var(--secondary); }
.contact-info-card a:hover { text-decoration: underline; }

.contact-form { background: var(--bg); padding: 36px; border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group:last-of-type { margin-bottom: 24px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 14px 18px; border: 2px solid var(--border);
  border-radius: 10px; font-size: 16px; font-family: inherit;
  background: var(--bg-light); transition: var(--transition); outline: none;
  color: var(--text);
  /* 16px min to prevent iOS zoom on focus */
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--secondary); background: var(--bg); }
.form-group textarea { resize: vertical; min-height: 120px; }

@media (max-width: 767px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
}

/* Footer */
.footer {
  background: var(--dark); color: rgba(255,255,255,0.7); padding: 80px 0 0;
  padding-bottom: calc(0px + var(--safe-bottom));
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-logo { width: 50px; height: 50px; border-radius: 10px; margin-bottom: 16px; }
.footer-brand p { font-size: var(--font-sm); line-height: 1.7; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.footer-social a {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); transition: var(--transition);
}
.footer-social a:hover { border-color: var(--secondary); color: var(--secondary); background: rgba(0, 102, 204, 0.1); }
.footer-col h4 { color: #fff; font-size: var(--font-base); font-weight: 700; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: var(--font-sm); color: rgba(255,255,255,0.6); transition: var(--transition); min-height: 44px; display: flex; align-items: center; }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }

.newsletter-form { display: flex; margin-top: 16px; }
.newsletter-form input {
  flex: 1; padding: 12px 16px; border: none; border-radius: 8px 0 0 8px;
  font-size: 16px; outline: none; min-height: 44px;
}
.newsletter-form button {
  padding: 12px 18px; background: var(--secondary); color: #fff;
  border: none; border-radius: 0 8px 8px 0; cursor: pointer;
  transition: var(--transition); min-height: 44px;
}
.newsletter-form button:hover { background: #0052a3; }

.footer-bottom { text-align: center; padding: 24px 0; font-size: var(--font-sm); }
.footer-bottom .admin-quick-link {
    color: rgba(255,255,255,0.4);
    transition: var(--transition);
    font-size: var(--font-sm);
}
.footer-bottom .admin-quick-link:hover {
    color: var(--accent);
}

@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer { padding: 50px 0 0; }
}

/* Scroll to top */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--secondary); color: #fff; border: none;
  font-size: 1.1rem; cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 102, 204, 0.3);
  transition: var(--transition); opacity: 0; transform: translateY(20px);
  pointer-events: none;
  -webkit-tap-highlight-color: transparent;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.scroll-top:hover { background: var(--primary); transform: translateY(-4px); }

/* WhatsApp Float Button */
.whatsapp-float {
  position: fixed; bottom: 30px; left: 30px; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff; border: none;
  font-size: 1.5rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  animation: whatsappPulse 2s ease-in-out infinite;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.whatsapp-float:hover {
  background: #20b858;
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}
@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}
@media (max-width: 767px) {
  .whatsapp-float { width: 48px; height: 48px; font-size: 1.3rem; bottom: 20px; left: 20px; }
}

/* ===== COMPREHENSIVE MOBILE RESPONSIVE ===== */
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .section-header { margin-bottom: 36px; }
  .section-header h2 { font-size: 1.6rem; }
  .section-header p { font-size: 0.95rem; }

  .service-card { padding: 24px 20px; }
  .service-icon { width: 48px; height: 48px; font-size: 1.2rem; margin-bottom: 14px; }
  .service-card h3 { font-size: 1rem; }
  .service-card p { font-size: 0.85rem; }

  .about-image img { min-height: 260px; }
  .about-exp-badge { padding: 16px 20px; bottom: -16px; right: 8px; }
  .about-exp-badge .exp-num { font-size: 1.5rem; }
  .about-content h3 { font-size: 1.3rem; }
  .about-feature { gap: 12px; }
  .about-feature i { font-size: 1.1rem; }

  .cta { padding: 50px 0; }
  .cta-content h2 { font-size: 1.5rem; }
  .cta-content p { font-size: 0.95rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; max-width: 320px; justify-content: center; }

  .testimonial-card { padding: 24px; }
  .testimonial-text { font-size: 0.92rem; }

  .project-image img { height: 220px; }
  .project-overlay { padding: 20px; opacity: 1; }
  .project-overlay h3 { font-size: 0.95rem; }

  .process-step { padding: 28px 20px; }
  .step-icon { font-size: 2rem; }
  .step-number { width: 40px; height: 40px; font-size: 1rem; }

  .footer { padding: 50px 0 0; }
  .footer-col h4 { margin-bottom: 14px; }
  .footer-col ul li { margin-bottom: 6px; }
}

@media (max-width: 480px) {
  .container { padding: 0 12px; }
  .section-header h2 { font-size: 1.4rem; }
  .section { padding: 40px 0; }
  .section-header { margin-bottom: 28px; }

  .about-image img { min-height: 200px; }
  .about-exp-badge { padding: 12px 16px; }
  .about-exp-badge .exp-num { font-size: 1.2rem; }
  .about-exp-badge span:last-child { font-size: 0.75rem; }

  .tab-btn { padding: 8px 18px; font-size: 0.8rem; }
  .service-card { padding: 20px 16px; }
  .service-icon { width: 40px; height: 40px; font-size: 1rem; margin-bottom: 12px; }
  .service-card h3 { font-size: 0.9rem; }

  .testimonial-card { padding: 20px; }
  .testimonial-text { font-size: 0.85rem; }
  .author-avatar i { font-size: 2.2rem; }

  .project-image img { height: 180px; }

  .process-step { padding: 22px 16px; }
  .process-step h3 { font-size: 1rem; }

  .contact-form { padding: 18px; }
  .form-group input, .form-group select, .form-group textarea { padding: 12px 14px; font-size: 0.88rem; }

  .footer { padding: 36px 0 0; }
  .footer-brand p { font-size: 0.82rem; }

  .scroll-top { width: 40px; height: 40px; font-size: 0.9rem; bottom: 20px; right: 20px; }
}

@media (max-width: 360px) {
  .container { padding: 0 10px; }
  .hero-badge { font-size: 0.6rem; padding: 4px 10px; }
  .section-header h2 { font-size: 1.25rem; }
  .section-header { margin-bottom: 24px; }
  .about-exp-badge { position: relative; bottom: auto; right: auto; margin-top: 16px; display: inline-flex; gap: 8px; align-items: center; }
  .about-exp-badge .exp-num { font-size: 1rem; }
  .about-image img { min-height: 180px; }
  .service-card { padding: 16px 14px; }
  .service-icon { width: 36px; height: 36px; font-size: 0.9rem; }
  .service-card h3 { font-size: 0.88rem; }
  .testimonial-card { padding: 16px; }
  .testimonial-text { font-size: 0.82rem; }
  .contact-form { padding: 14px; }
  .form-group input, .form-group select, .form-group textarea { padding: 10px 12px; }
  .footer-grid { gap: 24px; }
  .footer-social a { width: 40px; height: 40px; }
  .btn { padding: 10px 18px; font-size: 0.82rem; min-height: 42px; }
  .btn-lg { padding: 12px 24px; font-size: 0.9rem; min-height: 48px; }
  .hero-buttons .btn { font-size: 0.78rem; padding: 10px 18px; }
  .tab-btn { padding: 6px 14px; font-size: 0.75rem; min-height: 38px; }
}

/* Touch-friendly improvements for all mobile */
@media (hover: none) and (pointer: coarse) {
  .service-card:hover { transform: none; box-shadow: var(--shadow); }
  .project-card:hover .project-image img { transform: none; }
  .gallery-carousel-card:hover { transform: none; }
  .gallery-carousel-card:hover img { transform: none; }
  .gallery-carousel-card .gallery-card-overlay { opacity: 1; }
  .project-overlay { opacity: 1; }
  .academy-feature-card:hover { transform: none; }
  .service-card:active { transform: scale(0.98); }
  .btn:active { transform: scale(0.96); }
  .gallery-carousel-card:active { transform: scale(0.97); }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .hero-bg-slider .slide { animation: none !important; }
}