/* ============================================
   FIBER OPTIC SOLUTION — Design System
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary Palette */
  --primary-900: #061225;
  --primary-800: #0a1a35;
  --primary-700: #0d2346;
  --primary-600: #0d47a1;
  --primary-500: #1565c0;
  --primary-400: #1e88e5;
  --primary-300: #42a5f5;
  --primary-200: #90caf9;
  --primary-100: #bbdefb;

  /* Accent */
  --accent-500: #00bcd4;
  --accent-400: #26c6da;
  --accent-300: #4dd0e1;
  --accent-glow: rgba(0, 188, 212, 0.35);

  /* Orange Accent */
  --orange-500: #ff6d00;
  --orange-400: #ff8f00;
  --orange-glow: rgba(255, 109, 0, 0.3);

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Functional */
  --success: #10b981;
  --warning: #f59e0b;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 40%, #0b3d73 100%);
  --gradient-card: linear-gradient(145deg, rgba(13, 71, 161, 0.12) 0%, rgba(0, 188, 212, 0.08) 100%);
  --gradient-accent: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
  --gradient-cta: linear-gradient(135deg, var(--orange-500) 0%, var(--orange-400) 100%);
  --gradient-dark: linear-gradient(180deg, var(--primary-900) 0%, #040d1a 100%);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.3);
  --shadow-glow-blue: 0 0 30px rgba(21, 101, 192, 0.3);
  --shadow-glow-cyan: 0 0 30px var(--accent-glow);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-pad: 100px;
  --container-max: 1200px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.7s var(--ease-out);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--gray-200);
  background: var(--primary-900);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p {
  color: var(--gray-300);
  line-height: 1.8;
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad {
  padding: var(--section-pad) 0;
}

.text-center { text-align: center; }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent-500);
  margin-bottom: 14px;
}

.section-header .section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--accent-500);
  border-radius: 2px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header h2 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.btn:hover::after {
  transform: translateX(0);
}

.btn-primary {
  background: var(--gradient-cta);
  color: var(--white);
  box-shadow: 0 4px 20px var(--orange-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--orange-glow);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--accent-500);
  color: var(--accent-400);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(4px);
}

/* ---------- Top Bar ---------- */
.top-bar {
  background: rgba(4, 13, 26, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 8px 0;
  font-size: 0.82rem;
  z-index: 1001;
  position: relative;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-bar-left a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--gray-400);
}

.top-bar-left a svg {
  width: 14px;
  height: 14px;
  color: var(--accent-500);
}

.top-bar-left a:hover {
  color: var(--accent-400);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.top-bar-right a {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--gray-400);
  transition: all var(--transition-fast);
}

.top-bar-right a:hover {
  background: var(--accent-500);
  color: var(--white);
  transform: translateY(-1px);
}

.top-bar-right a svg {
  width: 13px;
  height: 13px;
}

/* ---------- Main Navigation ---------- */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-base);
  padding: 0;
}

.main-nav.scrolled {
  background: rgba(6, 18, 37, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.main-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  z-index: 1001;
}

.nav-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--white);
  box-shadow: var(--shadow-glow-cyan);
}

.nav-logo img,
.footer-logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
  border-radius: 50%;
}

.nav-logo .logo-text-highlight {
  color: var(--accent-400);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-300);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: var(--accent-500);
  border-radius: 2px;
}

.nav-cta {
  margin-left: 10px;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

.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);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 18, 37, 0.88) 0%,
    rgba(10, 26, 53, 0.75) 50%,
    rgba(13, 35, 70, 0.65) 100%
  );
  z-index: 2;
}

/* Animated particles */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--accent-500);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s infinite;
}

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

.hero-content {
  position: relative;
  z-index: 4;
  max-width: 720px;
  padding-top: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 188, 212, 0.12);
  border: 1px solid rgba(0, 188, 212, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-400);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero h1 {
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero h1 .gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--gray-300);
  margin-bottom: 36px;
  max-width: 560px;
  line-height: 1.9;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stat {
  text-align: left;
}

.hero-stat .stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat .stat-number .accent {
  color: var(--accent-400);
}

.hero-stat .stat-label {
  font-size: 0.82rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hero decorative glow */
.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 2;
  pointer-events: none;
}

.hero-glow-1 {
  top: -200px;
  right: -200px;
  background: rgba(21, 101, 192, 0.2);
}

.hero-glow-2 {
  bottom: -200px;
  left: -100px;
  background: rgba(0, 188, 212, 0.12);
}

/* ---------- About Section ---------- */
.about {
  background: var(--primary-900);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-500), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-slow);
}

.about-image:hover img {
  transform: scale(1.03);
}

.about-image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(6, 18, 37, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 188, 212, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.about-image-badge .badge-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-badge .badge-icon svg {
  width: 24px;
  height: 24px;
  color: var(--white);
}

.about-image-badge .badge-text strong {
  display: block;
  font-size: 1.5rem;
  color: var(--white);
  line-height: 1;
}

.about-image-badge .badge-text span {
  font-size: 0.8rem;
  color: var(--gray-400);
}

.about-content .section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent-500);
  margin-bottom: 14px;
}

.about-content .section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--accent-500);
  border-radius: 2px;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content h2 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-content > p {
  margin-bottom: 28px;
  font-size: 1.02rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.about-feature:hover {
  background: rgba(0, 188, 212, 0.06);
  border-color: rgba(0, 188, 212, 0.15);
}

.about-feature .feature-check {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  background: rgba(0, 188, 212, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-feature .feature-check svg {
  width: 13px;
  height: 13px;
  color: var(--accent-400);
}

.about-feature span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-200);
}

/* ---------- Services Section ---------- */
.services {
  background: linear-gradient(180deg, var(--primary-800) 0%, var(--primary-900) 100%);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-500), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 188, 212, 0.2);
  box-shadow: var(--shadow-glow-cyan);
  background: rgba(255, 255, 255, 0.05);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

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

.service-card-image .service-icon-overlay {
  position: absolute;
  bottom: -24px;
  right: 20px;
  width: 52px;
  height: 52px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.service-card-image .service-icon-overlay svg {
  width: 24px;
  height: 24px;
  color: var(--white);
}

.service-card-body {
  padding: 36px 24px 28px;
}

.service-card-body h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.service-card-body p {
  font-size: 0.9rem;
  color: var(--gray-400);
  margin-bottom: 18px;
  line-height: 1.7;
}

.service-card-body .service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-400);
  transition: all var(--transition-fast);
}

.service-card-body .service-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.service-card-body .service-link:hover {
  color: var(--accent-300);
}

.service-card-body .service-link:hover svg {
  transform: translateX(4px);
}

/* ---------- Stats Section ---------- */
.stats {
  position: relative;
  background: var(--primary-900);
  overflow: hidden;
}

.stats-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.stats-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stats-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 18, 37, 0.9);
  z-index: 2;
}

.stats .container {
  position: relative;
  z-index: 3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.stat-card {
  text-align: center;
  padding: 40px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.stat-card:hover {
  background: rgba(0, 188, 212, 0.08);
  border-color: rgba(0, 188, 212, 0.2);
  transform: translateY(-4px);
}

.stat-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  background: rgba(0, 188, 212, 0.1);
  border: 1px solid rgba(0, 188, 212, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-400);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-number .accent {
  color: var(--accent-400);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Why Choose Us ---------- */
.why-choose {
  background: linear-gradient(180deg, var(--primary-900) 0%, var(--primary-800) 100%);
  position: relative;
}

.why-choose::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-500), transparent);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  padding: 36px 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.why-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--gradient-accent);
  transition: height var(--transition-base);
  border-radius: 0 0 4px 4px;
}

.why-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 188, 212, 0.15);
  transform: translateY(-4px);
}

.why-card:hover::after {
  height: 100%;
}

.why-card-icon {
  width: 56px;
  height: 56px;
  background: rgba(0, 188, 212, 0.1);
  border: 1px solid rgba(0, 188, 212, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all var(--transition-base);
}

.why-card:hover .why-card-icon {
  background: var(--gradient-accent);
  border-color: transparent;
  box-shadow: var(--shadow-glow-cyan);
}

.why-card-icon svg {
  width: 26px;
  height: 26px;
  color: var(--accent-400);
  transition: color var(--transition-fast);
}

.why-card:hover .why-card-icon svg {
  color: var(--white);
}

.why-card h3 {
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.92rem;
  color: var(--gray-400);
}

/* ---------- Clients Section ---------- */
.clients {
  background: var(--primary-900);
  position: relative;
}

.clients::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-500), transparent);
}

.client-slider-wrapper {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding: 10px 0;
}

.client-slider-wrapper::before,
.client-slider-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  width: 150px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.client-slider-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--primary-900), transparent);
}

.client-slider-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--primary-900), transparent);
}

.client-slider-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: scroll-marquee 30s linear infinite;
}

.client-slider-track:hover {
  animation-play-state: paused;
}

@keyframes scroll-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 12px)); }
}

.client-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 300px;
  height: 160px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.client-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
}

.client-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all var(--transition-base);
}

.client-card:hover img {
  transform: scale(1.05);
}

.client-name-fallback {
  display: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--white);
  text-align: center;
  letter-spacing: 0.5px;
}


/* ---------- Contact Section ---------- */
.contact {
  background: linear-gradient(180deg, var(--primary-800) 0%, var(--primary-900) 100%);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-500), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  max-width: 700px;
  margin: 0 auto;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.contact-info-card:hover {
  background: rgba(0, 188, 212, 0.06);
  border-color: rgba(0, 188, 212, 0.15);
}

.contact-info-card .info-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: rgba(0, 188, 212, 0.1);
  border: 1px solid rgba(0, 188, 212, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-card .info-icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent-400);
}

.contact-info-card .info-text h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--white);
}

.contact-info-card .info-text p {
  font-size: 0.88rem;
  color: var(--gray-400);
}

.contact-info-card .info-text a {
  color: var(--accent-400);
}

.contact-info-card .info-text a:hover {
  color: var(--accent-300);
}

.contact-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  height: 250px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: brightness(0.75) contrast(1.1) saturate(0.6);
  transition: filter var(--transition-base);
}

.contact-map:hover iframe {
  filter: brightness(0.9) contrast(1) saturate(0.8);
}

.contact-form-wrapper {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form-wrapper h3 {
  margin-bottom: 8px;
}

.contact-form-wrapper > p {
  color: var(--gray-400);
  margin-bottom: 28px;
  font-size: 0.92rem;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray-300);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-500);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-500);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(0, 188, 212, 0.04);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-submit {
  margin-top: 8px;
}

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

/* ---------- CTA Banner ---------- */
.cta-banner {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.cta-banner-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-accent);
  z-index: 1;
}

.cta-banner-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-banner .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-banner h2 {
  margin-bottom: 14px;
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin: 0 auto 30px;
  font-size: 1.05rem;
}

.cta-banner .btn {
  background: var(--white);
  color: var(--primary-600);
  font-weight: 700;
}

.cta-banner .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--gradient-dark);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-about .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-about .footer-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.footer-about .footer-logo .logo-text-highlight {
  color: var(--accent-400);
}

.footer-about > p {
  font-size: 0.9rem;
  color: var(--gray-400);
  margin-bottom: 20px;
  line-height: 1.8;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--gray-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent-500);
  border-color: var(--accent-500);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-social a svg {
  width: 16px;
  height: 16px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 22px;
  color: var(--white);
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent-500);
  border-radius: 2px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.footer-col ul li a::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--accent-500);
  border-radius: 50%;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--accent-400);
  transform: translateX(4px);
}

.footer-col ul li a:hover::before {
  opacity: 1;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-400);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item p {
  font-size: 0.88rem;
  color: var(--gray-400);
}

.footer-contact-item a {
  color: var(--accent-400);
}

.footer-contact-item a:hover {
  color: var(--accent-300);
}

.footer-bottom {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--gray-500);
}

.footer-bottom a {
  color: var(--accent-400);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--gray-500);
}

.footer-bottom-links a:hover {
  color: var(--accent-400);
}

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-fast);
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  color: var(--white);
}

@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, 0.6); }
}

/* ---------- Scroll Animations ---------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s var(--ease-out);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 96px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: rgba(6, 18, 37, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 998;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-500);
  border-color: var(--accent-500);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  color: var(--white);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root {
    --section-pad: 70px;
  }

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

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

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

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

@media (max-width: 768px) {
  :root {
    --section-pad: 60px;
  }

  .top-bar {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(6, 18, 37, 0.98);
    backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    gap: 10px;
    z-index: 1000;
  }

  .nav-links.mobile-open a {
    font-size: 1.2rem;
    padding: 14px 24px;
  }

  .nav-cta.mobile-open {
    display: block;
    position: fixed;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
  }

  .hero-content {
    padding-top: 100px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    text-align: center;
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

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

  .gallery-item.tall {
    grid-row: span 1;
    height: 280px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .section-header {
    margin-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }

  .hero-desc {
    font-size: 0.95rem;
  }

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

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

  .contact-form-wrapper {
    padding: 24px;
  }

  .hero-stats {
    flex-wrap: wrap;
  }

  .hero-stat {
    flex: 1 1 45%;
  }
}

/* ---------- Loading / Page Transitions ---------- */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--primary-900);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(0, 188, 212, 0.15);
  border-top-color: var(--accent-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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