/* ================================================================
   BERKAH DIGITAL WEB — Main Stylesheet
   File: public/assets/css/style.css
   ================================================================ */

/* ================================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ================================================================ */
:root {
  /* Colors */
  --color-primary: #6366F1;
  --color-primary-dark: #4F46E5;
  --color-primary-light: #818CF8;
  --color-secondary: #A855F7;
  --color-accent: #06B6D4;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  /* Dark Background Palette */
  --bg-base: #060614;
  --bg-surface: #0D0D2B;
  --bg-elevated: #13133A;
  --bg-card: #1A1A40;
  --bg-card-hover: #1F1F50;
  --bg-overlay: rgba(6, 6, 20, 0.9);

  /* Text */
  --text-primary: #F0F0FF;
  --text-secondary: #A0A0C8;
  --text-muted: #6060A0;
  --text-inverse: #060614;

  /* Borders */
  --border-subtle: rgba(99, 102, 241, 0.15);
  --border-medium: rgba(99, 102, 241, 0.3);
  --border-strong: rgba(99, 102, 241, 0.5);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366F1, #A855F7);
  --gradient-accent: linear-gradient(135deg, #06B6D4, #6366F1);
  --gradient-warm: linear-gradient(135deg, #F59E0B, #EF4444);

  /* Glow Effects */
  --glow-primary: 0 0 30px rgba(99, 102, 241, 0.4);
  --glow-sm: 0 0 15px rgba(99, 102, 241, 0.25);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 4px 24px rgba(99, 102, 241, 0.08);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index Layers */
  --z-nav: 1000;
  --z-modal: 2000;
  --z-float: 900;
  --z-loader: 3000;

  /* Navbar Height */
  --navbar-height: 70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility: Skip to main content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: 1.2; }

/* ================================================================
   3. UTILITY CLASSES
   ================================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

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

.text-gradient-light {
  background: linear-gradient(135deg, #fff, #CBD5E1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ================================================================
   4. BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-fast);
  background: rgba(255,255,255,0.1);
}

.btn:hover::before { opacity: 1; }

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}
.btn-primary:active { transform: translateY(0); }

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-medium);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
  transform: translateY(-2px);
}

/* Outline Light (for dark backgrounds) */
.btn-outline-light {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

/* White Button (on colored bg) */
.btn-white {
  background: #fff;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* WhatsApp Button */
.btn-wa {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
}
.btn-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

/* Card Button */
.btn-card {
  background: transparent;
  color: var(--color-primary-light);
  border-color: var(--border-subtle);
  padding: 0.6rem 1.25rem;
  font-size: var(--text-sm);
}
.btn-card:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-1px);
}

/* Small WA Button */
.btn-wa-sm {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-base);
}
.btn-wa-sm:hover { transform: translateY(-1px); opacity: 0.9; }

/* Sizes */
.btn-sm { padding: 0.5rem 1.25rem; font-size: var(--text-sm); }
.btn-lg { padding: 1rem 2.25rem; font-size: var(--text-lg); }
.btn-full { width: 100%; justify-content: center; }

/* ================================================================
   5. NAVBAR
   ================================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: var(--z-nav);
  background: rgba(6, 6, 20, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(6, 6, 20, 0.95);
  border-bottom-color: var(--border-medium);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  gap: var(--space-xl);
}

/* Brand Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-sm);
  flex-shrink: 0;
}

.brand-logo-sm {
  width: 32px;
  height: 32px;
}

.brand-logo-icon {
  font-size: 1.2rem;
  color: white;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-tagline {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Nav Menu */
.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.9rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--border-subtle);
}

.nav-link.active::after { width: 60%; }

/* Hamburger */
.navbar-toggler {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* Hamburger open state */
.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar-toggler[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ================================================================
   6. HERO SECTION
   ================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--navbar-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  top: -200px;
  right: -200px;
  animation: float 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--color-secondary);
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
  width: 200px;
  height: 200px;
  background: var(--color-accent);
  top: 40%;
  left: 40%;
  animation: float 6s ease-in-out infinite 2s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-lg);
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 1.1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-primary-light);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(8px);
  font-weight: 500;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(var(--text-4xl), 7vw, var(--text-6xl));
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero-title-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-subtitle {
  font-size: clamp(var(--text-base), 2.5vw, var(--text-xl));
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-size: var(--text-3xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-display);
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.scroll-dot {
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: scrollBounce 1.5s ease-in-out infinite;
}

/* ================================================================
   7. SECTION HEADERS
   ================================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-label {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.section-cta {
  text-align: center;
  margin-top: var(--space-3xl);
}

/* ================================================================
   8. SERVICE CARDS (Home Preview)
   ================================================================ */
.services-preview { background: var(--bg-surface); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-color, var(--gradient-primary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-subtle);
}

.service-card:hover::before { opacity: 1; }

/* Badge */
.service-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: 0.25rem 0.75rem;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Icon */
.service-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.service-icon {
  font-size: 1.75rem;
  display: block;
}

/* Card Content */
.service-content { flex: 1; }

.service-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.service-tagline {
  font-size: var(--text-sm);
  color: var(--card-color, var(--color-primary));
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.service-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

/* Mini Features List */
.service-features-mini {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.service-features-mini li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.check-icon {
  width: 18px;
  height: 18px;
  background: rgba(16, 185, 129, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--color-success);
  flex-shrink: 0;
}

/* Card Footer */
.service-card-footer {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

/* ================================================================
   9. FEATURES PREVIEW (Home)
   ================================================================ */
.features-preview { position: relative; }

.features-preview-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--feature-color, var(--gradient-primary));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}

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

.feature-card:hover::after { transform: scaleX(1); }

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(var(--feature-color, 99, 102, 241), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.feature-card:hover .feature-icon-wrap {
  background: color-mix(in srgb, var(--feature-color), transparent 85%);
  border-color: color-mix(in srgb, var(--feature-color), transparent 70%);
}

.feature-icon { font-size: 1.5rem; }

.feature-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.feature-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ================================================================
   10. CTA SECTION
   ================================================================ */
.cta-section {
  position: relative;
  overflow: hidden;
  background: var(--bg-surface);
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.cta-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--color-primary);
  opacity: 0.2;
  top: -100px;
  left: -100px;
}

.cta-orb-2 {
  width: 300px;
  height: 300px;
  background: var(--color-secondary);
  opacity: 0.15;
  bottom: -80px;
  right: -80px;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) 0;
}

.cta-badge {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--space-lg);
}

.cta-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.cta-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ================================================================
   11. PAGE HEADER (Interior Pages)
   ================================================================ */
.page-header {
  position: relative;
  padding: calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
  overflow: hidden;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-header-bg .hero-orb-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -100px;
  opacity: 0.15;
}

.page-header-bg .hero-orb-2 {
  width: 300px;
  height: 300px;
  bottom: -50px;
  left: -50px;
  opacity: 0.1;
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 900;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ================================================================
   12. SERVICES DETAIL PAGE
   ================================================================ */
.service-detail-card {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-3xl);
  align-items: center;
  margin-bottom: var(--space-4xl);
}

.service-detail-card.service-detail-reverse {
  grid-template-columns: 1.6fr 1fr;
}

.service-detail-card.service-detail-reverse .service-detail-visual {
  order: 2;
}
.service-detail-card.service-detail-reverse .service-detail-content {
  order: 1;
}

/* Visual Side */
.service-detail-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.service-detail-icon-wrap {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}

.service-detail-icon { font-size: 5rem; display: block; }

.service-detail-stats {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  z-index: 1;
  flex-wrap: wrap;
}

.detail-stat {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  min-width: 90px;
}

.detail-stat-number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.detail-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
}

/* Decorative circles */
.detail-deco {
  position: absolute;
  border-radius: 50%;
}
.deco-1 {
  width: 250px;
  height: 250px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.deco-2 {
  width: 350px;
  height: 350px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Content Side */
.service-detail-title {
  font-size: clamp(var(--text-3xl), 3.5vw, var(--text-4xl));
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.service-detail-tagline {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.service-detail-desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

/* Full Feature List */
.service-features-full { margin-bottom: var(--space-xl); }

.features-list-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  list-style: none;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.feature-check {
  font-size: var(--text-sm);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
  width: 18px;
  height: 18px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
}

.service-detail-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.service-divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin-bottom: var(--space-4xl);
}

/* Why Us Section */
.why-us-section { background: var(--bg-surface); }

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
}

.why-us-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.why-us-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-medium);
}

.why-us-icon { font-size: 2.5rem; margin-bottom: var(--space-md); display: block; }
.why-us-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.why-us-card p { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.7; }

/* ================================================================
   13. FEATURES DETAIL PAGE
   ================================================================ */
.features-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.feature-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-detail-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

.feature-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.feature-detail-icon { font-size: 2.5rem; display: block; }

.feature-detail-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--border-subtle);
  line-height: 1;
  font-family: var(--font-display);
}

.feature-detail-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.feature-detail-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.feature-detail-bar {
  height: 3px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.feature-detail-bar-fill {
  height: 100%;
  width: 0;
  border-radius: var(--radius-full);
  transition: width 1s ease 0.3s;
}

.feature-detail-card:hover .feature-detail-bar-fill { width: 100%; }

/* Process Section */
.process-section { background: var(--bg-surface); }

.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  position: relative;
}

.process-item {
  position: relative;
  text-align: center;
}

.process-step {
  font-size: var(--text-4xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
}

.process-icon { font-size: 2rem; margin-bottom: var(--space-sm); }

.process-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.process-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.process-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.process-connector {
  display: none; /* Hidden for grid layout */
}

/* Tech Section */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.tech-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.tech-item:hover {
  border-color: var(--tech-color, var(--color-primary));
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.tech-icon { font-size: 1.5rem; }
.tech-name { font-size: var(--text-sm); font-weight: 600; color: var(--text-secondary); }

/* ================================================================
   14. ABOUT PAGE
   ================================================================ */
.about-section { background: var(--bg-surface); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: center;
}

/* Visual */
.about-visual { display: flex; flex-direction: column; gap: var(--space-xl); }

.about-img-frame {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  overflow: hidden;
}

.about-img-content { position: relative; z-index: 1; }

.about-brand-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.about-brand-icon {
  font-size: 3rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-brand-name {
  font-size: var(--text-3xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-display);
}

.about-brand-sub {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about-mission-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
  max-width: 350px;
  margin: 0 auto;
}

.about-img-deco {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}

.deco-a {
  width: 200px;
  height: 200px;
  background: var(--color-primary);
  opacity: 0.1;
  top: -50px;
  right: -50px;
}

.deco-b {
  width: 150px;
  height: 150px;
  background: var(--color-secondary);
  opacity: 0.08;
  bottom: -30px;
  left: -30px;
}

/* About Stats */
.about-stats-row {
  display: flex;
  gap: var(--space-md);
}

.about-stat {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
}

.about-stat-num {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.about-stat-lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
}

/* Content */
.about-title {
  font-size: clamp(var(--text-3xl), 3.5vw, var(--text-4xl));
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.about-desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.about-value {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.about-value:hover {
  border-color: var(--border-medium);
  transform: translateX(4px);
}

.about-value-icon { font-size: 1.5rem; flex-shrink: 0; }
.about-value strong { display: block; font-size: var(--text-sm); font-weight: 700; color: var(--text-primary); }
.about-value span { font-size: var(--text-xs); color: var(--text-muted); }

/* Visi Misi Section */
.visi-misi-section { background: var(--bg-base); }

.visi-misi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.visi-card, .misi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.visi-card:hover, .misi-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-medium);
}

.vm-icon { font-size: 2.5rem; margin-bottom: var(--space-md); display: block; }

.vm-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.vm-desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.8;
}

.vm-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
}

.vm-list li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  line-height: 1.6;
}

.vm-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* ================================================================
   15. CONTACT PAGE
   ================================================================ */
.contact-section { background: var(--bg-surface); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

/* Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
}

.contact-form-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.contact-form-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

/* Form Groups */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.required-mark { color: var(--color-danger); }

.input-wrap {
  position: relative;
}

.input-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-base);
  z-index: 1;
  pointer-events: none;
}

.input-icon-textarea {
  top: var(--space-md);
  transform: none;
}

.form-input {
  width: 100%;
  padding: 0.75rem var(--space-md) 0.75rem 2.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  font-family: var(--font-body);
  transition: all var(--transition-base);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:focus {
  border-color: var(--color-primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input.is-invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-input.is-valid {
  border-color: var(--color-success);
}

.form-select { cursor: pointer; }

.form-textarea {
  padding-top: 0.75rem;
  resize: vertical;
  min-height: 130px;
}

.input-wrap-select::after {
  content: '▾';
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.form-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-xs);
  min-height: 1rem;
}

.char-counter {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: right;
  margin-top: var(--space-xs);
}

/* Submit Button States */
.btn-submit { position: relative; }
.btn-loading { display: none; }
.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loading { display: flex; align-items: center; gap: var(--space-sm); }

.spinner-sm {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

/* Form Feedback */
.form-feedback {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
}

.form-feedback.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-success);
}

.form-feedback.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-danger);
}

/* Contact Info */
.contact-info-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  position: sticky;
  top: calc(var(--navbar-height) + var(--space-xl));
}

.contact-info-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
}

.contact-info-card:hover:not(.contact-info-card-static) {
  border-color: var(--border-medium);
  transform: translateX(4px);
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.wa-icon { background: rgba(37, 211, 102, 0.15); color: #25D366; }
.email-icon { background: rgba(99, 102, 241, 0.15); }
.location-icon { background: rgba(239, 68, 68, 0.15); }

.contact-info-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-info-text strong {
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: 700;
}

.contact-info-text span {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.contact-info-arrow {
  color: var(--text-muted);
  font-size: var(--text-lg);
  transition: transform var(--transition-base);
}

.contact-info-card:hover .contact-info-arrow {
  transform: translateX(4px);
}

/* Working Hours */
.working-hours {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.working-hours-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.working-hours-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.working-hours-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.working-hours-item:last-child { border-bottom: none; }
.working-hours-item span:first-child { color: var(--text-secondary); }

.working-hours-time {
  font-weight: 600;
  color: var(--color-success);
}

.working-hours-closed { color: var(--color-danger) !important; }

/* Response Time */
.response-time {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: var(--space-md);
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
}

.response-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

/* ================================================================
   16. FOOTER
   ================================================================ */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

/* Footer Brand */
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-base);
  text-decoration: none;
}

.social-link:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

/* Footer Columns */
.footer-heading {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.footer-link:hover { color: var(--color-primary-light); }

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.footer-divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin-bottom: var(--space-xl);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-copyright, .footer-credit {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ================================================================
   17. FLOATING WHATSAPP BUTTON
   ================================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: var(--z-float);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.25rem 0.75rem 0.875rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5), 0 0 0 0 rgba(37, 211, 102, 0.4);
  animation: waRing 3s ease-in-out infinite 5s;
  transition: all var(--transition-base);
  font-weight: 600;
  font-size: var(--text-sm);
}

.whatsapp-float:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ================================================================
   18. PAGE LOADER
   ================================================================ */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: var(--z-loader);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.page-loader.active {
  opacity: 1;
  pointer-events: all;
}

.loader-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(99, 102, 241, 0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ================================================================
   19. AOS-LIKE ANIMATIONS (Custom)
   ================================================================ */
[data-aos] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"] { transform: translateY(30px); }
[data-aos="fade-down"] { transform: translateY(-30px); }
[data-aos="fade-left"] { transform: translateX(-30px); }
[data-aos="fade-right"] { transform: translateX(30px); }
[data-aos="zoom-in"] { transform: scale(0.9); }

[data-aos].aos-animate {
  opacity: 1;
  transform: none;
}

/* ================================================================
   20. KEYFRAME ANIMATIONS
   ================================================================ */
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

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

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.3; }
}

@keyframes waRing {
  0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5), 0 0 0 0 rgba(37, 211, 102, 0.4); }
  70% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5), 0 0 0 20px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5), 0 0 0 0 rgba(37, 211, 102, 0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Content transition for SPA */
#app-content {
  animation: fadeInUp 0.4s ease;
}

/* ================================================================
   21. RESPONSIVE DESIGN
   ================================================================ */

/* --- Large Tablets (max 1024px) --- */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .footer-brand-col { grid-column: 1 / -1; }

  .service-detail-card,
  .service-detail-card.service-detail-reverse {
    grid-template-columns: 1fr;
  }

  .service-detail-card.service-detail-reverse .service-detail-visual,
  .service-detail-card.service-detail-reverse .service-detail-content {
    order: unset;
  }

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

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

  .visi-misi-grid { grid-template-columns: 1fr; }
}

/* --- Tablets (max 768px) --- */
@media (max-width: 768px) {
  :root {
    --navbar-height: 64px;
    --space-4xl: 4rem;
  }

  /* Navbar Mobile */
  .navbar-menu {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(6, 6, 20, 0.97);
    backdrop-filter: blur(20px);
    gap: var(--space-sm);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: calc(var(--z-nav) - 1);
  }

  .navbar-menu.open {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
  }

  .nav-link {
    font-size: var(--text-xl);
    padding: var(--space-md) var(--space-xl);
  }

  .navbar-actions { display: none; }
  .navbar-toggler { display: flex; }

  /* Hero */
  .hero-stats {
    gap: var(--space-lg);
  }

  .stat-divider { height: 30px; }

  /* Services Grid */
  .services-grid { grid-template-columns: 1fr; }

  /* Features Grid */
  .features-grid { grid-template-columns: 1fr 1fr; }

  /* Process */
  .process-timeline { grid-template-columns: 1fr 1fr; }

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

  .contact-info-wrap { position: static; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* WA Float */
  .whatsapp-float-label { display: none; }
  .whatsapp-float {
    padding: 0.875rem;
    border-radius: 50%;
  }

  /* Hero */
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-lg { padding: 0.875rem 1.75rem; font-size: var(--text-base); }

  /* CTA Actions */
  .cta-actions { flex-direction: column; align-items: center; }

  /* Service Detail */
  .service-detail-icon-wrap { width: 120px; height: 120px; }
  .service-detail-icon { font-size: 3.5rem; }
}

/* --- Mobile (max 480px) --- */
@media (max-width: 480px) {
  .container { padding: 0 var(--space-md); }

  .features-grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; }
  .why-us-grid { grid-template-columns: 1fr; }
  .features-detail-grid { grid-template-columns: 1fr; }

  .hero-stats { flex-direction: column; gap: var(--space-md); }
  .stat-divider { width: 40px; height: 1px; }

  .about-stats-row { flex-direction: column; }

  .service-detail-stats { flex-direction: row; flex-wrap: wrap; }

  .whatsapp-float { bottom: var(--space-md); right: var(--space-md); }

  .footer-bottom { gap: var(--space-xs); }
}