/**
 * TRIDEKO INTERIOR - Sporty Premium Design System
 * Atap Buka Tutup Sunlouvre - Distributor Resmi
 * Domain: atapbukatutup.co.id
 * Version: 1.0.0
 */

/* ========================================
   CSS VARIABLES - COLOR SYSTEM
   ======================================== */
:root {
  /* Primary Colors */
  --color-electric-blue: #0066FF;
  --color-electric-blue-dark: #0044AA;
  --color-electric-blue-light: #3385FF;
  
  /* Accent Colors */
  --color-orange-bold: #FF6600;
  --color-orange-light: #FF8833;
  --color-orange-dark: #CC5200;
  
  /* Premium Accents */
  --color-gold: #D4AF37;
  --color-gold-light: #E5C76B;
  
  /* Alert/Highlight */
  --color-red: #E63946;
  --color-red-light: #FF6B6B;
  
  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-black: #0A0A0A;
  --color-gray-100: #F8F9FA;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-400: #CED4DA;
  --color-gray-500: #ADB5BD;
  --color-gray-600: #6C757D;
  --color-gray-700: #495057;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-electric-blue) 0%, var(--color-electric-blue-dark) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-orange-bold) 0%, var(--color-orange-dark) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(0, 102, 255, 0.85) 0%, rgba(255, 102, 0, 0.75) 100%);
  --gradient-dark: linear-gradient(180deg, var(--color-gray-900) 0%, var(--color-black) 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', sans-serif;
  
  /* Font Sizes */
  --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;
  --text-7xl: 4.5rem;
  
  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-glow-blue: 0 0 20px rgba(0, 102, 255, 0.4);
  --shadow-glow-orange: 0 0 20px rgba(255, 102, 0, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* Display */
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.block { display: block; }

/* Flexbox */
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Spacing */
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-12 { padding: var(--space-12); }
.p-16 { padding: var(--space-16); }
.p-20 { padding: var(--space-20); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-20 { padding-top: var(--space-20); padding-bottom: var(--space-20); }
.py-24 { padding-top: var(--space-24); padding-bottom: var(--space-24); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

/* Typography */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-white { color: var(--color-white); }

.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }
.font-extrabold { font-weight: var(--font-extrabold); }
.font-black { font-weight: var(--font-black); }

/* Colors */
.text-blue { color: var(--color-electric-blue); }
.text-orange { color: var(--color-orange-bold); }
.text-gold { color: var(--color-gold); }
.text-gray { color: var(--color-gray-600); }

.bg-blue { background-color: var(--color-electric-blue); }
.bg-orange { background-color: var(--color-orange-bold); }
.bg-dark { background-color: var(--color-gray-900); }
.bg-black { background-color: var(--color-black); }
.bg-gray-100 { background-color: var(--color-gray-100); }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-white);
  border-color: var(--color-orange-bold);
}

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

.btn-secondary {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: var(--color-electric-blue);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-blue);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-electric-blue);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: transparent;
  transition: all var(--transition-base);
  padding: var(--space-4) 0;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo img {
  height: 48px;
  width: auto;
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-black);
  color: var(--color-white);
  letter-spacing: -0.02em;
  transition: color var(--transition-base);
}

.header.scrolled .logo-text {
  color: var(--color-electric-blue);
}

/* Navigation */
.nav {
  display: none;
}

@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
  position: relative;
}

.header.scrolled .nav-link {
  color: var(--color-gray-800);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-orange-bold);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--color-orange-bold);
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

.lang-btn {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.header.scrolled .lang-btn {
  color: var(--color-gray-800);
}

.lang-btn.active {
  background: var(--color-orange-bold);
  color: var(--color-white);
}

.lang-btn:hover:not(.active) {
  color: var(--color-orange-bold);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: var(--z-modal);
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header.scrolled .menu-toggle span {
  background-color: var(--color-gray-800);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-dark);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu .nav-link {
  font-size: var(--text-2xl);
  color: var(--color-white);
}

/* ========================================
   HERO SLIDER
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 1s ease;
}

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

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-6);
  z-index: 10;
}

.hero-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-orange-bold);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-size: clamp(var(--text-3xl), 6vw, var(--text-6xl));
  font-weight: var(--font-black);
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  max-width: 900px;
}

.hero-subtitle {
  font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-bottom: var(--space-8);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* Slider Controls */
.slider-controls {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  z-index: 20;
}

.slider-dots {
  display: flex;
  gap: var(--space-2);
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all var(--transition-base);
}

.slider-dot.active {
  background: var(--color-orange-bold);
  width: 32px;
  border-radius: var(--radius-full);
}

.slider-arrow {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-base);
}

.slider-arrow:hover {
  background: var(--color-orange-bold);
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
  padding: var(--space-20) 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-orange-bold);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--font-black);
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
}

/* ========================================
   FEATURES / KEUNGGULAN
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow-orange);
  border-color: var(--color-orange-bold);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  color: var(--color-electric-blue);
}

.feature-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.feature-text {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
}

/* ========================================
   PRODUCT CARDS
   ======================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.product-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
}

.product-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
}

.product-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
}

.product-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-1);
}

.product-category {
  font-size: var(--text-sm);
  color: var(--color-orange-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========================================
   COLOR OPTIONS
   ======================================== */
.colors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .colors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .colors-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.color-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
}

.color-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.color-swatch {
  aspect-ratio: 1;
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
}

.color-info {
  background: rgba(0, 0, 0, 0.8);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
}

.color-code {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-white);
}

.color-name {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

/* Color Variants */
.color-ca1 { background: linear-gradient(135deg, #C0C0C0 0%, #E8E8E8 100%); }
.color-wf { background: linear-gradient(135deg, #8B4513 0%, #D2691E 100%); }
.color-bs { background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%); }
.color-cmg { background: linear-gradient(135deg, #FFF8DC 0%, #FFFACD 100%); }
.color-cwt { background: linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 100%); }
.color-lbs { background: linear-gradient(135deg, #A0522D 0%, #CD853F 100%); }
.color-c17 { background: linear-gradient(135deg, #654321 0%, #8B7355 100%); }

/* ========================================
   SPECIFICATIONS TABLE
   ======================================== */
.specs-container {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.specs-header {
  background: var(--gradient-primary);
  padding: var(--space-6);
  color: var(--color-white);
}

.specs-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table th,
.specs-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.specs-table th {
  font-weight: var(--font-bold);
  color: var(--color-gray-800);
  background: var(--color-gray-100);
}

.specs-table td {
  color: var(--color-gray-600);
}

.specs-table tr:hover td {
  background: var(--color-gray-50);
}

.spec-highlight {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-orange-bold);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
}

/* ========================================
   CTA BLOCK
   ======================================== */
.cta-block {
  background: var(--gradient-dark);
  padding: var(--space-24) var(--space-6);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 50%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: var(--font-black);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.cta-text {
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--color-black);
  color: var(--color-gray-400);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo img {
  height: 40px;
  width: auto;
}

.footer-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-black);
  color: var(--color-white);
}

.footer-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-orange-bold);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copyright {
  font-size: var(--text-sm);
}

/* ========================================
   FLOATING WHATSAPP BUTTON
   ======================================== */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-fixed);
}

.whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.7); }
}

/* ========================================
   ANIMATIONS
   ======================================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1023px) {
  .section {
    padding: var(--space-16) 0;
  }
  
  .section-title {
    font-size: var(--text-2xl);
  }
}

@media (max-width: 639px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn {
    width: 100%;
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-orange-bold);
  outline-offset: 2px;
}

/* Screen reader only */
.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;
}
