/* ========================================
   PRES CAM BALKON — Design System
   Premium Glass Balcony Company Website
   ======================================== */

/* === Google Fonts Import === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* === CSS Custom Properties (Design Tokens) === */
:root {
  /* Primary Palette – Deep Blue to Teal */
  --primary-50: #e6f7fa;
  --primary-100: #b3e8f2;
  --primary-200: #80d9ea;
  --primary-300: #4dcae1;
  --primary-400: #26bdd9;
  --primary-500: #0ea5c7;
  --primary-600: #0b8da9;
  --primary-700: #087588;
  --primary-800: #065d6b;
  --primary-900: #03444e;

  /* Accent – Warm Gold */
  --accent-50: #fff9e6;
  --accent-100: #ffecb3;
  --accent-200: #ffe080;
  --accent-300: #ffd34d;
  --accent-400: #ffc926;
  --accent-500: #f5a623;
  --accent-600: #d4901c;
  --accent-700: #b37a16;
  --accent-800: #8c6012;
  --accent-900: #66460d;

  /* Neutrals */
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;
  --neutral-950: #080e1b;

  /* Surface Colors */
  --surface-dark: #0a0f1c;
  --surface-card: rgba(15, 23, 42, 0.8);
  --surface-card-hover: rgba(20, 30, 55, 0.9);
  --surface-glass: rgba(255, 255, 255, 0.05);
  --surface-glass-strong: rgba(255, 255, 255, 0.1);
  --surface-white: #ffffff;
  --surface-light: #f8fafc;
  --surface-light-alt: #f0f4f8;

  /* Text Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #1e293b;
  --text-dark-secondary: #475569;
  --text-white: #ffffff;
  --text-accent: #ffc926;

  /* Gradient Presets */
  --gradient-hero: linear-gradient(135deg, #0a0f1c 0%, #0d2137 40%, #0b3d5c 100%);
  --gradient-primary: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  --gradient-accent: linear-gradient(135deg, var(--accent-400), var(--accent-600));
  --gradient-dark: linear-gradient(180deg, var(--surface-dark), var(--neutral-900));
  --gradient-card: linear-gradient(145deg, rgba(14, 165, 199, 0.08), rgba(245, 166, 35, 0.05));
  --gradient-shimmer: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
  --gradient-light-section: linear-gradient(180deg, #f8fafc 0%, #e8f0f8 100%);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(14, 165, 199, 0.15);
  --shadow-glow-accent: 0 0 30px rgba(245, 166, 35, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.12);

  /* Border */
  --border-glass: 1px solid rgba(255, 255, 255, 0.08);
  --border-glass-hover: 1px solid rgba(255, 255, 255, 0.15);
  --border-accent: 1px solid rgba(14, 165, 199, 0.3);
  --border-light: 1px solid rgba(0, 0, 0, 0.06);

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

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width: 1280px;
  --nav-height: 80px;
}

/* === 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);
  background: var(--surface-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
}

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

.section-padding {
  padding: var(--space-5xl) 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-300), var(--accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-gold {
  background: linear-gradient(135deg, var(--accent-300), var(--accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--surface-glass);
  border: var(--border-glass);
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-300);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.section-badge-light {
  background: rgba(14, 165, 199, 0.08);
  border: 1px solid rgba(14, 165, 199, 0.15);
  color: var(--primary-600);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-title-dark {
  color: var(--neutral-900);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-subtitle-dark {
  color: var(--text-dark-secondary);
}

/* === Reveal Animation === */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 15, 28, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: var(--border-glass);
  box-shadow: var(--shadow-lg);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-white);
}

.nav-logo .logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: var(--shadow-glow);
}

.nav-logo .logo-text-pres {
  color: var(--primary-300);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: var(--space-sm) 0;
  transition: color var(--transition-base);
}

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

.nav-links a:hover {
  color: var(--text-white);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--gradient-primary);
  color: var(--text-white) !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-full);
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-base), box-shadow var(--transition-base) !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(14, 165, 199, 0.3);
}

.nav-cta::after {
  display: none !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: var(--space-sm);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: var(--transition-base);
}

.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;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) saturate(1.2);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 15, 28, 0.9) 0%,
    rgba(10, 15, 28, 0.6) 40%,
    rgba(10, 15, 28, 0.4) 70%,
    rgba(10, 15, 28, 0.7) 100%
  );
}

/* Floating glass shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
}

.hero-shape-1 {
  width: 400px;
  height: 400px;
  background: var(--primary-500);
  top: 10%;
  right: -5%;
  animation-delay: 0s;
}

.hero-shape-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-500);
  bottom: 15%;
  left: -5%;
  animation-delay: 3s;
}

.hero-shape-3 {
  width: 200px;
  height: 200px;
  background: var(--primary-300);
  top: 50%;
  left: 40%;
  animation-delay: 5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-top: var(--nav-height);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--surface-glass-strong);
  backdrop-filter: blur(20px);
  border: var(--border-glass);
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-400);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s backwards;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-400);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

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

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s backwards;
}

.hero-title .highlight {
  position: relative;
  display: inline;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--accent-400);
  opacity: 0.3;
  border-radius: 4px;
  z-index: -1;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  max-width: 550px;
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s backwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.8s backwards;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(14, 165, 199, 0.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shimmer);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-secondary {
  background: var(--surface-glass-strong);
  color: var(--text-white);
  border: var(--border-glass-hover);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--neutral-900);
  font-weight: 700;
  box-shadow: var(--shadow-glow-accent);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(245, 166, 35, 0.35);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-500);
}

.btn-outline-dark:hover {
  background: var(--primary-500);
  color: white;
  transform: translateY(-3px);
}

.btn-whatsapp {
  background: #25d366;
  color: var(--text-white);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(37, 211, 102, 0.4);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 1s backwards;
}

.hero-stat {
  position: relative;
  padding-left: var(--space-lg);
}

.hero-stat::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
}

.hero-stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.2;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================
   SERVICES SECTION
   ============================================= */
.services {
  background: var(--gradient-dark);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 199, 0.3), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background: var(--surface-card);
  border: var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--transition-slow);
  z-index: 0;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(14, 165, 199, 0.25);
  box-shadow: var(--shadow-glow);
}

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

.service-card-image {
  position: relative;
  height: 220px;
  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::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(transparent, rgba(10, 15, 28, 0.9));
}

.service-card-body {
  position: relative;
  z-index: 1;
  padding: var(--space-xl);
}

.service-card-icon {
  width: 48px;
  height: 48px;
  background: var(--surface-glass-strong);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

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

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-white);
}

.service-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* =============================================
   ABOUT SECTION (Light)
   ============================================= */
.about {
  background: var(--gradient-light-section);
  position: relative;
}

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

.about-image-wrapper {
  position: relative;
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.about-floating-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  z-index: 2;
}

.about-floating-card .afc-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
}

.about-floating-card .afc-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--neutral-900);
  line-height: 1;
}

.about-floating-card .afc-label {
  font-size: 0.8rem;
  color: var(--text-dark-secondary);
  font-weight: 500;
}

.about-content {
  padding: var(--space-lg) 0;
}

.about-content .section-badge {
  color: var(--primary-600);
  background: rgba(14, 165, 199, 0.08);
  border-color: rgba(14, 165, 199, 0.15);
}

.about-content .section-title {
  color: var(--neutral-900);
  text-align: left;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-dark-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.about-feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(14, 165, 199, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.about-feature-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--neutral-800);
}

/* =============================================
   PROCESS / HOW WE WORK
   ============================================= */
.process {
  background: var(--surface-dark);
  position: relative;
  overflow: hidden;
}

.process::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 199, 0.06) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

/* Connecting line */
.process-steps::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 12.5%;
  width: 75%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
  opacity: 0.3;
}

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

.process-step-number {
  width: 64px;
  height: 64px;
  background: var(--surface-glass);
  border: 2px solid rgba(14, 165, 199, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-400);
  margin: 0 auto var(--space-xl);
  position: relative;
  z-index: 2;
  transition: all var(--transition-base);
}

.process-step:hover .process-step-number {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
  transform: scale(1.1);
}

.process-step-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.process-step-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: var(--space-sm);
}

.process-step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* =============================================
   GALLERY SECTION
   ============================================= */
.gallery {
  background: var(--gradient-light-section);
  position: relative;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 260px);
  gap: var(--space-md);
}

.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(10, 15, 28, 0.8));
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-xl);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay-text {
  color: white;
  font-weight: 600;
  font-size: 1rem;
}

/* =============================================
   STATS SECTION
   ============================================= */
.stats {
  background: var(--surface-dark);
  position: relative;
  padding: var(--space-4xl) 0;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14, 165, 199, 0.05), rgba(245, 166, 35, 0.03));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: var(--space-xl);
  background: var(--surface-glass);
  border: var(--border-glass);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 165, 199, 0.2);
  box-shadow: var(--shadow-glow);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* =============================================
   ADVANTAGES SECTION
   ============================================= */
.advantages {
  background: var(--gradient-light-section);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.advantage-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: var(--border-light);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

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

.advantage-icon {
  width: 64px;
  height: 64px;
  background: rgba(14, 165, 199, 0.08);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto var(--space-lg);
  transition: all var(--transition-base);
}

.advantage-card:hover .advantage-icon {
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.advantage-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: var(--space-sm);
}

.advantage-desc {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  line-height: 1.7;
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials {
  background: var(--surface-dark);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(14, 165, 199, 0.06), transparent 70%);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--surface-card);
  border: var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 165, 199, 0.2);
  box-shadow: var(--shadow-glow);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
  font-size: 1rem;
  color: var(--accent-400);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 600;
  color: var(--text-white);
  font-size: 0.95rem;
}

.testimonial-location {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* =============================================
   FAQ SECTION
   ============================================= */
.faq {
  background: var(--gradient-light-section);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  background: white;
  border-radius: var(--radius-lg);
  border: var(--border-light);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl);
  cursor: pointer;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--neutral-800);
  font-family: var(--font-body);
  gap: var(--space-md);
}

.faq-question:hover {
  color: var(--primary-600);
}

.faq-icon {
  width: 32px;
  height: 32px;
  background: rgba(14, 165, 199, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: all var(--transition-base);
  color: var(--primary-500);
}

.faq-item.active .faq-icon {
  background: var(--primary-500);
  color: white;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-answer-content {
  padding: 0 var(--space-xl) var(--space-xl);
  font-size: 0.95rem;
  color: var(--text-dark-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

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

.cta-box {
  position: relative;
  background: linear-gradient(135deg, rgba(14, 165, 199, 0.15), rgba(245, 166, 35, 0.08));
  border: var(--border-accent);
  border-radius: var(--radius-2xl);
  padding: var(--space-4xl) var(--space-3xl);
  text-align: center;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(14, 165, 199, 0.1) 0%, transparent 50%);
  animation: cta-rotate 15s linear infinite;
}

@keyframes cta-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-box > * {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--space-md);
}

.cta-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

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

.cta-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-white);
}

.cta-phone span {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact {
  background: var(--gradient-light-section);
}

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

.contact-info {
  padding: var(--space-lg) 0;
}

.contact-info .section-title {
  text-align: left;
  color: var(--neutral-900);
}

.contact-text {
  font-size: 1.05rem;
  color: var(--text-dark-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  background: rgba(14, 165, 199, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-detail-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-detail-value {
  font-size: 1rem;
  color: var(--neutral-800);
  font-weight: 500;
}

.contact-social {
  display: flex;
  gap: var(--space-md);
}

.contact-social a {
  width: 44px;
  height: 44px;
  background: white;
  border: var(--border-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-base);
  color: var(--neutral-600);
}

.contact-social a:hover {
  background: var(--primary-500);
  color: white;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Contact Form */
.contact-form-wrapper {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
  border: var(--border-light);
}

.contact-form-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--neutral-900);
  margin-bottom: var(--space-sm);
}

.contact-form-subtitle {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--neutral-800);
  transition: all var(--transition-base);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(14, 165, 199, 0.1);
  background: white;
}

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

.form-submit {
  width: 100%;
  margin-top: var(--space-sm);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--neutral-950);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand .nav-logo {
  margin-bottom: var(--space-lg);
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  max-width: 300px;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-white);
  margin-bottom: var(--space-lg);
}

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

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.footer-links a:hover {
  color: var(--primary-400);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* =============================================
   FLOATING WHATSAPP BUTTON
   ============================================= */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: bounce-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 2s backwards;
}

.whatsapp-float-btn {
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: white;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

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

.whatsapp-float-btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.3);
  animation: whatsapp-ring 2s ease-in-out infinite;
}

@keyframes whatsapp-ring {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 0; }
}

@keyframes bounce-in {
  from {
    opacity: 0;
    transform: scale(0) translateY(40px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Floating phone button */
.phone-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 999;
  animation: bounce-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 2.3s backwards;
}

.phone-float-btn {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base);
  cursor: pointer;
}

.phone-float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 40px rgba(14, 165, 199, 0.4);
}

/* =============================================
   BACK TO TOP
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 96px;
  right: 30px;
  z-index: 998;
  width: 44px;
  height: 44px;
  background: var(--surface-glass-strong);
  backdrop-filter: blur(10px);
  border: var(--border-glass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

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

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

/* =============================================
   MOBILE NAV OVERLAY
   ============================================= */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10, 15, 28, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-white);
  transition: color var(--transition-base);
}

.mobile-nav a:hover {
  color: var(--primary-400);
}

.mobile-nav-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  background: none;
  font-size: 2rem;
  color: white;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-image img {
    height: 400px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 220px);
  }

  .gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --nav-height: 68px;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .hero-title {
    font-size: clamp(2rem, 7vw, 2.8rem);
  }

  .hero-stats {
    gap: var(--space-xl);
  }

  .hero-stat-number {
    font-size: 1.5rem;
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  .process-steps::before {
    display: none;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(4, 180px);
  }

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

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

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

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .cta-box {
    padding: var(--space-2xl) var(--space-xl);
  }

  .about-floating-card {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: var(--space-md);
  }

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

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(6, 200px);
  }

  .gallery-item:nth-child(1) {
    grid-column: span 1;
  }

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

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}

/* === Smooth scrollbar === */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--neutral-950);
}
::-webkit-scrollbar-thumb {
  background: var(--neutral-700);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-600);
}

/* === Selection === */
::selection {
  background: rgba(14, 165, 199, 0.3);
  color: white;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  cursor: zoom-out;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.lightbox-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  background: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
}