/*
 * ========================================
 * ALU & PLAST INTERNACIONAL
 * Modern CSS - Complete Redesign
 * Mobile-First Optimized
 * ========================================
 */

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
  /* Primary Colors */
  --primary: #1a5f7a;
  --primary-dark: #134559;
  --primary-light: #2d8aa8;
  --primary-50: rgba(26, 95, 122, 0.1);
  --primary-gradient: linear-gradient(135deg, #1a5f7a 0%, #0d3d4d 100%);
  
  /* Accent Colors */
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fbbf24;
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --black: #000000;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  
  /* Spacing - Mobile First */
  --section-padding: 60px;
  --container-max: 1280px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 25px 60px rgba(0,0,0,0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  
  /* Z-index */
  --z-sticky: 100;
  --z-modal: 200;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

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

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

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, #1a5f7a, #2d8aa8);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(26, 95, 122, 0.3);
  border-radius: 50px;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(26, 95, 122, 0.4);
  background: linear-gradient(135deg, #155a70, #1a5f7a);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}

.btn-light {
  border-color: rgba(255,255,255,0.5);
  color: #ffffff;
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
}

/* ========================================
   PRELOADER
   ======================================== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.loaded {
  opacity: 0;
  visibility: hidden;
}

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

.preloader-logo {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.preloader-bar {
  width: 150px;
  height: 3px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.preloader-bar::after {
  content: '';
  display: block;
  width: 50%;
  height: 100%;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
  animation: preloaderBar 1s ease infinite;
}

@keyframes preloaderBar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}

/* ========================================
   HEADER / NAVIGATION
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  padding: 15px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Nav right side container */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  transition: var(--transition-normal);
}

.header.scrolled .logo-text {
  color: var(--gray-900);
}

.logo-accent {
  color: var(--accent);
}

.logo-sub {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition-normal);
}

.header.scrolled .logo-sub {
  color: var(--gray-500);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 40px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: rgba(255,255,255,0.95);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
  position: relative;
}

.nav-link i {
  font-size: 0.9rem;
  color: #fff;
  background: var(--accent);
  padding: 6px;
  border-radius: 8px;
  transition: var(--transition-fast);
  min-width: 28px;
  text-align: center;
}

.nav-link:hover i {
  transform: scale(1.1);
  background: var(--accent-dark, #e68a00);
}

.header.scrolled .nav-link {
  color: var(--gray-700);
}

.header.scrolled .nav-link i {
  background: var(--primary);
  color: #fff;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  background: var(--gray-100);
  color: var(--primary);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.dropdown-menu a i {
  font-size: 0.9rem;
  color: var(--primary);
  width: 20px;
  text-align: center;
}

.dropdown-menu a:hover {
  background: var(--primary-50);
  color: var(--primary);
  padding-left: 20px;
}

.dropdown-menu a:hover i {
  color: var(--accent);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  white-space: nowrap;
  transition: var(--transition-normal);
  padding: 8px 14px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.2);
}

.nav-phone svg {
  flex-shrink: 0;
  color: var(--accent);
}

.nav-phone span {
  white-space: nowrap;
}

.header.scrolled .nav-phone {
  color: var(--gray-700);
  background: var(--gray-100);
  border-color: var(--gray-200);
}

.header.scrolled .nav-phone svg {
  color: var(--primary);
}

.nav-phone:hover {
  color: var(--accent);
  background: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}

.nav-actions .btn-primary {
  padding: 12px 24px;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition-normal);
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
}

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

.hero-slide {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  backface-visibility: hidden;
  transform: translateZ(0);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,40,80,0.75) 0%, rgba(0,20,40,0.55) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  pointer-events: auto;
  animation: heroFadeIn 1s ease-out 0.3s both;
}

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

.hero-badge {
  display: inline-block;
  padding: 14px 32px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-top: 60px;
  margin-bottom: 36px;
  letter-spacing: 0.5px;
  animation: heroFadeIn 0.8s ease-out 0.5s both;
}

.hero-title,
.hero h1 {
  font-family: var(--font-heading);
  font-size: 6rem !important;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 32px;
  letter-spacing: -2px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.3);
  animation: heroFadeIn 0.8s ease-out 0.7s both;
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 40%, #fcd34d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  text-shadow: none;
}

.hero-text {
  font-size: clamp(1.125rem, 2vw, 1.35rem);
  color: rgba(255,255,255,0.9);
  margin-bottom: 48px;
  max-width: 600px;
  line-height: 1.7;
  font-weight: 400;
  animation: heroFadeIn 0.8s ease-out 0.9s both;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  animation: heroFadeIn 0.8s ease-out 1.1s both;
}

/* Hero Slider Nav */
.hero-slider-nav {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 24px;
  z-index: 100;
}

.hero-slider-btn {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  transition: all 0.3s ease;
  outline: none;
}

.hero-slider-btn:hover {
  background: rgba(245, 158, 11, 0.95);
  border-color: #f59e0b;
  transform: scale(1.15);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
}

.hero-slider-btn:active {
  transform: scale(0.95);
  background: #d97706;
}

.hero-slider-btn svg {
  pointer-events: none;
  width: 28px;
  height: 28px;
}

.hero-slider-pagination {
  display: flex;
  gap: 12px;
}

.hero-slider-pagination .swiper-pagination-bullet {
  width: 14px;
  height: 14px;
  background: rgba(255,255,255,0.3);
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-slider-pagination .swiper-pagination-bullet:hover {
  background: rgba(255,255,255,0.5);
  transform: scale(1.1);
}

.hero-slider-pagination .swiper-pagination-bullet-active {
  background: #f59e0b;
  border-color: #f59e0b;
  transform: scale(1.3);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.5);
}

/* Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: 60px;
  right: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 20;
}

.hero-scroll span {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
}

.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30px;
  background: var(--white);
  animation: scrollLine 1.5s ease infinite;
}

@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 60px;
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

.section-header-light {
  color: var(--white);
}

.section-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(0, 102, 204, 0.1);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.section-badge-light {
  background: rgba(255,255,255,0.1);
  color: var(--white);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-header-light .section-title {
  color: var(--white);
}

.section-text {
  font-size: 1.125rem;
  color: var(--gray-500);
}

.section-header-light .section-text {
  color: rgba(255,255,255,0.7);
}

/* ========================================
   TRUST SECTION
   ======================================== */
.trust {
  padding: var(--section-padding) 0;
  background: var(--white);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.trust-card {
  position: relative;
  padding: 40px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  overflow: hidden;
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

.trust-card:hover {
  transform: translateY(-10px) !important;
  box-shadow: var(--shadow-xl);
  background: var(--white);
}

.trust-icon {
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  color: var(--white);
  margin-bottom: 24px;
}

.trust-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.trust-text {
  color: var(--gray-500);
  line-height: 1.7;
}

.trust-number {
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  color: var(--gray-100);
  line-height: 1;
  transition: var(--transition-normal);
}

.trust-card:hover .trust-number {
  color: rgba(0, 102, 204, 0.1);
}

/* Stats */
.trust-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  padding: 50px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.9375rem;
  color: var(--gray-500);
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--gray-200);
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
  padding: var(--section-padding) 0;
  background: var(--gray-50);
}

.services-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.services-content .section-badge {
  margin-bottom: 16px;
}

.services-content .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.services-content .section-text {
  text-align: left;
  margin-bottom: 30px;
}

.services-list {
  margin-bottom: 40px;
}

.services-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-200);
}

.services-list li:last-child {
  border-bottom: none;
}

.services-list svg {
  flex-shrink: 0;
  color: var(--primary);
}

.services-list span {
  font-size: 1rem;
  color: var(--gray-700);
}

.services-visual {
  position: relative;
}

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

.services-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.services-badge {
  position: absolute;
  bottom: -30px;
  left: -30px;
  padding: 30px;
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.services-badge-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.services-badge-text {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* ========================================
   PRODUCTS SECTION
   ======================================== */
.products {
  padding: var(--section-padding) 0;
  background: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  justify-items: center;
}

.products-grid .product-card:last-child:nth-child(3n+1) {
  grid-column: 2;
}

.product-card {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: visible;
  background: var(--white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.product-card:hover {
  transform: translateY(-12px) !important;
  box-shadow: 0 20px 40px rgba(26, 95, 122, 0.15);
  border-color: rgba(26, 95, 122, 0.1);
}

.product-image {
  position: relative;
  height: 260px;
  overflow: hidden;
  border-radius: 16px 16px 0 0;
}

.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: rgba(0, 102, 204, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-normal);
  pointer-events: none;
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.product-cta {
  padding: 12px 24px;
  background: var(--white);
  color: var(--primary);
  font-weight: 600;
  border-radius: var(--radius-md);
  transform: translateY(20px);
  transition: var(--transition-normal);
  pointer-events: auto;
}

.product-card:hover .product-cta {
  transform: translateY(0);
}

.product-content {
  padding: 20px 16px 24px !important;
  text-align: center !important;
  background: #ffffff !important;
  position: relative !important;
  z-index: 10 !important;
  display: block !important;
  overflow: visible !important;
  min-height: 80px !important;
}

.product-title {
  font-family: 'Inter', sans-serif !important;
  font-size: 1.15rem !important;
  font-weight: 700 !important;
  margin-bottom: 8px !important;
  color: #1a1a2e !important;
  opacity: 1 !important;
  visibility: visible !important;
  display: block !important;
}

.product-text {
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  color: #64748b !important;
  line-height: 1.5 !important;
  opacity: 1 !important;
  visibility: visible !important;
  display: block !important;
  padding-bottom: 4px !important;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */
.projects {
  padding: var(--section-padding) 0;
  background: var(--gray-900);
}

.projects-slider {
  padding: 20px 0;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.project-image {
  height: 280px;
  overflow: hidden;
}

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

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

.project-content {
  padding: 28px;
}

.project-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.project-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.project-text {
  font-size: 0.9375rem;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--primary);
}

.project-link:hover {
  gap: 12px;
}

/* Projects Slider Nav */
.projects-slider-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.projects-slider-btn {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: var(--white);
  transition: var(--transition-normal);
}

.projects-slider-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.projects-cta {
  text-align: center;
  margin-top: 50px;
}

/* ========================================
   PROMO SECTION
   ======================================== */
.promo {
  padding: var(--section-padding) 0;
  background: linear-gradient(135deg, #1a5f7a 0%, #0d3d4d 100%) !important;
  position: relative;
  overflow: hidden;
}

.promo::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.promo-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

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

.promo-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: #ffffff !important;
  margin-bottom: 8px;
}

.promo-subtitle {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.9) !important;
  margin-bottom: 20px;
}

.promo-text {
  font-size: 1rem;
  color: rgba(255,255,255,0.85) !important;
  margin-bottom: 30px;
  line-height: 1.8;
}

.promo-features {
  margin-bottom: 40px;
}

.promo-features li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  color: #ffffff !important;
  font-size: 1rem;
}

.promo-features svg {
  color: #f59e0b !important;
}

.promo-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.promo-image img {
  width: 350px;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.promo-badge {
  position: absolute;
  top: -20px;
  right: 20px;
  padding: 16px 24px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   PARTNERS SECTION
   ======================================== */
.partners {
  padding: var(--section-padding) 0;
  background: var(--gray-50);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 30px;
}

a.partner-item {
  text-decoration: none;
}

.partner-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: var(--white);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.partner-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, #1a5f7a 0%, #2980b9 100%);
}

.partner-item span {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: color 0.3s ease;
}

.partner-item:hover span {
  color: #ffffff;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
}

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

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,40,80,0.9) 0%, rgba(0,20,40,0.85) 100%);
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.cta-text {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--gray-900);
  padding: 80px 0 30px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.footer-logo .logo-text {
  color: var(--white);
}

.footer-logo .logo-sub {
  color: rgba(255,255,255,0.5);
}

.footer-about {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: var(--white);
  transition: var(--transition-normal);
}

.footer-social a:hover {
  background: var(--primary);
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 24px;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-contact ul li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.footer-contact svg {
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 2px;
}

.footer-contact a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
}

.footer-contact a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: 30px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  color: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1200px) {
  .hero-title,
  .hero h1 {
    font-size: 5.5rem !important;
  }
  
  .services-wrapper {
    gap: 50px;
  }
  
  .promo-wrapper {
    gap: 50px;
  }
  
  .footer-main {
    gap: 40px;
  }
}

@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }
  
  .nav-menu,
  .nav-actions {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-title,
  .hero h1 {
    font-size: 4.5rem !important;
  }
  
  .hero-scroll {
    display: none;
  }
  
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .trust-stats {
    flex-direction: column;
    gap: 30px;
  }
  
  .stat-divider {
    width: 80px;
    height: 1px;
  }
  
  .services-wrapper {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .services-visual {
    order: -1;
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .promo-wrapper {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .promo-features li {
    justify-content: center;
  }
  
  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer-main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title,
  .hero h1 {
    font-size: 3.75rem !important;
  }
  
  .hero-text {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-slider-nav {
    bottom: 30px;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .promo-title {
    font-size: 2.5rem;
  }
  
  .promo-image img {
    width: 250px;
    height: 250px;
  }
  
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta-title {
    font-size: 2rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-contact ul li {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero-title,
  .hero h1 {
    font-size: 3rem !important;
  }
  
  .btn-lg {
    padding: 14px 28px;
    font-size: 0.9375rem;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
}

/* ========================================
   MOBILE NAVIGATION
   ======================================== */
@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gray-900);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
  }
  
  .nav-menu.active {
    display: flex;
    transform: translateX(0);
  }
  
  .nav-menu .nav-link {
    color: var(--white);
    font-size: 1.25rem;
  }
  
  .nav-menu .nav-link:hover {
    background: rgba(255,255,255,0.1);
  }
  
  .nav-dropdown .dropdown-menu {
    position: static;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding: 10px 0;
  }
  
  .dropdown-menu a {
    color: rgba(255,255,255,0.7);
    text-align: center;
  }
  
  .dropdown-menu a:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ========================================
   TRUST MODALS
   ======================================== */
.trust-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.trust-modal.active {
  opacity: 1;
  visibility: visible;
}

.trust-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.trust-modal-content {
  position: relative;
  background: #ffffff;
  border-radius: 20px;
  padding: 40px;
  max-width: 600px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.trust-modal.active .trust-modal-content {
  transform: scale(1) translateY(0);
}

.trust-modal-close {
  position: absolute;
  top: 15px;
  right: 20px;
  background: none;
  border: none;
  font-size: 32px;
  color: #64748b;
  cursor: pointer;
  transition: color 0.3s ease;
  line-height: 1;
}

.trust-modal-close:hover {
  color: #1a5f7a;
}

.trust-modal-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #1a5f7a 0%, #2980b9 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.trust-modal-icon svg {
  color: #ffffff;
}

.trust-modal-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 20px;
}

.trust-modal-body {
  margin-bottom: 30px;
}

.trust-modal-intro {
  font-size: 1.1rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid #e2e8f0;
}

.trust-modal-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a5f7a;
  margin: 20px 0 12px;
}

.trust-modal-body p {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 16px;
}

.trust-modal-body ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.trust-modal-body ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: #475569;
  line-height: 1.6;
}

.trust-modal-body ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #f59e0b;
  font-weight: 700;
}

.trust-modal-body ul li strong {
  color: #1a1a2e;
}

/* Make trust cards clickable */
.trust-card {
  cursor: pointer;
}

.trust-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(26, 95, 122, 0.15);
}

@media (max-width: 640px) {
  .trust-modal-content {
    padding: 30px 20px;
    margin: 20px;
  }
  
  .trust-modal-title {
    font-size: 1.5rem;
  }
  
  .trust-modal-icon {
    width: 60px;
    height: 60px;
  }
  
  .trust-modal-icon svg {
    width: 32px;
    height: 32px;
  }
}