/* Kristeve Solar World - Premium Elite Design System */

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

/* ===== PREMIUM ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleInCenter {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(212, 96, 10, 0.1); }
  50% { box-shadow: 0 0 40px rgba(212, 96, 10, 0.2); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(212, 96, 10, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(212, 96, 10, 0); }
  100% { box-shadow: 0 0 0 0 rgba(212, 96, 10, 0); }
}

@keyframes bounce-in {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; }
  70% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes swing {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(3deg); }
}

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

@keyframes slide-up-fade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes highlight-pulse {
  0% { background-color: transparent; }
  50% { background-color: rgba(212, 96, 10, 0.1); }
  100% { background-color: transparent; }
}

:root {
  /* Warm, premium color scheme inspired by successful solar brands */
  --primary: #D4600A;
  --primary-light: #E8771E;
  --primary-dark: #B84D08;
  --accent: #F59E0B;
  --accent-light: #FCD34D;
  --secondary: #1F2937;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  
  /* Grays */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Neutral backgrounds */
  --white: #ffffff;
  --dark: #0F172A;
  
  /* Shadows - Premium Depth */
  --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 -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 15px 20px -10px rgba(0, 0, 0, 0.1);
  --shadow-elite: 0 30px 60px -15px rgba(212, 96, 10, 0.15);
  
  /* Spacing */
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  
  /* Animation timings */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 16px;
  font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 0.5em;
  letter-spacing: -0.5px;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  color: var(--gray-600);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--primary-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 2px solid var(--primary);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
  width: 100%;
  left: 0;
  right: 0;
}

.site-header:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Hamburger Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 12px;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.header-top {
  background: linear-gradient(135deg, var(--primary) 0%, #0a5a8a 100%);
  color: var(--white);
  padding: 16px 0;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(26, 58, 82, 0.15);
}

.header-top-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.header-top-content > div {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Inter', 'Poppins', sans-serif;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.header-top-content strong {
  font-weight: 700;
  color: #FFD700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.header-top a {
  color: var(--white);
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
}

.header-top a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #FFD700;
  transition: width 0.3s ease;
}

.header-top a:hover {
  color: #FFD700;
  transform: translateX(2px);
}

.header-top a:hover::after {
  width: 100%;
}

/* Premium Scrolling Ticker Announcement */
@keyframes scroll-left {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-100%);
  }
}

.header-ticker {
  background: linear-gradient(135deg, var(--primary) 0%, #0a5a8a 100%);
  color: var(--white);
  padding: 12px 0;
  overflow: hidden;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  border-bottom: 2px solid #FFD700;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.ticker-content {
  display: flex;
  animation: scroll-left 25s linear infinite;
  white-space: nowrap;
  will-change: transform;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 60px;
  font-family: 'Poppins', sans-serif;
}

.ticker-item strong {
  color: #FFD700;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.ticker-separator {
  color: #FFD700;
  font-weight: 700;
}

/* Premium Card System - High Value Content */
.premium-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
  border: 2px solid rgba(0, 168, 232, 0.1);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 8px 32px rgba(26, 58, 82, 0.08), 0 4px 16px rgba(0, 0, 0, 0.05);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.premium-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #FFD700, var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.premium-card:hover {
  box-shadow: 0 16px 48px rgba(26, 58, 82, 0.12), 0 8px 24px rgba(0, 168, 232, 0.1);
  border-color: rgba(0, 168, 232, 0.2);
  transform: translateY(-6px);
}

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

.premium-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.premium-card p {
  color: var(--dark);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.premium-card .card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 0;
  gap: 3rem;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--primary);
  transition: all 0.3s ease;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.brand:hover {
  opacity: 0.9;
  color: var(--primary);
  transform: scale(1.02);
}

.brand img {
  height: 50px;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(26, 58, 82, 0.2);
  transition: all 0.3s ease;
}

.brand:hover img {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(26, 58, 82, 0.3);
}

.nav-main {
  display: flex;
  gap: 3rem;
  align-items: center;
  flex: 1;
  justify-content: center;
  transition: all 0.3s ease;
}

.nav-main a {
  color: var(--gray-700);
  font-weight: 600;
  position: relative;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  padding: 8px 0;
}

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

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 2px;
}

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

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(212, 96, 10, 0.2);
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(212, 96, 10, 0.4);
  transform: translateY(-3px) scale(1.02);
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2.5px solid var(--primary);
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
}

.btn-secondary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  opacity: 0;
  border-radius: inherit;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(212, 96, 10, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

/* ========== HERO SLIDER ========== */
.hero-slider {
  position: relative;
  height: 600px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.hero-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(15, 31, 58, 0.6) 0%, rgba(26, 58, 82, 0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  color: var(--white);
  text-align: center;
  padding: 40px;
}

.hero-content h1 {
  color: var(--white);
  font-size: 3.5rem;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.3rem;
  margin-bottom: 30px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.slider-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  padding: 0;
}

.dot:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: scale(1.15);
}

.dot.active {
  background: var(--white);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

/* Contact Us Slider - Optimized */
.contact-us-slider {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.contact-us-slider .hero-buttons .btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-us-slider .hero-buttons .btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.contact-us-slider .hero-slide[aria-selected="true"] {
  z-index: 2;
}

/* Individual slide styling for distinct views */
.contact-us-slider .hero-slide[data-slide="0"]::before {
  background: linear-gradient(135deg, rgba(15, 31, 58, 0.5) 0%, rgba(26, 58, 82, 0.7) 100%);
}

.contact-us-slider .hero-slide[data-slide="1"]::before {
  background: linear-gradient(90deg, rgba(0, 168, 232, 0.2) 0%, rgba(26, 58, 82, 0.6) 100%);
}

.contact-us-slider .hero-slide[data-slide="2"]::before {
  background: linear-gradient(225deg, rgba(26, 58, 82, 0.7) 0%, rgba(15, 31, 58, 0.5) 100%);
}

/* ========== SECTIONS ========== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
  animation: fadeInDown 0.8s ease-out;
}

.section-label {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
  animation: bounce-in 0.6s ease-out;
}

.section-header h2 {
  margin-bottom: 20px;
  color: var(--dark);
  animation: fadeInUp 0.8s ease-out 0.1s both;
  font-size: 2.5rem;
}

.section-header p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto;
  color: var(--gray-600);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* ========== PRODUCT GRID ========== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gray-100);
  animation: bounce-in 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  position: relative;
}

.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  box-shadow: 0 4px 15px rgba(212, 96, 10, 0.2);
}

.product-card:hover {
  box-shadow: var(--shadow-elite);
  transform: translateY(-16px) scale(1.02);
  border-color: var(--primary-light);
}

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

.product-image {
  width: 100%;
  height: 250px;
  background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-100) 100%);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.5s ease;
}

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

.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(212, 96, 10, 0.2) 100%);
}

.product-body {
  padding: 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.product-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex: 1;
  line-height: 1.8;
  font-weight: 500;
}

.product-price {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.product-card .btn {
  width: 100%;
}

/* ========== ABOUT SECTION ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

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

.about-content p {
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about-list {
  list-style: none;
  margin-bottom: 40px;
}

.about-list li {
  display: flex;
  gap: 15px;
  margin-bottom: 18px;
  color: var(--gray-600);
  font-size: 1rem;
  line-height: 1.7;
}

.about-list li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 1.3rem;
}

.about-image {
  background: linear-gradient(135deg, var(--gray-300) 0%, var(--gray-200) 100%);
  border-radius: var(--radius-2xl);
  height: 500px;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-2xl);
}

/* ========== FEATURE CARDS ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 40px;
}

.feature-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: var(--radius-xl);
  border: 2px solid var(--gray-100);
  transition: var(--transition-slow);
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.8s ease-out;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(212, 96, 10, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-elite), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transform: translateY(-12px) scale(1.02);
  background: linear-gradient(135deg, rgba(212, 96, 10, 0.08) 0%, rgba(232, 119, 30, 0.08) 100%);
}

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

.feature-card h3 {
  margin-bottom: 15px;
  color: var(--dark);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.feature-card p {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.8;
  font-weight: 500;
}

/* ========== PREMIUM ICONS & ELEMENTS ========== */
.premium-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 12px;
  font-size: 1.8rem;
  margin-bottom: 15px;
  box-shadow: 0 8px 20px rgba(212, 96, 10, 0.15);
  transition: all 0.3s ease;
}

.feature-card:hover .premium-icon {
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 12px 30px rgba(212, 96, 10, 0.25);
}

.premium-icon.pulse {
  animation: pulse-glow 2s infinite;
}

.stat-number {
  animation: slide-up-fade 0.8s ease-out;
}

.badge-premium {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: 0 4px 15px rgba(212, 96, 10, 0.2);
  animation: bounce-in 0.6s ease-out;
}

.accent-line {
  height: 3px;
  width: 60px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  margin: 15px auto 25px;
  border-radius: 2px;
}

/* ========== CASE STUDY CARDS ========== */
.case-study-card {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
  position: relative;
  border-top: 4px solid transparent;
  border-top-color: var(--primary);
  animation: slideInLeft 0.8s ease-out;
}

.case-study-card:hover {
  box-shadow: var(--shadow-elite);
  transform: translateY(-12px);
  border-top-color: var(--accent);
}

.case-study-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
  border-radius: 10px;
  font-size: 1.6rem;
  margin-bottom: 15px;
  box-shadow: 0 6px 20px rgba(212, 96, 10, 0.15);
  animation: bounce-in 0.6s ease-out;
}

/* ========== TESTIMONIALS ========== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}

.testimonial {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border-left: 5px solid var(--primary);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
  animation: slideInLeft 0.8s ease-out;
}

.testimonial::before {
  content: '❝';
  position: absolute;
  top: 20px;
  right: 25px;
  font-size: 3rem;
  color: var(--accent-light);
  opacity: 0.3;
  font-family: Georgia, serif;
  animation: float 3s ease-in-out infinite;
}

.testimonial:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-elite);
  border-left-color: var(--accent);
  background: linear-gradient(135deg, rgba(212, 96, 10, 0.02) 0%, rgba(232, 119, 30, 0.02) 100%);
}

.testimonial-stars {
  color: var(--accent);
  margin-bottom: 15px;
  font-size: 1.2rem;
  letter-spacing: 3px;
  font-weight: 700;
  animation: pulse 2s ease-in-out infinite;
}

.testimonial-text {
  color: var(--gray-700);
  margin-bottom: 25px;
  font-size: 1rem;
  line-height: 1.9;
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}

.author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.4rem;
  box-shadow: var(--shadow-lg), 0 0 15px rgba(212, 96, 10, 0.2);
  flex-shrink: 0;
}

.author-info h4 {
  margin: 0 0 3px 0;
  color: var(--dark);
  font-size: 0.95rem;
  font-weight: 700;
}

.author-info p {
  margin: 0;
  color: var(--gray-500);
  font-size: 0.85rem;
}

/* ========== STATS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.stat {
  text-align: center;
  padding: 50px 30px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-xl);
  color: var(--white);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
  animation: scaleInCenter 0.6s ease-out;
}

.stat::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: var(--shadow-elite);
}

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

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  animation: slide-up-fade 0.8s ease-out 0.2s both;
}

.stat-label {
  font-size: 1.05rem;
  opacity: 0.95;
  font-weight: 500;
  animation: slide-up-fade 0.8s ease-out 0.3s both;
}

/* ========== CONTACT FORM ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact-item h4 {
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--gray-800);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(212, 96, 10, 0.1);
}

/* ========== FOOTER ========== */
.site-footer {
  background: linear-gradient(135deg, #0f172a 0%, #1a3a52 100%);
  color: var(--white);
  padding: 80px 0 30px;
  margin-top: 100px;
  border-top: 3px solid var(--accent);
}

.footer-newsletter {
  background: linear-gradient(135deg, var(--accent) 0%, #00a8e8 100%);
  padding: 40px;
  border-radius: 12px;
  margin-bottom: 60px;
  box-shadow: 0 10px 40px rgba(0, 168, 232, 0.2);
  text-align: center;
}

.footer-newsletter h3 {
  color: white;
  margin-bottom: 15px;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
}

.footer-newsletter p {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.newsletter-form {
  display: flex;
  gap: 10px;
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  background: white;
  color: var(--gray-700);
}

.newsletter-form input::placeholder {
  color: var(--gray-400);
}

.newsletter-form button {
  padding: 12px 24px;
  background: linear-gradient(135deg, #0a5a8a 0%, var(--primary) 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.newsletter-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 58, 82, 0.4);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 50px;
  margin-bottom: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-col h4 {
  color: var(--accent);
  margin-bottom: 20px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
  font-size: 0.95rem;
  text-decoration: none;
  position: relative;
}

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

.footer-col p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 15px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-col-title {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 700;
  margin-top: 15px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.social-icons a:hover {
  background: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 168, 232, 0.3);
}

.trust-badges {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.trust-badge {
  background: rgba(255, 255, 255, 0.1);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid rgba(0, 168, 232, 0.3);
  transition: all 0.3s ease;
}

.trust-badge:hover {
  background: rgba(0, 168, 232, 0.2);
  border-color: var(--accent);
}

.payment-methods {
  display: flex;
  gap: 12px;
  margin-top: 15px;
  flex-wrap: wrap;
}

.payment-icon {
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.payment-icon:hover {
  transform: scale(1.2);
  filter: drop-shadow(0 0 8px rgba(0, 168, 232, 0.5));
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  gap: 20px;
}

.footer-bottom-links {
  display: flex;
  gap: 25px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
  text-decoration: none;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr 1fr;
  }
  
  .nav-main {
    gap: 1.5rem;
    font-size: 0.85rem;
    display: flex;
  }
  
  .header-top-content {
    gap: 20px;
    flex-direction: column;
    align-items: flex-start;
    font-size: 0.8rem;
  }
  
  .menu-toggle {
    display: none;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  
  .hero-slider {
    height: 400px;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .header-main {
    padding: 1rem 0;
  }
  
  .brand {
    font-size: 1.3rem;
  }
  
  .brand img {
    height: 40px;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav-main {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    border-bottom: 2px solid var(--primary);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    transition: max-height 0.3s ease;
  }
  
  .nav-main.active {
    max-height: 300px;
    padding: 20px 0;
  }
  
  .nav-main a {
    padding: 12px 20px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--gray-100);
  }
  
  .nav-main a:last-child {
    border-bottom: none;
  }
  
  .products-grid,
  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .header-top-content {
    flex-direction: column;
    gap: 10px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  
  .header-main {
    gap: 1rem;
    padding: 0.8rem 0;
  }
  
  .brand {
    font-size: 1.1rem;
    gap: 8px;
  }
  
  .brand img {
    height: 35px;
  }
  
  .menu-toggle {
    padding: 6px 10px;
  }
  
  .menu-toggle span {
    width: 20px;
    height: 2.5px;
  }
  
  .nav-main {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
  }
  
  .nav-main.active {
    max-height: 250px;
  }
  
  .hero-slider {
    height: 280px;
  }
  
  .hero-content h1 {
    font-size: 1.3rem;
  }
  
  .hero-content p {
    font-size: 0.85rem;
    margin-bottom: 15px;
  }
  
  .btn {
    padding: 11px 18px;
    font-size: 0.8rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .product-body {
    padding: 15px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    font-size: 0.75rem;
  }
  
  .container {
    padding: 0 15px;
  }
  
  .section {
    padding: 40px 0;
  }
  
  .footer-bottom-links {
    flex-direction: column;
    gap: 10px;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .social-icons {
    justify-content: center;
  }
  
  .trust-badges {
    justify-content: center;
  }
  
  .header-main {
    flex-direction: column;
    gap: 1rem;
  }
}