@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* New Color System - Deep Tech Aesthetic */
  --primary-950: #0C0A1A;
  --primary-900: #1A1625;
  --primary-800: #2D2438;
  --primary-700: #3F334B;
  --primary-600: #52425E;
  --primary-500: #6B5B73;
  --primary-400: #8B7A94;
  --primary-300: #A599B0;
  --primary-200: #C4BBCC;
  --primary-100: #E2DCE8;
  --primary-50: #F5F3F7;

  /* Electric Accent Colors */
  --accent-600: #7C3AED;
  --accent-500: #8B5CF6;
  --accent-400: #A78BFA;
  --accent-300: #C4B5FD;
  --accent-200: #DDD6FE;
  --accent-100: #EDE9FE;
  --accent-50: #F5F3FF;

  /* Cyber Green */
  --success-600: #059669;
  --success-500: #10B981;
  --success-400: #34D399;
  --success-300: #6EE7B7;
  --success-200: #A7F3D0;
  --success-100: #D1FAE5;
  --success-50: #ECFDF5;

  /* Electric Orange */
  --warning-600: #EA580C;
  --warning-500: #F97316;
  --warning-400: #FB923C;
  --warning-300: #FDBA74;
  --warning-200: #FED7AA;
  --warning-100: #FFEDD5;
  --warning-50: #FFF7ED;

  /* Error Red */
  --error-600: #DC2626;
  --error-500: #EF4444;
  --error-400: #F87171;
  --error-300: #FCA5A5;
  --error-200: #FECACA;
  --error-100: #FEE2E2;
  --error-50: #FEF2F2;

  /* Neutral Grays */
  --neutral-950: #0A0A0B;
  --neutral-900: #18181B;
  --neutral-800: #27272A;
  --neutral-700: #3F3F46;
  --neutral-600: #52525B;
  --neutral-500: #71717A;
  --neutral-400: #A1A1AA;
  --neutral-300: #D4D4D8;
  --neutral-200: #E4E4E7;
  --neutral-100: #F4F4F5;
  --neutral-50: #FAFAFA;
  --white: #FFFFFF;

  /* Typography */
  --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Border Radius */
  --radius-xs: 2px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-3xl: 36px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-2xl: 0 25px 50px rgba(0,0,0,0.25);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  color: var(--neutral-800);
  background: var(--neutral-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-600);
  background: var(--accent-50);
  border: 1px solid var(--accent-200);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.section-title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.1;
  margin-bottom: var(--space-5);
  letter-spacing: -0.025em;
}

.section-title span {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 18px;
  color: var(--neutral-600);
  line-height: 1.7;
  max-width: 640px;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-16);
}

.section-header .section-subtitle {
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-primary);
  font-size: 15px;
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--white);
  color: var(--neutral-800);
  border: 2px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--accent-300);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-light {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
}

.btn-lg {
  font-size: 16px;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-xl);
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--neutral-200);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

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

.brand-logo {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--neutral-900);
  letter-spacing: -0.02em;
}

.brand-name em {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--primary-950) 0%, var(--primary-900) 50%, var(--primary-800) 100%);
  padding: var(--space-24) 0 var(--space-20);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-text {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--accent-300);
  font-size: 12px;
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-400);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-8);
}

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

.hero-subtitle {
  font-size: 20px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-image-container {
  position: relative;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.9;
  border-radius: var(--radius-xl);
}

.hero-stats-overlay {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  display: flex;
  gap: var(--space-3);
}

.hero-stat-card {
  flex: 1;
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
}

.hero-stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-800);
  line-height: 1;
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
}

.hero-stat-label {
  font-size: 11px;
  color: var(--neutral-500);
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== SECTION CONTENT LAYOUT ===== */
.section-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.section-text {
  max-width: 600px;
}

.section-visual {
  position: relative;
}

.section-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--neutral-200);
}

.contact-map-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--neutral-300);
  background: var(--neutral-200);
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: var(--white);
  border-bottom: 1px solid var(--neutral-200);
  padding: var(--space-16) 0;
  text-align: center;
}

.stats-content {
  max-width: 1000px;
  margin: 0 auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
  background: var(--neutral-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200);
}

.stat-value {
  font-size: 48px;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.04em;
  font-family: var(--font-mono);
}

.stat-value em {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
}

.stat-label {
  font-size: 14px;
  color: var(--neutral-600);
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== PROBLEM SECTION ===== */
.problem {
  padding: var(--space-24) 0;
  background: var(--neutral-100);
}

.problem-content {
  max-width: 1200px;
  margin: 0 auto;
}

.problem-text {
  margin-bottom: var(--space-16);
}

.problem-text .section-subtitle {
  margin: 0 auto;
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-top: var(--space-8);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.problem-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
}

.problem-icon {
  width: 48px;
  height: 48px;
  background: var(--warning-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--warning-200);
}

.problem-item-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: var(--space-1);
}

.problem-item-text {
  font-size: 15px;
  color: var(--neutral-600);
  line-height: 1.6;
}

.problem-visual-wrapper {
  display: flex;
  justify-content: center;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: var(--space-24) 0;
  background: var(--white);
  text-align: center;
}

.steps-content {
  max-width: 1200px;
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}

.steps-connector {
  position: absolute;
  top: 40px;
  left: calc(16.67% + 40px);
  right: calc(16.67% + 40px);
  height: 2px;
  background: linear-gradient(90deg, var(--accent-200), var(--accent-300), var(--accent-200));
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card {
  text-align: center;
  padding: var(--space-10) var(--space-6) var(--space-8);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-2xl);
  background: var(--neutral-50);
  position: relative;
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-200);
}

.step-number-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-8);
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  position: relative;
  z-index: 2;
}

.step-number.step-1 { 
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  box-shadow: var(--shadow-glow);
}
.step-number.step-2 { 
  background: linear-gradient(135deg, var(--success-600), var(--success-500));
}
.step-number.step-3 { 
  background: linear-gradient(135deg, var(--warning-600), var(--warning-500));
}

.step-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: var(--space-3);
}

.step-text {
  font-size: 16px;
  color: var(--neutral-600);
  line-height: 1.7;
}

.step-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
}

.step-tag.tag-blue { background: var(--accent-100); color: var(--accent-700); }
.step-tag.tag-cyan { background: var(--success-100); color: var(--success-700); }
.step-tag.tag-green { background: var(--warning-100); color: var(--warning-700); }

/* ===== FEATURES ===== */
.features {
  padding: var(--space-24) 0;
  background: var(--neutral-100);
  text-align: center;
}

.features-content {
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-200);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  border: 1px solid;
}

.feature-icon.icon-blue { 
  background: var(--accent-50); 
  border-color: var(--accent-200);
}
.feature-icon.icon-cyan { 
  background: var(--success-50); 
  border-color: var(--success-200);
}
.feature-icon.icon-green { 
  background: var(--success-50); 
  border-color: var(--success-200);
}
.feature-icon.icon-warning { 
  background: var(--warning-50); 
  border-color: var(--warning-200);
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: var(--space-3);
}

.feature-text {
  font-size: 15px;
  color: var(--neutral-600);
  line-height: 1.7;
}

/* ===== USE CASES ===== */
.use-cases {
  padding: var(--space-24) 0;
  background: var(--white);
  text-align: center;
}

.use-cases-content {
  max-width: 1000px;
  margin: 0 auto;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.use-case-card {
  display: flex;
  gap: var(--space-5);
  background: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all 0.3s ease;
}

.use-case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-200);
}

.use-case-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-50);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--accent-200);
}

.use-case-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: var(--space-2);
}

.use-case-text {
  font-size: 15px;
  color: var(--neutral-600);
  line-height: 1.7;
}

/* ===== PRODUCTS ===== */
.products {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, var(--primary-950) 0%, var(--primary-900) 100%);
  position: relative;
}

.products::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 40%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.products-content {
  max-width: 1200px;
  margin: 0 auto;
}

.products .section-label {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  color: var(--accent-300);
}

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

.products .section-subtitle {
  color: rgba(255,255,255,0.7);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
  z-index: 1;
}

.product-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-2xl);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  position: relative;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-glow);
}

.product-card.featured {
  background: var(--white);
  border-color: var(--accent-300);
  box-shadow: var(--shadow-glow);
}

.product-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
}

.product-name {
  font-size: 20px;
  font-weight: 700;
  color: rgba(255,255,255,0.95);
  margin-bottom: var(--space-1);
}

.product-card.featured .product-name {
  color: var(--neutral-900);
}

.product-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.product-card.featured .product-desc {
  color: var(--neutral-600);
}

.product-price {
  font-size: 42px;
  font-weight: 700;
  color: var(--accent-300);
  line-height: 1;
  letter-spacing: -0.03em;
  font-family: var(--font-mono);
}

.product-card.featured .product-price {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-price-note {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-6);
  margin-top: var(--space-1);
}

.product-card.featured .product-price-note {
  color: var(--neutral-600);
}

.product-divider {
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin-bottom: var(--space-5);
}

.product-card.featured .product-divider {
  background: var(--neutral-200);
}

.product-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-grow: 1;
}

.product-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
}

.product-card.featured .product-feature-item {
  color: var(--neutral-700);
}

.product-check {
  flex-shrink: 0;
  margin-top: 2px;
}

.product-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 15px;
  font-weight: 600;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.2);
  font-family: var(--font-primary);
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
  text-decoration: none;
}

.product-cta:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
}

.product-card.featured .product-cta {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  color: var(--white);
  border-color: var(--accent-500);
}

.product-card.featured .product-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* ===== WHY US ===== */
.why-us {
  padding: var(--space-24) 0;
  background: var(--neutral-100);
}

.why-content {
  max-width: 1200px;
  margin: 0 auto;
}

.why-text {
  margin-bottom: var(--space-16);
}

.why-text .section-subtitle {
  margin: 0 auto;
}

.why-visual-wrapper {
  display: flex;
  justify-content: center;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  max-width: 800px;
  margin: 0 auto;
}

.why-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.why-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-200);
}

.why-item-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--accent-200);
}

.why-item-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: var(--space-2);
}

.why-item-text {
  font-size: 15px;
  color: var(--neutral-600);
  line-height: 1.7;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: var(--space-24) 0;
  background: var(--white);
  text-align: center;
}

.testimonials-content {
  max-width: 1200px;
  margin: 0 auto;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-200);
}

.testimonial-stars {
  display: flex;
  gap: var(--space-1);
}

.star {
  color: var(--warning-500);
  font-size: 18px;
}

.testimonial-quote {
  font-size: 16px;
  color: var(--neutral-700);
  line-height: 1.7;
  font-style: italic;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--neutral-300);
  border-radius: 50%;
  flex-shrink: 0;
}

.author-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--neutral-900);
}

.author-title {
  font-size: 14px;
  color: var(--neutral-600);
}

/* ===== CONTACTS ===== */
.contacts {
  padding: var(--space-24) 0;
  background: var(--neutral-100);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-50);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--accent-200);
}

.contact-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neutral-500);
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
}

.contact-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.4;
}

.contact-value a {
  background: linear-gradient(135deg, var(--accent-600), var(--accent-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--neutral-950);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
  align-items: start;
}

.footer-brand {
  max-width: 400px;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.footer-column {
  display: flex;
  flex-direction: column;
}

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

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
}

.footer-brand-name em {
  background: linear-gradient(135deg, var(--accent-400), var(--accent-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
}

.footer-desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 320px;
}

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-300);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom-left {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
}

.footer-bottom-right {
  display: flex;
  align-items: center;
}

.footer-contact-info {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.footer-contact-info a {
  color: rgba(255,255,255,0.4);
  font-size: 14px;
  transition: color 0.2s ease;
  text-decoration: none;
}

.footer-contact-info a:hover {
  color: var(--accent-300);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .hero-title {
    font-size: clamp(32px, 5vw, 48px);
  }

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

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

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

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

@media (max-width: 768px) {
  .section-title {
    font-size: clamp(24px, 5vw, 36px);
  }

  .hero {
    padding: var(--space-16) 0 var(--space-16);
  }

  .hero-title {
    font-size: clamp(28px, 6vw, 40px);
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-stats-overlay {
    flex-direction: column;
    gap: var(--space-2);
  }

  .section-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .steps-connector {
    display: none;
  }

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

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

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

  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .footer-contact-info {
    flex-direction: column;
    gap: var(--space-2);
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-lg {
    width: 100%;
    justify-content: center;
  }

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

  .stat-item {
    margin-bottom: var(--space-4);
  }

  .stat-item:last-child {
    margin-bottom: 0;
  }
  
  .hero-content {
    gap: var(--space-8);
  }
}