/* ================================================
   BT-1 Doppelbodenplatten-Schälmaschine
   Premium Modern Website Styles
   ================================================ */

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

/* ================================================
   CSS Custom Properties (Design Tokens)
   ================================================ */
:root {
  /* Primary Colors */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;
  
  /* Neutral Colors */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;
  
  /* Accent Colors */
  --emerald-400: #34d399;
  --emerald-500: #10b981;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --rose-500: #f43f5e;
  
  /* Semantic Colors */
  --success: var(--emerald-500);
  --warning: var(--amber-500);
  --error: var(--rose-500);
  
  /* Custom Gradients */
  --gradient-primary: linear-gradient(135deg, #0c4a6e 0%, #075985 50%, #0369a1 100%);
  --gradient-hero: linear-gradient(145deg, #020617 0%, #0c1929 40%, #0f2744 100%);
  --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.3);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08), 0 0 1px rgba(0, 0, 0, 0.1);
  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-blur: blur(20px);
  
  /* Spacing */
  --section-padding: clamp(60px, 10vw, 120px);
  --container-max: 1280px;
  --container-padding: clamp(16px, 4vw, 40px);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --line-height: 1.6;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* ================================================
   Reset & Base Styles
   ================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  line-height: var(--line-height);
  color: var(--slate-900);
  background: var(--slate-50);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ================================================
   Accessibility
   ================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* ================================================
   Layout Utilities
   ================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

/* ================================================
   Typography
   ================================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  color: var(--slate-600);
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ================================================
   Buttons
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(14, 165, 233, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--glass-bg);
  color: white;
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--primary-500);
  color: white;
  transform: translateY(-2px);
}

/* ================================================
   Navigation
   ================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(2, 6, 23, 0.9);
  backdrop-filter: var(--glass-blur);
  padding: 12px 0;
  box-shadow: var(--shadow-lg);
}

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

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-400);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: white;
}

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

.nav-cta {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all var(--transition-base);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(2, 6, 23, 0.98);
    padding: 24px;
    gap: 16px;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-cta {
    display: none;
  }
}

/* ================================================
   Hero Section
   ================================================ */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-400), transparent);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 120px 0 80px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-300);
  margin-bottom: 24px;
}

.hero-kicker::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary-400);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  color: white;
  margin-bottom: 20px;
}

.hero-subtitle {
  color: var(--slate-300);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-subtitle strong {
  color: white;
}

.hero-chips {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.chip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  padding: 10px 18px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--slate-200);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
}

.chip:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.chip-icon {
  margin-right: 6px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
  pointer-events: none;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.hero-image:hover img {
  transform: scale(1.02);
}

.hero-badge {
  position: absolute;
  top: -16px;
  right: -16px;
  background: var(--gradient-primary);
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-chips {
    justify-content: center;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-image {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }
}

/* ================================================
   Benefits Section
   ================================================ */
.benefits {
  background: white;
  position: relative;
}

.benefits::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--slate-200), transparent);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-600);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.0625rem;
  color: var(--slate-500);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.benefit-card {
  background: var(--slate-50);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-50) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-100);
  box-shadow: var(--shadow-xl);
}

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

.benefit-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  position: relative;
  z-index: 1;
}

.benefit-icon.speed {
  background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-200) 100%);
}

.benefit-icon.clean {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
}

.benefit-icon.transport {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.benefit-title {
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.benefit-description {
  font-size: 0.9375rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

@media (max-width: 968px) {
  .benefits-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}

/* ================================================
   Specifications Section
   ================================================ */
.specs {
  background: var(--slate-50);
}

.specs-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--slate-50);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.spec-item:hover {
  background: var(--primary-50);
  transform: translateX(4px);
}

.spec-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.spec-content {
  flex: 1;
}

.spec-label {
  font-size: 0.8125rem;
  color: var(--slate-500);
  margin-bottom: 4px;
}

.spec-value {
  font-weight: 600;
  color: var(--slate-900);
}

.spec-value.highlight {
  color: var(--primary-600);
}

.spec-value.success {
  color: var(--success);
}

.spec-value.warning {
  color: var(--warning);
}

.specs-alert {
  margin-top: 40px;
  padding: 24px 32px;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--warning);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.specs-alert-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.specs-alert-title {
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--slate-900);
}

.specs-alert-text {
  font-size: 0.9375rem;
  color: var(--slate-700);
}

@media (max-width: 768px) {
  .specs-card {
    padding: 32px 24px;
  }
  
  .specs-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================================
   Development History Section
   ================================================ */
.history {
  background: white;
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.history-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.history-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.history-card.praxis {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
}

.history-card.praxis::before {
  background: var(--primary-500);
}

.history-card.certified {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.history-card.certified::before {
  background: var(--success);
}

.history-card.exclusive {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.history-card.exclusive::before {
  background: var(--warning);
}

.history-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.history-title {
  margin-bottom: 12px;
}

.history-text {
  font-size: 0.9375rem;
  line-height: 1.7;
}

@media (max-width: 968px) {
  .history-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================================
   Gallery Section
   ================================================ */
.gallery-section {
  background: var(--slate-50);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

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

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

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

.gallery-caption {
  color: white;
  font-weight: 600;
  font-size: 0.9375rem;
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================================
   Video Section
   ================================================ */
.video-section {
  background: var(--gradient-hero);
  color: white;
}

.video-section .section-label {
  color: var(--primary-300);
}

.video-section .section-title {
  color: white;
}

.video-section .section-description {
  color: var(--slate-300);
}

.video-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
  position: relative;
}

.video-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.3), transparent);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
  pointer-events: none;
  z-index: 1;
}

.video-wrapper video {
  width: 100%;
  height: auto;
  display: block;
}

.video-info {
  text-align: center;
  margin-top: 24px;
  color: var(--slate-400);
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ================================================
   Contact Section
   ================================================ */
.contact {
  background: white;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  padding-right: 40px;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info > p {
  margin-bottom: 40px;
}

.info-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.info-card {
  background: var(--slate-50);
  border-radius: var(--radius-md);
  padding: 20px;
}

.info-label {
  font-size: 0.8125rem;
  color: var(--slate-500);
  margin-bottom: 4px;
}

.info-value {
  font-weight: 600;
}

.info-value.success {
  color: var(--success);
}

.contact-email {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--primary-600);
  font-weight: 600;
  margin-top: 24px;
}

.contact-email-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-form-wrapper {
  background: var(--slate-50);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 8px;
  color: var(--slate-700);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-family: inherit;
  background: white;
  transition: all var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.form-checkbox input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--primary-500);
  cursor: pointer;
}

.form-checkbox label {
  font-size: 0.875rem;
  color: var(--slate-600);
  cursor: pointer;
}

.form-submit {
  width: 100%;
  padding: 16px 32px;
  font-size: 1rem;
}

@media (max-width: 968px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    padding-right: 0;
  }
}

/* ================================================
   Footer
   ================================================ */
.footer {
  background: var(--slate-950);
  color: var(--slate-300);
  padding: 60px 0 32px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-link {
  color: var(--slate-400);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: white;
}

.footer-divider {
  height: 1px;
  background: var(--slate-800);
  margin-bottom: 32px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--slate-500);
}

.footer-email {
  color: var(--primary-400);
  transition: color var(--transition-fast);
}

.footer-email:hover {
  color: var(--primary-300);
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ================================================
   Scroll Animations
   ================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s ease-out;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.6s ease-out;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ================================================
   Lightbox
   ================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.lightbox.active .lightbox-content {
  transform: scale(1);
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

/* ================================================
   Thank You Page Styles
   ================================================ */
.thank-you-page {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.thank-you-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 60px;
  text-align: center;
  max-width: 600px;
  box-shadow: var(--shadow-2xl);
}

.thank-you-icon {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: 0 auto 32px;
}

.thank-you-title {
  margin-bottom: 16px;
}

.thank-you-text {
  font-size: 1.0625rem;
  margin-bottom: 40px;
}

@media (max-width: 480px) {
  .thank-you-card {
    padding: 40px 24px;
  }
}