/* ============================================
   GENEALOGY RESEARCH - FUTURISTIC STYLES
   Time-Travel Navigation Interface Theme
   ============================================ */

:root {
  /* Colors - Neural Ancestry Theme */
  --color-bg-primary: #020617;
  --color-bg-secondary: #0f172a;
  --color-accent-primary: #2DD4BF;
  --color-accent-secondary: #FDE047;
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  
  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-secondary: 'Space Grotesk', 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(45, 212, 191, 0.1);
  --shadow-md: 0 4px 12px rgba(45, 212, 191, 0.15);
  --shadow-lg: 0 8px 24px rgba(45, 212, 191, 0.2);
  --shadow-glow: 0 0 20px rgba(45, 212, 191, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* Generative Grid Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(45, 212, 191, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 191, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
  animation: gridPulse 20s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

/* Floating Particles */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 30%, rgba(45, 212, 191, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(253, 224, 71, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: particleFloat 15s ease-in-out infinite;
}

@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(20px, -20px); }
  66% { transform: translate(-20px, 20px); }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-accent-primary);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-accent-secondary);
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(45, 212, 191, 0.2);
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-brand {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-accent-primary);
}

.header-nav {
  display: flex;
  gap: 15px;
  align-items: center;
  list-style: none;
}

.header-nav-link {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
}

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

.header-nav-link:hover {
  color: var(--color-accent-primary);
}

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

/* Burger Menu */
.burger-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-accent-primary);
  color: var(--color-accent-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--transition-base);
  position: relative;
  z-index: 100001;
}

.burger-toggle:hover {
  background: rgba(45, 212, 191, 0.1);
  box-shadow: var(--shadow-glow);
}

.burger-toggle.active {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .header-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-2xl) var(--space-lg);
    gap: var(--space-lg);
    border-left: 1px solid rgba(45, 212, 191, 0.2);
    transition: right var(--transition-base);
    z-index: 1000;
    overflow-y: auto;
  }

  .header-nav.active {
    right: 0;
  }

  .header-nav-link {
    font-size: 1.1rem;
    width: 100%;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(45, 212, 191, 0.1);
  }

  .burger-toggle {
    display: block;
  }
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--header-height) - 200px);
}

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

/* ============================================
   HERO BANNER (Full-Width)
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.hero-banner-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.4;
}

.hero-banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(2, 6, 23, 0.85), rgba(15, 23, 42, 0.75));
  z-index: 1;
}

.hero-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-2xl);
  max-width: 800px;
}

.hero-banner-title {
  margin-bottom: var(--space-lg);
  animation: assembleText 1s ease-out;
}

@keyframes assembleText {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-banner-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* ============================================
   SECTION STYLES
   ============================================ */

.content-section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-lg);
}

.section-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .section-content {
    grid-template-columns: 1fr;
  }
}

.section-content-reverse {
  direction: rtl;
}

.section-content-reverse > * {
  direction: ltr;
}

.section-text {
  padding: var(--space-lg);
  max-width: 600px;
  margin: 0 auto;
}

.section-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  margin: 0 auto;
}

.section-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
  max-height: 400px;
  object-fit: cover;
}

.section-image-wrapper:hover .section-image {
  transform: scale(1.05);
}

/* Grid Layout for Sections */
.section-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 992px) {
  .section-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section-grid {
    grid-template-columns: 1fr;
  }
}

.grid-item {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.grid-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(45, 212, 191, 0.1), transparent);
  transition: left var(--transition-slow);
}

.grid-item:hover::before {
  left: 100%;
}

.grid-item:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid var(--color-accent-primary);
  color: var(--color-accent-primary);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  margin-top: 10px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-accent-primary);
  transition: left var(--transition-base);
  z-index: -1;
}

.btn:hover::before {
  left: 0;
}

.btn:hover {
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  border-color: var(--color-accent-secondary);
  color: var(--color-accent-secondary);
}

.btn-secondary::before {
  background: var(--color-accent-secondary);
  color: black;
}

.btn-secondary:hover {
  color: var(--color-bg-primary);
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.form-checkbox {
  margin-top: 4px;
  cursor: pointer;
}

.form-checkbox-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

/* ============================================
   MAPS
   ============================================ */

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-xl) 0;
  border: 1px solid rgba(45, 212, 191, 0.2);
  box-shadow: var(--shadow-md);
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================
   PRODUCTS
   ============================================ */

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 992px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

.product-card {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.product-card:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-8px);
}

.product-title {
  color: var(--color-accent-primary);
  margin-bottom: var(--space-md);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-secondary);
  margin: var(--space-md) 0;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: rgba(2, 6, 23, 0.9);
  border-top: 1px solid rgba(45, 212, 191, 0.2);
  padding: var(--space-xl) 0;
  margin-top: var(--space-3xl);
  position: relative;
  z-index: 1;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.footer-section-title {
  color: var(--color-accent-primary);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.footer-nav {
  list-style: none;
}

.footer-nav-item {
  margin-bottom: var(--space-sm);
}

.footer-nav-link {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-nav-link:hover {
  color: var(--color-accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(45, 212, 191, 0.1);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ============================================
   PRIVACY POPUP
   ============================================ */

.privacy-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(45, 212, 191, 0.3);
  padding: var(--space-lg);
  z-index: 2000;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.privacy-popup.active {
  transform: translateY(0);
}

.privacy-popup-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.privacy-popup-text {
  flex: 1;
  min-width: 250px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.privacy-popup-link {
  color: var(--color-accent-primary);
  text-decoration: underline;
}

.privacy-popup-actions {
  display: flex;
  gap: var(--space-md);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mt-2xl {
  margin-top: var(--space-2xl);
}

.ml-md {
  margin-left: var(--space-md);
}

.text-large {
  font-size: 1.25rem;
  margin: var(--space-xl) 0;
}

.error-code {
  font-size: 6rem;
  margin-bottom: var(--space-md);
}

.button-group {
  margin-top: var(--space-2xl);
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.date {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
  }

  .hero-banner {
    min-height: 50vh;
  }

  .section-content {
    grid-template-columns: 1fr;
  }

  .section-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }

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

  .privacy-popup-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }

  .hero-banner-content {
    padding: var(--space-lg);
  }

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

/* ============================================
   ANIMATIONS & EFFECTS
   ============================================ */

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

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

.fade-in {
  animation: slideInUp 0.6s ease-out;
}

/* Connecting Lines Effect */
.connecting-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
  height: 2px;
  opacity: 0.3;
  animation: linePulse 3s ease-in-out infinite;
}

@keyframes linePulse {
  0%, 100% {
    opacity: 0.2;
    transform: scaleX(0.8);
  }
  50% {
    opacity: 0.6;
    transform: scaleX(1);
  }
}