/* ==========================================================================
   Uberlogger Website - Minimalist Design System
   ========================================================================== */

/* CSS Variables - Uberlogger Brand Colors */
:root {
  --color-primary: #1863DC;
  --color-secondary: #1254b8;
  --color-accent: #1863DC;
  --color-highlight: #2a7ae8;
  --color-light: #e8f2ff;
  --color-white: #ffffff;
  --color-gray-50: #f4f4f4;
  --color-gray-100: #f0f0f0;
  --color-gray-200: #e5e5e5;
  --color-gray-300: #d4d4d4;
  --color-gray-500: #6b6b6b;
  --color-gray-700: #404040;
  --color-gray-900: #212121;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  --max-width: 1200px;
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-700);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-gray-900);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--color-highlight);
}

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

section {
  padding: var(--spacing-4xl) 0;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-links a {
  color: var(--color-gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-sm) 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-highlight);
  transition: width var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--color-gray-900);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-gray-700);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding-top: calc(70px + var(--spacing-4xl));
  padding-bottom: var(--spacing-4xl);
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.hero-text h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

.hero-text .subtitle {
  font-size: 1.25rem;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xl);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  width: 100%;
  max-width: 550px;
  height: auto;
}

.hero-image .device-placeholder {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  background: linear-gradient(145deg, var(--color-secondary), var(--color-primary));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-light);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

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

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Feature Cards */
.features {
  background: var(--color-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  padding: var(--spacing-xl);
  background: var(--color-gray-50);
  border-radius: 12px;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--color-highlight);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-gray-500);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.section-header p {
  color: var(--color-gray-500);
  font-size: 1.1rem;
}

/* Specs Table */
.specs-section {
  background: var(--color-gray-50);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.spec-group {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 1px solid var(--color-gray-200);
}

.spec-group h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-gray-200);
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.spec-item:last-child {
  border-bottom: none;
}

.spec-label {
  color: var(--color-gray-500);
}

.spec-value {
  font-weight: 500;
  color: var(--color-gray-900);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* Product Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.gallery-item {
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1;
  cursor: pointer;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  animation: lightbox-zoom 0.2s ease;
}

@keyframes lightbox-zoom {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
  transition: opacity var(--transition);
}

.lightbox-close:hover {
  opacity: 0.7;
}

/* Video Container */
.video-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.project-card {
  background: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition);
}

.project-card:hover {
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.15);
  transform: translateY(-4px);
}

.project-image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-light);
  font-family: var(--font-mono);
}

.project-content {
  padding: var(--spacing-xl);
}

.project-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-gray-100);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 50px;
  margin-bottom: var(--spacing-md);
}

.project-content h3 {
  margin-bottom: var(--spacing-sm);
}

.project-content p {
  color: var(--color-gray-500);
  font-size: 0.95rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
  margin-top: var(--spacing-md);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.about-image {
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  border-radius: 12px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.25rem;
}

.about-text h2 {
  margin-bottom: var(--spacing-lg);
}

.about-text p {
  margin-bottom: var(--spacing-lg);
}

.mission-box {
  background: var(--color-gray-50);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border-left: 4px solid var(--color-highlight);
  margin-top: var(--spacing-xl);
}

.mission-box h4 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.team-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.team-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-highlight), var(--color-accent));
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 2.5rem;
}

.team-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-lg);
  display: block;
  font-weight: 600;
}

.team-card h4 {
  margin-bottom: var(--spacing-xs);
}

.team-card .role {
  color: var(--color-highlight);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.team-card p {
  color: var(--color-gray-500);
  font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
  background: var(--color-gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
}

.contact-info h3 {
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.contact-item p {
  color: var(--color-gray-500);
  margin: 0;
}

/* Contact Form */
.contact-form {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 1px solid var(--color-gray-200);
}

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray-300);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-highlight);
}

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

/* Footer */
footer {
  background: #1a1a2e;
  color: #a0a0a0;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.footer-brand h3 span {
  color: var(--color-highlight);
}

.footer-brand p {
  color: #a0a0a0;
  line-height: 1.7;
}

.footer-links h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: var(--spacing-lg);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: #a0a0a0;
  font-size: 0.95rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.footer-bottom a {
  color: var(--color-gray-300);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

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

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

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

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(70px + var(--spacing-2xl));
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .btn-group {
    justify-content: center;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-xl); }
.mt-3 { margin-top: var(--spacing-2xl); }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-xl); }
.mb-3 { margin-bottom: var(--spacing-2xl); }

/* Code/Technical Styling */
code, .mono {
  font-family: var(--font-mono);
  background: var(--color-gray-100);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}