/* ========================================
   SHARED METAL 3D PRINTING WEBSITE STYLES
   ======================================== */

:root {
  /* Color Palette - Metal-inspired */
  --primary-titanium: #607D8B;
  --primary-steel: #2C3E50;
  --primary-dmls: #34495E;
  --primary-precious: #D4AF37;
  --primary-micro: #1A5490;
  --primary-general: #16A085;

  --accent-light: #ECF0F1;
  --accent-dark: #2C3E50;
  --accent-warning: #E74C3C;
  --accent-success: #27AE60;

  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-heading: 'Trebuchet MS', sans-serif;
  --font-mono: 'Courier New', monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-metal: 0 8px 24px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

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

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: #1a1a1a;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-normal);
}

/* ========================================
   NAVIGATION STYLES
   ======================================== */

.navbar {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(245, 245, 245, 0.98) 100%);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  border-bottom: 2px solid #e0e0e0;
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.navbar-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: var(--spacing-xs) 0;
}

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

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

.cta-button {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  font-weight: 600;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Mobile Navigation */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .navbar-toggle {
    display: block;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
  }

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

  .navbar-nav a {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid #e0e0e0;
  }
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  overflow: hidden;
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="dots" x="0" y="0" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect fill="url(%23dots)" width="1200" height="600"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  animation: fadeInDown 0.8s ease-out;
  color: white;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 0.8s ease-out 0.2s both;
  opacity: 0.95;
}

.hero-cta {
  display: inline-flex;
  gap: var(--spacing-md);
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: white;
  color: #667eea;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-secondary:hover {
  background: white;
  color: #667eea;
}

/* ========================================
   CONTAINER & SECTIONS
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

section {
  padding: var(--spacing-xxl) var(--spacing-lg);
  border-bottom: 1px solid #e0e0e0;
}

section:nth-child(even) {
  background: #f8f9fa;
}

section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  padding-bottom: var(--spacing-md);
}

section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  border-radius: 2px;
}

/* ========================================
   GRID & CARDS
   ======================================== */

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.8rem; }
}

.card {
  background: white;
  border-radius: 12px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border-top: 4px solid transparent;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.card h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.4rem;
}

.card-icon {
  width: 60px;
  height: 60px;
  margin-bottom: var(--spacing-md);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

/* ========================================
   FEATURE SECTIONS
   ======================================== */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-image {
  position: relative;
}

.feature-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

.feature-image::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
}

.feature-content h3 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.feature-list {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.feature-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  font-size: 1rem;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  font-weight: 700;
  font-size: 1.2rem;
}

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

  .feature-row.reverse {
    direction: ltr;
  }
}

/* ========================================
   TESTIMONIALS & STATS
   ======================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1.1rem;
  color: #666;
  font-weight: 500;
}

.testimonial {
  background: white;
  padding: var(--spacing-lg);
  border-radius: 12px;
  border-left: 5px solid;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.testimonial p {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: #555;
}

.testimonial-author {
  font-weight: 600;
  color: #333;
}

.testimonial-role {
  font-size: 0.9rem;
  color: #999;
}

/* ========================================
   TIMELINE
   ======================================== */

.timeline {
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, #667eea, #764ba2);
}

.timeline-item {
  margin-bottom: var(--spacing-xl);
  width: 48%;
}

.timeline-item:nth-child(odd) {
  margin-left: 0;
  text-align: right;
  padding-right: var(--spacing-lg);
}

.timeline-item:nth-child(even) {
  margin-left: 52%;
  padding-left: var(--spacing-lg);
}

.timeline-content {
  background: white;
  padding: var(--spacing-lg);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

.timeline-dot {
  position: absolute;
  width: 20px;
  height: 20px;
  background: white;
  border: 4px solid #667eea;
  border-radius: 50%;
  left: 50%;
  transform: translateX(-50%);
  top: var(--spacing-lg);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 30px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    width: 100%;
    margin: 0;
    padding-left: 80px;
    text-align: left;
  }

  .timeline-dot {
    left: 20px;
  }
}

/* ========================================
   MATERIAL SPECS TABLE
   ======================================== */

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  background: white;
  box-shadow: var(--shadow-md);
  border-radius: 8px;
  overflow: hidden;
}

.specs-table thead {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}

.specs-table th,
.specs-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid #e0e0e0;
}

.specs-table tr:hover {
  background: #f8f9fa;
}

.specs-table tr:last-child td {
  border-bottom: none;
}

/* ========================================
   FORMS
   ======================================== */

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: #333;
}

.form-control {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid #e0e0e0;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-submit {
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.form-message {
  padding: var(--spacing-md);
  border-radius: 6px;
  margin-bottom: var(--spacing-lg);
  display: none;
}

.form-message.success {
  background: #d4edda;
  color: #155724;
  border: 2px solid #27ae60;
  display: block;
}

.form-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 2px solid #e74c3c;
  display: block;
}

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

footer {
  background: #2c3e50;
  color: #ecf0f1;
  padding: var(--spacing-xxl) var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  display: block;
  padding: var(--spacing-xs) 0;
  color: #bdc3c7;
  transition: color var(--transition-normal);
}

.footer-section a:hover {
  color: white;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  font-size: 1.2rem;
  transition: all var(--transition-normal);
  padding: 0;
}

.social-links a:hover {
  background: white;
  color: #2c3e50;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: #95a5a6;
}

/* ========================================
   NEWS/BLOG FEED
   ======================================== */

.news-feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.news-item {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.news-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.news-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.news-date {
  font-size: 0.85rem;
  color: #999;
  margin-bottom: var(--spacing-sm);
}

.news-item h4 {
  margin-bottom: var(--spacing-md);
  color: #333;
  flex-grow: 1;
}

.news-item p {
  margin-bottom: var(--spacing-md);
  color: #666;
  font-size: 0.95rem;
}

.news-link {
  color: #667eea;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.news-link:hover {
  gap: var(--spacing-sm);
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

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

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

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

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

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.pt-1 { padding-top: var(--spacing-sm); }
.pt-2 { padding-top: var(--spacing-md); }
.pt-3 { padding-top: var(--spacing-lg); }
.pt-4 { padding-top: var(--spacing-xl); }

.pb-1 { padding-bottom: var(--spacing-sm); }
.pb-2 { padding-bottom: var(--spacing-md); }
.pb-3 { padding-bottom: var(--spacing-lg); }
.pb-4 { padding-bottom: var(--spacing-xl); }

.opacity-75 { opacity: 0.75; }
.opacity-50 { opacity: 0.5; }

.no-wrap { white-space: nowrap; }

/* Print Styles */
@media print {
  .navbar, footer, .cta-button {
    display: none;
  }

  body {
    font-size: 12pt;
    color: black;
    background: white;
  }
}