/* ===================================
   UPWOOD PRODUCTS - MAIN STYLESHEET
   =================================== */

/* CSS Variables / Design Tokens */
:root {
  /* Colors */
  --color-primary: #2D5A3D;
  --color-primary-dark: #1e3d29;
  --color-primary-light: #3d7a52;
  --color-secondary: #C9A227;
  --color-secondary-dark: #a8871f;
  --color-accent: #1a1a1a;
  --color-white: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-alt: #f0f2f0;
  --color-success: #28a745;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #e0e0e0;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --font-size-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --font-size-4xl: clamp(2.5rem, 2rem + 2.5vw, 3.5rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 3rem;
  --space-4xl: 4rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 80px;

  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-accent);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
}

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

.section-alt {
  background-color: var(--color-bg-light);
}

.section-dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

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

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

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

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-wrap { flex-wrap: wrap; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; }
.flex-column { flex-direction: column; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-accent);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.logo img {
  height: 75px;
  width: 130px;
  object-fit: cover;
  object-position: top;
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

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

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--color-white);
  padding: var(--space-sm) 0;
  position: relative;
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--color-secondary);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--color-white);
  transition: var(--transition);
}

@media (max-width: 992px) {
  .menu-toggle {
    display: flex;
  }

  .nav .btn {
    display: none;
  }

  .nav-list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-accent);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav-list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    color: var(--color-secondary);
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--color-secondary);
  }

  .nav-link::after {
    background: var(--color-secondary);
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

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

.btn-secondary:hover {
  background: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

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

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.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 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: 50px 50px;
  opacity: 0.5;
  pointer-events: none;
}

.hero > .container {
  grid-column: 1;
  padding: var(--space-3xl) var(--space-lg);
  display: flex;
  justify-content: flex-end;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  max-width: 550px;
  padding-right: var(--space-2xl);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.hero-description {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--space-2xl);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  height: 100%;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 100%;
  background: linear-gradient(to right, var(--color-primary-dark), transparent);
  z-index: 1;
}

.hero-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(45, 90, 61, 0.15);
  z-index: 1;
}

@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero > .container {
    padding: var(--space-4xl) var(--space-lg);
    justify-content: center;
  }

  .hero-image {
    min-height: 350px;
    order: -1;
  }

  .hero-image::before {
    width: 100%;
    height: 80px;
    top: auto;
    bottom: 0;
    background: linear-gradient(to top, var(--color-primary), transparent);
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
    padding-right: 0;
  }

  .hero-buttons {
    justify-content: center;
  }
}

/* ===================================
   CARDS
   =================================== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 200px;
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--color-bg-light);
}

.card-body {
  padding: var(--space-xl);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

/* Feature Cards */
.feature-card {
  text-align: center;
  padding: var(--space-2xl);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background: var(--color-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
}

.feature-card h3 {
  margin-bottom: var(--space-md);
}

/* Stat Cards */
.stat-card {
  text-align: center;
  padding: var(--space-2xl);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
}

.section-dark .stat-label {
  color: var(--color-white);
}

/* ===================================
   PRODUCT GRID
   =================================== */
.product-filters {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-light);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
}

.product-card .card-image {
  height: 250px;
}

.product-category {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-xs);
}

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

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

.section-header p {
  color: var(--color-text-light);
  font-size: var(--font-size-lg);
}

.section-header.light h2,
.section-header.light p {
  color: var(--color-white);
}

.section-header.light p {
  opacity: 0.9;
}

/* ===================================
   CERTIFICATIONS
   =================================== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.cert-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}

.cert-card:hover {
  transform: translateY(-3px);
}

.cert-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  background: var(--color-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
}

.cert-card h4 {
  margin-bottom: var(--space-sm);
}

.cert-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ===================================
   FACILITIES
   =================================== */
.facility-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.facility-card:nth-child(even) {
  direction: rtl;
}

.facility-card:nth-child(even) > * {
  direction: ltr;
}

.facility-image {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
}

.facility-content h3 {
  margin-bottom: var(--space-md);
}

.facility-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

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

.facility-stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.facility-stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .facility-card,
  .facility-card:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr !important;
    overflow: hidden;
  }

  .facility-card > *,
  .facility-card:nth-child(even) > * {
    direction: ltr !important;
    text-align: left;
    width: 100%;
    max-width: 100%;
  }

  .facility-content {
    padding: 0;
  }

  .facility-image {
    height: 250px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .facility-image .slideshow {
    width: 100%;
    max-width: 100%;
  }

  .facility-stats {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ===================================
   FORMS
   =================================== */
.form-group {
  margin-bottom: var(--space-lg);
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

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

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

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

/* Contact Form Box */
.contact-form-box {
  background: var(--color-white);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ===================================
   CONTACT INFO
   =================================== */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.contact-item h4 {
  margin-bottom: var(--space-xs);
}

.contact-item p,
.contact-item a {
  color: var(--color-text-light);
}

.contact-item a:hover {
  color: var(--color-primary);
}

/* Map */
.map-container {
  width: 100%;
  height: 300px;
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  margin-top: var(--space-xl);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-lg);
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--space-4xl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.footer-brand .logo-icon {
  background: var(--color-secondary);
  color: var(--color-accent);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-lg);
}

.footer-title {
  font-size: var(--font-size-lg);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

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

.footer-contact p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-sm);
}

.footer-contact p span {
  font-weight: 500;
  margin-right: var(--space-xs);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
  color: var(--color-secondary);
}

.footer-certs {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

.footer-cert {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.8);
}

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

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: background var(--transition);
}

.footer-social a:hover {
  background: var(--color-secondary);
  color: var(--color-accent);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===================================
   PAGE HEADERS
   =================================== */
.page-header {
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.page-header p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-sm);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb span {
  color: var(--color-secondary);
}

/* ===================================
   ABOUT PAGE
   =================================== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-image {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
}

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

  .about-image {
    height: 250px;
  }
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.value-card {
  text-align: center;
  padding: var(--space-xl);
}

.value-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

/* ===================================
   TIMELINE
   =================================== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--color-primary);
}

.timeline-item {
  position: relative;
  padding: var(--space-xl) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
  grid-column: 1;
}

.timeline-item:nth-child(odd) .timeline-date {
  grid-column: 2;
  text-align: left;
  padding-left: var(--space-2xl);
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 2;
  padding-left: var(--space-2xl);
}

.timeline-item:nth-child(even) .timeline-date {
  grid-column: 1;
  text-align: right;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: var(--space-xl);
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--color-secondary);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
}

.timeline-date {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 50px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    text-align: left;
    grid-column: 1;
    padding-left: 0;
  }

  .timeline-item:nth-child(odd) .timeline-date,
  .timeline-item:nth-child(even) .timeline-date {
    grid-column: 1;
    text-align: left;
    padding-left: 0;
  }

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

/* ===================================
   ANIMATIONS
   =================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===================================
   UTILITIES
   =================================== */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-2xl); }

.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* ===================================
   PASSWORD PROTECTION SCREEN
   =================================== */
.password-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.password-screen.hidden {
  display: none;
}

.password-box {
  background: var(--color-white);
  padding: var(--space-3xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  max-width: 400px;
  width: 90%;
}

.password-box .logo {
  margin-bottom: var(--space-xl);
  justify-content: center;
}

.password-box h2 {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-2xl);
}

.password-box p {
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.password-box .form-input {
  text-align: center;
  font-size: var(--font-size-lg);
  letter-spacing: 0.5em;
  margin-bottom: var(--space-lg);
}

.password-box .btn {
  width: 100%;
}

.password-error {
  color: #dc3545;
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
  display: none;
}

.password-error.show {
  display: block;
}

/* Hide main content when password screen is active */
body.password-locked .header,
body.password-locked main,
body.password-locked footer,
body.password-locked .hero,
body.password-locked .skip-link {
  display: none;
}

/* ===================================
   BACK TO TOP BUTTON
   =================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 768px) {
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 20px;
  }
}

/* ===================================
   IMAGE LOADING ANIMATION
   =================================== */
.img-loading {
  position: relative;
  overflow: hidden;
}

.img-loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    var(--color-bg-light) 0%,
    var(--color-bg-alt) 50%,
    var(--color-bg-light) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  z-index: 1;
}

.img-loading.loaded::before {
  display: none;
}

.img-loading img {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.img-loading.loaded img {
  opacity: 1;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ===================================
   IMAGE SLIDESHOW
   =================================== */
.slideshow {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.slideshow-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.slideshow-image.active {
  opacity: 1;
}

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

.slideshow-dots {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.slideshow-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: background var(--transition);
}

.slideshow-dot.active {
  background: var(--color-secondary);
}

.slideshow-dot:hover {
  background: rgba(255, 255, 255, 0.8);
}