/* ============================================================================
   AAMPL Corporate Website - Master Stylesheet
   Modern Industrial Design System for Precision Automotive Manufacturing
   ========================================================================== */

/* ============================================================================
   1. CSS VARIABLES & THEME SETUP
   ========================================================================== */

:root {
  /* Primary Brand Colors */
  --primary-green: #1C9770;
  --primary-green-dark: #166A54;
  --primary-green-light: #2DB087;

  /* Accent Colors (from logo) */
  --accent-red: #E53935;
  --accent-blue: #1565C0;

  /* Dark & Neutral */
  --bg-dark: #1F2937;
  --bg-darker: #111827;
  --bg-light: #F9FAFB;
  --bg-white: #FFFFFF;
  --bg-gray: #F3F4F6;

  /* Text Colors */
  --text-dark: #1F2937;
  --text-medium: #6B7280;
  --text-light: #9CA3AF;
  --text-white: #FFFFFF;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

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

  /* Responsive Section Padding */
  --section-padding-desktop: 80px 0;
  --section-padding-tablet: 60px 0;
  --section-padding-mobile: 48px 0;

  /* Breakpoints */
  --bp-mobile: 576px;
  --bp-tablet: 768px;
  --bp-desktop: 1024px;

  /* Container */
  --container-max: 1200px;
  --container-padding: 40px;

  /* Border & Shadows */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

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

/* ============================================================================
   2. RESET & BASE STYLES
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
}

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

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

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

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

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

/* ============================================================================
   3. UTILITY CLASSES
   ========================================================================== */

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

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

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

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

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

.text-white {
  color: var(--text-white);
}

.bg-dark {
  background-color: var(--bg-dark);
}

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

.hidden {
  display: none !important;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-green-dark);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background-color: var(--primary-green);
  color: var(--text-white);
}

.fade-in {
  opacity: 0;
  animation: fadeIn var(--transition-slow) ease-in forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================================
   4. NAVBAR / HEADER
   ========================================================================== */

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
}

.navbar-brand img {
  height: 45px;
  width: auto;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.navbar-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-base);
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--primary-green);
}

.navbar-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--primary-green);
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--container-padding);
  }

  .navbar-menu {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }
}

/* ============================================================================
   5. HERO SECTION
   ========================================================================== */

.hero {
  position: relative;
  width: 100%;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(31, 41, 55, 0.85) 0%, rgba(31, 41, 55, 0.75) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--text-white);
  max-width: 800px;
  margin-bottom: var(--spacing-2xl);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  font-weight: 800;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero .tagline {
  font-size: 1.5rem;
  font-weight: 400;
  color: #E8E8E8;
  margin-bottom: var(--spacing-lg);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.badge {
  display: inline-block;
  background-color: rgba(28, 151, 112, 0.2);
  border: 1px solid var(--primary-green);
  color: var(--text-white);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.hero-video {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 60%;
  aspect-ratio: 16 / 9;
  margin-top: var(--spacing-2xl);
}

.hero-video iframe {
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
  border: none;
  box-shadow: var(--shadow-xl);
}

@media (max-width: 768px) {
  .hero {
    min-height: 400px;
  }

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

  .hero .tagline {
    font-size: 1.125rem;
  }

  .hero-video {
    max-width: 90%;
  }
}

/* ============================================================================
   6. STATS SECTION ("AT A GLANCE")
   ========================================================================== */

.stats-section {
  padding: var(--section-padding-desktop);
  background-color: var(--bg-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.stat-card {
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border-left: 5px solid var(--primary-green);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.stat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-green);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-medium);
  font-weight: 500;
}

.stat-description {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: var(--spacing-sm);
}

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .stats-section {
    padding: var(--section-padding-mobile);
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* ============================================================================
   7. ABOUT SECTION
   ========================================================================== */

.about-section {
  padding: var(--section-padding-desktop);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-content h2 {
  color: var(--bg-dark);
  margin-bottom: var(--spacing-lg);
}

.about-content p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
  color: var(--text-medium);
}

.about-image {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

@media (max-width: 768px) {
  .about-section {
    padding: var(--section-padding-mobile);
  }

  .about-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

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

/* ============================================================================
   8. CAPABILITIES / SERVICES GRID
   ========================================================================== */

.capabilities-section {
  padding: var(--section-padding-desktop);
  background-color: var(--bg-light);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.capability-card {
  position: relative;
  height: 280px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.capability-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(28, 151, 112, 0.8) 0%, rgba(31, 41, 55, 0.9) 100%);
  z-index: 1;
  transition: opacity var(--transition-base);
}

.capability-card img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.capability-card:hover::before {
  opacity: 0.7;
}

.capability-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  z-index: 2;
  text-align: center;
}

.capability-content h3 {
  color: var(--text-white);
  font-size: 1.5rem;
  margin: 0;
}

.capability-content p {
  color: #E8E8E8;
  font-size: 0.9rem;
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

@media (max-width: 1024px) {
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .capabilities-section {
    padding: var(--section-padding-mobile);
  }

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

/* ============================================================================
   9. CUSTOMER LOGOS SECTION
   ========================================================================== */

.customers-section {
  padding: var(--section-padding-desktop);
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.logo-item {
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border: 1px solid #E5E7EB;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  transition: all var(--transition-base);
}

.logo-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-green);
}

.logo-item img {
  max-height: 50px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1);
  transition: filter var(--transition-base);
}

.logo-item:hover img {
  filter: grayscale(0);
}

@media (max-width: 1024px) {
  .logos-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .customers-section {
    padding: var(--section-padding-mobile);
  }

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

  .logo-item {
    min-height: 100px;
    padding: var(--spacing-md);
  }
}

/* ============================================================================
   10. PHOTO GALLERY GRID
   ========================================================================== */

.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.photo-grid img {
  border-radius: var(--border-radius);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  width: 100%;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.photo-grid img:hover {
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

@media (max-width: 1024px) {
  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .photo-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

/* ============================================================================
   11. PAGE HEADER BANNER (SUBPAGES)
   ========================================================================== */

.page-header {
  position: relative;
  width: 100%;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 41, 55, 0.85) 0%, rgba(31, 41, 55, 0.75) 100%);
  z-index: 1;
}

.page-header h1 {
  position: relative;
  z-index: 2;
  color: var(--text-white);
  font-size: 2.5rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .page-header {
    height: 200px;
  }

  .page-header h1 {
    font-size: 1.5rem;
  }
}

/* ============================================================================
   12. DATA TABLES
   ========================================================================== */

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.data-table thead {
  background-color: var(--bg-dark);
  color: var(--text-white);
}

.data-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 0.95rem;
}

.data-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid #E5E7EB;
  color: var(--text-medium);
}

.data-table tbody tr:hover {
  background-color: var(--bg-light);
}

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

/* ============================================================================
   13. FOOTER
   ========================================================================== */

footer {
  background-color: var(--bg-dark);
  color: var(--text-white);
  padding: var(--section-padding-desktop);
}

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

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

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

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

.footer-section a {
  color: #D1D5DB;
  transition: color var(--transition-base);
}

.footer-section a:hover {
  color: var(--primary-green);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: #9CA3AF;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  footer {
    padding: var(--section-padding-mobile);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* ============================================================================
   14. RESPONSIVE UTILITIES
   ========================================================================== */

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.25rem; }

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

  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ============================================================================
   15. ANIMATION & SCROLL EFFECTS
   ========================================================================== */

.fade-in-up {
  animation: fadeInUp var(--transition-slow) ease-in forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  animation: slideInLeft var(--transition-slow) ease-in forwards;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight var(--transition-slow) ease-in forwards;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================================================
   16. FORM ELEMENTS
   ========================================================================== */

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

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text-dark);
}

input[type="text"],
input[type="email"],
input[type="phone"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid #D1D5DB;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="phone"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(28, 151, 112, 0.1);
}

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

/* ============================================================================
   17. PRINT STYLES
   ========================================================================== */

@media print {
  body {
    background: white;
  }

  header, footer, .no-print {
    display: none;
  }
}