/* ========================================
   ZAMCOL Website - Main Styles
   ======================================== */

/* CSS Variables */
:root {
  /* Colors - Black, Gold & Grey Theme */
  --color-primary: #1a1a1a;
  --color-primary-dark: #000000;
  --color-primary-light: #2d2d2d;
  --color-accent: #e67e00;
  --color-accent-dark: #cc6600;
  --color-accent-light: #ffc107;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-light: #f5f5f5;
  --color-gray-medium: #9ca3af;
  --color-gray-dark: #374151;
  --color-success: #22c55e;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #06b6d4;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 2rem;
  --space-8: 2.5rem;
  --space-9: 3rem;

  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-dark);
  background-color: var(--color-white);
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  z-index: 10000;
}

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

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

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.header-logo img {
  height: 120px;
  width: auto;
}

/* Navigation */
.navbar {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  text-decoration: none;
  color: var(--color-gray-dark);
  font-weight: var(--font-weight-medium);
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-gray-dark);
  transition: all 0.3s ease;
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-4);
  z-index: 999;
}

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

.mobile-nav .nav-link {
  font-size: var(--font-size-lg);
  padding: var(--space-3) 0;
}

/* Hero Section */
.hero {
  position: relative;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  padding: var(--space-10) 0;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 60%, #000000 100%);
  background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 60%, #000000 100%);
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero[style*="background-image"] {
  background-position: center center;
}

.hero[style*="background-image"] {
  background-repeat: no-repeat;
}

.hero[style*="background-image"]::before {
  display: none;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='grid' width='40' height='40' patternUnits='userSpaceOnUse'%3E%3Cpath d='M 40 0 L 0 0 0 40' fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='1'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='100' height='100' fill='url(%23grid)'/%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(26, 26, 26, 0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.95;
  margin-bottom: var(--space-6);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-7);
}

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

.hero-stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  padding: var(--space-8) 0;
  text-align: center;
  color: var(--color-white);
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
}

.page-header[style*="background-image"]::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.75) 0%, rgba(26, 26, 26, 0.85) 100%);
  z-index: 0;
}

.page-header[style*="background-image"] > .container,
.page-header[style*="background-image"] h1,
.page-header[style*="background-image"] p {
  position: relative;
  z-index: 1;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v-2h4v-4h2v4h4v2h-4v4h4zM30 34v-4h-2v4h-4v-2h4v-4h2v4h4v2h-4v4h4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.page-header h1 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  position: relative;
  z-index: 1;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.page-header p {
  font-size: var(--font-size-lg);
  opacity: 0.95;
  margin-top: var(--space-2);
  position: relative;
  z-index: 1;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.page-header h1 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: var(--font-weight-bold);
}

.page-header p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-top: var(--space-2);
}

/* Breadcrumbs */
.breadcrumbs {
  background: var(--color-gray-light);
  padding: var(--space-3) 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.breadcrumb a {
  color: var(--color-gray-dark);
  text-decoration: none;
}

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

.breadcrumb-separator {
  color: var(--color-gray-medium);
}

.breadcrumb-item.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

/* Section */
.section {
  padding: var(--space-9) 0;
  position: relative;
}

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

.section-bg-light {
  background: linear-gradient(to bottom, #f8faf9 0%, #ffffff 100%);
}

.section-bg-pattern {
  background-color: var(--color-gray-light);
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23000000' fill-opacity='0.03'%3E%3Ccircle cx='1' cy='1' r='1'/%3E%3C/g%3E%3C/svg%3E");
}

.section-divider {
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent) 50%, transparent 100%);
  margin: var(--space-8) 0;
}

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

.bg-light {
  background: linear-gradient(to bottom, #f8faf9 0%, #ffffff 100%);
}

.bg-pattern {
  background-color: var(--color-gray-light);
  background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23000000' fill-opacity='0.03'%3E%3Ccircle cx='2' cy='2' r='1'/%3E%3C/g%3E%3C/svg%3E");
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Section Header */
.section-header {
  margin-bottom: var(--space-7);
}

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

.section-header-left {
  text-align: left;
}

.section-badge {
  display: inline-block;
  background: var(--color-gray-dark);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-dark);
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-medium);
  max-width: 700px;
  margin: 0 auto;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

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

/* Flex */
.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

/* Text Utilities */
.text-center {
  text-align: center;
}

.mt-5 {
  margin-top: var(--space-5);
}

.mt-6 {
  margin-top: var(--space-7);
}

/* Footer */
.footer {
  background: var(--color-gray-dark);
  color: var(--color-white);
  padding: var(--space-9) 0 var(--space-6);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}

.footer-column h4 {
  font-family: 'Poppins', sans-serif;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

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

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.footer-contact-icon {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-5);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-5);
  justify-content: center;
  margin-bottom: var(--space-4);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

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

.footer-copyright {
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* Responsive */
@media (max-width: 992px) {

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

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

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

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

/* Fade In Animation Class */
.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* Section Title Animation */
.section-header {
  animation: fadeIn 0.8s ease-out;
}

/* Card Animation */
.card {
  animation: scaleIn 0.5s ease-out;
}

/* Badge Animation */
.section-badge,
.card-badge,
.hero-badge {
  animation: fadeIn 0.6s ease-out 0.2s backwards;
}

/* Button Hover Animation */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

/* Pulse Animation for Important Elements */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Shine Effect */
@keyframes shine {
  0% {
    transform: translateX(-100%) skewX(-15deg);
  }
  100% {
    transform: translateX(200%) skewX(-15deg);
  }
}

.shine-effect {
  position: relative;
  overflow: hidden;
}

.shine-effect::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transform: translateX(-100%) skewX(-15deg);
  animation: shine 3s infinite;
}

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

@media (max-width: 992px) {
  .navbar {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

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

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

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-4);
  }
}

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

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

  .footer-bottom-links {
    flex-wrap: wrap;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  .section {
    padding: var(--space-7) 0;
  }

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