/* ========================================
   WSSO - Modern Professional Website
   CSS Framework
   ======================================== */

/* CSS Variables */
:root {
  /* Colors */
  --primary: #1e5f8a;
  --primary-dark: #14425f;
  --primary-light: #2a7cb0;
  --secondary: #e8a838;
  --secondary-dark: #c98a1a;
  --accent: #27ae60;
  --accent-light: #2ecc71;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Poppins', var(--font-primary);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

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

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;
}

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

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

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

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

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

p:last-child {
  margin-bottom: 0;
}

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

.container-wide {
  max-width: 1400px;
}

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

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-gray {
  background-color: var(--gray-50);
}

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

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

/* Section Header */
.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(--gray-500);
  font-size: 1.125rem;
}

.section-header .subtitle {
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
  display: block;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}

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

.logo img {
  height: 50px;
  width: auto;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

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

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

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  padding: var(--space-sm) 0;
  position: relative;
}

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

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

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

/* Dropdown */
.nav-item {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  color: var(--gray-700);
  font-size: 0.9375rem;
}

.dropdown-link:hover {
  background: var(--gray-50);
  color: var(--primary);
}

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

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

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: center;
}

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

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

.btn-secondary {
  background: var(--secondary);
  color: var(--gray-900);
}

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

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

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

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

.btn-white:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  color: var(--white);
}

.hero-subtitle {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

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

.hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

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

/* Page Hero (smaller) */
.page-hero {
  min-height: 400px;
  padding-top: 100px;
  padding-bottom: var(--space-3xl);
}

.page-hero .hero-content {
  max-width: 100%;
  text-align: center;
}

/* ========================================
   Cards
   ======================================== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--gray-500);
  font-size: 0.9375rem;
}

/* Service Card */
.service-card {
  text-align: center;
  padding: var(--space-2xl);
}

.service-card .icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background: var(--primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card .icon svg {
  width: 40px;
  height: 40px;
  fill: var(--white);
}

/* Team Card */
.team-card {
  text-align: center;
}

.team-card .card-img {
  height: 290px;
}

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

.team-card .role {
  color: var(--primary);
  font-weight: 500;
  font-size: 0.875rem;
}

/* ========================================
   Grid Layouts
   ======================================== */
.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);
}

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

.stat-item {
  text-align: center;
  padding: var(--space-xl);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--white);
  opacity: 0.9;
}

/* ========================================
   Gallery
   ======================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.gallery-item:hover::after {
  opacity: 1;
}

/* Certificates Grid (New) */
.certificate-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.certificate-item {
  position: relative;
  background: var(--white);
  padding: var(--space-md);
  border: 15px solid #f9fafb;
  /* Matte border */
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.05),
    /* Outline */
    0 10px 30px rgba(0, 0, 0, 0.1),
    /* Drop shadow */
    inset 0 0 20px rgba(0, 0, 0, 0.05);
  /* Inner depth */
  border-radius: 2px;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.certificate-item:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.05),
    0 20px 40px rgba(0, 0, 0, 0.15),
    inset 0 0 20px rgba(0, 0, 0, 0.05);
  z-index: 10;
}

.certificate-item img {
  width: 100%;
  height: auto;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
  .certificate-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}


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

.about-content h2 {
  margin-bottom: var(--space-lg);
}

.about-content p {
  margin-bottom: var(--space-md);
  color: var(--gray-600);
}

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

.about-image img {
  width: 100%;
  height: auto;
}

/* Features List */
.features-list {
  margin-top: var(--space-xl);
}

.feature-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.feature-item .icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-item .icon svg {
  width: 24px;
  height: 24px;
  fill: var(--white);
}

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

.feature-item p {
  color: var(--gray-500);
  font-size: 0.9375rem;
}

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

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

.cta-section p {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding-top: var(--space-4xl);
}

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

.footer-brand p {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-title {
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

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

.footer-links a {
  color: var(--gray-400);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-contact li {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
}

.footer-contact svg {
  width: 20px;
  height: 20px;
  fill: var(--primary-light);
  flex-shrink: 0;
  margin-top: 2px;
}

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

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.social-links svg {
  width: 20px;
  height: 20px;
  fill: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  margin-top: var(--space-3xl);
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* ========================================
   Utilities & Responsive
   ======================================== */
.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: var(--space-sm);
}

.mt-2 {
  margin-top: var(--space-md);
}

.mt-3 {
  margin-top: var(--space-lg);
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Breakpoints */
@media (max-width: 1024px) {
  :root {
    --space-4xl: 4rem;
  }
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-xl);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    z-index: 999;
  }

  .nav.active {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    align-items: flex-start;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    display: block;
    width: 100%;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-left: 2px solid var(--gray-100);
    margin-left: var(--space-md);
    display: none;
  }

  .nav-item.active .dropdown {
    display: block;
  }

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

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

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}


/* ========================================
   PKR Only Badge & Warnings
   ======================================== */
.pkr-badge {
  display: inline-block;
  background: #d32f2f;
  color: white;
  padding: 0.1rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  vertical-align: middle;
  margin-left: 0.25rem;
  text-transform: uppercase;
}

.pkr-warning {
  color: #d32f2f;
  font-weight: 700;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  display: block;
}

.pkr-banner {
  background: #fff3f3;
  border: 1px solid #ffcdd2;
  color: #c62828;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin: var(--space-md) 0 var(--space-lg);
  font-weight: 600;
  text-align: center;
  font-size: 1.1rem;
}