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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #06b6d4;
  --background: #ffffff;
  --foreground: #0f172a;
  --muted: #64748b;
  --muted-bg: #f8fafc;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --radius: 0.75rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--foreground);
  background: var(--background);
  line-height: 1.6;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: 8px 16px;
  z-index: 100;
  transition: top 0.3s;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

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

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
  color: var(--primary);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.badge-light {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--foreground);
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.logo svg {
  width: 100%;
  height: 100%;
}

.logo-light {
  background: white;
  padding: 2px;
}

.brand-name {
  font-weight: 700;
  display: block;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--muted);
  display: none;
}

@media (min-width: 640px) {
  .brand-tagline {
    display: block;
  }
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-desktop a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-desktop a:hover {
  color: var(--foreground);
}

.nav-desktop .btn {
  margin-left: 0.5rem;
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
  .menu-toggle {
    display: none;
  }
}

.menu-toggle {
  padding: 0.5rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle.active .icon-menu {
  display: none;
}

.menu-toggle.active .icon-close {
  display: block;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  border-top: 1px solid var(--border);
}

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

.nav-mobile a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.nav-mobile a:hover {
  background: var(--muted-bg);
  color: var(--foreground);
}

@media (min-width: 768px) {
  .nav-mobile {
    display: none !important;
  }
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--muted-bg) 0%, white 100%);
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-content h1 {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--foreground) 0%, var(--muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .hero-content h1 {
    font-size: 3rem;
  }
}

.hero-content p {
  color: var(--muted);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-image {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 4rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* About Section */
.about {
  padding: 5rem 0;
}

.about-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-image {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
}

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

.about-content h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.about-content p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.iso-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .iso-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.iso-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--muted-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.iso-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.iso-badge {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.875rem;
}

.iso-name {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Services Section */
.services {
  padding: 5rem 0;
  background: var(--muted-bg);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--muted);
}

.services-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.service-card:hover {
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.service-icon svg {
  width: 24px;
  height: 24px;
  stroke: white;
}

.service-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Gallery Section */
.gallery {
  padding: 5rem 0;
}

.gallery-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s;
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s;
}

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

.gallery-overlay span {
  color: white;
  font-weight: 600;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
}

.contact-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-info p {
  opacity: 0.9;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  stroke: white;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.25rem;
}

.contact-item p {
  margin: 0;
  opacity: 0.8;
  font-size: 0.875rem;
}

.contact-form-wrapper {
  background: white;
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.contact-form h3 {
  color: var(--foreground);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  color: var(--foreground);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
}

/* Footer */
.footer {
  padding: 2.5rem 0;
  background: #0f172a;
  color: white;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-name {
  font-weight: 700;
  font-size: 1.125rem;
}

.footer-copy {
  font-size: 0.875rem;
  color: #94a3b8;
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

.footer-nav a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

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