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

:root {
  --primary: #2d3748;
  --secondary: #4a5568;
  --accent: #3182ce;
  --light: #f7fafc;
  --white: #ffffff;
  --gray: #e2e8f0;
  --text: #1a202c;
  --text-light: #718096;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

nav {
  display: flex;
  gap: 32px;
}

nav a {
  color: var(--secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

nav a:hover {
  color: var(--accent);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: 0.3s;
}

/* Hero */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.75rem;
  line-height: 1.2;
  color: var(--primary);
  margin-bottom: 24px;
  font-weight: 700;
}

.hero-text p {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 32px;
}

.hero-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

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

.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--accent);
  color: var(--white);
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

/* Sections */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.25rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.card h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Two Column Layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.two-col.reverse {
  direction: rtl;
}

.two-col.reverse > * {
  direction: ltr;
}

.two-col-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 32px rgba(0,0,0,0.08);
}

.two-col-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.two-col-text h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.two-col-text p {
  color: var(--text-light);
  margin-bottom: 16px;
}

/* Image Grid */
.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.image-grid img {
  border-radius: 12px;
  height: 240px;
  width: 100%;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

/* Services List */
.services-list {
  display: grid;
  gap: 24px;
}

.service-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 32px;
  background: var(--light);
  border-radius: 12px;
  align-items: start;
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
}

.service-item h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.service-item p {
  color: var(--text-light);
}

/* Contact Form */
.contact-section {
  background: var(--light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.contact-info p {
  color: var(--text-light);
  margin-bottom: 32px;
}

.contact-details {
  display: grid;
  gap: 20px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  flex-shrink: 0;
}

.contact-item-text h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-item-text p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin: 0;
}

.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--gray);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form .btn {
  width: 100%;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

/* Footer */
footer {
  background: var(--primary);
  color: var(--white);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--white);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
  padding: 60px 0;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.page-header p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Content Page */
.content-page {
  padding: 60px 0;
}

.content-page h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin: 32px 0 16px;
}

.content-page h2:first-child {
  margin-top: 0;
}

.content-page p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.content-page ul {
  color: var(--text-light);
  margin-left: 24px;
  margin-bottom: 16px;
}

.content-page li {
  margin-bottom: 8px;
}

/* Background Variations */
.bg-light {
  background: var(--light);
}

/* Responsive */
@media (max-width: 992px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: none;
  }

  nav.active {
    display: flex;
  }

  .hero-content,
  .two-col,
  .two-col.reverse,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .two-col.reverse {
    direction: ltr;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  section {
    padding: 60px 0;
  }
}