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

:root {
  --primary: #1a3a5c;
  --primary-light: #2a5a8c;
  --accent: #c8a96e;
  --accent-hover: #b8954f;
  --white: #ffffff;
  --off-white: #f8f7f4;
  --gray-100: #f0efed;
  --gray-200: #d6d4d0;
  --gray-400: #9a9792;
  --gray-600: #5e5b57;
  --gray-800: #2d2b29;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.10);
  --radius: 12px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
}

a {
  text-decoration: none;
  color: inherit;
}

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

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  z-index: 1000;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
  position: relative;
}

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

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

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

.nav-cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  transition: background var(--transition);
}

.nav-cta:hover {
  background: var(--primary-light);
}

.nav-cta::after {
  display: none !important;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-content p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

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

.hero-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.hero-card-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.hero-card-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-card-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 24px;
}

.hero-card-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
}

.hero-card-row span:first-child {
  color: rgba(255, 255, 255, 0.6);
}

.hero-card-row span:last-child {
  color: var(--white);
  font-weight: 500;
}

/* Section common */
.section {
  padding: 100px 0;
}

.section-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.7;
}

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

.card {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 36px;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.card:hover {
  border-color: var(--gray-200);
  background: var(--white);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.card p {
  font-size: 0.92rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Stats */
.stats {
  background: var(--primary);
  color: var(--white);
  padding: 80px 0;
}

.stats .grid-3 {
  gap: 48px;
}

.stat-value {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Page header */
.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  text-align: center;
}

.page-header h1 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto;
}

/* About page */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--gray-600);
  margin-bottom: 16px;
  line-height: 1.8;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 12px;
}

.value-item {
  background: var(--off-white);
  padding: 24px;
  border-radius: 10px;
  border-left: 4px solid var(--accent);
}

.value-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.value-item p {
  font-size: 0.88rem;
  color: var(--gray-600);
  margin: 0;
}

/* Services page */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-100);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.service-detail p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-list {
  list-style: none;
}

.service-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gray-600);
  font-size: 0.95rem;
}

.service-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
}

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: var(--off-white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.8rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.contact-item-value {
  font-weight: 600;
  color: var(--primary);
}

.contact-form {
  background: var(--off-white);
  padding: 40px;
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--white);
  color: var(--gray-800);
}

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

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

/* Footer */
.footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer a {
  display: block;
  font-size: 0.88rem;
  padding: 4px 0;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero .container,
  .about-content,
  .service-detail,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .hero-visual {
    display: none;
  }

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

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

  .nav {
    display: none;
  }

  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
    gap: 16px;
  }

  .mobile-toggle {
    display: block;
  }
}

@media (max-width: 600px) {
  .grid-3,
  .values-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .contact-form {
    padding: 24px;
  }

  .stats .grid-3 {
    gap: 32px;
  }
}