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

:root {
  --navy: #1a2a3a;
  --navy-light: #2c4054;
  --gold: #c9a84c;
  --gold-light: #e0c46a;
  --white: #ffffff;
  --off-white: #f8f7f4;
  --gray-100: #f0efe9;
  --gray-200: #d9d7d0;
  --gray-600: #6b6b6b;
  --gray-800: #3d3d3d;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --max-width: 1200px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --radius: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

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

.logo a {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

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

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.25s;
}

.main-nav a:hover {
  color: var(--white);
}

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

.main-nav a.active {
  color: var(--gold);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: 0.3s;
}

/* ─── Hero ─── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #0f1a26 100%);
  color: var(--white);
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  max-width: 520px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.25s;
}

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

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-1px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 4px;
}

/* ─── Sections ─── */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--off-white);
}

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

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ─── About Preview (Home) ─── */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-preview-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
}

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

.about-preview-visual {
  background: var(--navy);
  border-radius: 12px;
  padding: 48px 40px;
  color: var(--white);
}

.about-preview-visual h3 {
  font-size: 1.3rem;
  color: var(--gold);
  margin-bottom: 8px;
}

.about-preview-visual p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.about-preview-visual .stat-row {
  display: flex;
  gap: 32px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ─── Services Grid ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--white);
  padding: 40px 32px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  border: 1px solid var(--gray-100);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--off-white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--gold);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ─── Page Header ─── */
.page-header {
  background: var(--navy);
  color: var(--white);
  padding: 80px 0 64px;
}

.page-header h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-header p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.1rem;
  max-width: 600px;
}

/* ─── About Page ─── */
.about-content {
  max-width: 800px;
}

.about-content h2 {
  font-size: 1.8rem;
  color: var(--navy);
  margin-bottom: 16px;
  margin-top: 48px;
}

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

.about-content p {
  color: var(--gray-600);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.about-card {
  background: var(--off-white);
  padding: 32px;
  border-radius: 12px;
}

.about-card h3 {
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 8px;
}

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

/* ─── Services Page ─── */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.service-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 40px 32px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all 0.3s;
}

.service-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}

.service-item-icon {
  width: 60px;
  height: 60px;
  background: var(--off-white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--gold);
}

.service-item h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.service-item p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* ─── Contact Page ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 1.8rem;
  color: var(--navy);
  margin-bottom: 16px;
}

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

.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  background: var(--off-white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--gold);
}

.contact-detail h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}

.contact-detail p {
  font-size: 0.92rem;
  color: var(--gray-600);
}

.contact-form {
  background: var(--off-white);
  padding: 40px;
  border-radius: 12px;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ─── Footer ─── */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 32px;
}

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

.footer-brand h3 {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand h3 span {
  color: var(--gold);
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    gap: 0;
    padding: 16px 24px;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .main-nav a::after {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 80px 0 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 24px;
  }

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

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-form {
    padding: 24px;
  }

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

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

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

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .hero-stat-value {
    font-size: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .service-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}