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

:root {
  --slate: #2c4a6e;
  --slate-dark: #1e3349;
  --slate-light: #3d5f8a;
  --bg: #f2f4f6;
  --white: #ffffff;
  --border: #d8dde3;
  --text: #2a2f36;
  --muted: #5c6570;
  --accent: #4a7ab5;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--slate); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  background: var(--slate);
  border-bottom: 3px solid var(--accent);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 16px 24px;
  max-width: 1140px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 3px;
  padding: 5px;
  border-radius: 2px;
}

.logo-mark span {
  background: var(--slate);
  border-radius: 1px;
}

.logo-mark span:nth-child(2) { background: var(--accent); }
.logo-mark span:nth-child(3) { background: var(--accent); opacity: 0.6; }

.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  list-style: none;
  justify-content: center;
}

.main-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--white);
  border-bottom-color: var(--accent);
}

.header-cta {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-align: center;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

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

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

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

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

.btn-secondary:hover {
  border-color: var(--slate);
  color: var(--slate);
}

/* Hero */
.hero {
  background: var(--slate);
  color: var(--white);
  padding: 72px 0;
  border-bottom: 1px solid var(--slate-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 28px;
  max-width: 480px;
}

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

.stat-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 20px;
  border-radius: 2px;
}

.stat-card strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.stat-card span {
  font-size: 0.8125rem;
  opacity: 0.75;
}

/* Page header */
.page-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 48px 0 40px;
}

.page-header h1 {
  font-size: 2rem;
  color: var(--slate);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.page-header p {
  color: var(--muted);
  max-width: 640px;
}

.breadcrumb {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--slate); }

/* Sections */
section { padding: 56px 0; }

.section-title {
  font-size: 1.5rem;
  color: var(--slate);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 560px;
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 28px;
}

.card h3 {
  font-size: 1.0625rem;
  color: var(--slate);
  margin-bottom: 10px;
}

.card p {
  color: var(--muted);
  font-size: 0.9375rem;
}

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--slate);
  font-size: 0.875rem;
  margin-bottom: 16px;
  border-radius: 2px;
}

.card-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--slate);
  margin: 16px 0 8px;
}

.card-price span {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
}

.card ul {
  list-style: none;
  margin: 16px 0;
}

.card ul li {
  padding: 6px 0;
  font-size: 0.875rem;
  color: var(--muted);
  border-bottom: 1px solid var(--bg);
  padding-left: 16px;
  position: relative;
}

.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 1px;
  background: var(--slate);
}

.card-featured {
  border-color: var(--slate);
  border-width: 2px;
}

/* Content blocks */
.content-block {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 40px;
  margin-bottom: 24px;
  border-radius: 2px;
}

.content-block h2 {
  font-size: 1.25rem;
  color: var(--slate);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.content-block h3 {
  font-size: 1.0625rem;
  color: var(--slate);
  margin: 24px 0 10px;
}

.content-block p,
.content-block li {
  color: var(--muted);
  font-size: 0.9375rem;
  margin-bottom: 12px;
}

.content-block ul,
.content-block ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.content-block ul li,
.content-block ol li {
  margin-bottom: 8px;
}

/* Process steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  background: var(--white);
}

.process-step {
  padding: 28px 24px;
  border-right: 1px solid var(--border);
  position: relative;
}

.process-step:last-child { border-right: none; }

.step-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.process-step h3 {
  font-size: 1rem;
  color: var(--slate);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--muted);
}

/* FAQ */
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  border-radius: 2px;
}

.faq-item summary {
  padding: 18px 24px;
  font-weight: 600;
  color: var(--slate);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item[open] summary {
  border-bottom: 1px solid var(--border);
}

.faq-answer {
  padding: 18px 24px;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: inherit;
  font-size: 0.9375rem;
  background: var(--white);
}

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

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

.contact-info-card {
  background: var(--slate);
  color: var(--white);
  padding: 32px;
  border-radius: 2px;
}

.contact-info-card h3 {
  margin-bottom: 20px;
  font-size: 1.125rem;
}

.contact-info-card p {
  margin-bottom: 14px;
  font-size: 0.9375rem;
  opacity: 0.9;
}

.contact-info-card a {
  color: var(--white);
  text-decoration: underline;
}

/* Footer */
.site-footer {
  background: var(--slate-dark);
  color: rgba(255,255,255,0.75);
  margin-top: 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 24px;
  max-width: 1140px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

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

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  max-width: 1140px;
  margin: 0 auto;
  font-size: 0.8125rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.55);
  margin-left: 20px;
}

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

/* CTA band */
.cta-band {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.cta-inner h2 {
  font-size: 1.375rem;
  color: var(--slate);
}

.cta-inner p {
  color: var(--muted);
  margin-top: 4px;
}

.cta-buttons {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* Portfolio / projects */
.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  overflow: hidden;
  border-radius: 2px;
}

.project-thumb {
  height: 180px;
  background: linear-gradient(135deg, var(--bg) 0%, #e4e8ec 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  color: var(--slate);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-body {
  padding: 24px;
}

.project-body h3 {
  font-size: 1rem;
  color: var(--slate);
  margin-bottom: 8px;
}

.project-body p {
  font-size: 0.875rem;
  color: var(--muted);
}

.project-meta {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--muted);
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--slate);
  border-radius: 2px;
}

/* Areas list */
.area-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.area-item:last-child { border-bottom: none; }

.area-code {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--slate);
  opacity: 0.4;
}

.area-item h3 {
  font-size: 1.0625rem;
  color: var(--slate);
  margin-bottom: 6px;
}

.area-item p {
  font-size: 0.9375rem;
  color: var(--muted);
}

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

.sitemap-col h3 {
  font-size: 0.9375rem;
  color: var(--slate);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--slate);
}

.sitemap-col ul {
  list-style: none;
}

.sitemap-col li {
  margin-bottom: 8px;
}

.sitemap-col a {
  font-size: 0.875rem;
  color: var(--muted);
}

.sitemap-col a:hover { color: var(--slate); }

/* Legal pages */
.legal-content {
  max-width: 780px;
}

.legal-content h2 {
  font-size: 1.125rem;
  color: var(--slate);
  margin: 32px 0 12px;
}

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

.legal-content p,
.legal-content li {
  font-size: 0.9375rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

/* Service detail */
.service-hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: start;
}

.service-sidebar {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: 2px;
  position: sticky;
  top: 90px;
}

.service-sidebar h3 {
  font-size: 1rem;
  color: var(--slate);
  margin-bottom: 16px;
}

.service-sidebar ul {
  list-style: none;
  margin-bottom: 20px;
}

.service-sidebar li {
  padding: 8px 0;
  font-size: 0.875rem;
  color: var(--muted);
  border-bottom: 1px solid var(--bg);
}

/* Responsive */
@media (max-width: 900px) {
  .header-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .main-nav ul { justify-content: center; }
  .header-cta { justify-content: center; }
  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .contact-grid,
  .service-hero,
  .footer-top,
  .sitemap-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-step { border-bottom: 1px solid var(--border); }
  .hero h1 { font-size: 2rem; }
  .cta-inner { flex-direction: column; text-align: center; }
  .hero-stats { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .process-steps { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-bottom a { margin: 0 8px; }
}