:root {
  --primary: #0a0e27;
  --secondary: #1e293b;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --text: #f1f5f9;
  --text-muted: #cbd5e1;
  --border: #334155;
  --bg-overlay: rgba(10, 14, 39, 0.95);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background-color: var(--primary);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Header & Navigation */
header {
  background-color: var(--bg-overlay);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

a.logo img,
img.logo {
  display: block;
  height: 32px;
  width: auto;
  max-width: 100%;
}

footer img.logo {
  height: 28px;
  margin-bottom: 0.75rem;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-page {
  min-height: 50vh;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(15, 23, 42, 0.6) 100%);
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.45);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 850px;
  padding: 4rem 2rem;
  animation: fadeInUp 0.8s ease;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-weight: 300;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
}

.eyebrow.center {
  display: block;
  text-align: center;
}

.cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--primary);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
  color: var(--primary);
}

.cta-button.cta-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.cta-button.cta-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container.narrow {
  max-width: 800px;
}

.center { text-align: center; }

section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

section h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 2.5rem;
  text-align: center;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.alt-band {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
}

/* Intro grid (home page) */
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.intro-grid h2 {
  text-align: left;
  margin-bottom: 1.25rem;
}

.intro-grid > div > p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.stats-grid-wide {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem 1.25rem;
  text-align: center;
}

.stat-num {
  font-size: 2.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

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

/* Service Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  border-color: var(--accent);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.18);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.service-card p {
  color: var(--text-muted);
  line-height: 1.7;
}

/* Process steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.process-grid h3 {
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.process-grid p {
  color: var(--text-muted);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--primary);
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* Project case-study cards */
.case-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}

.case-card {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.case-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.case-card h3 {
  color: var(--accent);
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.case-card > p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.case-meta {
  list-style: none;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  display: grid;
  gap: 0.5rem;
}

.case-meta li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.case-meta strong {
  color: var(--text);
  font-weight: 600;
}

.case-meta span {
  color: var(--text-muted);
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
  text-align: center;
}

.cta-band h2 {
  margin-bottom: 1rem;
}

.cta-band p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

/* Contact grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
  align-items: start;
}

.contact-info h3 {
  color: var(--accent);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.contact-item {
  margin-bottom: 1.5rem;
}

.contact-item .label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.contact-item p:not(.label) {
  color: var(--text);
  line-height: 1.6;
}

.contact-item a {
  text-decoration: none;
  font-weight: 500;
}

/* Contact form */
.contact-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: 1.25rem;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background-color: var(--secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--primary);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
}

.form-status {
  margin-top: 1rem;
  text-align: center;
  display: none;
}

.map-section {
  border-bottom: 1px solid var(--border);
}

/* Footer */
footer {
  background-color: var(--secondary);
  border-top: 1px solid var(--border);
  padding-top: 3rem;
  margin-top: 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.footer-content h4 {
  color: var(--text);
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 600;
}

.footer-content p {
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.footer-content a {
  color: var(--text-muted);
  text-decoration: none;
}

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

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 900px) {
  .intro-grid,
  .contact-grid,
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .intro-grid h2 { text-align: center; }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0 1rem;
    flex-direction: column;
    gap: 1rem;
  }

  nav ul { gap: 1rem; justify-content: center; }
  nav a { font-size: 0.9rem; }

  section { padding: 3rem 0; }

  .container { padding: 0 1rem; }

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

  .case-list { grid-template-columns: 1fr; }

  .case-meta li {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }

  .hero h1 { font-size: 2.1rem; }
  .hero p { font-size: 1rem; }
}