:root {
  --navy: #0b2a4a;
  --blue: #1565a8;
  --teal: #1b9aaa;
  --light: #f3f7fa;
  --text: #1f2d3a;
  --muted: #5b6b79;
  --border: #dbe4ec;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: #fff;
}

a { color: var(--blue); }

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

/* Header */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  flex-wrap: wrap;
  gap: 8px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--navy);
  text-decoration: none;
}

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

nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

nav a:hover,
nav a.active {
  color: var(--blue);
  border-bottom-color: var(--teal);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: #fff;
  padding: 88px 0 96px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 780px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 640px;
  margin: 0 0 32px;
  color: #dbe9f6;
}

.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 56px 0;
}

.page-hero h1 { margin: 0 0 8px; font-size: 2.2rem; }
.page-hero p { margin: 0; color: #c9dcee; max-width: 680px; }

/* Background photos (free-license images from Unsplash and Pexels) */
.hero, .page-hero {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-hero { padding: 84px 0; }

.hero h1, .hero p, .page-hero h1, .page-hero p {
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.hero.bg-home {
  background-image:
    linear-gradient(135deg, rgba(11, 42, 74, 0.90) 0%, rgba(21, 101, 168, 0.62) 100%),
    url("https://images.unsplash.com/photo-1670912461796-81819c1e525b?auto=format&fit=crop&w=1920&q=70");
}

.page-hero.bg-services {
  background-image:
    linear-gradient(rgba(11, 42, 74, 0.86), rgba(11, 42, 74, 0.78)),
    url("https://images.pexels.com/photos/32141080/pexels-photo-32141080.jpeg?auto=compress&cs=tinysrgb&w=1920");
}

.page-hero.bg-about {
  background-image:
    linear-gradient(rgba(11, 42, 74, 0.86), rgba(11, 42, 74, 0.78)),
    url("https://images.pexels.com/photos/1216589/pexels-photo-1216589.jpeg?auto=compress&cs=tinysrgb&w=1920");
}

.page-hero.bg-contact {
  background-image:
    linear-gradient(rgba(11, 42, 74, 0.86), rgba(11, 42, 74, 0.78)),
    url("https://images.pexels.com/photos/11680715/pexels-photo-11680715.jpeg?auto=compress&cs=tinysrgb&w=1920");
}

@media (max-width: 640px) {
  .page-hero { padding: 56px 0; }
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  padding: 13px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s;
}

.btn:hover { background: #158391; }

.btn-outline {
  background: transparent;
  border: 2px solid #fff;
  margin-left: 12px;
}

.btn-outline:hover { background: rgba(255, 255, 255, 0.12); }

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--light); }

h2 {
  color: var(--navy);
  font-size: 1.9rem;
  margin: 0 0 12px;
}

.lead {
  color: var(--muted);
  max-width: 700px;
  margin: 0 0 40px;
  font-size: 1.08rem;
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}

.card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 1.15rem;
}

.card p { margin: 0; color: var(--muted); }

.card ul { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }

.icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(27, 154, 170, 0.12);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

/* Steps */
.steps { counter-reset: step; display: grid; gap: 20px; }

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  flex: 0 0 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.step h3 { margin: 0 0 4px; color: var(--navy); }
.step p { margin: 0; color: var(--muted); }

/* CTA band */
.cta {
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 64px 0;
}

.cta h2 { color: #fff; }
.cta p { color: #c9dcee; margin: 0 0 28px; }

/* Contact */
.contact-box {
  max-width: 640px;
}

.contact-box dt {
  font-weight: 600;
  color: var(--navy);
  margin-top: 20px;
}

.contact-box dd { margin: 4px 0 0; color: var(--muted); }

/* Footer */
.site-footer {
  background: #071c33;
  color: #9fb4c8;
  padding: 36px 0;
  font-size: 0.92rem;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer a { color: #cfe0f0; }

@media (max-width: 640px) {
  .hero { padding: 56px 0 64px; }
  .btn-outline { margin: 12px 0 0; }
  section { padding: 52px 0; }
}