:root {
  --blue: #0a6cff;
  --blue-dark: #0752c4;
  --ice: #eaf3ff;
  --ink: #12233a;
  --muted: #5b6b82;
  --line: #e3eaf3;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(10, 60, 130, 0.10);
}

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

html { scroll-behavior: smooth; }

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

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; }
.logo { color: var(--blue); display: flex; }
.nav { display: flex; gap: 24px; font-weight: 600; font-size: 0.95rem; }
.nav a { color: var(--muted); transition: color 0.2s; }
.nav a:hover { color: var(--blue); }
.cta-top {
  background: var(--blue);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: background 0.2s;
}
.cta-top:hover { background: var(--blue-dark); }

/* Hero */
.hero { position: relative; color: #fff; min-height: 72vh; display: flex; align-items: center; }
.hero-img { position: absolute; inset: 0; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(7, 40, 90, 0.85), rgba(7, 40, 90, 0.35));
}
.hero-content { position: relative; padding: 80px 0; max-width: 640px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.1; margin-bottom: 18px; }
.hero p { font-size: 1.15rem; opacity: 0.95; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { background: rgba(255, 255, 255, 0.15); color: #fff; border: 1px solid rgba(255,255,255,0.6); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.25); }

/* Quick info */
.quick-info { background: var(--blue); color: #fff; }
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 22px 0;
}
.qi { display: flex; flex-direction: column; }
.qi-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.8; }
.qi a:hover { text-decoration: underline; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--ice); }
.section-title { font-size: clamp(1.7rem, 3.5vw, 2.4rem); text-align: center; margin-bottom: 10px; }
.section-sub { text-align: center; color: var(--muted); margin-bottom: 44px; }

/* Service cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}
.card:hover { transform: translateY(-6px); }
.card-icon { color: var(--blue); margin-bottom: 16px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.93rem; }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.g-item { border-radius: var(--radius); overflow: hidden; position: relative; box-shadow: var(--shadow); }
.g-item img { width: 100%; height: 260px; object-fit: cover; transition: transform 0.4s; }
.g-item:hover img { transform: scale(1.05); }
.g-item figcaption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 26px 14px 12px;
  background: linear-gradient(transparent, rgba(7, 40, 90, 0.8));
  color: #fff; font-weight: 600; font-size: 0.9rem;
}

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-img img { border-radius: var(--radius); box-shadow: var(--shadow); height: 100%; object-fit: cover; }
.about-text .section-title { text-align: left; }
.about-text p { color: var(--muted); margin-bottom: 20px; }
.checklist { list-style: none; margin-bottom: 28px; }
.checklist li { padding: 8px 0 8px 30px; position: relative; font-weight: 500; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 8px;
  color: var(--blue); font-weight: 800;
}
.stats { display: flex; gap: 32px; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 1.8rem; color: var(--blue); }
.stat span { color: var(--muted); font-size: 0.85rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.ci { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.ci-icon { font-size: 1.5rem; line-height: 1.2; }
.ci h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.ci a:hover { color: var(--blue); text-decoration: underline; }
.social { display: flex; gap: 12px; margin-top: 8px; }
.social-btn {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; transition: background 0.2s, transform 0.2s;
}
.social-btn:hover { background: var(--blue-dark); transform: translateY(-3px); }

.contact-form { display: flex; flex-direction: column; gap: 14px; background: var(--white); padding: 28px; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); }
.contact-form input, .contact-form textarea {
  font-family: inherit; font-size: 0.95rem;
  padding: 13px 15px; border: 1px solid var(--line);
  border-radius: 10px; outline: none; transition: border 0.2s;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); }
.contact-form textarea { resize: vertical; }

/* Footer */
.footer { background: var(--ink); color: #cfd9e6; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 30px; padding: 50px 0; }
.footer strong { color: #fff; font-size: 1.1rem; }
.footer p { font-size: 0.9rem; margin-top: 6px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a:hover { color: var(--blue); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 18px 0; font-size: 0.85rem; }

/* Responsive */
@media (max-width: 900px) {
  .cards, .gallery { grid-template-columns: repeat(2, 1fr); }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav { display: none; }
  .cards, .gallery { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: 1fr 1fr; }
}