:root {
  --navy: #082b4a;
  --navy-2: #0a3a63;
  --ocean: #0e7fb0;
  --teal: #14b8a6;
  --accent: #1fa5c9;
  --sand: #f5f8fb;
  --white: #ffffff;
  --text: #233548;
  --muted: #5b6f82;
  --border: #e3ecf3;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: var(--white);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.lead { max-width: 780px; margin: 12px auto 40px; color: var(--muted); font-size: 1.06rem; }

h1, h2, h3, h4 { line-height: 1.2; color: var(--navy); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 14px; }
h3 { font-size: 1.25rem; }

.section { padding: 88px 0; }

/* ---------- Header ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.topbar-inner { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--navy); font-size: 1.05rem; }
.brand img { height: 44px; width: auto; }
.nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav > a { font-weight: 600; color: var(--navy); padding: 6px 2px; }
.nav > a:hover { color: var(--accent); }

.dropdown { position: relative; }
.dropbtn { font-weight: 600; color: var(--navy); padding: 6px 2px; cursor: pointer; }
.dropdown-menu {
  position: absolute; top: 100%; left: 0; min-width: 220px;
  background: var(--white); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 14px 30px rgba(8,43,74,.12);
  padding: 8px; display: none; flex-direction: column;
}
.dropdown:hover .dropdown-menu { display: flex; }
.dropdown-menu a { padding: 9px 12px; border-radius: 7px; font-weight: 500; }
.dropdown-menu a:hover { background: var(--sand); color: var(--accent); }

.topbar-contact { display: flex; flex-direction: column; gap: 2px; font-size: .82rem; color: var(--muted); }
.topbar-contact a:hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--navy); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 78vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(6,32,54,.88) 0%, rgba(6,32,54,.55) 60%, rgba(6,32,54,.3) 100%); }
.hero-inner { position: relative; z-index: 2; color: #fff; max-width: 820px; padding: 100px 24px; }
.hero-inner h1 { color: #fff; font-size: clamp(2.4rem, 5.5vw, 4rem); margin-bottom: 20px; }
.hero-sub { font-size: 1.2rem; color: #dbe9f3; max-width: 640px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn { display: inline-block; padding: 13px 26px; border-radius: 9px; font-weight: 700; font-size: 1rem; transition: transform .15s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #0f8fb3; }
.btn-ghost { border: 2px solid rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

/* ---------- About ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-text p { margin-bottom: 18px; color: var(--muted); }
.about-image img { border-radius: 16px; box-shadow: 0 24px 50px rgba(8,43,74,.18); }

/* ---------- Services ---------- */
.services { background: var(--sand); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 30px 26px; transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(8,43,74,.12); }
.card img { width: 60px; height: 60px; object-fit: contain; margin-bottom: 18px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .98rem; }

/* ---------- Values ---------- */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.value { background: var(--navy); color: #fff; border-radius: 14px; padding: 34px 28px; }
.value h3 { color: #fff; margin-bottom: 12px; }
.value p { color: #c6d8e6; }

/* ---------- Gallery ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.gallery-grid img { border-radius: 12px; height: 240px; width: 100%; object-fit: cover; transition: transform .18s ease; }
.gallery-grid img:hover { transform: scale(1.02); }

/* ---------- Contact ---------- */
.contact { background: var(--sand); }
.contact-info p { color: var(--muted); margin-bottom: 20px; }
.contact-list { list-style: none; margin-bottom: 24px; }
.contact-list li { margin-bottom: 10px; }
.contact-list a { color: var(--accent); font-weight: 600; }
.socials { display: flex; gap: 12px; flex-wrap: wrap; }
.socials a { background: #fff; border: 1px solid var(--border); padding: 8px 16px; border-radius: 20px; font-weight: 600; font-size: .9rem; }
.socials a:hover { background: var(--accent); color: #fff; }

.contact-form-wrap { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 34px; box-shadow: 0 20px 45px rgba(8,43,74,.08); }
.contact-form-wrap h3 { margin-bottom: 18px; }
.contact-form label { display: block; font-weight: 600; margin: 14px 0 6px; font-size: .92rem; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 9px;
  font: inherit; font-size: .98rem; color: var(--text);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.contact-form .btn { width: 100%; margin-top: 20px; border: 0; cursor: pointer; font: inherit; }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: #c6d8e6; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 { color: #fff; margin-bottom: 14px; font-size: 1rem; }
.footer-col a { display: block; margin-bottom: 8px; color: #c6d8e6; }
.footer-col a:hover { color: var(--teal); }
.footer-bottom { margin-top: 36px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); font-size: .85rem; color: #8ba6bc; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; gap: 32px; }
  .cards, .values-grid, .gallery-grid, .footer-grid { grid-template-columns: 1fr 1fr; }
  .topbar-contact { display: none; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border); flex-direction: column;
    align-items: flex-start; padding: 18px 24px; gap: 14px; margin: 0;
  }
  .nav.open { display: flex; }
  .dropdown-menu { position: static; display: flex; box-shadow: none; border: 0; padding: 6px 0 6px 12px; }
  .topbar-contact.open { display: flex; }
}
@media (max-width: 560px) {
  .cards, .values-grid, .gallery-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-inner { padding: 70px 20px; }
  .section { padding: 64px 0; }
}