/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', sans-serif; color: #222; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ── Variables ── */
:root {
  --blue: #1a3c6e;
  --blue-mid: #2358a8;
  --blue-light: #e8f0fb;
  --accent: #f5a623;
  --white: #fff;
  --gray: #f4f6fa;
  --text-muted: #555;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(0,0,0,.08);
  --transition: .3s ease;
}

/* ── Utilities ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 80px 0; }
.section-alt { background: var(--gray); }
.section-title { font-size: 2rem; color: var(--blue); margin-bottom: .5rem; }
.section-title.center, .section-sub.center { text-align: center; }
.section-sub { color: var(--text-muted); margin-bottom: 2.5rem; }
.btn { display: inline-block; padding: .75rem 1.75rem; border-radius: 30px; font-weight: 600; transition: var(--transition); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #e09418; }
.btn-outline { border: 2px solid #fff; color: #fff; margin-left: .75rem; }
.btn-outline:hover { background: #fff; color: var(--blue); }

/* ── Navbar ── */
#navbar {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  background: var(--blue); padding: .9rem 0;
  transition: box-shadow var(--transition);
}
#navbar.scrolled { box-shadow: 0 2px 12px rgba(0,0,0,.25); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: .6rem; color: #fff; font-size: 1.2rem; font-weight: 700; }
.logo i { font-size: 1.4rem; color: var(--accent); }
#nav-menu { display: flex; gap: 1.75rem; }
#nav-menu a { color: rgba(255,255,255,.85); font-size: .95rem; font-weight: 500; transition: color var(--transition); }
#nav-menu a:hover { color: var(--accent); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }

/* ── Hero ── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: url('https://images.unsplash.com/photo-1521791136064-7986c2920216?w=1600&auto=format&fit=crop&q=80') center/cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,60,110,.85) 0%, rgba(35,88,168,.75) 100%);
}
.hero-content { position: relative; z-index: 1; color: #fff; padding-top: 80px; }
.hero-content h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; margin-bottom: .5rem; }
.hero-content > p { font-size: 1.3rem; color: var(--accent); font-weight: 600; margin-bottom: .4rem; }
.hero-sub { color: rgba(255,255,255,.8); margin-bottom: 2rem; }
.hero-btns { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ── About ── */
.two-col { display: grid; grid-template-columns: 1fr auto; gap: 3rem; align-items: center; }
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.stats { display: flex; gap: 2rem; margin-top: 1.5rem; flex-wrap: wrap; }
.stat { text-align: center; }
.stat strong { display: block; font-size: 1.8rem; color: var(--blue-mid); font-weight: 800; }
.stat span { font-size: .85rem; color: var(--text-muted); }
.about-icon { font-size: 8rem; color: var(--blue-light); line-height: 1; }

/* ── Services ── */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.5rem; }
.card { background: #fff; border-radius: var(--radius); padding: 1.75rem 1.5rem; box-shadow: var(--shadow); text-align: center; transition: transform var(--transition), box-shadow var(--transition); }
.card:hover { transform: translateY(-6px); box-shadow: 0 8px 30px rgba(0,0,0,.12); }
.card i { font-size: 2.2rem; color: var(--blue-mid); margin-bottom: 1rem; }
.card h3 { color: var(--blue); margin-bottom: .5rem; font-size: 1rem; }
.card p { color: var(--text-muted); font-size: .88rem; }

/* ── Why Choose Us ── */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 2.5rem; }
.why-card { display: flex; gap: 1.25rem; align-items: flex-start; background: #fff; padding: 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.why-card i { font-size: 1.8rem; color: var(--accent); flex-shrink: 0; margin-top: .2rem; }
.why-card h3 { color: var(--blue); margin-bottom: .25rem; font-size: 1rem; }
.why-card p { color: var(--text-muted); font-size: .88rem; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item i { font-size: 1.4rem; color: var(--blue-mid); margin-top: .2rem; flex-shrink: 0; }
.contact-item strong { display: block; color: var(--blue); margin-bottom: .2rem; }
.contact-item span, .contact-item a { color: var(--text-muted); font-size: .95rem; }
.contact-item a:hover { color: var(--blue-mid); }
.map-placeholder iframe { border-radius: var(--radius); display: block; }

/* ── Footer ── */
footer { background: var(--blue); color: #fff; padding: 2.5rem 0; text-align: center; }
.footer-brand { display: flex; align-items: center; justify-content: center; gap: .6rem; font-size: 1.2rem; font-weight: 700; margin-bottom: .4rem; }
.footer-brand i { color: var(--accent); }
footer p { color: rgba(255,255,255,.7); font-size: .9rem; }
.footer-copy { margin-top: 1rem; font-size: .8rem; color: rgba(255,255,255,.5); }

/* ── Animations ── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  #nav-menu {
    display: none; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; width: 100%;
    background: var(--blue); padding: .5rem 0;
  }
  #nav-menu.open { display: flex; }
  #nav-menu a { padding: .75rem 1.5rem; border-top: 1px solid rgba(255,255,255,.08); }
  #navbar { position: relative; }
  .hero { min-height: auto; padding: 5rem 0 3rem; }
  .two-col { grid-template-columns: 1fr; }
  .about-icon { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats { gap: 1.25rem; }
  .btn-outline { margin-left: 0; }
}
@media (max-width: 480px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 1.6rem; }
}