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

body { font-family: 'Segoe UI', sans-serif; color: #333; line-height: 1.7; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ── Header ─────────────────────────────────────────── */
.site-header { background: #fff; border-bottom: 1px solid #eee; padding: 16px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.4rem; font-weight: 700; text-decoration: none; color: #0d3b6e; }
.logo span { color: #0073aa; }
.nav-links { list-style: none; display: flex; gap: 32px; }
.nav-links a { text-decoration: none; color: #333; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: #0073aa; }

/* ── Buttons ─────────────────────────────────────────── */
.btn { display: inline-block; padding: 13px 30px; background: #0073aa; color: #fff; border-radius: 6px; text-decoration: none; border: none; cursor: pointer; font-size: 1rem; font-weight: 600; transition: background 0.2s; }
.btn:hover { background: #005d8c; }
.btn-outline { background: transparent; border: 2px solid #fff; color: #fff; margin-left: 12px; }
.btn-outline:hover { background: #fff; color: #0073aa; }
.btn-white { background: #fff; color: #0073aa; }
.btn-white:hover { background: #e6f4ff; }
#submitBtn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Hero ─────────────────────────────────────────────── */
.hero { background: linear-gradient(135deg, #0d3b6e, #0073aa); color: #fff; padding: 130px 0; text-align: center; position: relative; }
.hero .container { position: relative; z-index: 2; }
.hero h1 { font-size: 2.8rem; margin-bottom: 20px; line-height: 1.3; text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.hero p { font-size: 1.15rem; margin-bottom: 36px; opacity: 0.95; max-width: 680px; margin-left: auto; margin-right: auto; text-shadow: 0 1px 4px rgba(0,0,0,0.3); }

/* ── Features / Why Choose Us ────────────────────────── */
.features { padding: 80px 0; background: #f4f8fc; text-align: center; }
.features h2 { font-size: 2rem; margin-bottom: 12px; color: #0d3b6e; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin-top: 40px; }
.feature-card { background: #fff; padding: 36px 24px; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.feature-icon { font-size: 2.2rem; display: block; margin-bottom: 14px; }
.feature-card h3 { margin-bottom: 10px; color: #0d3b6e; }

/* ── Services Overview (Home) ────────────────────────── */
.services-overview { padding: 80px 0; text-align: center; }
.services-overview h2 { font-size: 2rem; margin-bottom: 12px; color: #0d3b6e; }
.section-subtitle { color: #666; font-size: 1.05rem; max-width: 640px; margin: 0 auto 40px; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.service-card { border: 1px solid #e0eaf4; border-radius: 12px; padding: 32px 24px; text-align: center; transition: box-shadow 0.2s; }
.service-card:hover { box-shadow: 0 4px 20px rgba(0,115,170,0.12); }
.service-icon { font-size: 2.4rem; display: block; margin-bottom: 16px; }
.service-card h3 { margin-bottom: 10px; color: #0d3b6e; }

/* ── CTA Section ─────────────────────────────────────── */
.cta-section { background: linear-gradient(135deg, #0d3b6e, #0073aa); color: #fff; padding: 80px 0; text-align: center; }
.cta-section h2 { font-size: 2rem; margin-bottom: 16px; }
.cta-section p { font-size: 1.1rem; opacity: 0.9; max-width: 620px; margin: 0 auto 32px; }

/* ── Page Hero ───────────────────────────────────────── */
.page-hero { background: linear-gradient(135deg, #0d3b6e, #0073aa); color: #fff; padding: 70px 0; text-align: center; }
.page-hero h1 { font-size: 2.5rem; margin-bottom: 12px; }
.page-hero p { font-size: 1.1rem; opacity: 0.9; }

/* ── Services Detail Page ────────────────────────────── */
.service-detail { padding: 70px 0; }
.service-detail.alt-bg { background: #f4f8fc; }
.service-detail-header { display: flex; gap: 24px; align-items: flex-start; margin-bottom: 36px; }
.service-icon-lg { font-size: 3rem; flex-shrink: 0; margin-top: 4px; }
.service-detail-header h2 { font-size: 1.8rem; color: #0d3b6e; margin-bottom: 12px; }
.service-detail-header p { color: #555; font-size: 1.05rem; }
.capabilities-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.capability-item { background: #fff; border: 1px solid #dce8f2; border-radius: 8px; padding: 14px 18px; font-weight: 500; color: #333; }
.service-detail.alt-bg .capability-item { background: #fff; }

/* ── Contact Page ────────────────────────────────────── */
.contact-section { padding: 80px 0; }
.contact-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; align-items: start; }
.contact-info h2 { font-size: 1.7rem; color: #0d3b6e; margin-bottom: 16px; }
.contact-info > p { color: #555; margin-bottom: 32px; }
.contact-detail { display: flex; gap: 14px; margin-bottom: 24px; align-items: flex-start; }
.contact-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-detail strong { display: block; color: #0d3b6e; margin-bottom: 4px; }
.contact-detail a { color: #0073aa; text-decoration: none; }
.contact-detail a:hover { text-decoration: underline; }

/* ── Contact Form ────────────────────────────────────── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; color: #333; }
.form-group input,
.form-group textarea,
.form-group select { width: 100%; padding: 12px 14px; border: 1px solid #ccd9e3; border-radius: 6px; font-size: 1rem; font-family: inherit; transition: border-color 0.2s; }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { outline: none; border-color: #0073aa; box-shadow: 0 0 0 3px rgba(0,115,170,0.1); }
.recaptcha-notice { font-size: 0.78rem; color: #888; margin-bottom: 16px; }
.recaptcha-notice a { color: #0073aa; }
.alert { padding: 14px 20px; border-radius: 8px; margin-bottom: 24px; font-weight: 500; }
.alert-success { background: #e6f4ea; color: #2e7d32; border: 1px solid #b7dfbc; }
.alert-error { background: #fdecea; color: #c62828; border: 1px solid #f5c6c6; }

/* ── Footer ──────────────────────────────────────────── */
.site-footer { background: #0d3b6e; color: #a0b8cc; text-align: center; padding: 28px 0; margin-top: 0; }
.site-footer a { color: #7ec8e3; text-decoration: none; }

/* ── Hamburger ───────────────────────────────────────── */
.hamburger { display: none; background: none; border: none; font-size: 1.6rem; cursor: pointer; color: #333; }

/* ── Mobile ──────────────────────────────────────────── */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; width: 100%; background: #fff; border-top: 1px solid #eee; padding: 16px 20px; gap: 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
    .nav-links.open { display: flex; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .contact-layout { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
    .service-detail-header { flex-direction: column; }
    .btn-outline { margin-left: 0; margin-top: 12px; }
}