:root {
  --c-black: #080c14;
  --c-black-surface: #0f172a;
  --c-dark-blue: #0b1d3a;
  --c-navy: #152c52;
  --c-navy-light: #1e3a68;
  --c-blue: #0284c7;
  --c-blue-hover: #0369a1;
  --c-blue-light: #e0f2fe;
  --c-cyan: #38bdf8;
  --c-white: #ffffff;
  --c-gray-50: #f8fafc;
  --c-gray-100: #f1f5f9;
  --c-gray-200: #e2e8f0;
  --c-gray-400: #94a3b8;
  --c-gray-600: #475569;
  --c-gray-700: #334155;
  --c-gray-800: #1e293b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-full: 9999px;
  --transition: all 0.25s ease-in-out;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 18px rgba(11,29,58,0.08);
  --shadow-lg: 0 12px 28px rgba(11,29,58,0.14);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); background-color: var(--c-white); color: var(--c-gray-800); line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--c-blue); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--c-cyan); }
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { background: var(--c-black); border-bottom: 2px solid var(--c-navy); position: sticky; top: 0; z-index: 1000; box-shadow: 0 4px 20px rgba(0,0,0,0.35); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand-logo { display: flex; align-items: center; gap: 12px; }
.logo-badge { background: linear-gradient(135deg, var(--c-blue), var(--c-dark-blue)); color: #fff; font-weight: 800; font-size: 1.25rem; padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--c-cyan); }
.brand-info { display: flex; flex-direction: column; }
.brand-name { font-size: 1.15rem; font-weight: 700; color: #fff; line-height: 1.2; }
.brand-sub { font-size: 0.75rem; color: var(--c-gray-400); }
.nav-menu { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-link { color: #cbd5e1; font-size: 0.95rem; font-weight: 500; padding: 8px 16px; border-radius: var(--radius-sm); }
.nav-link:hover, .nav-link.active { color: var(--c-cyan); background-color: var(--c-navy); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 22px; font-size: 0.95rem; font-weight: 600; border-radius: var(--radius-sm); cursor: pointer; border: none; transition: var(--transition); }
.btn-primary { background: linear-gradient(135deg, var(--c-blue), var(--c-navy)); color: #fff; border: 1px solid var(--c-cyan); }
.btn-primary:hover { background: linear-gradient(135deg, var(--c-cyan), var(--c-blue)); color: var(--c-black); }
.btn-secondary { background: var(--c-navy); color: #fff; border: 1px solid var(--c-navy-light); }
.btn-outline { background: transparent; color: var(--c-cyan); border: 1.5px solid var(--c-cyan); }

/* Hero */
.hero { background: linear-gradient(145deg, var(--c-black) 0%, var(--c-dark-blue) 60%, var(--c-navy) 100%); color: #fff; padding: 80px 0; border-bottom: 3px solid var(--c-blue); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
.hero-tag { display: inline-block; background: rgba(56, 189, 248, 0.12); color: var(--c-cyan); font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; padding: 6px 14px; border-radius: var(--radius-full); border: 1px solid rgba(56, 189, 248, 0.3); margin-bottom: 16px; }
.hero-title { font-size: 2.8rem; line-height: 1.2; font-weight: 800; margin-bottom: 20px; }
.hero-title span { color: var(--c-cyan); }
.hero-lead { font-size: 1.125rem; color: #94a3b8; margin-bottom: 32px; max-width: 580px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-card { background: rgba(15, 23, 42, 0.75); border: 1px solid rgba(56, 189, 248, 0.2); border-radius: var(--radius-md); padding: 28px; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat-item { background: var(--c-navy); border: 1px solid rgba(56, 189, 248, 0.15); padding: 16px; border-radius: var(--radius-sm); }
.stat-number { font-size: 1.8rem; font-weight: 800; color: var(--c-cyan); }
.stat-label { font-size: 0.8rem; color: var(--c-gray-400); margin-top: 4px; }

/* Sections & Cards */
.section { padding: 80px 0; }
.section-alt { background-color: var(--c-gray-50); }
.section-dark { background-color: var(--c-dark-blue); color: #fff; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag { color: var(--c-blue); font-size: 0.85rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 8px; display: inline-block; }
.section-title { font-size: 2.2rem; font-weight: 800; color: var(--c-black-surface); }
.section-dark .section-title { color: #fff; }
.section-desc { font-size: 1.05rem; color: var(--c-gray-600); max-width: 680px; margin: 12px auto 0; }
.page-header { background: linear-gradient(135deg, var(--c-black) 0%, var(--c-dark-blue) 100%); color: #fff; padding: 56px 0; text-align: center; border-bottom: 3px solid var(--c-blue); }
.page-header h1 span { color: var(--c-cyan); }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }

.card { background: #fff; border: 1px solid var(--c-gray-200); border-radius: var(--radius-md); padding: 32px 24px; transition: var(--transition); display: flex; flex-direction: column; box-shadow: var(--shadow-sm); }
.card:hover { transform: translateY(-5px); border-color: var(--c-blue); box-shadow: var(--shadow-lg); }
.card-icon { width: 54px; height: 54px; border-radius: var(--radius-sm); background: var(--c-blue-light); color: var(--c-blue); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.6rem; }
.card-title { font-size: 1.25rem; font-weight: 700; color: var(--c-dark-blue); margin-bottom: 12px; }
.card-text { color: var(--c-gray-600); font-size: 0.95rem; margin-bottom: 20px; flex-grow: 1; }
.card-feature-list { list-style: none; margin-bottom: 20px; }
.card-feature-list li { font-size: 0.88rem; color: var(--c-gray-700); padding: 6px 0; border-bottom: 1px dashed var(--c-gray-200); }
.card-feature-list li::before { content: "✓ "; color: var(--c-blue); font-weight: bold; }

.feature-box { display: flex; gap: 20px; padding: 24px; background: #fff; border-radius: var(--radius-md); border: 1px solid var(--c-gray-200); }
.feature-box-icon { flex-shrink: 0; width: 48px; height: 48px; background: var(--c-dark-blue); color: var(--c-cyan); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-weight: bold; }

/* Projects & Clients */
.project-card { background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--c-gray-200); transition: var(--transition); }
.project-card:hover { transform: translateY(-5px); border-color: var(--c-blue); }
.project-badge-bar { background: linear-gradient(135deg, var(--c-dark-blue), var(--c-black)); color: var(--c-cyan); padding: 16px 20px; font-size: 0.85rem; font-weight: 700; display: flex; justify-content: space-between; }
.project-content { padding: 24px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag { background: var(--c-gray-100); color: var(--c-navy); font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: var(--radius-full); }
.client-card { background: #fff; border: 1px solid var(--c-gray-200); border-radius: var(--radius-md); padding: 24px; text-align: center; }
.client-icon-holder { width: 44px; height: 44px; background: var(--c-dark-blue); color: #fff; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin: 0 auto 10px; font-weight: 800; }
.testimonial-card { background: #fff; border-left: 4px solid var(--c-blue); border-radius: var(--radius-sm); padding: 24px; border-top: 1px solid var(--c-gray-200); border-right: 1px solid var(--c-gray-200); border-bottom: 1px solid var(--c-gray-200); }

/* Contact & Form */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; }
.contact-info-panel { background: linear-gradient(145deg, var(--c-black), var(--c-dark-blue)); color: #fff; padding: 40px 32px; border-radius: var(--radius-md); border: 1px solid var(--c-navy); }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-icon { width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--c-navy); color: var(--c-cyan); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-form { background: #fff; border: 1px solid var(--c-gray-200); padding: 36px; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--c-dark-blue); margin-bottom: 8px; }
.form-control { width: 100%; padding: 12px 14px; border: 1px solid var(--c-gray-200); border-radius: var(--radius-sm); font-family: inherit; font-size: 0.95rem; }
.form-control:focus { outline: none; border-color: var(--c-blue); box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15); }
.map-container { margin-top: 32px; border-radius: var(--radius-md); background: var(--c-navy); color: #fff; padding: 30px; text-align: center; }

/* CTA & Footer */
.cta-banner { background: linear-gradient(135deg, var(--c-black) 0%, var(--c-dark-blue) 50%, var(--c-navy) 100%); color: #fff; padding: 60px 0; text-align: center; border-top: 3px solid var(--c-blue); }
.site-footer { background: var(--c-black); color: #94a3b8; padding: 60px 0 24px; margin-top: auto; border-top: 1px solid rgba(255,255,255,0.08); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 48px; }
.footer-brand h3, .footer-col h4 { color: #fff; margin-bottom: 12px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #94a3b8; font-size: 0.9rem; }
.footer-links a:hover { color: var(--c-cyan); }
.footer-bottom { padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; font-size: 0.85rem; }

@media (max-width: 992px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
}