*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --color-bg: #f4f6f9; --color-surface: #fff; --color-dark: #0f1f3d; --color-dark-soft: #1a3058;
  --color-accent: #2563eb; --color-accent-light: #60a5fa; --color-muted: #5a6478; --color-border: #dce3ef;
  --font-sans: 'Inter', system-ui, sans-serif; --font-serif: 'Playfair Display', Georgia, serif;
  --radius: 12px; --shadow: 0 4px 24px rgba(15,31,61,.08); --shadow-lg: 0 12px 48px rgba(15,31,61,.14);
}
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--color-bg); color: var(--color-dark); line-height: 1.6; -webkit-font-smoothing: antialiased; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(244,246,249,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.nav { max-width: 1140px; margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--color-dark); }
.logo-mark { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: var(--color-accent); color: #fff; font-weight: 700; font-size: 13px; border-radius: 8px; }
.logo-text { font-weight: 600; font-size: 17px; letter-spacing: -.02em; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--color-muted); font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--color-dark); }
.nav-cta { background: var(--color-dark) !important; color: #fff !important; padding: 10px 20px; border-radius: 8px; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--color-dark); }
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 120px 24px 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,31,61,.85) 0%, rgba(15,31,61,.45) 55%, rgba(37,99,235,.2) 100%); }
.hero-content { position: relative; max-width: 1140px; margin: 0 auto; width: 100%; }
.hero-tag { display: inline-block; font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent-light); margin-bottom: 24px; }
.hero h1 { font-family: var(--font-serif); font-size: clamp(48px, 8vw, 84px); font-weight: 400; line-height: 1.05; color: #fff; margin-bottom: 28px; }
.hero h1 em { font-style: italic; color: var(--color-accent-light); }
.hero-desc { max-width: 560px; font-size: 18px; color: rgba(255,255,255,.82); margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 28px; font-size: 15px; font-weight: 600; text-decoration: none; border-radius: 8px; border: 2px solid transparent; cursor: pointer; transition: all .2s; font-family: inherit; }
.btn-primary { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn-primary:hover { background: #1d4ed8; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-full { width: 100%; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.15); }
.stat strong { display: block; font-size: 32px; font-weight: 700; color: #fff; line-height: 1.2; }
.stat span { font-size: 13px; color: rgba(255,255,255,.55); text-transform: uppercase; letter-spacing: .05em; }
.section { padding: 100px 0; }
.section-label { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 12px; }
.section h2 { font-family: var(--font-serif); font-size: clamp(32px, 5vw, 48px); font-weight: 400; line-height: 1.15; margin-bottom: 16px; }
.section-intro { color: var(--color-muted); font-size: 17px; max-width: 560px; margin-bottom: 48px; }
.about { background: var(--color-surface); }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.about-text p { color: var(--color-muted); margin-bottom: 20px; font-size: 16px; }
.about-facts { list-style: none; margin-top: 32px; border-top: 1px solid var(--color-border); }
.about-facts li { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--color-border); font-size: 14px; gap: 16px; }
.fact-label { color: var(--color-muted); flex-shrink: 0; }
.about-facts a { color: var(--color-accent); text-decoration: none; }
.about-image img { width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.service-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; }
.service-card { grid-column: span 2; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; transition: box-shadow .3s, transform .3s; }
.service-card:nth-child(4), .service-card:nth-child(5) { grid-column: span 3; }
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-img { height: 200px; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.service-card:hover .service-img img { transform: scale(1.05); }
.service-body { padding: 24px; }
.service-body h3 { font-size: 18px; margin-bottom: 8px; }
.service-body p { font-size: 14px; color: var(--color-muted); line-height: 1.6; }
.projects { background: var(--color-dark); color: #fff; }
.projects .section-label { color: var(--color-accent-light); }
.projects h2 { color: #fff; margin-bottom: 40px; }
.gallery-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 16px; }
.gallery-item { position: relative; border-radius: var(--radius); overflow: hidden; height: 280px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.gallery-item span { position: absolute; bottom: 0; left: 0; right: 0; padding: 16px; background: linear-gradient(transparent, rgba(0,0,0,.75)); font-size: 14px; font-weight: 500; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; }
.contact-info p { color: var(--color-muted); margin-bottom: 32px; }
.contact-details { list-style: none; }
.contact-details li { padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.contact-details strong { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--color-muted); margin-bottom: 4px; }
.contact-details a { color: var(--color-dark); text-decoration: none; font-weight: 500; }
.contact-details a:hover { color: var(--color-accent); }
.contact-form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.contact-form label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form select, .contact-form textarea { display: block; width: 100%; margin-top: 6px; padding: 12px 14px; font-size: 15px; font-family: inherit; border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-bg); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--color-accent); }
.site-footer { background: var(--color-dark); color: rgba(255,255,255,.6); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; margin-bottom: 8px; }
.footer-contact a { color: rgba(255,255,255,.7); text-decoration: none; }
.footer-contact a:hover { color: var(--color-accent-light); }
.footer-links h4 { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 16px; }
.footer-links a { display: block; color: rgba(255,255,255,.55); text-decoration: none; font-size: 14px; margin-bottom: 10px; }
.footer-links a:hover { color: var(--color-accent-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 24px; text-align: center; font-size: 13px; }
@media (max-width: 900px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--color-bg); padding: 24px; gap: 16px; border-bottom: 1px solid var(--color-border); }
  .nav-links.open { display: flex; }
  .menu-toggle { display: flex; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card, .service-card:nth-child(4), .service-card:nth-child(5) { grid-column: span 1; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) { .form-row, .footer-grid { grid-template-columns: 1fr; } .hero-stats { gap: 24px; } }