:root {
  --bg: #031022;
  --bg-soft: #071a35;
  --card: rgba(10, 31, 61, 0.78);
  --line: rgba(91, 204, 255, 0.22);
  --text: #f5f9ff;
  --muted: #a9bbd2;
  --cyan: #20d9ff;
  --blue: #2c78ff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }

.header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; min-height: 72px; padding: 0 max(24px, calc((100% - var(--max)) / 2)); border-bottom: 1px solid var(--line); background: rgba(3, 16, 34, 0.9); backdrop-filter: blur(16px); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: .08em; }
.brand-mark { font-weight: 950; font-size: 1.45rem; font-style: italic; color: var(--cyan); text-shadow: 0 0 22px rgba(32,217,255,.45); }
.nav { display: flex; align-items: center; gap: 28px; font-size: .95rem; color: #d7e5f7; }
.nav a:hover { color: var(--cyan); }
.nav-cta { padding: 10px 18px; border: 1px solid var(--cyan); border-radius: 999px; }
.menu-button { display: none; border: 0; background: transparent; color: white; font-size: 1.65rem; }

.hero { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; min-height: 690px; padding: 76px max(24px, calc((100% - var(--max)) / 2)); background: radial-gradient(circle at 78% 50%, rgba(28, 108, 255, .2), transparent 38%), linear-gradient(135deg, #020b18 0%, #06162f 56%, #04152c 100%); }
.hero-glow { position: absolute; inset: auto auto -240px -180px; width: 560px; height: 560px; border-radius: 50%; background: rgba(20, 136, 255, .13); filter: blur(45px); }
.hero-copy, .hero-visual { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 14px; color: var(--cyan); font-weight: 800; letter-spacing: .15em; font-size: .78rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 680px; margin-bottom: 22px; font-size: clamp(2.8rem, 5vw, 5.3rem); line-height: .98; letter-spacing: -.055em; }
h1 span { color: var(--cyan); }
.hero-text { max-width: 630px; color: var(--muted); font-size: 1.12rem; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 0 22px; border-radius: 12px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(120deg, var(--cyan), #3b82f6); color: #001020; box-shadow: 0 10px 34px rgba(32, 217, 255, .2); }
.button-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.04); color: white; }
.trust-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 30px; color: #c8d7e9; font-size: .86rem; }
.hero-visual { margin-left: 40px; border: 1px solid var(--line); border-radius: 24px; overflow: hidden; transform: perspective(900px) rotateY(-4deg); box-shadow: 0 35px 80px rgba(0, 0, 0, .45), 0 0 42px rgba(25, 146, 255, .12); }

.section { max-width: var(--max); margin: 0 auto; padding: 100px 24px; }
.section-heading { max-width: 720px; margin-bottom: 44px; }
.section-heading h2, .contact h2 { margin-bottom: 14px; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.08; letter-spacing: -.035em; }
.section-heading > p:last-child, .contact p { color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card { min-height: 240px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(150deg, rgba(15, 44, 82, .78), rgba(5, 21, 43, .9)); }
.service-card > span { color: var(--cyan); font-weight: 900; }
.service-card h3 { margin: 30px 0 12px; font-size: 1.18rem; }
.service-card p { color: var(--muted); font-size: .94rem; }

.projects { max-width: none; padding-left: max(24px, calc((100% - var(--max)) / 2)); padding-right: max(24px, calc((100% - var(--max)) / 2)); background: #06152c; }
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.project-card { overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: var(--card); }
.project-image { aspect-ratio: 16 / 9; overflow: hidden; background: #020b18; }
.project-image img { height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-card:hover img { transform: scale(1.035); }
.project-content { padding: 28px; }
.project-type { color: var(--cyan); font-size: .74rem; font-weight: 800; letter-spacing: .14em; }
.project-content h3 { margin-bottom: 8px; font-size: 1.8rem; }
.project-content > p:not(.project-type) { color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tags span { padding: 6px 10px; border-radius: 999px; background: rgba(32,217,255,.1); color: #9aeaff; font-size: .77rem; }

.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 0; list-style: none; }
.steps li { display: flex; gap: 20px; padding: 26px; border-bottom: 1px solid var(--line); }
.steps strong { color: var(--cyan); font-size: 1.7rem; }
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--muted); }

.contact { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 40px; max-width: var(--max); margin: 20px auto 100px; padding: 52px; border: 1px solid rgba(32,217,255,.32); border-radius: 28px; background: linear-gradient(135deg, rgba(14,61,117,.8), rgba(4,25,54,.96)); box-shadow: 0 30px 90px rgba(0,0,0,.28); }
.contact-actions { justify-content: flex-end; }
.footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; padding: 36px max(24px, calc((100% - var(--max)) / 2)); border-top: 1px solid var(--line); color: var(--muted); }
.social-links { display: flex; justify-content: flex-end; gap: 18px; }
.social-links a:hover { color: var(--cyan); }

@media (max-width: 900px) {
  .menu-button { display: block; }
  .nav { position: absolute; top: 72px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 16px 24px 24px; border-bottom: 1px solid var(--line); background: #041329; }
  .nav.open { display: flex; }
  .nav a { padding: 13px 0; }
  .nav-cta { padding: 10px 18px !important; text-align: center; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 64px; }
  .hero-visual { margin: 54px 0 0; transform: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .contact { grid-template-columns: 1fr; margin-left: 24px; margin-right: 24px; padding: 38px 28px; }
  .contact-actions { justify-content: flex-start; }
  .footer { grid-template-columns: 1fr; text-align: center; }
  .social-links { justify-content: center; }
}

@media (max-width: 620px) {
  .hero { padding-left: 20px; padding-right: 20px; }
  h1 { font-size: 2.75rem; }
  .hero-actions .button, .contact-actions .button { width: 100%; }
  .trust-row { flex-direction: column; gap: 8px; }
  .section { padding: 76px 20px; }
  .service-grid, .project-grid, .steps { grid-template-columns: 1fr; }
  .service-card { min-height: 210px; }
  .projects { padding-left: 20px; padding-right: 20px; }
  .contact { margin: 0 20px 76px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }