/* ===== ITGAI Technologies — styles ===== */
:root {
  --bg: #0b1220;
  --bg-alt: #0f1a2e;
  --surface: #121d33;
  --surface-2: #16233d;
  --text: #e8edf6;
  --muted: #9fb0c8;
  --accent: #4f8cff;
  --accent-2: #38d6c4;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --max: 1120px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.hide-mobile { display: inline; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand { display: flex; flex-direction: column; line-height: 1; }
.brand-mark { font-weight: 800; font-size: 1.35rem; letter-spacing: -0.02em; }
.brand-mark-accent { color: inherit; }
.brand-sub { font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a { color: var(--muted); font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
.nav a:hover { color: var(--text); }
.nav-cta {
  color: var(--text) !important;
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--surface);
}
.nav-cta:hover { border-color: var(--accent); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.25s; }

.nav-mobile { display: none; flex-direction: column; padding: 8px 24px 16px; border-bottom: 1px solid var(--border); background: var(--bg); }
.nav-mobile a { padding: 12px 0; color: var(--muted); border-bottom: 1px solid var(--border); }
.nav-mobile a:last-child { border-bottom: 0; }
.nav-mobile.open { display: flex; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #6aa4ff);
  color: #04122e;
  box-shadow: 0 12px 30px -10px rgba(79, 140, 255, 0.7);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: 96px 0 88px; }
.hero-inner { position: relative; z-index: 2; max-width: 820px; }
.eyebrow {
  display: inline-block; color: var(--accent-2); font-weight: 600;
  font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; margin: 0 0 18px;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 22px; font-weight: 800;
}
.lede { font-size: 1.14rem; color: var(--muted); max-width: 660px; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px 28px; list-style: none; padding: 0; margin: 0; }
.hero-badges li { position: relative; padding-left: 22px; color: var(--muted); font-size: 0.95rem; }
.hero-badges li::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
}
.hero-glow {
  position: absolute; top: -30%; right: -10%; width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(79, 140, 255, 0.28), transparent 62%);
  filter: blur(20px); z-index: 1;
}

/* ===== Sections ===== */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-eyebrow { color: var(--accent); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; margin: 0 0 12px; }
.section-title { font-size: clamp(1.7rem, 3.4vw, 2.4rem); letter-spacing: -0.02em; margin: 0 0 16px; font-weight: 700; }
.section-intro { color: var(--muted); font-size: 1.06rem; max-width: 620px; margin: 0 0 14px; }

/* ===== Cards ===== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 44px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(79, 140, 255, 0.5); box-shadow: var(--shadow); }
.card-icon {
  width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px;
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.2), rgba(56, 214, 196, 0.16));
  color: var(--accent-2); font-size: 1.35rem; font-weight: 700; margin-bottom: 20px;
}
.card h3 { margin: 0 0 10px; font-size: 1.22rem; }
.card p { color: var(--muted); margin: 0 0 16px; font-size: 0.98rem; }
.card-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.card-list li { position: relative; padding-left: 20px; color: var(--text); font-size: 0.92rem; }
.card-list li::before { content: '→'; position: absolute; left: 0; color: var(--accent); }

/* ===== Features ===== */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 40px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.feature h3 { margin: 0 0 8px; font-size: 1.12rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.98rem; }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.about-facts { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 26px; }
.fact { display: flex; flex-direction: column; gap: 4px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.fact:last-child { border-bottom: 0; }
.fact-label { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.fact-value { font-weight: 600; }
.fact-value a { color: var(--accent); word-break: break-all; }

/* ===== Contact ===== */
.section-contact { text-align: center; background: var(--bg-alt); border-top: 1px solid var(--border); }
.contact-inner { max-width: 640px; margin: 0 auto; }
.contact-inner .section-intro { margin-left: auto; margin-right: auto; }
.contact-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin: 30px 0 24px; }
.contact-email { color: var(--muted); font-size: 0.98rem; }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--border); background: var(--bg); padding: 44px 0; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 20px; }
.footer-brand p { margin: 8px 0 0; color: var(--muted); font-size: 0.9rem; }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: var(--muted); font-size: 0.95rem; }
.footer-nav a:hover { color: var(--text); }
.footer-legal { width: 100%; color: var(--muted); font-size: 0.85rem; text-align: center; margin: 0; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .cards { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .hide-mobile { display: none; }
  .section { padding: 64px 0; }
  .hero { padding: 72px 0 64px; }
}