:root {
  --bg: #0d1424;
  --bg-2: #131d33;
  --card: #182238;
  --card-2: #1d294166;
  --fg: #f5f7fb;
  --muted: #99a3b8;
  --border: #ffffff1a;
  --primary: #4aa8ff;
  --primary-2: #6ec8ff;
  --gradient: linear-gradient(135deg, #4aa8ff 0%, #6ec8ff 100%);
  --gradient-hero: radial-gradient(ellipse at top, rgba(74,168,255,0.28), transparent 60%);
  --shadow-glow: 0 10px 40px -10px rgba(74,168,255,0.55);
  --shadow-elegant: 0 20px 60px -20px rgba(0,0,0,0.7);
  --radius: 14px;
  --radius-lg: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* HEADER */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(13,20,36,0.7);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark {
  width: 32px; height: 32px; display: grid; place-items: center;
  background: var(--gradient); color: #0d1424; border-radius: 8px;
  box-shadow: var(--shadow-glow); font-size: 13px; font-weight: 800;
}
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; color: var(--muted); }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--fg); }
.nav-toggle { display: none; background: none; border: 0; flex-direction: column; gap: 4px; cursor: pointer; }
.nav-toggle span { width: 22px; height: 2px; background: var(--fg); border-radius: 2px; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 14px;
  transition: transform .15s, opacity .2s, background .2s, border-color .2s;
  border: 1px solid transparent; cursor: pointer; line-height: 1;
}
.btn-sm { padding: 9px 14px; font-size: 13px; }
.btn-primary { background: var(--gradient); color: #0d1424; box-shadow: var(--shadow-glow); }
.btn-primary:hover { opacity: .92; }
.btn-outline { background: rgba(24,34,56,0.5); color: var(--fg); border-color: var(--border); backdrop-filter: blur(8px); }
.btn-outline:hover { border-color: rgba(74,168,255,0.6); }

/* HERO */
.hero { position: relative; padding: 140px 0 100px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: var(--gradient-hero); pointer-events: none; z-index: -1; }
.hero-grid {
  position: absolute; inset: 0; opacity: .04; pointer-events: none; z-index: -1;
  background-image:
    linear-gradient(var(--fg) 1px, transparent 1px),
    linear-gradient(90deg, var(--fg) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 500;
  background: rgba(24,34,56,0.6); border: 1px solid var(--border); color: var(--muted);
  backdrop-filter: blur(8px);
}
.badge svg { color: var(--primary); }
.hero h1 { font-size: clamp(2.2rem, 4.4vw, 3.75rem); line-height: 1.05; letter-spacing: -0.02em; margin-top: 24px; font-weight: 700; }
.lead { margin-top: 22px; font-size: 18px; color: var(--muted); max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.stats dt { font-size: 28px; font-weight: 700; }
.stats dd { font-size: 12px; color: var(--muted); margin-top: 4px; }
.hero-photo { position: relative; }
.photo-glow {
  position: absolute; inset: -16px; border-radius: 28px; opacity: .55;
  filter: blur(40px); background: var(--gradient); z-index: -1;
}
.photo-frame {
  border: 1px solid var(--border); background: var(--card); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-elegant);
}
.photo-frame img { aspect-ratio: 4/5; width: 100%; object-fit: cover; }

/* PILLARS */
.pillars { background: rgba(24,34,56,0.3); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 64px 0; }
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: rgba(24,34,56,0.6); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; backdrop-filter: blur(8px);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(74,168,255,0.5); box-shadow: var(--shadow-glow); }
.icon-box {
  display: grid; place-items: center; width: 44px; height: 44px;
  border-radius: 10px; background: var(--gradient); color: #0d1424;
}
.icon-box svg { width: 20px; height: 20px; }
.card h3 { margin-top: 16px; font-size: 18px; font-weight: 600; }
.card p { margin-top: 8px; font-size: 14px; color: var(--muted); }

/* SECTION */
.section { padding: 96px 0; }
.section-alt { background: rgba(24,34,56,0.3); border-top: 1px solid rgba(255,255,255,0.06); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.kicker { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .2em; color: var(--primary); }
.section h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); letter-spacing: -0.02em; margin-top: 12px; font-weight: 700; }
.section .lead, .section-head p { margin-top: 16px; }
.checklist { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 32px; }
.checklist li { font-size: 14px; padding-left: 26px; position: relative; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--gradient);
}

/* TIMELINE */
.timeline { list-style: none; position: relative; padding-left: 40px; border-left: 1px solid var(--border); display: grid; gap: 24px; }
.timeline li { position: relative; }
.timeline .dot {
  position: absolute; left: -52px; top: 6px; width: 28px; height: 28px;
  border-radius: 50%; background: var(--gradient); display: grid; place-items: center;
  color: #0d1424; box-shadow: var(--shadow-glow);
}
.timeline .dot svg { width: 14px; height: 14px; }
.timeline .card .year { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .2em; color: var(--primary); }

/* CONTACT */
.contact { position: relative; border-top: 1px solid rgba(255,255,255,0.06); overflow: hidden; }
.contact .hero-bg { opacity: .6; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 720px; margin: 40px auto 0; }
.contact-card {
  display: flex; align-items: center; gap: 16px; padding: 20px;
  border-radius: 12px; border: 1px solid var(--border); background: var(--card);
  text-align: left; transition: transform .15s, border-color .2s, box-shadow .2s;
}
.contact-card:hover { transform: translateY(-2px); border-color: rgba(74,168,255,0.5); box-shadow: var(--shadow-glow); }
.contact-card small { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .2em; color: var(--muted); }
.contact-card strong { display: block; font-size: 15px; margin-top: 4px; }
.linkedin-card { grid-column: span 2; max-width: 360px; margin: 0 auto; width: 100%; }
.contact-cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 40px; }

/* FOOTER */
.site-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 32px 0; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; font-size: 14px; color: var(--muted); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-photo { order: -1; max-width: 380px; margin: 0 auto; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bg-2); padding: 16px 24px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: flex; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .checklist { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .linkedin-card { grid-column: auto; }
  .timeline { padding-left: 28px; }
  .timeline .dot { left: -42px; width: 22px; height: 22px; }
  .hero { padding: 110px 0 70px; }
  .section { padding: 64px 0; }
}