:root {
  --bg: #070b17;
  --bg-2: #0c1330;
  --text: #ebf1ff;
  --muted: #a3b3d5;
  --panel: rgba(17, 24, 39, 0.72);
  --line: rgba(255,255,255,.12);
  --card: rgba(15, 23, 42, .8);
  --accent: #5eead4;
  --accent-2: #3b82f6;
  --shadow: 0 20px 60px rgba(2, 6, 23, .45);
}

:root[data-theme="light"] {
  --bg: #f5f7ff;
  --bg-2: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --panel: rgba(255,255,255,.86);
  --line: rgba(15,23,42,.12);
  --card: rgba(255,255,255,.85);
  --accent: #14b8a6;
  --accent-2: #2563eb;
  --shadow: 0 18px 40px rgba(148, 163, 184, .25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, #1b2451 0%, transparent 45%),
              radial-gradient(900px 500px at 100% 0%, #123b58 0%, transparent 40%),
              linear-gradient(180deg, var(--bg-2), var(--bg));
}

.container { width: min(1100px, 92vw); margin: 0 auto; }
.hero { position: relative; overflow: hidden; padding: 18px 0 56px; border-bottom: 1px solid var(--line); }
.mesh {
  position: absolute;
  width: 460px;
  height: 460px;
  filter: blur(64px);
  border-radius: 50%;
  pointer-events: none;
  opacity: .26;
}
.mesh-a { background: var(--accent-2); left: -140px; top: -140px; }
.mesh-b { background: var(--accent); right: -140px; top: -120px; }

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 38px; }
.brand {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .3px;
}
.nav-actions { display: flex; gap: 10px; align-items: center; }
.ghost {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  background: var(--panel);
}
.toggle {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr .9fr;
  gap: 22px;
  align-items: stretch;
}
.eyebrow { color: var(--accent); font-weight: 600; margin: 0 0 8px; font-size: .95rem; }
h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.05; }
.headline { margin: 10px 0 8px; font-weight: 700; color: var(--text); }
.subtitle { color: var(--muted); max-width: 730px; }

.contact { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: var(--muted); }
.contact a { color: var(--text); text-decoration: none; }
.contact a:hover { color: var(--accent); }

.profile-card {
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.avatar {
  width: 64px; height: 64px;
  border-radius: 16px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 1.25rem;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: white;
}
.profile-card h3 { margin: 12px 0 2px; }
.profile-card p { color: var(--muted); margin: 0 0 10px; }
.profile-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.profile-card li {
  display: flex; justify-content: space-between; align-items: baseline;
  border: 1px solid var(--line);
  border-radius: 10px; padding: 8px 10px;
  background: var(--card);
}
.profile-card strong { font-size: 1.05rem; }
.profile-card span { color: var(--muted); font-size: .92rem; }

main { padding: 26px 0 44px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  margin-bottom: 16px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.section-head span { color: var(--muted); font-size: .9rem; }
h2 { margin: 0 0 10px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  transition: transform .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card p { color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-row span {
  font-size: .78rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
  background: rgba(255,255,255,.04);
}

.timeline {
  border-left: 2px dashed var(--line);
  margin-left: 6px;
  padding-left: 18px;
  display: grid;
  gap: 12px;
}
.timeline article { position: relative; }
.timeline article::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  position: absolute;
  left: -24px; top: 8px;
}
.meta { margin: 4px 0 0; color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--card);
}

.cta { text-align: center; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.cta .actions { justify-content: center; }
.btn {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 16px;
  background: var(--panel);
  color: var(--text);
  transition: transform .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.btn-primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
}

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .65s ease, transform .65s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }

footer { border-top: 1px solid var(--line); color: var(--muted); padding: 16px 0 26px; }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section-head { flex-direction: column; align-items: flex-start; }
}