/* =========
   Aurora palette (aesthetic + clean)
   ========= */
:root{
  --bg: #070A12;
  --bg2:#0B1022;
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.72);
  --faint: rgba(255,255,255,0.55);
  --border: rgba(255,255,255,0.12);

  --a1:#7C3AED; /* violet */
  --a2:#22D3EE; /* cyan */
  --a3:#F472B6; /* pink */
  --a4:#F59E0B; /* amber */

  --shadow: 0 18px 60px rgba(0,0,0,0.45);
  --radius: 18px;
  --radius2: 22px;

  --max: 1080px;
}

/* Light mode (optional toggle) */
[data-theme="light"]{
  --bg: #F7F8FF;
  --bg2:#FFFFFF;
  --card: rgba(17,24,39,0.04);
  --card2: rgba(17,24,39,0.06);
  --text: rgba(17,24,39,0.92);
  --muted: rgba(17,24,39,0.72);
  --faint: rgba(17,24,39,0.58);
  --border: rgba(17,24,39,0.12);
  --shadow: 0 16px 50px rgba(17,24,39,0.12);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 900px at 10% 0%, rgba(124,58,237,0.25), transparent 55%),
              radial-gradient(900px 700px at 90% 10%, rgba(34,211,238,0.18), transparent 55%),
              radial-gradient(800px 600px at 70% 80%, rgba(244,114,182,0.14), transparent 55%),
              linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  color: var(--text);
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; text-underline-offset: 4px; }

.container{
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:-999px;
  background: var(--bg2);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.skip-link:focus{
  left: 14px; top: 14px;
  z-index: 9999;
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(0,0,0,0.25);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .topbar{ background: rgba(255,255,255,0.55); }
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: 0.2px;
}
.brand__dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--a2), var(--a1), var(--a3));
  box-shadow: 0 0 0 4px rgba(124,58,237,0.18);
}
.brand__text{ font-size: 14px; opacity: 0.95; }

.nav{
  display:flex;
  gap: 16px;
  align-items:center;
  flex-wrap: wrap;
  justify-content:center;
}
.nav a{
  font-size: 13px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
}
.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,0.06);
  text-decoration: none;
}

.topbar__actions{
  display:flex;
  gap: 10px;
  align-items:center;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: none;
}
.btn:hover{
  background: rgba(255,255,255,0.10);
  text-decoration: none;
}
.btn--primary{
  border: 0;
  background: linear-gradient(135deg, rgba(34,211,238,0.95), rgba(124,58,237,0.95), rgba(244,114,182,0.90));
  color: white;
  box-shadow: var(--shadow);
}
.btn--primary:hover{ filter: brightness(1.03); }
.btn--secondary{
  background: rgba(255,255,255,0.09);
}
.btn--ghost{
  background: transparent;
}
.icon{ opacity: 0.9; }

/* Hero */
.hero{
  position: relative;
  padding: 70px 0 40px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items:center;
}
.kicker{
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}
h1{
  margin: 0 0 14px;
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.02em;
}
.gradient-text{
  background: linear-gradient(135deg, var(--a2), var(--a1), var(--a3), var(--a4));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead{
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 62ch;
}
.hero__cta{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.chips{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip{
  font-size: 12px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}

/* Portrait */
.hero__media{ position: relative; }
.portrait-card{
  position: relative;
  border-radius: var(--radius2);
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  box-shadow: var(--shadow);
  isolation: isolate;
}
.portrait-card img{
  width: 100%;
  height: auto;
  display:block;
  transform: scale(1.02);
}
.portrait-card__glow{
  position:absolute;
  inset: -40px;
  background:
    radial-gradient(300px 240px at 20% 30%, rgba(34,211,238,0.25), transparent 60%),
    radial-gradient(360px 260px at 75% 20%, rgba(244,114,182,0.22), transparent 62%),
    radial-gradient(400px 320px at 50% 80%, rgba(245,158,11,0.14), transparent 60%);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 2;
}

.mini-cards{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.mini-card{
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.05);
}
.mini-card__label{
  font-size: 12px;
  color: var(--faint);
  margin-bottom: 4px;
}
.mini-card__value{
  font-size: 13px;
  color: var(--text);
  font-weight: 650;
}

/* Sections */
.section{ padding: 56px 0; }
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent 65%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section__header{
  margin-bottom: 22px;
}
.section__header h2{
  margin: 0 0 8px;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.section__header p{
  margin: 0;
  color: var(--muted);
  max-width: 72ch;
  line-height: 1.6;
}

/* Cards & grids */
.grid{
  display:grid;
  gap: 14px;
}
.grid--2{ grid-template-columns: 1fr 1fr; }
.grid--3{ grid-template-columns: 1fr 1fr 1fr; }

.card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  padding: 18px 18px;
  box-shadow: none;
}
.card:hover{ background: var(--card2); }
.card h3{
  margin: 0 0 10px;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.muted{ color: var(--muted); }
.sep{ margin: 0 8px; color: var(--faint); }

.list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.65;
}
.list li{ margin: 6px 0; }

.card--wide{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 14px;
}
.wide__left{ flex: 1; }
.wide__right{ flex: 0 0 auto; }

/* Timeline */
.timeline{ display:grid; gap: 14px; }
.timeline__meta{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items:center;
  margin-bottom: 10px;
}
.pill{
  font-size: 12px;
  color: var(--text);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}
.pill--soft{ color: var(--muted); }

/* Tag chips */
.tags{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tags span{
  font-size: 12px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}

/* Footer */
.footer{
  padding: 26px 0 40px;
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

/* Responsive */
@media (max-width: 900px){
  .hero__grid{ grid-template-columns: 1fr; }
  .grid--2{ grid-template-columns: 1fr; }
  .grid--3{ grid-template-columns: 1fr; }
  .nav{ display:none; }
}