/*
  Minimal, Apple-like personal brand site
  - mobile-first
  - no build step (GitHub Pages)
*/

:root{
  --bg: #ffffff;
  --bg2: #f5f5f7;
  --surface: rgba(255,255,255,.72);
  --surface-strong: rgba(255,255,255,.92);
  --text: #0b0b0f;
  --muted: rgba(11,11,15,.64);
  --border: rgba(11,11,15,.10);
  --shadow: 0 12px 40px rgba(0,0,0,.10);

  --accent: #0a84ff;
  --accent2: #30d158;

  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 14px;

  --max: 1120px;

  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

:root[data-theme="dark"]{
  --bg: #0b0b0f;
  --bg2: #111118;
  --surface: rgba(18,18,26,.68);
  --surface-strong: rgba(18,18,26,.88);
  --text: rgba(255,255,255,.94);
  --muted: rgba(255,255,255,.65);
  --border: rgba(255,255,255,.12);
  --shadow: 0 16px 60px rgba(0,0,0,.40);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 600px at 12% 10%, rgba(10,132,255,.18), transparent 60%),
    radial-gradient(800px 520px at 90% 20%, rgba(48,209,88,.14), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

a{color:inherit;text-decoration:none}
a:hover{opacity:.95}

.container{max-width:var(--max); margin:0 auto; padding:0 20px}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  background: rgba(255,255,255,.56);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="dark"] .site-header{ background: rgba(12,12,18,.56); }

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  height: 64px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width: 0;
}
.brand-mark{
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), rgba(10,132,255,.2));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35);
}
.brand-name{font-weight: 650; letter-spacing: -0.02em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}

.nav{
  display:flex;
  align-items:center;
  gap: 10px;
}
.nav a{
  font-size: 14px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
}
.nav a:hover{ background: rgba(10,132,255,.08); color: var(--text); }

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

.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.22);
}
.icon-btn:hover{ background: var(--surface-strong); }

.burger{display:none}

/* Mobile menu */
.mobile-panel{
  display:none;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.mobile-panel .container{ padding: 12px 20px 16px; }
.mobile-panel a{ display:block; padding: 10px 12px; border-radius: 12px; color: var(--muted); }
.mobile-panel a:hover{ background: rgba(10,132,255,.08); color: var(--text); }

@media (max-width: 860px){
  .nav{display:none}
  .burger{display:inline-flex}
  .mobile-panel[data-open="true"]{display:block}
}

/* Hero */
.hero{
  padding: 56px 0 28px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 24px;
  align-items: center;
}
@media (max-width: 960px){
  .hero-grid{grid-template-columns:1fr;}
}

.kicker{color: var(--muted); font-size: 14px; letter-spacing: .08em; text-transform: uppercase;}

.h1{
  font-size: clamp(34px, 3.6vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin: 10px 0 14px;
}

.lead{
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 18px;
}

.pills{display:flex; flex-wrap:wrap; gap: 8px; margin-top: 14px;}
.pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.45);
  color: var(--muted);
  font-size: 13px;
}
:root[data-theme="dark"] .pill{ background: rgba(18,18,26,.45); }
.pill-dot{width:8px;height:8px;border-radius:999px;background: var(--accent)}

.cta-row{display:flex; flex-wrap:wrap; gap: 10px; margin-top: 18px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.btn:hover{ background: var(--surface-strong); }
.btn.primary{
  background: linear-gradient(135deg, rgba(10,132,255,1), rgba(10,132,255,.72));
  color: white;
  border-color: rgba(255,255,255,.0);
  box-shadow: 0 18px 60px rgba(10,132,255,.26);
}
.btn.primary:hover{ filter: brightness(1.02); }
.btn.subtle{ box-shadow:none; }

.card{
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}
.card-pad{ padding: 18px; }

.profile{
  display:flex;
  flex-direction: column;
  gap: 12px;
}
.avatar{
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.02);
}
.avatar img{width:100%; height:100%; object-fit: cover; display:block;}

.profile-meta{display:flex; flex-direction:column; gap:6px;}
.meta-row{display:flex; align-items:center; justify-content:space-between; gap:10px;}
.meta-title{font-weight:650; letter-spacing:-.02em}
.meta-sub{font-size:14px; color:var(--muted)}

/* Sections */
.section{ padding: 34px 0; }
.section-title{
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.section-sub{color: var(--muted); margin: 0 0 18px; line-height:1.6;}

.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 860px){ .grid-2{grid-template-columns:1fr;} }

.item{
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.55);
}
:root[data-theme="dark"] .item{ background: rgba(18,18,26,.55); }
.item h3{ margin:0 0 6px; font-size: 16px; letter-spacing:-.02em; }
.item .meta{ color: var(--muted); font-size: 13px; }
.item p{ margin: 10px 0 0; color: var(--muted); line-height:1.6; }

.tags{ display:flex; flex-wrap:wrap; gap: 8px; margin-top: 10px; }
.tag{
  font-size: 13px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.40);
}
:root[data-theme="dark"] .tag{ background: rgba(18,18,26,.40); }

.timeline{ display:flex; flex-direction:column; gap: 12px; }
.timeline .item{ position:relative; }

/* Footer */
.footer{
  padding: 24px 0 50px;
  color: var(--muted);
  font-size: 14px;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}
@media (max-width: 760px){ .footer-inner{ flex-direction:column; align-items:flex-start; } }

.small-links{ display:flex; flex-wrap:wrap; gap: 10px; }
.small-links a{ color: var(--muted); padding: 6px 8px; border-radius: 10px; }
.small-links a:hover{ background: rgba(10,132,255,.08); color: var(--text); }

/* Accessibility */
.skip{
  position:absolute;
  left:-999px;
  top: 8px;
  z-index: 1000;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
}
.skip:focus{ left: 12px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
}