:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,.06);
  --text: #e9eefc;
  --muted: rgba(233,238,252,.72);
  --brand: #7aa2ff;
  --border: rgba(233,238,252,.16);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 16px;
}

[data-theme="light"]{
  --bg: #f7f8fc;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: rgba(15,23,42,.72);
  --brand: #2f6bff;
  --border: rgba(15,23,42,.12);
  --shadow: 0 10px 30px rgba(15,23,42,.10);
}

*, *::before, *::after {
  box-sizing: border-box;
  transition: background-color 0.4s ease, 
              color 0.4s ease, 
              border-color 0.4s ease, 
              box-shadow 0.4s ease,
              background 0.4s ease; 
}

html{ scroll-behavior: smooth; }

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(122,162,255,.22), transparent 60%),
              radial-gradient(900px 500px at 90% 10%, rgba(255,122,230,.18), transparent 55%),
              var(--bg);
  color: var(--text);
}

a{ color: inherit; }
.container{ width: min(1100px, 100%); margin: 0 auto; padding: 0 16px; }

.skip-link{
  position: absolute;
  left: -999px; top: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
}
.skip-link:focus{ left: 16px; z-index: 999; }

.site-header{
  position: sticky; top: 0;
  backdrop-filter: blur(10px);
  background: rgba(10,14,26,.55);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
[data-theme="light"] .site-header{ background: rgba(247,248,252,.8); }

.header-row{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
}

.brand{ display: flex; align-items: center; gap: 12px; }
.avatar{
  width: 44px; height: 44px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(122,162,255,.18);
  border: 1px solid var(--border);
  font-weight: 700;
}
.name{ font-weight: 700; }
.role{ color: var(--muted); font-size: 14px; }

.header-actions{ display: flex; gap: 8px; justify-content: end; }

.nav{
  grid-column: 1 / -1;
  display: none;
  gap: 10px;
  padding-bottom: 8px;
}
.nav.open{ display: grid; }
.nav-link{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  text-decoration: none;
}
.nav-link:hover{ border-color: rgba(122,162,255,.5); }

.section{ padding: 28px 0; }
.section.alt{ background: rgba(255,255,255,.02); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.hero-grid{ display: grid; gap: 14px; }
.hero-text h1{ margin: 0 0 10px; font-size: 28px; line-height: 1.1; }
.hero-text p{ margin: 0 0 14px; color: var(--muted); }

.hero-cta{ display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.meta{ display: flex; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }

.hero-card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.h3{ font-size: 18px; margin: 0 0 10px; }
.h4{ font-size: 16px; margin: 0 0 8px; }
h2{ font-size: 22px; margin: 0 0 12px; }
p{ line-height: 1.6; }
.muted{ color: var(--muted); }

.cards{ display: grid; gap: 12px; }
.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card-actions{ display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }

.btn{
  appearance: none;
  border: 1px solid rgba(122,162,255,.45);
  background: rgba(122,162,255,.18);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover{ border-color: rgba(122,162,255,.7); }
.btn:focus-visible{ outline: 2px solid var(--brand); outline-offset: 2px; }
.btn-ghost{ background: transparent; border-color: var(--border); }
.btn-small{ padding: 8px 10px; font-size: 14px; }

.pill{
  display: inline-block;
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  color: var(--muted);
}

.chips{ display: flex; flex-wrap: wrap; gap: 10px; }
.chip{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}

.timeline{ display: grid; gap: 12px; }
.item{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.item-top{ display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
ul{ margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.links{ margin: 0; padding-left: 18px; color: var(--muted); }
.links a{ color: var(--text); }

.contact-grid{ display: grid; gap: 12px; }

.field{ display: grid; gap: 6px; margin-bottom: 10px; }
.field span{ color: var(--muted); font-size: 14px; }
input, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text);
}
input:focus-visible, textarea:focus-visible{ outline: 2px solid var(--brand); outline-offset: 2px; }

.checkbox{ display: flex; gap: 10px; align-items: flex-start; margin: 8px 0 12px; color: var(--muted); }
.checkbox input{ width: 18px; height: 18px; margin-top: 2px; }

.hint{ margin: 10px 0 0; min-height: 20px; color: var(--muted); }

.site-footer{
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
.footer-grid{ display: grid; gap: 10px; }
.footer-title{ font-weight: 700; margin-bottom: 6px; }
.footer-list{ margin: 0; padding-left: 18px; color: var(--muted); }

.toast{
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  color: var(--text);
  box-shadow: var(--shadow);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: .2s ease;
}
.toast.show{ transform: translateY(0); opacity: 1; }

.reveal{ opacity: 0; transform: translateY(10px); transition: .5s ease; }
.reveal.visible{ opacity: 1; transform: translateY(0); }

@media (min-width: 768px){
  .header-row{ grid-template-columns: 1fr auto auto; }
  .nav{
    grid-column: auto;
    display: flex !important;
    padding-bottom: 0;
  }
  #menuBtn{ display: none; }

  .hero-grid{ grid-template-columns: 1.6fr 1fr; align-items: start; }
  .cards{ grid-template-columns: repeat(2, 1fr); }
  .contact-grid{ grid-template-columns: 1.3fr .9fr; }
  .footer-grid{ grid-template-columns: 1.4fr .6fr; align-items: start; }
}