:root{
  --bg: #0b0f19;
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.09);
  --border: rgba(255,255,255,.14);
  --primary: #6ee7ff;
  --primary2:#a78bfa;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
  --max: 1100px;
}

[data-theme="light"]{
  --bg: #f7f8fb;
  --text: rgba(0,0,0,.9);
  --muted: rgba(0,0,0,.62);
  --card: rgba(0,0,0,.04);
  --card2: rgba(0,0,0,.06);
  --border: rgba(0,0,0,.14);
  --primary: #2563eb;
  --primary2:#7c3aed;
  --shadow: 0 18px 50px rgba(0,0,0,.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;
  background:
    radial-gradient(1200px 800px at 10% 0%, rgba(110,231,255,.12), transparent 55%),
    radial-gradient(1100px 700px at 90% 20%, rgba(167,139,250,.12), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
.container{ max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.header{
  position: sticky;
  top:0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(0,0,0,.35), rgba(0,0,0,0));
  border-bottom: 1px solid rgba(255,255,255,.06);
}
[data-theme="light"] .header{
  background: linear-gradient(to bottom, rgba(247,248,251,.85), rgba(247,248,251,.35));
  border-bottom: 1px solid rgba(0,0,0,.06);
}

.nav{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .2px;
}
.brand__dot{
  width: 12px; height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: 0 0 0 6px rgba(110,231,255,.08);
}

.menu__toggle{ display:none; }

.menu__list{
  list-style:none;
  display:flex;
  align-items:center;
  gap: 10px;
  margin:0;
  padding:0;
}
.menu__link{
  display:inline-block;
  padding: 9px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
}
.menu__link:hover{
  color: var(--text);
  background: var(--card);
  border-color: var(--border);
}

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

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor:pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, filter .15s ease;
  user-select:none;
}
.btn:hover{ background: var(--card2); border-color: rgba(255,255,255,.22); transform: translateY(-1px); }
[data-theme="light"] .btn:hover{ border-color: rgba(0,0,0,.18); }

.btn--primary{
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #071018;
  font-weight: 800;
}
.btn--primary:hover{ filter: brightness(1.03); }

.btn--sm{ padding: 8px 10px; border-radius: 11px; font-size: 14px; }

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

.hero{ padding: 56px 0 22px; }
.hero__grid{
  display:grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 18px;
  align-items: stretch;
}
.hero__main{ padding: 26px; }
.hero__side{ padding: 18px; display:flex; flex-direction:column; gap: 12px; }

.pill{
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255,255,255,.04);
  margin:0;
  font-size: 13px;
}

h1{
  margin: 14px 0 10px;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.6px;
}
.lead{ margin: 0 0 18px; color: var(--muted); max-width: 62ch; }
.hero__ctas{ display:flex; gap: 10px; flex-wrap: wrap; }

.hero__stats{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.stat{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 12px;
}
.stat__num{ font-size: 22px; font-weight: 900; }
.stat__label{ color: var(--muted); font-size: 13px; }

.sidebox{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255,255,255,.03);
}
.sidebox h3{ margin: 0 0 6px; font-size: 16px; }
.sidebox p{ margin: 0; color: var(--muted); }

.checklist{ margin: 8px 0 0; padding-left: 18px; color: var(--muted); }
.checklist li{ margin: 6px 0; }

.section{ padding: 26px 0; }
.section__head{ margin-bottom: 12px; }
.section__head h2{ margin: 0 0 6px; font-size: 22px; }
.muted{ color: var(--muted); }

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.project{ padding: 16px; }
.project__top{ display:flex; align-items:center; justify-content:space-between; gap: 10px; }
.project__top h3{ margin: 0; font-size: 16px; }
.tag{
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255,255,255,.03);
}
.project__links{ margin-top: 12px; display:flex; gap: 10px; }

.skills{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.skill{ padding: 16px; }
.skill h3{ margin: 0 0 8px; font-size: 16px; }

.bullets{ margin: 0; padding-left: 18px; color: var(--muted); }
.bullets li{ margin: 6px 0; }

.about{ padding: 16px; }

.contact{ padding: 16px; display:grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.form{ display:flex; flex-direction:column; gap: 12px; }
.form__row{ display:grid; grid-template-columns: 1fr 1fr; gap: 10px; }
label{ display:flex; flex-direction:column; gap: 6px; font-size: 14px; color: var(--muted); }
input, textarea{
  width:100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text);
  outline: none;
}
input:focus, textarea:focus{
  border-color: rgba(110,231,255,.6);
  box-shadow: 0 0 0 4px rgba(110,231,255,.12);
}
[data-theme="light"] input, [data-theme="light"] textarea{ background: rgba(0,0,0,.03); }

.form__actions{ display:flex; align-items:center; gap: 12px; }
.contact__links{ display:flex; flex-direction:column; gap: 10px; align-self:start; }

.footer{ padding: 18px 0 30px; }
.footer__inner{ display:flex; align-items:center; justify-content:space-between; }

@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .skills{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .menu__toggle{ display:inline-flex; }
  .menu__list{
    position: absolute;
    top: 64px;
    right: 20px;
    left: 20px;
    display:none;
    flex-direction:column;
    padding: 12px;
    gap: 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
  }
  .menu__list.is-open{ display:flex; }
  .menu__link{ width: 100%; }
  .hero__stats{ grid-template-columns: 1fr; }
  .form__row{ grid-template-columns: 1fr; }
}