:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.08);
  --text: #e8eefc;
  --muted: rgba(232, 238, 252, 0.7);
  --border: rgba(255,255,255,0.12);
  --shadow: 0 20px 60px rgba(0,0,0,0.35);
  --radius: 18px;
  --accent1: #7c3aed;
  --accent2: #22d3ee;
}

[data-theme="light"]{
  --bg: #f6f7fb;
  --panel: rgba(0,0,0,0.05);
  --panel2: rgba(0,0,0,0.07);
  --text: #0d1220;
  --muted: rgba(13, 18, 32, 0.65);
  --border: rgba(0,0,0,0.10);
  --shadow: 0 20px 60px rgba(0,0,0,0.12);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1000px 600px at 15% 10%, rgba(124,58,237,0.20), transparent 60%),
    radial-gradient(900px 600px at 90% 20%, rgba(34,211,238,0.18), transparent 55%),
    var(--bg);
  color: var(--text);
}

a{ color: inherit; text-decoration: none; }

code{
  background: var(--panel);
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.container{
  max-width: 1040px;
  margin: 0 auto;
  padding: 120px 20px 80px;
}

.progress{
  position: fixed;
  left: 0;
  top: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  z-index: 9999;
}

/* Nav */
.nav{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  backdrop-filter: blur(14px);
  background: rgba(10, 15, 28, 0.55);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .nav{ background: rgba(246, 247, 251, 0.75); }

.nav__inner{
  max-width: 1040px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand__dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  box-shadow: 0 0 20px rgba(124,58,237,0.35);
}

.nav__links{
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav__links a{
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
}

.nav__links a:hover{
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
}

.icon-btn{
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  box-shadow: none;
}

.icon-btn:hover{ background: var(--panel2); }
.nav__menu{ display: none; }

.mobile{
  display: none;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px 12px;
  gap: 10px;
}

.mobile a{
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
}

.mobile a:hover{ color: var(--text); background: var(--panel2); }

/* Hero */
.hero{
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 22px;
  align-items: start;
  margin-top: 10px;
}

.pill{
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 13px;
}

.hero__title{ margin: 14px 0 8px; font-size: 46px; line-height: 1.05; }

.grad{
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle{ margin: 0 0 12px; font-size: 18px; color: var(--muted); }
.type{ color: var(--text); font-weight: 700; }

.cursor{
  display: inline-block;
  width: 10px;
  height: 18px;
  transform: translateY(3px);
  border-right: 2px solid var(--text);
  margin-left: 4px;
  opacity: 0.8;
  animation: blink 0.9s infinite;
}

@keyframes blink { 50% { opacity: 0.15; } }

.hero__desc{ margin: 0 0 18px; max-width: 60ch; color: var(--muted); }

.hero__cta{ display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0 8px; }

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: #06111d;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.btn:hover{ transform: translateY(-1px); }

.btn--ghost{
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn--ghost:hover{ background: var(--panel); }

.social{ display:flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 14px; }

.social__item{
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 9px 12px;
  border-radius: 14px;
  color: var(--muted);
  cursor: pointer;
}

.social__item:hover{ background: var(--panel2); color: var(--text); }

.toast{ margin-left: 8px; color: var(--muted); font-size: 13px; }

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

.card__top{ display:flex; gap: 12px; align-items: center; margin-bottom: 14px; }

.avatar{
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(124,58,237,0.35), rgba(34,211,238,0.25));
  border: 1px solid var(--border);
}

.card__name{ margin: 0; font-weight: 800; }
.card__role{ margin: 3px 0 0; }

.stats{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }

.stat{
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

.stat__label{ margin: 0; font-size: 12px; }
.stat__value{ margin: 6px 0 0; font-weight: 800; font-size: 14px; }
.card__hint{ margin-top: 14px; font-size: 13px; }

/* Sections */
.section{ margin-top: 50px; }

.section__head h2{ margin: 0 0 6px; font-size: 28px; }
.section__head p{ margin: 0 0 18px; }

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

.project{
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.project__top{ display:flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.project__title{ margin: 0; font-size: 16px; line-height: 1.2; }

.badge{
  font-size: 12px;
  padding: 6px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255,255,255,0.03);
  white-space: nowrap;
}

.project__desc{ margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.tags{ display:flex; flex-wrap: wrap; gap: 8px; }
.tag{ font-size: 12px; padding: 6px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }

.project__actions{ margin-top: auto; display:flex; gap: 10px; flex-wrap: wrap; }
.project__actions .btn{ box-shadow: none; }

/* Experience */
.exp-grid{ display:grid; grid-template-columns: 1fr; gap: 14px; }

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

.exp__top{ display:flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.exp__title{ margin: 0; font-size: 16px; line-height: 1.35; }

.bullets{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.bullets li{ margin: 6px 0; }

/* Skills */
.skills-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.skills__title{ margin: 0 0 10px; font-size: 16px; }

.chips{ display:flex; flex-wrap: wrap; gap: 10px; }

.chip{
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
}

.chip:hover{ background: var(--panel2); color: var(--text); }

/* Contact */
.contact{ display:grid; grid-template-columns: 1.2fr 0.8fr; gap: 14px; }

.contact__card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 18px;
  box-shadow: var(--shadow);
}

.contact__actions{ display:flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }

.contact__note{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  padding: 18px;
}

.muted{ color: var(--muted); }
.tiny{ font-size: 13px; }

/* Reveal animation */
.reveal{ opacity: 0; transform: translateY(12px); transition: 600ms ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* Modal */
.modal{ position: fixed; inset: 0; display:none; z-index: 2000; }
.modal.show{ display:block; }
.modal__overlay{ position:absolute; inset:0; background: rgba(0,0,0,0.55); backdrop-filter: blur(6px); }

.modal__panel{
  position: relative;
  width: min(720px, calc(100% - 24px));
  margin: 90px auto 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow);
  padding: 16px;
}

.modal__head{ display:flex; align-items:center; justify-content: space-between; gap: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.modal__body{ padding: 12px 2px 6px; color: var(--muted); line-height: 1.6; }
.modal__foot{ display:flex; gap: 10px; flex-wrap: wrap; padding-top: 10px; border-top: 1px solid var(--border); }

/* Back to top */
.to-top{
  position: fixed;
  right: 16px;
  bottom: 16px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  display: none;
}

.to-top.show{ display:block; }
.to-top:hover{ background: var(--panel2); }

@media (max-width: 920px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
  .hero{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .nav__links{ display:none; }
  .nav__menu{ display:block; margin-left: auto; }
  .grid{ grid-template-columns: 1fr; }
  .skills-grid{ grid-template-columns: 1fr; }
  .hero__title{ font-size: 38px; }
}