* { box-sizing: border-box; }

:root{
  --bg1:#0b1020;
  --bg2:#1a1450;

  --card: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.14);

  --text:#eaf0ff;
  --muted: rgba(234,240,255,0.75);

  --accent:#22d3ee;
  --accent2:#a78bfa;
  --accent3:#f472b6;
  --accent-soft: rgba(34,211,238,0.18);
}

html { scroll-behavior: smooth; }

body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.55;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(167,139,250,0.25), transparent 45%),
    radial-gradient(circle at top right, rgba(34,211,238,0.22), transparent 50%),
    radial-gradient(circle at bottom, rgba(244,114,182,0.14), transparent 55%),
    linear-gradient(140deg, var(--bg2), var(--bg1) 55%, #081225);
}

#navbar{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 999;

  display:flex;
  gap: 10px;
  align-items:center;
  padding: 12px 16px;

  background: rgba(15,23,42,0.78);
  border-bottom: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
}

.nav-link{
  text-decoration:none;
  color: var(--text);
  font-weight: 900;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.nav-link:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.10);
  border-color: rgba(34,211,238,0.22);
}

section{
  scroll-margin-top: 78px; 
}

#welcome-section{
  height: 100vh;
  padding: 90px 18px 40px;
  display: grid;
  place-items: center;
  text-align: center;
}

.welcome-inner{
  width: min(900px, 92vw);
  padding: 22px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 18px 45px rgba(0,0,0,0.40);
  animation: floatIn .7s ease-out both;
}

.eyebrow{
  margin: 0 0 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 900;
  font-size: .82rem;
  color: rgba(234,240,255,0.72);
}

#welcome-section h1{
  margin: 0;
  font-size: clamp(1.7rem, 3.3vw, 2.7rem);
  letter-spacing: .3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sub{
  margin: .7rem auto 0;
  max-width: 60ch;
  color: var(--muted);
}

.chips{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 14px 0 0;
}

.chip{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  font-weight: 800;
  color: rgba(234,240,255,0.92);
  transition: transform .2s ease, background .2s ease;
}

.chip:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,0.12);
}

.primary-cta{
  display: inline-block;
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 1000;
  color: #081225;
  background: linear-gradient(90deg, var(--accent), rgba(34,211,238,0.65));
  box-shadow: 0 12px 26px rgba(34,211,238,0.18);
  transition: transform .2s ease, filter .2s ease;
}

.primary-cta:hover{ transform: translateY(-1px); filter: brightness(1.03); }
.primary-cta:active{ transform: scale(.98); }

#projects, #contact{
  max-width: 1000px;
  margin: 0 auto;
  padding: 56px 18px;
}

.section-head{
  margin-bottom: 16px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
}

.section-head h2{
  margin: 0;
  letter-spacing: .3px;
}

.muted{ color: var(--muted); }
.tiny{ color: rgba(234,240,255,0.68); font-size: .95rem; }

.projects-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.project-tile{
  border-radius: 18px;
  padding: 16px;
  background: rgba(0,0,0,0.16);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 14px 35px rgba(0,0,0,0.28);
  transition: transform .2s ease, border-color .2s ease;
}

.project-tile:hover{
  transform: translateY(-2px);
  border-color: rgba(34,211,238,0.28);
}

.project-tile h3{ margin: 0 0 6px; }
.project-tile p{ margin: 0; }

.tile-link{
  display: inline-block;
  margin-top: 12px;
  font-weight: 900;
  text-decoration: none;
  color: var(--accent);
  border-bottom: 1px dashed rgba(34,211,238,0.6);
}

.tile-link:hover{
  color: #fbbf24;
  border-bottom-color: rgba(251,191,36,0.7);
}

.contact-card{
  padding: 16px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 14px 35px rgba(0,0,0,0.35);
}

.contact-row{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-title{
  margin:0;
  font-weight: 1000;
  letter-spacing: .2px;
}

.divider{
  height: 1px;
  background: rgba(255,255,255,0.12);
  margin: 14px 0;
}

.footer{
  text-align:center;
  padding: 0 18px 28px;
  opacity: .85;
}

@keyframes floatIn{
  from{ opacity:0; transform: translateY(10px) scale(.98); }
  to{ opacity:1; transform: translateY(0) scale(1); }
}

@media (max-width: 720px){
  .projects-grid{ grid-template-columns: 1fr; }
  #navbar{ flex-wrap: wrap; }
}