/* ─── Design tokens ───────────────────────────────────────────── */
:root{
  --bg:     #0b0f14;
  --bg2:    #0f1520;
  --card:   #0f172a;
  --text:   #e6edf3;
  --muted:  #a6b3c2;
  --line:   rgba(255,255,255,.08);
  --accent: #7c3aed;
  --accent2:#22c55e;

  --shadow:    0 14px 40px rgba(0,0,0,.35);
  --shadow-sm: 0 4px 16px rgba(0,0,0,.25);
  --radius:    18px;
  --radius-sm: 12px;

  --max:  1120px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --transition: 180ms ease;
}

[data-theme="light"]{
  --bg:    #f7f8fb;
  --bg2:   #eef1f7;
  --card:  #ffffff;
  --text:  #0b1220;
  --muted: #4b5563;
  --line:  rgba(15,23,42,.10);
  --shadow:    0 14px 40px rgba(15,23,42,.10);
  --shadow-sm: 0 4px 16px rgba(15,23,42,.08);
}

/* ─── Reset ───────────────────────────────────────────────────── */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.6;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(124,58,237,.22), transparent 60%),
    radial-gradient(900px 500px at 90% 10%,  rgba(34,197,94,.12),  transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  background-attachment:fixed;
  color:var(--text);
}
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

/* ─── Layout ──────────────────────────────────────────────────── */
.container{
  width: min(var(--max), calc(100% - 40px));
  margin:0 auto;
}

/* ─── Skip link ───────────────────────────────────────────────── */
.skip-link{
  position:absolute;
  left:-999px;
  top:10px;
  background:var(--card);
  border:1px solid var(--line);
  padding:10px 12px;
  border-radius:var(--radius-sm);
  z-index:9999;
}
.skip-link:focus{ left:12px; }

/* ─── Header / Nav ────────────────────────────────────────────── */
.header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  background:rgba(10,15,20,.60);
  border-bottom:1px solid var(--line);
  transition:background var(--transition);
}
[data-theme="light"] .header{
  background:rgba(247,248,251,.82);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:13px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:15px;
  letter-spacing:.2px;
  transition:opacity var(--transition);
}
.brand:hover{ opacity:.8; }

.brand-dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background:linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow:0 0 0 4px rgba(124,58,237,.18);
  flex-shrink:0;
}

.nav-links{
  display:flex;
  gap:4px;
  align-items:center;
}
.nav-links a{
  padding:8px 12px;
  border-radius:var(--radius-sm);
  color:var(--muted);
  font-size:14px;
  font-weight:500;
  transition:color var(--transition), background var(--transition);
}
.nav-links a:hover{
  color:var(--text);
  background:rgba(255,255,255,.05);
}

.nav-actions{ display:flex; gap:8px; align-items:center; }

.icon-btn{
  width:40px;
  height:40px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  padding:0;
  line-height:1;
  transition:background var(--transition), border-color var(--transition);
}
.icon-btn:hover{
  background:rgba(255,255,255,.07);
  border-color:rgba(255,255,255,.14);
}

.mobile-menu-btn{ display:none; }

.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  padding:8px 0 12px;
}
.mobile-menu .m-link{
  display:block;
  padding:11px 12px;
  color:var(--muted);
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:500;
  transition:color var(--transition), background var(--transition);
}
.mobile-menu .m-link:hover{
  color:var(--text);
  background:rgba(255,255,255,.04);
}

/* ─── Hero ────────────────────────────────────────────────────── */
.hero{ padding:72px 0 44px; }

.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:24px;
  align-items:start;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  padding:8px 14px;
  border-radius:999px;
  color:var(--muted);
  font-size:13px;
  font-weight:500;
  margin:0 0 18px;
}
.badge i{ color:var(--accent); font-size:11px; }

h1{
  font-size:clamp(28px, 4vw, 46px);
  line-height:1.1;
  font-weight:700;
  margin:0 0 14px;
  letter-spacing:-.5px;
}

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

.lead{
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
  margin:0 0 22px;
  max-width:560px;
}

.hero-cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:0 0 24px;
}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 16px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  font-size:14px;
  font-weight:500;
  transition:background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover{
  background:rgba(255,255,255,.07);
  border-color:rgba(255,255,255,.14);
  transform:translateY(-1px);
  box-shadow:var(--shadow-sm);
}
.btn:active{ transform:translateY(0); box-shadow:none; }

.btn.primary{
  border-color:rgba(124,58,237,.45);
  background:linear-gradient(160deg, rgba(124,58,237,.35), rgba(124,58,237,.15));
}
.btn.primary:hover{
  border-color:rgba(124,58,237,.65);
  background:linear-gradient(160deg, rgba(124,58,237,.45), rgba(124,58,237,.22));
  box-shadow:0 4px 20px rgba(124,58,237,.25);
}
.btn.ghost{ background:transparent; }
.btn.ghost:hover{ background:rgba(255,255,255,.05); }

.btn.small{
  padding:8px 13px;
  border-radius:10px;
  font-size:13px;
}

/* ─── Hero metrics ────────────────────────────────────────────── */
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:10px;
}
.metric{
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  border-radius:var(--radius-sm);
  padding:12px 14px;
  transition:background var(--transition);
}
.metric:hover{ background:rgba(255,255,255,.04); }
.metric-title{
  color:var(--muted);
  font-size:10px;
  font-weight:600;
  letter-spacing:.7px;
  text-transform:uppercase;
  margin-bottom:5px;
}
.metric-value{
  font-weight:600;
  font-size:13px;
  line-height:1.4;
}

/* ─── Hero card ───────────────────────────────────────────────── */
.hero-card{
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
  position:sticky;
  top:76px;
}

.profile{
  display:grid;
  grid-template-columns:80px 1fr;
  gap:14px;
  align-items:start;
  margin-bottom:16px;
}
.profile-img{
  width:80px;
  height:80px;
  border-radius:22px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:28px;
  color:var(--muted);
  overflow:hidden;
}
.profile-img img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.profile-info h2{
  margin:2px 0 10px;
  font-size:15px;
  font-weight:600;
}
.checklist{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:7px;
  color:var(--muted);
  font-size:13px;
  line-height:1.5;
}
.checklist li{ display:flex; align-items:baseline; }
.checklist i{ color:var(--accent2); margin-right:8px; font-size:11px; flex-shrink:0; }

.mini-actions{
  display:flex;
  gap:8px;
  margin-top:14px;
}
.mini-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 11px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  border-radius:var(--radius-sm);
  color:var(--muted);
  font-size:13px;
  font-weight:500;
  transition:color var(--transition), background var(--transition);
}
.mini-link:hover{ color:var(--text); background:rgba(255,255,255,.06); }
.mini-link i{ font-size:11px; color:var(--accent); }

.note{
  border:1px solid rgba(34,197,94,.2);
  background:rgba(34,197,94,.05);
  border-radius:var(--radius-sm);
  padding:13px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.note i{ margin-top:2px; color:var(--accent2); flex-shrink:0; font-size:13px; }
.note p{ margin:0; color:var(--muted); line-height:1.6; font-size:13px; }

/* ─── Sections ────────────────────────────────────────────────── */
.section{ padding:72px 0; }
.section.alt{
  background:linear-gradient(180deg, transparent, rgba(255,255,255,.015), transparent);
}

.section-head{ margin-bottom:28px; }
.section-head h2{
  margin:0 0 8px;
  font-size:24px;
  font-weight:700;
  letter-spacing:-.3px;
  display:flex;
  align-items:center;
  gap:12px;
}
/* Accent bar before each section heading */
.section-head h2::before{
  content:'';
  display:inline-block;
  width:4px;
  height:22px;
  border-radius:4px;
  background:linear-gradient(180deg, var(--accent), var(--accent2));
  flex-shrink:0;
}

.muted{ color:var(--muted); margin:0; line-height:1.75; }

/* ─── 2-col grid ──────────────────────────────────────────────── */
.grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}

/* ─── Cards ───────────────────────────────────────────────────── */
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.02);
  padding:22px;
  box-shadow:var(--shadow);
  transition:border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover{
  border-color:rgba(255,255,255,.13);
  box-shadow:0 20px 50px rgba(0,0,0,.4);
  transform:translateY(-2px);
}
[data-theme="light"] .card:hover{
  box-shadow:0 20px 50px rgba(15,23,42,.12);
}
.card h3{ margin:0 0 10px; font-size:17px; font-weight:600; }
.card p{ margin:0 0 10px; color:var(--muted); line-height:1.7; font-size:14px; }
.card p:last-child{ margin-bottom:0; }

/* ─── Pills ───────────────────────────────────────────────────── */
.pill-row{ display:flex; flex-wrap:wrap; gap:8px; }
.pill{
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  border-radius:999px;
  padding:7px 13px;
  color:var(--muted);
  font-size:13px;
  display:inline-flex;
  gap:7px;
  align-items:center;
  transition:background var(--transition), color var(--transition);
}
.pill:hover{ background:rgba(255,255,255,.05); color:var(--text); }
.pill i{ color:var(--accent); font-size:12px; }

.divider{ height:1px; background:var(--line); margin:18px 0; }

.muted-title{
  font-size:11px;
  font-weight:600;
  letter-spacing:.6px;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 10px;
}

.two-col{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  line-height:1.85;
  font-size:14px;
}
.two-col li{ margin:5px 0; }

/* ─── Skills grid ─────────────────────────────────────────────── */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:16px;
}

.skill-card .card-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(124,58,237,.12), rgba(34,197,94,.06));
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:14px;
  color:var(--accent);
  font-size:18px;
  transition:background var(--transition);
}
.skill-card:hover .card-icon{
  background:linear-gradient(135deg, rgba(124,58,237,.22), rgba(34,197,94,.10));
}

.list{
  margin:0;
  padding-left:18px;
  color:var(--muted);
  line-height:1.9;
  font-size:13px;
}
.list li{ margin:3px 0; }

/* ─── Projects ────────────────────────────────────────────────── */
.project-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  /* Align rows so image areas and body areas line up across columns */
  align-items:start;
}

/* Project card: flex column so body fills remaining height */
.project-card{
  padding:0;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}

/* Fixed-height image zone — identical for every card */
.project-media{
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.03);
  height:200px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  position:relative;
}

/* Screenshot fills the zone, cropped from the top so UI content shows */
.project-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
  transition:transform 300ms ease;
}
.project-card:hover .project-media img{ transform:scale(1.03); }

/* Fallback icon shown when there is no image */
.media-fallback{
  width:100%;
  height:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  color:var(--muted);
  font-size:13px;
}
.media-fallback i{ font-size:28px; opacity:.45; }

/* Project body grows to fill the rest of the card */
.project-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex:1;
}

.project-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  margin-bottom:8px;
}
.project-top h3{ margin:0; font-size:16px; font-weight:600; }

.tag{
  font-size:11px;
  font-weight:500;
  color:var(--muted);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  padding:6px 10px;
  border-radius:999px;
  white-space:nowrap;
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  gap:5px;
}

.project-details{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.detail h4{
  margin:0 0 4px;
  font-size:10px;
  font-weight:600;
  letter-spacing:.6px;
  text-transform:uppercase;
  color:var(--muted);
}
.detail p{ margin:0; font-size:13px; line-height:1.6; }

/* Links row pinned to the bottom of every card body */
.project-links{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

/* ─── Timeline / Experience ───────────────────────────────────── */
.timeline{ display:grid; gap:16px; }
.timeline-top{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  margin-bottom:10px;
}
.timeline-top h3{ margin:0; }
.timeline-meta{
  color:var(--muted);
  font-size:12px;
  font-weight:500;
  white-space:nowrap;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  padding:5px 10px;
  border-radius:999px;
}

/* ─── Contact ─────────────────────────────────────────────────── */
.contact-list{
  display:grid;
  gap:10px;
  margin-top:14px;
}
.contact-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.02);
  color:var(--muted);
  font-size:14px;
  transition:color var(--transition), background var(--transition), border-color var(--transition);
  word-break:break-all;
}
.contact-item:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.13);
}
.contact-item i{
  color:var(--accent);
  width:16px;
  text-align:center;
  flex-shrink:0;
}

/* ─── Footer ──────────────────────────────────────────────────── */
.footer{
  border-top:1px solid var(--line);
  padding:20px 0;
  margin-top:20px;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.footer .muted{ font-size:13px; }

.to-top{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--muted);
  padding:9px 13px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  font-size:13px;
  font-weight:500;
  transition:color var(--transition), background var(--transition), transform var(--transition);
}
.to-top:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
  transform:translateY(-2px);
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width:980px){
  .hero{ padding:50px 0 30px; }
  .hero-grid{ grid-template-columns:1fr; }
  .hero-card{ position:static; }
  .lead{ max-width:100%; }
  .cards-grid{ grid-template-columns:1fr 1fr; }
  .grid-2{ grid-template-columns:1fr; }
  .project-grid{ grid-template-columns:1fr; }
  .project-details{ grid-template-columns:1fr 1fr; }
  .nav-links{ display:none; }
  .mobile-menu-btn{ display:inline-flex; }
  .mobile-menu.show{ display:block; }
}

@media (max-width:640px){
  .hero-metrics{ grid-template-columns:1fr; }
  .cards-grid{ grid-template-columns:1fr; }
  .project-details{ grid-template-columns:1fr; }
  .hero-cta{ gap:8px; }
  .section{ padding:52px 0; }
  .container{ width:calc(100% - 28px); }
}

@media (max-width:480px){
  .footer-inner{ flex-direction:column; align-items: center;}
  .timeline-top{ flex-direction:column; align-items:flex-start; gap:6px; }
  .project-top{ flex-direction:column; align-items:flex-start; }
}