/* ── Variables ─────────────────────────────── */
:root {
  --bg:        #0a0a0f;
  --bg-card:   #0f0f1a;
  --bg-strip:  #0f0f1a;
  --border:    #1e1e2e;
  --border-card: #2d2d4e;
  --accent:    #6366f1;
  --accent-lt: #a5b4fc;
  --accent-dim: #1e1e3f;
  --text:      #f1f5f9;
  --muted:     #94a3b8;
  --faint:     #475569;
  --glow:      rgba(99,102,241,0.25);
  --radius:    12px;
  --nav-h:     60px;
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ── Container ──────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }

/* ── Section base ───────────────────────────── */
section { padding: 80px 0; }
.section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

/* ── Fade-in animation ──────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Nav ─────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.nav-inner {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #fff;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.5px;
}
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 1px;
  transition: background 0.2s, transform 0.1s !important;
}
.nav-cta:hover { background: #4f46e5 !important; transform: translateY(-1px); }

/* ── Hero ────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}
.hero-glow-1 {
  position: absolute; top: 10%; right: 10%;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.18), transparent 65%);
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute; bottom: 5%; left: 5%;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.12), transparent 65%);
  pointer-events: none;
}
.hero-available {
  font-size: 11px; font-weight: 600;
  letter-spacing: 3px; color: var(--accent);
  text-transform: uppercase; margin-bottom: 16px;
}
.hero-name {
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff;
  line-height: 1.05;
}
.hero-name span { color: var(--accent); }
.hero-sub {
  font-size: 16px; color: var(--muted);
  letter-spacing: 1px; margin-top: 12px;
}
.hero-bio {
  max-width: 520px;
  font-size: 14px; color: #64748b;
  line-height: 1.75; margin-top: 16px;
}
.hero-badge {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 20px;
  padding: 5px 14px;
  letter-spacing: 0.3px;
}
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent); color: #fff;
  padding: 13px 28px; border-radius: 28px;
  font-size: 12px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  transition: background 0.2s, transform 0.15s;
  cursor: pointer; display: inline-block;
}
.btn-primary:hover { background: #4f46e5; transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--border-card); color: var(--muted);
  padding: 13px 28px; border-radius: 28px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
  cursor: pointer; display: inline-block;
}
.btn-outline:hover { border-color: var(--accent); color: #fff; transform: translateY(-2px); }

/* ── Tech stack strip — marquee ─────────────── */
#stack {
  background: var(--bg-strip);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
}
.stack-marquee-wrapper {
  overflow: hidden;
  width: 100%;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.stack-track {
  display: inline-flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 10px;
  animation: marquee 28s linear infinite;
}
.stack-track:hover { animation-play-state: paused; }
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.stack-pill {
  background: #1a1a2e;
  color: var(--accent-lt);
  font-size: 10px; font-weight: 500;
  padding: 5px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-card);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Experience ─────────────────────────────── */
#experience { background: var(--bg); }
.exp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.exp-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--glow);
}
.exp-card.featured { border-left: 3px solid var(--accent); }
.exp-date { font-size: 10px; font-weight: 600; color: var(--accent); margin-bottom: 4px; }
.exp-role { font-weight: 700; color: #fff; font-size: 14px; line-height: 1.3; }
.exp-company { font-size: 11px; color: var(--faint); margin-top: 2px; margin-bottom: 10px; }
.exp-desc { font-size: 12px; color: var(--muted); line-height: 1.65; }
.exp-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 12px; }
.exp-tag {
  font-size: 9px; background: var(--accent-dim);
  color: var(--accent-lt);
  padding: 3px 8px; border-radius: 6px;
}

/* ── Education ──────────────────────────────── */
#skills { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.edu-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.edu-card:hover { transform: translateY(-2px); box-shadow: 0 6px 24px var(--glow); }
.edu-year { font-size: 10px; font-weight: 600; color: var(--accent); margin-bottom: 6px; }
.edu-degree { font-size: 15px; font-weight: 700; color: #fff; line-height: 1.3; }
.edu-degree-link { text-decoration: none; }
.edu-degree-link .edu-degree { color: var(--accent-lt); transition: color 0.2s; }
.edu-degree-link:hover .edu-degree { color: #fff; }
.edu-school { font-size: 12px; color: var(--muted); margin-top: 4px; }
.edu-detail { font-size: 11px; color: var(--faint); margin-top: 2px; }

/* ── Contact ─────────────────────────────────── */
#contact { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-heading { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.contact-blurb { font-size: 14px; color: var(--faint); line-height: 1.75; margin-bottom: 24px; }
.contact-detail { font-size: 13px; color: var(--accent-lt); margin-bottom: 6px; }
.contact-detail span { color: var(--faint); }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 12px; }
.form-input, .form-textarea {
  background: #1a1a2e;
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 13px 16px;
  font-size: 13px;
  color: #fff;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.form-input:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { height: 120px; resize: vertical; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--faint); }
.form-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 13px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  font-family: inherit;
}
.form-submit:hover { background: #4f46e5; transform: translateY(-1px); }
.form-error { font-size: 11px; color: #f87171; display: none; margin-top: -6px; }
.form-error.visible { display: block; }

/* ── Footer ──────────────────────────────────── */
#footer {
  background: #07070f;
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--faint);
}

/* ── Mobile ─────────────────────────────────── */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  section { padding: 56px 0; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero-name { font-size: 40px; }
  .exp-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}