:root {
  --bg: #05070c;
  --panel: #0b111c;
  --panel-2: #111827;
  --accent: #2dd4bf;
  --accent-dim: rgba(45, 212, 191, 0.15);
  --text: #edf3ff;
  --text-dim: #94a3b8;
  --muted: #64748b;
  --line: rgba(148, 163, 184, 0.12);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --radius: 16px;
}

[data-theme="light"] {
  --bg: #f8fafc;
  --panel: #ffffff;
  --panel-2: #f1f5f9;
  --accent: #0d9488;
  --accent-dim: rgba(13, 148, 136, 0.1);
  --text: #0f172a;
  --text-dim: #475569;
  --muted: #94a3b8;
  --line: rgba(0, 0, 0, 0.08);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}
a { color: inherit; }
::selection { background: var(--accent-dim); color: var(--text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.page-glow { position: fixed; inset: auto -10rem -20rem auto; width: 35rem; height: 35rem; background: radial-gradient(circle, var(--accent), transparent 70%); opacity: 0.08; filter: blur(90px); pointer-events: none; }

.site-header, .footer, .section-shell { width: min(960px, calc(100% - 48px)); margin-inline: auto; }

/* ── Header ─────────────────────────────────────────────────────────── */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 0.95rem; }
.brand-mark {
  display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #0d9488);
  color: #0b111c; font-weight: 900; font-size: 0.85rem;
}
.brand-name { color: var(--text-dim); }

/* ── Theme toggle ─────────────────────────────────────────────────── */
.theme-toggle {
  background: none; border: 1px solid var(--line); border-radius: 8px;
  width: 36px; height: 36px; cursor: pointer; font-size: 1.1rem;
  display: grid; place-items: center; flex-shrink: 0;
  transition: background .15s;
  color: var(--text-dim);
}
.theme-toggle:hover { background: var(--accent-dim); }
.nav-actions { display: flex; align-items: center; gap: 8px; }

/* ── Hamburger ──────────────────────────────────────────────────────── */
.nav-toggle { display: none; }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; z-index: 11; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-dim); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle:checked ~ .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked ~ .nav-hamburger span:nth-child(2) { opacity: 0; }
.nav-toggle:checked ~ .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--text-dim); text-decoration: none; padding: 8px 14px; border-radius: 8px; font-size: 0.9rem; font-weight: 500; transition: color .15s, background .15s; }
.nav a:hover { color: var(--text); background: rgba(148, 163, 184, 0.08); }
.nav a.active { color: var(--accent); background: var(--accent-dim); }
.nav-divider { width: 1px; height: 20px; background: var(--line); margin: 0 6px; }
.nav-icon { display: inline-flex; align-items: center; justify-content: center; padding: 8px !important; color: var(--text-dim); }
.nav-icon:hover { color: var(--accent) !important; }
.nav-icon svg { display: block; }

/* ── Sections ───────────────────────────────────────────────────────── */
.section-shell { padding: 64px 0; }
.section-shell:first-of-type { padding-top: 48px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 700; margin-bottom: 8px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 20px; font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }
.lead { color: var(--text-dim); font-size: 1.05rem; line-height: 1.7; max-width: 680px; }
.section-text { color: var(--muted); font-size: 0.95rem; line-height: 1.75; }
.hero { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 40px; align-items: center; min-height: 60vh; padding: 32px 0 64px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0 18px; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 0.9rem;
  transition: all .15s;
}
.button.primary { background: var(--accent); color: #0b111c; }
.button.primary:hover { filter: brightness(1.15); transform: translateY(-1px); }
.button.secondary { border: 1px solid var(--line); color: var(--text-dim); }
.button.secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ── Status bar ────────────────────────────────────────────────────── */
.status-bar {
  width: min(960px, calc(100% - 48px)); margin-inline: auto;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: 10px;
  background: var(--accent-dim); border: 1px solid rgba(45, 212, 191, 0.25);
  font-size: 0.85rem; margin-top: -8px; margin-bottom: 16px;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.status-text { color: var(--text-dim); }
.status-link { color: var(--accent); font-weight: 600; margin-left: auto; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
.status-link:hover { text-decoration: underline; }

/* ── Metrics strip ────────────────────────────────────────────────── */
.metrics-strip {
  width: min(960px, calc(100% - 48px)); margin-inline: auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-top: -8px; margin-bottom: 16px;
}
.metric {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 12px; text-align: center;
}
.metric-value {
  display: block; font-size: 1.8rem; font-weight: 800;
  color: var(--accent); line-height: 1;
}
.metric-label {
  display: block; font-size: 0.78rem; color: var(--muted);
  margin-top: 6px; text-transform: uppercase; letter-spacing: 0.06em;
}

/* ── Scroll animations ─────────────────────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Typing effect ─────────────────────────────────────────────────── */
.typewriter { visibility: hidden; }
.typewriter::after { content: '|'; color: var(--accent); animation: blink-caret .75s step-end infinite; }
@keyframes blink-caret { 50% { opacity: 0; } }

/* ── Decorative blobs ───────────────────────────────────────────────── */
.hero-visual { position: relative; min-height: 400px; display: grid; place-items: center; }
.hero-logo { display: block; width: 100%; max-width: 400px; height: auto; object-fit: contain; }
.blob { position: absolute; border-radius: 50%; opacity: 0.15; pointer-events: none; }
.blob-4 { width: 280px; height: 280px; background: radial-gradient(circle, var(--accent), transparent); position: relative; margin: 0 auto; animation: float 11s ease-in-out infinite; }
.blob-sm { width: 120px; height: 120px; background: radial-gradient(circle, var(--accent), transparent); position: relative; margin: 0 auto; opacity: 0.2; animation: float 9s ease-in-out infinite; }
.blob-portrait { width: 200px; height: 200px; background: radial-gradient(circle at 30% 30%, var(--accent), #38bdf8); position: relative; margin: 0 auto; opacity: 0.2; animation: float 10s ease-in-out infinite; }
.resume-photo { display: block; width: 100%; max-width: 220px; height: auto; border-radius: 50%; aspect-ratio: 1; object-fit: cover; border: 3px solid var(--accent); box-shadow: 0 0 30px var(--accent-dim); }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-24px) scale(1.03); }
}

/* ── Cards & grids ──────────────────────────────────────────────────── */
.split-section { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; border-top: 1px solid var(--line); padding-top: 60px; }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card, .project-card, .timeline-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .15s, transform .15s;
}
.card:hover, .project-card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.card { padding: 28px; }
.card-icon { color: var(--accent); font-weight: 800; margin-bottom: 40px; font-size: 1.1rem; }
.card p, .project-card p, .timeline-card li { color: var(--muted); line-height: 1.6; font-size: 0.9rem; }
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; border-top: 1px solid var(--line); padding-top: 60px; }
.text-link { color: var(--accent); font-weight: 600; text-decoration: none; font-size: 0.9rem; }
.text-link:hover { text-decoration: underline; }
.skill-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.skill-cloud span, .tech-list span {
  border: 1px solid var(--line); color: var(--text-dim); background: var(--panel);
  padding: 7px 12px; border-radius: 6px; font-size: 0.8rem; font-weight: 500;
  transition: border-color .15s, color .15s;
}
.skill-cloud span:hover, .tech-list span:hover { border-color: var(--accent-dim); color: var(--accent); }
.skill-cloud.compact span { font-size: 0.75rem; padding: 6px 10px; }
.page-hero { padding: 40px 0 20px; }

/* ── Projects ───────────────────────────────────────────────────────── */
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.project-card { padding: 0; overflow: hidden; }
.project-thumb { min-height: 160px; display: grid; place-items: center; background: var(--panel-2); border-bottom: 1px solid var(--line); overflow: hidden; }
.project-screenshot { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.project-body { padding: 20px; }
.project-body h2 { font-size: 1.1rem; margin-bottom: 8px; }
.project-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.project-header h2 { margin-bottom: 0; }
.status-badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; white-space: nowrap;
}
.status-active { background: rgba(45, 212, 191, 0.15); color: var(--accent); }
.project-actions { display: flex; gap: 14px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
.expand-btn { background: none; border: none; cursor: pointer; font-family: inherit; padding: 0; }
.expand-btn:hover { text-decoration: underline; }
.project-details {
  margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line);
  animation: fade-slide-in .25s ease;
}
.project-details p { color: var(--muted); font-size: 0.88rem; line-height: 1.7; }
@keyframes fade-slide-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.tech-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; }

/* ── Resume ─────────────────────────────────────────────────────────── */
.resume-intro { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 40px; align-items: center; }
.resume-visual { min-height: 200px; display: grid; place-items: center; }
.contact-strip { display: flex; flex-wrap: wrap; gap: 10px; color: var(--text-dim); margin-top: 20px; }
.contact-strip > * {
  border: 1px solid var(--line); padding: 7px 12px; border-radius: 8px;
  background: var(--panel); text-decoration: none; font-size: 0.85rem;
}
.download-link { color: var(--accent); font-weight: 600; }
.download-link:hover { background: var(--accent-dim); }
.timeline { border-top: 1px solid var(--line); padding-top: 32px; }
.timeline-item {
  display: grid; grid-template-columns: 200px 1fr; gap: 24px;
  padding: 24px 0; border-bottom: 1px solid var(--line);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-meta { color: var(--muted); padding-top: 2px; }
.timeline-meta strong { display: block; color: var(--accent); margin-bottom: 4px; font-size: 0.85rem; font-weight: 600; }
.timeline-meta span { font-size: 0.85rem; }
.timeline-card { background: transparent; border: none; padding: 0; box-shadow: none; }
.timeline-card h2 { font-size: 1.05rem; margin-bottom: 2px; }
.timeline-card .company { color: var(--accent); font-weight: 600; font-size: 0.9rem; margin-bottom: 10px; }
.timeline-card ul { margin: 0; padding-left: 18px; }
.timeline-card li { margin-bottom: 6px; }
.timeline-card li:last-child { margin-bottom: 0; }

/* ── Error pages ────────────────────────────────────────────────────── */
.error-page { text-align: center; min-height: 50vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.error-page .eyebrow { font-size: 4rem; letter-spacing: -0.04em; color: var(--accent); margin-bottom: 0; }
.error-page .button { margin-top: 20px; }

/* ── Footer ─────────────────────────────────────────────────────────── */
.footer {
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  padding: 32px 0 48px; color: var(--muted);
  border-top: 1px solid var(--line); margin-top: 40px;
}
.footer p { margin: 4px 0 0; font-size: 0.85rem; }
.footer-links { display: flex; align-items: center; gap: 16px; }
.footer-link { color: var(--text-dim); text-decoration: none; font-weight: 500; font-size: 0.85rem; }
.footer-link:hover { color: var(--accent); }
.footer-credit { font-size: 0.8rem; color: var(--muted); }

/* ── Mobile ─────────────────────────────────────────────────────────── */
@media (max-width: 800px) {
  .brand-name { display: none; }
  .nav-hamburger { display: flex; }
  .nav {
    display: none; flex-direction: column; position: fixed;
    top: 0; right: 0; width: 240px; height: 100vh;
    background: var(--panel); padding: 80px 20px 24px; gap: 2px;
    box-shadow: -8px 0 30px rgba(0,0,0,0.4);
    border-left: 1px solid var(--line);
  }
  .nav a { padding: 12px 14px; border-radius: 8px; font-size: 0.95rem; }
  .nav-divider { width: 100%; height: 1px; margin: 8px 0; }
  .nav-icon { padding: 12px 14px !important; justify-content: flex-start; gap: 8px; }
  .nav-icon svg { width: 18px; height: 18px; }
  .nav-toggle:checked ~ .nav { display: flex; }

  .site-header, .footer { flex-direction: column; align-items: flex-start; }
  .hero, .split-section, .showcase, .resume-intro, .timeline-item { grid-template-columns: 1fr; }
  .cards-grid, .project-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 200px; }
  .timeline-item { grid-template-columns: 1fr; gap: 8px; }
  .timeline-meta { display: flex; gap: 12px; align-items: baseline; }
  .footer-links { margin-top: 4px; }
  .metrics-strip { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: clamp(2rem, 10vw, 2.8rem); }
  .terminal-section { display: none; }
}

/* ── Terminal widget ──────────────────────────────────────────────── */
.terminal-section h2 { margin-bottom: 4px; }
.terminal-section .section-text { margin-bottom: 16px; }
.terminal-section kbd {
  display: inline-block; padding: 2px 7px; border-radius: 4px;
  font-size: 0.8rem; font-family: inherit; font-weight: 600;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(45, 212, 191, 0.3);
}
.terminal {
  background: #0a0e17; border: 1px solid var(--line); border-radius: 12px;
  font-family: 'Menlo', 'Consolas', 'Courier New', monospace;
  font-size: 0.82rem; line-height: 1.6; overflow: hidden;
}
.terminal-output {
  padding: 16px 18px 8px; max-height: 260px; overflow-y: auto;
}
.terminal-line { white-space: pre-wrap; word-break: break-word; margin-bottom: 4px; }
.terminal-line.output { color: var(--text-dim); }
.terminal-line.output:nth-child(4) { color: var(--accent); }
.prompt { color: var(--accent); font-weight: 600; }
.cmd { color: var(--text); }
.terminal-input-line {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 18px 16px; border-top: 1px solid var(--line);
}
.terminal-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font: inherit; font-size: 0.82rem;
  caret-color: var(--accent);
}

/* ── Back to top ──────────────────────────────────────────────────── */
#back-to-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 100;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent); color: #0b111c;
  border: none; cursor: pointer; font-size: 1.3rem; font-weight: 700;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity .3s, transform .3s;
  box-shadow: 0 4px 20px rgba(45, 212, 191, 0.3);
}
#back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
#back-to-top:hover { filter: brightness(1.15); }

/* ── Contact form ────────────────────────────────────────────────── */
.contact-form { max-width: 560px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-dim); margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 14px; border-radius: 8px;
  background: var(--panel); border: 1px solid var(--line); color: var(--text);
  font-family: inherit; font-size: 0.95rem; transition: border-color .15s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-success { text-align: center; padding: 60px 20px; }
.form-success p { font-size: 1.15rem; margin-bottom: 24px; color: var(--text-dim); }

/* Honeypot anti-spam field — hidden from humans, visible to bots */
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ── Skill icons ──────────────────────────────────────────────────── */
.skill-item::before {
  display: inline-block; margin-right: 4px; font-size: 0.8rem;
}
.skill-item[data-skill="Python"]::before { content: "🐍"; }
.skill-item[data-skill="Django"]::before { content: "◆"; color: var(--accent); font-weight: 700; }
.skill-item[data-skill="GitHub"]::before { content: "🐙"; }
.skill-item[data-skill="Claude"]::before { content: "🧠"; }
.skill-item[data-skill="OpenAI API"]::before { content: "🤖"; }
.skill-item[data-skill="Ubuntu"]::before { content: "🐧"; }
.skill-item[data-skill="WordPress"]::before { content: "🔌"; }
.skill-item[data-skill="Adobe Illustrator"]::before { content: "🎨"; }