/* ── RESET ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

/* ── DESIGN TOKENS ───────────────────────────────────────────── */
:root {
  --ink:       #0a0a0a;
  --ink-soft:  #2d2d2d;
  --ink-muted: #6b6b6b;
  --paper:     #faf8f4;
  --paper2:    #f2efe9;
  --paper3:    #e8e4dc;
  --red:       #e63946;
  --red-dark:  #c1121f;
  --border:    rgba(10,10,10,.1);
  --mono:      'JetBrains Mono', monospace;
  --serif:     'Playfair Display', Georgia, serif;
  --sans:      'Inter', system-ui, sans-serif;
  --nav-h:     72px;
  --ease:      cubic-bezier(.4,0,.2,1);
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
p { color: var(--ink-soft); line-height: 1.75; }
.mono { font-family: var(--mono); }

/* ── GLITCH ───────────────────────────────────────────────────── */
.glitch { position: relative; display: inline-block; }
.glitch:hover { animation: glitch-main .3s steps(1) both; }
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
}
.glitch:hover::before {
  animation: glitch-top .3s steps(1) both;
  color: var(--red);
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
  transform: translate(-3px, -2px);
  opacity: 1;
}
.glitch:hover::after {
  animation: glitch-bot .3s steps(1) both;
  color: #00b4d8;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
  transform: translate(3px, 2px);
  opacity: 1;
}
@keyframes glitch-main {
  0%,100% { transform: translate(0); }
  20%      { transform: translate(-2px, 1px); }
  40%      { transform: translate(2px, -1px); }
  60%      { transform: translate(-1px, 2px); }
  80%      { transform: translate(1px, -2px); }
}
@keyframes glitch-top {
  0%,100% { transform: translate(-3px,-2px); }
  50%     { transform: translate(3px, 1px); }
}
@keyframes glitch-bot {
  0%,100% { transform: translate(3px, 2px); }
  50%     { transform: translate(-3px,-1px); }
}

/* ── NAV ──────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(250,248,244,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  height: var(--nav-h);
  display: flex; align-items: center; gap: 40px;
}
.nav-logo {
  font-family: var(--serif); font-size: 1.8rem; font-weight: 900;
  color: var(--ink); letter-spacing: -.02em;
}
.nav-dot { color: var(--red); }
.nav-links { display: flex; gap: 32px; list-style: none; margin-left: auto; }
.nav-links a {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em;
  color: var(--ink-muted); text-transform: lowercase;
  transition: color .2s;
}
.nav-links a:hover { color: var(--red); }
.burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px; margin-left: auto;
}
.burger span { display: block; width: 22px; height: 1.5px; background: var(--ink); }
.nav-mobile {
  display: none; list-style: none; padding: 16px 32px 20px;
  flex-direction: column; gap: 14px; border-top: 1px solid var(--border);
}
.nav-mobile a { font-family: var(--mono); font-size: .85rem; color: var(--ink-muted); }
.nav-mobile.open { display: flex; }

/* ── BUTTONS ──────────────────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--ink); color: var(--paper);
  font-family: var(--mono); font-size: .75rem; letter-spacing: .1em;
  padding: 14px 32px; border: none; cursor: pointer;
  transition: background .2s, transform .2s;
  text-transform: lowercase;
}
.btn-primary:hover { background: var(--red); transform: translateY(-2px); }
.btn-ghost {
  display: inline-block;
  background: transparent; color: var(--ink);
  font-family: var(--mono); font-size: .75rem; letter-spacing: .1em;
  padding: 13px 32px; border: 1.5px solid var(--ink); cursor: pointer;
  transition: all .2s; text-transform: lowercase;
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }

/* ── SECTION SHARED ───────────────────────────────────────────── */
.section { padding: 120px 0; }
.section-num {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .15em;
  color: var(--red); display: block; margin-bottom: 16px;
}
.section-title {
  font-family: var(--serif); font-size: clamp(2.5rem,5vw,4.5rem);
  font-weight: 900; line-height: 1.05; letter-spacing: -.02em;
  color: var(--ink); margin-bottom: 24px;
}
.section-title em { font-style: italic; color: var(--red); }
.section-sub { font-size: .75rem; color: var(--ink-muted); margin-bottom: 48px; }

/* ── HERO ──────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; padding-top: var(--nav-h);
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 0;
  max-width: 1200px; margin: 0 auto; padding-left: 32px; padding-right: 32px;
  position: relative;
}
.hero-label {
  display: flex; align-items: center; gap: 20px;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em;
  color: var(--ink-muted); margin-bottom: 24px; text-transform: uppercase;
}
.hero-status { display: flex; align-items: center; gap: 6px; color: #2d9e5c; }
.pulse {
  width: 8px; height: 8px; border-radius: 50%; background: #2d9e5c;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.5)} }
.hero-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 900; line-height: 1.0;
  letter-spacing: -.03em;
  margin-bottom: 28px;
}
.hero-title span { display: block; }
.hero-title em { font-style: italic; color: var(--red); display: block; }
.hero-desc {
  font-size: 1rem; color: var(--ink-soft);
  max-width: 480px; margin-bottom: 40px; line-height: 1.8;
}
.hero-cta { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-stack {
  font-size: .7rem; letter-spacing: .08em; color: var(--ink-muted);
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}
.hero-stack .sep { color: var(--red); }
.hero-right {
  display: flex; align-items: center; justify-content: center;
  height: 100%; min-height: 500px;
}
.globe-wrap {
  position: relative; width: 420px; height: 420px;
}
#globe { width: 100%; height: 100%; }
.globe-label {
  position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%);
  font-size: .65rem; letter-spacing: .15em; color: var(--ink-muted);
  text-transform: uppercase;
}
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  font-size: .65rem; letter-spacing: .15em; color: var(--ink-muted);
  animation: fadeY 2s ease infinite;
}
@keyframes fadeY { 0%,100%{opacity:.4;transform:translateX(-50%) translateY(0)} 50%{opacity:1;transform:translateX(-50%) translateY(4px)} }

/* ── ABOUT ──────────────────────────────────────────────────────── */
.about { background: var(--paper2); }
.about-grid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 80px 1fr 420px; gap: 48px; align-items: start;
}
.about-number {
  font-family: var(--serif); font-size: 8rem; font-weight: 900;
  color: var(--paper3); line-height: 1; padding-top: 8px;
  user-select: none;
}
.about-body { margin-bottom: 48px; }
.about-body p { margin-bottom: 16px; max-width: 520px; }
.about-stats {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 24px;
}
.stat-item { border-top: 2px solid var(--ink); padding-top: 12px; }
.stat-num {
  font-family: var(--serif); font-size: 2.2rem; font-weight: 900;
  color: var(--red); display: block; line-height: 1;
}
.stat-label { font-size: .65rem; letter-spacing: .08em; color: var(--ink-muted); margin-top: 4px; display: block; }
.about-terminal {
  background: #0d0d0d; border-radius: 8px; overflow: hidden;
  position: sticky; top: calc(var(--nav-h) + 20px);
  box-shadow: 0 20px 60px rgba(0,0,0,.15);
}
.term-bar {
  background: #1a1a1a; padding: 10px 14px;
  display: flex; align-items: center; gap: 6px;
}
.td { width: 11px; height: 11px; border-radius: 50%; }
.td.r { background: #ff5f57; } .td.y { background: #ffbd2e; } .td.g { background: #28c840; }
.term-title { margin-left: auto; font-size: .65rem; color: #555; letter-spacing: .06em; }
.term-body { padding: 16px 18px; min-height: 220px; font-size: .75rem; line-height: 1.8; }
.tl { color: #666; }
.tl .p { color: #00ff88; }
.tl .ok { color: #00cfff; }
.tl .err { color: #ff5f57; }
.tcursor { display: inline-block; width: 7px; height: 13px; background: #00ff88; animation: blink 1s step-end infinite; vertical-align: middle; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ── SKILLS TREE ─────────────────────────────────────────────── */
.skills { background: var(--paper); }
.skills-header {
  max-width: 1200px; margin: 0 auto; padding: 0 32px 48px;
}
.skill-tree-wrap {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  position: relative;
}
#skillTree { width: 100%; height: auto; overflow: visible; }
.skill-node circle {
  fill: var(--paper); stroke: var(--ink); stroke-width: 1.5;
  transition: fill .2s, r .2s;
  cursor: pointer;
}
.skill-node:hover circle { fill: var(--red); stroke: var(--red); }
.skill-node text {
  font-family: var(--mono); font-size: 11px; fill: var(--ink);
  pointer-events: none; user-select: none;
}
.skill-node:hover text { fill: var(--paper); }
.skill-branch { stroke: var(--paper3); stroke-width: 1.5; fill: none; }
.skill-root circle { fill: var(--ink) !important; stroke: var(--ink) !important; }
.skill-root text { fill: var(--paper) !important; font-size: 12px !important; font-weight: 600; }
.skill-cat circle { fill: var(--paper2) !important; stroke: var(--ink-soft) !important; }
.skill-tooltip {
  position: absolute; background: var(--ink); color: var(--paper);
  font-family: var(--mono); font-size: .7rem; padding: 8px 14px;
  pointer-events: none; opacity: 0; transition: opacity .2s;
  white-space: nowrap; z-index: 10;
  border-left: 3px solid var(--red);
}

/* ── PROJECTS ────────────────────────────────────────────────── */
.projects { background: var(--paper2); }
.projects-header {
  max-width: 1200px; margin: 0 auto; padding: 0 32px 64px;
}
.projects-grid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(2,1fr); gap: 2px;
}
.proj-card {
  background: var(--paper); padding: 48px 40px;
  border: 1px solid var(--border);
  transition: background .25s;
  position: relative; overflow: hidden;
}
.proj-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 0; background: var(--red);
  transition: height .3s var(--ease);
}
.proj-card:hover { background: var(--paper2); }
.proj-card:hover::before { height: 100%; }
.proj-featured { background: var(--ink); }
.proj-featured .proj-meta,
.proj-featured .proj-title,
.proj-featured .proj-desc,
.proj-featured .proj-stack span,
.proj-featured .proj-link { color: var(--paper) !important; }
.proj-featured::before { background: var(--red); }
.proj-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.proj-num { font-size: .65rem; letter-spacing: .15em; color: var(--red); }
.proj-tag {
  font-size: .6rem; letter-spacing: .12em; color: var(--ink-muted);
  border: 1px solid var(--border); padding: 3px 8px;
  text-transform: uppercase;
}
.proj-title {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 700;
  line-height: 1.2; margin-bottom: 16px; color: var(--ink);
}
.proj-desc { font-size: .9rem; margin-bottom: 24px; line-height: 1.7; }
.proj-stack { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.proj-stack span {
  font-size: .65rem; letter-spacing: .08em; color: var(--ink-muted);
  border-bottom: 1px solid var(--border); padding-bottom: 2px;
}
.proj-link { font-size: .7rem; letter-spacing: .06em; color: var(--red); }
.proj-link:hover { text-decoration: underline; }

/* ── LIVE METRICS ────────────────────────────────────────────── */
.metrics { background: var(--ink); }
.metrics .section-title { color: var(--paper); }
.metrics .section-title em { color: var(--red); }
.metrics-header {
  max-width: 1200px; margin: 0 auto; padding: 0 32px 64px;
}
.metrics-header .section-num { color: var(--red); }
.metrics-header .section-sub { color: #666; }
.metrics-grid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(4,1fr); gap: 2px;
}
.metric-card {
  background: #111; padding: 40px 32px;
  border: 1px solid #222;
  transition: background .2s;
}
.metric-card:hover { background: #161616; }
.metric-label { font-size: .65rem; letter-spacing: .12em; color: #555; text-transform: uppercase; margin-bottom: 16px; }
.metric-value {
  font-family: var(--serif); font-size: 4rem; font-weight: 900;
  color: var(--paper); line-height: 1; margin-bottom: 8px;
}
.metric-unit { font-size: .65rem; letter-spacing: .1em; color: #444; margin-bottom: 20px; }
.metric-bar { height: 2px; background: #222; }
.metric-fill { height: 100%; background: var(--red); width: 0; transition: width 1s var(--ease); }
.metrics-footer {
  max-width: 1200px; margin: 48px auto 0; padding: 0 32px;
  font-size: .65rem; letter-spacing: .1em; color: #444;
}

/* ── RESUME ──────────────────────────────────────────────────── */
.resume-sec { background: var(--paper2); }
.resume-grid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 340px 1fr; gap: 80px; align-items: start;
}
.resume-left .section-title { margin-bottom: 32px; }
.timeline { margin-bottom: 48px; }
.tl-item { display: grid; grid-template-columns: 100px 1fr; gap: 24px; margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
.tl-year { font-size: .65rem; letter-spacing: .08em; color: var(--red); padding-top: 4px; }
.tl-content h4 { font-family: var(--serif); font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.tl-content p { font-size: .88rem; }
.skills-list { display: flex; flex-wrap: wrap; gap: 8px; }
.skills-list span {
  font-size: .65rem; letter-spacing: .08em; color: var(--ink-muted);
  background: var(--paper3); padding: 6px 12px;
}

/* ── CONTACT ─────────────────────────────────────────────────── */
.contact { background: var(--paper); }
.contact-grid {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 340px 1fr; gap: 80px; align-items: start;
}
.contact-links { display: flex; flex-direction: column; gap: 20px; margin-top: 40px; }
.contact-link { display: flex; flex-direction: column; gap: 4px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.cl-label { font-size: .6rem; letter-spacing: .15em; color: var(--ink-muted); text-transform: uppercase; }
.cl-val { font-size: .85rem; color: var(--ink); }
.contact-form { display: flex; flex-direction: column; gap: 24px; }
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: .65rem; letter-spacing: .1em; color: var(--ink-muted); text-transform: uppercase; }
.form-row input,
.form-row textarea {
  background: transparent; border: none; border-bottom: 1.5px solid var(--border);
  padding: 12px 0; font-family: var(--sans); font-size: .95rem; color: var(--ink);
  transition: border-color .2s; resize: none; outline: none;
}
.form-row input:focus,
.form-row textarea:focus { border-color: var(--red); }
.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--paper3); }
.form-status { font-size: .72rem; letter-spacing: .06em; }
.form-status.ok { color: #2d9e5c; }
.form-status.err { color: var(--red); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-name { font-size: .72rem; letter-spacing: .08em; color: var(--ink); }
.footer-copy { font-size: .65rem; letter-spacing: .06em; color: var(--ink-muted); }

/* ── REVEAL ──────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 40px); }
  .hero-right { display: none; }
  .about-grid { grid-template-columns: 60px 1fr; }
  .about-terminal { display: none; }
  .about-stats { grid-template-columns: repeat(2,1fr); }
  .metrics-grid { grid-template-columns: repeat(2,1fr); }
  .resume-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  .hero { padding-left: 20px; padding-right: 20px; }
  .section { padding: 80px 0; }
  .about-grid { grid-template-columns: 1fr; padding: 0 20px; }
  .about-number { display: none; }
  .skills-header, .skill-tree-wrap, .projects-header, .projects-grid,
  .metrics-header, .metrics-grid, .metrics-footer,
  .resume-grid, .contact-grid, .footer-inner { padding-left: 20px; padding-right: 20px; }
  .projects-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .tl-item { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2,1fr); }
  .hero-cta { flex-direction: column; }
}