/* ============================================================
   QUANG DO // PORTFOLIO
   brutalist base. variants swap a handful of vars + a flag.
============================================================ */

:root {
  --bg: #f2f0eb;
  --fg: #0a0a0a;
  --muted: #767270;
  --border: #0a0a0a;
  --accent: #0a0a0a;
  --paper: #ffffff;
  --shadow: 8px 8px 0 0 var(--border);
  --bw: 3px;          /* default border width */
  --tilt: 0deg;       /* chaos amount, multiplied per-element */
  --grain: 0;         /* 0..1 noise mix */
  --display: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

[data-theme="dark"] {
  --bg: #0a0a0a;
  --fg: #f2f0eb;
  --muted: #888581;
  --border: #f2f0eb;
  --paper: #161513;
  --accent: #f2f0eb;
}

[data-variant="acid"] {
  --accent: #d8ff00;
}
[data-variant="acid"][data-theme="dark"] {
  --accent: #d8ff00;
}

[data-variant="chaos"] {
  --tilt: 1deg;
  --bw: 4px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* ============================================================
   CUSTOM SCROLLBARS (brutalist)
============================================================ */
/* Page-wide */
html {
  scrollbar-color: var(--fg) var(--paper);
  scrollbar-width: auto;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
*::-webkit-scrollbar {
  width: 16px;
  height: 16px;
}
*::-webkit-scrollbar-track {
  background: var(--paper);
  border-left: 3px solid var(--border);
}
*::-webkit-scrollbar-thumb {
  background: var(--fg);
  border: 3px solid var(--border);
  /* checker pattern for that photocopier vibe */
  background-image:
    repeating-linear-gradient(45deg,
      var(--fg) 0 4px,
      var(--bg) 4px 5px);
}
*::-webkit-scrollbar-thumb:hover {
  background-image: none;
  background-color: var(--accent);
}
[data-variant="acid"] *::-webkit-scrollbar-thumb:hover {
  background-color: #d8ff00;
}
*::-webkit-scrollbar-corner {
  background: var(--paper);
  border-left: 3px solid var(--border);
  border-top: 3px solid var(--border);
}
/* horizontal scrollbar - only present on overflowing elements (pre, etc.) */
*::-webkit-scrollbar-track:horizontal {
  border-left: 0;
  border-top: 3px solid var(--border);
}
*::-webkit-scrollbar-button {
  display: block;
  height: 16px;
  width: 16px;
  background: var(--fg);
  border: 3px solid var(--border);
}
*::-webkit-scrollbar-button:vertical:start {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f2f0eb' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m6 14 6-6 6 6'/></svg>");
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
}
*::-webkit-scrollbar-button:vertical:end {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f2f0eb' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m6 10 6 6 6-6'/></svg>");
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
}
*::-webkit-scrollbar-button:horizontal:start {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f2f0eb' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m14 6-6 6 6 6'/></svg>");
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
}
*::-webkit-scrollbar-button:horizontal:end {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f2f0eb' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m10 6 6 6-6 6'/></svg>");
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
}
*::-webkit-scrollbar-button:hover { background-color: var(--accent); }

/* invert arrow color in dark mode so it stays visible on the light thumb */
[data-theme="dark"] *::-webkit-scrollbar-button:vertical:start {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m6 14 6-6 6 6'/></svg>");
}
[data-theme="dark"] *::-webkit-scrollbar-button:vertical:end {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m6 10 6 6 6-6'/></svg>");
}
[data-theme="dark"] *::-webkit-scrollbar-button:horizontal:start {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m14 6-6 6 6 6'/></svg>");
}
[data-theme="dark"] *::-webkit-scrollbar-button:horizontal:end {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m10 6 6 6-6 6'/></svg>");
}

/* Terminal-specific scrollbar - matrix green on black, no buttons */
.terminal-body {
  scrollbar-color: #d8ff00 #0a0a0a;
}
.terminal-body::-webkit-scrollbar {
  width: 12px;
}
.terminal-body::-webkit-scrollbar-track {
  background: #0a0a0a;
  border-left: 2px solid #d8ff00;
}
.terminal-body::-webkit-scrollbar-thumb {
  background-color: #0a0a0a;
  background-image:
    repeating-linear-gradient(0deg,
      #d8ff00 0 2px,
      #0a0a0a 2px 4px);
  border: 2px solid #d8ff00;
}
.terminal-body::-webkit-scrollbar-thumb:hover {
  background-image: none;
  background-color: #d8ff00;
}
.terminal-body::-webkit-scrollbar-button { display: none; }
.terminal-body::-webkit-scrollbar-corner { background: #0a0a0a; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--display);
  font-feature-settings: "ss01", "ss02";
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  cursor: default;
  overflow-x: clip;
}

/* Lucide icon helper */
.ic { width: 1em; height: 1em; display: inline-block; vertical-align: -0.14em; flex-shrink: 0; }
.ic.lg { width: 1.1em; height: 1.1em; }
.ic use { color: currentColor; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }

/* ============================================================
   LAYOUT PRIMITIVES
============================================================ */
.wrap { max-width: 1440px; margin: 0 auto; padding: 0 32px; }
.row { display: flex; }
.col { display: flex; flex-direction: column; }
.mono { font-family: var(--mono); font-feature-settings: "ss01"; }
.micro { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.muted { color: var(--muted); }

hr.thick {
  border: 0;
  border-top: var(--bw) solid var(--border);
}

.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.section {
  border-top: var(--bw) solid var(--border);
  padding: 56px 0;
  position: relative;
}
.section-head {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  align-items: baseline;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: clamp(40px, 6vw, 88px);
  line-height: 0.9;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}
.section-head .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
}

/* ============================================================
   HEADER + MARQUEE
============================================================ */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: var(--bw) solid var(--border);
}
.top-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px 32px;
}
.logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.02em;
  border: var(--bw) solid var(--border);
  padding: 6px 10px;
  background: var(--accent);
  color: var(--bg);
  user-select: none;
}
[data-variant="acid"] .logo { color: #0a0a0a; }
.nav { display: flex; gap: 18px; justify-self: end; }
.nav a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover { border-bottom-color: var(--fg); }
.top-right { display: flex; gap: 10px; align-items: center; }
.icon-btn {
  border: var(--bw) solid var(--border);
  width: 36px;
  height: 36px;
  padding: 0;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1;
  background: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-btn:hover { background: var(--fg); color: var(--bg); }

/* ============================================================
   MOBILE NAV (hamburger + overlay)
============================================================ */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle .nav-toggle-bar { width: 100%; }
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--fg);
  transition: transform 200ms ease, opacity 200ms ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-toggle:hover .nav-toggle-bar { background: var(--bg); }
.nav-toggle:hover { background: var(--fg); }

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 180;
  padding: 88px 24px 32px;
  overflow-y: auto;
  border-bottom: 4px solid var(--border);
  transform: translateY(-100%);
  transition: transform 280ms cubic-bezier(0.5, 0, 0.2, 1);
}
.nav-mobile.open { transform: translateY(0); }
.nav-mobile-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 3px solid var(--border);
}
.nav-mobile a {
  display: flex;
  align-items: center;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(28px, 8vw, 44px);
  letter-spacing: -0.02em;
  color: var(--fg);
  text-decoration: none;
  padding: 18px 8px;
  border-bottom: 3px solid var(--border);
  text-transform: uppercase;
  transition: padding-left 160ms ease, background 160ms ease;
}
.nav-mobile a:hover,
.nav-mobile a:focus-visible {
  padding-left: 24px;
  background: var(--fg);
  color: var(--bg);
  outline: none;
}
body.nav-open { overflow: hidden; }

.marquee {
  overflow: hidden;
  border-bottom: var(--bw) solid var(--border);
  background: var(--fg);
  color: var(--bg);
}
.marquee-track {
  display: inline-flex;
  white-space: nowrap;
  animation: scroll 40s linear infinite;
  padding: 8px 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.marquee-track span { padding: 0 24px; }
.marquee-track span::before { content: "✱"; padding-right: 24px; color: var(--accent); }
[data-variant="acid"] .marquee-track span::before { color: #d8ff00; }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   HERO
============================================================ */
.hero { padding: 64px 0 24px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.hero h1 {
  font-size: clamp(56px, 11vw, 168px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  text-wrap: balance;
}
.hero h1 .acid {
  /* inline-block keeps the bg box from leaking onto adjacent lines */
  display: inline-block;
  line-height: 0.92;
  padding: 0.02em 0.08em 0.06em;
  vertical-align: baseline;
  margin-bottom: -0.05em;
}
.hero h1 .stroke {
  -webkit-text-stroke: 3px var(--fg);
  color: transparent;
}
.hero h1 .acid {
  background: var(--accent);
  color: var(--bg);
}
[data-variant="acid"] .hero h1 .acid { color: #0a0a0a; }
.hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 24px;
  border-top: var(--bw) solid var(--border);
  padding-top: 24px;
  margin-top: 24px;
}
.hero-meta .cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-meta .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-meta .value { font-size: 18px; font-weight: 600; }
.hero-meta .value .dot {
  display: inline-block;
  width: 10px; height: 10px;
  background: #2ecc71;
  border: 2px solid var(--border);
  margin-right: 6px;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:1 } 50% { opacity: 0.3 } }

.hero-sub {
  font-family: var(--mono);
  font-size: 14px;
  max-width: 560px;
  line-height: 1.55;
  color: var(--muted);
  margin-top: 32px;
}
.hero-sub b { color: var(--fg); }

/* ============================================================
   ABOUT
============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
}
.prose p {
  font-size: 22px;
  line-height: 1.45;
  margin-bottom: 18px;
  max-width: 56ch;
  text-wrap: pretty;
}
.prose p .hl {
  background: var(--accent);
  color: var(--bg);
  padding: 0 4px;
}
[data-variant="acid"] .prose p .hl { color: #0a0a0a; }
.facts {
  border: var(--bw) solid var(--border);
  padding: 24px;
  background: var(--paper);
  align-self: start;
}
.facts h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}
.facts dl { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.facts dt { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.facts dd { font-size: 14px; font-weight: 600; margin-top: 2px; }

/* ============================================================
   PROJECTS
============================================================ */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-bottom: var(--bw) solid var(--border);
}
.proj {
  border: var(--bw) solid var(--border);
  margin: 0 -1.5px -1.5px 0;
  padding: 24px;
  background: var(--bg);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 360px;
  transition: transform 120ms ease, background 120ms ease;
}
.proj:hover {
  background: var(--fg);
  color: var(--bg);
  transform: translate(-4px, -4px);
  z-index: 2;
}
.proj:hover .proj-img { filter: invert(1); }
.proj-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.proj-no { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; }
.proj-status { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; padding: 3px 8px; border: 2px solid currentColor; }
.proj h3 { font-size: 36px; line-height: 0.95; font-weight: 900; letter-spacing: -0.03em; text-transform: uppercase; }
.proj p { font-family: var(--mono); font-size: 13px; line-height: 1.55; opacity: 0.85; }
.proj-img {
  height: 140px;
  background:
    repeating-linear-gradient(45deg, var(--border) 0 1px, transparent 1px 12px),
    var(--paper);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.proj-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.proj-tags span {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 6px;
  border: 1.5px solid currentColor;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================================
   WORK
============================================================ */
.work { display: grid; grid-template-columns: 1fr; gap: 0; }
.job {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1.5px solid var(--border);
  align-items: baseline;
}
.job:last-child { border-bottom: 0; }
.job:hover { background: var(--fg); color: var(--bg); padding-left: 16px; padding-right: 16px; }
.job-year { font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; }
.job-title { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
.job-title span { font-size: 14px; font-family: var(--mono); font-weight: 500; opacity: 0.7; margin-left: 8px; text-transform: uppercase; letter-spacing: 0.08em; }
.job-note { font-family: var(--mono); font-size: 12px; opacity: 0.7; max-width: 280px; text-align: right; }

/* ============================================================
   SKILLS
============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: var(--bw) solid var(--border);
  border-left: var(--bw) solid var(--border);
}
.skill {
  border-right: var(--bw) solid var(--border);
  border-bottom: var(--bw) solid var(--border);
  padding: 20px;
  background: var(--bg);
  position: relative;
  min-height: 120px;
  cursor: default;
}
.skill:hover { background: var(--accent); color: var(--bg); }
[data-variant="acid"] .skill:hover { color: #0a0a0a; }
.skill .name { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.skill .note { font-family: var(--mono); font-size: 12px; line-height: 1.5; opacity: 0.85; margin-top: 6px; }
.skill .bar {
  height: 10px;
  border: 2px solid var(--border);
  margin-top: 16px;
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.skill .bar i {
  display: block;
  height: 100%;
  background: var(--border);
  width: var(--pct, 70%);
}
.skill .pct { font-family: var(--mono); font-size: 10px; margin-top: 4px; opacity: 0.6; letter-spacing: 0.12em; }

/* ============================================================
   BLOG
============================================================ */
.posts { display: grid; grid-template-columns: 1fr; gap: 0; }
.post {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1.5px solid var(--border);
  align-items: baseline;
}
.post:last-child { border-bottom: 0; }
.post:hover .post-title { text-decoration: line-through; }
.post-title .ic { opacity: 0; margin-left: 6px; transition: opacity 120ms ease, transform 120ms ease; }
.post:hover .post-title .ic { opacity: 1; transform: translateX(4px); }
.post-date { font-family: var(--mono); font-size: 12px; }
.post-title { font-size: 32px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; }
.post-meta { font-family: var(--mono); font-size: 11px; opacity: 0.6; text-align: right; letter-spacing: 0.08em; text-transform: uppercase; }

/* ============================================================
   NOW + USES
============================================================ */
.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: var(--bw) solid var(--border); }
.split-2 > * { padding: 32px; }
.split-2 > *:first-child { border-right: var(--bw) solid var(--border); }
.now-list { list-style: none; display: grid; gap: 14px; margin-top: 20px; }
.now-list li {
  position: relative;
  padding-left: 30px;
  font-size: 18px;
  line-height: 1.45;
  text-wrap: pretty;
}
.now-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  background-color: var(--accent);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m9 18 6-6-6-6'/></svg>") no-repeat center / contain;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'><path d='m9 18 6-6-6-6'/></svg>") no-repeat center / contain;
}
[data-variant="acid"] .now-list li::before { background-color: #d8ff00; }

.uses-group { margin-top: 20px; }
.uses-group h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 18px 0 8px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 6px;
}
.uses-group ul { list-style: none; }
.uses-group li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 13px;
  border-bottom: 1px dashed var(--muted);
}
.uses-group li b { font-weight: 700; }
.uses-group li span { opacity: 0.6; }

/* ============================================================
   FAQ
============================================================ */
.faq { display: grid; grid-template-columns: 1fr; gap: 0; border-top: var(--bw) solid var(--border); }
.qa {
  padding: 28px 0;
  border-bottom: 1.5px solid var(--border);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
}
.qa:last-child { border-bottom: 0; }
.qa-num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; }
.qa h4 { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 8px; }
.qa p { font-family: var(--mono); font-size: 14px; line-height: 1.55; opacity: 0.85; max-width: 70ch; text-wrap: pretty; }

/* ============================================================
   CONTACT
============================================================ */
.contact { text-align: center; padding: 96px 0 80px; }
.contact .big {
  font-size: clamp(36px, 7vw, 96px);
  font-weight: 900;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  line-height: 0.92;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.contact .big a {
  border-bottom: 8px solid var(--accent);
  display: inline-block;
  max-width: 100%;
}
.contact .links {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.contact .links a {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: var(--bw) solid var(--border);
  padding: 10px 18px;
  background: var(--paper);
}
.contact .links a:hover { background: var(--fg); color: var(--bg); }

/* ============================================================
   FOOTER
============================================================ */
footer {
  border-top: var(--bw) solid var(--border);
  padding: 24px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
footer .center { text-align: center; }
footer .right { text-align: right; }

/* ============================================================
   CHAOS VARIANT - everything is slightly off, on purpose
============================================================ */
[data-variant="chaos"] {
  --bw: 4px;
}
[data-variant="chaos"] body { background: var(--bg); }
[data-variant="chaos"] .top { transform: rotate(-0.35deg); transform-origin: 0 0; }
[data-variant="chaos"] .logo { transform: rotate(-5deg); letter-spacing: 0.04em; }
[data-variant="chaos"] .nav a:nth-child(odd)  { transform: rotate(2deg) translateY(-2px); }
[data-variant="chaos"] .nav a:nth-child(even) { transform: rotate(-1.8deg) translateY(2px); }
[data-variant="chaos"] .icon-btn { transform: rotate(-3deg); }
[data-variant="chaos"] .icon-btn:nth-of-type(2) { transform: rotate(4deg); }

[data-variant="chaos"] .marquee { background: var(--fg); color: var(--bg); border-top: 4px solid var(--border); }
[data-variant="chaos"] .marquee-track span::before { color: var(--bg); }
[data-variant="chaos"] .marquee-track { font-style: italic; letter-spacing: 0.04em; }

[data-variant="chaos"] .hero h1 { letter-spacing: -0.06em; line-height: 0.94; }
[data-variant="chaos"] .hero h1 .stroke {
  transform: rotate(-2.5deg) translateY(-6px);
  display: inline-block;
}
[data-variant="chaos"] .hero h1 .acid {
  transform: rotate(1.5deg);
  display: inline-block;
  box-shadow: 8px 8px 0 var(--border);
}
[data-variant="chaos"] .hero-meta .cell:nth-child(1) { transform: rotate(-1deg); }
[data-variant="chaos"] .hero-meta .cell:nth-child(2) { transform: translateY(10px) rotate(0.6deg); }
[data-variant="chaos"] .hero-meta .cell:nth-child(3) { transform: translateY(-6px) rotate(-0.8deg); }
[data-variant="chaos"] .hero-meta .cell:nth-child(4) { transform: rotate(1.4deg); }

[data-variant="chaos"] .section-num { transform: rotate(-6deg); display: inline-block; }
[data-variant="chaos"] .section-head h2 {
  transform: skewX(-4deg);
  letter-spacing: -0.06em;
}
[data-variant="chaos"] .section-head .tag { transform: rotate(1.2deg); }

[data-variant="chaos"] .proj { box-shadow: 6px 6px 0 var(--border); background: var(--paper); }
[data-variant="chaos"] .proj:nth-child(1) { transform: rotate(-1.6deg); }
[data-variant="chaos"] .proj:nth-child(2) { transform: rotate(1.4deg) translateY(10px); }
[data-variant="chaos"] .proj:nth-child(3) { transform: rotate(-0.8deg) translateY(-6px); }
[data-variant="chaos"] .proj:nth-child(4) { transform: rotate(2.2deg) translateY(4px); }
[data-variant="chaos"] .proj:nth-child(5) { transform: rotate(-2deg); }
[data-variant="chaos"] .proj:nth-child(6) { transform: rotate(0.8deg) translateY(14px); }
[data-variant="chaos"] .proj:hover { transform: translate(-6px, -6px) rotate(0deg); z-index: 3; }
[data-variant="chaos"] .proj h3 { transform: skewX(-2deg); }
[data-variant="chaos"] .proj-no { transform: rotate(-4deg); display: inline-block; }
[data-variant="chaos"] .proj-status { transform: rotate(5deg); }

[data-variant="chaos"] .facts { transform: rotate(2deg); box-shadow: 10px 10px 0 var(--border); }
[data-variant="chaos"] .facts h3 { transform: skewX(-3deg); }
[data-variant="chaos"] .facts dt:nth-of-type(odd)  { transform: translateX(-3px); }
[data-variant="chaos"] .facts dt:nth-of-type(even) { transform: translateX(3px); }
[data-variant="chaos"] .prose p:nth-child(2) { transform: translateX(12px) rotate(-0.3deg); }
[data-variant="chaos"] .prose p:nth-child(3) { transform: translateX(-4px); }
[data-variant="chaos"] .prose p:nth-child(4) { transform: translateX(8px) rotate(0.4deg); }

[data-variant="chaos"] .job:nth-child(odd)  { transform: translateX(10px); }
[data-variant="chaos"] .job:nth-child(even) { transform: translateX(-6px); }
[data-variant="chaos"] .job-title { transform: skewX(-1deg); }
[data-variant="chaos"] .job-year { transform: rotate(-4deg); display: inline-block; }
[data-variant="chaos"] .job-note { transform: rotate(2deg); }

[data-variant="chaos"] .skill:nth-child(1)  { transform: rotate(-0.9deg); }
[data-variant="chaos"] .skill:nth-child(2)  { transform: rotate(0.7deg)  translateY(4px); }
[data-variant="chaos"] .skill:nth-child(3)  { transform: rotate(-0.5deg) translateY(-2px); }
[data-variant="chaos"] .skill:nth-child(4)  { transform: rotate(1.1deg); }
[data-variant="chaos"] .skill:nth-child(5)  { transform: rotate(-1.3deg) translateY(2px); }
[data-variant="chaos"] .skill:nth-child(6)  { transform: rotate(0.5deg); }
[data-variant="chaos"] .skill:nth-child(7)  { transform: rotate(-0.7deg) translateY(6px); }
[data-variant="chaos"] .skill:nth-child(8)  { transform: rotate(0.9deg); }
[data-variant="chaos"] .skill:nth-child(9)  { transform: rotate(-1.1deg) translateY(-3px); }
[data-variant="chaos"] .skill:nth-child(10) { transform: rotate(0.6deg) translateY(3px); }
[data-variant="chaos"] .skill:nth-child(11) { transform: rotate(-0.8deg); }
[data-variant="chaos"] .skill:nth-child(12) { transform: rotate(1.2deg); }
[data-variant="chaos"] .skill .name { transform: skewX(-2deg); }
[data-variant="chaos"] .skill .pct { transform: rotate(-2deg); display: inline-block; }

[data-variant="chaos"] .post:nth-child(odd)  { padding-left: 24px; transform: rotate(0.3deg); }
[data-variant="chaos"] .post:nth-child(even) { padding-left: 4px;  transform: rotate(-0.5deg); }
[data-variant="chaos"] .post-title { transform: skewX(-1.5deg); }
[data-variant="chaos"] .post-date { transform: rotate(-3deg); display: inline-block; }

[data-variant="chaos"] .now-list li:nth-child(1) { transform: rotate(-0.6deg); }
[data-variant="chaos"] .now-list li:nth-child(2) { transform: translateX(14px) rotate(0.4deg); }
[data-variant="chaos"] .now-list li:nth-child(3) { transform: rotate(0.8deg); }
[data-variant="chaos"] .now-list li:nth-child(4) { transform: translateX(8px) rotate(-0.5deg); }
[data-variant="chaos"] .now-list li:nth-child(5) { transform: rotate(0.7deg) translateX(-4px); }
[data-variant="chaos"] .now-list li:nth-child(6) { transform: translateX(18px) rotate(-1deg); }
[data-variant="chaos"] .uses-group h4 { transform: skewX(-3deg); }
[data-variant="chaos"] .uses-group li:nth-child(odd) { transform: translateX(4px); }
[data-variant="chaos"] .uses-group li:nth-child(even) { transform: translateX(-3px); }

[data-variant="chaos"] .qa:nth-child(odd)  { padding-left: 24px; }
[data-variant="chaos"] .qa:nth-child(odd)  h4 { transform: skewX(-2deg) translateX(6px); }
[data-variant="chaos"] .qa:nth-child(even) h4 { transform: skewX(2deg)  translateX(-4px); }
[data-variant="chaos"] .qa-num { transform: rotate(-5deg); display: inline-block; }

[data-variant="chaos"] .contact .big { transform: skewX(-3deg); }
[data-variant="chaos"] .contact .links a:nth-child(1) { transform: rotate(-3deg); }
[data-variant="chaos"] .contact .links a:nth-child(2) { transform: rotate(2deg)  translateY(-4px); }
[data-variant="chaos"] .contact .links a:nth-child(3) { transform: rotate(-1.5deg) translateY(2px); }
[data-variant="chaos"] .contact .links a:nth-child(4) { transform: rotate(3deg); }
[data-variant="chaos"] .contact .links a:nth-child(5) { transform: rotate(-2.5deg) translateY(-2px); }

[data-variant="chaos"] footer { transform: rotate(-0.4deg); transform-origin: left; }
[data-variant="chaos"] footer > div:nth-child(2) { transform: rotate(1deg); }
[data-variant="chaos"] footer > div:nth-child(3) { transform: rotate(-1.2deg); }

/* a slight texture only in chaos */
[data-variant="chaos"] main {
  background-image:
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(0,0,0,0.025) 38px 39px);
}
[data-variant="chaos"][data-theme="dark"] main {
  background-image:
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(255,255,255,0.035) 38px 39px);
}

/* ============================================================
   CAT CURSOR
============================================================ */
.cat {
  position: fixed;
  pointer-events: none;
  z-index: 100;
  width: 36px;
  height: 36px;
  font-size: 30px;
  line-height: 36px;
  text-align: center;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 200ms ease;
  font-family: var(--mono);
}
.cat.on { opacity: 1; }
.cat .body { display: inline-block; transition: transform 80ms ease; }

/* ============================================================
   TERMINAL
============================================================ */
.terminal {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: min(520px, 92vw);
  height: 360px;
  background: #0a0a0a;
  color: #d8ff00;
  border: 3px solid #d8ff00;
  font-family: var(--mono);
  font-size: 13px;
  display: none;
  flex-direction: column;
  z-index: 200;
  box-shadow: 8px 8px 0 0 var(--border);
}
.terminal.on { display: flex; }
.terminal.dragging { user-select: none; box-shadow: 12px 12px 0 0 var(--border); }
.terminal-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: #d8ff00;
  color: #0a0a0a;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 11px;
  text-transform: uppercase;
  cursor: grab;
  user-select: none;
}
.terminal.dragging .terminal-bar { cursor: grabbing; }
.terminal-bar .grip {
  display: inline-flex;
  gap: 2px;
  margin-right: 8px;
}
.terminal-bar .grip i {
  width: 3px; height: 3px;
  background: #0a0a0a;
  display: inline-block;
}
.terminal-bar .grip-rows { display: inline-flex; flex-direction: column; gap: 2px; }
.terminal-bar button { color: inherit; font-weight: 700; }
.terminal-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  white-space: pre-wrap;
  line-height: 1.5;
}
.terminal-line { color: #d8ff00; }
.terminal-line.dim { opacity: 0.6; }
.terminal-input {
  display: flex;
  gap: 8px;
  border-top: 2px solid #d8ff00;
  padding: 8px 10px;
}
.terminal-input span { flex-shrink: 0; }
.terminal-input input {
  flex: 1;
  background: transparent;
  border: 0;
  color: #d8ff00;
  font: inherit;
  outline: none;
}

/* ============================================================
   KONAMI PARTY MODE
============================================================ */
body.konami {
  animation: hue 800ms linear infinite;
}
@keyframes hue {
  to { filter: hue-rotate(360deg); }
}
/* The banner is injected by JS as a child of <html> (sibling of <body>),
   so it lives OUTSIDE body's filter containing block and stays
   centered in the viewport. */
.konami-banner {
  content: "";
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%) rotate(-4deg);
  background: #d8ff00;
  color: #000;
  padding: 24px 40px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.1em;
  z-index: 500;
  border: 4px solid #000;
  box-shadow: 12px 12px 0 0 #000;
  animation: pop 2.4s ease forwards;
  pointer-events: none;
  white-space: nowrap;
}
@keyframes pop {
  0% { transform: translate(-50%,-50%) rotate(-4deg) scale(0); }
  20% { transform: translate(-50%,-50%) rotate(-4deg) scale(1.1); }
  40% { transform: translate(-50%,-50%) rotate(-4deg) scale(1); }
  90% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%,-50%) rotate(-4deg) scale(1); }
}

/* ============================================================
   TWEAKS PANEL
============================================================ */
.tweaks {
  position: fixed;
  right: 20px;
  top: 80px;
  width: 240px;
  background: var(--bg);
  border: 3px solid var(--border);
  z-index: 150;
  box-shadow: 6px 6px 0 0 var(--border);
  display: none;
  font-family: var(--mono);
  font-size: 12px;
}
.tweaks.on { display: block; }
.tweaks-head {
  background: var(--fg);
  color: var(--bg);
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}
.tweaks-head button { color: inherit; }
.tweaks-body { padding: 14px; display: grid; gap: 14px; }
.tweaks label { display: block; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 6px; opacity: 0.7; }
.tweaks .seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 2px solid var(--border);
}
.tweaks .seg button {
  padding: 6px;
  font-size: 11px;
  border-right: 2px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tweaks .seg button:last-child { border-right: 0; }
.tweaks .seg button.on { background: var(--fg); color: var(--bg); }
.tweaks .row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 2px solid var(--border);
}
.tweaks .row2 button {
  padding: 6px;
  font-size: 11px;
  border-right: 2px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  text-transform: uppercase;
}
.tweaks .row2 button:last-child { border-right: 0; }
.tweaks .row2 button.on { background: var(--fg); color: var(--bg); }
.tweaks .hint { font-size: 10px; opacity: 0.6; line-height: 1.5; }

/* ============================================================
   DETAIL PAGE - shared (blog post + case study)
============================================================ */
.back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 0;
  margin-top: 28px;
  border-bottom: 2px solid transparent;
}
.back:hover { border-bottom-color: var(--fg); }
.back .ic { transform: rotate(180deg); }

.dh {
  padding: 32px 0 56px;
  border-bottom: var(--bw) solid var(--border);
}
.dh-kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}
.dh-kicker .dot { width: 4px; height: 4px; background: var(--muted); border-radius: 0; display: inline-block; }
.dh h1 {
  font-size: clamp(40px, 7vw, 96px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  text-wrap: balance;
  max-width: 18ch;
}
.dh-lede {
  margin-top: 24px;
  max-width: 64ch;
  font-size: 22px;
  line-height: 1.5;
  text-wrap: pretty;
}
.dh-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: var(--bw) solid var(--border);
  padding-top: 24px;
  margin-top: 40px;
}
.dh-meta .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 4px;
}
.dh-meta .value { font-size: 18px; font-weight: 700; }

.cover {
  height: 420px;
  margin: 0 0 56px;
  border-bottom: var(--bw) solid var(--border);
  background:
    repeating-linear-gradient(45deg, var(--border) 0 1px, transparent 1px 18px),
    var(--paper);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}
.cover .caption-l, .cover .caption-r { background: var(--bg); padding: 6px 10px; border: 2px solid var(--border); }

/* Article body */
.article {
  display: grid;
  grid-template-columns: 200px 1fr 180px;
  gap: 64px;
  padding: 0 0 56px;
}
.article .toc {
  position: sticky;
  top: 96px;
  align-self: start;
}
.article .toc h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--border);
}
.article .toc a {
  display: block;
  padding: 4px 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--fg);
  border-bottom: 1px dashed transparent;
}
.article .toc a:hover { border-bottom-color: var(--fg); }
.article .body { max-width: 64ch; }
.article .body h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin: 48px 0 16px;
  padding-top: 24px;
  border-top: var(--bw) solid var(--border);
}
.article .body h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.article .body h2 .n {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  display: block;
  color: var(--muted);
  margin-bottom: 6px;
}
.article .body p {
  font-size: 19px;
  line-height: 1.6;
  margin: 0 0 20px;
  text-wrap: pretty;
}
.article .body p .hl {
  background: var(--accent);
  color: var(--bg);
  padding: 0 4px;
}
[data-variant="acid"] .article .body p .hl { color: #0a0a0a; }
.article .body ul, .article .body ol { margin: 0 0 20px 24px; }
.article .body li { font-size: 18px; line-height: 1.55; margin-bottom: 8px; }
.article .body code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--paper);
  padding: 1px 6px;
  border: 1.5px solid var(--border);
}
.article .body pre {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  background: var(--fg);
  color: var(--bg);
  padding: 20px;
  margin: 24px 0;
  border: var(--bw) solid var(--border);
  overflow-x: auto;
}
.article .body pre code { background: transparent; border: 0; color: inherit; padding: 0; }
.article .body blockquote {
  border-left: 6px solid var(--accent);
  padding: 4px 0 4px 24px;
  margin: 28px 0;
  font-size: 26px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.article .body blockquote cite {
  display: block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  font-style: normal;
}
.article .figure {
  margin: 32px 0;
  border: var(--bw) solid var(--border);
}
.article .figure .placeholder {
  background:
    repeating-linear-gradient(45deg, var(--border) 0 1px, transparent 1px 14px),
    var(--paper);
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}
.article .figure figcaption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 12px;
  border-top: 2px solid var(--border);
  background: var(--bg);
  color: var(--muted);
}
.article .aside {
  position: sticky;
  top: 96px;
  align-self: start;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border-left: 2px solid var(--border);
  padding: 4px 0 4px 12px;
  line-height: 1.6;
}

@media (max-width: 1100px) {
  .article { grid-template-columns: 1fr; gap: 32px; }
  .article .toc, .article .aside { position: static; }
  .article .aside { border-left: 0; border-top: 2px solid var(--border); padding: 12px 0 0; }
}

/* Case study specific */
.cs-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: var(--bw) solid var(--border);
  margin: 56px 0;
}
.cs-stats > div {
  padding: 28px 24px;
  border-right: var(--bw) solid var(--border);
}
.cs-stats > div:last-child { border-right: 0; }
.cs-stats .n {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}
.cs-stats .l {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 10px;
}

.cs-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}
.cs-gallery .figure { margin: 0; }

.next-strip {
  border-top: var(--bw) solid var(--border);
  padding: 48px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.next-strip a {
  display: block;
  padding: 24px;
  border: var(--bw) solid var(--border);
  background: var(--bg);
}
.next-strip a:hover { background: var(--fg); color: var(--bg); }
.next-strip .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.next-strip .ttl {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.02;
}

@media (max-width: 900px) {
  .dh-meta { grid-template-columns: 1fr 1fr; }
  .cs-stats { grid-template-columns: 1fr 1fr; }
  .cs-stats > div:nth-child(2) { border-right: 0; }
  .cs-stats > div:nth-child(1), .cs-stats > div:nth-child(2) { border-bottom: var(--bw) solid var(--border); }
  .cs-gallery { grid-template-columns: 1fr; }
  .next-strip { grid-template-columns: 1fr; }
  .cover { height: 280px; }
}

/* ============================================================
   RESPONSIVE
============================================================ */

/* Tablet landscape - 1100 */
@media (max-width: 1100px) {
  .hero h1 { font-size: clamp(52px, 10vw, 120px); }
  .section-head h2 { font-size: clamp(36px, 5.5vw, 72px); }
  .projects { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid .skill:nth-child(odd) { border-left: var(--bw) solid var(--border); }
}

/* Tablet portrait / large mobile - 900 */
@media (max-width: 900px) {
  .wrap { padding: 0 20px; }
  .top { position: sticky; z-index: 190; }
  .top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    gap: 12px;
  }
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-mobile { display: block; }

  .marquee-track { font-size: 12px; }

  .hero { padding: 40px 0 16px; }
  .hero h1 { font-size: clamp(44px, 13vw, 88px); line-height: 1.04; }
  .hero h1 .acid { line-height: 0.9; }
  .hero-sub { font-size: 13px; margin-top: 24px; }
  .hero-meta {
    grid-template-columns: 1fr 1fr;
    gap: 18px 16px;
    padding-top: 18px;
    margin-top: 18px;
  }
  .hero-meta .value { font-size: 16px; }

  .section { padding: 40px 0; }
  .section-head { grid-template-columns: 50px 1fr; gap: 12px; margin-bottom: 28px; }
  .section-head h2 { font-size: clamp(32px, 8vw, 56px); }
  .section-head .tag { grid-column: 1 / -1; text-align: left; }

  .about-grid { grid-template-columns: 1fr; gap: 28px; }
  .prose p { font-size: 18px; }
  .facts dl { grid-template-columns: 1fr 1fr; }

  .projects { grid-template-columns: 1fr; }
  .proj { min-height: auto; padding: 20px; }
  .proj h3 { font-size: 28px; }
  .proj-img { height: 120px; }

  .work { display: block; }
  .job {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 16px 0;
  }
  .job:hover { padding-left: 0; padding-right: 0; background: transparent; color: inherit; }
  .job-title { font-size: 22px; }
  .job-title span { display: block; margin-left: 0; margin-top: 2px; }
  .job-note { display: none; }

  .skills-grid { grid-template-columns: 1fr 1fr; }
  .skill { padding: 16px; min-height: auto; }
  .skill .name { font-size: 18px; }
  .skill .note { font-size: 11px; }

  .post { grid-template-columns: 60px 1fr; gap: 16px; padding: 18px 0; }
  .post-title { font-size: 22px; }
  .post-meta { display: none; }

  .split-2 { grid-template-columns: 1fr; }
  .split-2 > * { padding: 24px 0; }
  .split-2 > *:first-child {
    border-right: 0;
    border-bottom: var(--bw) solid var(--border);
    padding-top: 0;
  }
  .now-list li { font-size: 16px; }

  .faq .qa { grid-template-columns: 40px 1fr; gap: 16px; padding: 22px 0; }
  .qa h4 { font-size: 19px; }
  .qa p { font-size: 13px; }

  .contact { padding: 64px 0 48px; }
  .contact .big { font-size: clamp(32px, 10vw, 64px); }
  .contact .big a { border-bottom-width: 5px; }
  .contact .links { gap: 10px; margin-top: 24px; }
  .contact .links a { font-size: 11px; padding: 8px 14px; }

  footer {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 8px;
    padding: 20px;
  }
  footer .center, footer .right { text-align: center; }

  /* DETAIL pages */
  .dh { padding: 24px 0 36px; }
  .dh h1 { font-size: clamp(32px, 8vw, 56px); }
  .dh-lede { font-size: 17px; margin-top: 18px; }
  .dh-meta { grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 18px; margin-top: 24px; }
  .dh-meta .value { font-size: 15px; }
  .cover { height: 220px; padding: 16px; margin-bottom: 36px; }
  .cover .caption-l, .cover .caption-r { font-size: 9px; padding: 4px 8px; }

  .article { grid-template-columns: 1fr; gap: 28px; padding-bottom: 36px; }
  .article .toc, .article .aside { position: static; }
  .article .aside { border-left: 0; border-top: 2px solid var(--border); padding: 12px 0 0; }
  .article .body { max-width: 100%; }
  .article .body h2 { font-size: clamp(24px, 5vw, 36px); margin: 36px 0 14px; padding-top: 18px; }
  .article .body p { font-size: 16px; }
  .article .body li { font-size: 15px; }
  .article .body blockquote { font-size: 19px; padding-left: 16px; border-left-width: 4px; margin: 24px 0; }
  .article .body pre { font-size: 12px; padding: 14px; }
  .article .figure .placeholder { height: 180px; }

  .cs-stats { grid-template-columns: 1fr 1fr; margin: 36px 0; }
  .cs-stats > div { padding: 20px 16px; }
  .cs-stats > div:nth-child(2) { border-right: 0; }
  .cs-stats > div:nth-child(1), .cs-stats > div:nth-child(2) {
    border-bottom: var(--bw) solid var(--border);
  }
  .cs-stats .n { font-size: clamp(28px, 7vw, 44px); }
  .cs-gallery { grid-template-columns: 1fr; gap: 16px; }

  .next-strip { grid-template-columns: 1fr; gap: 16px; padding: 32px 0; }
  .next-strip a { padding: 18px; }
  .next-strip .ttl { font-size: 22px; }

  /* Floating panels - shift up so the page scroll button doesn't collide */
  .terminal {
    right: 12px;
    left: 12px;
    bottom: 12px;
    width: auto;
    height: 320px;
  }
  .tweaks { right: 12px; top: auto; bottom: 12px; width: calc(100% - 24px); max-width: 320px; }
}

/* Small mobile - 480 */
@media (max-width: 480px) {
  .wrap { padding: 0 16px; }

  /* page scrollbar gets narrower on small screens */
  *::-webkit-scrollbar { width: 12px; height: 12px; }
  *::-webkit-scrollbar-button { display: none; }

  .top-inner { padding: 10px 12px; }
  .logo { font-size: 12px; padding: 5px 8px; }
  .icon-btn { width: 32px; height: 32px; font-size: 13px; }
  .nav-toggle { width: 32px; height: 32px; padding: 7px; gap: 3px; }
  .nav-toggle-bar { height: 2.5px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg);
  }
  .nav-mobile { padding: 78px 18px 28px; }

  .marquee-track { font-size: 11px; padding: 6px 0; }
  .marquee-track span { padding: 0 16px; }
  .marquee-track span::before { padding-right: 16px; }

  .hero { padding: 32px 0 8px; }
  .hero h1 { font-size: 44px; line-height: 1.05; letter-spacing: -0.04em; }
  .hero-sub { font-size: 12px; line-height: 1.5; }
  .hero-meta { grid-template-columns: 1fr; gap: 14px; }
  .hero-meta .value { font-size: 15px; }

  .section { padding: 32px 0; }
  .section-head { grid-template-columns: 40px 1fr; margin-bottom: 22px; }
  .section-head h2 { font-size: 30px; line-height: 0.95; }
  .section-num { font-size: 10px; }

  .prose p { font-size: 16px; line-height: 1.45; }
  .facts { padding: 18px; }
  .facts dl { grid-template-columns: 1fr; }

  .proj { padding: 16px; gap: 12px; min-height: auto; }
  .proj h3 { font-size: 22px; }
  .proj p { font-size: 12px; line-height: 1.5; }
  .proj-img { height: 90px; font-size: 9px; }
  .proj-tags span { font-size: 9px; }

  .skills-grid { grid-template-columns: 1fr; }
  .skill { padding: 14px; }

  .post { grid-template-columns: 1fr; gap: 4px; padding: 16px 0; }
  .post-date { font-size: 11px; }
  .post-title { font-size: 19px; }

  .qa { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; }
  .qa h4 { font-size: 18px; }

  .contact { padding: 48px 0 40px; }
  .contact .big { font-size: 28px; line-height: 1.05; }
  .contact .big a { border-bottom-width: 3px; }
  .contact .links { gap: 8px; }
  .contact .links a { font-size: 10px; padding: 7px 10px; border-width: 2px; }

  footer { font-size: 10px; padding: 16px; }

  /* detail pages */
  .dh { padding: 16px 0 28px; }
  .dh-kicker { font-size: 10px; gap: 10px; }
  .dh h1 { font-size: 32px; line-height: 1.05; }
  .dh-lede { font-size: 15px; }
  .dh-meta { grid-template-columns: 1fr; gap: 12px; }
  .cover { height: 160px; padding: 12px; margin-bottom: 28px; }

  .article .body h2 { font-size: 22px; margin: 28px 0 12px; padding-top: 14px; }
  .article .body p { font-size: 15px; }
  .article .body pre { font-size: 11px; padding: 12px; }
  .article .figure .placeholder { height: 140px; }

  .cs-stats { grid-template-columns: 1fr; }
  .cs-stats > div { border-right: 0; border-bottom: var(--bw) solid var(--border); padding: 16px; }
  .cs-stats > div:last-child { border-bottom: 0; }

  .next-strip a { padding: 14px; }
  .next-strip .ttl { font-size: 18px; }

  .terminal { height: 280px; font-size: 12px; }
  .terminal-body { padding: 10px; }
  .terminal-input { padding: 6px 8px; }

  .cat { display: none !important; } /* no cat on touch */
}

/* Extra-small / iPhone SE - 360 */
@media (max-width: 360px) {
  .hero h1 { font-size: 36px; }
  .section-head h2 { font-size: 26px; }
  .contact .big { font-size: 24px; }
}

/* Touch devices: drop hover-only effects so taps don't get stuck states */
@media (hover: none) {
  .proj:hover { transform: none; background: var(--bg); color: inherit; }
  .proj:hover .proj-img { filter: none; }
  .skill:hover { background: var(--bg); color: inherit; }
  .job:hover { padding: 16px 0; background: transparent; color: inherit; }
}