/* styles.css — the whole design system: tokens, layout, motion, overlays.
   Amber-CRT dossier: warm near-black, one phosphor accent, sharp corners,
   scanline and grain texture, motion gated behind prefers-reduced-motion. */

/* ---------------------------------------------------------------- tokens */
:root {
  color-scheme: dark;
  --bg: #0b0a08;
  --bg-deep: #070604;
  --surface: #12100b;
  --surface-2: #171410;
  --line: rgba(236, 231, 220, 0.13);
  --line-soft: rgba(236, 231, 220, 0.07);
  --text: #ece7dc;
  --muted: #a29c8e;
  --faint: #837d6c;
  --accent: #ffb14e;
  --accent-dim: rgba(255, 177, 78, 0.14);
  --accent-line: rgba(255, 177, 78, 0.45);
  --on-accent: #201302;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.75);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --r: 4px;
  --pad: clamp(5.5rem, 9vw, 8.5rem);
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f2efe8;
  --bg-deep: #e9e5db;
  --surface: #faf8f2;
  --surface-2: #f1ede3;
  --line: rgba(28, 24, 16, 0.16);
  --line-soft: rgba(28, 24, 16, 0.09);
  --text: #1c1810;
  --muted: #544e3f;
  --faint: #6d6656;
  --accent: #8f5606;
  --accent-dim: rgba(143, 86, 6, 0.08);
  --accent-line: rgba(143, 86, 6, 0.45);
  --on-accent: #fdf6ea;
  --shadow: 0 18px 44px -18px rgba(28, 24, 16, 0.25);
}

/* ----------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-color: var(--accent-line) var(--bg-deep); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; margin: 0; line-height: 1.08; letter-spacing: -0.015em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol, dl { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--accent); color: var(--on-accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.wrap { width: min(1180px, 100% - 2.5rem); margin-inline: auto; }

.skip {
  position: fixed; left: 1rem; top: -4rem; z-index: 100;
  background: var(--accent); color: var(--on-accent);
  padding: 0.6rem 1rem; border-radius: var(--r); font-family: var(--font-mono);
  transition: top 0.2s var(--ease);
}
.skip:focus { top: 1rem; }

/* ------------------------------------------------------------ backdrop */
.backdrop { position: fixed; inset: 0; z-index: -1; pointer-events: none; background: var(--bg); }
.backdrop__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 20%, transparent 72%);
  mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 20%, transparent 72%);
}
.backdrop__wash {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 46% 34% at 82% 4%, var(--accent-dim), transparent 70%),
    radial-gradient(ellipse 40% 30% at 8% 58%, var(--accent-dim), transparent 70%);
}
.backdrop__scan {
  position: absolute; inset: 0; opacity: 0.5;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.09) 0 1px, transparent 1px 4px);
}
html[data-theme="light"] .backdrop__scan { opacity: 0.22; }
.backdrop__grain {
  position: absolute; inset: -50%; width: 200%; height: 200%; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.6s steps(4) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); } 25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); } 75% { transform: translate(-1%, 2%); }
  100% { transform: translate(0, 0); }
}

/* scroll rail, native scroll-driven; absent support just leaves it empty */
.rail { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60; pointer-events: none; }
.rail__fill {
  height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  animation: rail-grow linear both;
  animation-timeline: scroll(root);
}
@keyframes rail-grow { to { transform: scaleX(1); } }

/* ---------------------------------------------------------------- boot */
.boot { display: none; }
html.js .boot {
  display: grid; place-items: center;
  position: fixed; inset: 0; z-index: 90; background: var(--bg-deep);
  animation: boot-out 0.45s var(--ease) 0.85s forwards;
}
@keyframes boot-out { to { opacity: 0; visibility: hidden; pointer-events: none; } }
.boot__inner { text-align: center; }
.boot__line {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.28em;
  color: var(--accent); overflow: hidden; white-space: nowrap;
  animation: boot-type 0.6s steps(30) both;
}
@keyframes boot-type { from { max-width: 0; } to { max-width: 30ch; } }
.boot__mark {
  font-family: var(--font-display); font-weight: 800; font-size: clamp(4rem, 14vw, 8rem);
  line-height: 1; color: var(--text); letter-spacing: 0.04em;
  text-shadow: 0 0 34px var(--accent-dim);
  animation: boot-flick 0.85s linear both;
}
@keyframes boot-flick {
  0% { opacity: 0; } 12% { opacity: 1; } 20% { opacity: 0.2; }
  28% { opacity: 1; } 42% { opacity: 0.55; } 52% { opacity: 1; } 100% { opacity: 1; }
}
.boot__bar { width: 168px; height: 2px; margin: 1.2rem auto 0; background: var(--line-soft); overflow: hidden; }
.boot__bar i { display: block; height: 100%; width: 100%; background: var(--accent); transform-origin: 0 50%; animation: boot-bar 0.9s var(--ease) both; }
@keyframes boot-bar { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ----------------------------------------------------------------- nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  border-bottom: 1px solid var(--line-soft);
}
.nav__in { display: flex; align-items: center; gap: 1.5rem; height: 62px; }
.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand__mark {
  display: grid; place-items: center; width: 30px; height: 30px;
  border: 1px solid var(--accent-line); color: var(--accent);
  font: 700 0.72rem var(--font-mono); letter-spacing: 0.05em;
  border-radius: 3px; background: var(--accent-dim);
  transition: transform 0.35s var(--ease), background 0.35s var(--ease);
}
.brand:hover .brand__mark { transform: rotate(-8deg) scale(1.08); background: var(--accent); color: var(--on-accent); }
.brand__name { font: 600 0.9rem var(--font-display); letter-spacing: 0.01em; }

.nav__links { display: flex; gap: 1.35rem; margin-left: auto; }
.nav__link {
  position: relative; font: 500 0.8rem var(--font-mono); color: var(--muted);
  letter-spacing: 0.04em; padding: 0.35rem 0;
  transition: color 0.25s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px;
  background: var(--accent); transition: right 0.3s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { right: 0; }

.nav__actions { display: flex; align-items: center; gap: 0.8rem; }
.clock {
  font-size: 0.78rem; color: var(--accent); letter-spacing: 0.06em;
  padding: 0.3rem 0.55rem; border: 1px solid var(--accent-line); border-radius: 3px;
  background: var(--accent-dim); font-variant-numeric: tabular-nums;
}

.icon-btn {
  display: grid; place-items: center; width: 34px; height: 34px;
  border: 1px solid var(--line); border-radius: 3px; color: var(--muted);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent-line); transform: translateY(-1px); }
.icon-btn svg { width: 16px; height: 16px; }
.theme-toggle-visuals { }
.i-sun { display: none; }
html[data-theme="light"] .i-sun { display: block; animation: spin-in 0.5s var(--ease); }
html[data-theme="light"] .i-moon { display: none; }
@keyframes spin-in { from { transform: rotate(-90deg) scale(0.6); } to { transform: none; } }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.72rem 1.25rem; border-radius: 3px;
  font: 600 0.86rem var(--font-display); letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  will-change: transform;
}
.btn svg { width: 15px; height: 15px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: scale(0.97); }
.btn--sm { padding: 0.45rem 0.8rem; font-size: 0.78rem; }
.btn--solid { background: var(--accent); color: var(--on-accent); box-shadow: 0 8px 26px -10px var(--accent-line); }
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px var(--accent-line); }
.btn--ghost { border: 1px solid var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent-line); color: var(--accent); transform: translateY(-2px); }

/* ----------------------------------------------------------------- hero */
.hero { padding: calc(62px + var(--pad)) 0 4.5rem; position: relative; }
.hero__in { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 3rem; align-items: end; }

.status { display: inline-flex; align-items: center; gap: 0.6rem; font-size: 0.74rem; color: var(--muted); letter-spacing: 0.08em; }
.status__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2.4s ease infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-line); }
  40% { box-shadow: 0 0 0 7px transparent; }
}
.status__sep { color: var(--faint); }

.hero__name { font-size: clamp(3.3rem, 9.5vw, 7.4rem); font-weight: 800; letter-spacing: -0.035em; line-height: 0.98; margin: 1.1rem 0 0; }
.hero__line { display: flex; align-items: baseline; gap: 0.9rem; }
.hero__idx { font-size: 0.8rem; font-weight: 500; color: var(--faint); letter-spacing: 0.1em; transform: translateY(-0.55em); }
.hero__line--em em { font-style: normal; color: var(--accent); text-shadow: 0 0 44px var(--accent-line); }

.hero__role { margin-top: 1rem; font-size: clamp(0.86rem, 1.6vw, 1.02rem); color: var(--text); letter-spacing: 0.22em; text-transform: uppercase; }
.hero__lede { margin-top: 1.15rem; max-width: 52ch; color: var(--muted); font-size: 1.02rem; }
.hero__act { display: flex; gap: 0.8rem; margin-top: 1.9rem; flex-wrap: wrap; }

.dossier {
  border: 1px solid var(--line); border-radius: var(--r);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  box-shadow: var(--shadow); position: relative;
}
.dossier::after {
  content: ""; position: absolute; inset: 5px; border: 1px solid var(--line-soft);
  border-radius: 2px; pointer-events: none;
}
.dossier__head {
  display: flex; align-items: center; gap: 0.6rem; padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line-soft); font-size: 0.68rem; letter-spacing: 0.14em; color: var(--muted); text-transform: lowercase;
}
.dossier__led { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); animation: pulse 2s ease infinite; }
.dossier__id { margin-left: auto; color: var(--faint); }
.dossier__boot { margin: 0; padding: 1rem 1.1rem 0.4rem; font-size: 0.72rem; line-height: 1.85; color: var(--muted); white-space: pre-wrap; min-height: 9.6em; }
.dossier__boot b { color: var(--accent); font-weight: 500; }
.dossier__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-soft); border-block: 1px solid var(--line-soft); margin-top: 0.6rem; }
.dstat { background: var(--surface); padding: 0.8rem 0.6rem 0.9rem; text-align: center; }
.dstat__v { display: block; font-size: 1.25rem; font-weight: 600; color: var(--text); }
.dstat__k { display: block; margin-top: 0.2rem; font-size: 0.6rem; letter-spacing: 0.12em; color: var(--faint); text-transform: lowercase; }
.dossier__now { padding: 0.85rem 1.1rem 0.2rem; font-size: 0.82rem; }
.dossier__now span { font-size: 0.62rem; letter-spacing: 0.16em; color: var(--faint); text-transform: lowercase; display: block; margin-bottom: 0.3rem; }
.dossier__now a { color: var(--accent); border-bottom: 1px dashed var(--accent-line); }
.dossier__foot { display: flex; justify-content: space-between; padding: 0.8rem 1.1rem; font-size: 0.62rem; letter-spacing: 0.1em; color: var(--faint); border-top: 1px solid var(--line-soft); text-transform: lowercase; }
.blink { color: var(--accent); animation: blink 1.4s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.15; } }

/* --------------------------------------------------------------- ticker */
.ticker {
  border-block: 1px solid var(--line-soft); background: var(--surface);
  overflow: hidden; padding: 0.72rem 0; position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track { display: flex; align-items: center; gap: 1.4rem; width: max-content; animation: marquee 34s linear infinite; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__group { font-size: 0.74rem; letter-spacing: 0.14em; color: var(--muted); text-transform: lowercase; white-space: nowrap; }
.ticker__track i { color: var(--accent); font-size: 0.5rem; font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* -------------------------------------------------------------- section */
.section { padding: var(--pad) 0 0; }
.section__head { max-width: 56ch; margin-bottom: 3rem; }
.section__title { font-size: clamp(2rem, 4.6vw, 3.1rem); font-weight: 800; letter-spacing: -0.025em; }
.section__title::before { content: "▪ "; color: var(--accent); font-size: 0.55em; vertical-align: 0.4em; }
.section__sub { margin-top: 0.85rem; color: var(--muted); font-size: 0.98rem; max-width: 58ch; }

/* ----------------------------------------------------------------- work */
.work__in { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 5fr); gap: 3.5rem; align-items: start; }
.section__head--sticky { position: sticky; top: calc(62px + 2rem); }

.timeline { display: grid; gap: 0; border-left: 1px solid var(--line); margin-left: 7px; }
.tl { position: relative; padding: 0 0 3.4rem 2.4rem; }
.tl:last-child { padding-bottom: 0.5rem; }
.tl::before {
  content: ""; position: absolute; left: -6.5px; top: 8px; width: 12px; height: 12px;
  background: var(--bg); border: 1px solid var(--muted); border-radius: 50%;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.tl:hover::before { border-color: var(--accent); }
.tl--now::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 14px var(--accent-line); animation: pulse 2.4s ease infinite; }
.tl__top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.tl__org { font: 700 1.35rem/1.2 var(--font-display); letter-spacing: -0.01em; }
.tl__dates { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); letter-spacing: 0.06em; white-space: nowrap; }
.tl__role { margin-top: 0.25rem; font: 500 0.86rem var(--font-mono); color: var(--muted); }
.tl__role b { color: var(--text); font-weight: 500; }
.tl__body { margin-top: 0.9rem; color: var(--muted); max-width: 62ch; font-size: 0.95rem; }
.tl__note { margin-top: 0.6rem; font-size: 0.85rem; color: var(--faint); padding-left: 0.85rem; border-left: 2px solid var(--accent-dim); }
.tl__metrics { display: flex; gap: 1.6rem; margin-top: 0.95rem; flex-wrap: wrap; }
.tlm__v { display: block; font: 600 1.15rem var(--font-mono); color: var(--text); }
.tlm__k { display: block; font: 400 0.64rem var(--font-mono); letter-spacing: 0.12em; text-transform: lowercase; color: var(--faint); }
.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.05rem; }
.chip {
  font: 500 0.68rem var(--font-mono); letter-spacing: 0.05em; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.28rem 0.7rem;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.chip:hover { color: var(--accent); border-color: var(--accent-line); transform: translateY(-1px); }

/* ------------------------------------------------------------- projects */
.grid6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.1rem; }
.pcard {
  position: relative; display: flex; flex-direction: column; gap: 0.85rem;
  grid-column: span 2; padding: 1.35rem 1.35rem 1.15rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  cursor: pointer; text-align: left; overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
}
.pcard--wide { grid-column: span 3; }
.pcard--full { grid-column: span 6; flex-direction: row; align-items: center; gap: 2rem; }
.pcard--full .pcard__motif { flex: 0 0 34%; }
.pcard--full .pcard__body { flex: 1; }
.pcard::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%), var(--accent-dim), transparent 65%);
  transition: opacity 0.35s var(--ease);
}
.pcard:hover, .pcard:focus-visible { transform: translateY(-4px); border-color: var(--accent-line); }
.pcard:hover::before { opacity: 1; }
.pcard__top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.pcard__idx { font: 500 0.68rem var(--font-mono); color: var(--faint); letter-spacing: 0.14em; }
.pcard__kind { font: 500 0.66rem var(--font-mono); color: var(--accent); letter-spacing: 0.12em; text-transform: lowercase; }
.pcard__name { font: 700 1.5rem/1.1 var(--font-display); letter-spacing: -0.015em; }
.pcard__year { font: 400 0.68rem var(--font-mono); color: var(--muted); }
.pcard__motif { color: var(--muted); border: 1px solid var(--line-soft); border-radius: 3px; background: var(--bg-deep); padding: 0.6rem; }
.pcard__sum { color: var(--muted); font-size: 0.88rem; flex: 1; }
.pcard__go {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font: 500 0.74rem var(--font-mono); color: var(--accent); letter-spacing: 0.06em; margin-top: 0.2rem;
}
.pcard__go svg { width: 13px; height: 13px; transition: transform 0.3s var(--ease); }
.pcard:hover .pcard__go svg { transform: translateX(4px); }

/* ---------------------------------------------------------------- stats */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); overflow: hidden; }
.stat { padding: 1.7rem 1.2rem 1.5rem; text-align: center; border-right: 1px solid var(--line-soft); transition: background 0.3s var(--ease); }
.stat:last-child { border-right: 0; }
.stat:hover { background: var(--accent-dim); }
.stat__v { font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 600; color: var(--text); letter-spacing: -0.02em; }
.stat:hover .stat__v { color: var(--accent); }
.stat__k { margin-top: 0.3rem; font-size: 0.66rem; letter-spacing: 0.14em; text-transform: lowercase; color: var(--faint); }

.signals__cols { display: grid; grid-template-columns: 3fr 2fr; gap: 1.1rem; margin-top: 1.1rem; }
.week, .badges { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); padding: 1.5rem; }
.week__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1.2rem; }
.week__title, .badges__title { font: 700 1.05rem var(--font-display); }
.week__total { color: var(--accent); font-weight: 600; }
.week__bars { display: grid; gap: 0.72rem; }
.wbar { display: grid; grid-template-columns: 7.5rem 1fr 3.4rem; gap: 0.8rem; align-items: center; font: 400 0.72rem var(--font-mono); color: var(--muted); }
.wbar__track { height: 6px; background: var(--line-soft); border-radius: 3px; overflow: hidden; }
.wbar__fill { height: 100%; width: 0; background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 55%, var(--bg)), var(--accent)); border-radius: 3px; transition: width 1.1s var(--ease); }
.wbar:hover .wbar__fill { box-shadow: 0 0 12px var(--accent-line); }
.wbar__p { text-align: right; color: var(--faint); }
.week__note { margin-top: 1.1rem; font-size: 0.66rem; color: var(--faint); letter-spacing: 0.08em; text-transform: lowercase; }
.badges__list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.badge {
  font: 500 0.72rem var(--font-mono); color: var(--text);
  border: 1px solid var(--accent-line); border-radius: 999px; padding: 0.34rem 0.8rem;
  background: var(--accent-dim);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.badge:hover { transform: translateY(-2px) rotate(-1deg); box-shadow: 0 6px 18px -8px var(--accent-line); }
.badges__title--gap { margin-top: 1.6rem; }

/* ---------------------------------------------------------------- craft */
.craft__in { display: grid; gap: 2.6rem; }
.craft__groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.sgroup { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); padding: 1.35rem 1.4rem; }
.sgroup__title { font: 500 0.68rem var(--font-mono); letter-spacing: 0.18em; text-transform: lowercase; color: var(--faint); margin-bottom: 0.9rem; display: flex; align-items: center; gap: 0.6rem; }
.sgroup__title::after { content: ""; height: 1px; flex: 1; background: var(--line-soft); }

.skills { margin-top: 2.4rem; border-top: 1px solid var(--line); }
.skill {
  display: grid; grid-template-columns: minmax(0, 14rem) 1fr auto; gap: 1.5rem;
  align-items: baseline; padding: 1.05rem 0.4rem; border-bottom: 1px solid var(--line-soft);
  transition: background 0.25s var(--ease), padding-left 0.25s var(--ease);
}
.skill:hover { background: var(--accent-dim); padding-left: 1rem; }
.skill__name { font: 600 1.02rem var(--font-display); }
.skill__note { color: var(--muted); font-size: 0.9rem; }
.skill__arr { font-family: var(--font-mono); color: var(--faint); opacity: 0; transform: translateX(-6px); transition: opacity 0.25s, transform 0.25s var(--ease); }
.skill:hover .skill__arr { opacity: 1; transform: none; color: var(--accent); }

/* ---------------------------------------------------------------- paper */
.paper__in { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; }
.edu { border-left: 2px solid var(--accent-line); padding: 0 0 0 1.3rem; margin-bottom: 1.9rem; }
.edu:last-child { margin-bottom: 0; }
.edu__org { font: 700 1.2rem var(--font-display); }
.edu__what { margin-top: 0.2rem; color: var(--text); font-size: 0.92rem; }
.edu__when { font: 500 0.72rem var(--font-mono); color: var(--accent); letter-spacing: 0.06em; margin-top: 0.25rem; }
.edu__details { margin-top: 0.7rem; display: grid; gap: 0.35rem; }
.edu__details li { color: var(--muted); font-size: 0.85rem; padding-left: 1rem; position: relative; }
.edu__details li::before { content: "–"; position: absolute; left: 0; color: var(--faint); }
.certs { display: grid; gap: 0.6rem; }
.cert {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--surface);
  padding: 0.85rem 1.1rem; transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.cert:hover { border-color: var(--accent-line); transform: translateX(4px); }
.cert__name { font: 600 0.92rem var(--font-display); }
.cert__sub { display: block; font: 400 0.7rem var(--font-mono); color: var(--muted); margin-top: 0.15rem; }
.cert__org { font: 500 0.72rem var(--font-mono); color: var(--accent); white-space: nowrap; }
.paper__note { margin-top: 1.2rem; font-size: 0.7rem; color: var(--faint); line-height: 1.7; }
.paper__note a { color: var(--accent); border-bottom: 1px dashed var(--accent-line); }

/* ---------------------------------------------------------------- about */
.selfquote {
  font: 600 clamp(1.4rem, 3vw, 2.15rem)/1.28 var(--font-display);
  letter-spacing: -0.015em; max-width: 78ch; color: var(--text);
  margin: 0 0 3.4rem; padding-left: 1.6rem; border-left: 3px solid var(--accent);
  text-wrap: balance;
}
.about__cols { display: grid; grid-template-columns: 3fr 2fr; gap: 1.1rem; align-items: start; }
.interests { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); display: grid; grid-template-columns: 1fr 1fr; }
.il { padding: 1.05rem 1.25rem; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); transition: background 0.3s var(--ease); }
.il:nth-child(2n) { border-right: 0; }
.il:nth-last-child(-n+2) { border-bottom: 0; }
.il:hover { background: var(--accent-dim); }
.il dt { font: 600 1rem var(--font-display); color: var(--accent); letter-spacing: 0.01em; }
.il dd { margin: 0.3rem 0 0; font-size: 0.83rem; color: var(--muted); }

.books { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); padding: 1.4rem; }
.books__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1rem; }
.books__head h3 { font: 700 1.05rem var(--font-display); }
.books__head a { font-size: 0.7rem; color: var(--accent); }
.books__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: 3px; overflow: hidden; }
.bstat { background: var(--surface-2); padding: 0.75rem 0.4rem; text-align: center; }
.bstat b { display: block; font: 600 1.05rem var(--font-mono); color: var(--text); }
.bstat span { display: block; font-size: 0.58rem; letter-spacing: 0.1em; text-transform: lowercase; color: var(--faint); margin-top: 0.15rem; }
.books__label { font-size: 0.62rem; letter-spacing: 0.16em; text-transform: lowercase; color: var(--faint); margin: 1.15rem 0 0.4rem; }
.books__list li { font-size: 0.85rem; color: var(--muted); padding: 0.3rem 0 0.3rem 1rem; position: relative; }
.books__list li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); transition: transform 0.3s var(--ease); }
.books__list li:hover::before { transform: translateX(3px); }
.books__genres { font-size: 0.82rem; color: var(--muted); }

/* -------------------------------------------------------------- network */
.net { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.net__group { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); padding: 1.2rem 1.1rem 0.6rem; }
.net__group h3 { font: 500 0.68rem var(--font-mono); letter-spacing: 0.2em; text-transform: lowercase; color: var(--faint); margin-bottom: 0.5rem; }
.netl {
  display: flex; align-items: center; gap: 0.6rem; padding: 0.52rem 0.4rem;
  border-radius: 3px; transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.netl:hover { background: var(--accent-dim); transform: translateX(4px); }
.net__dot { flex: none; width: 7px; height: 7px; border-radius: 50%; }
.net__dot--live { background: var(--accent); box-shadow: 0 0 8px var(--accent-line); }
.net__dot--wall { background: transparent; border: 1.5px solid var(--accent); }
.netl__body { min-width: 0; }
.netl__name { display: block; font: 600 0.85rem var(--font-display); }
.netl__handle { display: block; font: 400 0.66rem var(--font-mono); color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.netl__arr { margin-left: auto; color: var(--faint); font-size: 0.8rem; opacity: 0; transform: translate(-4px, 4px); transition: opacity 0.25s, transform 0.25s var(--ease); }
.netl:hover .netl__arr { opacity: 1; transform: none; color: var(--accent); }
.net__legend { margin-top: 1.3rem; font-size: 0.68rem; color: var(--faint); display: flex; align-items: center; gap: 0.5rem; letter-spacing: 0.06em; }
.net__legend .net__dot { display: inline-block; }

/* -------------------------------------------------------------- contact */
.contact { padding: var(--pad) 0 4.5rem; }
.contact__title { font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 800; letter-spacing: -0.02em; }
.contact__mail {
  display: inline-block; margin-top: 1.2rem;
  font: 500 clamp(1.05rem, 3vw, 1.9rem)/1.3 var(--font-mono); color: var(--accent);
  letter-spacing: -0.01em; position: relative; word-break: break-all;
}
.contact__mail::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--accent-line); transform: scale-x-0; transform-origin: 0; transition: transform 0.4s var(--ease); }
.contact__mail:hover::after { transform: scaleX(1); }
.contact__row { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-top: 1.8rem; }

.foot { border-top: 1px solid var(--line-soft); padding: 1.4rem 0 1.6rem; }
.foot__in { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.68rem; color: var(--faint); letter-spacing: 0.1em; }
.foot__top:hover { color: var(--accent); }
.foot__top span { display: inline-block; transition: transform 0.25s var(--ease); }
.foot__top:hover span { transform: translateY(-3px); }

/* ----------------------------------------------------------------- sheet */
.sheet {
  width: min(680px, calc(100vw - 2rem)); max-height: min(86vh, 86dvh);
  padding: 0; border: 1px solid var(--line); border-radius: var(--r);
  background: var(--surface); color: var(--text); box-shadow: var(--shadow);
  overflow: hidden; margin: auto;
}
.sheet::backdrop { background: rgba(5, 4, 2, 0.72); backdrop-filter: blur(6px); }
html[data-theme="light"] .sheet::backdrop { background: rgba(30, 24, 12, 0.45); }
.sheet[open] { animation: sheet-in 0.4s var(--ease); }
@keyframes sheet-in { from { opacity: 0; transform: translateY(16px) scale(0.985); } }
.sheet__in { padding: 1.5rem 1.7rem 1.7rem; overflow-y: auto; max-height: inherit; }
.sheet__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.sheet__kind { font-size: 0.68rem; color: var(--accent); letter-spacing: 0.14em; text-transform: lowercase; }
.sheet__title { font: 800 1.9rem/1.1 var(--font-display); letter-spacing: -0.02em; margin-top: 0.25rem; }
.sheet__motif { margin: 1.3rem 0; border: 1px solid var(--line-soft); border-radius: 3px; background: var(--bg-deep); padding: 0.9rem; color: var(--muted); }
.sheet__problem { font: 500 1.02rem/1.55 var(--font-display); color: var(--text); max-width: 58ch; }
.sheet__h { margin: 1.5rem 0 0.6rem; font-size: 0.66rem; letter-spacing: 0.2em; text-transform: lowercase; color: var(--faint); }
.sheet__list { display: grid; gap: 0.45rem; }
.sheet__list li { position: relative; padding-left: 1.2rem; color: var(--muted); font-size: 0.92rem; }
.sheet__list li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.sheet__arch { font-size: 0.78rem; color: var(--muted); }
.sheet__learned { color: var(--text); font-size: 0.95rem; font-style: italic; }
.sheet__foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--line-soft); }
.sheet__foot .mono { font-size: 0.66rem; color: var(--faint); max-width: 60%; text-align: right; }

/* ----------------------------------------------------------------- toast */
.toast {
  position: fixed; left: 50%; bottom: 1.6rem; z-index: 80;
  transform: translate(-50%, 1rem); opacity: 0; pointer-events: none;
  background: var(--accent); color: var(--on-accent);
  font: 500 0.8rem var(--font-mono); padding: 0.65rem 1.1rem; border-radius: 3px;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  max-width: calc(100vw - 2rem);
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* --------------------------------------------------------------- reveals */
html.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease) var(--d, 0ms), transform 0.7s var(--ease) var(--d, 0ms); }
html.js [data-reveal].is-in { opacity: 1; transform: none; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1060px) {
  .hero__in { grid-template-columns: 1fr; align-items: start; }
  .dossier { max-width: 560px; }
  .work__in { grid-template-columns: 1fr; gap: 1.5rem; }
  .section__head--sticky { position: static; }
  .signals__cols, .about__cols, .paper__in, .craft__groups { grid-template-columns: 1fr; }
  .net { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stat { border-bottom: 1px solid var(--line-soft); }
}

@media (max-width: 860px) {
  .nav__links { display: none; }
  .pcard, .pcard--wide { grid-column: span 3; }
  .pcard--full { grid-column: span 6; flex-direction: column; align-items: stretch; gap: 1rem; }
  .grid6 { grid-template-columns: repeat(6, 1fr); }
}

@media (max-width: 680px) {
  .hero { padding-top: calc(62px + 3rem); }
  .ticker__track { animation-duration: 22s; }
  .pcard, .pcard--wide, .pcard--full { grid-column: span 6; }
  .interests { grid-template-columns: 1fr; }
  .il { border-right: 0; }
  .net { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .skill { grid-template-columns: 1fr; gap: 0.3rem; }
  .skill__arr { display: none; }
  .nav__actions .btn { display: none; }
  .clock { display: none; }
  .dossier__stats { grid-template-columns: repeat(2, 1fr); }
  .dstat:nth-child(2) { border-right: 0; }
  .sheet__in { padding: 1.2rem; }
}

/* --------------------------------------------------------- motion policy */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .boot { display: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html.js [data-reveal] { opacity: 1; transform: none; }
  .backdrop__grain { animation: none; }
  .ticker__track { animation: none; transform: none; }
  .wbar__fill { transition: none; }
}