/* ============================================================
   DEMON project page
   Editorial-brutalist on pure black.
   Aesthetic anchors: thin neon lines, monospace caps,
   spaced typography, scientific-instrument feel.
   ============================================================ */

/* --- reset --- */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, video, svg { display: block; max-width: 100%; height: auto; }
button { background: none; border: 0; color: inherit; font: inherit; cursor: pointer; }
a { color: inherit; }

/* --- design tokens --- */
:root {
  --bg:        #000000;
  --paper:    #f5f1e8;          /* warm off-white for a future light-mode if we ever want it */
  --ink:      #f1ece0;          /* warm off-white text */
  --ink-dim:  #8a8678;          /* secondary */
  --ink-faint:#3a3833;          /* tertiary, dividers */
  --rule:     rgba(255, 255, 255, 0.08);

  /* neon palette, used sparingly, never as gradients */
  --neon-red:   #ff3c1f;
  --neon-orange:#ff7a00;
  --neon-yellow:#d4ff00;
  --neon-cyan:  #00f0e0;
  --neon-magenta:#ff2db4;
  --neon-pink: #ff7a8a;

  /* type stacks: IBM Plex via Google Fonts; system fallbacks below */
  --mono: 'IBM Plex Mono', ui-monospace, 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
  --serif: 'IBM Plex Serif', 'Iowan Old Style', 'Charter', Georgia, 'Times New Roman', serif;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* rhythm */
  --measure: 68ch;            /* readable line length */
  --gutter: clamp(1.25rem, 3vw, 2.5rem);
  --section-pad: clamp(3rem, 6vw, 5rem);
}

/* --- base --- */
html {
  font-size: clamp(15px, 0.85vw + 12px, 18px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  font-feature-settings: "kern", "liga", "calt", "ss01";
}

/* --- type scale --- */
.kicker {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.h-display {
  font-family: var(--mono);
  font-weight: 200;
  font-size: clamp(2.4rem, 6.5vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
}
.h-display .word--accent { color: var(--neon-orange); }
h2 {
  font-family: var(--mono);
  font-weight: 300;
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1.4rem;
}
h3 {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 0.6rem;
}
h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
p {
  font-family: var(--serif);
  max-width: var(--measure);
  margin-bottom: 1.1rem;
  font-size: 1.02rem;
}
p.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.5;
  max-width: 56ch;
  color: var(--ink);
}
strong { color: var(--ink); font-weight: 500; }
em { color: var(--ink); font-style: italic; }
code, .mono {
  font-family: var(--mono);
  font-size: 0.92em;
  letter-spacing: 0;
}
p code, li code {
  background: rgba(255, 255, 255, 0.04);
  padding: 0.05em 0.4em;
  border: 1px solid var(--rule);
}
a {
  text-decoration: none;
  border-bottom: 1px solid var(--ink-faint);
  transition: color 120ms ease, border-color 120ms ease;
}
a:hover { color: var(--neon-orange); border-bottom-color: var(--neon-orange); }

/* --- layout primitives --- */
.container {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow {
  max-width: 1200px;
}
section {
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
  position: relative;
}
section + section {
  border-top: 1px solid var(--rule);
}
.section-label {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.section-label .name {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
  align-self: center;
}

/* ============================================================
   HERO (centered title / author / resources / teaser / abstract)
   ============================================================ */
.hero {
  min-height: 90vh;
  padding-top: 5rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hero__animation {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}
.hero__animation canvas { width: 100%; height: 100%; }
.hero__content {
  position: relative;
  z-index: 1;
}
.hero__name {
  font-family: var(--mono);
  font-weight: 200;
  font-size: clamp(3rem, 7vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 auto 0.7rem;
  max-width: none;
}
.hero__expansion {
  font-family: var(--mono);
  font-weight: 300;
  font-size: clamp(1.25rem, 2.4vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 auto 1rem;
  max-width: none;
}
.hero__expansion .acronym {
  position: relative;
  display: inline-block;
  color: var(--neon-orange);
}
.hero__expansion .acronym::after {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: -0.04em;
  height: 0.05em;
  background: var(--neon-orange);
  pointer-events: none;
}
.hero__subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.35;
  color: var(--ink-dim);
  margin: 0 auto 2.5rem;
  max-width: 56ch;
}

.resource-btn__icon {
  margin-right: 0.5em;
  font-size: 1.1em;
  line-height: 0;
}
.resource-btn__emoji {
  margin-right: 0.4em;
  font-size: 1em;
}

/* author line */
.author-line {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 2.5rem;
  max-width: none;
}
.author-line .sep {
  color: var(--ink-faint);
  margin: 0 0.4em;
}

/* resource row */
.resource-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin: 0 auto 3.5rem;
  max-width: 780px;
}
.resource-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1rem;
  border: 1px solid var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  transition: color 150ms ease, border-color 150ms ease;
}
.resource-btn:hover {
  border-color: var(--neon-orange);
  color: var(--neon-orange);
}
.resource-btn--disabled,
.resource-btn--disabled:hover {
  color: var(--ink-faint);
  border-color: var(--ink-faint);
  cursor: default;
  pointer-events: none;
}
.resource-btn--disabled em {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9em;
  margin-left: 0.4em;
  letter-spacing: 0;
  color: var(--ink-faint);
  text-transform: none;
}

/* teaser */
.teaser-frame {
  position: relative;
  border: 1px solid var(--rule);
  background: #050505;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  max-width: 1080px;
  margin: 0 auto 4rem;
}
.teaser-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.teaser-frame .placeholder {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: center;
  padding: 2rem;
}
.teaser-frame .placeholder svg {
  margin: 0 auto 1rem;
}

/* abstract */
.abstract-block {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}
.abstract-label {
  font-family: var(--mono);
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 1rem;
  text-align: center;
}
.abstract {
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink);
  max-width: none;
  margin: 0;
}

/* ============================================================
   LORA MORPH SHOWCASE
   ============================================================ */
.morph-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (max-width: 800px) {
  .morph-grid { grid-template-columns: 1fr; }
}
.morph-card {
  border: 1px solid var(--rule);
  background: #040404;
  position: relative;
  transition: border-color 200ms ease;
}
.morph-card:hover { border-color: var(--ink-faint); }
.morph-card__media {
  aspect-ratio: 16 / 10;
  background: #060606;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.morph-card__media video { width: 100%; height: 100%; object-fit: cover; }
.morph-card__media .placeholder {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.morph-card__media::before {
  /* subtle scan-line tag in the corner */
  content: attr(data-tag);
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent, var(--ink-dim));
  z-index: 1;
}
.morph-card__body {
  padding: 1.4rem 1.5rem 1.6rem;
  border-top: 1px solid var(--rule);
}
.morph-card__lora {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent, var(--neon-orange));
  margin-bottom: 0.5rem;
}
.morph-card__title {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.6rem;
  font-weight: 300;
}
.morph-card__caption {
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--ink-dim);
  line-height: 1.5;
  margin: 0;
}
.morph-card[data-accent="red"]    { --accent: var(--neon-red); }
.morph-card[data-accent="orange"] { --accent: var(--neon-orange); }
.morph-card[data-accent="cyan"]   { --accent: var(--neon-cyan); }
.morph-card[data-accent="yellow"] { --accent: var(--neon-yellow); }
.morph-card[data-accent="magenta"]{ --accent: var(--neon-magenta); }

/* ============================================================
   WHAT'S DIFFERENT (three contributions)
   ============================================================ */
.contribs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
@media (max-width: 900px) { .contribs { grid-template-columns: 1fr; } }
.contrib {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contrib__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--ink-faint);
}
.contrib__name {
  font-family: var(--mono);
  font-weight: 300;
  font-size: 1.4rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.15;
}
.contrib__name .accent { color: var(--neon-orange); }
.contrib__body {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--ink-dim);
  line-height: 1.55;
  margin-bottom: 0;
}

/* ============================================================
   EXPERIMENTS / audio sample pairs
   ============================================================ */
.experiment {
  margin: 0 0 3.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--rule);
}
.experiment:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}
.experiment__claim {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--neon-orange);
  margin-bottom: 0.6rem;
}
.experiment__title {
  font-family: var(--mono);
  font-weight: 300;
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 0.9rem;
}
.experiment__desc {
  max-width: var(--measure);
  margin-bottom: 1.6rem;
  color: var(--ink-dim);
}

.audio-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 800px) {
  .audio-pair { grid-template-columns: 1fr; }
}
.audio-pair__item {
  border: 1px solid var(--rule);
  background: #050505;
  padding: 1rem 1.1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.audio-pair__label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.audio-pair audio {
  width: 100%;
  color-scheme: dark;
}

.curve-figure {
  max-width: 720px;
  margin: 0.5rem auto 2rem;
}
.curve-figure img {
  margin: 0 auto;
}

/* ============================================================
   PERFORMANCE TABLE
   ============================================================ */
.perf-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.85rem;
  margin-top: 1rem;
}
.perf-table th, .perf-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  letter-spacing: 0.02em;
}
.perf-table th {
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-dim);
  border-bottom: 1px solid var(--ink-faint);
}
.perf-table td.num {
  font-variant-numeric: tabular-nums;
  color: var(--neon-orange);
}
.perf-table td.compare {
  color: var(--ink-dim);
  font-size: 0.8rem;
}

/* ============================================================
   HOW IT WORKS / long-form editorial
   ============================================================ */
.prose {
  max-width: var(--measure);
}
.prose h3 {
  margin-top: 2.5rem;
  margin-bottom: 0.8rem;
  color: var(--ink);
}
.prose h3:first-child { margin-top: 0; }
.prose ul {
  margin-bottom: 1.2rem;
  padding-left: 0;
}
.prose ul li {
  font-family: var(--serif);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}
.prose ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--neon-orange);
  font-family: var(--mono);
}
.callout {
  margin: 2.5rem 0;
  padding: 1.6rem 1.8rem;
  border-left: 2px solid var(--neon-orange);
  background: rgba(255, 122, 0, 0.04);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.02rem;
  color: var(--ink);
}
.figure {
  margin: 2.5rem 0;
  border: 1px solid var(--rule);
  padding: 1rem;
  background: #050505;
}
.figure figcaption {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--rule);
}

/* ============================================================
   GET STARTED / code blocks
   ============================================================ */
.code-block {
  background: #050505;
  border: 1px solid var(--rule);
  padding: 1.4rem 1.6rem;
  margin-bottom: 1.2rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink);
}
.code-block .comment { color: var(--ink-dim); }
.code-block .cmd::before { content: "$ "; color: var(--neon-orange); }

/* ============================================================
   ACKNOWLEDGMENTS
   ============================================================ */
.ack {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
}
@media (max-width: 800px) { .ack { grid-template-columns: 1fr; gap: 1.5rem; } }
.ack p {
  margin-bottom: 0.8rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  border-top: 1px solid var(--rule);
  padding: 3rem var(--gutter);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
footer .row {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1.5rem;
}
footer a { border: 0; }

/* ============================================================
   utility: blink + scanline accent for that scientific feel
   ============================================================ */
.blink {
  animation: blink 1.6s steps(2, start) infinite;
}
@keyframes blink {
  to { opacity: 0; }
}
.scanline {
  height: 1px;
  width: 100%;
  background: linear-gradient(to right, transparent, var(--ink-faint) 30%, var(--ink-faint) 70%, transparent);
  margin: 4rem 0;
}

/* ============================================================
   reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .hero__animation { display: none; }
}