:root {
  --bg: #f3efe7;
  --bg-deep: #171717;
  --surface: rgba(255, 255, 255, 0.62);
  --surface-strong: rgba(255, 255, 255, 0.82);
  --text: #171717;
  --muted: #5d5b56;
  --line: rgba(23, 23, 23, 0.12);
  --accent: #ff7a18;
  --accent-soft: #ffd9b4;
  --teal: #60d2c6;
  --gold: #d7b372;
  --shadow: 0 24px 80px rgba(19, 20, 18, 0.14);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --content-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 190, 107, 0.34), transparent 32%),
    radial-gradient(circle at 85% 18%, rgba(96, 210, 198, 0.18), transparent 24%),
    linear-gradient(180deg, #f7f3ea 0%, #f0ebe2 56%, #ece7de 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 85%);
  opacity: 0.35;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.hero {
  position: relative;
  padding: 24px 28px 54px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(10, 12, 14, 0.9), rgba(20, 24, 28, 0.82)),
    url("./Auto/after/redd-francisco-FgrKAg5jC1w-unsplash.jpg") center/cover;
  background-blend-mode: overlay;
  box-shadow: var(--shadow);
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 34px;
  background:
    radial-gradient(circle at 14% 18%, rgba(255, 122, 24, 0.22), transparent 24%),
    radial-gradient(circle at 86% 22%, rgba(96, 210, 198, 0.16), transparent 22%),
    linear-gradient(180deg, rgba(6, 9, 13, 0.1), rgba(6, 9, 13, 0.42));
  z-index: -1;
}

.topbar,
.hero-grid,
.section {
  width: min(calc(100% - 24px), var(--content-width));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff7ea;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  padding: 5px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.24);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.nav-links a {
  color: rgba(255, 247, 234, 0.88);
  text-decoration: none;
  font-size: 0.95rem;
}

.hero-grid {
  display: block;
  min-height: 0;
}

.hero-copy {
  width: min(100%, 1520px);
  max-width: none;
  padding: 36px 0 34px;
  color: #fff9f0;
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 241, 219, 0.8);
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1,
h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

h1 {
  width: min(100%, 78vw);
  max-width: 1460px;
  font-size: clamp(2.9rem, 4.1vw, 5.25rem);
  line-height: 0.99;
  text-wrap: balance;
}

.hero-text {
  max-width: 980px;
  margin: 24px 0 0;
  font-size: 1.14rem;
  line-height: 1.75;
  color: rgba(255, 248, 237, 0.96);
}

@media (min-width: 1500px) {
  .hero-copy {
    width: min(100%, 1660px);
  }

  h1 {
    width: min(100%, 82vw);
    max-width: 1580px;
    font-size: clamp(3.2rem, 3.85vw, 5.6rem);
  }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, #ff8b31, #ffc578);
  color: #16130f;
}

.button-secondary {
  background: linear-gradient(180deg, rgba(14, 20, 27, 0.94), rgba(8, 12, 18, 0.9));
  color: #fffefb;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 10px 24px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
}

.authors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: 30px;
}

.authors span {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(12, 18, 24, 0.46);
  color: rgba(255, 249, 240, 0.98);
  backdrop-filter: blur(14px);
}

.glass-card,
.comparison-card,
.pipeline-card {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.comparison-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.hero-metrics-inline {
  max-width: 980px;
  margin-top: 30px;
}

.hero-metrics div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(10, 15, 20, 0.7), rgba(20, 26, 32, 0.56));
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 247, 234, 0.96);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.hero-metrics strong {
  font-size: 1.6rem;
  color: #fffdf8;
}

.hero-metrics span {
  color: rgba(255, 244, 232, 0.9);
}

.section {
  padding: 68px 0;
}

.section-heading {
  max-width: 760px;
}

.overview .section-heading {
  max-width: none;
}

.on-device-demo .section-heading {
  max-width: none;
}

.results .section-heading {
  max-width: 1280px;
}

.method .section-heading,
.dataset .section-heading,
.citation .section-heading {
  max-width: 1280px;
}

.section-heading .eyebrow {
  color: #8d6943;
}

.section-heading h2 {
  font-size: clamp(2.2rem, 3.9vw, 3.7rem);
  line-height: 1.02;
}

.section-heading p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 24px;
  margin-top: 28px;
}

.glass-card {
  padding: 28px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  border-color: rgba(23, 23, 23, 0.08);
}

.glass-card h3,
.pipeline-card h3 {
  margin-bottom: 14px;
  font-size: 1.3rem;
}

.glass-card p,
.pipeline-card p {
  margin: 0;
  line-height: 1.8;
  color: var(--muted);
}

.abstract-card p {
  text-align: justify;
  text-justify: inter-word;
}

.abstract-card {
  min-height: 100%;
}

.abstract-card p + p {
  margin-top: 16px;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.feature-list li {
  position: relative;
  padding: 14px 16px 14px 46px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
  line-height: 1.6;
  color: #2d2b28;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 18px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #ffd38d);
  box-shadow: 0 0 14px rgba(255, 122, 24, 0.35);
}

.demo-video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: start;
  margin-top: 24px;
}

.demo-lede {
  max-width: 900px;
  margin: 14px auto 0;
  color: #332f29;
  text-align: center;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.6;
}

.demo-video-card {
  padding: 16px 16px 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.86));
  border: 1px solid rgba(23, 23, 23, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.demo-video-card video {
  display: block;
  width: min(100%, 320px);
  height: auto;
  margin: 0 auto;
  max-height: 70vh;
  border-radius: 18px;
  background: #ffffff;
  object-fit: contain;
  object-position: center;
}

.demo-video-card h3 {
  margin: 14px 0 0;
  text-align: center;
  font-size: 1.08rem;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 32px;
}

.mode-section {
  margin-top: 38px;
}

.mode-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.mode-eyebrow {
  margin: 0 0 10px;
  color: #9b6a2b;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
}

.mode-header h3 {
  font-size: 1.7rem;
}

.mode-description {
  color: var(--muted);
  font-size: 0.95rem;
}

.comparison-card {
  padding: 16px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.5));
  border-color: rgba(23, 23, 23, 0.08);
}

.param-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 32px;
}

.param-card {
  padding: 16px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.54));
  border: 1px solid rgba(23, 23, 23, 0.08);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.comparison-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.comparison-kicker {
  color: #8d6943;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.comparison-name {
  color: #5e5448;
  font-size: 0.92rem;
}

.mode-badge,
.placeholder-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 122, 24, 0.12);
  border: 1px solid rgba(255, 122, 24, 0.2);
  color: #9a5c14;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.auto-badge {
  background: rgba(96, 210, 198, 0.16);
  border-color: rgba(96, 210, 198, 0.3);
  color: #156d65;
}

.style-badge {
  background: rgba(255, 122, 24, 0.12);
  border-color: rgba(255, 122, 24, 0.24);
  color: #9a5c14;
}

.param-badge {
  background: rgba(92, 117, 255, 0.12);
  border-color: rgba(92, 117, 255, 0.24);
  color: #3650b8;
}

.params-panel {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 248, 235, 0.84), rgba(255, 255, 255, 0.66));
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.params-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  color: #8d6943;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.params-text {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.88rem;
  line-height: 1.7;
  color: #2d2b28;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.compare {
  --position: 50%;
  position: relative;
  margin-top: 14px;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 18px;
  background: #d6d0c4;
  cursor: ew-resize;
  touch-action: none;
}

.compare img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  pointer-events: none;
}

.after-layer {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--position)) 0 0);
  overflow: hidden;
}

.after-layer img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.compare-line {
  position: absolute;
  inset: 0 auto 0 var(--position);
  width: 2px;
  background: rgba(255, 255, 255, 0.92);
  transform: translateX(-1px);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.compare-handle {
  position: absolute;
  top: 50%;
  left: var(--position);
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #fff8eb, #ffffff);
  transform: translate(-50%, -50%);
  box-shadow: 0 12px 28px rgba(17, 17, 17, 0.18);
}

.compare-handle::before,
.compare-handle::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 2px solid #2c2a27;
  border-right: 2px solid #2c2a27;
}

.compare-handle::before {
  left: 15px;
  transform: translateY(-50%) rotate(-135deg);
}

.compare-handle::after {
  right: 15px;
  transform: translateY(-50%) rotate(45deg);
}

.compare-label {
  position: absolute;
  top: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.before-label {
  right: 14px;
  color: #1a1714;
  background: rgba(255, 248, 235, 0.82);
}

.after-label {
  left: 14px;
  color: #fff8eb;
  background: rgba(17, 17, 17, 0.42);
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 30px;
}

.method-figure {
  margin-top: 28px;
  padding: 20px;
  overflow: hidden;
}

.method-figure-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: #ffffff;
}

.pipeline-card {
  padding: 26px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(96, 210, 198, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.58));
  border-color: rgba(23, 23, 23, 0.08);
}

.pipeline-index {
  display: inline-flex;
  margin-bottom: 14px;
  color: #9b6a2b;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
}

.dataset-showcase,
.dataset-text,
.dataset-pipeline {
  margin-top: 28px;
  padding: 12px;
  overflow: hidden;
}

.dataset-pipeline {
  margin-top: 22px;
}

.dataset-text p {
  margin: 0;
  line-height: 1.8;
  color: var(--muted);
}

.dataset-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: #ffffff;
}

.citation-card {
  margin-top: 28px;
}

.section-heading,
.glass-card,
.demo-video-card,
.comparison-card,
.param-card,
.pipeline-card {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.is-visible {
  opacity: 1;
  transform: translateY(0);
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  line-height: 1.7;
  color: #2a2927;
}

@media (max-width: 1080px) {
  .hero-grid,
  .overview-grid,
  .pipeline,
  .comparison-grid,
  .demo-video-grid,
  .param-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .hero {
    padding: 16px 14px 40px;
  }

  .hero::before,
  .hero::after {
    inset: 10px;
    border-radius: 26px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 24px;
  }

  .nav-links {
    gap: 14px;
  }

  .hero-grid,
  .overview-grid,
  .comparison-grid,
  .demo-video-grid,
  .param-grid,
  .pipeline {
    grid-template-columns: 1fr;
  }

  .mode-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .comparison-meta {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  h1 {
    width: 100%;
    max-width: 100%;
    font-size: clamp(2.45rem, 12vw, 4rem);
    text-wrap: pretty;
  }

  .hero-text {
    font-size: 1.02rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 54px 0;
  }

  .glass-card,
  .demo-video-card,
  .comparison-card,
  .pipeline-card {
    border-radius: 22px;
  }
}