:root {
  --bg: #191816;
  --bg-elevated: #22201d;
  --border: #3a3630;
  --border-hover: #514b44;
  --text-primary: #f4efe8;
  --text-secondary: #c4bcb0;
  --text-tertiary: #8b8379;
  --accent: #ff5a1f;
  --accent-soft: rgba(255, 90, 31, 0.1);
  --accent-strong: rgba(255, 90, 31, 0.18);
  --hero-shadow: rgba(20, 18, 16, 0.92);
  --diff-removed: rgba(255, 90, 31, 0.18);
  --diff-removed-text: #ff855c;
  --diff-kept: rgba(244, 239, 232, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

::selection {
  background: var(--text-primary);
  color: var(--bg);
}

.bg-grid {
  background-image:
    linear-gradient(to right, rgba(244, 239, 232, 0.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 239, 232, 0.028) 1px, transparent 1px);
  background-size: 40px 40px;
  inset: 0;
  mask-image: radial-gradient(ellipse at center, #000 56%, rgba(0, 0, 0, 0.88) 78%, transparent 100%);
  pointer-events: none;
  position: fixed;
  z-index: -3;
}

.ambient-aura {
  animation: breatheAura 16s ease-in-out infinite alternate;
  background: radial-gradient(circle, rgba(244, 239, 232, 0.024) 0%, transparent 62%);
  border-radius: 50%;
  filter: blur(96px);
  height: 80vh;
  left: 50%;
  pointer-events: none;
  position: fixed;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 80vw;
  z-index: -4;
}

.container {
  margin: 0 auto;
  max-width: 1080px;
  padding: 0 24px;
  width: 100%;
}

.hero {
  align-items: stretch;
  display: flex;
  min-height: 100svh;
  overflow: hidden;
  padding: 0;
  position: relative;
}

.hero::after {
  background-image:
    linear-gradient(to right, rgba(244, 239, 232, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 239, 232, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  content: "";
  inset: 0;
  mask-image: radial-gradient(ellipse at center, #000 62%, rgba(0, 0, 0, 0.92) 82%, transparent 100%);
  pointer-events: none;
  position: absolute;
  z-index: 1;
}

.hero-media,
.hero-scrim {
  inset: 0;
  position: absolute;
  z-index: 0;
}

.hero-media {
  background-image: url("assets/kutuk-hero-image.jpg");
  background-position: center top;
  background-size: cover;
  filter: saturate(0.55) contrast(0.98) brightness(0.75);
  opacity: 0.18;
}

.hero-scrim {
  background:
    linear-gradient(180deg, rgba(25, 24, 22, 0.62) 0%, var(--hero-shadow) 55%, var(--bg) 100%),
    linear-gradient(90deg, rgba(25, 24, 22, 0.97) 0%, rgba(25, 24, 22, 0.85) 52%, rgba(25, 24, 22, 0.97) 100%);
}

.hero-inner {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: 100svh;
  padding-bottom: 60px;
  padding-top: 60px;
  position: relative;
  text-align: center;
  z-index: 2;
}

.hero-copy {
  align-items: center;
  display: flex;
  flex-direction: column;
  max-width: 980px;
  width: 100%;
}

.hero-mark {
  align-items: center;
  background: linear-gradient(180deg, rgba(236, 132, 171, 0.92) 0%, rgba(211, 100, 152, 0.92) 100%);
  border: 1px solid rgba(255, 226, 236, 0.18);
  border-radius: 22px;
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  color: var(--text-primary);
  display: inline-flex;
  font-size: 2.55rem;
  font-weight: 600;
  height: 86px;
  justify-content: center;
  letter-spacing: 0;
  margin-bottom: 18px;
  position: relative;
  width: 86px;
  z-index: 3;
}

.hero-repo {
  align-items: center;
  backdrop-filter: blur(6px);
  background: rgba(28, 26, 24, 0.86);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  display: inline-flex;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  gap: 8px;
  margin-bottom: 14px;
  padding: 6px 12px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.hero-repo:hover,
.hero-repo:focus-visible {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.hero-kicker {
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.76rem;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.7rem, 5.8vw, 4.85rem);
  font-weight: 300;
  line-height: 0.98;
  max-width: none;
}

.hero-title {
  display: grid;
  margin-bottom: 0;
  min-height: 1.02em;
  place-items: center;
  position: relative;
  width: 100%;
}

.type-ghost {
  display: block;
  visibility: hidden;
}

.type-live {
  display: block;
  inset: 0;
  position: absolute;
  text-align: center;
  width: 100%;
}

.type-target {
  display: inline;
  white-space: normal;
}

.type-text {
  white-space: normal;
}

.type-cursor {
  animation: blinkCursor 1s steps(1) infinite;
  display: inline-block;
  margin-left: 0.02em;
  min-width: 0.5ch;
}

.type-cursor.is-typing {
  animation: none;
  opacity: 1;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: clamp(0.98rem, 1.85vw, 1.16rem);
  line-height: 1.62;
  margin-top: 20px;
  max-width: 48rem;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
}

.hero-link {
  border-bottom: 1px solid transparent;
  color: var(--text-secondary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.hero-link:hover,
.hero-link:focus-visible {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.cli-install {
  align-items: center;
  backdrop-filter: blur(10px);
  background: rgba(31, 29, 26, 0.92);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: inline-flex;
  gap: 16px;
  min-height: 52px;
  padding: 4px 4px 4px 18px;
  transition: border-color 0.2s ease;
}

.cli-install:hover {
  border-color: var(--border-hover);
}

.cli-prefix,
.cli-code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
}

.cli-prefix {
  color: var(--text-tertiary);
}

.cli-code {
  color: var(--text-primary);
  min-width: 0;
  overflow-wrap: anywhere;
}

.cli-btn {
  background: var(--text-primary);
  border: none;
  border-radius: 4px;
  color: var(--bg);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  min-height: 42px;
  padding: 0 20px;
  transition: transform 0.15s ease, background 0.2s ease;
}

.cli-btn:active {
  transform: scale(0.97);
}

.marquee {
  backdrop-filter: blur(4px);
  background: rgba(28, 26, 23, 0.94);
  border-bottom: 1px solid var(--border);
  border-top: 1px solid var(--border);
  display: flex;
  overflow: hidden;
  padding: 18px 0;
}

.marquee-content {
  animation: marquee 22s linear infinite;
  display: flex;
  gap: 48px;
  white-space: nowrap;
}

.marquee-item {
  color: var(--text-tertiary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}

.marquee-item span {
  color: var(--text-primary);
  margin-left: 8px;
}

.section {
  padding: 108px 0;
  position: relative;
}

.section-badge {
  color: var(--accent);
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.76rem;
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  font-weight: 300;
  line-height: 1.08;
  max-width: 720px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.7;
  margin-top: 18px;
  max-width: 640px;
}

.facts-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 40px;
}

.fact-card {
  background: rgba(30, 28, 25, 0.97);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-height: 176px;
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.fact-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.fact-kicker {
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
}

.fact-value {
  color: var(--text-primary);
  font-size: clamp(1.18rem, 2vw, 1.68rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.05;
  margin-top: 12px;
}

.fact-copy {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-top: 12px;
  max-width: 30ch;
}

.diff-container,
.viz-container,
.glass-terminal {
  margin-top: 40px;
}

.diff-container {
  backdrop-filter: blur(12px);
  background: rgba(30, 28, 25, 0.95);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.diff-header {
  align-items: center;
  background: rgba(34, 31, 28, 0.98);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  justify-content: space-between;
  padding: 14px 20px;
}

.diff-meta {
  color: var(--text-primary);
}

.diff-body {
  color: var(--text-secondary);
  font-size: 1.08rem;
  line-height: 1.8;
  padding: 28px 24px 20px;
}

.diff-strike {
  background: var(--diff-removed);
  border-radius: 3px;
  color: var(--diff-removed-text);
  margin-right: 4px;
  padding: 2px 4px;
  text-decoration: line-through;
}

.diff-keep {
  background: var(--diff-kept);
  border-radius: 3px;
  color: var(--text-primary);
  margin-right: 4px;
  padding: 2px 4px;
}

.diff-body code,
.term-line code {
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95em;
}

.diff-toggle {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding: 0 20px 20px;
}

.toggle-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  padding: 8px 12px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.toggle-btn.active {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg);
}

.viz-container {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  overflow: hidden;
}

.viz-row {
  background: rgba(30, 28, 25, 0.97);
  display: grid;
  gap: 0;
  grid-template-columns: minmax(0, 34%) minmax(0, 66%);
}

.viz-label {
  align-items: center;
  border-right: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  font-size: 0.96rem;
  line-height: 1.5;
  padding: 20px;
}

.viz-track-container {
  align-items: center;
  display: flex;
  gap: 18px;
  min-width: 0;
  padding: 20px;
}

.viz-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  flex: 1;
  height: 6px;
  overflow: hidden;
  position: relative;
}

.viz-fill {
  background: var(--accent);
  border-radius: 999px;
  height: 100%;
  inset: 0 auto 0 0;
  position: absolute;
}

.viz-stats {
  color: var(--text-primary);
  flex: 0 0 200px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  text-align: right;
}

.viz-stats span {
  color: var(--text-tertiary);
  margin-right: 8px;
}

.bento-grid {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 40px;
  overflow: hidden;
}

.bento-box {
  background: rgba(30, 28, 25, 0.97);
  display: flex;
  flex-direction: column;
  gap: 18px;
  justify-content: flex-start;
  min-height: 240px;
  padding: 32px;
}

.bento-large {
  grid-column: span 2;
}

.bento-icon {
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
}

.bento-title {
  font-size: 1.2rem;
  font-weight: 600;
}

.bento-desc {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
  max-width: 38ch;
}

.glass-terminal {
  backdrop-filter: blur(26px);
  background: rgba(30, 28, 25, 0.97);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.72);
  overflow: hidden;
}

.term-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  gap: 8px;
  padding: 16px 20px;
}

.term-dot {
  background: var(--border-hover);
  border-radius: 50%;
  height: 12px;
  width: 12px;
}

.term-body {
  color: var(--text-secondary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  min-height: 260px;
  padding: 28px 22px 24px;
}

.term-line {
  line-height: 1.7;
  margin-bottom: 8px;
}

.term-accent {
  color: var(--accent);
}

.term-input-row {
  align-items: center;
  display: flex;
  gap: 14px;
  margin-top: 16px;
}

.term-input {
  background: none;
  border: none;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  outline: none;
}

.term-input::placeholder {
  color: var(--text-tertiary);
}

.footer {
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  display: flex;
  font-size: 0.85rem;
  gap: 20px;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 52px;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--text-primary);
}

.footer-separator {
  color: var(--border-hover);
  margin: 0 10px;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

.no-js .reveal {
  opacity: 1;
  transform: none;
}

@keyframes breatheAura {
  0% {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(0.82);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -60%) scale(1.18);
  }
}

@keyframes blinkCursor {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (max-width: 920px) {
  .hero {
    min-height: auto;
  }

  .hero-inner {
    min-height: auto;
    padding-bottom: 52px;
    padding-top: 52px;
  }

  .hero h1 {
    font-size: clamp(2.45rem, 8vw, 4rem);
  }

  .hero-subtitle {
    max-width: 42rem;
  }

  .facts-grid {
    grid-template-columns: 1fr;
  }

  .viz-row {
    grid-template-columns: 1fr;
  }

  .viz-label {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .viz-track-container {
    align-items: flex-start;
    flex-direction: column;
  }

  .viz-stats {
    flex: 0 0 auto;
    text-align: left;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-large {
    grid-column: span 1;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .container,
  .footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-inner {
    padding-bottom: 40px;
    padding-top: 40px;
  }

  .section {
    padding: 84px 0;
  }

  .fact-card {
    min-height: auto;
    padding: 20px 18px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 10.2vw, 3rem);
    line-height: 1;
  }

  .hero-mark {
    border-radius: 18px;
    font-size: 2.1rem;
    height: 72px;
    margin-bottom: 18px;
    width: 72px;
  }

  .hero-repo {
    margin-bottom: 12px;
  }

  .hero-kicker {
    margin-bottom: 14px;
  }

  .hero-subtitle {
    margin-top: 18px;
  }

  .fact-kicker {
    font-size: 0.62rem;
  }

  .fact-value {
    font-size: 1.08rem;
  }

  .fact-copy {
    font-size: 0.82rem;
    line-height: 1.52;
  }

  .cli-install {
    width: 100%;
  }

  .cli-code {
    font-size: 0.82rem;
  }

  .cli-btn {
    flex: 0 0 auto;
  }

  .diff-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .diff-body,
  .term-body {
    font-size: 0.96rem;
  }

}