:root {
  color-scheme: light;
  --ink: #161611;
  --muted: #5d6259;
  --paper: #fbfaf5;
  --white: #ffffff;
  --line: #dedbd0;
  --moss: #476447;
  --moss-dark: #223726;
  --coral: #db614d;
  --gold: #d79b36;
  --cyan: #60bfd0;
  --night: #111611;
  --shadow: 0 24px 60px rgba(22, 22, 17, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 14px clamp(18px, 4vw, 48px);
  color: var(--white);
  background: rgba(17, 22, 17, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  width: 22px;
  height: 22px;
  background: url("assets/brand/kavio-frame-stack-icon.svg") center / contain no-repeat;
  border-radius: 5px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.brand-mark.frame-stack {
  background: url("assets/brand/kavio-frame-stack-icon.svg") center / contain no-repeat;
  position: relative;
}

.brand-mark.frame-stack::before {
  content: none;
}

.brand-mark.frame-stack::after {
  content: none;
}

.nav-links {
  gap: clamp(12px, 3vw, 30px);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--white);
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(760px, 92vh);
  overflow: hidden;
  color: var(--white);
  background: var(--night);
}

#hero-scene,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#hero-scene {
  opacity: 0.94;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(17, 22, 17, 0.94) 0%, rgba(17, 22, 17, 0.72) 42%, rgba(17, 22, 17, 0.14) 100%),
    linear-gradient(0deg, rgba(17, 22, 17, 0.45), rgba(17, 22, 17, 0));
}

.hero-content {
  position: relative;
  width: min(720px, calc(100% - 36px));
  margin: 0 auto;
  padding: 112px 0 72px;
  transform: translateX(clamp(0px, -18vw, 0px));
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(4.8rem, 16vw, 10rem);
  line-height: 0.86;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.15rem, 2.2vw, 1.7rem);
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
}

.button.primary {
  color: var(--night);
  background: var(--gold);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.section {
  padding: clamp(64px, 9vw, 112px) clamp(18px, 4vw, 48px);
}

.section-heading {
  width: min(1120px, 100%);
  margin: 0 auto 34px;
}

.section-link {
  width: min(1120px, 100%);
  margin: 24px auto 0;
  font-weight: 900;
}

.section-link a {
  color: var(--moss);
  border-bottom: 2px solid currentColor;
}

.section h2 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1;
  letter-spacing: 0;
}

.project-grid,
.link-grid,
.example-list,
.package-grid,
.split-section {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.feature {
  min-height: 280px;
  padding: 28px;
  background: var(--white);
}

.feature-index {
  display: inline-block;
  margin-bottom: 48px;
  color: var(--moss);
  font-size: 0.82rem;
  font-weight: 900;
}

.feature h3,
.example h3 {
  margin: 0 0 10px;
  font-size: 1.3rem;
}

.feature p,
.flow-copy p,
.example p,
.link-grid span {
  color: var(--muted);
  line-height: 1.62;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 74px);
  align-items: center;
}

.flow-copy p {
  max-width: 560px;
  font-size: 1.05rem;
}

.composition-panel {
  padding: 18px;
  background: var(--night);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.preview-frame {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  background:
    linear-gradient(140deg, rgba(219, 97, 77, 0.28), transparent 34%),
    linear-gradient(330deg, rgba(96, 191, 208, 0.32), transparent 38%),
    #222a22;
  border-radius: 6px;
}

.preview-video {
  position: absolute;
  inset: 32px;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.12), transparent 30%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0 8px, transparent 8px 20px),
    linear-gradient(160deg, #445b50, #172319 62%, #d79b36);
  border-radius: 4px;
}

.preview-title {
  position: absolute;
  top: 72px;
  left: 50%;
  width: min(360px, calc(100% - 64px));
  transform: translateX(-50%);
  color: var(--white);
  font-size: clamp(2rem, 5vw, 4.4rem);
  font-weight: 900;
  line-height: 0.95;
  text-align: center;
}

.preview-safe-zone {
  position: absolute;
  inset: 54px 42px;
  border: 1px dashed rgba(255, 255, 255, 0.42);
  border-radius: 3px;
}

.timeline {
  display: grid;
  gap: 10px;
  padding: 18px 4px 4px;
}

.timeline-row {
  --label-width: 86px;
  position: relative;
  display: grid;
  grid-template-columns: var(--label-width) 1fr;
  align-items: center;
  min-height: 28px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.timeline-row::after {
  content: "";
  grid-column: 2;
  height: 8px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.timeline-row b {
  position: absolute;
  left: calc(var(--label-width) + var(--start));
  width: var(--width);
  max-width: calc(100% - var(--label-width) - var(--start));
  height: 12px;
  background: linear-gradient(90deg, var(--cyan), var(--gold), var(--coral));
  border-radius: 999px;
}

.docs-section {
  color: var(--white);
  background: var(--moss-dark);
}

.docs-section .eyebrow {
  color: var(--gold);
}

.docs-section .section-link a {
  color: var(--gold);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.link-grid a {
  display: grid;
  gap: 12px;
  min-height: 168px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
}

.link-grid a:hover,
.link-grid a:focus-visible,
.example a:hover,
.example a:focus-visible {
  transform: translateY(-2px);
}

.link-grid strong {
  font-size: 1.15rem;
}

.link-grid span {
  color: rgba(255, 255, 255, 0.72);
}

.examples-section {
  background: #f1f4ee;
}

.example-list {
  display: grid;
  gap: 12px;
}

.example {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 22px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.example p {
  margin: 0;
}

.example a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 116px;
  min-height: 40px;
  padding: 0 14px;
  color: var(--white);
  font-weight: 800;
  background: var(--moss);
  border-radius: 6px;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.package-grid span {
  min-height: 72px;
  padding: 24px 18px;
  color: var(--white);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: var(--night);
  border-left: 5px solid var(--coral);
  border-radius: 6px;
  overflow-wrap: anywhere;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  padding: 28px;
  color: rgba(255, 255, 255, 0.72);
  background: var(--night);
}

.footer a {
  color: var(--white);
  font-weight: 800;
}

.page-header {
  position: sticky;
  color: var(--white);
}

.page-hero {
  padding: clamp(72px, 10vw, 132px) clamp(18px, 4vw, 48px) clamp(52px, 8vw, 96px);
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(96, 191, 208, 0.18), transparent 36%),
    linear-gradient(330deg, rgba(219, 97, 77, 0.28), transparent 38%),
    var(--night);
}

.page-hero > * {
  width: min(980px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.page-hero h1 {
  margin-top: 0;
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 8vw, 6.6rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.page-hero p:last-child {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  line-height: 1.48;
}

.examples-hero {
  padding-top: 72px;
  padding-bottom: 56px;
}

.examples-hero h1 {
  max-width: 860px;
  margin-bottom: 18px;
  font-size: 4.25rem;
  line-height: 1.03;
}

.examples-hero p:last-child {
  max-width: 720px;
  font-size: 1.16rem;
}

.content-section {
  width: min(980px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(46px, 7vw, 78px) 0;
  border-bottom: 1px solid var(--line);
}

.content-section:last-child {
  border-bottom: 0;
}

.content-section h2 {
  margin: 0 0 18px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
}

.content-section p {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.68;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.94em;
}

pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 18px;
  color: var(--white);
  background: var(--night);
  border-radius: 8px;
}

.motion-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.motion-card {
  display: grid;
  gap: 0;
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.motion-card img {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  background: var(--night);
}

.motion-card-wide img {
  aspect-ratio: 16 / 9;
}

.landscape-demo-video {
  display: block;
  width: 100%;
  margin: 24px 0;
  aspect-ratio: 16 / 9;
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.motion-card figcaption {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.motion-card strong {
  font-size: 1rem;
}

.motion-card pre {
  margin: 0;
  padding: 14px;
  font-size: 0.78rem;
  line-height: 1.45;
}

.definition-list {
  display: grid;
  gap: 1px;
  margin: 26px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.definition-list div {
  display: grid;
  grid-template-columns: minmax(170px, 0.32fr) 1fr;
  gap: 18px;
  padding: 22px;
  background: var(--white);
}

.definition-list dt {
  font-weight: 900;
  overflow-wrap: anywhere;
}

.definition-list dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.56;
}

.plain-links {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.plain-links a {
  color: var(--moss);
  font-weight: 900;
  border-bottom: 2px solid currentColor;
}

.check-list,
.number-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding-left: 1.25rem;
  color: var(--muted);
  line-height: 1.62;
}

.check-list li::marker {
  color: var(--moss);
}

.number-list li::marker {
  color: var(--coral);
  font-weight: 900;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.resource-grid a {
  display: grid;
  gap: 10px;
  min-height: 132px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.resource-grid strong {
  font-size: 1.08rem;
}

.resource-grid span {
  color: var(--muted);
  line-height: 1.5;
}

.reference-table-wrap {
  max-width: 100%;
  margin: 24px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.reference-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--white);
}

.reference-table th,
.reference-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.reference-table tr:last-child td {
  border-bottom: 0;
}

.reference-table th {
  color: var(--moss-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #f1f4ee;
}

.reference-table td {
  color: var(--muted);
  line-height: 1.5;
}

.reference-table code {
  color: var(--ink);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.install-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.install-card h3 {
  margin: 0;
  font-size: 1.08rem;
}

.install-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.5;
}

.install-card pre {
  margin: 0;
  padding: 14px;
  font-size: 0.82rem;
  line-height: 1.45;
}

.example-detail {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.example-detail:first-child {
  padding-top: 0;
}

.example-detail:last-child {
  border-bottom: 0;
}

.example-detail a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-top: 10px;
  color: var(--moss);
  font-weight: 900;
  border-bottom: 2px solid currentColor;
}

.logo-hero {
  background:
    linear-gradient(120deg, rgba(215, 155, 54, 0.2), transparent 36%),
    linear-gradient(330deg, rgba(96, 191, 208, 0.2), transparent 40%),
    var(--night);
}

.logo-board {
  padding: clamp(56px, 8vw, 92px) clamp(18px, 4vw, 48px);
}

.logo-option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.single-logo-grid {
  grid-template-columns: minmax(0, 1fr);
  max-width: 920px;
}

.logo-option {
  display: grid;
  grid-template-columns: minmax(190px, 0.42fr) 1fr;
  gap: 22px;
  align-items: stretch;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.logo-option.recommended {
  border-color: rgba(215, 155, 54, 0.72);
  box-shadow: var(--shadow);
}

.logo-tile {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 14px;
  min-height: 260px;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(96, 191, 208, 0.08), transparent 34%),
    #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.logo-svg {
  width: min(150px, 70%);
  height: auto;
  overflow: visible;
}

.brand-asset-preview {
  width: min(320px, 100%);
  height: auto;
}

.logo-wordmark {
  color: var(--night);
  font-size: 1.85rem;
  font-weight: 900;
  line-height: 1;
}

.logo-option-copy {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 6px 4px;
}

.logo-option-copy h3 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.02;
}

.logo-option-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.route-badge {
  width: max-content;
  padding: 6px 9px;
  color: var(--night);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #f0e2bd;
  border-radius: 999px;
}

.logo-option-copy dl {
  display: grid;
  gap: 10px;
  margin: 8px 0 0;
}

.logo-option-copy dl div {
  display: grid;
  gap: 3px;
}

.logo-option-copy dt {
  color: var(--moss);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo-option-copy dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.logo-notes {
  padding-top: 0;
}

@media (max-width: 860px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
    max-width: 260px;
  }

  .hero {
    min-height: 700px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(17, 22, 17, 0.92), rgba(17, 22, 17, 0.58)),
      linear-gradient(0deg, rgba(17, 22, 17, 0.52), rgba(17, 22, 17, 0));
  }

  .hero-content {
    padding-top: 142px;
  }

  .examples-hero {
    padding-top: 144px;
  }

  .examples-hero h1 {
    font-size: 3rem;
  }

  .project-grid,
  .link-grid,
  .split-section,
  .motion-gallery,
  .package-grid,
  .resource-grid,
  .install-grid,
  .definition-list div,
  .logo-option-grid,
  .logo-option {
    grid-template-columns: 1fr;
  }

  .feature {
    min-height: auto;
  }

  .feature-index {
    margin-bottom: 24px;
  }

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

  .example a {
    width: 100%;
  }
}

@media (max-width: 540px) {
  .site-header {
    gap: 14px;
    min-height: 88px;
  }

  .brand {
    min-width: max-content;
  }

  .nav-links {
    gap: 9px 13px;
    font-size: 0.82rem;
  }

  .hero h1 {
    font-size: clamp(4rem, 24vw, 6rem);
  }

  .examples-hero {
    padding-top: 128px;
    padding-bottom: 44px;
  }

  .examples-hero h1 {
    font-size: 2.18rem;
    line-height: 1.08;
  }

  .examples-hero p:last-child {
    font-size: 1rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .composition-panel {
    padding: 12px;
  }

  .preview-frame {
    min-height: 340px;
  }

  .timeline-row {
    --label-width: 70px;
  }
}