:root {
  --ink: #f7fbff;
  --muted: #b5c2d0;
  --bg: #080c12;
  --panel: #111821;
  --line: rgba(176, 216, 255, 0.18);
  --green: #57ffa0;
  --blue: #2f63ff;
  --cyan: #25d6df;
  --pink: #c23183;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 70% -10%, rgba(37, 214, 223, 0.18), transparent 27rem),
    radial-gradient(circle at 12% 8%, rgba(87, 255, 160, 0.13), transparent 26rem),
    linear-gradient(180deg, #11161c 0%, #070a0f 55%, #05070b 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(14, 18, 23, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid rgba(37, 214, 223, 0.72);
  border-radius: 50%;
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
nav a,
.section-kicker,
.file-type,
figcaption {
  color: var(--muted);
  font-size: 0.86rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}

nav a {
  padding: 0.45rem 0.7rem;
  text-decoration: none;
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  min-height: calc(100svh - 5rem);
  padding: clamp(2rem, 6vw, 5.5rem) clamp(1rem, 4vw, 3rem) 3rem;
}

.page-hero {
  padding: clamp(2.5rem, 6vw, 5.5rem) clamp(1rem, 4vw, 3rem) clamp(1.5rem, 4vw, 3rem);
}

.page-hero.compact {
  padding-bottom: 1rem;
}

.eyebrow,
.section-kicker,
.file-type {
  margin: 0 0 0.65rem;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1rem;
  font-size: clamp(3.5rem, 11vw, 8rem);
  line-height: 0.86;
}

h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(2rem, 4.4vw, 4rem);
  line-height: 1;
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1.25rem;
}

.hero-text {
  max-width: 42rem;
  color: #d7e4ee;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
}

.hero-actions,
.split-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 0.45rem;
  padding: 0.75rem 1rem;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #ffffff;
  box-shadow: 0 0 22px rgba(47, 99, 255, 0.38);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(17, 24, 33, 0.72);
}

.hero-media {
  position: relative;
  margin: 0;
}

.hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(87, 255, 160, 0.25);
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
}

figcaption {
  margin-top: 0.75rem;
}

.intro-band,
.downloads,
.showcase,
.backgrounds,
.install,
.feature-grid {
  padding: clamp(2rem, 5vw, 5rem) clamp(1rem, 4vw, 3rem);
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(14rem, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(37, 214, 223, 0.08), rgba(47, 99, 255, 0.06));
}

.intro-band p:last-child {
  max-width: 58rem;
  color: #d7e4ee;
  font-size: 1.08rem;
}

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

.feature-grid article,
.download-card {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(17, 24, 33, 0.82);
}

.feature-grid article {
  padding: 1.35rem;
}

.feature-icon {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--green);
  font-weight: 900;
}

.feature-grid p,
.download-card p,
.steps,
.layout-card p,
.feature-list,
.file-note {
  color: var(--muted);
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 1.25rem;
}

.download-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.single-download {
  grid-template-columns: 1fr;
}

.download-card {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem;
}

.asset-panel {
  max-width: 62rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1.25rem;
  background: rgba(17, 24, 33, 0.82);
}

.asset-panel p {
  color: var(--muted);
}

.asset-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.primary-card {
  background:
    linear-gradient(110deg, rgba(37, 214, 223, 0.18), rgba(47, 99, 255, 0.16), rgba(87, 255, 160, 0.08)),
    var(--panel);
}

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

.showcase-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(17, 24, 33, 0.82);
  overflow: hidden;
}

.showcase-card.wide {
  grid-column: span 2;
}

.showcase-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.showcase-card figcaption {
  margin: 0;
  padding: 0.85rem 1rem 1rem;
  color: #d7e4ee;
}

.layout-catalog,
.admin-panel {
  padding: clamp(1rem, 4vw, 3rem);
}

.layout-catalog {
  display: grid;
  gap: 1.25rem;
}

.layout-card {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(17, 24, 33, 0.82);
  overflow: hidden;
}

.layout-card > img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.layout-card-body {
  padding: 1.25rem;
}

.layout-card-body h2 {
  font-size: clamp(1.7rem, 3vw, 2.7rem);
}

.feature-list {
  display: grid;
  gap: 0.45rem;
  margin: 1rem 0;
  padding-left: 1.2rem;
}

.file-note {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
}

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

.layout-gallery figure {
  margin: 0;
  background: #080c12;
}

.layout-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.layout-gallery figcaption {
  margin: 0;
  padding: 0.6rem 0.7rem;
}

.admin-panel {
  padding-top: 1rem;
}

.upload-form,
.admin-list {
  display: grid;
  max-width: 64rem;
  gap: 1rem;
}

.upload-form {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1.25rem;
  background: rgba(17, 24, 33, 0.82);
}

.upload-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 800;
}

.upload-form input,
.upload-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  padding: 0.75rem 0.85rem;
  background: rgba(8, 12, 18, 0.92);
  color: var(--ink);
  font: inherit;
}

.notice {
  max-width: 64rem;
  margin-bottom: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  padding: 0.85rem 1rem;
  background: rgba(37, 214, 223, 0.1);
  color: var(--ink);
}

.notice.error {
  border-color: rgba(194, 49, 131, 0.55);
  background: rgba(194, 49, 131, 0.14);
}

.notice.success {
  border-color: rgba(87, 255, 160, 0.45);
  background: rgba(87, 255, 160, 0.12);
}

.admin-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1rem;
  background: rgba(17, 24, 33, 0.82);
}

.admin-item span,
.admin-item small {
  display: block;
  color: var(--muted);
}

.admin-item small {
  margin-top: 0.25rem;
  overflow-wrap: anywhere;
}

.button.danger {
  border-color: rgba(194, 49, 131, 0.6);
  background: rgba(194, 49, 131, 0.18);
  color: #ffddeb;
}

.file-type {
  color: var(--cyan);
}

code {
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  padding: 0.1rem 0.28rem;
  background: rgba(37, 214, 223, 0.1);
  color: var(--ink);
  font-size: 0.95em;
}

.steps {
  display: grid;
  max-width: 62rem;
  gap: 0.8rem;
  padding-left: 1.35rem;
  font-size: 1.05rem;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .site-header,
  .intro-band,
  .hero {
    display: block;
  }

  nav {
    margin-top: 0.8rem;
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    margin-top: 2rem;
  }

  .feature-grid,
  .showcase-grid,
  .layout-gallery,
  .download-list {
    grid-template-columns: 1fr;
  }

  .showcase-card.wide,
  .primary-card {
    grid-column: auto;
  }

  .download-card {
    display: block;
  }

  .layout-card > img {
    aspect-ratio: 16 / 10;
  }

  .admin-item {
    display: block;
  }

  .admin-item form {
    margin-top: 1rem;
  }

  .download-card .button,
  .split-actions {
    margin-top: 1rem;
  }
}