/* Utopia Skills — site chrome on utopia-default tokens */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-weight: var(--font-weight-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body, 1.5);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--utopia-red-60);
}

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

.wrap {
  width: min(1120px, calc(100% - 2 * var(--brand-panel-gutter)));
  margin-inline: auto;
}

.eyebrow {
  margin: 0;
  font-size: var(--font-size-eyebrow);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--brand-label-tracking);
  text-transform: uppercase;
  color: var(--foreground-muted);
}

.display {
  margin: 0;
  font-size: var(--brand-display-size);
  font-weight: var(--font-weight-strong);
  line-height: var(--brand-display-leading);
  letter-spacing: var(--brand-display-tracking);
  text-transform: uppercase;
}

.lede {
  margin: 0;
  max-width: 36rem;
  font-size: var(--font-size-body-lg);
  font-weight: var(--font-weight-regular);
  color: var(--foreground-muted);
  line-height: 1.45;
}

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--brand-rule-light);
}

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--background) 88%, transparent);
  border-bottom: 1px solid var(--brand-rule-light);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 64px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.brand__name {
  font-size: 14px;
  font-weight: var(--font-weight-strong);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand__sub {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--foreground-subtle);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--foreground-muted);
}

.nav-links a:hover {
  color: var(--foreground);
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--button-height);
  padding: 0 var(--button-padding-inline);
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-family: inherit;
  font-size: var(--button-font-size);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--motion-duration-press) var(--motion-ease-standard),
    background-color var(--duration-medium) var(--ease-standard),
    border-color var(--duration-medium) var(--ease-standard),
    color var(--duration-medium) var(--ease-standard);
}

.btn:active {
  transform: scale(var(--motion-press-scale));
}

.btn--primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.btn--primary:hover {
  background: var(--primary-hover);
  color: var(--primary-foreground);
}

.btn--ghost {
  background: transparent;
  color: var(--foreground);
  border-color: var(--border);
}

.btn--ghost:hover {
  background: var(--ghost-hover);
  color: var(--foreground);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Hero — one composition, brand first, full-bleed */
.hero {
  position: relative;
  isolation: isolate;
  min-height: min(92vh, 900px);
  display: flex;
  align-items: flex-end;
  padding-block: clamp(5rem, 12vh, 8rem) clamp(3rem, 8vh, 5rem);
  overflow: hidden;
}

.hero__atmosphere {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 85% 10%, rgb(184 71 44 / 28%), transparent 55%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgb(255 255 255 / 5%), transparent 50%),
    linear-gradient(180deg, #2a2225 0%, var(--utopia-special-black) 48%, #241e20 100%);
}

.hero__atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--brand-rule-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--brand-rule-light) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.22;
  mask-image: linear-gradient(180deg, rgb(0 0 0 / 55%), transparent 85%);
}

.hero__content {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  max-width: 48rem;
}

.hero__brand {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: var(--font-weight-strong);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--utopia-red-60);
}

.hero .display {
  animation: reveal-up var(--motion-duration-reveal) var(--motion-ease-emphasized) both;
}

.hero .lede {
  animation: reveal-up var(--motion-duration-reveal) var(--motion-ease-emphasized) 80ms both;
}

.hero .btn-row {
  animation: reveal-up var(--motion-duration-reveal) var(--motion-ease-emphasized) 140ms both;
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(var(--motion-distance-reveal));
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero .display,
  .hero .lede,
  .hero .btn-row {
    animation: none;
  }
}

/* Sections */
.section {
  padding-block: var(--brand-section-space);
}

.section__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  max-width: 40rem;
}

.section__title {
  margin: 0;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: var(--font-weight-strong);
  letter-spacing: var(--tracking-heading);
  text-transform: uppercase;
  line-height: 1.05;
}

.section--inverse {
  background: var(--utopia-light-grey);
  color: var(--utopia-special-black);
}

.section--inverse .eyebrow,
.section--inverse .lede,
.section--inverse .muted {
  color: var(--utopia-black-80);
}

.section--inverse .rule {
  background: var(--brand-rule-dark);
}

/* Modules */
.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--border);
}

@media (max-width: 800px) {
  .module-grid {
    grid-template-columns: 1fr;
  }
}

.module {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  transition: background-color var(--duration-medium) var(--ease-standard);
}

.module:nth-child(2n) {
  border-right: 0;
}

.module:nth-last-child(-n + 2) {
  border-bottom: 0;
}

@media (max-width: 800px) {
  .module {
    border-right: 0;
  }
  .module:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }
  .module:last-child {
    border-bottom: 0;
  }
}

.module:hover {
  background: var(--surface-hover);
}

.module__count {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--utopia-red-60);
}

.module__name {
  margin: 0 0 8px;
  font-size: 1.25rem;
  font-weight: var(--font-weight-strong);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.module__desc {
  margin: 0 0 16px;
  color: var(--foreground-muted);
  font-size: 15px;
}

.module code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--foreground);
  background: var(--surface-strong);
  padding: 4px 8px;
  border: 1px solid var(--border);
}

/* Flagship skills */
.skill-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}

.skill {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr) auto;
  gap: 16px 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 800px) {
  .skill {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.skill__name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.02em;
}

.skill__why {
  margin: 0;
  color: var(--foreground-muted);
  font-size: 15px;
}

.skill__cmd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--utopia-red-60);
  white-space: nowrap;
}

@media (max-width: 800px) {
  .skill__cmd {
    white-space: normal;
    word-break: break-all;
  }
}

/* Install */
.install-panel {
  display: grid;
  gap: 20px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--brand-rule-dark);
  background: var(--utopia-white);
  color: var(--utopia-special-black);
}

.install-panel pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  background: var(--utopia-special-black);
  color: var(--utopia-light-grey);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  border: 0;
}

.install-panel .muted {
  margin: 0;
  color: var(--utopia-black-80);
  font-size: 14px;
}

/* Contribute */
.prompt-box {
  display: grid;
  gap: 16px;
}

.prompt-box textarea {
  width: 100%;
  min-height: 220px;
  padding: 16px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--foreground);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
}

.prompt-box textarea:focus {
  outline: var(--focus-ring-width) solid var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* Footer */
.site-footer {
  padding-block: 48px 64px;
  border-top: 1px solid var(--brand-rule-light);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.site-footer p {
  margin: 0;
  font-size: 13px;
  color: var(--foreground-subtle);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.muted {
  color: var(--foreground-muted);
}