/* ============================================================
   thClaws.AI — landing page
   aesthetic: terminal-native cyberpunk
   ============================================================ */

:root {
  /* palette */
  --bg:           #08090d;
  --bg-1:         #0c0e14;
  --bg-2:         #11141c;
  --bg-3:         #181c26;
  --fg:           #ebe9e1;
  --fg-2:         #a4a59f;
  --fg-3:         #6b6c66;
  --fg-4:         #3e3f3a;
  --border:       #1d2029;
  --border-bright:#2a2e3a;
  --border-hot:   #3d4658;

  --cyan:         #6df2ff;
  --cyan-soft:    #a8f6ff;
  --cyan-deep:    #1aa6c2;
  --teal:         #2eb89c;
  --amber:        #ffb547;
  --red:          #ff5e5b;

  --glow:         0 0 24px rgba(109, 242, 255, .35);
  --glow-strong:  0 0 60px rgba(109, 242, 255, .55);

  /* type */
  --mono: 'JetBrains Mono', 'SF Mono', ui-monospace, 'Menlo', monospace;

  /* rhythm */
  --gutter: clamp(20px, 4vw, 56px);
  --section-pad: clamp(80px, 10vw, 160px);
}

/* ============================================================
   reset / base
   ============================================================ */

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

html {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  font-variant-ligatures: contextual;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(109,242,255, .07), transparent 60%),
    radial-gradient(800px 600px at -10% 30%, rgba(46,184,156, .05), transparent 65%),
    var(--bg);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; padding: 0; margin: 0; }
code, pre { font-family: var(--mono); }

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

.skip {
  position: absolute; top: -100px; left: 12px;
  padding: 8px 14px; background: var(--cyan); color: var(--bg);
  font-weight: 600; z-index: 999;
  transition: top .15s ease;
}
.skip:focus { top: 12px; }

.muted { color: var(--fg-3); }

/* ============================================================
   status bar
   ============================================================ */

.statusbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px var(--gutter);
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--fg-2);
  text-transform: lowercase;
}
.statusbar .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50%     { opacity: .35; }
}
.status-sep { color: var(--fg-4); }
.status-spacer { flex: 1; }
.status-item--muted { color: var(--fg-3); }

@media (max-width: 720px) {
  .statusbar .status-sep,
  .statusbar .status-item--muted { display: none; }
}

/* ============================================================
   nav
   ============================================================ */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px var(--gutter);
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 9, 13, .75);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--border);
}

/* hamburger toggle — only shown on small screens */
.nav__toggle {
  display: none;
  width: 36px;
  height: 36px;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--border-bright);
  transition: border-color .2s ease;
}
.nav__toggle:hover { border-color: var(--cyan); }
.nav__toggle-bar {
  width: 18px;
  height: 1.5px;
  background: var(--fg);
  transition: transform .25s cubic-bezier(.2,.7,.3,1), opacity .2s ease;
  transform-origin: center;
}
.nav[data-open="true"] .nav__toggle { border-color: var(--cyan); }
.nav[data-open="true"] .nav__toggle-bar { background: var(--cyan); }
.nav[data-open="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav[data-open="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav[data-open="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .02em;
}
.nav__mark {
  width: 30px; height: 30px;
  filter: drop-shadow(0 0 8px rgba(109,242,255,.4));
  transition: transform .3s cubic-bezier(.2,.7,.3,1.3);
}
.nav__brand:hover .nav__mark { transform: rotate(-12deg) scale(1.06); }
.nav__wordmark {
  font-size: 17px;
  letter-spacing: .03em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  font-size: 13px;
  color: var(--fg-2);
}
.nav__links a {
  position: relative;
  padding: 4px 0;
  transition: color .2s ease;
}
.nav__links a:hover { color: var(--cyan); }
.nav__links a::after {
  content: "";
  position: absolute;
  inset: auto 0 -2px 0;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav__links a:hover::after { transform: scaleX(1); }

@media (max-width: 700px) {
  .nav__toggle { display: flex; }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0;
    background: rgba(8, 9, 13, .98);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    border-bottom: 1px solid var(--border);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: transform .25s cubic-bezier(.2,.7,.3,1), opacity .2s ease, visibility 0s linear .25s;
  }
  .nav[data-open="true"] .nav__links {
    transform: none;
    opacity: 1;
    visibility: visible;
    transition: transform .25s cubic-bezier(.2,.7,.3,1), opacity .2s ease, visibility 0s;
  }
  .nav__links a {
    padding: 14px var(--gutter);
    font-size: 14px;
    border-top: 1px solid var(--border);
  }
  .nav__links a:first-child { border-top: none; }
  .nav__links a:hover {
    background: var(--bg-2);
    color: var(--cyan);
  }
  .nav__links a::after { display: none; }
}

/* ============================================================
   hero
   ============================================================ */

.hero {
  position: relative;
  padding: clamp(60px, 9vw, 130px) var(--gutter) var(--section-pad);
  overflow: hidden;
}
.hero__grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(109,242,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109,242,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
  max-width: 1320px;
  margin: 0 auto;
}
@media (max-width: 920px) {
  .hero__inner { grid-template-columns: 1fr; }
}

.hero__copy { animation: rise .9s .05s both cubic-bezier(.2,.7,.2,1); }
.hero__visual { animation: rise .9s .25s both cubic-bezier(.2,.7,.2,1); }
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

.hero__eyebrow {
  display: inline-flex; gap: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 22px;
}
.hero__eyebrow .bracket { color: var(--fg-4); font-weight: 300; }

.hero__title {
  margin: 0 0 28px;
  font-size: clamp(42px, 7.4vw, 104px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-feature-settings: 'ss01';
}
.hero__title-line { display: block; }
.hero__title-line--accent {
  background: linear-gradient(95deg, var(--cyan) 0%, var(--cyan-soft) 50%, var(--teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}
.hero__title-line--accent::after {
  content: "";
  display: inline-block;
  width: 0.42em;
  height: 0.85em;
  background: var(--cyan);
  vertical-align: -0.06em;
  margin-left: 0.12em;
  box-shadow: 0 0 18px var(--cyan);
  animation: blink 1.05s steps(2) infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

.hero__lede {
  max-width: 56ch;
  margin: 0 0 36px;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.65;
  color: var(--fg-2);
}
.hero__lede strong { color: var(--fg); font-weight: 600; }

.hero__ctas {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-bottom: 56px;
}

.hero__signals {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  max-width: 620px;
}
@media (max-width: 540px) {
  .hero__signals { grid-template-columns: repeat(2, 1fr); }
}
.signal {
  background: var(--bg-1);
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.signal__num {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.02em;
  line-height: 1;
}
.signal__label {
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* hero visual */
.hero__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.hero__logo-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  margin: 0 auto;
  width: 100%;
}
.hero__logo {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
  filter: drop-shadow(0 0 30px rgba(109,242,255,.25));
  animation: float 8s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-8px); }
}
.hero__logo-glow {
  position: absolute; inset: 12% 12%;
  background: radial-gradient(circle at 50% 50%, rgba(109,242,255,.35), transparent 60%);
  filter: blur(40px);
  z-index: 0;
  animation: glow 4s ease-in-out infinite;
}
@keyframes glow {
  0%,100% { opacity: .55; }
  50%     { opacity: .9; }
}
.hero__corner {
  position: absolute;
  font-size: 22px;
  color: var(--cyan-deep);
  z-index: 2;
}
.hero__corner--tl { top: 0; left: 0; }
.hero__corner--tr { top: 0; right: 0; }
.hero__corner--bl { bottom: 0; left: 0; }
.hero__corner--br { bottom: 0; right: 0; }

/* ============================================================
   buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: lowercase;
  border: 1px solid transparent;
  transition: all .25s cubic-bezier(.2,.7,.3,1);
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 0 1px var(--cyan), 0 8px 30px -10px rgba(109,242,255,.6);
}
.btn--primary:hover {
  background: var(--cyan-soft);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--cyan-soft), 0 14px 40px -10px rgba(109,242,255,.8);
}
.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-bright);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(109,242,255,.06);
}
.btn--lg {
  padding: 18px 30px;
  font-size: 14px;
}
.btn__arrow {
  display: inline-block;
  transition: transform .2s ease;
}
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--ghost:hover .btn__arrow { transform: translate(4px, -4px); }

/* ============================================================
   terminal mock
   ============================================================ */

.terminal {
  background: var(--bg-1);
  border: 1px solid var(--border-bright);
  border-radius: 6px;
  font-size: 12.5px;
  line-height: 1.7;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(109,242,255,.04),
    0 30px 60px -30px rgba(0,0,0,.7);
}
.terminal__chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.terminal__dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--border-bright);
}
.terminal__dot:nth-child(1) { background: #ff5e5b; }
.terminal__dot:nth-child(2) { background: #ffb547; }
.terminal__dot:nth-child(3) { background: #2eb89c; }
.terminal__title {
  margin-left: 12px;
  color: var(--fg-3);
  font-size: 11px;
  letter-spacing: .04em;
}
.terminal__body {
  padding: 16px 18px;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.012) 0 2px, transparent 2px 4px),
    var(--bg-1);
}
.terminal__body .line {
  white-space: pre-wrap;
  word-break: break-word;
}
.terminal__body .prompt {
  color: var(--cyan);
  margin-right: 8px;
  user-select: none;
}
.terminal__body .prompt--in { color: var(--teal); }
.terminal__body .arg { color: var(--amber); }
.terminal__body .str { color: var(--cyan-soft); }
.terminal__body .answer { color: var(--fg); }
.cursor {
  display: inline-block;
  background: var(--cyan);
  color: var(--bg);
  width: 0.6em; height: 1em;
  vertical-align: -.12em;
  animation: blink 1.05s steps(2) infinite;
  box-shadow: 0 0 6px var(--cyan);
}
.cursor--soft {
  background: transparent;
  color: var(--cyan);
  box-shadow: none;
  width: auto;
}

/* ============================================================
   section heads
   ============================================================ */

.section-head {
  max-width: 1320px;
  margin: 0 auto clamp(40px, 6vw, 80px);
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
}
@media (max-width: 700px) {
  .section-head { grid-template-columns: 1fr; gap: 14px; }
}
.section-head__index {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  text-transform: uppercase;
  padding-top: 8px;
  border-top: 1px solid var(--cyan);
  align-self: start;
}
.section-head__title {
  font-size: clamp(34px, 5.5vw, 64px);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 0.96;
  margin: 0;
  text-transform: lowercase;
}
.section-head__lede {
  grid-column: 2;
  max-width: 60ch;
  margin: 24px 0 0;
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.65;
}
@media (max-width: 700px) {
  .section-head__lede { grid-column: 1; }
}

/* ============================================================
   showcase carousel — colossal screenshots
   ============================================================ */

.showcase {
  padding: clamp(50px, 7vw, 100px) 0;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.showcase::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(900px 500px at 50% 0%, rgba(109,242,255,.08), transparent 60%);
  pointer-events: none;
}

.showcase__stage {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.showcase__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 1130;
  background: transparent;
  margin: 0 auto;
}

.slides {
  position: absolute;
  inset: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .9s cubic-bezier(.4,0,.2,1);
  pointer-events: none;
}
.slide.is-active {
  opacity: 1;
  pointer-events: auto;
}
.slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  /* PNGs already include macOS rounded corners + native shadow halo */
}

.showcase__corners { display: none; }

.showcase__caption {
  position: relative;
  margin-top: 22px;
  padding: 0 12px;
  display: grid;
  grid-template-areas: "stack";
  text-align: center;
  justify-content: center;
}
.cap {
  grid-area: stack;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .5s ease, transform .5s ease;
}
.cap.cap--active {
  opacity: 1;
  transform: none;
}
.cap__num {
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--cyan);
  font-weight: 700;
}
.cap__title {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  letter-spacing: -.02em;
  text-transform: lowercase;
}
.cap__desc {
  font-size: 13px;
  color: var(--fg-2);
  letter-spacing: .02em;
}

.showcase__controls {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 28px;
  justify-content: center;
}
.showcase__dots {
  display: flex;
  gap: 12px;
}
.dot {
  width: 36px;
  height: 4px;
  background: var(--border-bright);
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: background .25s ease;
}
.dot:hover { background: var(--fg-3); }
.dot.is-active {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(109,242,255,.6);
}

.showcase__progress {
  flex: 0 0 200px;
  height: 1px;
  background: var(--border);
  overflow: hidden;
  display: none;
}
.showcase__progress .bar {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--cyan);
}

@media (max-width: 720px) {
  .showcase__caption { padding: 14px 16px; }
  .cap { gap: 6px 14px; }
  .cap__desc { width: 100%; font-size: 12px; }
  .showcase__corners .cn { font-size: 18px; }
}

/* ============================================================
   surfaces (three interfaces)
   ============================================================ */

.surfaces {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}
.surfaces__grid {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
@media (max-width: 920px) { .surfaces__grid { grid-template-columns: 1fr; } }

.surface {
  background: var(--bg-1);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  transition: background .3s ease;
}
.surface:hover { background: var(--bg-2); }
.surface__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.surface__index {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
  text-transform: uppercase;
}
.surface__title {
  margin: 0;
  font-size: 22px;
  letter-spacing: -.02em;
  font-weight: 700;
}
.surface__cmd {
  font-size: 12px;
  color: var(--fg-3);
  margin-left: auto;
  background: var(--bg);
  padding: 4px 8px;
  border: 1px solid var(--border);
}
.surface__demo .terminal,
.surface__demo .window {
  border-radius: 4px;
}
.surface__copy {
  margin: 0;
  color: var(--fg-2);
  font-size: 13.5px;
  line-height: 1.65;
}

/* fake gui window */
.window {
  background: var(--bg-1);
  border: 1px solid var(--border-bright);
  font-size: 12px;
  overflow: hidden;
}
.window__chrome {
  display: flex; gap: 6px;
  padding: 8px 12px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.window__dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border-bright);
}
.window__dot:nth-child(1) { background: var(--red); }
.window__dot:nth-child(2) { background: var(--amber); }
.window__dot:nth-child(3) { background: var(--teal); }
.window__tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  padding: 0 8px;
}
.tab {
  padding: 8px 12px;
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: .04em;
  border-right: 1px solid var(--border);
  transition: color .2s ease;
}
.tab--active {
  color: var(--cyan);
  background: var(--bg-1);
  position: relative;
}
.tab--active::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 1px; background: var(--cyan);
}
.tab--icon { margin-left: auto; border-right: none; border-left: 1px solid var(--border); }
.window__body {
  padding: 14px;
  font-size: 12px;
  line-height: 1.7;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.012) 0 2px, transparent 2px 4px),
    var(--bg-1);
}
.window__body .line { white-space: pre-wrap; }
.window__body .prompt--in { color: var(--teal); margin-right: 8px; }
.window__body .answer { color: var(--fg); }

/* ============================================================
   features grid
   ============================================================ */

.features {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}
.features__grid {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
@media (max-width: 1020px) { .features__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .features__grid { grid-template-columns: 1fr; } }

.feat {
  background: var(--bg-1);
  padding: 28px 24px 32px;
  position: relative;
  transition: background .25s ease, color .25s ease;
}
.feat:hover {
  background: var(--bg-2);
}
.feat:hover .feat__num { color: var(--cyan); }
.feat__num {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--fg-4);
  margin-bottom: 10px;
  transition: color .25s ease;
}
.feat__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.feat p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-2);
}
.feat code {
  background: var(--bg-3);
  border: 1px solid var(--border-bright);
  padding: 0 4px;
  font-size: 11.5px;
  border-radius: 2px;
}

/* ============================================================
   install section
   ============================================================ */

.install {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}
.install__panel {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.install__tabs {
  display: flex;
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--bg-1);
  overflow: auto;
}
.install__tab {
  padding: 14px 22px;
  font-size: 13px;
  color: var(--fg-3);
  letter-spacing: .03em;
  border-right: 1px solid var(--border);
  transition: color .2s ease, background .2s ease;
  white-space: nowrap;
}
.install__tab:last-child { border-right: none; }
.install__tab:hover { color: var(--fg); background: var(--bg-2); }
.install__tab.is-active {
  color: var(--cyan);
  background: var(--bg-2);
  position: relative;
}
.install__tab.is-active::after {
  content: "";
  position: absolute; left: 0; right: 0; top: 0;
  height: 1px; background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.install__body {
  border: 1px solid var(--border);
  background: var(--bg-1);
}
.install__pane { display: none; padding: 24px; }
.install__pane.is-active { display: block; animation: fade .3s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.codeblock {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 12.5px;
}
.codeblock pre {
  margin: 0;
  padding: 18px 20px;
  overflow: auto;
  line-height: 1.65;
}
.codeblock code .comment { color: var(--fg-3); }
.codeblock__copy {
  position: absolute; top: 8px; right: 8px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--fg-3);
  background: var(--bg-2);
  border: 1px solid var(--border);
  transition: color .2s ease, border-color .2s ease;
}
.codeblock__copy:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}
.codeblock__copy.is-copied { color: var(--teal); border-color: var(--teal); }

.install__footnote {
  max-width: 1100px;
  margin: 22px auto 0;
  padding: 0 var(--gutter);
  font-size: 12.5px;
  color: var(--fg-3);
}
.install__footnote a {
  color: var(--cyan);
  border-bottom: 1px dashed var(--cyan-deep);
}
.install__footnote a:hover { color: var(--cyan-soft); }

/* ============================================================
   manifesto / commitments
   ============================================================ */

.manifesto {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
  position: relative;
}
.manifesto::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(800px 400px at 50% 0%, rgba(46,184,156,.06), transparent 70%);
  pointer-events: none;
}
.commitments {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.commit {
  background: var(--bg-1);
  padding: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(110px, 0.3fr) minmax(0, 1fr);
  column-gap: clamp(20px, 4vw, 56px);
  row-gap: 0;
  align-items: start;
  position: relative;
}
@media (max-width: 720px) {
  .commit { grid-template-columns: 1fr; row-gap: 10px; }
}
.commit__num {
  font-size: clamp(28px, 3vw, 42px);
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1;
  grid-row: 1 / span 2;
}
.commit h3 {
  margin: 0 0 14px;
  font-size: clamp(20px, 2.5vw, 28px);
  letter-spacing: -.02em;
  font-weight: 700;
  text-transform: lowercase;
  grid-column: 2;
}
.commit p {
  margin: 0;
  color: var(--fg-2);
  max-width: 64ch;
  line-height: 1.7;
  grid-column: 2;
}
@media (max-width: 720px) {
  .commit__num,
  .commit h3,
  .commit p { grid-column: 1; grid-row: auto; }
}
.commit code {
  background: var(--bg-3);
  border: 1px solid var(--border-bright);
  padding: 0 4px;
  font-size: 0.95em;
}

/* ============================================================
   end cta
   ============================================================ */

.endcta {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.endcta::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 300px at 50% 100%, rgba(109,242,255,.18), transparent 60%);
  pointer-events: none;
}
.endcta__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 820px) {
  .endcta__inner { grid-template-columns: 1fr; text-align: left; }
}
.endcta h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.4vw, 52px);
  letter-spacing: -.03em;
  font-weight: 800;
  line-height: 1.05;
  text-transform: lowercase;
}
.endcta p {
  margin: 0;
  color: var(--fg-2);
  max-width: 50ch;
}
.endcta__buttons {
  display: flex; flex-wrap: wrap; gap: 14px;
  justify-content: flex-end;
}
@media (max-width: 820px) {
  .endcta__buttons { justify-content: flex-start; }
}

/* ============================================================
   footer
   ============================================================ */

.foot {
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  padding: 60px var(--gutter) 26px;
  margin-top: 0;
}
.foot__top {
  max-width: 1320px;
  margin: 0 auto 36px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(30px, 5vw, 80px);
}
@media (max-width: 820px) {
  .foot__top { grid-template-columns: 1fr; }
}
.foot__brand {
  display: flex; align-items: center; gap: 16px;
}
.foot__brand img { filter: drop-shadow(0 0 12px rgba(109,242,255,.3)); }
.foot__wordmark {
  font-size: 20px; font-weight: 700; letter-spacing: .02em;
}
.foot__tagline {
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: .04em;
  margin-top: 2px;
}
.foot__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
@media (max-width: 540px) {
  .foot__cols { grid-template-columns: repeat(2, 1fr); }
}
.foot__col h4 {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--fg-4);
  font-weight: 600;
}
.foot__col a {
  display: block;
  font-size: 13px;
  color: var(--fg-2);
  padding: 4px 0;
  transition: color .2s ease, transform .2s ease;
}
.foot__col a:hover { color: var(--cyan); transform: translateX(3px); }

.foot__bottom {
  max-width: 1320px;
  margin: 0 auto;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: .03em;
}
.foot__sig { color: var(--cyan); }

/* ============================================================
   downloads page
   ============================================================ */

.dl-page {
  padding: clamp(60px, 9vw, 120px) var(--gutter);
}
.dl-hero {
  max-width: 1100px;
  margin: 0 auto clamp(40px, 6vw, 70px);
}
.dl-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(38px, 6vw, 76px);
  letter-spacing: -.04em;
  font-weight: 800;
  line-height: 0.95;
  text-transform: lowercase;
}
.dl-hero p {
  margin: 0;
  max-width: 60ch;
  color: var(--fg-2);
  font-size: 15px;
}
.dl-table {
  max-width: 1100px;
  margin: 0 auto;
  border: 1px solid var(--border);
  background: var(--bg-1);
  font-size: 13px;
}
.dl-row {
  display: grid;
  grid-template-columns: 1.2fr 0.6fr 0.5fr 1fr 0.5fr;
  gap: 14px;
  padding: 18px 22px;
  align-items: center;
  border-bottom: 1px solid var(--border);
  transition: background .2s ease;
}
.dl-row:last-child { border-bottom: none; }
.dl-row:hover { background: var(--bg-2); }
.dl-row--head {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-4);
  background: var(--bg);
}
.dl-row--head:hover { background: var(--bg); }
.dl-platform { display: flex; align-items: center; gap: 10px; }
.dl-platform .glyph {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  border: 1px solid var(--border-bright);
  font-size: 11px;
  color: var(--cyan);
  background: var(--bg);
}
.dl-arch { color: var(--fg-2); }
.dl-format { color: var(--fg-3); font-size: 12px; }
.dl-size  { color: var(--fg-3); font-size: 12px; }
.dl-action { display: flex; justify-content: flex-end; }
.dl-action a {
  padding: 6px 14px;
  border: 1px solid var(--border-bright);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--fg);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.dl-action a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(109,242,255,.06);
}

@media (max-width: 720px) {
  .dl-row {
    grid-template-columns: 1fr 1fr;
    gap: 8px 14px;
  }
  .dl-format, .dl-size { display: none; }
  .dl-row--head { display: none; }
  .dl-action { grid-column: 1 / -1; justify-content: flex-start; }
}

.dl-aside {
  max-width: 1100px;
  margin: 50px auto 0;
  padding: 26px 28px;
  border: 1px solid var(--border);
  background: var(--bg-1);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
@media (max-width: 720px) { .dl-aside { grid-template-columns: 1fr; } }
.dl-aside h3 {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
}
.dl-aside p {
  margin: 0;
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.6;
}
.dl-aside code {
  display: block;
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--fg);
}

/* ============================================================
   404 page
   ============================================================ */

.nf {
  min-height: 70vh;
  display: grid;
  place-items: center;
  padding: var(--gutter);
}
.nf__box {
  max-width: 540px;
  width: 100%;
}
.nf__head {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  margin-bottom: 14px;
}
.nf__title {
  font-size: clamp(54px, 10vw, 120px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  margin: 0 0 14px;
  background: linear-gradient(95deg, var(--cyan), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nf__lede {
  margin: 0 0 28px;
  color: var(--fg-2);
}
.nf__cmd {
  background: var(--bg-1);
  border: 1px solid var(--border);
  padding: 14px 18px;
  font-size: 13px;
  margin-bottom: 28px;
}

/* ============================================================
   reduced motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
}