/* ==========================================================================
   Kepler — a browser for people who read the source
   Monochrome space theme. Black, white, and the hairlines in between.
   ========================================================================== */

:root {
  --void:        #000000;
  --void-2:      #060608;
  --panel:       #0b0b0e;
  --panel-2:     #101014;
  --ink:         #ffffff;
  --ink-dim:     #b6b6bd;
  --ink-mute:    #75757f;
  --ink-faint:   #46464e;
  --line:        rgba(255, 255, 255, 0.10);
  --line-soft:   rgba(255, 255, 255, 0.055);
  --line-strong: rgba(255, 255, 255, 0.24);
  --glow:        rgba(255, 255, 255, 0.55);

  --sans: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --max: 1180px;
  --gutter: clamp(20px, 5vw, 48px);
  --radius: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s var(--ease), opacity 0.2s var(--ease);
}

::selection {
  background: var(--ink);
  color: var(--void);
}

/* Starfield sits behind everything, fixed so it drifts as you scroll ------- */
#starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page {
  position: relative;
  z-index: 1;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Typography ---------------------------------------------------- */

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

h1 { font-size: clamp(2.65rem, 7vw, 4.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.85rem); }
h3 { font-size: 1.16rem; letter-spacing: -0.02em; line-height: 1.3; }

p { margin: 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--line-strong);
}

.lede {
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  color: var(--ink-dim);
  line-height: 1.6;
  max-width: 56ch;
}

.mono { font-family: var(--mono); }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--ink);
}

/* ---------- Header -------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}

.site-header.is-stuck {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
  flex-shrink: 0;
}

.brand img {
  width: 38px;
  height: auto;
  filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.28));
}

.brand-name {
  font-size: 1.12rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.brand-name sup {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  margin-left: 6px;
  vertical-align: super;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--ink-dim);
  position: relative;
  padding-block: 4px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav-links a[aria-current="page"] { color: var(--ink); }

/* The generic nav link colour must not win over a button sitting in the nav. */
.nav-links a.btn { color: var(--ink); }
.nav-links a.btn-solid,
.nav-links a.btn-solid[aria-current="page"] { color: var(--void); }
.nav-links a.btn::after { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 40px;
  height: 36px;
  cursor: pointer;
  padding: 0;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 50%;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  transform: translateX(-50%);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle span { top: 50%; margin-top: -0.75px; }
.nav-toggle span::before { content: ""; top: -5px; left: 0; transform: none; }
.nav-toggle span::after  { content: ""; top: 5px;  left: 0; transform: none; }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Buttons ------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
              border-color 0.25s var(--ease), transform 0.25s var(--ease),
              box-shadow 0.3s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
}

.btn-solid {
  background: var(--ink);
  color: var(--void);
  border-color: var(--ink);
  box-shadow: 0 0 0 rgba(255, 255, 255, 0);
}

.btn-solid:hover {
  background: var(--ink);
  color: var(--void);
  box-shadow: 0 8px 34px rgba(255, 255, 255, 0.22);
}

.btn-sm { padding: 9px 17px; font-size: 0.84rem; }

.btn[disabled],
.btn.is-locked {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-arrow {
  transition: transform 0.25s var(--ease);
}
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- Hero ---------------------------------------------------------- */

.hero {
  position: relative;
  padding-top: clamp(64px, 11vh, 120px);
  padding-bottom: clamp(70px, 12vh, 130px);
  overflow: hidden;
}

.hero::after {
  /* faint horizon glow under the planet */
  content: "";
  position: absolute;
  left: 50%;
  bottom: -46%;
  width: min(1100px, 130vw);
  aspect-ratio: 1;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.075) 0%, rgba(255, 255, 255, 0) 62%);
  pointer-events: none;
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}

.hero-copy > * + * { margin-top: 24px; }

.hero h1 .thin {
  color: var(--ink-mute);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  padding-top: 6px;
}

.hero-meta span { display: flex; align-items: center; gap: 7px; }

.dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 9px var(--glow);
}

/* Planet + orbits ---------------------------------------------------------- */

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 340px;
}

.orbit {
  position: absolute;
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
}

.orbit-1 { width: 108%; aspect-ratio: 1; animation: spin 46s linear infinite; }
.orbit-2 { width: 82%;  aspect-ratio: 1; border-color: var(--line); animation: spin 32s linear infinite reverse; }
.orbit-3 { width: 133%; aspect-ratio: 1; border-style: dashed; border-color: rgba(255,255,255,0.07); animation: spin 74s linear infinite; }

.orbit::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 12px var(--glow);
}
.orbit-3::after { width: 3px; height: 3px; opacity: 0.6; }

@keyframes spin { to { transform: rotate(360deg); } }

.hero-logo {
  position: relative;
  width: min(78%, 400px);
  animation: float 9s ease-in-out infinite;
  filter: drop-shadow(0 0 60px rgba(255, 255, 255, 0.22));
}

@keyframes float {
  0%, 100% { transform: translateY(-8px); }
  50%      { transform: translateY(10px); }
}

/* ---------- Terminal strip ------------------------------------------------ */

.terminal {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.83rem;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-mute);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.terminal-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: inline-block;
}
.terminal-bar i:first-of-type { background: rgba(255,255,255,0.35); }

.terminal-body {
  padding: 18px 18px 20px;
  color: var(--ink-dim);
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 132px;
}

.terminal-body .prompt { color: var(--ink); }
.terminal-body .ok     { color: var(--ink); }
.terminal-body .muted  { color: var(--ink-faint); }

.caret {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--ink);
  vertical-align: text-bottom;
  animation: blink 1.1s steps(2, start) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections ------------------------------------------------------ */

.section {
  padding-block: clamp(64px, 10vw, 118px);
  border-top: 1px solid var(--line-soft);
}

.section-head {
  max-width: 68ch;
  margin-bottom: clamp(34px, 5vw, 56px);
}
.section-head > * + * { margin-top: 18px; }

/* Feature cards ------------------------------------------------------------ */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.card {
  position: relative;
  background: var(--void);
  padding: 30px 26px 32px;
  isolation: isolate;
  transition: background 0.35s var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,0.09), transparent 68%);
  transition: opacity 0.35s var(--ease);
}

.card:hover::before { opacity: 1; }

.card-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 20px;
}

.card-icon {
  width: 26px;
  height: 26px;
  margin-bottom: 16px;
  stroke: var(--ink);
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 { margin-bottom: 9px; }

.card p {
  color: var(--ink-mute);
  font-size: 0.93rem;
  line-height: 1.62;
}

/* Split feature rows ------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.split + .split { margin-top: clamp(50px, 7vw, 96px); }
.split.flip .split-media { order: -1; }

.split-copy > * + * { margin-top: 18px; }

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--ink-dim);
  font-size: 0.94rem;
}

.checklist li::before {
  content: "";
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--ink) 0 2.5px, transparent 2.6px);
}

/* Stats -------------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.stat {
  background: var(--void);
  padding: 30px 22px;
}

.stat b {
  display: block;
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* Code panel --------------------------------------------------------------- */

.code-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 22px 22px 24px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.85;
  color: var(--ink-dim);
  white-space: pre;
  overflow-x: auto;
}

.code-panel .kw  { color: var(--ink); }
.code-panel .cm  { color: var(--ink-faint); font-style: italic; }
.code-panel .str { color: var(--ink-dim); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }

.copy-row {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  padding: 11px 11px 11px 15px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-dim);
  overflow: hidden;
}

.copy-row code {
  flex: 1;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.copy-row code::-webkit-scrollbar { display: none; }

/* ---------- Download page ------------------------------------------------- */

.page-head {
  padding-top: clamp(50px, 8vw, 92px);
  padding-bottom: clamp(34px, 5vw, 56px);
}
.page-head > * + * { margin-top: 20px; }

.notice {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--ink-dim);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.022);
}

.notice svg { flex: none; width: 18px; height: 18px; stroke: var(--ink); fill: none; stroke-width: 1.4; margin-top: 2px; }
.notice b { color: var(--ink); font-weight: 500; }

.primary-dl {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(760px circle at 78% -30%, rgba(255,255,255,0.09), transparent 62%),
    var(--panel);
  padding: clamp(26px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: center;
}

.primary-dl h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.primary-dl p { color: var(--ink-mute); font-size: 0.93rem; margin-top: 10px; }

.primary-dl .stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

.build-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 16px;
}

.dl-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 24px 22px;
  background: var(--void-2);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}

.dl-card:hover {
  border-color: var(--line-strong);
  background: var(--panel);
  transform: translateY(-2px);
}

.dl-card header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dl-card header svg {
  width: 22px; height: 22px;
  stroke: var(--ink); fill: none;
  stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round;
}

.dl-card h3 { margin: 0; }

.dl-card .os-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
}

.dl-card .arch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.chip {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-dim);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--void); border-color: var(--ink); }

.dl-card.is-recommended {
  border-color: var(--line-strong);
  background: var(--panel);
}

.badge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px 9px;
  color: var(--ink);
}

/* Toast -------------------------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  translate: -50% 0;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100vw - 32px);
  padding: 13px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(10, 10, 12, 0.92);
  backdrop-filter: blur(12px);
  color: var(--ink);
  font-size: 0.87rem;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.toast.is-visible { opacity: 1; transform: translateY(0); }

/* Table -------------------------------------------------------------------- */

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

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

.table th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 400;
}

.table td { color: var(--ink-dim); }
.table td:first-child { color: var(--ink); font-family: var(--mono); font-size: 0.82rem; white-space: nowrap; }

.table-scroll { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: var(--radius); }

/* Docs layout -------------------------------------------------------------- */

.docs-layout {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: clamp(28px, 5vw, 62px);
  align-items: start;
}

.docs-nav {
  position: sticky;
  top: 96px;
  border-left: 1px solid var(--line-soft);
  padding-left: 18px;
  display: grid;
  gap: 11px;
}

.docs-nav a {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}
.docs-nav a:hover, .docs-nav a.is-active { color: var(--ink); }

.doc-block + .doc-block { margin-top: clamp(44px, 6vw, 74px); }
.doc-block > * + * { margin-top: 18px; }
.doc-block p { color: var(--ink-dim); max-width: 70ch; }

/* FAQ ---------------------------------------------------------------------- */

.faq { border-top: 1px solid var(--line-soft); }

.faq details {
  border-bottom: 1px solid var(--line-soft);
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 40px 22px 0;
  position: relative;
  font-size: 1.02rem;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  translate: 0 -50%;
  font-family: var(--mono);
  color: var(--ink-mute);
  font-size: 1.2rem;
  transition: transform 0.25s var(--ease), color 0.2s var(--ease);
}

.faq details[open] summary::after { transform: rotate(45deg); color: var(--ink); }
.faq summary:hover { color: var(--ink); }

.faq .answer {
  padding: 0 0 24px;
  color: var(--ink-mute);
  font-size: 0.94rem;
  max-width: 72ch;
}

/* CTA ---------------------------------------------------------------------- */

.cta {
  position: relative;
  text-align: center;
  padding-block: clamp(76px, 12vw, 140px);
  border-top: 1px solid var(--line-soft);
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -60%;
  width: min(900px, 120vw);
  aspect-ratio: 1;
  translate: -50% 0;
  background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 62%);
  pointer-events: none;
}

.cta > * { position: relative; }
.cta h2 { margin-bottom: 18px; }
.cta .lede { margin-inline: auto; }
.cta .hero-actions { justify-content: center; margin-top: 30px; }

/* Footer ------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line-soft);
  padding-block: 54px 34px;
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 34px;
}

.footer-brand p {
  color: var(--ink-mute);
  margin-top: 14px;
  max-width: 34ch;
  font-size: 0.86rem;
}

.footer-col h4 {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 14px;
  font-weight: 400;
}

.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-col a { color: var(--ink-dim); font-size: 0.87rem; }
.footer-col a:hover { color: var(--ink); }

.footer-bottom {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* ---------- Reveal on scroll --------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------------------------------------------------- */

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; min-height: 260px; }
  .hero-logo { width: min(62%, 300px); }
  .split, .primary-dl, .docs-layout { grid-template-columns: 1fr; }
  .split.flip .split-media { order: 0; }
  .primary-dl .stack { align-items: flex-start; }
  .docs-nav { position: static; display: flex; flex-wrap: wrap; gap: 16px; border-left: 0; border-top: 1px solid var(--line-soft); padding: 16px 0 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(0, 0, 0, 0.96);
    backdrop-filter: blur(16px);
    border-block: 1px solid var(--line);
    padding: 8px var(--gutter) 18px;
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--line-soft); }
  .nav-links li:last-child { border-bottom: 0; padding-top: 12px; }
  .nav-links a { display: block; padding: 14px 0; font-size: 0.98rem; }
  .nav-links a::after { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* Split artwork ------------------------------------------------------------ */

.split-art {
  margin: 0;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.07), transparent 62%),
    var(--panel);
  overflow: hidden;
}

.art-mask {
  width: min(78%, 320px);
  height: auto;
  filter: drop-shadow(0 0 24px rgba(255, 255, 255, 0.18));
}

.art-rocket {
  width: auto;
  height: min(380px, 70vw);
  filter: drop-shadow(0 0 18px rgba(255, 255, 255, 0.14));
  animation: rocket-hover 6s var(--ease) infinite alternate;
}

@keyframes rocket-hover {
  from { transform: translateY(6px); }
  to   { transform: translateY(-6px); }
}

/* Language picker ---------------------------------------------------------- */

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  font: inherit;
  font-size: 0.84rem;
  color: var(--ink-dim);
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23b6b6bd' stroke-width='1.2'/%3E%3C/svg%3E") no-repeat right 10px center,
    transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 28px 5px 12px;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.lang-select:hover,
.lang-select:focus-visible { color: var(--ink); border-color: var(--line-strong); outline: none; }
.lang-select option { background: var(--panel); color: var(--ink); }

@media (max-width: 720px) {
  .lang-item { padding: 12px 0; }
  .lang-select { font-size: 0.98rem; }
}

/* Donate link -------------------------------------------------------------- */

.brand { margin-right: 0; }

.donate {
  margin-right: auto;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 13px;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.donate:hover { color: var(--ink); border-color: var(--line-strong); }

/* Screenshots -------------------------------------------------------------- */

.shots {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  grid-template-areas:
    "side main"
    "side mid";
  gap: clamp(16px, 2.5vw, 28px);
  align-items: center;
}

.shot-side { grid-area: side; }
.shot-main { grid-area: main; }
.shot-mid  { grid-area: mid; }

.shot { margin: 0; }

.shot img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 30px 80px -30px rgba(255, 255, 255, 0.12);
}

.shot figcaption {
  margin-top: 12px;
  text-align: center;
  font-size: 0.86rem;
  color: var(--ink-mute);
}

@media (max-width: 720px) {
  .shots { grid-template-columns: 1fr; grid-template-areas: "side" "main" "mid"; }
  .shot-side { max-width: 420px; justify-self: center; }
}

/* Centered hero with product screenshot ------------------------------------ */

.hero-grid { grid-template-columns: 1fr; justify-items: center; text-align: center; }
.hero-copy { max-width: 760px; }
.hero-copy .eyebrow { justify-content: center; }
.hero .hero-actions,
.hero .hero-meta { justify-content: center; }