/* ==========================================================================
   Gstore landing page
   One accent, pulled from the blue in the app icon. The blue to green
   gradient belongs to the artwork and appears only on the pooled bar. Radius system: panels 12px, controls 9px, inline 5px.
   Light and dark are the same design with swapped tokens, never inverted
   section by section.
   ========================================================================== */

:root {
  color-scheme: light dark;

  --bg:        #f6f7f8;
  --bg-2:      #edf0f2;
  --surface:   #ffffff;

  --ink:       #0f1620;
  --ink-2:     #4c5a67;
  --ink-3:     #5f6b78;

  --line:      #dde3e8;
  --line-2:    #c8d1d9;

  --accent:      #0a66c9;
  --accent-ink:  #ffffff;
  --accent-wash: #e9f1fd;
  --accent-line: #b6d0f6;
  --accent-soft: #dbe7f9;
  --accent-hover: #084f9e;

  /* sampled from the app icon: deep blue, cyan, green. Used for the pooled
     bar only, so the accent above stays the single interface color. */
  --grad-a: #0a6fe8;
  --grad-m: #0bb8d8;
  --grad-b: #2fc98f;

  --nav-bg: rgba(246, 247, 248, 0.88);

  --r-panel: 12px;
  --r-ctl: 9px;
  --r-inline: 5px;

  --wrap: 1140px;
  --gutter: 20px;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI",
          Roboto, system-ui, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", "Cascadia Mono", Menlo,
          Consolas, "Liberation Mono", monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0e1319;
    --bg-2:      #121a22;
    --surface:   #151d26;

    --ink:       #e8eef4;
    --ink-2:     #a7b4c0;
    --ink-3:     #8793a0;

    --line:      #232e39;
    --line-2:    #2f3c4a;

    --accent:      #5aa2ff;
    --accent-ink:  #06101c;
    --accent-wash: #11202f;
    --accent-line: #2a4a73;
    --accent-soft: #1d2d3f;
    --accent-hover: #7cb5ff;

    --nav-bg: rgba(14, 19, 25, 0.88);
  }
}

/* --------------------------------------------------------------- base ---- */

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

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 640;
  letter-spacing: -0.021em;
  line-height: 1.08;
  text-wrap: balance;
}

h1 { font-size: clamp(2.05rem, 1.3rem + 2.6vw, 2.85rem); }
h2 { font-size: clamp(1.5rem, 1.12rem + 1.5vw, 2.1rem); }

h3 {
  font-size: 1.0625rem;
  font-weight: 650;
  letter-spacing: -0.012em;
  line-height: 1.35;
}

p { margin: 0; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-inline);
  padding: 0.08em 0.34em;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

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

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 20;
}
.skip:focus {
  left: 12px;
  top: 12px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line-2);
  border-radius: var(--r-ctl);
  padding: 10px 14px;
}

/* ------------------------------------------------------------ controls ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font: inherit;
  font-weight: 560;
  line-height: 1;
  padding: 13px 20px;
  border-radius: var(--r-ctl);
  border: 1px solid transparent;
  text-decoration: none;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease),
              color 0.18s var(--ease);
}

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

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn--ghost:hover { border-color: var(--ink-3); background: var(--bg-2); }

.btn:active { transform: translateY(1px); }

.btn--sm { padding: 8px 13px; font-size: 0.875rem; }

/* ----------------------------------------------------------------- nav ---- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
}

.nav__in {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0 var(--gutter);
  height: 62px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand { display: inline-flex; align-items: center; gap: 9px; }
/* the artwork carries its own corner radius and shading: no mask, no shadow */
.mark { display: block; width: 26px; height: 26px; }
.brand__name { font-weight: 640; letter-spacing: -0.015em; }

.nav__links {
  display: none;
  margin-left: auto;
  gap: 22px;
  font-size: 0.9375rem;
}
.nav__links a {
  color: var(--ink-2);
  text-decoration: none;
}
.nav__links a:hover { color: var(--ink); }

.nav__in > .btn { margin-left: auto; }

@media (min-width: 820px) {
  .nav__links { display: flex; }
  .nav__in > .btn { margin-left: 0; }
}

/* --------------------------------------------------------------- hero ---- */

.hero { padding-block: clamp(40px, 5vw, 72px) clamp(32px, 4vw, 56px); }

.hero__in {
  display: grid;
  gap: clamp(36px, 5vw, 58px);
}

.hero__copy { max-width: 36ch; }

.hero__logo {
  display: block;
  width: 72px;
  height: auto;
  margin-bottom: 20px;
}

@media (min-width: 600px) {
  .hero__logo { width: 96px; margin-bottom: 24px; }
}

.lede {
  margin-top: 18px;
  color: var(--ink-2);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.1875rem);
  max-width: 48ch;
}

.cta {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 900px) {
  .hero__in {
    grid-template-columns: 1.04fr 0.96fr;
    align-items: center;
  }
  .hero__copy { max-width: none; }
}

/* ------------------------------------------------- hero storage figure ---- */

.pool {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  padding: clamp(20px, 3vw, 28px);
}

.pool__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding-bottom: 20px;
}

.pool__total {
  font-family: var(--mono);
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.pool__num {
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.pool__label { color: var(--ink-3); font-size: 0.875rem; }

.pool__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.prow {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 7px 12px;
}
.prow__name { font-size: 0.9375rem; color: var(--ink-2); }
.prow__val {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.track {
  grid-column: 1 / -1;
  display: block;
  height: 7px;
  border-radius: 99px;
  background: var(--accent-soft);
}
.track__fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--accent);
}

.prow--sum {
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.prow--sum .prow__name { color: var(--ink); font-weight: 560; }
.prow--sum .prow__val { color: var(--ink); }
.prow--sum .track { height: 10px; }
/* the pooled bar carries the icon's gradient: the accounts above it combine */
.prow--sum .track__fill {
  background: linear-gradient(90deg, var(--grad-a), var(--grad-m) 52%, var(--grad-b));
}

.pool__cap {
  margin-top: 20px;
  color: var(--ink-3);
  font-size: 0.8125rem;
  line-height: 1.5;
}

/* -------------------------------------------------------- how it works ---- */

.how { padding-block: clamp(48px, 5.5vw, 76px); }

.steps {
  list-style: none;
  margin: 34px 0 0;
  padding: 26px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 30px;
}

.step__n {
  display: block;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--accent);
  margin-bottom: 10px;
}
.step p {
  margin-top: 8px;
  color: var(--ink-2);
  max-width: 42ch;
}

@media (min-width: 840px) {
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 40px;
  }
}

/* ----------------------------------------------------------- downloads ---- */

.dl { padding-block: clamp(48px, 5.5vw, 76px); }

.dl__meta {
  margin-top: 16px;
  color: var(--ink-2);
  max-width: 58ch;
}

/* Filled in by the counter script; hidden until GitHub answers. */
.dl__count {
  margin-top: 18px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 8px;
}
.dl__count[hidden] { display: none; }

.dl__count-num {
  font-family: var(--mono);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.dl__count-label { color: var(--ink-3); font-size: 0.875rem; }

.platforms {
  margin-top: 34px;
  display: grid;
  gap: 16px;
  align-items: start;
}

.platform {
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid transparent;
  border-radius: var(--r-panel);
  background: var(--bg-2);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.platform h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.platform__note {
  margin-top: 10px;
  color: var(--ink-2);
  font-size: 0.9375rem;
  max-width: 44ch;
}

.detected {
  display: none;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--accent);
}

.platforms[data-os="macos"] .platform--macos,
.platforms[data-os="linux"] .platform--linux,
.platforms[data-os="windows"] .platform--windows {
  background: var(--accent-wash);
  border-color: var(--accent-line);
}
.platforms[data-os="macos"] .platform--macos .detected,
.platforms[data-os="linux"] .platform--linux .detected,
.platforms[data-os="windows"] .platform--windows .detected {
  display: inline;
}

.assets {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

/* narrow screens stack the label over the file note, so every button is the
   same height instead of one of them wrapping and the others not */
.asset {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 13px 15px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-ctl);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.asset:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.asset:active { transform: translateY(1px); }
.asset__name {
  font-weight: 580;
  font-size: 0.9375rem;
}
.asset__hint { color: var(--ink-3); font-size: 0.8125rem; }

@media (min-width: 560px) {
  .asset {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 4px 16px;
  }
}

.dl__fine {
  margin-top: 22px;
  color: var(--ink-3);
  font-size: 0.875rem;
  max-width: 68ch;
}

@media (min-width: 840px) {
  .platforms { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
}

/* -------------------------------------------------------- first launch ---- */

.fl {
  padding-block: clamp(48px, 5.5vw, 76px);
  background: var(--bg-2);
  border-block: 1px solid var(--line);
}

.fl__lede {
  margin-top: 18px;
  color: var(--ink-2);
  max-width: 68ch;
}

.fl__cols {
  margin-top: 38px;
  display: grid;
  gap: 34px;
}

.fl__col h3 { padding-bottom: 14px; border-bottom: 1px solid var(--line-2); }

ol.plain {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: s;
  display: grid;
  gap: 13px;
  max-width: 54ch;
}
/* hanging numeral: the list item stays a block so inline code and strong
   inside a step keep flowing with the sentence */
ol.plain > li {
  counter-increment: s;
  position: relative;
  padding-left: 1.9rem;
  color: var(--ink-2);
}
ol.plain > li::before {
  content: counter(s);
  position: absolute;
  left: 0;
  top: 0.24em;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--ink-3);
}
ol.plain strong { color: var(--ink); font-weight: 600; }

.aside {
  margin-top: 18px;
  padding-left: 14px;
  border-left: 2px solid var(--accent-line);
  color: var(--ink-3);
  font-size: 0.875rem;
  max-width: 52ch;
}

@media (min-width: 840px) {
  .fl__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
}

/* -------------------------------------------------------------- trust ---- */

.tr { padding-block: clamp(48px, 5.5vw, 76px); }

.tr h2 { max-width: 24ch; }

.tr__lede {
  margin-top: 20px;
  color: var(--ink-2);
  font-size: clamp(1rem, 0.96rem + 0.3vw, 1.125rem);
  max-width: 64ch;
}

.facts {
  margin-top: 44px;
  display: grid;
  gap: 32px;
}
.fact p {
  margin-top: 9px;
  color: var(--ink-2);
  font-size: 0.9375rem;
  max-width: 50ch;
}

@media (min-width: 840px) {
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 44px 56px; }
}

/* ------------------------------------------------------------- footer ---- */

.foot {
  border-top: 1px solid var(--line);
  padding-block: 40px 48px;
}

.foot__in { display: grid; gap: 18px; }

.foot__about { color: var(--ink-2); font-size: 0.9375rem; max-width: 46ch; }
.foot__about strong { color: var(--ink); font-weight: 640; }

.foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 0.9375rem;
}

.foot__fine { color: var(--ink-3); font-size: 0.8125rem; }

@media (min-width: 840px) {
  .foot__in {
    grid-template-columns: 1fr auto;
    align-items: start;
    column-gap: 40px;
  }
  .foot__links { justify-content: flex-end; }
  .foot__fine { grid-column: 1 / -1; }
}

/* ---------------------------------------------------- scroll + motion ---- */

#how, #download, #first-launch, #privacy { scroll-margin-top: 78px; }

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}