/* SPDX-License-Identifier: GPL-3.0-or-later
   Copyright (C) 2026 The Axolotl Commander Authors

   The page is a column of two-pane sections, like the app icon: a lighter left pane and a darker
   right one, divided by a 1 px line (the page background showing through the grid gap). Below
   about 860 px the panes stack. */

:root {
  --pane-left: #102e3e;
  --pane-right: #0c2432;
  --hero-left-top: #1c5868;
  --hero-right-top: #164858;
  --footer-left: #0e2938;
  --footer-right: #0a202c;
  --divider: #081b25;
  --accent: #f696ac;
  --accent-hover: #ffb3c4;
  --link-hover: #ffc0ce;
  --on-accent: #0c2432;
  --text: #eaf2f3;
  --muted: #b8cdd2;
  --line: rgb(234 242 243 / 10%);
  --line-strong: rgb(234 242 243 / 22%);
  --key-bg: rgb(234 242 243 / 6%);

  --gutter: clamp(20px, 5vw, 64px);
  --column: 520px;
  --mono: ui-monospace, 'SF Mono', Menlo, monospace;

  color-scheme: dark;
}

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

html,
body {
  margin: 0;
  background: var(--pane-right);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

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

p,
h1,
h2,
h3 {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--link-hover);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

kbd {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  padding: 2px 7px;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--key-bg);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* Layout */

.page {
  position: relative;
  min-height: 100vh;
  background: var(--divider);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 1px;
}

.pane.left {
  background: var(--pane-left);
  padding: clamp(56px, 8vw, 104px) var(--gutter) clamp(16px, 4vw, 104px);
}

.pane.right {
  background: var(--pane-right);
  padding: clamp(24px, 8vw, 104px) var(--gutter) clamp(56px, 8vw, 104px);
}

.pane .inner {
  width: 100%;
  max-width: var(--column);
}

.pane.left .inner {
  margin-left: auto;
}

.pane.right .inner {
  margin-right: auto;
}

.inner.sticky {
  position: sticky;
  top: 40px;
}

h2 {
  font-size: clamp(28px, 3vw, 34px);
  line-height: 1.15;
  font-weight: 650;
  letter-spacing: -0.02em;
}

/* Header */

.topbar {
  position: absolute;
  inset: 0 0 auto;
  z-index: 2;
  max-width: calc(1040px + 4 * var(--gutter));
  margin: 0 auto;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.brand:hover {
  color: var(--text);
}

.brand img {
  margin: -3px;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.plain {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
}

.plain:hover {
  color: var(--accent);
}

.lang-switch {
  display: flex;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
}

.lang-switch a {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 5px 9px;
  border-radius: 5px;
  color: var(--muted);
  text-decoration: none;
}

.lang-switch a:hover {
  color: var(--text);
}

.lang-switch a[aria-current='page'] {
  background: var(--accent);
  color: var(--on-accent);
}

/* Hero */

.hero .pane {
  display: flex;
  align-items: center;
}

.hero .pane.left {
  background: linear-gradient(180deg, var(--hero-left-top) 0%, var(--pane-left) 75%);
  padding: clamp(112px, 14vw, 168px) var(--gutter) clamp(56px, 8vw, 104px);
}

.hero .pane.right {
  background: linear-gradient(180deg, var(--hero-right-top) 0%, var(--pane-right) 75%);
  padding: clamp(48px, 14vw, 168px) var(--gutter) clamp(56px, 8vw, 104px);
}

.hero-icon {
  margin: 0 0 20px -10px;
}

h1 {
  font-size: clamp(40px, 5.4vw, 60px);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.claim {
  margin-top: 20px;
  font-size: clamp(20px, 2.1vw, 24px);
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.sub {
  margin-top: 14px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  text-decoration: none;
  border-radius: 9px;
  transition: background-color 0.15s, border-color 0.15s;
}

.button.primary {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  padding: 13px 22px;
}

.button.primary:hover {
  background: var(--accent-hover);
  color: var(--on-accent);
}

.button.secondary {
  color: var(--text);
  font-weight: 500;
  padding: 12px 21px;
  border: 1px solid rgb(234 242 243 / 30%);
}

.button.secondary:hover {
  border-color: var(--accent);
  color: var(--text);
}

.note {
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.keys {
  width: 100%;
  max-width: 400px;
  border: 1px solid rgb(234 242 243 / 12%);
  border-radius: 12px;
  border-spacing: 0;
  background: rgb(4 16 22 / 28%);
  overflow: hidden;
}

.keys th {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
}

.keys td {
  padding: 9px 18px;
  font-size: 14px;
  color: var(--muted);
}

.keys th:last-child,
.keys td:last-child {
  text-align: right;
}

.keys kbd {
  display: inline-block;
  min-width: 28px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 13px;
  text-align: center;
}

.keys .current {
  background: rgb(246 150 172 / 14%);
}

.keys .current td {
  color: #fff;
}

.keys .current kbd {
  border-color: var(--accent);
}

/* Screenshot: the pane colours continue behind it, split by the divider line. */

.shot {
  background: linear-gradient(
    90deg,
    var(--pane-left) calc(50% - 0.5px),
    var(--divider) calc(50% - 0.5px) calc(50% + 0.5px),
    var(--pane-right) calc(50% + 0.5px)
  );
  padding: 0 clamp(8px, 3vw, 48px) clamp(32px, 6vw, 80px);
}

/* Stacked panes: the screenshot follows the darker pane the hero ends with. */
@media (max-width: 840px) {
  .shot {
    background: var(--pane-right);
  }
}

.shot picture {
  display: block;
  max-width: 1240px;
  margin: 0 auto;
}

.shot img {
  width: 100%;
  height: auto;
}

/* Rows (features, steps) */

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rows > li {
  border-top: 1px solid var(--line);
}

.features > li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  padding: 22px 0;
}

.features > li > div:first-child {
  min-width: 0;
}

.features h3 {
  font-size: 17px;
  line-height: 1.35;
  font-weight: 600;
}

.features p {
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
}

.feature-keys {
  display: flex;
  flex-shrink: 0;
  gap: 6px;
  padding-top: 1px;
}

/* Why */

.why {
  margin: 0;
}

.why p {
  font-size: 19px;
  line-height: 1.6;
}

.why footer {
  margin-top: 20px;
  font-size: 14px;
  color: var(--muted);
}

/* Built with AI */

.lead {
  margin-top: 18px;
  max-width: 400px;
  font-size: 19px;
  line-height: 1.45;
}

.body {
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted);
}

.body.bright {
  color: var(--text);
}

.steps {
  margin-top: 32px;
}

.steps > li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
}

.step-n {
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}

.steps strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
}

.steps p {
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
}

.warn {
  display: grid;
  gap: 6px;
  margin-top: 28px;
  padding: 18px 20px;
  border: 1px solid var(--accent);
  border-radius: 10px;
}

.warn p {
  font-size: 15px;
  line-height: 1.55;
}

.warn .warn-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 24px;
  font-size: 15px;
}

.small {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--divider);
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

.site-footer .pane.left {
  background: var(--footer-left);
  padding: 40px var(--gutter) 24px;
}

.site-footer .pane.right {
  background: var(--footer-right);
  padding: 24px var(--gutter) 40px;
}

.site-footer .pane.left .inner {
  display: grid;
  gap: 8px;
}

.site-footer .brand {
  color: var(--text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: clamp(0px, 2vw, 16px);
}

/* 404 */

.not-found {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
  max-width: var(--column);
  margin: 0 auto;
  padding: 48px var(--gutter);
}

.not-found h1 {
  font-size: clamp(28px, 4vw, 40px);
}

.not-found p {
  margin-top: 8px;
  color: var(--muted);
}