/* Double Click AI landing. Fonts are self-hosted; licenses are in fonts/. */

@font-face {
  font-family: "Newsreader";
  src: url("fonts/newsreader-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Newsreader";
  src: url("fonts/newsreader-latin-italic.woff2") format("woff2");
  font-weight: 200 800;
  font-style: italic;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("fonts/plus-jakarta-sans-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --serif: "Newsreader", "Iowan Old Style", Palatino, Georgia, serif;
  --sans: "Plus Jakarta Sans", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --ink: #100e0c;
  --elev: #14110e;
  --raised: #1a1714;
  --hover: #221c16;
  --cream: #f3ecdf;
  --cream-text: #241c14;
  --kicker: #8a5a2b;
  --ivory: #f6f1e7;
  --muted: #d9cbb8;
  --quiet: #b3a89a;
  --faint: #7c7368;
  --accent: #e39b4a;
  --accent-soft: #f0c48a;
  --on-accent: #1a1208;
  --line: rgba(243, 230, 208, 0.12);
  --line-strong: rgba(243, 230, 208, 0.16);
  --code: #0e0c0a;
  --wrap: 1120px;
  --header: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--ink);
  color: var(--ivory);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  background: var(--ink);
  min-width: 320px;
  max-width: 100%;
  overflow-x: hidden;
}

a { color: var(--accent-soft); text-decoration: none; }
a:hover { color: var(--accent); }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 320px);
  margin: 0 auto;
  padding: 0 160px;
}

/* —— Mark —— */
.mark {
  position: relative;
  width: 22px;
  height: 22px;
  display: inline-block;
  flex: none;
}
.mark::before,
.mark::after {
  content: "";
  position: absolute;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}
.mark::before { left: 0; }
.mark::after { left: 8px; }
.mark.sm { width: 14px; height: 14px; }
.mark.sm::before,
.mark.sm::after {
  top: 3px;
  width: 8px;
  height: 8px;
}
.mark.sm::before { left: 0; }
.mark.sm::after { left: 5px; }

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font: 650 14px/1 var(--sans);
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  color: inherit;
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}
.btn-primary:hover { color: var(--on-accent); filter: brightness(1.05); }
.btn-secondary {
  background: transparent;
  color: var(--ivory);
  border-color: var(--line-strong);
}
.btn-secondary:hover { background: var(--hover); color: var(--ivory); }
.btn-sm { height: 36px; padding: 0 14px; font-size: 13px; }

/* —— Header —— */
.site-header {
  height: var(--header);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  position: relative;
  z-index: 5;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ivory);
  font: 650 15px/1 var(--sans);
  letter-spacing: 0.01em;
  flex: none;
}
.logo:hover { color: var(--ivory); }
.nav {
  display: flex;
  gap: 22px;
  flex: 1;
  font: 500 13.5px/1 var(--sans);
}
.nav a { color: var(--quiet); }
.nav a:hover { color: var(--ivory); }
.header-cta { margin-left: auto; flex: none; }
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ivory);
  font: 650 13px/1 var(--sans);
  cursor: pointer;
}
.nav-toggle:hover { background: var(--hover); }

/* —— Hero (nav + hero = 900px on desktop) —— */
.hero {
  min-height: calc(900px - var(--header));
  display: flex;
  align-items: center;
  padding: 40px 0 48px;
  background:
    radial-gradient(900px 480px at 80% 10%, #2a241e 0%, var(--ink) 70%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 560px;
  gap: 56px;
  align-items: center;
}
.kicker {
  font: 600 12px/1 var(--sans);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.hero h1 {
  font: 500 56px/1.12 var(--serif);
  color: var(--ivory);
  margin: 0 0 20px;
}
.lede {
  font: 400 18px/1.55 var(--sans);
  color: var(--quiet);
  max-width: 38em;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 14px;
}
.hero-note {
  font: 400 13px/1.4 var(--sans);
  color: #90887e;
}

/* —— Hero product visual —— */
.hero-copy, .hero-visual, .hero-grid { min-width: 0; }
.hero-visual { position: relative; width: 100%; }
.browser {
  background: var(--cream);
  border-radius: 12px;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.48),
    0 2px 8px rgba(0, 0, 0, 0.35);
  color: var(--cream-text);
}
.browser-bar {
  height: 42px;
  background: #ece7df;
  border-bottom: 1px solid rgba(36, 28, 20, 0.1);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
}
.traffic { display: flex; gap: 6px; flex: none; }
.traffic i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
  background: #d9d0c4;
}
.traffic .c { background: #ff5f57; }
.traffic .y { background: #febc2e; }
.traffic .g { background: #28c840; }
.omnibox {
  flex: 1;
  height: 24px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(36, 28, 20, 0.1);
  color: #3a3228;
  font: 400 11px/24px var(--sans);
  padding: 0 10px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.browser-stage {
  position: relative;
  height: 680px;
  overflow: hidden;
  background: var(--cream);
}
.essay {
  max-width: min(420px, 100%);
  margin: 28px auto 0;
  padding: 0 24px;
  font: 17px/1.55 var(--serif);
}
.essay .kicker { color: var(--kicker); margin-bottom: 8px; }
.essay h2 {
  font: 500 28px/1.15 var(--serif);
  margin: 0 0 8px;
}
.byline {
  font: italic 400 13px/1.4 var(--serif);
  color: #6a5c4e;
  margin: 0 0 16px;
}
.essay p { margin: 0 0 14px; }
mark.sel {
  background: #b5d7ff;
  color: inherit;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  padding: 0.08em 0;
}

.dc-panel {
  position: absolute;
  left: 28px;
  top: 200px;
  width: 400px;
  max-width: calc(100% - 40px);
  display: flex;
  flex-direction: column;
  background: var(--elev);
  color: #f4efe6;
  border: 1px solid rgba(243, 230, 208, 0.14);
  border-radius: 16px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  font: 14px/1.45 var(--sans);
  z-index: 2;
}
.dc-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 10px 8px 12px;
  border-bottom: 1px solid rgba(243, 230, 208, 0.1);
}
.dc-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 650;
  font-size: 13px;
}
.dc-select {
  margin-left: auto;
  appearance: none;
  background: #221c16 url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M1 1l4 4 4-4' stroke='%23b7ab9c' fill='none'/></svg>") right 8px center no-repeat;
  color: #f4efe6;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 22px 4px 10px;
  font: 500 12px/1.2 var(--sans);
}
.dc-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  color: #b7ab9c;
  display: grid;
  place-items: center;
  font-size: 16px;
}
.dc-passage {
  margin: 10px 12px 0;
  padding: 8px 10px;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.45;
}
.dc-thread {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dc-user p {
  margin: 0;
  padding: 8px 10px;
  background: #2a231c;
  border-radius: 12px 12px 4px 12px;
}
.dc-md p { margin: 0; }
.dc-md strong { font-weight: 650; }
.dc-md em { font-style: italic; }
.dc-composer {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: 10px 12px 8px;
  border-top: 1px solid rgba(243, 230, 208, 0.1);
}
.dc-input {
  flex: 1;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  background: #1c1814;
  color: var(--faint);
  border-radius: 12px;
  padding: 8px 10px;
  font: 14px/1.4 var(--sans);
}
.dc-stop {
  border: 0;
  border-radius: 999px;
  height: 34px;
  padding: 0 12px;
  background: #3a2a28;
  color: #f0c2b8;
  font: 600 12px/34px var(--sans);
}
.dc-foot {
  padding: 0 12px 10px;
  color: var(--faint);
  font-size: 11px;
}
.dc-caret {
  display: inline-block;
  width: 7px;
  height: 1em;
  margin-left: 2px;
  background: var(--accent);
  vertical-align: text-bottom;
}

/* —— Shared sections —— */
.section { padding: 96px 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}
.section h2 {
  font: 500 40px/1.2 var(--serif);
  color: var(--ivory);
  margin: 0 0 12px;
}
.section .section-head p,
.prose {
  font: 400 17px/1.55 var(--sans);
  color: var(--quiet);
}
.cream {
  background: var(--cream);
  color: var(--cream-text);
}
.cream h2 { color: var(--cream-text); }
.cream .section-head p,
.cream .prose { color: #5c5146; }
.cream .kicker { color: var(--kicker); }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  background: #fff;
  border: 1px solid rgba(36, 28, 20, 0.08);
  border-radius: 16px;
  padding: 24px 24px 28px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}
.num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f3ecdf;
  border: 1px solid rgba(227, 155, 74, 0.45);
  color: #8a5a2b;
  font: 650 12px/26px var(--sans);
  text-align: center;
  margin-bottom: 16px;
}
.step h3 {
  font: 650 16px/1.3 var(--sans);
  margin: 0 0 8px;
  color: var(--cream-text);
}
.step p {
  font: 400 15px/1.5 var(--sans);
  color: #5c5146;
}

/* —— Providers —— */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.provider {
  background: var(--elev);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 22px;
}
.provider h3 {
  font: 650 16px/1.3 var(--sans);
  margin: 0 0 6px;
}
.provider p {
  font: 400 13.5px/1.45 var(--sans);
  color: var(--quiet);
}
.provider .cli {
  display: inline-block;
  margin-top: 10px;
  font: 400 12px/1.4 var(--mono);
  color: var(--muted);
  background: var(--code);
  padding: 3px 7px;
  border-radius: 6px;
}
.note {
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 24px;
  font: 400 15px/1.55 var(--sans);
  color: var(--quiet);
}
.note strong { color: var(--ivory); font-weight: 650; }

/* —— Privacy —— */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar {
  border-top: 2px solid var(--accent);
  padding-top: 20px;
}
.pillar h3 {
  font: 650 16px/1.3 var(--sans);
  margin: 0 0 8px;
  color: var(--cream-text);
}
.pillar p {
  font: 400 15px/1.5 var(--sans);
  color: #5c5146;
}

/* —— History + open source splits —— */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.start { align-items: start; }
.split .section-head { margin-bottom: 0; }

.hist-card {
  background: var(--elev);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  font: 14px/1.45 var(--sans);
  color: var(--ivory);
}
.hist-card .top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--line);
}
.hist-card .top strong { font-weight: 650; font-size: 15px; display: block; }
.hist-card .top span { font-size: 12px; color: var(--quiet); }
.hist-search {
  margin: 12px 14px 0;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  color: var(--faint);
  font: 400 13px/1 var(--sans);
}
.hist-list { padding: 12px 10px 16px; display: flex; flex-direction: column; gap: 6px; }
.hist-page {
  font: 650 13px/1.3 var(--sans);
  padding: 6px 8px 2px;
}
.hist-url { font-size: 11px; color: var(--faint); font-weight: 400; margin-top: 2px; }
.hist-item {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 8px;
}
.hist-item.active {
  background: var(--raised);
  border-color: var(--line);
}
.excerpt {
  font-family: var(--serif);
  color: var(--quiet);
  font-size: 13.5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.meta { color: var(--faint); font-size: 12px; margin-top: 4px; }

/* —— Install —— */
.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.install-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.install-steps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: start;
}
.install-steps h3 {
  font: 650 16px/1.3 var(--sans);
  margin: 4px 0 6px;
}
.install-steps p {
  font: 400 15px/1.5 var(--sans);
  color: var(--quiet);
}
.install-steps .num {
  background: var(--hover);
  border-color: rgba(227, 155, 74, 0.45);
  color: var(--accent-soft);
  margin: 0;
}
.term {
  background: var(--code);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}
.term-bar {
  height: 36px;
  background: var(--raised);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  font: 500 12px/1 var(--sans);
  color: var(--quiet);
}
.term pre {
  margin: 0;
  padding: 20px 22px 24px;
  font: 13.5px/1.65 var(--mono);
  color: var(--ivory);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.term .prompt { color: var(--accent-soft); }
.term .ok { color: #d5e8a6; }
.term .dim { color: #90887e; }
code.inline {
  font: 400 13px/1.4 var(--mono);
  background: var(--code);
  color: var(--muted);
  padding: 1px 6px;
  border-radius: 5px;
}
.cream code.inline {
  background: rgba(36, 28, 20, 0.08);
  color: var(--cream-text);
}

/* —— FAQ —— */
.faq {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.faq-item h3 {
  font: 650 16px/1.35 var(--sans);
  margin: 0 0 8px;
}
.faq-item p {
  font: 400 15px/1.55 var(--sans);
  color: var(--quiet);
  max-width: 720px;
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
  color: #90887e;
  font: 400 13px/1.5 var(--sans);
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}
.foot-links { display: flex; gap: 18px; }
.foot-links a { color: #90887e; }
.foot-links a:hover { color: var(--quiet); }

/* —— Mobile —— */
.skip {
  position: absolute;
  left: 16px;
  top: 8px;
  transform: translateY(-160%);
  background: var(--accent);
  color: var(--on-accent);
  padding: 8px 14px;
  border-radius: 999px;
  font: 650 14px/1 var(--sans);
  z-index: 5;
}
.skip:focus {
  transform: none;
  color: var(--on-accent);
}
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
:focus-visible {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}
.cream :focus-visible { outline-color: #8a5a2b; }
.cream a { color: #8a5a2b; }
.cream a:hover { color: #6e4520; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
.more { margin-top: 32px; }
.more a {
  font: 650 15px/1.4 var(--sans);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.policy { max-width: 42rem; }
.policy h1 {
  font: 500 40px/1.2 var(--serif);
  margin: 0 0 12px;
}
.policy h2 {
  font: 650 18px/1.35 var(--sans);
  margin: 32px 0 8px;
  color: var(--ivory);
}
.policy p,
.policy li {
  font: 400 16px/1.6 var(--sans);
  color: var(--muted);
}
.policy ul { margin: 8px 0 0 1.2em; }
.policy li { margin: 6px 0; }
.policy a { text-decoration: underline; text-underline-offset: 3px; }
.policy .updated { color: var(--quiet); font-size: 14px; margin-bottom: 8px; }
.missing {
  min-height: calc(100vh - var(--header));
  display: flex;
  align-items: center;
  padding: 64px 0;
}
.missing h1 {
  font: 500 48px/1.15 var(--serif);
  margin: 0 0 16px;
}

@media (max-width: 900px) {
  .wrap { padding: 0 20px; }
  .site-header .wrap {
    gap: 10px;
    flex-wrap: nowrap;
  }
  .logo { font-size: 14px; gap: 8px; }
  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    flex: none;
    flex-direction: column;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    padding: 4px 20px 12px;
  }
  .nav.is-open { display: flex; }
  .nav a {
    padding: 12px 0;
    font-size: 16px;
    color: var(--ivory);
  }
  .nav-toggle { display: inline-flex; margin-left: auto; padding: 0 12px; }
  .header-cta { margin-left: 8px; padding: 0 12px; font-size: 12px; }
  .policy h1,
  .missing h1 { font-size: 32px; }
  .hero {
    min-height: 0;
    padding: 32px 0 40px;
    align-items: flex-start;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero h1 { font-size: 36px; }
  .lede { font-size: 16px; }
  .section { padding: 64px 0; }
  .section h2 { font-size: 28px; }
  .steps,
  .provider-grid,
  .pillars,
  .split,
  .install-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .split { gap: 28px; }
  .browser-stage { height: 640px; }
  .dc-panel {
    left: 12px;
    right: 12px;
    width: auto;
    max-width: none;
    top: 186px;
  }
  .essay { margin-top: 20px; }
  .site-footer .wrap { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 380px) {
  .header-cta { display: none; }
}

@media (max-width: 430px) {
  .hero h1 { font-size: 34px; }
  .cta-row .btn { flex: 1; }
  .browser-stage { height: 680px; }
  .essay { margin-top: 16px; }
  .essay h2 { font-size: 24px; }
  .dc-panel { top: 228px; }
}