/* inboxhub landing page. Same tokens as the app (web/src/styles.css): Mono. */

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/fonts/PlusJakartaSans-latin.woff2') format('woff2');
  font-weight: 200 800;
  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/PlusJakartaSans-latin-ext.woff2') format('woff2');
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #f7f7f5;
  --side: #ededeb;
  --text: #1a1a1a;
  --sub: #6a6a66;
  --line: #d6d6d2;
  --chip: #e3e3e0;
  --sel: #dededa;
  --accent: #1a1a1a;
  --on-accent: #ffffff;
  --brand: #7a5470;
  --ok: #0e7a6f;
  --ok-bg: #e6f4f2;
  --no: #a1294b;
  --no-bg: #fbecf0;
  --c1: #7a5470;
  --c2: #3f6e69;
  --c3: #9a6a3e;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181817;
    --side: #121211;
    --text: #ededeb;
    --sub: #a3a39e;
    --line: #2e2e2c;
    --chip: #242422;
    --sel: #2f2f2c;
    --accent: #ededeb;
    --on-accent: #161616;
    --brand: #d2a9c5;
    --ok: #4fc2b4;
    --ok-bg: #16302d;
    --no: #f58aa6;
    --no-bg: #3a1d26;
    --c1: #d2a9c5;
    --c2: #7fc0b8;
    --c3: #d9a678;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -0.01em; line-height: 1.2; }
p { margin: 0; }
code { font-size: 0.9em; background: var(--chip); padding: 1px 6px; border-radius: 6px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
section { padding: 88px 0; scroll-margin-top: 64px; }
.band { background: var(--side); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(28px, 4vw, 38px); }
.section-lead { margin-top: 14px; max-width: 680px; color: var(--sub); font-size: 18px; }

/* ---- header ---- */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 20px; font-weight: 500; letter-spacing: -0.02em; }
.brand b { font-weight: 800; color: var(--brand); }
.brand .mark { color: var(--brand); }
.brand.small { font-size: 16px; }
.top-nav { margin-left: auto; display: flex; gap: 24px; font-size: 15px; }
.top-nav a { text-decoration: none; color: var(--sub); }
.top-nav a:hover { color: var(--text); }

/* ---- hero ---- */
.hero { padding: 72px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent); background: var(--sel); padding: 4px 12px; border-radius: 999px; }
h1 { margin-top: 18px; font-size: clamp(34px, 5vw, 54px); letter-spacing: -0.015em; word-spacing: 0.04em; line-height: 1.08; }
.lead { margin-top: 20px; font-size: 19px; color: var(--sub); max-width: 560px; }
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.btn { display: inline-flex; align-items: center; height: 48px; padding: 0 22px; border-radius: 12px; background: var(--accent); color: var(--on-accent); text-decoration: none; font-weight: 600; }
.btn:hover { filter: brightness(1.08); }
.soon { color: var(--sub); font-size: 15px; }

/* app preview */
.preview { margin: 0; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--bg); box-shadow: 0 30px 80px -30px rgba(40, 20, 50, 0.35); font-size: 13px; }
.pv-bar { display: flex; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--side); }
.pv-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.pv-body { display: grid; grid-template-columns: 150px 1fr; min-height: 300px; }
.pv-side { background: var(--side); padding: 14px 10px; display: flex; flex-direction: column; gap: 3px; border-right: 1px solid var(--line); }
.pv-nav { padding: 6px 10px; border-radius: 8px; display: flex; justify-content: space-between; }
.pv-nav.on { background: var(--sel); font-weight: 600; }
.pv-nav i { font-style: normal; color: var(--sub); font-weight: 400; }
.pv-label { margin: 12px 10px 4px; font-size: 11px; color: var(--sub); }
.pv-box { padding: 5px 10px; display: flex; align-items: center; gap: 8px; }
.preview em, .chat em { display: inline-block; width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.c1 { background: var(--c1); }
.c2 { background: var(--c2); }
.c3 { background: var(--c3); }
.pv-list { list-style: none; margin: 0; padding: 0; }
.pv-list li { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.pv-list li em { margin-top: 6px; }
.pv-list li div { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.pv-list li b { font-weight: 500; }
.pv-list li.unread b { font-weight: 700; }
.pv-list li span { color: var(--sub); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pv-list li:first-child { background: var(--sel); }
.pv-list time { color: var(--sub); font-size: 12px; white-space: nowrap; }

/* ---- infographic ---- */
.flow { margin-top: 48px; display: grid; grid-template-columns: 1fr 120px 1fr 120px 1fr; align-items: stretch; }
.node { position: relative; background: var(--bg); border: 1px solid var(--line); border-radius: 16px; padding: 24px 22px 22px; display: flex; flex-direction: column; gap: 10px; }
.node-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: var(--sel); color: var(--accent); }
.node h3 { font-size: 19px; }
.node p { color: var(--sub); font-size: 15px; line-height: 1.5; }
.node-you { border: 2px solid var(--accent); }
.tags { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font-size: 12.5px; padding: 3px 10px; border-radius: 999px; background: var(--chip); }
.cipher { font: 12.5px/1.6 ui-monospace, 'SF Mono', Menlo, monospace; color: var(--sub); background: var(--chip); border-radius: 8px; padding: 8px 10px; letter-spacing: 0.04em; }
.state { margin-top: auto; align-self: flex-start; font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.state.open { color: var(--ok); background: var(--ok-bg); }
.state.closed { color: var(--no); background: var(--no-bg); }
.state.neutral { color: var(--sub); background: var(--chip); }
.link { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.pipe { position: absolute; top: 50%; left: 0; right: 0; height: 2px; background: repeating-linear-gradient(90deg, var(--accent) 0 8px, transparent 8px 14px); }
.lock { position: relative; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: var(--on-accent); display: flex; align-items: center; justify-content: center; }
.link-text { position: relative; font-size: 12px; color: var(--sub); background: var(--side); padding: 0 6px; text-align: center; line-height: 1.3; }

.steps { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: none; }
.steps li { display: flex; flex-direction: column; gap: 8px; }
.num { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--accent); color: var(--on-accent); font-weight: 700; font-size: 15px; }
.steps h3 { margin-top: 6px; font-size: 18px; }
.steps p { color: var(--sub); font-size: 15px; }

/* ---- privacy ---- */
.compare { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.col { border-radius: 16px; padding: 26px; border: 1px solid var(--line); }
.col h3 { display: flex; align-items: center; gap: 10px; font-size: 20px; }
.col-no { background: var(--ok-bg); border-color: transparent; }
.col-no h3 { color: var(--ok); }
.col-yes h3 { color: var(--sub); }
.col ul { margin: 16px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.col li { position: relative; padding-left: 26px; }
.col-no li::before { content: ''; position: absolute; left: 4px; top: 11px; width: 10px; height: 2px; background: var(--ok); }
.col-yes li::before { content: ''; position: absolute; left: 6px; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--sub); }

/* ---- features ---- */
.features { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.features article { background: var(--bg); border: 1px solid var(--line); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.features svg { color: var(--accent); }
.features h3 { font-size: 18px; }
.features p { color: var(--sub); font-size: 15px; line-height: 1.5; }
.features .ai { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); background: color-mix(in srgb, var(--sel) 60%, var(--bg)); }

/* ---- AI ---- */
.ai-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.checks { margin: 24px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.checks li { position: relative; padding-left: 30px; }
.checks li::before { content: ''; position: absolute; left: 2px; top: 5px; width: 16px; height: 16px; border-radius: 50%; background: var(--sel); box-shadow: inset 0 0 0 5px var(--accent); }
.chat { border: 1px solid var(--line); border-radius: 16px; padding: 22px; background: var(--side); display: flex; flex-direction: column; gap: 12px; font-size: 15px; }
.chat .q { align-self: flex-end; background: var(--sel); padding: 10px 14px; border-radius: 14px 14px 4px 14px; }
.chat .steps-line { font-size: 12.5px; color: var(--sub); }
.chat .a { line-height: 1.55; }
.srcs { display: flex; flex-wrap: wrap; gap: 8px; }
.srcs span { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 6px 12px; }

/* ---- FAQ ---- */
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
details:first-of-type { margin-top: 32px; border-top: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--accent); font-size: 22px; line-height: 1; font-weight: 400; }
details[open] summary::after { content: '−'; }
details p { margin-top: 10px; color: var(--sub); }

/* ---- footer ---- */
.foot { padding: 32px 0 40px; font-size: 14px; color: var(--sub); }
.foot-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot .brand { color: var(--text); }

/* ---- small screens ---- */
@media (max-width: 900px) {
  .hero-grid, .ai-grid { grid-template-columns: 1fr; gap: 40px; }
  .flow { grid-template-columns: 1fr; }
  .link { height: 84px; }
  .pipe { top: 0; bottom: 0; left: 50%; right: auto; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--accent) 0 8px, transparent 8px 14px); }
  .link-text { position: absolute; left: calc(50% + 28px); background: transparent; }
  .steps, .features { grid-template-columns: 1fr 1fr; }
  .compare { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  section { padding: 64px 0; }
  .wrap { padding: 0 16px; }
  .top-nav { display: none; }
  .hero { padding: 48px 0 64px; }
  .steps, .features { grid-template-columns: 1fr; }
  .pv-body { grid-template-columns: 1fr; }
  .pv-side { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ---- technical additions ---- */
.hero-tags { margin-top: 20px; }
.hero-tags li { font-size: 12.5px; background: var(--side); border: 1px solid var(--line); }
.checks b { font-weight: 600; }
.checks code { font-size: 0.85em; }
.trace { margin: 0; font: 12.5px/1.7 ui-monospace, 'SF Mono', Menlo, monospace; color: var(--sub); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; white-space: pre-wrap; overflow-wrap: anywhere; }
.trace span { color: var(--accent); }
.features.compact article { gap: 8px; }
#security .features p { font-size: 14.5px; }
.fit { margin: 14px 0 0; font-size: 14px; color: var(--sub); }