/* fabo website. Plain CSS, no frameworks, no external fonts or scripts. */
:root {
  --bg: #080b10;
  --bg-2: #0d1219;
  --panel: #111821;
  --panel-2: #161f2a;
  --line: #1f2b38;
  --text: #e9eef3;
  --muted: #9aa8b5;
  --teal: #2dd4bf;
  --teal-deep: #0f766e;
  --amber: #fbbf24;
  --radius: 16px;
  --max: 1120px;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
*, *::before, *::after { 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 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(100% - 40px, var(--max)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--teal); color: #04201c; padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid transparent; }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 650; font-size: 20px; letter-spacing: -0.02em; }
.brand svg { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 14.5px; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: #04201c; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 999px; background: var(--teal); color: #04201c; font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid transparent; transition: transform .15s, background .15s, box-shadow .15s; box-shadow: 0 0 0 0 rgb(45 212 191 / .35); }
.btn:hover { background: #5eead4; transform: translateY(-1px); box-shadow: 0 8px 28px -8px rgb(45 212 191 / .55); }
.btn.small { padding: 8px 16px; font-size: 14px; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); box-shadow: none; }
.btn.ghost:hover { background: var(--panel); border-color: #2b3b4c; transform: none; }
.btn[aria-disabled="true"] { opacity: .6; pointer-events: none; }

/* hero */
.hero { position: relative; padding: clamp(56px, 9vw, 120px) 0 clamp(48px, 7vw, 90px); text-align: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -20% -10% auto; height: 520px; background: radial-gradient(60% 60% at 50% 0%, rgb(45 212 191 / .16), transparent 70%), radial-gradient(30% 40% at 85% 10%, rgb(251 191 36 / .08), transparent 70%); pointer-events: none; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 13px; background: var(--bg-2); }
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); display: block; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.03em; margin: 0; font-weight: 650; }
h1 { font-size: clamp(38px, 7vw, 68px); margin: 22px auto 0; max-width: 17ch; text-wrap: balance; }
h1 em, h2 em { font-style: normal; color: var(--teal); }
.lead { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 56ch; margin: 22px auto 0; text-wrap: pretty; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 32px; }
.fine { color: var(--muted); font-size: 13.5px; margin-top: 16px; }

/* app mock */
.mock { position: relative; margin: clamp(40px, 6vw, 72px) auto 0; max-width: 900px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); box-shadow: 0 40px 100px -30px rgb(0 0 0 / .7), 0 0 0 1px rgb(255 255 255 / .02) inset; text-align: left; overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.mock-bar b { width: 11px; height: 11px; border-radius: 50%; background: #2b3947; display: block; }
.mock-bar span { margin-left: 10px; color: var(--muted); font-size: 12.5px; }
.mock-body { display: grid; grid-template-columns: 200px 1fr; min-height: 340px; }
.mock-side { border-right: 1px solid var(--line); padding: 16px 12px; display: grid; align-content: start; gap: 4px; font-size: 13.5px; color: var(--muted); background: var(--bg-2); }
.mock-side div { padding: 8px 10px; border-radius: 8px; }
.mock-side .on { background: var(--panel-2); color: var(--text); }
.mock-main { padding: 22px; display: grid; gap: 14px; align-content: start; }
.bubble { padding: 12px 16px; border-radius: 14px; max-width: 86%; font-size: 14.5px; line-height: 1.55; }
.bubble.you { justify-self: end; background: var(--teal-deep); color: #ecfffb; border-bottom-right-radius: 4px; }
.bubble.ai { background: var(--panel-2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.cite { display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; padding: 0 6px; margin: 0 2px; border-radius: 6px; background: rgb(45 212 191 / .15); color: var(--teal); font: 600 12px var(--mono); }
.sources { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip { font: 12px var(--mono); color: var(--muted); border: 1px solid var(--line); border-radius: 8px; padding: 3px 9px; }

/* sections */
section { padding: clamp(56px, 8vw, 104px) 0; }
.sec-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.sec-head p { color: var(--muted); font-size: 18px; margin: 14px 0 0; text-wrap: pretty; }
h2 { font-size: clamp(30px, 4.6vw, 46px); }
.kicker { color: var(--teal); font: 600 13px var(--mono); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; display: block; }
.alt { background: var(--bg-2); border-block: 1px solid var(--line); }

.grid { display: grid; gap: 16px; }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: border-color .2s, transform .2s; }
.card:hover { border-color: #2c4052; transform: translateY(-2px); }
.card h3 { font-size: 19px; margin: 18px 0 8px; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
.icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: rgb(45 212 191 / .1); color: var(--teal); }
.icon svg { width: 22px; height: 22px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; position: relative; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--teal); color: #04201c; font-weight: 700; margin-bottom: 16px; }
.steps h3 { font-size: 19px; margin-bottom: 8px; }
.steps p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* privacy table */
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; max-width: 880px; margin: 0 auto; }
.pane { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 26px; }
.pane h3 { font-size: 17px; display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.pane h3 i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.pane.stays h3 i { background: var(--teal); }
.pane.leaves h3 i { background: var(--amber); }
.pane ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.pane li { color: var(--muted); font-size: 15.5px; padding-left: 26px; position: relative; }
.pane li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.pane.leaves li::before { content: "→"; color: var(--amber); }
.pane li b { color: var(--text); font-weight: 600; }
.never { max-width: 880px; margin: 16px auto 0; padding: 18px 26px; border: 1px dashed #2b3b4c; border-radius: var(--radius); color: var(--muted); font-size: 15.5px; text-align: center; }
.never b { color: var(--text); }

/* pricing */
.plans { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
.plan { display: flex; flex-direction: column; gap: 6px; }
.plan.feat { border-color: rgb(45 212 191 / .5); background: linear-gradient(180deg, rgb(45 212 191 / .07), var(--panel) 45%); }
.plan .price { font-size: 40px; font-weight: 650; letter-spacing: -0.03em; margin-top: 8px; }
.plan .price small { font-size: 15px; color: var(--muted); font-weight: 400; letter-spacing: 0; }
.plan .tag { font: 600 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--amber); }
.plan ul { list-style: none; padding: 0; margin: 16px 0 24px; display: grid; gap: 10px; color: var(--muted); font-size: 15.5px; flex: 1; }
.plan li { padding-left: 24px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }

/* faq */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 10px; }
details { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
summary { cursor: pointer; list-style: none; padding: 18px 22px; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--teal); font-size: 22px; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0; padding: 0 22px 20px; color: var(--muted); }
details code, .code { font: 13.5px var(--mono); background: var(--bg); border: 1px solid var(--line); padding: 2px 7px; border-radius: 6px; color: var(--text); }

/* closing + footer */
.closing { text-align: center; }
.closing .box { border: 1px solid var(--line); border-radius: 24px; padding: clamp(36px, 6vw, 72px) 24px; background: radial-gradient(70% 90% at 50% 0%, rgb(45 212 191 / .14), transparent 70%), var(--panel); }
footer { border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--muted); font-size: 14px; }
.foot { display: flex; flex-wrap: wrap; gap: 20px 40px; justify-content: space-between; align-items: flex-start; }
.foot nav { display: flex; gap: 22px; flex-wrap: wrap; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--text); }
.legal { margin-top: 24px; max-width: 70ch; font-size: 13px; opacity: .8; }

/* prose pages (privacy) */
.prose { max-width: 720px; padding: 56px 0 96px; }
.prose h1 { font-size: clamp(32px, 5vw, 44px); margin: 0 0 8px; text-align: left; max-width: none; }
.prose h2 { font-size: 22px; margin: 40px 0 10px; letter-spacing: -0.02em; }
.prose p, .prose li { color: var(--muted); }
.prose li { margin: 6px 0; }
.prose a { color: var(--teal); }

@media (max-width: 860px) {
  .g3, .plans, .steps { grid-template-columns: minmax(0, 1fr); }
  .g2, .split { grid-template-columns: minmax(0, 1fr); }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
  .nav-links a:not(.btn) { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

.plan-name { margin-top: 6px !important; }
.brand.sm { font-size: 18px; }
.tagline { margin: 10px 0 0; }
.legal.flush { margin: 0; }

.lost { min-height: 80vh; display: grid; align-content: center; justify-items: center; text-align: center; }