/* Brand tokens, taken from keeta.com. Surt Expanded (Keeta's licensed face) is stood in by Lexend Exa / Lexend. */
:root {
  --bg: #f8f8f8;
  --surface: #ffffff;
  --surface-2: #f2f2f2;
  --line: #dddddd;
  --line-2: #cccccc;
  --ink: #2c2a2a;
  --text: #2c2a2a;
  --muted: #807f7f;
  --dim: #abaaaa;
  --dark: #2c2a2a;
  --dark-2: #3c3a3a;
  --dark-line: #413f3f;
  --accent: #ff886d;
  --accent-deep: #f87159;
  --blue: #7091df;
  --teal: #cfd8d8;
  --sky: #a7bede;
  --lavender: #c0c4e4;
  --ok: #3f9c6d;
  --radius: 12px;
  --wrap: 1200px;
  --display: "Lexend Exa", "Surt Expanded", system-ui, sans-serif;
  --font: "Lexend", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}

*, *::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-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 500; color: var(--ink); line-height: 1.12; }
h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); letter-spacing: -0.07em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.065em; max-width: 24ch; }
h3 { font-size: 1.02rem; letter-spacing: -0.05em; line-height: 1.3; }
p { margin: 0; }

/* Framed column: the 1px side rules that run down keeta.com */
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: 32px; padding-right: 32px; }
main > section > .wrap, .nav-inner, .foot .wrap { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.narrow { max-width: var(--wrap); }
.narrow > * { max-width: 780px; }
.center { text-align: center; justify-content: center; }
.center > * { margin-left: auto; margin-right: auto; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.eyebrow { font-family: var(--mono); color: var(--muted); font-weight: 500; font-size: 0.8rem; letter-spacing: 0.02em; text-transform: uppercase; margin-bottom: 20px; }
.sub, .lede { color: var(--muted); font-size: 1.05rem; max-width: 62ch; }
.lede { font-size: 1.1rem; margin-top: 20px; }
.grad { background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 35%, var(--sky) 70%, var(--blue) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--ink); color: #fff;
  font-family: var(--display); font-weight: 500; font-size: 0.8rem; letter-spacing: -0.05em;
  padding: 11px 14px 11px 18px; border-radius: var(--radius);
  border: 1px solid var(--ink);
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn::after { content: "↗"; font-family: var(--font); font-size: 0.9em; opacity: 0.8; }
.btn:hover { background: #000; border-color: #000; }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-ghost::after { content: none; }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--line-2); }
.btn-sm { padding: 8px 10px 8px 14px; font-size: 0.78rem; }
.btn-ghost.btn-sm { padding-right: 14px; }
.cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 32px; }
.cta-row.small { margin-top: 12px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, 0.9); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-size: 0.88rem; font-weight: 400; letter-spacing: -0.06em; color: var(--ink); }
.brand strong { font-weight: 500; }
.mark { width: auto; height: 22px; }
.nav-links { display: flex; align-items: center; gap: 28px; font-family: var(--display); font-size: 0.76rem; font-weight: 500; letter-spacing: -0.05em; color: var(--ink); }
.nav-links a:not(.btn) { color: var(--muted); transition: color .15s; }
.nav-links a:not(.btn):hover { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 12px 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 1.5px; background: var(--ink); margin: 6px 0; border-radius: 2px; transition: transform .2s; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #fff 0%, var(--bg) 70%); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding-top: 88px; padding-bottom: 230px; }
.arc { position: absolute; left: 50%; bottom: 0; width: min(1000px, 100%); height: auto; transform: translateX(-50%); pointer-events: none; }

/* Product mock */
.mock { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 30px 80px -40px rgba(44, 42, 42, 0.25); overflow: hidden; font-size: 0.86rem; }
.mock-bar, .term-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.mock-bar i, .term-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.mock-bar span, .term-bar span { margin-left: 10px; color: var(--muted); font-size: 0.74rem; font-family: var(--mono); }
.mock-body { display: grid; grid-template-columns: 150px 1fr; min-height: 340px; }
.mock-side { border-right: 1px solid var(--line); padding: 16px 12px; display: flex; flex-direction: column; gap: 2px; background: #fcfcfc; }
.mock-label { font-family: var(--mono); color: var(--dim); font-size: 0.7rem; text-transform: uppercase; margin: 0 8px 8px; }
.grp { display: flex; align-items: center; gap: 10px; padding: 7px 8px; border-radius: 8px; color: var(--muted); }
.grp b { width: 8px; height: 8px; border-radius: 2px; background: var(--c); }
.grp.active { background: var(--surface-2); color: var(--ink); }
.c1 { --c: var(--accent); } .c2 { --c: #8fbf9f; } .c3 { --c: #e8b86a; } .c4 { --c: var(--blue); } .c5 { --c: var(--lavender); }
.mock-main { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.mock-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; font-family: var(--display); letter-spacing: -0.05em; }
.mock-head strong { font-weight: 500; }
.pill { font-family: var(--mono); font-size: 0.7rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; white-space: nowrap; }
.task { display: grid; grid-template-columns: 14px 1fr auto; align-items: center; gap: 12px; padding: 10px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.task .t { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.st { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--dim); }
.st.doing { border-color: var(--accent); border-right-color: transparent; }
.st.done { background: var(--ink); border-color: var(--ink); }
.who { font-family: var(--mono); font-size: 0.7rem; font-weight: 500; padding: 2px 8px; border-radius: 6px; white-space: nowrap; }
.who.agent { background: rgba(255, 136, 109, 0.14); color: #c4553c; }
.who.human { background: rgba(112, 145, 223, 0.14); color: #4a69b5; }
.ask { margin-top: 6px; padding: 14px; border-radius: 10px; border: 1px solid rgba(255, 136, 109, 0.5); background: linear-gradient(180deg, rgba(255, 136, 109, 0.08), rgba(255, 136, 109, 0.01)); }
.ask-from { color: var(--muted); font-size: 0.78rem; display: flex; gap: 8px; align-items: center; }
.ask-q { margin: 8px 0 12px; color: var(--ink); }
.ask-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 0.76rem; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line); color: var(--muted); background: var(--surface); }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* Sections */
main > section { border-bottom: 1px solid var(--line); }
.section > .wrap { padding-top: 104px; padding-bottom: 104px; }
.section.alt { background: var(--surface); }
.section h2 { margin-bottom: 18px; }
.statement { background: var(--surface); }
.statement > .wrap { padding-top: 96px; padding-bottom: 96px; }
.statement p { color: var(--muted); font-size: 1.15rem; margin-top: 28px; }
.big { font-size: clamp(2.4rem, 6.4vw, 4.6rem); letter-spacing: -0.075em; max-width: none; }

/* Dark band, like keeta.com's feature list */
.section.dark { background: var(--dark); color: #fff; border-bottom: 0; }
.section.dark > .wrap { border-color: var(--dark-line); }
.section.dark h2, .section.dark h3 { color: #fff; }
.section.dark .eyebrow, .section.dark .feat p { color: var(--dim); }
.section.dark::after { content: ""; display: block; height: 72px; background: linear-gradient(180deg, var(--accent) 0%, #ffb7a6 45%, #fff 100%); }
.section.dark .tabs button { color: var(--dim); border-color: var(--dark-line); }
.section.dark .tabs button:hover { color: #fff; }
.section.dark .tabs button[aria-selected="true"] { background: #fff; color: var(--ink); border-color: #fff; }
.section.dark .grid { background: var(--dark-line); border-color: var(--dark-line); }
.section.dark .feat { background: var(--dark); }
.section.dark .feat:hover { background: var(--dark-2); }
.section.dark .feat.apps span { background: var(--dark-2); border-color: var(--dark-line); color: #fff; }

/* How */
.how { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; margin-top: 48px; align-items: start; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.steps .n { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--line); font-family: var(--mono); font-weight: 500; font-size: 0.82rem; color: var(--accent-deep); }
.steps p { color: var(--muted); margin-top: 4px; }
.term { position: sticky; top: 96px; background: var(--dark); border: 1px solid var(--dark); border-radius: var(--radius); overflow: hidden; color: #f2f2f2; }
.term .term-bar { background: var(--dark-2); border-bottom-color: var(--dark-line); }
.term .term-bar i { background: #5a5858; }
.term .term-bar span { color: var(--dim); }
.term pre { margin: 0; padding: 22px; font-family: var(--mono); font-size: 0.85rem; line-height: 1.9; overflow-x: auto; }
.term .p { color: var(--accent); }
.term .m { color: #8d8d8d; }
.term .ok { color: #9fd3b4; }

/* Cards / grids: shared 1px rules instead of gaps, as on keeta.com */
.pillars, .grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pillars { grid-template-columns: repeat(3, 1fr); margin-top: 8px; }
.grid { grid-template-columns: repeat(2, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); margin-top: 40px; }
.card { background: var(--bg); padding: 32px; }
.card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.card p { color: var(--muted); }
.feat { background: var(--surface); padding: 28px; transition: background .2s; }
.section:not(.alt):not(.dark) .feat { background: var(--bg); }
.feat:hover, .section:not(.alt):not(.dark) .feat:hover { background: #fff; }
.section.alt .feat:hover { background: #fcfcfc; }
.feat p { color: var(--muted); margin-top: 8px; font-size: 0.95rem; }
.feat.apps { display: flex; flex-wrap: wrap; gap: 8px; align-content: center; }
.feat.apps span { padding: 7px 12px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--line); font-family: var(--mono); font-size: 0.8rem; }

/* Split / chats */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; }
.ticks li { padding-left: 30px; position: relative; color: var(--ink); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: rgba(255, 136, 109, 0.14); box-shadow: inset 0 0 0 1px rgba(255, 136, 109, 0.55); }
.ticks li::after { content: ""; position: absolute; left: 6px; top: 8px; width: 6px; height: 9px; border: solid var(--accent-deep); border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); }
.chats { display: grid; gap: 16px; }
.chat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.chat-who { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.dot { width: 8px; height: 8px; border-radius: 2px; background: var(--c); }
.q { background: var(--surface-2); padding: 10px 14px; border-radius: 12px 12px 12px 4px; display: inline-block; color: var(--ink); }
.a { margin-top: 12px; padding: 12px 14px; border-radius: 12px 12px 4px 12px; background: rgba(255, 136, 109, 0.08); border: 1px solid rgba(255, 136, 109, 0.4); color: var(--ink); }
.a.muted { background: transparent; border: 1px dashed var(--line-2); color: var(--muted); }

/* Tabs */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 36px 0 28px; }
.tabs button { font-family: var(--display); font-size: 0.76rem; font-weight: 500; letter-spacing: -0.05em; color: var(--muted); background: transparent; border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 16px; cursor: pointer; transition: all .15s; }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.js .panel[hidden] { display: none; }
.no-js .tabs { display: none; }
.no-js .panel + .panel { margin-top: 16px; }

/* Away */
.away { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.cal { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: grid; gap: 8px; }
.cal-row { display: grid; grid-template-columns: 52px 1fr; gap: 12px; align-items: center; }
.time { color: var(--dim); font-size: 0.76rem; font-family: var(--mono); }
.blk { padding: 10px 14px; border-radius: 8px; font-size: 0.9rem; }
.blk.meet { background: var(--surface-2); color: var(--muted); }
.blk.agent { background: rgba(255, 136, 109, 0.1); border: 1px solid rgba(255, 136, 109, 0.45); color: #b04e37; }
.blk.back { background: rgba(112, 145, 223, 0.12); border: 1px solid rgba(112, 145, 223, 0.5); color: #3f5ea8; font-weight: 500; }
.draft { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.draft-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-family: var(--display); font-weight: 500; letter-spacing: -0.05em; }
.draft-head span:first-child { color: var(--accent-deep); }
.draft-to { color: var(--muted); font-size: 0.8rem; font-family: var(--mono); }
.draft .btn { pointer-events: none; }
.draft-foot { color: var(--muted); font-size: 0.85rem; margin-top: auto; }

/* Flow */
.flow { display: grid; grid-template-columns: 1fr 48px 1fr 48px 1fr; align-items: center; margin-top: 48px; }
.flow-step { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; height: 100%; }
.flow-step p { color: var(--muted); margin-top: 8px; font-size: 0.95rem; }
.tag { display: inline-block; font-family: var(--mono); font-size: 0.72rem; font-weight: 500; text-transform: uppercase; color: var(--accent-deep); margin-bottom: 12px; }
.arrow { height: 1.5px; background: linear-gradient(90deg, var(--accent), var(--blue)); position: relative; margin: 0 8px; }
.arrow::after { content: ""; position: absolute; right: -1px; top: -4px; border: 5px solid transparent; border-left: 7px solid var(--blue); border-right: 0; }

/* Final */
.final { position: relative; overflow: hidden; text-align: center; background: linear-gradient(180deg, var(--bg), #fff); }
.final > .wrap { padding-top: 128px; padding-bottom: 128px; }
.final p { color: var(--muted); font-size: 1.15rem; margin: 24px auto 0; max-width: 46ch; }
.notfound { min-height: 100vh; display: grid; place-items: center; }

/* Footer */
.foot { padding: 0; color: var(--muted); font-size: 0.85rem; background: #fff; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-top: 36px; padding-bottom: 36px; }
.foot nav { display: flex; gap: 20px; font-family: var(--display); font-size: 0.76rem; font-weight: 500; letter-spacing: -0.05em; }
.foot nav a:hover { color: var(--ink); }
.foot-mark { padding-top: 8px; padding-bottom: 0; overflow: hidden; }
.foot-mark img { width: 100%; height: auto; margin-bottom: -4%; }

/* Reveal */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 980px) {
  .hero-inner, .how, .split, .away { grid-template-columns: 1fr; }
  .hero-inner { padding-top: 56px; padding-bottom: 200px; }
  .arc { width: 150%; }
  .term { position: static; }
  .pillars { grid-template-columns: 1fr; }
  .grid.four { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr; gap: 0; }
  .arrow { width: 1.5px; height: 28px; margin: 0 auto; background: linear-gradient(180deg, var(--accent), var(--blue)); }
  .arrow::after { right: -4px; top: auto; bottom: -2px; border: 5px solid transparent; border-top: 7px solid var(--blue); border-bottom: 0; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 20px; background: #fff; border-bottom: 1px solid var(--line); display: none; font-size: 0.9rem; }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); color: var(--ink); }
  .nav-links .btn { margin-top: 16px; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap { padding-left: 16px; padding-right: 16px; }
  main > section > .wrap, .nav-inner, .foot .wrap { border-left: 0; border-right: 0; }
  .section > .wrap { padding-top: 72px; padding-bottom: 72px; }
  .statement > .wrap, .final > .wrap { padding-top: 72px; padding-bottom: 72px; }
  .grid, .grid.four { grid-template-columns: 1fr; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 10px; }
  .mock-label { display: none; }
  .grp { flex: none; }
  .card { padding: 24px; }
  .cta-row .btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}