/* VANTA landing — built on the station's v6 tokens (frontend-replit/src/v6/tokens.css), dark first. */
:root {
  --bg: #0f1216;
  --bg-deep: #0a0d10;
  --surface: #161b21;
  --raised: #1e252d;
  --line: rgba(255, 255, 255, .08);
  --line-strong: rgba(255, 255, 255, .16);
  --ink: #e8ecf1;
  --ink-2: #a3aebc;
  --ink-3: #6f7b89;
  --accent: #6ea8fe;
  --accent-ink: #0b1220;
  --accent-soft: rgba(110, 168, 254, .14);
  --accent-rgb: 110, 168, 254;
  --good: #3ccf7a;
  --good-soft: rgba(60, 207, 122, .14);
  --s1: #8a97a8;
  --s2: #f5b83d;
  --s3: #f28b5a;
  --s4: #f05a5a;
  --crit-soft: rgba(240, 90, 90, .14);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "IBM Plex Sans", "Inter", "Segoe UI", system-ui, sans-serif;
  --arabic: "IBM Plex Sans Arabic", "IBM Plex Sans", Tahoma, sans-serif;
  --radius: 10px;
  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 32px);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
[lang="ar"] { font-family: var(--arabic); }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.01em; text-wrap: balance; }
p { margin: 0; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--ink-3); }
.skip { position: absolute; left: 12px; top: -48px; z-index: 50; padding: 8px 12px; background: var(--accent); color: var(--accent-ink); border-radius: 6px; font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 20px;
  border: 0; border-radius: 8px;
  background: var(--accent); color: var(--accent-ink);
  font: 600 15px/1 var(--sans); text-decoration: none; white-space: nowrap;
  cursor: pointer; transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0);
}
.btn:hover { background: #8cbbff; box-shadow: 0 6px 24px -8px rgba(var(--accent-rgb), .6); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn-small { min-height: 36px; padding: 0 14px; font-size: 14px; }
.btn-block { width: 100%; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(15, 18, 22, .78);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 600 16px/1 var(--mono); letter-spacing: .18em; }
.mark { width: 28px; height: 28px; flex: none; }
.mark rect { fill: var(--raised); stroke: var(--line-strong); }
.mark path { fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; }
.mark circle { fill: var(--accent); }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: var(--ink); }

/* Hero */
.hero { position: relative; padding: clamp(48px, 9vw, 104px) 0 0; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 35%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 35%, #000 20%, transparent 75%);
  opacity: .55;
}
.rings { position: absolute; right: -12%; top: -18%; width: min(900px, 110vw); aspect-ratio: 1; }
.rings span { position: absolute; inset: 0; margin: auto; border-radius: 50%; border: 1px solid rgba(var(--accent-rgb), .10); }
.rings span:nth-child(1) { width: 25%; height: 25%; }
.rings span:nth-child(2) { width: 50%; height: 50%; }
.rings span:nth-child(3) { width: 75%; height: 75%; }
.rings span:nth-child(4) { width: 100%; height: 100%; }
.sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(var(--accent-rgb), .16), rgba(var(--accent-rgb), 0) 18%, transparent);
  mask-image: radial-gradient(circle, #000 0 70%, transparent 71%);
  -webkit-mask-image: radial-gradient(circle, #000 0 70%, transparent 71%);
  animation: sweep 9s linear infinite;
}
@keyframes sweep { to { transform: rotate(360deg); } }

.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px; margin-bottom: 22px;
  border: 1px solid var(--line-strong); border-radius: 999px; background: rgba(22, 27, 33, .7);
  color: var(--ink-2); font: 500 12px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase;
}
.eyebrow [lang="ar"] { text-transform: none; letter-spacing: 0; font-size: 13px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 0 rgba(60, 207, 122, .6); animation: pulse 2.4s ease-out infinite; flex: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 7px rgba(60, 207, 122, 0); } 100% { box-shadow: 0 0 0 0 rgba(60, 207, 122, 0); } }
h1 { font-size: clamp(38px, 5.6vw, 64px); line-height: 1.04; letter-spacing: -.025em; }
.lede { margin-top: 22px; max-width: 34em; color: var(--ink-2); font-size: clamp(16px, 1.6vw, 18px); line-height: 1.65; }
.capture { display: flex; gap: 8px; margin-top: 32px; max-width: 520px; }
.capture input { flex: 1; min-width: 0; }
.fine { margin-top: 12px; color: var(--ink-3); font-size: 13px; }
.fine.warn { color: var(--s3); }

input, select, textarea {
  width: 100%; min-height: 46px; padding: 0 14px;
  background: var(--bg-deep); color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: 8px;
  font: 400 15px/1.4 var(--sans);
  transition: border-color .15s ease, box-shadow .15s ease;
}
textarea { padding: 12px 14px; resize: vertical; min-height: 88px; }
select {
  appearance: none; -webkit-appearance: none; padding-right: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23a3aebc' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 12px 8px;
}
input::placeholder, textarea::placeholder { color: var(--ink-3); }
input:hover, select:hover, textarea:hover { border-color: rgba(255, 255, 255, .26); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
[aria-invalid="true"] { border-color: var(--s4); }
[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px var(--crit-soft); border-color: var(--s4); }

/* Ops panel illustration */
.panel {
  position: relative; margin: 0;
  background: linear-gradient(180deg, rgba(30, 37, 45, .92), rgba(22, 27, 33, .92));
  border: 1px solid var(--line-strong); border-radius: 14px;
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .8), 0 0 0 1px rgba(0, 0, 0, .3), 0 0 80px -30px rgba(var(--accent-rgb), .35);
  overflow: hidden;
}
.panel-head { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); font: 500 12px/1 var(--mono); color: var(--ink-3); letter-spacing: .06em; }
.live { display: inline-flex; align-items: center; gap: 7px; color: var(--good); }
.panel-title { color: var(--ink-2); text-transform: uppercase; }
.panel-title [lang="ar"] { margin-left: 6px; text-transform: none; letter-spacing: 0; color: var(--ink-3); font-size: 13px; }
.clock { margin-left: auto; font-variant-numeric: tabular-nums; }
.feed { list-style: none; margin: 0; padding: 6px 0; }
.feed li { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; padding: 12px 16px; border-bottom: 1px solid var(--line); animation: rise .6s ease both; }
.feed li:nth-child(2) { animation-delay: .12s; }
.feed li:nth-child(3) { animation-delay: .24s; }
.feed li:nth-child(4) { animation-delay: .36s; border-bottom: 0; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }
.feed b { display: block; font-weight: 500; font-size: 14px; line-height: 1.4; }
.feed span:not(.sev) { display: block; margin-top: 3px; color: var(--ink-3); font: 400 12px/1.4 var(--mono); }
.sev { display: inline-grid; place-items: center; width: 32px; height: 22px; border-radius: 5px; font: 600 11px/1 var(--mono); margin-top: 1px; }
.sev.s4 { color: var(--s4); background: rgba(240, 90, 90, .14); box-shadow: inset 0 0 0 1px rgba(240, 90, 90, .35); }
.sev.s3 { color: var(--s3); background: rgba(242, 139, 90, .14); box-shadow: inset 0 0 0 1px rgba(242, 139, 90, .3); }
.sev.s2 { color: var(--s2); background: rgba(245, 184, 61, .14); box-shadow: inset 0 0 0 1px rgba(245, 184, 61, .3); }
.sev.s1 { color: var(--s1); background: rgba(138, 151, 168, .14); box-shadow: inset 0 0 0 1px rgba(138, 151, 168, .3); }
.why { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 16px; background: rgba(10, 13, 16, .6); border-top: 1px solid var(--line); }
.why-q { color: var(--ink-2); font-size: 13px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { display: inline-block; padding: 3px 8px; border-radius: 5px; font: 500 11px/1.3 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.tag.fact { color: var(--good); background: var(--good-soft); }
.tag.claim { color: var(--s2); background: rgba(245, 184, 61, .14); }
.tag.assess { color: var(--accent); background: var(--accent-soft); }
.tag.hypo { color: #c3a6ff; background: rgba(195, 166, 255, .14); }
.tag.ind { color: var(--s3); background: rgba(242, 139, 90, .14); }
.panel figcaption { position: absolute; right: 12px; bottom: -26px; color: var(--ink-3); font: 400 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }

.sources { position: relative; display: flex; align-items: center; gap: 20px; margin-top: clamp(56px, 8vw, 96px); padding-top: 22px; padding-bottom: 22px; border-top: 1px solid var(--line); }
.sources-label { color: var(--ink-3); font: 500 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; flex: none; }
.sources ul { display: flex; flex-wrap: wrap; gap: 8px 28px; list-style: none; margin: 0; padding: 0; color: var(--ink-2); font-size: 14px; }
.sources li { position: relative; }
.sources li + li::before { content: ""; position: absolute; left: -16px; top: 50%; width: 4px; height: 4px; margin-top: -2px; border-radius: 50%; background: var(--ink-3); }

/* Bands */
.band { padding: clamp(64px, 9vw, 112px) 0; border-bottom: 1px solid var(--line); }
.band-head { display: grid; grid-template-columns: auto 1fr auto; column-gap: 16px; align-items: baseline; margin-bottom: clamp(32px, 5vw, 52px); }
.index { color: var(--accent); font: 500 13px/1 var(--mono); letter-spacing: .1em; }
.band-head h2 { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.15; }
.band-head .ar { color: var(--ink-3); font-size: 16px; }
.band-lede { grid-column: 2 / -1; margin-top: 12px; max-width: 40em; color: var(--ink-2); font-size: 17px; }

/* Pipeline */
.pipeline { position: relative; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; list-style: none; margin: 0; padding: 0; counter-reset: step; }
.pipeline::before { content: ""; position: absolute; left: 0; right: 0; top: 17px; height: 1px; background: linear-gradient(90deg, rgba(var(--accent-rgb), .5), var(--line-strong) 60%, rgba(var(--accent-rgb), .5)); }
.pipeline li { position: relative; counter-increment: step; }
.pipeline li::before {
  content: counter(step, decimal-leading-zero);
  position: relative; display: grid; place-items: center;
  width: 36px; height: 36px; margin-bottom: 18px;
  border-radius: 50%; background: var(--bg); border: 1px solid var(--line-strong);
  color: var(--ink-2); font: 500 12px/1 var(--mono);
}
.pipeline li.key::before { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.step { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.pipeline li.key .step { color: var(--accent); }
.pipeline p { color: var(--ink-2); font-size: 14px; line-height: 1.55; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card { padding: 28px 26px 30px; background: var(--bg); transition: background .2s ease; }
.card:hover { background: var(--surface); }
.card svg { width: 26px; height: 26px; margin-bottom: 18px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 15px; }

/* Discipline */
.discipline { background: linear-gradient(180deg, var(--bg), var(--bg-deep)); }
.labels { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin: 0; }
.labels > div { padding: 20px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.labels dt { margin-bottom: 12px; }
.labels .tag { font-size: 12px; padding: 4px 9px; }
.labels dd { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.55; }
.note { margin-top: 24px; color: var(--ink-3); font-size: 14px; }
.note b { color: var(--ink-2); font-weight: 600; }

/* Audiences & trust */
.audiences, .trust { display: grid; gap: 12px; }
.audiences { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.trust { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.audiences > div, .trust > div { padding: 24px 22px 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.audiences h3, .trust h3 { font-size: 17px; margin-bottom: 8px; }
.audiences p, .trust p { color: var(--ink-2); font-size: 15px; }
.trust > div { position: relative; padding-top: 30px; }
.trust > div::before { content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); }

/* Waitlist */
.waitlist { background: radial-gradient(ellipse 60% 70% at 15% 40%, rgba(var(--accent-rgb), .10), transparent 70%), var(--bg); }
.waitlist-inner { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.waitlist-copy .index { margin-bottom: 14px; }
.waitlist-copy h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.1; }
.waitlist-copy .ar { margin-top: 8px; color: var(--ink-3); }
.waitlist-copy > p:not(.index):not(.ar) { margin-top: 18px; color: var(--ink-2); font-size: 17px; }
.checks { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 28px; color: var(--ink-2); font-size: 15px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--accent-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%236ea8fe' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.form-shell { padding: clamp(20px, 3vw, 32px); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 14px; box-shadow: 0 30px 60px -40px rgba(0, 0, 0, .8); }
.signup { display: grid; gap: 18px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 7px; min-width: 0; margin: 0; padding: 0; border: 0; }
.field label, .field legend { font-size: 14px; font-weight: 500; color: var(--ink); padding: 0; }
.field legend { margin-bottom: 9px; }
.opt { margin-left: 4px; color: var(--ink-3); font-weight: 400; font-size: 12px; }
.err { min-height: 0; color: var(--s4); font-size: 13px; }
.err:empty { display: none; }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.choices label { display: flex; align-items: center; gap: 10px; min-height: 42px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--bg-deep); font-weight: 400; font-size: 14px; color: var(--ink-2); cursor: pointer; transition: border-color .15s ease, background .15s ease, color .15s ease; }
.choices label:hover { border-color: rgba(255, 255, 255, .26); }
.choices input { width: 16px; height: 16px; min-height: 0; margin: 0; padding: 0; accent-color: var(--accent); flex: none; cursor: pointer; }
.choices label:has(input:checked) { border-color: rgba(var(--accent-rgb), .6); background: var(--accent-soft); color: var(--ink); }
.choices label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.status { font-size: 14px; color: var(--ink-2); text-align: center; }
.status:empty { display: none; }
.status.error { color: var(--s4); }
.done { display: grid; justify-items: center; gap: 10px; padding: 36px 12px; text-align: center; outline: none; }
.done svg { width: 56px; height: 56px; margin-bottom: 8px; fill: none; stroke: var(--good); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.done svg circle { stroke: rgba(60, 207, 122, .35); fill: var(--good-soft); }
.done h3 { font-size: 24px; }
.done p { color: var(--ink-2); max-width: 26em; }
.done .position { font: 600 44px/1 var(--mono); color: var(--accent); letter-spacing: -.02em; margin: 6px 0 2px; }

/* FAQ */
.faq-wrap { max-width: 880px; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0; font-weight: 500; font-size: 17px; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; color: var(--ink-3); font: 400 22px/1 var(--mono); transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--accent); }
.faq details p { padding: 0 0 22px; color: var(--ink-2); max-width: 44em; }

/* Footer */
.footer { padding: 40px 0 48px; background: var(--bg-deep); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; color: var(--ink-2); font-size: 14px; }
.footer .muted { margin-left: auto; }
.footer .contact, .faq details p a { color: var(--accent); text-decoration: none; }
.footer .contact:hover, .faq details p a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 1020px) {
  .pipeline { grid-template-columns: repeat(4, minmax(0, 1fr)); row-gap: 32px; }
  .pipeline::before { display: none; }
  .labels { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .audiences { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-inner .btn { margin-left: auto; }
  .hero-inner, .waitlist-inner { grid-template-columns: 1fr; }
  .panel { max-width: 560px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust { grid-template-columns: 1fr; }
  .band-head { grid-template-columns: auto 1fr; }
  .band-head .ar { grid-column: 2; grid-row: 2; margin-top: 4px; }
  .band-lede { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .capture { flex-direction: column; }
  .capture .btn { width: 100%; }
  .pipeline { grid-template-columns: 1fr; row-gap: 0; }
  .pipeline li { display: grid; grid-template-columns: 36px 1fr; column-gap: 16px; padding-bottom: 22px; }
  .pipeline li::before { grid-row: span 2; margin: 0; }
  .pipeline li:not(:last-child)::after { content: ""; position: absolute; left: 18px; top: 40px; bottom: 4px; width: 1px; background: var(--line-strong); }
  .cards, .labels, .audiences, .row, .choices { grid-template-columns: 1fr; }
  .sources { flex-direction: column; align-items: flex-start; gap: 12px; }
  .panel-title [lang="ar"] { display: none; }
  .band-head { column-gap: 12px; }
  .footer .muted { margin-left: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}