/* AGNT AI — Geist system, light-first, restrained. Blue accent belongs to Grant. */
:root {
  --bg: #ffffff;
  --surface: #fafafa;
  --surface-2: #f4f4f5;
  --border: #eaeaea;
  --border-strong: #d4d4d4;
  --text: #171717;
  --muted: #666666;
  --faint: #999999;
  --accent: #0070f3;
  --accent-soft: rgba(0,112,243,0.08);
  --success: #0a7d33;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --maxw: 1080px;
  --font: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --surface: #0a0a0a;
    --surface-2: #111113;
    --border: #1f1f1f;
    --border-strong: #2a2a2a;
    --text: #ededed;
    --muted: #a0a0a0;
    --faint: #6e6e6e;
    --accent: #3694ff;
    --accent-soft: rgba(54,148,255,0.10);
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }

/* Header */
header.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.agnt-logo { height: 26px; width: auto; }
.brand .agnt-logo { height: 24px; }
@media (prefers-color-scheme: dark) { .agnt-logo { filter: invert(1); } }
/* Grant mark is white-on-transparent: show dark in light mode, white in dark mode */
.grant-mark { filter: invert(1); }
@media (prefers-color-scheme: dark) { .grant-mark { filter: none; } }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--text); color: var(--bg);
  padding: 8px 16px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 500;
}
@media (max-width: 760px) { .nav-links a:not(.nav-cta) { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 500; font-size: 15px; border-radius: var(--radius-sm);
  padding: 12px 22px; cursor: pointer; border: 1px solid transparent;
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { opacity: .9; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface); }
.btn-accent { background: var(--accent); color: #fff; }

/* Hero */
.hero { padding: 84px 0 64px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 500; color: var(--accent);
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 22px;
  letter-spacing: 0.01em;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
h1 {
  font-size: clamp(34px, 5vw, 56px); line-height: 1.04; letter-spacing: -0.03em;
  font-weight: 600; margin-bottom: 22px;
}
h1 .accent { color: var(--accent); }
.lede { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 32em; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-sub { margin-top: 22px; font-size: 13px; color: var(--faint); display: flex; gap: 18px; flex-wrap: wrap; }
.hero-sub span { display: inline-flex; align-items: center; gap: 7px; }
.check { color: var(--success); font-weight: 600; }

/* Phone mockup */
.phone-stage { display: flex; justify-content: center; align-items: center; position: relative; }
.glow { position: absolute; inset: -10% 10% auto 10%; height: 60%; background: radial-gradient(closest-side, var(--accent-soft), transparent 70%); filter: blur(20px); z-index: 0; }
.phone {
  position: relative; z-index: 1; width: 280px; border-radius: 40px;
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.25), 0 0 0 1px var(--border);
  padding: 12px;
}
@media (prefers-color-scheme: dark) { .phone { box-shadow: 0 30px 60px -20px rgba(0,0,0,0.7), 0 0 0 1px var(--border); } }
.phone-screen { background: #000; border-radius: 30px; overflow: hidden; border: 1px solid var(--border); }
.app-shot { display: block; width: 100%; height: auto; }
.split .visual .phone { width: 248px; }
.phone-notch { height: 26px; display: flex; justify-content: center; }
.phone-notch::after { content:""; width: 110px; height: 22px; background: var(--surface-2); border-radius: 0 0 14px 14px; }
.app-top { padding: 14px 16px 8px; display: flex; align-items: center; gap: 10px; }
.app-top img { height: 26px; width: 26px; }
.app-top .t { font-weight: 600; font-size: 15px; }
.app-top .t small { display: block; color: var(--faint); font-size: 11px; font-weight: 400; }
.receipt {
  margin: 8px 14px; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface);
}
.receipt.strong { border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); background: var(--accent-soft); }
.receipt .label { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); font-weight: 600; margin-bottom: 5px; }
.receipt .title { font-size: 13px; font-weight: 500; line-height: 1.35; }
.receipt .meta { font-size: 11px; color: var(--faint); margin-top: 6px; font-family: var(--mono); }
.receipt .act { margin-top: 9px; font-size: 12px; font-weight: 500; color: var(--accent); }

/* Logos / trust row */
.trust { padding: 26px 0 0; }
.trust p { text-align: center; color: var(--faint); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.trust .row { display: flex; gap: 30px; justify-content: center; flex-wrap: wrap; margin-top: 14px; color: var(--muted); font-size: 14px; font-weight: 500; }
.trust .row span { opacity: .8; }

/* Sections */
section { padding: 76px 0; }
.section-head { max-width: 40em; margin-bottom: 44px; }
.kicker { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
h2 { font-size: clamp(26px, 3.6vw, 38px); letter-spacing: -0.025em; font-weight: 600; line-height: 1.1; }
.section-head p { margin-top: 16px; color: var(--muted); font-size: 17px; }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 880px) { .features { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 24px; transition: border-color .15s ease;
}
.card:hover { border-color: var(--border-strong); }
.card .ic {
  width: 38px; height: 38px; border-radius: 9px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 16px; border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
}
.card h3 { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--muted); line-height: 1.55; }

/* Split product blocks */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split.rev .visual { order: 2; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: 28px; } .split.rev .visual { order: 0; } }
.split .visual {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; min-height: 300px;
  display: flex; align-items: center; justify-content: center;
}
.badge { display:inline-block; font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft); border:1px solid color-mix(in srgb, var(--accent) 20%, transparent); padding: 4px 11px; border-radius: 999px; margin-bottom: 16px; }
.split h2 { margin-bottom: 16px; }
.split ul { list-style: none; margin-top: 22px; display: grid; gap: 12px; }
.split li { display: flex; gap: 12px; font-size: 15px; color: var(--text); align-items: flex-start; }
.split li .ck { color: var(--accent); flex: none; margin-top: 2px; }
.split li b { font-weight: 600; }
.split li span.d { color: var(--muted); }

/* Portal screen mock */
.portal-mock { width: 100%; }
.portal-mock .bar { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.portal-mock .bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); display:block; }
.portal-mock .body { padding: 16px; display: grid; gap: 10px; }
.row-item { display: flex; justify-content: space-between; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 11px 13px; font-size: 13px; }
.row-item .l { display: flex; gap: 10px; align-items: center; }
.row-item .pill { font-size: 11px; font-family: var(--mono); padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.row-item .pill.ok { background: rgba(10,125,51,.1); color: var(--success); }
.row-item .amt { font-family: var(--mono); font-weight: 500; }

/* How it works */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; counter-reset: s; }
@media (max-width: 880px){ .steps { grid-template-columns: 1fr; } }
.step { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); }
.step .n { font-family: var(--mono); font-size: 13px; color: var(--accent); font-weight: 600; }
.step h3 { font-size: 16px; margin: 10px 0 8px; font-weight: 600; }
.step p { font-size: 14px; color: var(--muted); }

/* CTA / lead form */
.cta-band { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 880px){ .cta-grid { grid-template-columns: 1fr; gap: 28px; } }
form.lead { display: grid; gap: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px){ .field-row { grid-template-columns: 1fr; } }
.lead input, .lead textarea {
  width: 100%; font-family: var(--font); font-size: 15px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 12px 14px; transition: border-color .15s ease;
}
.lead input:focus, .lead textarea:focus { outline: none; border-color: var(--accent); }
.lead label.opt { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted); }
.lead label.opt input { width: auto; }
.lead .msg { font-size: 14px; padding: 10px 0; }
.lead .msg.ok { color: var(--success); }
.lead .msg.err { color: #e5484d; }

/* FAQ */
.faq { display: grid; gap: 0; max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 500; font-size: 16px; list-style: none; display: flex; justify-content: space-between; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--faint); font-size: 20px; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin-top: 12px; color: var(--muted); font-size: 15px; }

/* Footer */
footer { padding: 56px 0 40px; border-top: 1px solid var(--border); }
.foot-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; }
.foot-brand { max-width: 280px; }
.foot-brand .agnt-logo { height: 24px; margin-bottom: 14px; }
.foot-brand p { font-size: 13px; color: var(--muted); }
.foot-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.foot-col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--faint); margin-bottom: 14px; }
.foot-col a { display: block; font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.foot-col a:hover { color: var(--text); }
.foot-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--faint); }

/* Legal pages */
.legal { max-width: 760px; margin: 0 auto; padding: 60px 0; }
.legal h1 { font-size: 34px; margin-bottom: 8px; }
.legal .updated { color: var(--faint); font-size: 14px; margin-bottom: 36px; font-family: var(--mono); }
.legal h2 { font-size: 21px; margin: 34px 0 12px; }
.legal h3 { font-size: 17px; margin: 22px 0 8px; }
.legal p, .legal li { color: var(--muted); font-size: 15px; margin-bottom: 12px; }
.legal ul { padding-left: 22px; }
.legal a { color: var(--accent); }
.back { display:inline-flex; gap: 8px; align-items:center; color: var(--muted); font-size: 14px; margin-bottom: 30px; }