/* ============================================================
   AI Sales Co-Pilot (a Limitless product) — marketing site styles
   ============================================================ */
:root {
  --bg:        #0a0b14;
  --bg-2:      #0e1020;
  --surface:   #ffffff;
  --surface-2: #f6f6fb;
  --ink:       #14152b;
  --ink-soft:  #51536f;
  --on-dark:   #ececf7;
  --on-dark-soft: #a6a8cc;
  --brand:     #7c3aed;
  --brand-2:   #6366f1;
  --brand-3:   #3b82f6;
  --cyan:      #22d3ee;
  --gold:      #fbbf24;
  --hot:       #f43f5e;
  --ok:        #34d399;
  --border:    #e7e7f1;
  --border-dark: rgba(255,255,255,.10);
  --grad:      linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #3b82f6 100%);
  --grad-soft: linear-gradient(135deg, rgba(139,92,246,.16), rgba(59,130,246,.16));
  --shadow-sm: 0 1px 2px rgba(16,17,40,.06), 0 4px 16px rgba(16,17,40,.06);
  --shadow-md: 0 10px 30px rgba(16,17,40,.10), 0 2px 8px rgba(16,17,40,.06);
  --shadow-lg: 0 30px 70px rgba(16,17,40,.22);
  --radius:    16px;
  --radius-lg: 24px;
  --maxw:      1160px;
  --font:      "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --display:   "Sora", var(--font);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { font-family: var(--display); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 .5em; }
h2 { font-size: clamp(1.8rem, 1.1rem + 2.6vw, 2.9rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }
p  { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 800px; }

.grad-text {
  background: linear-gradient(120deg, #a78bfa, #818cf8 45%, #38bdf8);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.muted { color: var(--ink-soft); font-weight: 500; }

/* skip link */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: #fff; color: var(--ink); padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus { left: 12px; top: 12px; box-shadow: var(--shadow-md); }

/* ============================ Buttons ============================ */
.btn {
  --bg: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-weight: 600; font-size: .95rem; line-height: 1;
  padding: 12px 20px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--lg { padding: 15px 28px; font-size: 1.02rem; }
.btn--block { width: 100%; }
.btn--primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 24px rgba(99,102,241,.40);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(99,102,241,.52); }
.btn--ghost {
  background: rgba(255,255,255,.04); color: var(--on-dark); border-color: var(--border-dark);
}
.btn--ghost:hover { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.25); }
/* ghost button on light sections */
.section .btn--ghost, .feature-banner .btn--ghost { color: var(--ink); border-color: var(--border); background: #fff; }
.section .btn--ghost:hover { border-color: var(--brand); color: var(--brand); }

/* ============================ Nav ============================ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,11,20,.72); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dark);
}
.nav__inner { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark { border-radius: 9px; }
.brand__name { font-family: var(--display); font-weight: 800; font-size: 1.18rem; color: #fff; letter-spacing: -.02em; }
.nav__links { display: flex; gap: 26px; margin-left: auto; }
.nav__links a { color: var(--on-dark-soft); font-weight: 500; font-size: .95rem; transition: color .15s; }
.nav__links a:hover { color: #fff; }
.nav__actions { margin-left: 22px; }
.nav__toggle { display: none; }

/* mobile menu */
.mobile-menu { display: none; }

/* ============================ Hero ============================ */
.hero { position: relative; background: var(--bg); color: var(--on-dark); overflow: hidden; padding: 72px 0 40px; }
.hero__glow {
  position: absolute; inset: -30% -10% auto -10%; height: 720px; pointer-events: none;
  background:
    radial-gradient(60% 60% at 20% 10%, rgba(124,58,237,.42), transparent 60%),
    radial-gradient(55% 55% at 85% 5%, rgba(59,130,246,.34), transparent 60%),
    radial-gradient(40% 40% at 60% 40%, rgba(34,211,238,.16), transparent 60%);
  filter: blur(8px);
}
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 600; letter-spacing: .02em;
  color: var(--on-dark); background: rgba(255,255,255,.06);
  border: 1px solid var(--border-dark); padding: 7px 14px; border-radius: 999px; margin-bottom: 22px;
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(251,191,36,.18); }
.hero__title { font-size: clamp(2.3rem, 1.3rem + 4.2vw, 4rem); color: #fff; margin-bottom: .35em; }
.hero__sub { font-size: clamp(1.05rem, 1rem + .35vw, 1.22rem); color: var(--on-dark-soft); max-width: 36ch; }
.hero__sub strong { color: #fff; font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0 18px; }
.hero__trust { font-size: .85rem; color: var(--on-dark-soft); }

/* ---- hero mockup ---- */
.hero__art { position: relative; }
.mock {
  background: linear-gradient(180deg,#15172b,#101226);
  border: 1px solid var(--border-dark); border-radius: 18px;
  box-shadow: var(--shadow-lg); overflow: hidden; transform: rotate(.6deg);
}
.mock__bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; background: rgba(255,255,255,.03); border-bottom: 1px solid var(--border-dark); }
.mock__dot { width: 10px; height: 10px; border-radius: 50%; background: #3a3d5c; }
.mock__dot:nth-child(1){ background:#ff5f57; } .mock__dot:nth-child(2){ background:#febc2e; } .mock__dot:nth-child(3){ background:#28c840; }
.mock__title { margin-left: 8px; font-size: .8rem; color: var(--on-dark-soft); font-weight: 600; }
.mock__body { padding: 16px; display: grid; gap: 12px; }
.mock__brief { background: var(--grad-soft); border: 1px solid rgba(139,92,246,.30); border-radius: 12px; padding: 12px 14px; }
.mock__brief-head { font-weight: 700; font-size: .82rem; color: #d6ccff; margin-bottom: 4px; }
.mock__brief p { margin: 0; font-size: .82rem; color: var(--on-dark); }
.mock__brief b { color: #fff; }
.spark { color: var(--gold); }
.mock__kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.kpi { background: rgba(255,255,255,.03); border: 1px solid var(--border-dark); border-radius: 10px; padding: 10px; display: grid; gap: 3px; }
.kpi__label { font-size: .65rem; color: var(--on-dark-soft); text-transform: uppercase; letter-spacing: .04em; }
.kpi__val { font-size: 1.15rem; font-weight: 800; color: #fff; font-family: var(--display); }
.kpi__delta { font-size: .68rem; color: var(--on-dark-soft); font-weight: 600; }
.kpi__delta.up { color: var(--ok); } .kpi__delta.down { color: var(--hot); }
.mock__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mock__card { background: rgba(255,255,255,.03); border: 1px solid var(--border-dark); border-radius: 12px; padding: 12px; }
.mock__card-h { font-size: .72rem; font-weight: 700; color: var(--on-dark-soft); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 9px; }
.row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.avatar { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .7rem; font-weight: 700; color: #fff; }
.a1{ background:#8b5cf6;} .a2{ background:#f43f5e;} .a3{ background:#3b82f6;}
.row__name { font-size: .78rem; color: var(--on-dark); flex: 1; }
.tag { font-size: .6rem; font-weight: 700; padding: 3px 7px; border-radius: 999px; background: rgba(255,255,255,.08); color: var(--on-dark-soft); }
.tag--hot { background: rgba(52,211,153,.16); color: #6ee7b7; }
.tag--risk { background: rgba(244,63,94,.16); color: #fda4af; }
.bars { display: grid; gap: 9px; }
.bars__row { font-size: .72rem; color: var(--on-dark-soft); }
.bars__row span { display: block; margin-bottom: 4px; }
.bars__row i { display: block; height: 7px; border-radius: 999px; background: var(--grad); width: var(--w); }
.mock__pitch { margin-top: 10px; font-size: .72rem; font-weight: 700; color: var(--gold); }
.float-card {
  position: absolute; background: #fff; color: var(--ink); font-weight: 700; font-size: .8rem;
  padding: 10px 14px; border-radius: 12px; box-shadow: var(--shadow-md);
}
.float-card--1 { top: -16px; left: -22px; }
.float-card--2 { bottom: -18px; right: -14px; color: var(--brand); }

/* providers strip */
.providers { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; justify-content: center; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--border-dark); }
.providers__label { font-size: .8rem; color: var(--on-dark-soft); }
.providers__logos { display: flex; gap: 14px; flex-wrap: wrap; }
.prov {
  font-weight: 700; color: var(--on-dark); font-size: .92rem; letter-spacing: -.01em;
  padding: 8px 16px; border: 1px solid var(--border-dark); border-radius: 10px; background: rgba(255,255,255,.03);
}

/* ============================ Sections ============================ */
.section { padding: 88px 0; }
.section--alt { background: var(--surface-2); }
.section__head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.kicker { display: inline-block; font-weight: 700; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; color: var(--brand); margin-bottom: 14px; }
.section__lead { color: var(--ink-soft); font-size: 1.1rem; }

/* grids */
.grid { display: grid; gap: 20px; }
.grid--features { grid-template-columns: repeat(4, 1fr); }
.grid--three { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 22px; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #d9d9ec; }
.card--plain { box-shadow: none; }
.card__icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.5rem; background: var(--grad-soft); border: 1px solid rgba(124,58,237,.18); margin-bottom: 16px;
}
.card h3 { margin-bottom: .4em; }
.card p { color: var(--ink-soft); font-size: .95rem; margin: 0; }

.feature-banner {
  margin-top: 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: var(--bg); color: var(--on-dark); border-radius: var(--radius-lg);
  padding: 32px 36px; box-shadow: var(--shadow-md); position: relative; overflow: hidden;
}
.feature-banner::after { content:""; position:absolute; inset:auto -10% -60% auto; width:380px; height:380px; background: radial-gradient(circle, rgba(124,58,237,.5), transparent 60%); pointer-events:none; }
.feature-banner h3 { color: #fff; font-size: 1.4rem; }
.feature-banner p { color: var(--on-dark-soft); margin: 0; max-width: 60ch; }
.feature-banner .btn { position: relative; z-index: 1; flex-shrink: 0; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; counter-reset: step; }
.step { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px; position: relative; }
.step__num {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  font-family: var(--display); font-weight: 800; font-size: 1.2rem; color: #fff; background: var(--grad);
  margin-bottom: 16px; box-shadow: 0 8px 20px rgba(99,102,241,.35);
}
.step p { color: var(--ink-soft); margin: 0; }

/* split (why odoo) */
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 16px; }
.check-list li { position: relative; padding-left: 34px; color: var(--ink-soft); }
.check-list li strong { color: var(--ink); }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--grad); color: #fff; font-size: .75rem; font-weight: 800; display: grid; place-items: center;
}
.split__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow-sm); }
.stat__num { display: block; font-family: var(--display); font-weight: 800; font-size: 2.4rem; line-height: 1; background: var(--grad); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; margin-bottom: 8px; }
.stat__label { color: var(--ink-soft); font-size: .9rem; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq__item { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 4px 20px; box-shadow: var(--shadow-sm); }
.faq__item summary {
  list-style: none; cursor: pointer; font-family: var(--display); font-weight: 700; font-size: 1.05rem;
  padding: 16px 36px 16px 0; position: relative; color: var(--ink);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; font-weight: 400; color: var(--brand); transition: transform .2s ease;
}
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__a { padding: 0 0 16px; }
.faq__a p { color: var(--ink-soft); margin: 0; }

/* CTA + form */
.cta { background: var(--bg); color: var(--on-dark); position: relative; overflow: hidden; }
.cta::before { content:""; position:absolute; inset:-40% 30% auto -10%; height:600px; background: radial-gradient(50% 50% at 30% 20%, rgba(124,58,237,.35), transparent 60%), radial-gradient(40% 40% at 80% 10%, rgba(59,130,246,.28), transparent 60%); pointer-events:none; }
.cta__grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.cta__copy h2 { color: #fff; }
.cta__copy p { color: var(--on-dark-soft); font-size: 1.08rem; }
.cta__points { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; color: var(--on-dark); }
.cta__points li { color: var(--on-dark-soft); }

.form { background: #fff; color: var(--ink); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-lg); }
.form__row { margin-bottom: 16px; }
.form__row label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 6px; color: var(--ink); }
.form__row input, .form__row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  font: inherit; color: var(--ink); background: #fcfcff; transition: border-color .15s, box-shadow .15s;
}
.form__row input:focus, .form__row textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(124,58,237,.14); }
.form__row textarea { resize: vertical; }
.form__note { margin: 12px 0 0; font-size: .9rem; font-weight: 600; text-align: center; min-height: 1.2em; }
.form__note.ok { color: #15803d; } .form__note.err { color: var(--hot); }
.hidden-field { position: absolute; left: -9999px; }

/* ============================ Footer ============================ */
.footer { background: #07080f; color: var(--on-dark-soft); padding: 56px 0 30px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; padding-bottom: 36px; border-bottom: 1px solid var(--border-dark); }
.footer__brand p { margin-top: 14px; max-width: 32ch; font-size: .92rem; }
.footer__col h4 { color: #fff; font-family: var(--font); font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 14px; }
.footer__col a { display: block; color: var(--on-dark-soft); padding: 5px 0; font-size: .94rem; transition: color .15s; }
.footer__col a:hover { color: #fff; }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-size: .85rem; }
.footer__bottom p { margin: 0; }

/* ============================ Reveal animation ============================ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================ Responsive ============================ */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__sub { max-width: 48ch; }
  .hero__art { max-width: 520px; }
  .grid--features { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .cta__grid { grid-template-columns: 1fr; gap: 32px; }
  .feature-banner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 720px) {
  .nav__links, .nav__actions { display: none; }
  .nav__toggle {
    display: inline-flex; flex-direction: column; gap: 5px; margin-left: auto;
    background: none; border: 0; cursor: pointer; padding: 8px;
  }
  .nav__toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: .2s; }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  /* :not([hidden]) so the `hidden` attribute (author origin) still wins and
     the JS toggle can open/close the menu on mobile. */
  .mobile-menu:not([hidden]) { display: grid; gap: 6px; padding: 14px 24px 22px; background: var(--bg-2); border-bottom: 1px solid var(--border-dark); }
  .mobile-menu a { color: var(--on-dark); padding: 12px 4px; font-weight: 600; border-bottom: 1px solid var(--border-dark); }
  .mobile-menu a:last-child { border: 0; margin-top: 6px; }
  .grid--features, .grid--three, .steps, .split__stats { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 32px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .float-card { display: none; }
}