/* DataStated marketing site: dark, product-forward.
   One deliberate theme (near-black, faint olive cast), one accent
   (acid lime), Geist + Geist Mono. Radius: controls 8px,
   cards and frames 14px. */

@font-face {
  font-family: "Geist";
  src: url("fonts/geist-latin.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("fonts/geist-mono-latin.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #0b0d09;
  --surface: #10130d;
  --surface-2: #161a11;
  --ink: #eff3e9;
  --ink-2: #a4ac9a;
  --ink-3: #6b7361;
  --line: #22261c;
  --line-2: #2e3325;
  --acc: #c6f24e;
  --acc-dim: #97bd35;
  --acc-soft: #1a2210;
  --radius-ctl: 8px;
  --radius-card: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --mono: "Geist Mono", ui-monospace, "SF Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Geist", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
::selection { background: var(--acc); color: #131a05; }

h1, h2, h3 { line-height: 1.08; letter-spacing: -0.025em; font-weight: 620; }
h1 { font-size: clamp(2.4rem, 5.6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.06rem; letter-spacing: -0.01em; }

section { padding: 104px 24px; max-width: 1160px; margin: 0 auto; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-ctl);
  font-weight: 580;
  font-size: 0.96rem;
  text-decoration: none;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary { background: var(--acc); color: #131a05; }
.btn-primary:hover { background: #d5f876; }
.btn-ghost { border: 1px solid var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink-3); }
.btn-block { display: block; text-align: center; }
.btn-lg { padding: 15px 32px; font-size: 1.05rem; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 13, 9, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto; height: 64px; padding: 0 24px;
  display: flex; align-items: center; gap: 32px;
}
.wordmark { font-weight: 660; font-size: 1.12rem; text-decoration: none; letter-spacing: -0.02em; }
.wordmark span { color: var(--acc); }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { text-decoration: none; font-size: 0.92rem; color: var(--ink-2); transition: color 0.15s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-cta { padding: 9px 18px; font-size: 0.88rem; }

/* Hero: centered copy over the product stage */
.hero { text-align: center; padding-top: 76px; padding-bottom: 90px; }
.hero h1 { max-width: 21ch; margin: 0 auto; }
.hero-sub {
  margin: 22px auto 0; font-size: 1.14rem; color: var(--ink-2); max-width: 36rem;
}
.hero-ctas { margin-top: 34px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.stage { position: relative; margin-top: 64px; }
.stage::before {
  content: ""; position: absolute; inset: -8% -12% auto -12%; height: 90%;
  background: radial-gradient(55% 60% at 50% 30%, rgba(198, 242, 78, 0.08), transparent 70%);
  pointer-events: none;
}
.stage-frame {
  position: relative;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(198, 242, 78, 0.05),
    0 30px 80px -30px rgba(0, 0, 0, 0.8);
}
.receipt {
  position: absolute; right: -12px; top: -46px; width: 330px;
  text-align: left;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-card);
  padding: 20px 22px 18px;
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.85);
}
.receipt-title { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-3); margin-bottom: 10px; text-transform: none; }
.receipt-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 9px 0; border-bottom: 1px solid var(--line);
}
.receipt-row dt { color: var(--ink-2); font-size: 0.88rem; }
.receipt-row dd { font-family: var(--mono); font-weight: 560; font-size: 0.96rem; }
.receipt-verdict { margin-top: 14px; }
.receipt-verdict p:first-child { font-weight: 600; letter-spacing: -0.01em; font-size: 0.95rem; }
.receipt-verdict-sub { color: var(--acc); font-weight: 580; margin-top: 2px; font-size: 0.95rem; }

/* Problem */
.problem { text-align: center; }
.problem-body { margin: 18px auto 0; max-width: 38rem; color: var(--ink-2); font-size: 1.05rem; }
.claim-math {
  margin: 46px auto 0; display: flex; align-items: stretch; justify-content: center;
  gap: 14px; flex-wrap: wrap;
}
.claim-chip {
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius-card); padding: 16px 22px; min-width: 136px;
}
.claim-src { display: block; font-size: 0.8rem; color: var(--ink-3); }
.claim-n { display: block; font-family: var(--mono); font-size: 1.35rem; font-weight: 600; margin-top: 4px; }
.claim-plus, .claim-eq { align-self: center; color: var(--ink-3); font-size: 1.2rem; font-family: var(--mono); }
.claim-total .claim-n { position: relative; }
.claim-total .claim-n::after {
  content: ""; position: absolute; left: -2px; right: -2px; top: 50%;
  height: 2px; background: var(--acc);
  transform: scaleX(1); transform-origin: left;
}
.js .claim-total .claim-n::after {
  transform: scaleX(0);
  transition: transform 350ms var(--ease) 320ms;
}
.js .claim-math.in .claim-total .claim-n::after { transform: scaleX(1); }
.claim-truth {
  background: var(--acc-soft); border: 1px solid var(--acc-dim);
  border-radius: var(--radius-card); padding: 16px 22px; min-width: 136px;
}
.claim-truth .claim-n { color: var(--acc); }
.problem-close { margin: 42px auto 0; max-width: 40rem; color: var(--ink-2); }

/* How */
.how h2 { margin-bottom: 40px; }
.how-steps { list-style: none; display: grid; gap: 0; }
.how-step {
  display: grid; grid-template-columns: 1fr 2fr; gap: 24px;
  padding: 32px 0; border-top: 1px solid var(--line);
}
.how-step p { color: var(--ink-2); max-width: 34rem; }
/* Bento */
.included h2 { margin-bottom: 38px; }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.cell {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-card); padding: 26px; grid-column: span 2;
  transition: border-color 0.2s var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .cell:hover { border-color: var(--line-2); }
}
.cell p { color: var(--ink-2); font-size: 0.94rem; margin-top: 8px; }
.cell-ai { grid-column: span 3; background: var(--acc-soft); border-color: #3a4618; }
.cell-agent { grid-column: span 3; background: var(--surface-2); }
.cell-wide { grid-column: span 6; }
.ai-list { list-style: none; display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.ai-list li {
  font-family: var(--mono); font-size: 0.76rem; padding: 4px 11px;
  border: 1px solid #4c5c2066; border-radius: 999px; background: var(--bg);
  color: var(--acc);
}
.agent-quote {
  font-family: var(--mono); margin-top: 18px; padding: 12px 16px;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius-ctl); font-size: 0.88rem !important;
  color: var(--ink) !important;
}

/* Pricing */
.pricing { text-align: center; }
.pricing-sub { color: var(--ink-2); margin-top: 12px; }
.slider-wrap { max-width: 480px; margin: 44px auto 0; }
.slider-readout { font-size: 1.3rem; font-weight: 620; margin-bottom: 16px; }
.slider-readout span { font-family: var(--mono); color: var(--acc); }
input[type="range"] { width: 100%; accent-color: var(--acc); }
.slider-ends { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 0.78rem; color: var(--ink-3); margin-top: 8px; }

.price-card {
  max-width: 480px; margin: 28px auto 0; background: var(--surface);
  border: 1px solid var(--line-2); border-radius: var(--radius-card); padding: 28px;
  text-align: left;
}
.price-top { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 20px; }
.price-figure { font-size: 2.9rem; font-weight: 640; letter-spacing: -0.03em; line-height: 1; }
.price-figure #price { font-family: var(--mono); }
.price-per { font-size: 1rem; color: var(--ink-2); font-weight: 400; margin-left: 4px; }
.price-meta { text-align: right; font-size: 0.9rem; color: var(--ink-2); }
.price-meta span { font-family: var(--mono); color: var(--ink); }
.price-note { text-align: center; font-size: 0.82rem; color: var(--ink-3); margin-top: 12px; }

.receipts {
  list-style: none; margin-top: 60px; display: grid;
  grid-template-columns: repeat(3, 1fr); gap: 32px; text-align: left;
}
.receipts h3 { color: var(--acc); }
.receipts p { color: var(--ink-2); font-size: 0.94rem; margin-top: 8px; }

/* FAQ */
.faq { max-width: 760px; }
.faq h2 { margin-bottom: 28px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary {
  cursor: pointer; padding: 19px 0; font-weight: 560; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-list summary::after { content: "+"; font-family: var(--mono); color: var(--ink-3); transition: transform 0.2s var(--ease); }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { padding: 0 0 19px; color: var(--ink-2); max-width: 60ch; }

/* Closer */
.closer { text-align: center; padding-top: 120px; padding-bottom: 120px; }
.closer p { color: var(--ink-2); margin: 14px 0 30px; }

/* Footer */
.footer { border-top: 1px solid var(--line); }
.footer-inner {
  max-width: 1160px; margin: 0 auto; padding: 38px 24px;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.footer-links { display: flex; gap: 20px; margin-left: auto; }
.footer-links a { font-size: 0.88rem; color: var(--ink-2); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.footer-legal { width: 100%; font-size: 0.8rem; color: var(--ink-3); }

/* Motion layer (unchanged mechanics: CSS load-in, IO reveals under .js) */
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.load { animation: rise 500ms var(--ease) both; animation-delay: var(--d, 0ms); }

.js .reveal {
  opacity: 0; transform: translateY(14px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease);
  transition-delay: calc(var(--i, 0) * 60ms);
}
.js .reveal-scale { transform: translateY(14px) scale(0.985); }
.js .reveal.in { opacity: 1; transform: none; }

.nav { transition: box-shadow 200ms var(--ease); }
.nav-scrolled { box-shadow: 0 8px 30px -18px rgba(0, 0, 0, 0.9); }

@supports (interpolate-size: allow-keywords) {
  :root { interpolate-size: allow-keywords; }
  .faq-list details::details-content {
    block-size: 0; overflow: clip;
    transition: block-size 250ms var(--ease), content-visibility 250ms allow-discrete;
  }
  .faq-list details[open]::details-content { block-size: auto; }
}

/* Mobile */
@media (max-width: 900px) {
  section { padding: 64px 20px; }
  .hero { padding-top: 48px; }
  .nav-links { display: none; }
  .stage { margin-top: 44px; }
  .receipt { position: static; width: auto; margin-top: 16px; }
  .how-step { grid-template-columns: 1fr; gap: 8px; }
  .how-snippet { grid-column: 1; }
  .bento { grid-template-columns: 1fr; }
  .cell, .cell-ai, .cell-agent, .cell-wide { grid-column: span 1; }
  .receipts { grid-template-columns: 1fr; gap: 24px; }
  .price-top { flex-direction: column; align-items: flex-start; gap: 10px; }
  .price-meta { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .load { animation: none; }
  .js .reveal, .js .reveal-scale { opacity: 1; transform: none; transition: none; }
  .js .claim-total .claim-n::after { transform: scaleX(1); transition: none; }
}