/* ==========================================================================
   Foreground — marketing site
   Design tokens mirror the app (src/app/globals.css) so the site and the
   product read as one thing: soft grey canvas, white cards lifting off it,
   near-black primary, 0.625rem radius.
   ========================================================================== */

:root {
  --bg:            oklch(0.964 0.004 256);
  --fg:            oklch(0.16 0.01 260);
  --card:          oklch(1 0 0);
  --muted:         oklch(0.953 0.006 256);
  --muted-fg:      oklch(0.548 0.015 257);
  --border:        oklch(0.91 0.006 256);
  --primary:       oklch(0.21 0.01 260);
  --primary-fg:    oklch(0.985 0 0);
  --accent:        oklch(0.55 0.17 264);
  --accent-soft:   oklch(0.55 0.17 264 / 0.09);
  --ok:            oklch(0.62 0.15 155);
  --warn:          oklch(0.72 0.15 75);

  --radius: 0.625rem;
  --radius-lg: 1rem;
  --shadow-sm: 0 1px 2px oklch(0.16 0.01 260 / 0.05);
  --shadow: 0 1px 3px oklch(0.16 0.01 260 / 0.07), 0 8px 24px -12px oklch(0.16 0.01 260 / 0.12);
  --shadow-lg: 0 2px 6px oklch(0.16 0.01 260 / 0.06), 0 24px 56px -20px oklch(0.16 0.01 260 / 0.22);

  --maxw: 1140px;
  --gutter: clamp(1.25rem, 5vw, 3rem);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          oklch(0.145 0 0);
    --fg:          oklch(0.985 0 0);
    --card:        oklch(0.205 0 0);
    --muted:       oklch(0.269 0 0);
    --muted-fg:    oklch(0.708 0 0);
    --border:      oklch(1 0 0 / 0.11);
    --primary:     oklch(0.95 0 0);
    --primary-fg:  oklch(0.18 0 0);
    --accent:      oklch(0.72 0.15 264);
    --accent-soft: oklch(0.72 0.15 264 / 0.14);
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.4);
    --shadow: 0 1px 3px oklch(0 0 0 / 0.5), 0 8px 24px -12px oklch(0 0 0 / 0.6);
    --shadow-lg: 0 2px 6px oklch(0 0 0 / 0.5), 0 24px 56px -20px oklch(0 0 0 / 0.7);

    color-scheme: dark;
  }
}

/* -------------------------------------------------------------------------- */
/* Base                                                                       */
/* -------------------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.022em; margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
img, svg { max-width: 100%; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--card); color: var(--fg);
  padding: 0.75rem 1rem; border-radius: var(--radius); z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

/* -------------------------------------------------------------------------- */
/* Layout primitives                                                          */
/* -------------------------------------------------------------------------- */

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: clamp(3.5rem, 9vw, 7rem); }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.875rem;
}

.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); font-weight: 700; }
.section-head p { margin-top: 0.875rem; color: var(--muted-fg); font-size: 1.0625rem; }

/* -------------------------------------------------------------------------- */
/* Header                                                                     */
/* -------------------------------------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.site-header .wrap {
  display: flex; align-items: center; gap: 1rem;
  height: 4rem;
}
.site-header nav { margin-left: auto; display: flex; align-items: center; gap: 0.375rem; }

.brand { display: inline-flex; align-items: center; gap: 0.625rem; text-decoration: none; }
.brand span {
  font-size: 1.1875rem; font-weight: 700; letter-spacing: -0.03em; text-transform: lowercase;
}

.navlink {
  display: none;
  padding: 0.5rem 0.75rem; border-radius: var(--radius);
  font-size: 0.9375rem; font-weight: 500; color: var(--muted-fg); text-decoration: none;
}
.navlink:hover { color: var(--fg); background: var(--muted); }
@media (min-width: 860px) { .navlink { display: inline-block; } }

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.6875rem 1.125rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 0.9375rem; font-weight: 600; line-height: 1;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: transform 0.12s ease, background-color 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--primary); color: var(--primary-fg); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: color-mix(in oklab, var(--primary) 88%, var(--accent)); }

.btn-ghost { color: var(--fg); border-color: var(--border); background: var(--card); }
.btn-ghost:hover { background: var(--muted); }

.btn-lg { padding: 0.875rem 1.5rem; font-size: 1rem; }
.btn-sm { padding: 0.5rem 0.875rem; font-size: 0.875rem; }

/* -------------------------------------------------------------------------- */
/* Hero                                                                       */
/* -------------------------------------------------------------------------- */

.hero { padding-block: clamp(3rem, 8vw, 6rem) clamp(3rem, 7vw, 5.5rem); }
.hero-grid {
  display: grid; gap: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
}

.hero h1 {
  /* Capped well below the column width: at 3.75rem the headline broke to five lines on a
     1440px screen and overpowered everything below it. */
  font-size: clamp(2.125rem, 4.3vw, 3.125rem);
  font-weight: 750;
  letter-spacing: -0.035em;
}
.hero h1 em { font-style: normal; color: var(--accent); }

.hero-sub {
  margin-top: 1.25rem;
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  color: var(--muted-fg);
  max-width: 34rem;
}

.hero-cta { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* The hero scan box. Stacks on narrow screens so the button never shrinks to a stub. */
.scan-form { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.scan-form input {
  flex: 1 1 15rem;
  min-width: 0;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: 1rem;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
}
.scan-form input::placeholder { color: var(--muted-fg); }
.scan-form input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}
.scan-form .btn { flex: 0 0 auto; }
@media (max-width: 30rem) {
  .scan-form .btn { width: 100%; justify-content: center; }
}

/* Label kept for screen readers without showing above the input. */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.hero-note {
  margin-top: 1.25rem; font-size: 0.875rem; color: var(--muted-fg);
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
}

.pill {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.375rem 0.75rem 0.375rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8125rem; font-weight: 600;
  margin-bottom: 1.25rem;
}
.pill .dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }

/* The "what an answer engine says about you" mock -------------------------- */

.answer-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1.25rem;
  font-size: 0.9375rem;
}
.answer-head {
  display: flex; align-items: center; gap: 0.625rem;
  padding-bottom: 0.875rem; margin-bottom: 0.875rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted-fg); font-size: 0.8125rem; font-weight: 600;
}
.answer-q { font-weight: 600; margin-bottom: 0.75rem; }
.answer-body { color: var(--muted-fg); line-height: 1.65; }
.answer-body mark {
  background: var(--accent-soft); color: var(--accent);
  font-weight: 650; padding: 0.075em 0.3em; border-radius: 5px;
}
.answer-cites {
  margin-top: 1rem; padding-top: 0.875rem; border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 0.4375rem;
}
.cite {
  font-size: 0.75rem; font-weight: 500;
  padding: 0.25rem 0.5rem; border-radius: 6px;
  background: var(--muted); color: var(--muted-fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.cite.is-you { background: var(--accent-soft); color: var(--accent); font-weight: 650; }

/* -------------------------------------------------------------------------- */
/* Logos / proof strip                                                        */
/* -------------------------------------------------------------------------- */

.proof { padding-block: 0 clamp(2.5rem, 6vw, 4rem); }
.proof-inner {
  border-block: 1px solid var(--border);
  padding-block: 1.5rem;
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}
.proof-item { display: flex; flex-direction: column; gap: 0.25rem; }
.proof-item dt { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.proof-item dd { margin: 0; font-size: 0.875rem; color: var(--muted-fg); }

/* -------------------------------------------------------------------------- */
/* Steps                                                                      */
/* -------------------------------------------------------------------------- */

.steps { display: grid; gap: 1.25rem; grid-template-columns: 1fr; counter-reset: step; }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }

.step {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.step-n {
  counter-increment: step;
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.75rem; height: 1.75rem; border-radius: 8px;
  background: var(--primary); color: var(--primary-fg);
  font-size: 0.8125rem; font-weight: 700;
  margin-bottom: 1rem;
}
.step-n::before { content: counter(step); }
.step h3 { font-size: 1.0625rem; font-weight: 650; margin-bottom: 0.5rem; }
.step p { color: var(--muted-fg); font-size: 0.9375rem; }

/* -------------------------------------------------------------------------- */
/* Feature grid                                                               */
/* -------------------------------------------------------------------------- */

.features { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 680px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(3, 1fr); } }

.feature {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.feature .ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: 9px;
  background: var(--accent-soft); color: var(--accent);
  margin-bottom: 1rem;
}
.feature h3 { font-size: 1rem; font-weight: 650; margin-bottom: 0.5rem; }
.feature p { color: var(--muted-fg); font-size: 0.9375rem; }

/* -------------------------------------------------------------------------- */
/* Agency band                                                                */
/* -------------------------------------------------------------------------- */

.band {
  background: var(--card);
  border-block: 1px solid var(--border);
}
.band-grid { display: grid; gap: clamp(2rem, 4vw, 3.5rem); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 900px) { .band-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }

.checklist { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 0.875rem; }
.checklist li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.9375rem; }
.checklist svg { flex: none; margin-top: 0.2em; color: var(--ok); }
.checklist strong { font-weight: 650; }
.checklist span { color: var(--muted-fg); }

/* Roster mock */
.roster { display: grid; gap: 0.625rem; }
.roster-row {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.8125rem 1rem;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 0.875rem;
}
.roster-row .avatar {
  width: 1.75rem; height: 1.75rem; border-radius: 7px; flex: none;
  background: var(--muted); color: var(--muted-fg);
  display: grid; place-items: center; font-size: 0.75rem; font-weight: 700;
}
.roster-row .score { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 650; }
.roster-row.hidden-row { opacity: 0.45; }
.roster-row.hidden-row .name { filter: blur(4px); user-select: none; }
.roster-caption { margin-top: 0.875rem; font-size: 0.8125rem; color: var(--muted-fg); }

/* -------------------------------------------------------------------------- */
/* FAQ                                                                        */
/* -------------------------------------------------------------------------- */

.faq { max-width: 48rem; }
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 1.125rem 0;
}
.faq details:first-of-type { border-top: 1px solid var(--border); }
.faq summary {
  cursor: pointer; list-style: none;
  font-weight: 600; font-size: 1.0625rem;
  display: flex; align-items: flex-start; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; margin-left: auto; flex: none;
  font-weight: 400; font-size: 1.5rem; line-height: 1; color: var(--muted-fg);
  transition: transform 0.2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 0.75rem; color: var(--muted-fg); max-width: 44rem; }

/* -------------------------------------------------------------------------- */
/* CTA                                                                        */
/* -------------------------------------------------------------------------- */

.cta-box {
  background: var(--primary); color: var(--primary-fg);
  border-radius: var(--radius-lg);
  padding: clamp(2.25rem, 5vw, 3.5rem);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-box h2 { font-size: clamp(1.625rem, 3.4vw, 2.25rem); font-weight: 700; }
.cta-box p {
  margin-top: 0.875rem; margin-inline: auto; max-width: 34rem;
  color: color-mix(in oklab, var(--primary-fg) 74%, transparent);
}
.cta-box .btn { margin-top: 1.75rem; background: var(--primary-fg); color: var(--primary); }
.cta-box .btn:hover { background: color-mix(in oklab, var(--primary-fg) 90%, var(--accent)); }

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */

.site-footer { border-top: 1px solid var(--border); padding-block: 2.5rem 3rem; }
.footer-grid {
  display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; align-items: center;
}
.footer-grid nav { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-left: auto; }
.footer-grid a { color: var(--muted-fg); text-decoration: none; font-size: 0.875rem; }
.footer-grid a:hover { color: var(--fg); }
.copyright { width: 100%; margin-top: 1.5rem; font-size: 0.8125rem; color: var(--muted-fg); }
.tagline { font-size: 0.875rem; color: var(--muted-fg); margin-top: 0.375rem; }