/* EvolveBiz AI — shared stylesheet
   Order: tokens → reset → base → layout → components (header, footer, buttons) */

/* ---------- 1. Design tokens ---------- */
:root {
  /* colour */
  --c-ink: #15140f;         /* main text, dark sections */
  --c-graphite: #393833;
  --c-muted: #73716c;       /* secondary text */
  --c-line: #dcdad4;        /* borders */
  --c-mist: #f3f2ef;        /* soft section background */
  --c-paper: #ffffff;
  --c-accent: #3d5afe;      /* EvolveBiz AI blue — buttons, links, focus */
  --c-accent-ink: #ffffff;

  /* type */
  --f-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: clamp(1.125rem, 1rem + 0.4vw, 1.25rem);
  --fs-h3: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --fs-h2: clamp(1.75rem, 1.3rem + 1.8vw, 2.75rem);
  --fs-h1: clamp(2.25rem, 1.5rem + 3.5vw, 4.5rem);

  /* space & shape */
  --gutter: clamp(16px, 4vw, 48px);
  --section-y: clamp(64px, 10vw, 128px);
  --max-w: 1200px;
  --radius: 12px;
  --header-h: 68px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- 3. Base ---------- */
body {
  font-family: var(--f-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-paper);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.02em; font-weight: 600; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { max-width: 65ch; }
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }

.skip-link {
  position: absolute; left: var(--gutter); top: -100px;
  background: var(--c-ink); color: var(--c-paper); padding: 8px 14px; border-radius: 6px;
}
.skip-link:focus { top: 12px; z-index: 100; }

/* ---------- 4. Layout helpers ---------- */
.container { width: 100%; max-width: var(--max-w); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--mist { background: var(--c-mist); }
.section--dark { background: var(--c-ink); color: var(--c-paper); }
.eyebrow { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.12em; color: var(--c-muted); }
.lead { font-size: var(--fs-lg); color: var(--c-graphite); }
.grid { display: grid; gap: clamp(16px, 2.5vw, 32px); grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 22px; border-radius: 999px;
  border: 1px solid transparent; font-weight: 500; text-decoration: none; cursor: pointer;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--c-accent); color: var(--c-accent-ink); }
.btn--ghost { border-color: currentColor; background: transparent; }

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgb(255 255 255 / 0.88); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 16px; }
.logo { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.03em; text-decoration: none; }
.nav { display: flex; gap: 28px; list-style: none; padding: 0; }
.nav a { text-decoration: none; color: var(--c-graphite); }
.nav a:hover { color: var(--c-ink); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; inset: var(--header-h) 0 auto 0;
    flex-direction: column; gap: 0; padding: 8px var(--gutter) 20px;
    background: var(--c-paper); border-bottom: 1px solid var(--c-line);
  }
  .nav:not(.is-open) { display: none; }
  .nav a { display: block; padding: 12px 0; }
  .site-header .btn--primary { display: none; } /* CTA moves into the menu */
}

/* ---------- 7. Footer ---------- */
.site-footer { background: var(--c-ink); color: var(--c-line); padding-block: 56px 32px; font-size: var(--fs-sm); }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--c-paper); }
.site-footer__cols { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }
.site-footer__cols ul { list-style: none; padding: 0; display: grid; gap: 8px; }
.site-footer__legal { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--c-graphite); color: var(--c-muted); }
.site-footer__logo { color: var(--c-paper); margin-bottom: 12px; filter: invert(1) hue-rotate(180deg); } /* img can't inherit currentColor */
.link-btn { background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }
.link-btn:hover { color: var(--c-paper); }
.nav__cta-mobile { display: none; }
@media (max-width: 860px) { .nav__cta-mobile { display: block; } .nav__cta-mobile a { color: var(--c-accent); font-weight: 600; } }

/* ---------- 7b. Cookie consent ---------- */
.consent {
  position: fixed; z-index: 90;
  left: var(--gutter); right: var(--gutter);
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  max-width: 520px; margin-left: auto;
  background: var(--c-paper); color: var(--c-ink);
  border: 1px solid var(--c-line); border-radius: var(--radius);
  box-shadow: 0 12px 40px rgb(0 0 0 / 0.18);
  padding: 22px; font-size: var(--fs-sm);
}
.consent__title { font-size: var(--fs-base); margin-bottom: 8px; }
.consent a { color: var(--c-accent); }
.consent__prefs { display: grid; gap: 10px; margin-top: 14px; }
.consent__prefs label { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; font-weight: 500; }
.consent__prefs span { grid-column: 2; font-weight: 400; color: var(--c-muted); }
.consent__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.consent__actions .btn { flex: 1 1 auto; min-height: 40px; padding: 8px 14px; }

/* ---------- 7c. Legal pages ---------- */
.legal { max-width: 820px; padding-block: clamp(48px, 8vw, 96px); }
.legal h1 { font-size: var(--fs-h2); margin-block: 8px; }
.legal h2 { font-size: var(--fs-h3); margin-block: 40px 12px; scroll-margin-top: calc(var(--header-h) + 16px); }
.legal p, .legal li { color: var(--c-graphite); }
.legal p + p, .legal ul + p, .legal p + ul { margin-top: 12px; }
.legal ul { padding-left: 1.2em; display: grid; gap: 6px; }
.legal a { color: var(--c-accent); }
.legal__meta { font-size: var(--fs-sm); color: var(--c-muted); }
.legal__toc { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 24px; padding: 16px; background: var(--c-mist); border-radius: var(--radius); font-size: var(--fs-sm); }
.legal__facts { display: grid; grid-template-columns: minmax(140px, max-content) 1fr; gap: 12px 24px; margin-top: 32px; }
.legal__facts dt { color: var(--c-muted); }
.legal__facts dd { margin: 0; }
.table-wrap { overflow-x: auto; margin-top: 16px; }
.table-wrap + p { margin-top: 16px; }
.notfound__title { margin-top: 48px; }
.table-wrap table { border-collapse: collapse; width: 100%; font-size: var(--fs-sm); }
.table-wrap th, .table-wrap td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--c-line); vertical-align: top; }
.table-wrap th { background: var(--c-mist); font-weight: 600; }
.site-footer__row { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.site-footer .link-btn { color: inherit; }
@media (max-width: 480px) { .legal__facts { grid-template-columns: 1fr; gap: 2px; } .legal__facts dd { margin-bottom: 12px; } }

/* ---------- 8. Home sections ---------- */
.section h2 + .lead, .section .eyebrow + h2 { margin-top: 12px; }
.section h2 { margin-bottom: 16px; }
.section .grid { margin-top: 40px; }
.section--dark .eyebrow, .section--dark .lead { color: var(--c-line); }

.hero { padding-block: clamp(64px, 10vw, 140px) clamp(56px, 8vw, 112px); background: #050507; color: var(--c-paper); }
.hero .eyebrow { color: #3ff0e6; }
.hero .lead { color: #c9c8d3; }
.hero h1 { background: linear-gradient(90deg, #fff 55%, #b9b4ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .btn--ghost { color: var(--c-paper); }
.hero h1 { margin-block: 16px 24px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__grid { display: grid; gap: 40px; align-items: center; grid-template-columns: 1fr 1.2fr; }
.hero__grid > * { min-width: 0; }
.hero__visual { aspect-ratio: 16 / 10; max-width: 100%; }
.hero__canvas { width: 100%; height: 100%; display: block; }
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { aspect-ratio: 16 / 10; }
}

.card { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.card__tag { align-self: flex-start; font-size: 12px; font-weight: 600; color: var(--c-accent); background: rgb(61 90 254 / 0.08); padding: 4px 10px; border-radius: 999px; }
.card__outcome { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--c-line); font-weight: 500; font-size: var(--fs-sm); }

.demo { display: grid; gap: 32px; align-items: end; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.demo__note { margin-top: 12px; font-size: var(--fs-sm); color: var(--c-muted); }

.steps { list-style: none; padding: 0; }
.step { border-top: 2px solid var(--c-ink); padding-top: 20px; }
.step__num { font-size: var(--fs-sm); color: var(--c-muted); font-variant-numeric: tabular-nums; }
.step h3 { margin-block: 8px; }

.grid h3 { margin-bottom: 8px; }
.pilot { margin-top: 48px; padding: 28px; border-radius: var(--radius); background: var(--c-paper); border-left: 4px solid var(--c-accent); }
.pilot h3 { margin-bottom: 8px; }

.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--c-line); padding-block: 20px; }
.faq summary { cursor: pointer; font-weight: 500; font-size: var(--fs-lg); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--c-muted); transition: transform 0.2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 12px; color: var(--c-graphite); }

.cta { text-align: center; display: grid; justify-items: center; gap: 20px; }
.cta .lead { margin-inline: auto; }
.cta__alt { font-size: var(--fs-sm); color: var(--c-muted); }