/* Quantaified — brand: Obsidian ink #15171C, Rosa mexicano #E4007C (on light),
   Rosa on dark #FF2E93, Paper #F6F5F1, Space Grotesk. Text is #000 / #fff (house rule);
   the brand ink and paper are backgrounds only. Hierarchy comes from size and weight only, never a grey or faded text colour. */
@font-face {
  font-family: 'Space Grotesk';
  src: url('/fonts/space-grotesk.woff2') format('woff2');
  font-weight: 300 700;
  font-display: swap;
}

:root {
  --ink: #15171C;
  --paper: #F6F5F1;
  --white: #FFFFFF;
  --rosa: #E4007C;
  --rosa-dark: #FF2E93;
  --rosa-text: #D10072; /* small rosa text on paper: #E4007C is 4.19:1 there, this is 4.87:1 */
  --text: #000000;
  --text-on-dark: #FFFFFF;
  --line: #E4E2DB;
  --radius: 16px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
.defs { position: absolute; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.02em; }
h2 { font-size: clamp(28px, 4.2vw, 44px); line-height: 1.1; max-width: 22ch; }
h3 { font-size: 21px; line-height: 1.25; margin-bottom: 10px; }
p { margin: 0; }
a { color: inherit; }

/* Sections */
.dark { background: var(--ink); color: var(--text-on-dark); --accent: var(--rosa-dark); }
.paper { background: var(--paper); --accent: var(--rosa); --accent-text: var(--rosa-text); }
.paper.alt { background: var(--white); }
.paper.alt .card { background: var(--paper); }
section { padding: 96px 0; }

.eyebrow, .label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.eyebrow { color: var(--accent-text, var(--accent)); margin-bottom: 14px; }
.label { margin-bottom: 12px; }
.lede { font-size: 19px; max-width: 62ch; margin-top: 18px; }

/* Wordmark: the Q mark is the first letter; AI/IA in rosa. */
.wordmark {
  display: inline-flex;
  align-items: baseline;
  font-weight: 600;
  letter-spacing: -0.035em;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.wordmark .ai { color: var(--accent); }
.q { width: 0.98em; height: 0.98em; align-self: center; margin-right: -0.13em; margin-left: -0.09em; transform: translateY(0.12em); color: inherit; }
.q-ring { fill: none; stroke: currentColor; }
.q-wave { fill: none; stroke: var(--accent); }
.wm-sm { font-size: 24px; }
.wm-xl { font-size: clamp(56px, 12vw, 148px); }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 24px;
  padding: 14px 24px;
  background: var(--ink); color: var(--text-on-dark);
  --accent: var(--rosa-dark);
  border-bottom: 1px solid #2A2D35;
}
.top .links { display: flex; gap: 22px; margin-left: auto; font-weight: 500; font-size: 15px; }
.top .links a { text-decoration: none; }
.top .links a:hover { color: var(--rosa-dark); }
.lang { display: flex; border: 1px solid #3A3D46; border-radius: 999px; overflow: hidden; }
.lang button {
  font: inherit; font-size: 13px; font-weight: 600; letter-spacing: 0.08em;
  background: none; color: var(--text-on-dark); border: 0; padding: 6px 12px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--text-on-dark); color: var(--text); }

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 600; font-size: 16px; text-decoration: none;
  padding: 13px 22px; border-radius: 999px;
  background: var(--accent); color: var(--white);
  border: 1px solid var(--accent);
  transition: transform .15s ease;
}
/* White on #FF2E93 is 3.5:1, so buttons on dark use black text (6:1). */
.dark .btn:not(.btn-ghost), .top .btn { color: var(--text); }
.btn:hover { transform: translateY(-1px); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }

/* Hero */
.hero { padding: 120px 0 112px; }
.tagline { font-size: clamp(22px, 3vw, 34px); font-weight: 500; margin-top: 40px; max-width: 30ch; }
.kicker { margin-top: 14px; font-size: 14px; font-weight: 600; letter-spacing: 0.28em; text-transform: uppercase; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }

/* Cards */
.grid { display: grid; gap: 20px; margin-top: 48px; }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px 28px;
  font-size: 16px;
}
.venture { position: relative; text-decoration: none; transition: border-color .15s ease, transform .15s ease; }
.venture:hover { border-color: var(--rosa); transform: translateY(-2px); }
.venture .label { color: var(--rosa-text); text-transform: none; letter-spacing: 0.02em; font-size: 14px; }
.venture .go { position: absolute; top: 22px; right: 24px; font-size: 20px; font-weight: 600; color: var(--rosa); }

/* Contact + footer */
.contact { text-align: left; }
.contact .btn { margin-top: 32px; }
.roots { margin-top: 40px; font-weight: 600; }
.foot { padding: 28px 0; border-top: 1px solid #2A2D35; font-size: 14px; }
.foot .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (max-width: 900px) {
  .grid.four, .grid.three { grid-template-columns: 1fr 1fr; }
  .top .links { display: none; }
  .lang { margin-left: auto; }
}
@media (max-width: 560px) {
  .grid.four, .grid.three { grid-template-columns: 1fr; }
  section { padding: 72px 0; }
  .hero { padding: 88px 0 80px; }
  .top { gap: 12px; padding: 12px 16px; }
  .wm-sm { font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .venture { transition: none; }
}