/* Grupo GPAC digital: a light reading site with the group's dark teal (#00303e) as its one brand color. */
:root {
  --teal: #00303e;
  --teal-2: #0b4a5c;
  --mint: #2fb58f;
  --ink: #17242a;
  --muted: #55656c;
  --line: #dfe6e8;
  --paper: #ffffff;
  --wash: #f3f6f6;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--sans); }
a { color: var(--teal-2); text-underline-offset: 3px; }
a:focus-visible { outline: 3px solid var(--mint); outline-offset: 2px; }
img { max-width: 100%; height: auto; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding-inline: 20px; }

/* Header band */
.masthead { background: var(--teal); color: #fff; }
.masthead .bar { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; justify-content: space-between; padding-block: 18px; }
.masthead .brand { display: flex; align-items: center; gap: 14px; color: #fff; text-decoration: none; }
.masthead .brand img { width: 150px; }
.masthead .brand span { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: #bfe9dc; border-left: 1px solid rgba(255,255,255,.3); padding-left: 14px; }
.masthead nav { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 15px; }
.masthead nav a { color: #e8f4f1; text-decoration: none; }
.masthead nav a:hover { color: #fff; text-decoration: underline; }
.hero { padding-block: 56px 64px; }
.hero h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.12; margin: 0 0 18px; max-width: 20ch; text-wrap: balance; }
.hero p { font-size: 19px; color: #d6ebe6; max-width: 62ch; margin: 0; }
.hero .facts { display: flex; flex-wrap: wrap; gap: 12px 36px; margin: 32px 0 0; padding: 0; list-style: none; }
.hero .facts li { font-size: 15px; color: #bfe9dc; }
.hero .facts strong { display: block; font-size: 26px; color: #fff; }

/* Sections */
section { padding-block: 56px; border-bottom: 1px solid var(--line); scroll-margin-top: 12px; }
section:nth-of-type(even) { background: var(--wash); }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-2); margin: 0 0 8px; }
h2 { font-size: clamp(24px, 3.4vw, 32px); line-height: 1.2; margin: 0 0 18px; color: var(--teal); text-wrap: balance; }
h3 { font-size: 19px; margin: 0 0 6px; color: var(--teal); }
.lead { font-size: 19px; max-width: 64ch; margin: 0 0 28px; }
p { max-width: 68ch; margin: 0 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 20px 22px; min-width: 0; }
.note { margin-top: 26px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: 16px; }
.platforms { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; padding: 0; list-style: none; }
.platforms li { border: 1px solid var(--teal-2); color: var(--teal); border-radius: 999px; padding: 4px 14px; font-size: 15px; font-weight: 600; }
.clients { columns: 3 220px; column-gap: 28px; padding: 0; margin: 0; list-style: none; }
.clients li { padding: 6px 0; border-bottom: 1px solid var(--line); break-inside: avoid; }
.contact dl { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 20px; margin: 0; }
.contact dt { font-weight: 600; color: var(--teal); }
.contact dd { margin: 0; }
.checklist { padding-left: 20px; max-width: 68ch; }
.checklist li { margin-bottom: 10px; }
.callout { border-left: 4px solid var(--mint); background: var(--paper); padding: 16px 20px; border-radius: 0 10px 10px 0; max-width: 68ch; }

/* Footer */
.footer { background: var(--teal); color: #cfe5df; font-size: 15px; padding-block: 32px; }
.footer .cols { display: flex; flex-wrap: wrap; gap: 14px 40px; justify-content: space-between; }
.footer a { color: #fff; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 22px; }
.footer p { margin: 0; }

@media (max-width: 560px) {
  .masthead .brand span { display: none; }
  .contact dl { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .contact dd { margin-bottom: 10px; }
}