/* Liderecomia — sistema de design global */

:root {
  --green: #1D9E75;
  --green-dark: #0F6E56;
  --green-deeper: #085041;
  --green-light: #5DCAA5;
  --green-pale: #E1F5EE;
  --black: #0a0a0a;
  --ink: #111111;
  --ink-mid: #2a2a2a;
  --paper: #f4f2ec;
  --paper-2: #ebe8df;
  --paper-3: #faf8f3;
  --text: #111111;
  --text-mid: #444441;
  --text-muted: #6a6962;
  --text-faint: #888780;
  --line: #d3d1c7;
  --line-soft: #e5e4dd;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--green); color: #fff; }

html { scroll-behavior: smooth; }
body {
  font-family: 'Geist', -apple-system, sans-serif;
  background: var(--paper);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.55;
}

a { color: inherit; }

/* ═════════════════════════════════════════════ NAV ═════ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 242, 236, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-brand svg { display: block; }
.nav-brand-text {
  font-family: 'Geist', sans-serif; font-size: 15px;
  display: flex; align-items: baseline; gap: 4px;
  color: var(--ink);
}
.nav-brand-text .lead { font-weight: 600; }
.nav-brand-text .light { font-weight: 300; color: var(--text-muted); }
.nav-brand-text .ia { font-weight: 700; color: var(--green-dark); }

.nav-links {
  display: flex; gap: 32px;
  font-size: 14px; color: var(--text-mid);
}
.nav-links a {
  text-decoration: none; padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color .18s, border-color .18s;
}
.nav-links a:hover, .nav-links a.is-active {
  color: var(--ink);
  border-bottom-color: var(--green);
}

.nav-cta {
  font-family: 'Geist', sans-serif;
  background: var(--ink); color: #fff;
  padding: 11px 20px; border-radius: 10px;
  font-size: 13px; font-weight: 500;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .2s, transform .2s;
}
.nav-cta:hover { background: var(--green-dark); transform: translateY(-1px); }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-inner { padding: 16px 20px; }
}

/* ═════════════════════════════════════════════ FOOTER ═════ */
.footer {
  background: var(--black);
  color: #888;
  padding: 80px 32px 36px;
  margin-top: 80px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid #1f1f1f;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}
.footer h4 {
  font-family: 'Geist Mono', monospace;
  font-size: 11px; font-weight: 500;
  color: #ddd;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 16px;
}
.footer ul { list-style: none; }
.footer ul li {
  padding: 7px 0;
  font-size: 14px;
}
.footer ul a { text-decoration: none; color: #888; transition: color .18s; }
.footer ul a:hover { color: var(--green-light); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px;
  font-family: 'Geist Mono', monospace;
  font-size: 11px; letter-spacing: 0.05em; color: #555;
}
.footer-brand-block {
  font-family: 'Libre Baskerville', serif;
  font-size: 28px; font-weight: 300;
  color: #f0f0eb;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.footer-brand-block em { font-style: italic; color: var(--green-light); font-weight: 400; }
.footer-tag {
  font-size: 13px; line-height: 1.6; color: #888;
  max-width: 320px;
}

/* ═════════════════════════════════════════════ TIPOGRAFIA ═════ */
.serif { font-family: 'Libre Baskerville', serif; font-weight: 300; letter-spacing: -0.025em; }
.serif em { font-style: italic; font-weight: 400; color: var(--green-dark); }
.mono { font-family: 'Geist Mono', monospace; }

.eyebrow {
  font-family: 'Geist Mono', monospace;
  font-size: 11px; font-weight: 500;
  color: var(--green-dark);
  letter-spacing: 0.14em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before {
  content: ''; width: 18px; height: 1px; background: var(--green-dark);
}

/* ═════════════════════════════════════════════ BUTTONS ═════ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 11px;
  font-family: 'Geist', sans-serif;
  font-size: 14px; font-weight: 500;
  text-decoration: none;
  cursor: pointer; border: none;
  transition: all .2s ease;
  letter-spacing: 0.005em;
}
.btn-primary {
  background: var(--ink); color: #fff;
}
.btn-primary:hover {
  background: var(--green-dark); transform: translateY(-1px);
  box-shadow: 0 12px 30px -16px rgba(15,110,86,.5);
}
.btn-ghost {
  background: transparent; color: var(--ink);
  border-bottom: 1px solid var(--ink);
  border-radius: 0; padding: 6px 0;
}
.btn-ghost:hover { color: var(--green-dark); border-color: var(--green-dark); }

.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ═════════════════════════════════════════════ CONTAINER ═════ */
.wrap {
  max-width: 1240px; margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 760px) { .wrap { padding: 0 20px; } }

/* ═════════════════════════════════════════════ PAGE HEADERS ═════ */
.page-head {
  padding: 88px 0 56px;
  border-bottom: 1px solid var(--line-soft);
}
.page-head .wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; align-items: end; }
.page-head h1 {
  font-family: 'Libre Baskerville', serif; font-weight: 300;
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1; letter-spacing: -0.035em;
  color: var(--ink);
}
.page-head h1 em { font-style: italic; color: var(--green-dark); font-weight: 400; }
.page-head p {
  font-size: 18px; line-height: 1.6; color: var(--text-mid);
  max-width: 560px;
}
@media (max-width: 760px) {
  .page-head { padding: 56px 0 40px; }
  .page-head .wrap { grid-template-columns: 1fr; gap: 24px; }
  .page-head p { font-size: 16px; }
}

/* ═════════════════════════════════════════════ SECTION HELPERS ═════ */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
@media (max-width: 760px) { .section { padding: 64px 0; } }

.rule {
  height: 1px; background: var(--line-soft);
  margin: 64px 0;
}

.callout {
  background: var(--ink); color: #f5f5f0;
  padding: 80px 56px;
  border-radius: 18px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
  align-items: center;
  position: relative; overflow: hidden;
}
.callout::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 0%, rgba(29,158,117,0.18), transparent 55%),
    linear-gradient(180deg, transparent, rgba(0,0,0,0.4));
  pointer-events: none;
}
.callout > * { position: relative; z-index: 1; }
.callout h2 {
  font-family: 'Libre Baskerville', serif; font-weight: 300;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.05; letter-spacing: -0.025em;
  color: #f5f5f0;
}
.callout h2 em { font-style: italic; color: var(--green-light); font-weight: 400; }
.callout p { color: #aaa; font-size: 16px; line-height: 1.65; margin-bottom: 28px; }
@media (max-width: 760px) {
  .callout { grid-template-columns: 1fr; padding: 48px 28px; }
}