:root {
  --bg: #f7f7f5;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --brand: #2b564a;
  --brand-weak: #e3efe9;
  --radius: 18px;
  --space: clamp(16px, 2vw, 28px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1080px, 92%);
  margin-inline: auto;
}

.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(6px);
  background: color-mix(in oklab, var(--bg) 85%, white 15%);
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px var(--space);
  border-bottom: 1px solid #eaeaea;
}
.logo { width: 52px; height: auto; display: block; }
.brand { display: flex; align-items: center; gap: 10px; }
.nav { display: flex; gap: 14px; }
.nav a { padding: 8px 12px; border-radius: 999px; }
.btn--ghost { border: 1px solid var(--brand); background: transparent; }

.hero {
  display: grid; gap: var(--space);
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  padding: clamp(28px, 6vw, 80px) 0;
}
.hero-text h1 {
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.1;
  margin: 0 0 12px 0;
}
.hero-text p { color: var(--muted); margin: 0 0 18px 0; }

.hero-image img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,.08);
}

.benefits {
  background: var(--card);
  border-radius: var(--radius);
  padding: clamp(18px, 4vw, 36px);
  margin: 8px auto;
  box-shadow: 0 10px 24px rgba(0,0,0,.05);
}
.benefits h2 { margin: 0 0 10px 0; }
.benefits-list {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  padding-left: 0; list-style: none; margin: 0;
}

.mockup {
  padding: clamp(20px, 5vw, 40px) 0;
}
.mockup img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

.cta {
  text-align: center;
  padding: clamp(24px, 6vw, 60px) 0;
}
.cta p { color: var(--muted); margin-top: 6px; }

.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: .2px;
  border: 0;
  transition: transform .04s ease, box-shadow .2s ease;
  box-shadow: 0 6px 16px color-mix(in oklab, var(--brand) 25%, black 10%);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.site-footer {
  margin-top: 20px;
  padding: 26px var(--space);
  text-align: center;
  color: var(--muted);
  border-top: 1px solid #eaeaea;
}

/* utilidades */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .nav a { display: none; }
}