:root {
  --ink: #0d0d0d;
  --paper: #f6f7f3;
  --soft: #edefe7;
  --line: #d6d8d0;
  --muted: #73746e;
  --violet: #5f4cec;
  --violet-dark: #4436ac;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Britti Sans", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.5;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.lp-shell { width: min(1240px, calc(100% - 40px)); margin: 0 auto; }
.lp-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(13,13,13,.08);
  background: rgba(246,247,243,.92);
  backdrop-filter: blur(14px);
}
.lp-nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.lp-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 600; text-decoration: none; }
.lp-brand-mark {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  background: url('/images/rendero-mark.svg') center / contain no-repeat;
}
.lp-nav-links { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.lp-nav-links a { text-decoration: none; }
.lp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 9px;
  background: var(--ink);
  color: white;
  font-weight: 600;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}
.lp-button:hover { transform: translateY(-2px); background: #262626; }
.lp-button.is-secondary { background: transparent; color: var(--ink); }
.lp-button.is-secondary:hover { background: white; }
.lp-hero { padding: 92px 0 72px; background: var(--soft); }
.lp-hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 56px; align-items: center; }
.lp-eyebrow { margin: 0 0 18px; color: var(--violet-dark); font-size: 15px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.lp-hero h1 { max-width: 820px; margin: 0; font-size: clamp(48px, 6.1vw, 84px); line-height: .98; letter-spacing: -.045em; }
.lp-lead { max-width: 720px; margin: 26px 0 0; color: #3d3e3a; font-size: 22px; line-height: 1.45; }
.lp-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.lp-note { margin: 13px 0 0; color: var(--muted); font-size: 14px; }
.lp-visual { position: relative; }
.lp-visual img { width: 100%; min-height: 470px; object-fit: cover; border-radius: 22px; box-shadow: 0 24px 60px rgba(13,13,13,.14); }
.lp-visual-badge { position: absolute; left: 18px; bottom: 18px; padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,.9); font-size: 14px; backdrop-filter: blur(8px); }
.lp-proof { border-bottom: 1px solid var(--line); background: white; }
.lp-proof-row { display: grid; grid-template-columns: repeat(4, 1fr); }
.lp-proof-item { min-height: 112px; padding: 26px 22px; border-right: 1px solid var(--line); }
.lp-proof-item:first-child { border-left: 1px solid var(--line); }
.lp-proof-item strong { display: block; font-size: 18px; }
.lp-proof-item span { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.lp-section { padding: 100px 0; }
.lp-section.is-white { background: white; }
.lp-section.is-dark { background: var(--ink); color: white; }
.lp-section-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; margin-bottom: 50px; }
.lp-kicker { margin: 4px 0 0; color: var(--violet); font-size: 15px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; }
.lp-section h2 { max-width: 850px; margin: 0; font-size: clamp(36px, 4vw, 58px); line-height: 1.04; letter-spacing: -.035em; }
.lp-section-copy { max-width: 760px; margin: 20px 0 0; color: #575852; font-size: 20px; }
.is-dark .lp-section-copy { color: rgba(255,255,255,.67); }
.lp-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.lp-card { min-height: 290px; padding: 30px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); }
.lp-card-number { color: var(--violet); font-size: 14px; font-weight: 600; }
.lp-card h3 { margin: 58px 0 12px; font-size: 26px; line-height: 1.1; }
.lp-card p { margin: 0; color: #575852; }
.lp-split { display: grid; grid-template-columns: 1fr 1fr; gap: 58px; align-items: center; }
.lp-split img { width: 100%; border-radius: 18px; }
.lp-list { display: grid; gap: 16px; margin: 30px 0 0; padding: 0; list-style: none; }
.lp-list li { position: relative; padding-left: 32px; color: #d3d4cf; }
.lp-list li::before { content: "✓"; position: absolute; left: 0; color: #c6b2ff; font-weight: 600; }
[dir="rtl"] .lp-list li { padding-right: 32px; padding-left: 0; }
[dir="rtl"] .lp-list li::before { right: 0; left: auto; }
.lp-free { padding: 42px; border-radius: 20px; background: #c6b2ff; color: var(--ink); }
.lp-free-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 42px; align-items: end; }
.lp-free h2 { font-size: clamp(38px, 5vw, 66px); }
.lp-free-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.lp-free-fact { padding: 18px; border: 1px solid rgba(13,13,13,.18); border-radius: 12px; background: rgba(255,255,255,.28); }
.lp-free-fact strong { display: block; font-size: 30px; }
.lp-free-fact span { font-size: 14px; }
.lp-faq { max-width: 900px; margin-left: auto; margin-right: auto; }
.lp-faq details { padding: 24px 0; border-bottom: 1px solid var(--line); }
.lp-faq summary { cursor: pointer; font-size: 22px; font-weight: 600; }
.lp-faq details p { margin: 14px 36px 0 0; color: #575852; }
.lp-final { padding: 100px 0; text-align: center; background: var(--soft); }
.lp-final h2 { max-width: 850px; margin: 0 auto; font-size: clamp(42px, 5vw, 68px); line-height: 1.02; letter-spacing: -.04em; }
.lp-final p { max-width: 680px; margin: 20px auto 30px; color: #575852; font-size: 20px; }
.lp-footer { padding: 54px 0 26px; background: var(--soft); border-top: 1px solid var(--line); }
.lp-footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 44px; }
.lp-footer-title { margin: 0 0 14px; font-size: 16px; font-weight: 600; }
.lp-footer-links { display: grid; gap: 10px; }
.lp-footer-links a { color: var(--muted); font-size: 15px; text-decoration: none; }
.lp-footer-links a:hover { color: var(--ink); }
.lp-footer-links a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.lp-footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

[dir="rtl"] body { text-align: right; }
[dir="rtl"] .lp-nav, [dir="rtl"] .lp-footer-bottom { direction: rtl; }
[dir="rtl"] .lp-brand { direction: ltr; }
[dir="rtl"] .lp-hero-grid, [dir="rtl"] .lp-section-head, [dir="rtl"] .lp-split, [dir="rtl"] .lp-free-grid, [dir="rtl"] .lp-footer-grid { direction: rtl; }
[dir="rtl"] .lp-actions { justify-content: flex-start; }

@media (max-width: 900px) {
  .lp-nav-links a:not(.lp-button) { display: none; }
  .lp-hero { padding: 64px 0 54px; }
  .lp-hero-grid, .lp-section-head, .lp-split, .lp-free-grid { grid-template-columns: 1fr; }
  .lp-visual img { min-height: 360px; }
  .lp-proof-row { grid-template-columns: 1fr 1fr; }
  .lp-proof-item:nth-child(3) { border-left: 1px solid var(--line); }
  .lp-cards { grid-template-columns: 1fr; }
  .lp-card { min-height: 220px; }
  .lp-card h3 { margin-top: 34px; }
  .lp-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .lp-shell { width: min(100% - 28px, 1240px); }
  .lp-nav { min-height: 68px; }
  .lp-nav .lp-button { min-height: 42px; padding: 0 14px; font-size: 13px; }
  .lp-hero h1 { font-size: 46px; }
  .lp-lead { font-size: 19px; }
  .lp-actions { display: grid; }
  .lp-visual img { min-height: 280px; }
  .lp-proof-row { grid-template-columns: 1fr; }
  .lp-proof-item, .lp-proof-item:nth-child(3) { border-left: 1px solid var(--line); }
  .lp-section { padding: 72px 0; }
  .lp-section-head { gap: 16px; }
  .lp-free { padding: 28px 22px; }
  .lp-free-facts { grid-template-columns: 1fr; }
  .lp-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .lp-footer-grid > :first-child { grid-column: 1 / -1; }
  .lp-footer-bottom { flex-direction: column; }
}
