:root {
  --bg: #0a0a0b;
  --surface: #121316;
  --surface-soft: #171a1f;
  --text: #f8fafc;
  --muted: #a1a1aa;
  --primary: #22c55e;
  --primary-dark: #16a34a;
  --border: #27272a;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container { width: min(1100px, 92%); margin: 0 auto; }
.section { padding: 72px 0; }
.muted { background: #0f1115; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 10, 11, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .2px;
  text-decoration: none;
  color: inherit;
}
.brand-logo {
  height: 52px;
  width: auto;
  display: block;
  border-radius: 10px;
  background: #f6f2e9;
}
.brand-logo-footer { height: 64px; }

h1 { font-size: clamp(1.95rem, 3vw, 3.1rem); line-height: 1.12; margin: 12px 0 16px; }
h2 { font-size: clamp(1.45rem, 2vw, 2.05rem); margin: 0 0 12px; line-height: 1.25; }
h3 { margin: 0 0 10px; }
h4 { margin: 0 0 10px; font-size: 1rem; }

p { color: var(--muted); line-height: 1.72; margin: 0; }
.eyebrow { color: #86efac; font-weight: 700; }
.lead { max-width: 62ch; }

.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; align-items: start; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

.hero-card, .about-card, .about-highlight, .feature-card, form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.hero-card { padding: 22px; }
.hero-card ol { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.8; }

.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
.about-card, .about-highlight { padding: 24px; }
.about-card p + p { margin-top: 12px; }
.about-highlight ul { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.8; }

.features { margin-top: 18px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.feature-card { padding: 18px; }

.form-wrap { display: grid; gap: 20px; }
form { padding: 20px; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
label { display: grid; gap: 8px; font-weight: 600; font-size: .95rem; color: #e4e4e7; }

.form-section {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #111318;
}
.section-title {
  margin: 0;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #86efac;
}
.field-help { color: var(--muted); font-size: .82rem; font-weight: 500; }

.quick-fill-field { display: grid; gap: 8px; }
.quick-fill-option {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 6px;
  width: fit-content;
  margin-top: -2px;
  font-size: .72rem;
  line-height: 1.2;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
}
.quick-fill-option input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  min-width: 13px;
  margin: 0;
  padding: 0;
  border: 1px solid #52525b;
  border-radius: 3px;
  background: var(--surface-soft);
  display: inline-grid;
  place-content: center;
  cursor: pointer;
}
.quick-fill-option input[type="checkbox"]::after {
  content: "";
  width: 7px;
  height: 4px;
  border-left: 1.5px solid #052e16;
  border-bottom: 1.5px solid #052e16;
  transform: rotate(-45deg) scale(0);
  transition: transform .12s ease;
}
.quick-fill-option input[type="checkbox"]:checked {
  background: var(--primary);
  border-color: var(--primary);
}
.quick-fill-option input[type="checkbox"]:checked::after {
  transform: rotate(-45deg) scale(1);
}
.quick-fill-option input[type="checkbox"]:focus-visible {
  outline: 2px solid rgba(134, 239, 172, .55);
  outline-offset: 2px;
}
.scheduled-field[hidden] { display: none !important; }
.form-status {
  min-height: 1.2em;
  margin: 8px 0 0;
  font-size: .92rem;
  font-weight: 600;
}
.form-status.is-success { color: #86efac; }
.form-status.is-error { color: #fca5a5; }
.btn:disabled { opacity: .65; cursor: not-allowed; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

input, select, textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 13px; font: inherit; color: var(--text); background: var(--surface-soft);
}
input::placeholder, textarea::placeholder { color: #71717a; }
.full-width { grid-column: 1 / -1; }

.btn {
  appearance: none; border: 0; border-radius: 12px; padding: 12px 18px;
  font-weight: 700; text-decoration: none; display: inline-flex;
  align-items: center; justify-content: center; cursor: pointer; transition: .2s ease;
}
.btn-primary { background: var(--primary); color: #052e16; }
.btn-primary:hover { background: var(--primary-dark); color: #eafff2; }
.btn-whatsapp { background: #25d366; color: #052e16; }
.btn-whatsapp:hover { filter: brightness(.95); }
.btn-large { padding: 14px 24px; }

.whatsapp-box { text-align: center; }
.whatsapp-box .btn { margin-top: 16px; }

.site-footer { margin-top: 20px; background: #070809; color: #cbd5e1; border-top: 1px solid var(--border); }
.footer-main {
  display: grid; grid-template-columns: 1.2fr 1fr 1.1fr .8fr;
  gap: 20px; padding: 44px 0 24px;
}
.brand-footer { color: #fff; }
.footer-tagline { margin-top: 12px; max-width: 36ch; color: #94a3b8; }
.footer-col h4 { color: #fff; margin-bottom: 8px; }
.footer-col p { color: #94a3b8; }

.social-links { display: flex; align-items: center; gap: 10px; }
.social-icon-link {
  width: 40px; height: 40px; border-radius: 10px; display: inline-flex;
  align-items: center; justify-content: center; text-decoration: none;
  background: #111318; border: 1px solid #2b2f36;
}
.social-icon-link:hover { border-color: #52525b; transform: translateY(-1px); }
.social-icon-link svg { width: 20px; height: 20px; fill: #e5e7eb; }

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, .2);
  min-height: 64px; display: flex; align-items: center;
}
.footer-bottom p { color: #94a3b8; font-size: .95rem; }

@media (max-width: 980px) {
  .hero-grid, .about-grid, .features, .grid, .footer-main { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .footer-main { gap: 18px; padding-top: 36px; }
}
@media (max-width: 520px) {
  .nav-wrap { min-height: 70px; }
  .brand-logo { height: 44px; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  form { padding: 16px; }
  .quick-fill-option { font-size: .68rem; }
  .footer-bottom { min-height: auto; padding: 14px 0 18px; }
}
