/* Qualico Landing — estilos base */
:root {
  --brand-50: #f0f9ff;
  --brand-100: #e0f2fe;
  --brand-500: #0ea5e9;
  --brand-600: #0284c7;
  --brand-700: #0369a1;
  --ink: #0f172a;      /* slate-900 */
  --muted: #475569;    /* slate-600 */
  --bg: #ffffff;
  --bg-muted: #f8fafc; /* slate-50 */
  --border: #e2e8f0;   /* slate-200 */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 28px; height: 28px; }
.brand-wordmark { font-weight: 700; letter-spacing: 0.5px; font-size: 18px; }
.logo-blue { color: var(--brand-600); }
.logo-dark { color: #1f2937; }

.nav { display: flex; align-items: center; gap: 20px; }
.nav-link { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav-link:hover { color: var(--ink); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 10px; font-weight: 600; text-decoration: none; transition: all .2s ease; }
.btn-primary { background: var(--brand-600); color: #fff; box-shadow: 0 6px 20px rgba(2,132,199,0.25); }
.btn-primary:hover { background: var(--brand-700); transform: translateY(-1px); }
.btn-secondary { color: var(--brand-700); background: var(--brand-100); border: 1px solid var(--brand-100); }
.btn-secondary:hover { background: var(--brand-50); border-color: var(--brand-100); }
.btn-ghost { color: var(--ink); border: 1px solid var(--border); background: #fff; }
.btn-ghost:hover { background: var(--bg-muted); }

/* Hero */
.section-hero {
  padding: 56px 0 48px;
  background: radial-gradient(1000px 380px at 10% -50px, var(--brand-100), transparent),
              radial-gradient(800px 360px at 95% -80px, #dbeafe, transparent);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 32px;
}
.hero-copy h1 { font-size: 40px; line-height: 1.1; margin: 0 0 16px; }
.hero-copy p { font-size: 18px; color: var(--muted); margin: 0 0 24px; }
.hero-actions { display: flex; gap: 12px; }
.hero-trust { margin-top: 18px; }
.trust-label { color: var(--muted); margin-right: 8px; }
.trust-list { display: inline-flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 8px 0 0; }
.trust-list li { background: var(--bg-muted); color: var(--muted); padding: 6px 10px; border-radius: 999px; font-size: 13px; border: 1px solid var(--border); }

.hero-art .art-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(15,23,42,0.08);
  padding: 28px;
}
.hero-art img { width: 100%; height: auto; display: block; }

/* Sections */
.section { padding: 64px 0; }
.section-muted { background: var(--bg-muted); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; margin-bottom: 28px; }
.section-head h2 { font-size: 28px; margin: 0 0 8px; }
.section-head p { color: var(--muted); margin: 0; }

.grid { display: grid; gap: 20px; }
.features-grid { grid-template-columns: repeat(3, 1fr); }
.integrations-grid { grid-template-columns: repeat(6, 1fr); }
.benefits-grid { grid-template-columns: repeat(3, 1fr); }

.card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 20px; box-shadow: 0 8px 18px rgba(15,23,42,0.05); }
.feature h3 { margin: 8px 0; font-size: 18px; }
.feature p { color: var(--muted); margin: 0; }
.feature-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--brand-100); color: var(--brand-700); display: grid; place-items: center; font-size: 20px; }

.integration { background: #fff; border: 1px dashed var(--border); border-radius: 10px; padding: 14px; text-align: center; color: var(--muted); font-weight: 600; }

.benefit h3 { margin: 0 0 8px; font-size: 18px; }
.benefit p { margin: 0; color: var(--muted); }

.cta { text-align: center; margin-top: 28px; background: linear-gradient(180deg, var(--brand-50), #ffffff 60%); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }
.cta h2 { margin: 0 0 8px; }
.cta p { margin: 0 0 16px; color: var(--muted); }
.cta-actions { display: inline-flex; gap: 10px; }

/* Demo form */
.demo-form { margin-top: 18px; text-align: left; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 600; font-size: 14px; color: var(--ink); }
.field input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; }
.field input:focus { outline: 2px solid #93c5fd; border-color: #93c5fd; }
.form-actions { margin-top: 14px; }
.form-note { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.form-status { margin-top: 10px; font-weight: 600; }

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; }
.faq-item > summary { list-style: none; cursor: pointer; font-weight: 700; }
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item[open] > summary { color: var(--brand-700); }
.faq-answer { padding: 8px 2px 2px; color: var(--muted); }
.faq-answer p { margin: 8px 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: #fff; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr; align-items: center; gap: 20px; padding: 24px 0; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 64px; height: 64px; }
.footer-brand .brand-wordmark { font-size: 28px; }
.footer-links { display: flex; gap: 14px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.footer-copy { color: var(--muted); text-align: right; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .integrations-grid { grid-template-columns: repeat(4, 1fr); }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-copy { text-align: center; }
}
@media (max-width: 640px) {
  .hero-copy h1 { font-size: 32px; }
  .features-grid, .integrations-grid, .benefits-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}