/* SIGEMANT — landing styles. Vanilla CSS, sin frameworks. */

:root {
  --navy-950: #050b16;
  --navy-900: #081326;
  --navy-800: #0c1d3a;
  --navy-700: #122a52;

  --blue-light: #38bdf8;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --cyan: #22d3ee;
  --indigo: #6366f1;
  --amber: #f59e0b;
  --amber-dark: #b45309;

  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-faint: #8893a1;

  --bg: #ffffff;
  --bg-alt: #eef4fd;
  --border: #e2e8f0;
  --border-strong: #cfe0f7;

  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.09);

  --gradient: linear-gradient(135deg, var(--blue-light), var(--blue-dark));
  --gradient-2: linear-gradient(135deg, var(--cyan), var(--blue));
  --gradient-3: linear-gradient(135deg, var(--blue), var(--indigo));
  --gradient-4: linear-gradient(135deg, var(--indigo), var(--blue-dark));

  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand { display: flex; align-items: center; }
.brand-logo { height: 30px; width: auto; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--blue); }

.nav-cta {
  background: var(--gradient);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 600 !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* Eyebrow labels */
.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin: 0 0 14px;
}
.eyebrow-light { color: var(--blue-dark); }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 90px 0 0;
  background: linear-gradient(180deg, var(--navy-950), var(--navy-900) 60%, var(--navy-800));
  color: #fff;
}

.hero-glow {
  position: absolute;
  top: -220px;
  right: -160px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.35), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 820px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
}

.badge-status {
  background: rgba(245, 158, 11, 0.15);
  color: #fcd34d;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.badge-free {
  background: rgba(56, 189, 248, 0.15);
  color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, 0.35);
}

.badge-progress {
  background: rgba(245, 158, 11, 0.12);
  color: var(--amber-dark);
  border: 1px solid rgba(245, 158, 11, 0.35);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.15rem;
  color: #c7d3e8;
  max-width: 660px;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Hero benefit strip */
.hero-benefits {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-benefit {
  background: var(--navy-900);
  padding: 28px 24px 34px;
}

.hero-benefit-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.hero-benefit-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: #7dd3fc;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-benefit h3 {
  font-size: 0.98rem;
  margin: 0 0 6px;
  color: #fff;
}
.hero-benefit p {
  font-size: 0.86rem;
  color: #93a3bd;
  margin: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.98rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.3);
}

.btn-ghost-dark {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}
.btn-ghost-dark:hover { background: rgba(255, 255, 255, 0.12); }

.btn-white {
  background: #fff;
  color: var(--blue-dark);
}

.btn-white-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-white-outline:hover { background: rgba(255, 255, 255, 0.12); }

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }

.section-head {
  max-width: 720px;
  margin: 0 auto 44px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.section-sub { color: var(--ink-soft); font-size: 1.05rem; margin: 0; }

/* Qué es — cards */
.qa-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.qa-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}
.qa-card-audience { border-left-color: var(--indigo); }

.qa-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.qa-card-audience .qa-icon { background: var(--gradient-3); }
.qa-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #fff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.qa-card h3 { margin: 0 0 10px; font-size: 1.15rem; }
.qa-card p { color: var(--ink-soft); margin: 0; }

.principles { text-align: center; }
.principles-title { font-size: 1.1rem; margin-bottom: 16px; }
.chip-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.chip {
  background: #fff;
  border: 1px solid var(--border-strong);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--blue-dark);
  font-weight: 600;
}
.chip:nth-child(3n+2) { color: var(--indigo); }
.chip:nth-child(3n+3) { color: #0891b2; }

/* Flow */
.flow {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0;
}
.flow li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 18px 10px 10px;
  margin: 6px 10px 6px 0;
  box-shadow: var(--shadow);
}
.flow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.flow-label { font-weight: 600; font-size: 0.92rem; white-space: nowrap; }
.flow-note {
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
  background: #fff;
  border-left: 3px solid var(--blue-light);
  padding: 16px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* Modules */
.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.module-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
}
.module-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.module-card:nth-child(4n+2) .module-icon { background: var(--gradient-2); }
.module-card:nth-child(4n+3) .module-icon { background: var(--gradient-3); }
.module-card:nth-child(4n+4) .module-icon { background: var(--gradient-4); }

.module-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: #fff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.module-card h3 { font-size: 1.02rem; margin: 0 0 8px; }
.module-card p { font-size: 0.92rem; color: var(--ink-soft); margin: 0; }

/* Status */
.status-card {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
}
.status-card h2 { margin: 0 0 18px; }
.status-card p { color: var(--ink-soft); margin: 0 0 14px; text-align: left; }
.status-card p:last-child { margin-bottom: 0; }

/* Closing (ASOL + Contacto) */
.closing {
  background: linear-gradient(135deg, var(--blue-dark), var(--indigo) 60%, var(--navy-900));
  color: #fff;
  padding: 80px 0;
}
.closing-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.closing-col h2 { margin: 0 0 14px; font-size: 1.5rem; }
.closing-col p { color: #dbe4f7; margin: 0 0 26px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo { height: 22px; opacity: 0.8; }
.footer-inner p { color: var(--ink-soft); font-size: 0.85rem; margin: 0; }

/* Responsive */
@media (max-width: 900px) {
  .qa-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-benefits { grid-template-columns: repeat(2, 1fr); }
  .closing-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; width: 100%; color: var(--ink); }
  .nav-cta { margin-top: 8px; text-align: center; }
  .hero { padding-top: 56px; }
  .hero-actions { margin-bottom: 40px; }
  .section { padding: 60px 0; }
  .status-card { padding: 32px 24px; }
}

@media (max-width: 560px) {
  .module-grid { grid-template-columns: 1fr; }
  .hero-benefits { grid-template-columns: 1fr; }
  .flow-label { font-size: 0.85rem; }
}