/* Gestión RAMS Ferroviaria (via) — landing pública.
   Lenguaje visual alineado con forma.videorams.online: mismos tokens de marca
   (azul #0B3D91, naranja #E8762D), misma tipografía y mismos componentes
   (cabecera sticky, hero con tarjeta de panel, tarjetas de producto, flujo,
   rejilla de módulos, acceso y pie). */

:root {
  --blue: #0B3D91;
  --blue-dark: #082B66;
  --blue-soft: #EAF1FC;
  --orange: #E8762D;
  --orange-dark: #C95E1C;
  --cta-orange: #B34700;
  --cta-orange-dark: #8A3600;
  --orange-soft: #FFF2E9;
  --ink: #152033;
  --muted: #5E6878;
  --line: #DCE3ED;
  --surface: #FFFFFF;
  --surface-soft: #F5F8FC;
  --success: #19764D;
  --shadow: 0 18px 50px rgba(11, 61, 145, 0.12);
  --shadow-soft: 0 10px 30px rgba(23, 37, 61, 0.08);
  --radius: 18px;
  --radius-small: 12px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
section[id] { scroll-margin-top: 90px; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 1000;
  padding: 10px 14px; color: #FFF; background: var(--blue-dark);
  border-radius: 8px; transform: translateY(-150%); transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(220, 227, 237, .9);
  backdrop-filter: blur(14px);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  color: var(--blue); text-decoration: none;
  font-size: 1.2rem; font-weight: 800; letter-spacing: -.02em;
}
.brand-mark {
  position: relative; width: 38px; height: 38px; flex: 0 0 38px;
  overflow: hidden; background: var(--blue); border-radius: 10px;
  box-shadow: 0 7px 18px rgba(11, 61, 145, .2);
  display: grid; place-items: center; color: #FFF; font-weight: 900; font-size: .95rem;
}
.brand-mark::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 6px; background: var(--orange);
}
.brand small { display: block; color: var(--muted); font-size: .74rem; font-weight: 600; letter-spacing: 0; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: #38455A; text-decoration: none; font-size: .92rem; font-weight: 650; }
/* El botón de la cabecera va sobre fondo azul: el texto debe ser blanco
   (.nav-links a tiene más especificidad que .button y lo dejaba oscuro). */
.nav-links .button { color: #FFFFFF; }
.nav-links a:not(.button):hover { color: var(--blue); }

/* ---------- Botones ---------- */
.button {
  display: inline-flex; min-height: 48px; align-items: center; justify-content: center;
  gap: 9px; padding: 12px 20px; color: #FFF; background: var(--blue);
  border: 2px solid var(--blue); border-radius: 10px; text-decoration: none;
  font-weight: 750; line-height: 1.2; cursor: pointer;
  box-shadow: 0 9px 22px rgba(11, 61, 145, .16);
  transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.button:hover {
  background: var(--blue-dark); border-color: var(--blue-dark);
  box-shadow: 0 12px 28px rgba(11, 61, 145, .24); transform: translateY(-2px);
}
.button:focus-visible, a:focus-visible { outline: 3px solid rgba(232, 118, 45, .45); outline-offset: 3px; }
.button-orange { background: var(--cta-orange); border-color: var(--cta-orange); box-shadow: 0 9px 22px rgba(179, 71, 0, .22); }
.button-orange:hover { background: var(--cta-orange-dark); border-color: var(--cta-orange-dark); }
.button-secondary { color: var(--blue); background: transparent; border-color: #B9C9E3; box-shadow: none; }
.button-secondary:hover { color: var(--blue-dark); background: var(--blue-soft); border-color: var(--blue); box-shadow: none; }
.button-large { min-height: 56px; padding: 15px 25px; font-size: 1.03rem; }

/* ---------- Rótulo de sección ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px;
  color: var(--blue); font-size: .79rem; font-weight: 800;
  letter-spacing: .12em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 27px; height: 3px; background: var(--orange); border-radius: 999px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; padding: 90px 0 86px;
  background:
    radial-gradient(circle at 87% 18%, rgba(232, 118, 45, .13), transparent 27%),
    linear-gradient(135deg, #F8FAFE 0%, #FFFFFF 52%, #EFF5FE 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .45; pointer-events: none;
  background-image:
    linear-gradient(rgba(11, 61, 145, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 61, 145, .035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to right, transparent, #000 65%);
}
.hero-grid {
  position: relative; display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr);
  align-items: center; gap: 72px;
}
.hero h1 {
  max-width: 760px; margin: 0; color: #11203A;
  font-size: clamp(2.4rem, 4.6vw, 3.95rem); line-height: 1.06; letter-spacing: -.05em;
}
.hero h1 span { color: var(--blue); }
.hero-lead {
  max-width: 680px; margin: 24px 0 0; color: #4F5C70;
  font-size: clamp(1.06rem, 2vw, 1.2rem); line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
.hero-note { display: flex; align-items: center; gap: 10px; margin: 22px 0 0; color: var(--muted); font-size: .91rem; }
.status-dot {
  width: 9px; height: 9px; flex: 0 0 auto; background: var(--success);
  border-radius: 50%; box-shadow: 0 0 0 5px rgba(25, 118, 77, .1);
}

/* Tarjeta de panel (equivalente al preview de forma) */
.panel-preview {
  position: relative; padding: 18px; background: #FFF;
  border: 1px solid #DCE5F2; border-radius: 22px;
  box-shadow: 0 28px 70px rgba(11, 61, 145, .18);
}
.panel-preview::before {
  content: ""; position: absolute; z-index: -1; width: 150px; height: 150px;
  right: -35px; bottom: -35px; background: var(--orange);
  border-radius: 30px; opacity: .13; transform: rotate(15deg);
}
.preview-top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 4px 2px 16px; border-bottom: 1px solid var(--line);
}
.preview-title { display: flex; align-items: center; gap: 10px; color: var(--blue-dark); font-size: .93rem; font-weight: 800; }
.preview-live {
  padding: 5px 9px; color: var(--success); background: #EAF7F0;
  border-radius: 999px; font-size: .72rem; font-weight: 800;
  letter-spacing: .04em; text-transform: uppercase;
}
.panel-card { margin-top: 16px; padding: 18px; background: var(--surface-soft); border: 1px solid #E3E9F1; border-radius: 14px; }
.panel-label {
  margin: 0 0 5px; color: var(--muted); font-size: .74rem; font-weight: 750;
  text-transform: uppercase; letter-spacing: .08em;
}
.panel-card h2 { margin: 0; color: #1D2A3E; font-size: 1.02rem; line-height: 1.4; }
.panel-score { display: flex; align-items: baseline; gap: 8px; margin-top: 6px; }
.panel-score strong { color: var(--blue); font-size: 2.1rem; line-height: 1; letter-spacing: -.03em; }
.panel-score span { color: var(--muted); font-size: .82rem; font-weight: 650; }
.progress-meta { display: flex; justify-content: space-between; gap: 15px; margin-top: 15px; color: var(--muted); font-size: .82rem; font-weight: 650; }
.progress { height: 8px; margin-top: 8px; overflow: hidden; background: #DCE4EF; border-radius: 99px; }
.progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), #3975C8); border-radius: inherit; }
.output-list { display: grid; gap: 9px; margin-top: 15px; }
.output-row {
  display: grid; grid-template-columns: 32px 1fr auto; align-items: center; gap: 10px;
  padding: 10px; color: #38455A; background: #FFF; border: 1px solid #E0E7F0;
  border-radius: 10px; font-size: .81rem; font-weight: 700;
}
.file-icon {
  display: grid; width: 32px; height: 32px; place-items: center; color: var(--blue);
  background: var(--blue-soft); border-radius: 8px; font-size: .66rem; font-weight: 900;
}
.file-status { color: var(--success); font-size: .73rem; }
.file-status.pending { color: var(--orange-dark); }
.file-status.wip { color: var(--muted); }

/* ---------- Secciones ---------- */
.section { padding: 92px 0; }
.section-soft { background: var(--surface-soft); border-top: 1px solid #EDF1F6; border-bottom: 1px solid #EDF1F6; }
.section-heading { max-width: 760px; margin-bottom: 42px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading h2 { margin: 0; color: #14233C; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; letter-spacing: -.035em; }
.section-heading p { margin: 17px 0 0; color: var(--muted); font-size: 1.08rem; }

/* ---------- Tarjetas de producto ---------- */
.products-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.product-card {
  overflow: hidden; background: #FFF; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.product-visual {
  position: relative; aspect-ratio: 16 / 7; overflow: hidden;
  background: linear-gradient(135deg, var(--blue-soft), #FFFFFF);
  border-bottom: 1px solid var(--line); display: grid; place-items: center; padding: 18px;
}
.product-visual svg { width: 100%; height: 100%; }
.product-badge {
  position: absolute; top: 15px; left: 15px; padding: 7px 10px; color: #FFF;
  background: rgba(8, 43, 102, .92); border-radius: 7px; font-size: .72rem;
  font-weight: 850; letter-spacing: .07em; text-transform: uppercase; backdrop-filter: blur(7px);
}
.product-content { padding: 25px 26px 27px; }
.product-content h3 { margin: 0; color: var(--blue-dark); font-size: 1.25rem; }
.product-content p { margin: 10px 0 0; color: var(--muted); }
.feature-list { display: grid; gap: 8px; margin: 17px 0 0; padding: 0; list-style: none; }
.feature-list li { display: flex; gap: 9px; color: #3C485B; font-size: .91rem; }
.feature-list li::before { content: "✓"; color: var(--success); font-weight: 900; }

/* ---------- Flujo ---------- */
.workflow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin-bottom: 56px; }
.workflow-step { position: relative; padding: 22px; background: #FFF; border: 1px solid var(--line); border-radius: var(--radius-small); }
.step-number {
  display: grid; width: 34px; height: 34px; place-items: center; margin-bottom: 12px;
  color: #FFF; background: var(--blue); border-radius: 10px; font-weight: 850;
}
.workflow-step h3 { margin: 0 0 8px; color: var(--blue-dark); font-size: 1.06rem; }
.workflow-step p { margin: 0; color: var(--muted); font-size: .93rem; }

/* ---------- Rejilla de módulos ---------- */
.modules-title { margin: 0 0 20px; color: var(--blue-dark); font-size: 1.1rem; }
.modules-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.module-card { padding: 18px; background: #FFF; border: 1px solid var(--line); border-radius: var(--radius-small); }
.module-icon {
  display: grid; width: 38px; height: 38px; place-items: center; margin-bottom: 11px;
  color: var(--blue); background: var(--blue-soft); border-radius: 10px;
  font-size: .74rem; font-weight: 900; letter-spacing: .02em;
}
.module-card h4 { margin: 0 0 6px; color: #1D2A3E; font-size: .98rem; }
.module-card p { margin: 0; color: var(--muted); font-size: .86rem; }

/* ---------- Público ---------- */
.audience-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.audience-card { padding: 22px; background: #FFF; border: 1px solid var(--line); border-radius: var(--radius-small); }
.audience-card:nth-child(even) { background: #FBFCFE; }
.audience-card h3 { margin: 0 0 8px; color: var(--blue-dark); font-size: 1.02rem; }
.audience-card p { margin: 0; color: var(--muted); font-size: .9rem; }

/* ---------- Normas ---------- */
.norms-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.norm-card {
  display: grid; grid-template-columns: 54px 1fr; gap: 14px; align-items: start;
  padding: 20px; background: #FFF; border: 1px solid var(--line); border-radius: var(--radius-small);
  box-shadow: var(--shadow-soft);
}
.norm-mark {
  display: grid; width: 54px; height: 54px; place-items: center; color: #FFF;
  background: linear-gradient(140deg, var(--blue-dark), var(--blue));
  border-radius: 12px; font-size: .78rem; font-weight: 900; line-height: 1.1; text-align: center;
}
.norm-card h3 { margin: 0 0 5px; color: var(--blue-dark); font-size: .98rem; }
.norm-card p { margin: 0; color: var(--muted); font-size: .87rem; }

/* ---------- Acceso ---------- */
.access-section { padding: 88px 0; background: linear-gradient(130deg, var(--blue-dark), var(--blue) 70%); color: #EAF1FC; }
.access-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: 56px; align-items: center; }
.access-copy .eyebrow { color: #FFC49D; }
.access-copy .eyebrow::before { background: var(--orange); }
.access-copy h2 { margin: 0; color: #FFF; font-size: clamp(1.9rem, 3.6vw, 2.7rem); line-height: 1.18; letter-spacing: -.03em; }
.access-copy > p { margin: 17px 0 0; color: #C6D6F0; font-size: 1.05rem; }
.access-benefits { display: grid; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.access-benefits li { display: flex; gap: 10px; color: #DCE7F8; font-size: .95rem; }
.access-benefits li::before { content: "✓"; color: #FFC49D; font-weight: 900; }
.access-panel { padding: 28px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .22); border-radius: var(--radius); text-align: center; }
.access-panel h3 { margin: 0 0 8px; color: #FFF; font-size: 1.2rem; }
.access-panel p { margin: 0 0 18px; color: #C6D6F0; font-size: .93rem; }
.access-panel .button { width: 100%; }
.security-note { display: flex; gap: 12px; margin-top: 46px; padding: 18px 20px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .18); border-radius: var(--radius-small); }
.lock-icon { flex: 0 0 auto; width: 34px; height: 34px; display: grid; place-items: center; background: rgba(255, 255, 255, .14); border-radius: 9px; }
.security-note p { margin: 0; color: #C6D6F0; font-size: .85rem; }

/* ---------- Pie ---------- */
.site-footer { padding: 34px 0 25px; color: #C9D6E9; background: #071D3E; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-bottom: 24px; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.site-footer .brand { color: #FFF; }
.site-footer .brand small { color: #9FB5D4; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 22px; }
.footer-links a { color: #DCE7F8; text-decoration: none; font-size: .9rem; font-weight: 650; }
.footer-links a:hover { color: #FFF; text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-top: 21px; font-size: .82rem; }
.footer-bottom p { margin: 0; }
.ai-notice { color: #FFC49D; }

/* ---------- Adaptación ---------- */
@media (max-width: 980px) {
  .nav { min-height: auto; padding: 14px 0; }
  .nav-links a:not(.button) { display: none; }
  .hero-grid, .access-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 50px; }
  .panel-preview { max-width: 650px; }
  .modules-grid, .audience-grid, .norms-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workflow { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .site-header .button { min-height: 42px; padding: 9px 13px; font-size: .84rem; }
  .brand { font-size: 1.05rem; }
  .brand-mark { width: 34px; height: 34px; flex-basis: 34px; }
  .hero { padding: 56px 0 54px; }
  .section { padding: 62px 0; }
  .access-section { padding: 60px 0; }
  .products-grid, .modules-grid, .audience-grid, .norms-grid { grid-template-columns: 1fr; }
  .footer-main, .footer-bottom { flex-direction: column; align-items: flex-start; gap: 14px; }
  .footer-links { justify-content: flex-start; gap: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}