/* ==========================================================================
   SubliHD B2B — Landing
   Identidad: violeta #452774 (principal), magenta #E6007E (secundario)
   Tipografía: Nunito. Estilo minimalista / profesional (sin rebranding).
   ========================================================================== */

:root {
  --violeta: #452774;
  --violeta-oscuro: #2D1A4D;
  --violeta-claro: #6B4A99;
  --magenta: #E6007E;
  --blanco: #FFFFFF;
  --negro-suave: #1A1A1A;
  --gris-fondo: #F7F4FB;
  --gris-borde: #E4DEEF;
  --gris-texto: #5B5468;

  --font: 'Nunito', system-ui, sans-serif;
  --radius: 14px;
  --container-width: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--negro-suave);
  background: var(--blanco);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--violeta);
}

h2 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); text-align: center; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

p { margin: 0 0 12px; color: var(--gris-texto); }

a { color: inherit; text-decoration: none; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  font-family: var(--font);
  font-weight: 800;
  font-size: 0.98rem;
  padding: 14px 28px;
  border-radius: 999px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }

/* Foco visible consistente en todo elemento interactivo (no solo .btn) para navegacion por teclado */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--magenta);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--magenta);
  color: var(--blanco);
  box-shadow: 0 6px 16px rgba(230, 0, 126, 0.28);
}
.btn-primary:hover { background: #c70070; }

.btn-large { padding: 16px 36px; font-size: 1.05rem; }

.btn-outline {
  background: transparent;
  color: var(--violeta);
  border-color: var(--violeta);
  width: 100%;
}
.btn-outline:hover { background: var(--violeta); color: var(--blanco); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo-link { display: block; line-height: 0; }

/* Logo original sin recortar ni deformar: solo se limita su alto por CSS */
.logo-img {
  height: 48px;
  width: auto;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  /* 44x44 = area tactil minima recomendada (WCAG 2.5.8); el icono visual
     adentro mantiene el mismo tamano de antes (26x18), solo crece el hit-box */
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--violeta);
  border-radius: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--violeta);
}
.site-nav a:hover { color: var(--magenta); }
.nav-cta {
  background: var(--violeta);
  color: var(--blanco) !important;
  padding: 10px 20px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--violeta-oscuro); color: var(--blanco) !important; }

/* ---------- Hero ---------- */
.hero {
  background: var(--gris-fondo);
  padding: 56px 0 64px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 760px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 800;
  font-size: 0.8rem;
  /* magenta de marca (#E6007E) da 4.13:1 sobre --gris-fondo: no llega al mínimo WCAG AA (4.5:1).
     Se oscurece solo este texto puntual (misma familia de color) para pasar a 5.51:1. */
  color: #C2006A;
  margin-bottom: 8px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
.hero-subtitle { font-size: 1.1rem; max-width: 46ch; }
.hero-note { font-size: 0.85rem; margin-top: 18px; color: var(--violeta-claro); }
.hero-visual {
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 12px 30px rgba(69, 39, 116, 0.12);
}
.hero-visual img { display: block; border-radius: 10px; margin: 0 auto; max-height: 420px; width: auto; object-fit: contain; }

/* ---------- Secciones genéricas ---------- */
.section { padding: 64px 0; }
.section-alt { background: var(--gris-fondo); }
.section-intro {
  text-align: center;
  max-width: 56ch;
  margin: 0 auto 36px;
}
.section-contact { background: var(--violeta); }
.section-contact h2 { color: var(--blanco); }
.section-contact .section-intro { color: #E9E1F6; }
.contact-inner { text-align: center; }
.contact-details { margin-top: 28px; color: #E9E1F6; }
.contact-details p { color: #E9E1F6; margin-bottom: 4px; }
.contact-details strong { color: var(--blanco); }

/* ---------- Productos ---------- */
.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 540px) {
  .products-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 880px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}
.product-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s ease, transform .2s ease;
}
.product-card:hover { box-shadow: 0 14px 28px rgba(69,39,116,.12); transform: translateY(-3px); }
.product-image {
  background: var(--gris-fondo);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center top;
}
.product-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-body .btn { margin-top: auto; }
.price-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--violeta-claro);
  margin-top: 28px;
}

/* ---------- Sectores ---------- */
.sectors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 760px) {
  .sectors-grid { grid-template-columns: repeat(3, 1fr); }
}
.sector-card {
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--gris-borde);
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s ease, transform .2s ease;
}
.sector-card:hover { box-shadow: 0 14px 28px rgba(69,39,116,.12); transform: translateY(-3px); }
.sector-icon { width: 52px; height: 52px; margin-bottom: 14px; }
.sector-icon svg { width: 100%; height: 100%; }
.sector-benefit { font-weight: 700; color: var(--violeta); font-size: 0.92rem; }
.sector-card .btn { margin-top: auto; }

/* ---------- Beneficios ---------- */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 680px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .benefits-grid { grid-template-columns: repeat(3, 1fr); }
}
.benefit {
  padding: 20px;
  border-left: 3px solid var(--magenta);
  background: var(--gris-fondo);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.benefit p { margin: 0; }

/* ---------- Pasos (cómo trabajamos) ---------- */
.steps {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.steps li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.step-number {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--violeta);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}
.steps h3 { margin-bottom: 4px; }
.steps p { margin: 0; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--gris-borde);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font);
  font-weight: 800;
  font-size: 1rem;
  color: var(--violeta);
  padding: 18px 4px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-icon {
  flex: none;
  width: 22px;
  height: 22px;
  position: relative;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--magenta);
  border-radius: 2px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; transition: transform .2s ease; }
.faq-question[aria-expanded="true"] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg) scale(0); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}
.faq-answer p { padding: 0 4px 18px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--violeta-oscuro);
  color: #CBB8E8;
  padding: 28px 0;
  text-align: center;
}
.footer-logo { height: 32px; margin: 0 auto 10px; filter: brightness(0) invert(1); opacity: .85; }
.site-footer p { color: #CBB8E8; font-size: 0.85rem; margin: 0; }

/* ---------- Responsive: menú mobile ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--blanco);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-bottom: 1px solid var(--gris-borde);
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
  }
  .site-nav.open { max-height: 400px; }
  .site-nav a {
    width: 100%;
    padding: 14px 20px;
    border-top: 1px solid var(--gris-borde);
  }
  .nav-cta { border-radius: 0; text-align: center; }
}
@media (min-width: 861px) {
  .nav-toggle { display: none; }
}

/* ---------- Accesibilidad: reduce motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}