/* ============================================================
   BG Data Interservices — estilos
   Tema claro + oscuro (variables CSS) · glassmorphism · animaciones
   ============================================================ */

/* ---------- Fuente Poppins (self-host, subset latin) ---------- */
@font-face{font-family:'Poppins';font-style:normal;font-weight:300;font-display:swap;src:url('../assets/fonts/poppins-300.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:400;font-display:swap;src:url('../assets/fonts/poppins-400.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:500;font-display:swap;src:url('../assets/fonts/poppins-500.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:600;font-display:swap;src:url('../assets/fonts/poppins-600.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;src:url('../assets/fonts/poppins-700.woff2') format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:800;font-display:swap;src:url('../assets/fonts/poppins-800.woff2') format('woff2');}

/* ---------- Variables: TEMA OSCURO (por defecto) ---------- */
:root {
  --bg: #0A0E16;
  --text: #F8FAFC;
  --muted: #94A3B8;
  --soft: #CBD5E1;
  --line: rgba(148,163,184,0.14);

  --surface: rgba(17,21,28,0.70);
  --surface-solid: rgba(17,21,28,0.94);

  --card: rgba(255,255,255,0.03);
  --card-hover: rgba(255,255,255,0.06);
  --chip: rgba(255,255,255,0.05);
  --chip-hover: rgba(255,255,255,0.10);
  --input-bg: rgba(255,255,255,0.04);
  --panel: rgba(12,19,34,0.55);
  --panel-strong: rgba(12,19,34,0.60);
  --ghost-bg: rgba(255,255,255,0.04);
  --ghost-hover: rgba(255,255,255,0.09);
  --placeholder: #64748B;

  --grid-line: rgba(148,163,184,0.05);
  --circuit: #243047;
  --circuit-op: 0.55;
  --tint1: rgba(95,224,255,0.10);
  --tint2: rgba(46,111,230,0.12);
  --orb-opacity: 0.45;
  --card-shadow: 0 16px 40px rgba(0,0,0,0.35);
  --stage-grid: rgba(95,224,255,0.30);
  --logo-accent: #6FB4FF;
  --logo-text: #FFFFFF;
  --logo-sub: #AFC0D4;
}

/* ---------- Variables: TEMA CLARO (estilo Runif) ---------- */
[data-theme="light"] {
  --bg: #FFFFFF;
  --text: #0E1726;
  --muted: #51607A;
  --soft: #334155;
  --line: rgba(15,23,42,0.10);

  --surface: rgba(255,255,255,0.80);
  --surface-solid: rgba(255,255,255,0.96);

  --card: #FFFFFF;
  --card-hover: #F8FAFC;
  --chip: rgba(15,23,42,0.04);
  --chip-hover: rgba(15,23,42,0.08);
  --input-bg: #FFFFFF;
  --panel: #FFFFFF;
  --panel-strong: #FFFFFF;
  --ghost-bg: #FFFFFF;
  --ghost-hover: #F1F5F9;
  --placeholder: #94A3B8;

  --grid-line: rgba(15,23,42,0.05);
  --circuit: #C2CCDB;
  --circuit-op: 0.9;
  --tint1: rgba(95,224,255,0.16);
  --tint2: rgba(46,111,230,0.10);
  --orb-opacity: 0.22;
  --card-shadow: 0 16px 40px rgba(15,23,42,0.10);
  --stage-grid: rgba(46,111,230,0.28);
  --logo-accent: #2E6FE6;
  --logo-text: #11151C;
  --logo-sub: #5C6B7A;
}

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body { overflow-x: hidden; }
section[id] { scroll-margin-top: 100px; }

/* Transición suave al cambiar de tema */
body, .navlink, .btn-ghost, .pillar-card, .value-card, .solution-card,
.faq-item, .form-input, .icon-btn, .chip-btn, .brand-card, .support-stat {
  transition-property: background-color, border-color, color, box-shadow;
  transition-duration: .3s;
  transition-timing-function: ease;
}

/* ---------- Accesibilidad ---------- */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: #2E6FE6; color: #FFFFFF;
  padding: 0.6rem 1rem; border-radius: 0 0 0.5rem 0; font-weight: 600;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid #2E6FE6; outline-offset: 2px; border-radius: 4px; }

/* ---------- Fondo animado (aurora + grilla/circuito) ---------- */
.bg-aurora {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, var(--tint1), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, var(--tint2), transparent 55%),
    var(--bg);
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: var(--orb-opacity); will-change: transform;
}
.orb-1 { width: 520px; height: 520px; top: -120px; right: -80px; background: radial-gradient(circle, #5FE0FF, transparent 70%); animation: float1 22s ease-in-out infinite; }
.orb-2 { width: 460px; height: 460px; bottom: -140px; left: -100px; background: radial-gradient(circle, #2E6FE6, transparent 70%); animation: float2 26s ease-in-out infinite; }
.orb-3 { width: 380px; height: 380px; top: 40%; left: 55%; background: radial-gradient(circle, #0E2A57, transparent 70%); animation: float3 30s ease-in-out infinite; }
/* Patrón de circuito (PCB) — visible en los costados, despejado al centro */
.circuit {
  position: absolute; inset: 0; width: 100%; height: 100%;
  color: var(--circuit); opacity: var(--circuit-op);
  mask-image: radial-gradient(ellipse 64% 55% at 50% 32%, transparent 26%, #000 72%);
  -webkit-mask-image: radial-gradient(ellipse 64% 55% at 50% 32%, transparent 26%, #000 72%);
}

@keyframes float1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-40px, 50px) scale(1.08); } }
@keyframes float2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(50px, -40px) scale(1.1); } }
@keyframes float3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-30px, -30px) scale(0.92); } }
@media (prefers-reduced-motion: reduce) { .orb { animation: none; } }

/* ---------- Logo (fallback de texto) ---------- */
.logo-glyph {
  display: inline-flex; align-items: center; justify-content: center;
  height: 2.25rem; width: 2.25rem; border-radius: 0.6rem;
  font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 0.85rem;
  letter-spacing: -0.02em; color: #FFFFFF;
  background: linear-gradient(135deg, #2E6FE6, #0E2A57);
  box-shadow: 0 6px 20px rgba(46,111,230,0.25);
}
/* Logo según tema: claro usa color, oscuro usa blanco */
.logo-dark { display: block; }
.logo-light { display: none; }
[data-theme="light"] .logo-dark { display: none; }
[data-theme="light"] .logo-light { display: block; }

/* ---------- Navegación ---------- */
.navlink {
  position: relative; display: inline-block;
  padding: 0.5rem 0.95rem; font-size: 0.875rem; font-weight: 500;
  color: var(--muted); border-radius: 999px; cursor: pointer;
}
.navlink:hover { color: var(--text); background: var(--chip); }
.navlink.active { color: #FFFFFF; background: #2E6FE6; }
.navlink.active:hover { color: #FFFFFF; background: #2563D8; }

.mobile-link {
  display: block; padding: 0.85rem 1rem; font-size: 0.95rem; font-weight: 500;
  color: var(--soft); border-radius: 0.6rem; cursor: pointer;
}
.mobile-link:hover { color: var(--text); background: var(--chip); }

.mobile-menu { max-height: 0; opacity: 0; transition: max-height .35s ease, opacity .25s ease; }
.mobile-menu.open { max-height: 30rem; opacity: 1; }

/* Fondo translúcido reutilizable (badges, pills) */
.chip { background: var(--chip); }

/* Íconos del botón de tema: sol en oscuro, luna en claro */
.icon-moon { display: none; }
.icon-sun { display: block; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Botones de íconos (idioma, tema, menú) */
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--soft); background: var(--chip);
  border: 1px solid var(--line); cursor: pointer;
}
.icon-btn:hover { color: var(--text); background: var(--chip-hover); }

/* ---------- Botones ---------- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.4rem; font-size: 0.9rem; font-weight: 600;
  color: #FFFFFF; background: #2E6FE6;
  border-radius: 999px; cursor: pointer;
  box-shadow: 0 8px 24px rgba(46,111,230,0.30);
  transition: box-shadow .25s ease, background-color .2s ease, transform .15s ease;
}
.btn-primary:hover { background: #2563D8; box-shadow: 0 10px 32px rgba(46,111,230,0.45); }
.btn-primary:active { transform: translateY(1px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.4rem; font-size: 0.9rem; font-weight: 600;
  color: var(--text); background: var(--ghost-bg);
  border: 1px solid var(--line); border-radius: 999px; cursor: pointer;
}
.btn-ghost:hover { background: var(--ghost-hover); }

/* ---------- Tipografía de sección ---------- */
.section-eyebrow { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #2E6FE6; }
.section-title {
  margin-top: 0.6rem; font-family: 'Poppins', sans-serif;
  font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 700;
  line-height: 1.12; letter-spacing: -0.02em; color: var(--text);
}
.section-lead { margin-top: 1rem; font-size: 1.02rem; line-height: 1.7; color: var(--muted); }

.gradient-text {
  background: linear-gradient(120deg, #2E6FE6 0%, #2E6FE6 40%, #5FB0FF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
[data-theme="dark"] .gradient-text,
:root:not([data-theme="light"]) .gradient-text {
  background: linear-gradient(120deg, #5FE0FF 0%, #2E6FE6 55%, #6FB4FF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Hero: stage con gráfico de marca + grilla en perspectiva ---------- */
.hero-stage {
  position: relative;
  margin-top: 3.5rem;
  height: 400px;
  width: 100%;
  display: flex; align-items: center; justify-content: center;
  perspective: 900px;
}
.stage-floor {
  position: absolute; bottom: 2%; left: 50%;
  width: 760px; max-width: 130%; height: 380px;
  transform: translateX(-50%) rotateX(66deg);
  transform-origin: center bottom;
  background-image:
    linear-gradient(var(--stage-grid) 1.4px, transparent 1.4px),
    linear-gradient(90deg, var(--stage-grid) 1.4px, transparent 1.4px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 55% 60% at 50% 50%, #000 18%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 55% 60% at 50% 50%, #000 18%, transparent 76%);
}
.stage-glow {
  position: absolute; top: 44%; left: 50%; transform: translate(-50%,-50%);
  width: clamp(420px, 70vw, 720px); height: 300px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(46,111,230,0.28), transparent 68%);
  filter: blur(26px);
}
.stage-logo {
  position: relative; z-index: 1; display: block;
  width: clamp(360px, 76vw, 700px); height: auto; max-width: 94%;
  filter: drop-shadow(0 20px 36px rgba(46,111,230,0.30));
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@media (prefers-reduced-motion: reduce) { .stage-logo { animation: none; } }

/* ---------- Logo del navbar (compacto, izquierda) ---------- */
.nav-logo { display: block; height: 2.5rem; width: auto; }
@media (min-width: 640px) { .nav-logo { height: 2.85rem; } }

/* ---------- Masthead (logo principal arriba del todo) ---------- */
.masthead-logo {
  display: block;
  width: clamp(230px, 46vw, 400px); height: auto;
  filter: drop-shadow(0 8px 22px rgba(46,111,230,0.18));
}

/* ---------- Imagen principal del hero ---------- */
.hero-image-wrap {
  position: relative; margin-top: 2.5rem; width: 100%;
  display: flex; flex-direction: column; align-items: center;
}
.hero-image {
  width: 100%; max-width: 900px; height: auto;
  border-radius: 1.25rem;
  box-shadow: 0 24px 56px rgba(14,42,87,0.26);
}
.hero-image-hint { display: none; font-size: 0.9rem; color: var(--muted); }
.hero-image-missing .hero-image-hint {
  display: block; width: 100%; max-width: 560px; text-align: center;
  padding: 3rem 1.5rem; border: 1px dashed var(--line); border-radius: 1.25rem;
}
.hero-image-hint code { color: #2E6FE6; font-weight: 600; }

/* ---------- Tarjetas de marca (reservadas) ---------- */
.brand-card {
  display: flex; align-items: center; justify-content: center; min-height: 110px;
  padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem;
  background: var(--card); backdrop-filter: blur(6px);
}
.brand-card:hover { border-color: rgba(46,111,230,0.4); background: var(--card-hover); }
.brand-card .brand-ph { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.05rem; color: var(--muted); text-align: center; }

/* ---------- Tarjetas de solución ---------- */
.solution-card {
  position: relative; padding: 1.75rem; border: 1px solid var(--line);
  border-radius: 1.1rem; background: var(--panel); backdrop-filter: blur(10px);
  overflow: hidden; transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.solution-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(46,111,230,0.10), transparent 45%);
  opacity: 0; transition: opacity .3s ease; pointer-events: none;
}
.solution-card:hover { border-color: rgba(46,111,230,0.35); transform: translateY(-4px); box-shadow: var(--card-shadow); }
.solution-card:hover::before { opacity: 1; }
.solution-icon {
  display: inline-flex; align-items: center; justify-content: center;
  height: 3rem; width: 3rem; border-radius: 0.85rem; color: #2E6FE6;
  background: rgba(46,111,230,0.10); border: 1px solid rgba(46,111,230,0.2);
}
.solution-icon svg { height: 1.5rem; width: 1.5rem; }
.solution-title { margin-top: 1.1rem; font-family: 'Poppins', sans-serif; font-size: 1.15rem; font-weight: 600; color: var(--text); }
.solution-text { margin-top: 0.6rem; font-size: 0.92rem; line-height: 1.65; color: var(--muted); }

/* ---------- Nosotros ---------- */
.check-dot {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  height: 1.5rem; width: 1.5rem; margin-top: 0.1rem; border-radius: 50%;
  color: #FFFFFF; background: linear-gradient(135deg, #2E6FE6, #0E2A57);
}
.check-dot svg { height: 0.85rem; width: 0.85rem; }

.value-card {
  padding: 1.5rem; border: 1px solid var(--line); border-radius: 1.1rem;
  background: var(--card); backdrop-filter: blur(8px);
}
.value-card:hover { border-color: rgba(46,111,230,0.3); transform: translateY(-4px); }
.value-num { font-family: 'Poppins', sans-serif; font-size: 1.6rem; font-weight: 800; }

/* ---------- Contacto ---------- */
.contact-shell {
  padding: 2.5rem; border: 1px solid var(--line); border-radius: 1.5rem;
  background: var(--panel-strong); backdrop-filter: blur(14px); box-shadow: var(--card-shadow);
}
@media (min-width: 640px) { .contact-shell { padding: 3rem; } }
.contact-row { display: flex; align-items: center; gap: 0.75rem; color: var(--soft); }
a.contact-row:hover { color: #2E6FE6; }
.contact-ico {
  display: inline-flex; align-items: center; justify-content: center;
  height: 2.5rem; width: 2.5rem; flex-shrink: 0; border-radius: 0.7rem; color: #2E6FE6;
  background: rgba(46,111,230,0.10); border: 1px solid rgba(46,111,230,0.2);
}
.contact-ico svg { height: 1.15rem; width: 1.15rem; }

.form-label { display: block; margin-bottom: 0.4rem; font-size: 0.82rem; font-weight: 500; color: var(--soft); }
.form-input {
  width: 100%; padding: 0.75rem 0.95rem; font-size: 0.92rem; color: var(--text);
  background: var(--input-bg); border: 1px solid var(--line); border-radius: 0.7rem;
}
.form-input::placeholder { color: var(--placeholder); }
.form-input:focus { outline: none; border-color: #2E6FE6; box-shadow: 0 0 0 3px rgba(46,111,230,0.15); }
.form-input.invalid { border-color: #EF4444; box-shadow: 0 0 0 3px rgba(239,68,68,0.15); }

/* ---------- Pilares ---------- */
.pillar-card {
  padding: 1.6rem; border: 1px solid var(--line); border-radius: 1.1rem;
  background: var(--card); backdrop-filter: blur(8px);
}
.pillar-card:hover { border-color: rgba(46,111,230,0.32); transform: translateY(-4px); background: var(--card-hover); }
.pillar-ico {
  display: inline-flex; align-items: center; justify-content: center;
  height: 2.75rem; width: 2.75rem; border-radius: 0.8rem; color: #2E6FE6;
  background: rgba(46,111,230,0.10); border: 1px solid rgba(46,111,230,0.2);
}
.pillar-ico svg { height: 1.35rem; width: 1.35rem; }
.pillar-title { margin-top: 1rem; font-family: 'Poppins', sans-serif; font-size: 1.05rem; font-weight: 600; color: var(--text); }
.pillar-text { margin-top: 0.5rem; font-size: 0.88rem; line-height: 1.6; color: var(--muted); }

/* ---------- Banda CTA ---------- */
.cta-band {
  display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start;
  padding: 2.25rem; border-radius: 1.4rem;
  background: linear-gradient(120deg, #0E2A57 0%, #2E6FE6 100%);
  box-shadow: 0 20px 50px rgba(46,111,230,0.25); color: #FFFFFF;
}
.cta-band h2 { color: #FFFFFF; }
.cta-band p { color: rgba(255,255,255,0.85); }
@media (min-width: 768px) { .cta-band { flex-direction: row; align-items: center; justify-content: space-between; padding: 2.5rem 3rem; } }
.btn-light {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.6rem;
  font-size: 0.92rem; font-weight: 600; color: #0E2A57; background: #FFFFFF;
  border-radius: 999px; cursor: pointer;
  transition: transform .15s ease, box-shadow .25s ease; box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.btn-light:hover { box-shadow: 0 12px 30px rgba(0,0,0,0.28); }
.btn-light:active { transform: translateY(1px); }

/* ---------- Soporte técnico ---------- */
.support-visual {
  display: grid; gap: 1rem; padding: 2rem; border: 1px solid var(--line);
  border-radius: 1.4rem; background: var(--panel); backdrop-filter: blur(12px);
}
.support-stat {
  display: flex; flex-direction: column; gap: 0.25rem; padding: 1.25rem 1.5rem;
  border-radius: 1rem; background: var(--card); border: 1px solid var(--line);
}
.support-item { display: flex; align-items: flex-start; gap: 0.65rem; color: var(--soft); font-size: 0.92rem; }
.support-dot {
  flex-shrink: 0; margin-top: 0.45rem; height: 0.5rem; width: 0.5rem; border-radius: 50%;
  background: linear-gradient(135deg, #2E6FE6, #5FB0FF); box-shadow: 0 0 0 4px rgba(46,111,230,0.12);
}

/* ---------- Stats banner ---------- */
.stats-band {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem;
  padding: 2.5rem 2rem; border-radius: 1.4rem; border: 1px solid rgba(46,111,230,0.18);
  background: radial-gradient(600px 200px at 50% 0%, rgba(46,111,230,0.10), transparent 70%), var(--card);
  backdrop-filter: blur(12px); text-align: center;
}
@media (min-width: 768px) { .stats-band { grid-template-columns: repeat(4, 1fr); } }
.stat-cell dt { color: var(--text); }

/* ---------- FAQ ---------- */
.faq-item {
  border: 1px solid var(--line); border-radius: 1rem; background: var(--card);
  backdrop-filter: blur(6px); overflow: hidden;
}
.faq-item[open] { border-color: rgba(46,111,230,0.3); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.15rem 1.4rem; font-family: 'Poppins', sans-serif; font-weight: 500;
  font-size: 1rem; color: var(--text); cursor: pointer; list-style: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-icon { position: relative; flex-shrink: 0; height: 1.25rem; width: 1.25rem; }
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; top: 50%; left: 50%; background: #2E6FE6; border-radius: 2px;
  transform: translate(-50%, -50%); transition: transform .25s ease, opacity .25s ease;
}
.faq-icon::before { width: 0.85rem; height: 2px; }
.faq-icon::after { width: 2px; height: 0.85rem; }
.faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-a { padding: 0 1.4rem 1.25rem; font-size: 0.92rem; line-height: 1.65; color: var(--muted); }

/* ---------- Footer ---------- */
.footer-h { font-family: 'Poppins', sans-serif; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text); }
.footer-link { color: var(--muted); cursor: pointer; transition: color .2s ease; }
.footer-link:hover { color: #2E6FE6; }
.social-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 2.25rem; width: 2.25rem; border-radius: 0.65rem; color: var(--soft);
  background: var(--chip); border: 1px solid var(--line); cursor: pointer;
}
.social-btn svg { height: 1.1rem; width: 1.1rem; }
.social-btn:hover { color: #2E6FE6; background: rgba(46,111,230,0.08); border-color: rgba(46,111,230,0.3); }

/* ---------- Animación reveal on scroll ---------- */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }