/* ============================================================================
   DeBlue Byte — sitio institucional
   ----------------------------------------------------------------------------
   Identidad: el azul petróleo del isotipo (de #085264 a #1697b5) sobre un
   fondo tinta, y Exo, que es la tipografía del logo. Las secciones alternan
   claro y oscuro para que la página se lea por bloques.
   ========================================================================== */

:root {
  --brand:      #0b6b82;
  --brand-2:    #1697b5;
  --brand-3:    #5fd0ea;
  --tinta:      #08202a;
  --tinta-2:    #0d2c38;
  --tinta-3:    #163f4e;
  --papel:      #ffffff;
  --suave:      #f2f7f9;
  --linea:      #dbe6eb;
  --texto:      #17262d;
  --tenue:      #5d7079;
  --sobre-osc:  #c6d9e0;
  --wa:         #25d366;
  --ok:         #1f7a4d;
  --err:        #bc3b2e;
  --radio:      14px;
  --caja:       1180px;
  --sombra:     0 1px 2px rgba(8,32,42,.06), 0 8px 24px rgba(8,32,42,.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  font-family: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--papel);
}

h1, h2, h3, h4 { font-family: 'Exo', 'IBM Plex Sans', sans-serif; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.45rem); font-weight: 700; }
h3, .h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--brand); }
img { max-width: 100%; height: auto; }

:focus-visible { outline: 3px solid var(--brand-3); outline-offset: 2px; }

.caja { width: 100%; max-width: var(--caja); margin: 0 auto; padding: 0 24px; }
.centro { text-align: center; }
.tenue { color: var(--tenue); }

.saltar { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 14px; z-index: 100; border-radius: 6px; }
.saltar:focus { left: 8px; }

.sobretitulo {
  display: inline-block;
  font-family: 'Exo', sans-serif;
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand-2);
  margin-bottom: 14px;
}

/* ===================== Botones ===================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 11px 20px; border-radius: 999px; border: 1.5px solid transparent;
  font: 600 .95rem 'IBM Plex Sans', sans-serif; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; }
.btn-grande { padding: 14px 26px; font-size: 1rem; }
.btn-bloque { width: 100%; }
.btn-primario { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; box-shadow: 0 6px 18px rgba(22,151,181,.28); }
.btn-primario:hover { box-shadow: 0 8px 24px rgba(22,151,181,.38); }
.btn-borde { border-color: var(--linea); color: var(--texto); background: #fff; }
.btn-borde:hover { border-color: var(--brand-2); color: var(--brand); }
.btn-borde-claro { border-color: rgba(255,255,255,.28); color: #fff; background: rgba(255,255,255,.04); }
.btn-borde-claro:hover { border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.08); }
.btn-wa { background: var(--wa); color: #06331a; }
.btn-wa:hover { filter: brightness(1.05); }

/* ===================== Cabecera ===================== */
.cab {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .2s ease, box-shadow .2s ease, padding .2s ease;
  padding: 14px 0;
}
.cab.solida { background: rgba(8,32,42,.94); backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(255,255,255,.06); padding: 8px 0; }
.cab-fila { display: flex; align-items: center; gap: 24px; }
.marca { display: inline-flex; background: #fff; border-radius: 10px; padding: 6px 10px; }
.marca img { display: block; height: 38px; width: auto; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav > a:not(.btn) { color: var(--sobre-osc); text-decoration: none; font-weight: 500; font-size: .95rem; padding: 8px 12px; border-radius: 8px; }
.nav > a:not(.btn):hover { color: #fff; background: rgba(255,255,255,.06); }
.nav .btn { margin-left: 8px; padding: 9px 16px; font-size: .9rem; }

.cab-menu { display: none; margin-left: auto; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; }
.cab-menu span { display: block; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; }

@media (max-width: 1040px) {
  .cab-menu { display: block; }
  .nav {
    position: fixed; inset: 64px 12px auto 12px; flex-direction: column; align-items: stretch;
    background: var(--tinta-2); border: 1px solid var(--tinta-3); border-radius: 16px; padding: 12px;
    display: none; box-shadow: 0 20px 50px rgba(0,0,0,.35);
  }
  .nav.abierta { display: flex; }
  .nav .btn { margin: 6px 0 0; }
}

/* ===================== Hero ===================== */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 600px at 85% 10%, rgba(22,151,181,.28), transparent 60%),
              radial-gradient(800px 500px at 0% 100%, rgba(11,107,130,.35), transparent 60%),
              var(--tinta);
  color: #fff;
  padding: 150px 0 96px;
}
.hero-fondo {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%);
}
.hero-grilla { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; }
.hero .bajada { color: var(--sobre-osc); font-size: 1.13rem; max-width: 600px; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.hero-datos { list-style: none; padding: 0; margin: 44px 0 0; display: flex; gap: 36px; flex-wrap: wrap; }
.hero-datos li { display: flex; flex-direction: column; }
.hero-datos strong { font-family: 'Exo', sans-serif; font-size: 2rem; font-weight: 800; color: #fff; line-height: 1; }
.hero-datos span { color: var(--sobre-osc); font-size: .88rem; margin-top: 6px; }

/* Chat del bot */
.hero-chat {
  background: #0f2a35; border: 1px solid rgba(255,255,255,.08); border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  overflow: hidden; max-width: 400px; justify-self: end; width: 100%;
  transform: rotate(1.2deg);
}
.chat-cab { display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: #12333f; border-bottom: 1px solid rgba(255,255,255,.06); }
.chat-cab img { border-radius: 8px; }
.chat-cab strong { display: block; font-size: .95rem; }
.chat-cab span { font-size: .78rem; color: var(--brand-3); }
.chat-cuerpo {
  display: flex; flex-direction: column; gap: 10px; padding: 20px 16px; min-height: 330px;
  background-image: radial-gradient(rgba(255,255,255,.035) 1px, transparent 1px); background-size: 16px 16px;
}
.globo {
  max-width: 84%; padding: 9px 13px; border-radius: 14px; font-size: .9rem; line-height: 1.45;
  opacity: 0; transform: translateY(8px); animation: entra .45s ease forwards; animation-delay: var(--d, 0s);
}
.globo.suyo { align-self: flex-start; background: #1b4352; color: #e8f4f7; border-top-left-radius: 4px; }
.globo.mio  { align-self: flex-end; background: #0e7c63; color: #fff; border-top-right-radius: 4px; }
@keyframes entra { to { opacity: 1; transform: none; } }
.chat-pie { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.06); }
.chat-pie span { display: block; padding: 9px 14px; border-radius: 999px; background: #12333f; color: #6f8f9a; font-size: .85rem; }

@media (max-width: 900px) {
  .hero { padding: 120px 0 72px; }
  .hero-grilla { grid-template-columns: 1fr; gap: 40px; }
  .hero-chat { justify-self: center; transform: none; }
}

/* ===================== Franja de clientes ===================== */
.franja-clientes { background: var(--tinta-2); color: var(--sobre-osc); padding: 26px 0; border-top: 1px solid rgba(255,255,255,.05); }
.franja-titulo { text-align: center; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 14px; color: #7f9aa4; }
.franja-lista { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 34px; }
.franja-lista li { font-family: 'Exo', sans-serif; font-weight: 700; font-size: 1.05rem; color: #d8e7ec; opacity: .82; }

/* ===================== Secciones ===================== */
.seccion { padding: 96px 0; }
.seccion-compacta { padding: 56px 0; }
.seccion-suave { background: var(--suave); }
.seccion-oscura { background: var(--tinta); color: #fff; }
.seccion-oscura p { color: var(--sobre-osc); }
.seccion-oscura h2, .seccion-oscura h3 { color: #fff; }
.seccion-cab { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.seccion-cab.izq { text-align: left; margin: 0 0 28px; max-width: none; }
.seccion-cab p { color: var(--tenue); font-size: 1.07rem; }
.seccion-oscura .seccion-cab p { color: var(--sobre-osc); }

.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.dos-col-ancha { grid-template-columns: 1.4fr 1fr; }
@media (max-width: 900px) { .dos-col, .dos-col-ancha { grid-template-columns: 1fr; gap: 36px; } .seccion { padding: 68px 0; } }

/* Aparicion */
.aparece { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.aparece.visible { opacity: 1; transform: none; }

/* ===================== Productos ===================== */
.grilla-productos { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 20px; }
.tarjeta-producto {
  position: relative; display: flex; flex-direction: column;
  padding: 26px 24px 22px; background: var(--papel); border: 1px solid var(--linea); border-radius: var(--radio);
  color: var(--texto); text-decoration: none; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.tarjeta-producto:hover { border-color: var(--brand-2); box-shadow: var(--sombra); transform: translateY(-3px); }
.tarjeta-producto.destacado::after {
  content: 'Destacado'; position: absolute; top: 18px; right: 18px;
  font-size: .68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand); background: rgba(22,151,181,.1); padding: 3px 9px; border-radius: 999px;
}
.tarjeta-producto h3 { margin: 16px 0 6px; }
.tarjeta-producto p { color: var(--tenue); font-size: .95rem; margin-bottom: 12px; }
.tarjeta-producto .rubros { font-size: .8rem; color: #7d9099; margin-bottom: 14px; }
.tarjeta-producto .mas { margin-top: auto; font-weight: 600; font-size: .9rem; color: var(--brand); }

.icono {
  display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(11,107,130,.12), rgba(22,151,181,.16)); color: var(--brand);
}
.icono svg { width: 26px; height: 26px; }
.icono-grande { width: 64px; height: 64px; border-radius: 16px; margin: 18px 0 20px; }
.icono-grande svg { width: 34px; height: 34px; }
.seccion-oscura .icono, .pagina-cab .icono { background: rgba(95,208,234,.12); color: var(--brand-3); }

/* Servicios */
.grilla-servicios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .grilla-servicios { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grilla-servicios { grid-template-columns: 1fr; } }
.servicio {
  padding: 24px; border-radius: var(--radio); border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03); color: #fff; text-decoration: none; transition: background .2s, border-color .2s;
}
.servicio:hover { background: rgba(255,255,255,.06); border-color: rgba(95,208,234,.35); }
.servicio h3 { margin: 16px 0 6px; font-size: 1.08rem; }
.servicio p { font-size: .92rem; margin: 0; }

/* Pasos */
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: paso; }
.pasos li { position: relative; padding: 28px 24px; border-radius: var(--radio); background: var(--suave); }
.paso-n { font-family: 'Exo', sans-serif; font-weight: 800; font-size: 2.2rem; color: transparent; -webkit-text-stroke: 1.5px var(--brand-2); display: block; margin-bottom: 10px; }
.pasos p { color: var(--tenue); font-size: .95rem; margin: 0; }
@media (max-width: 900px) { .pasos { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .pasos { grid-template-columns: 1fr; } }

/* Chips */
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; }
.chips li { padding: 9px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--linea); font-weight: 500; font-size: .92rem; }

/* Portal */
.portal-promo {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
  padding: 48px; border-radius: 24px; background: linear-gradient(135deg, #eaf5f8, #f6fbfc); border: 1px solid var(--linea);
}
.portal-promo p { color: var(--tenue); }
.portal-lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.portal-lista li { display: flex; align-items: center; gap: 14px; background: #fff; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--linea); font-weight: 500; }
.portal-lista .icono { flex: 0 0 42px; width: 42px; height: 42px; }
@media (max-width: 900px) { .portal-promo { grid-template-columns: 1fr; padding: 28px; } }

/* Contacto */
.datos-contacto { list-style: none; padding: 0; margin: 26px 0 30px; display: grid; gap: 12px; }
.datos-contacto li { display: flex; flex-direction: column; color: #fff; }
.datos-contacto span { font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: #7f9aa4; }
.datos-contacto a { color: #fff; }

.form-contacto { background: #fff; color: var(--texto); border-radius: 20px; padding: 28px; box-shadow: 0 24px 60px rgba(0,0,0,.25); }
.fila-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .fila-2 { grid-template-columns: 1fr; } }
.campo { margin-bottom: 14px; }
.campo label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: 6px; }
.campo .opc { font-weight: 400; color: var(--tenue); }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 11px 13px; border: 1.5px solid var(--linea); border-radius: 10px;
  font: inherit; font-size: .95rem; background: #fff; color: var(--texto);
}
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--brand-2); box-shadow: 0 0 0 3px rgba(22,151,181,.15); }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.nota { font-size: .8rem; color: var(--tenue); margin: 10px 0 0; text-align: center; }
.aviso-ok, .aviso-err { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; font-size: .92rem; }
.aviso-ok { background: #e6f3ec; color: var(--ok); }
.aviso-err { background: #fbeceb; color: var(--err); }

/* ===================== Paginas internas ===================== */
.pagina-cab {
  background: radial-gradient(900px 400px at 90% 0%, rgba(22,151,181,.25), transparent 60%), var(--tinta);
  color: #fff; padding: 140px 0 64px;
}
.pagina-cab h1 { color: #fff; }
.pagina-cab .bajada { color: var(--sobre-osc); font-size: 1.12rem; max-width: 680px; }
.miga { display: block; color: var(--brand-3); text-decoration: none; font-size: .9rem; }
.producto-cab .icono-grande { display: grid; }
.producto-cab-grilla { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: end; }
.producto-ficha { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: 8px 22px; }
.producto-ficha div { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.producto-ficha div:last-child { border-bottom: 0; }
.producto-ficha span { display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: #7f9aa4; margin-bottom: 2px; }
@media (max-width: 900px) { .producto-cab-grilla { grid-template-columns: 1fr; } }

.texto-largo p { font-size: 1.08rem; color: #2c3d45; }
.lista-check { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.lista-check li { position: relative; padding-left: 32px; }
.lista-check li::before {
  content: ''; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(22,151,181,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b6b82' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat;
}
.pagina-error { min-height: 70vh; display: flex; align-items: center; }

/* ===================== Pie ===================== */
.pie { background: #061920; color: var(--sobre-osc); padding: 64px 0 24px; font-size: .93rem; }
.pie-grilla { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.pie-marca img { background: #fff; border-radius: 10px; padding: 6px 10px; margin-bottom: 16px; height: 50px; width: auto; }
.pie-marca p { color: #8aa3ac; max-width: 340px; }
.pie h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.pie a, .pie span { display: block; color: var(--sobre-osc); text-decoration: none; margin-bottom: 8px; }
.pie a:hover { color: #fff; }
.pie .tenue { color: #6f8a94; }
.redes { display: flex; gap: 14px; margin-top: 10px; }
.redes a { display: inline; }
.pie-legal { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.07); margin-top: 44px; padding-top: 20px; font-size: .85rem; }
.pie-legal span, .pie-legal a { margin: 0; }
@media (max-width: 900px) { .pie-grilla { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .pie-grilla { grid-template-columns: 1fr; } }

.wa-flotante {
  position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center; background: var(--wa); color: #fff; box-shadow: 0 10px 28px rgba(37,211,102,.45);
  transition: transform .15s ease;
}
.wa-flotante:hover { transform: scale(1.06); }
.wa-flotante svg { width: 30px; height: 30px; }