/* ============================================================
   SIFOX · Landing (operando)
   Estilo: futurista / tech, modo oscuro, acentos neón sutiles.
   CSS puro, sin frameworks. Editable y comentado.
   ============================================================ */

/* -----------------------------------------------------------
   1. Variables (paleta y medidas)
   ----------------------------------------------------------- */
:root {
  --navy-900: #03060f;
  --navy-800: #061225;
  --navy-700: #0a1c38;
  --navy-600: #123056;

  --azul:  #00b2fe;
  --cian:  #01d3e7;
  --violeta: #7c6ff0;
  --verde: #28c840;

  --texto:     #e7f2ff;
  --texto-sut: #8aa4c4;

  --fuente-titulo: "Space Grotesk", system-ui, sans-serif;
  --fuente-mono:   "JetBrains Mono", ui-monospace, monospace;

  --ancho-max: 640px;
  --ancho-ancho: 920px;
  --radio: 14px;
}

/* -----------------------------------------------------------
   2. Reset ligero
   ----------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 2.75rem;
  padding: clamp(1.5rem, 5vw, 3rem) 1.25rem;

  font-family: var(--fuente-titulo);
  color: var(--texto);
  background: var(--navy-900);
  overflow-x: hidden;

  background:
    radial-gradient(120% 80% at 50% -10%, #0b2140 0%, var(--navy-800) 45%, var(--navy-900) 100%);
}

a { color: var(--cian); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--azul); }

/* -----------------------------------------------------------
   3. Fondo decorativo
   ----------------------------------------------------------- */
.fondo { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

.reticula {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0, 178, 254, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 178, 254, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 20%, #000 30%, transparent 85%);
          mask-image: radial-gradient(120% 90% at 50% 20%, #000 30%, transparent 85%);
}

.trazas { position: absolute; inset: 0; }
.traza {
  position: absolute; left: -20%; height: 1px; width: 40%;
  background: linear-gradient(90deg, transparent, var(--cian), transparent);
  opacity: 0.5; animation: recorrer 9s linear infinite;
}
.traza--1 { top: 22%; animation-delay: 0s;   }
.traza--2 { top: 58%; animation-delay: 3s; opacity: 0.35; }
.traza--3 { top: 81%; animation-delay: 6s; opacity: 0.25; }

@keyframes recorrer { 0% { transform: translateX(0); } 100% { transform: translateX(300%); } }

/* -----------------------------------------------------------
   4. Escena central
   ----------------------------------------------------------- */
.escena {
  width: 100%;
  max-width: var(--ancho-ancho);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2.75rem;
  animation: aparecer 0.8s ease both;
}

@keyframes aparecer {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* --- Logo --- */
.logo {
  width: clamp(120px, 30vw, 180px);
  height: auto;
  filter: drop-shadow(0 0 22px rgba(0, 178, 254, 0.45));
  animation: latido 5s ease-in-out infinite;
}
@keyframes latido {
  0%, 100% { filter: drop-shadow(0 0 18px rgba(0, 178, 254, 0.35)); }
  50%      { filter: drop-shadow(0 0 30px rgba(1, 211, 231, 0.55)); }
}

/* --- Marca --- */
.marca { display: flex; flex-direction: column; align-items: center; max-width: var(--ancho-max); }
.marca__nombre {
  font-size: clamp(2.75rem, 12vw, 4.5rem);
  font-weight: 700; letter-spacing: 0.14em; line-height: 1;
  background: linear-gradient(120deg, var(--cian), var(--azul) 60%, var(--violeta));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.marca__tagline {
  margin-top: 0.5rem;
  font-family: var(--fuente-mono);
  font-size: clamp(0.8rem, 3.5vw, 1rem);
  letter-spacing: 0.35em; color: var(--texto-sut); padding-left: 0.35em;
}
.marca__eslogan {
  margin-top: 1.1rem;
  font-size: clamp(1.1rem, 4.6vw, 1.5rem);
  font-weight: 500; color: var(--texto);
  max-width: 24ch; margin-inline: auto; line-height: 1.35;
}
.marca__sub {
  margin-top: 0.7rem;
  font-size: clamp(0.85rem, 3.4vw, 1rem);
  color: var(--texto-sut); max-width: 50ch; margin-inline: auto; line-height: 1.6;
}

/* Sello "en operación" */
.sello-operando {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: 1.25rem;
  font-family: var(--fuente-mono);
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cian);
  border: 1px solid rgba(1, 211, 231, 0.35);
  background: rgba(1, 211, 231, 0.06);
  padding: 0.45rem 0.85rem; border-radius: 999px;
}
.sello-punto {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--verde); box-shadow: 0 0 10px var(--verde);
  animation: latir-punto 1.6s ease-in-out infinite;
}
@keyframes latir-punto {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

/* -----------------------------------------------------------
   5. Terminal (estado en vivo)
   ----------------------------------------------------------- */
.terminal {
  width: 100%; max-width: var(--ancho-max);
  text-align: left;
  background: linear-gradient(180deg, rgba(10, 28, 56, 0.9), rgba(6, 18, 37, 0.9));
  border: 1px solid var(--navy-600);
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7), inset 0 0 0 1px rgba(1, 211, 231, 0.05);
}
.terminal__barra {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1rem; background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--navy-600);
}
.punto { width: 11px; height: 11px; border-radius: 50%; background: var(--navy-600); }
.punto:nth-child(1) { background: #ff5f57; opacity: 0.7; }
.punto:nth-child(2) { background: #febc2e; opacity: 0.7; }
.punto:nth-child(3) { background: #28c840; opacity: 0.7; }
.terminal__titulo { margin-left: auto; font-family: var(--fuente-mono); font-size: 0.75rem; color: var(--texto-sut); }

.terminal__cuerpo {
  padding: 1.1rem clamp(0.9rem, 3vw, 1.4rem) 1.3rem;
  font-family: var(--fuente-mono);
  font-size: clamp(0.72rem, 2.9vw, 0.9rem); line-height: 1.9;
}
.log {
  display: flex; align-items: baseline; gap: 0.6rem; color: var(--texto-sut);
  opacity: 0; animation: linea-in 0.35s ease forwards;
}
.log:nth-child(1) { animation-delay: 0.2s; }
.log:nth-child(2) { animation-delay: 0.7s; }
.log:nth-child(3) { animation-delay: 1.2s; }
.log:nth-child(4) { animation-delay: 1.7s; }
.log:nth-child(5) { animation-delay: 2.2s; }
.log:nth-child(6) { animation-delay: 2.7s; }

@keyframes linea-in {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: translateX(0);    }
}

.log--comando { color: var(--texto); }
.prompt { color: var(--cian); font-weight: 700; }
.etiqueta { color: var(--texto); flex-shrink: 0; }
.guia {
  flex: 1; min-width: 1.5rem; align-self: center;
  border-bottom: 1px dotted rgba(138, 164, 196, 0.4); transform: translateY(-0.15em);
}
.estado { flex-shrink: 0; font-weight: 500; }
.estado--ok  { color: var(--cian);    }
.estado--wip { color: var(--violeta); }

.log--final .typing {
  color: var(--texto);
  display: inline-block; overflow: hidden; white-space: nowrap; width: 0;
  vertical-align: bottom;
  animation: escribir 1.6s steps(22, end) forwards; animation-delay: 3.1s;
}
@keyframes escribir { to { width: 22ch; } }

.cursor {
  display: inline-block; width: 0.6ch; height: 1.05em; margin-left: 2px;
  background: var(--cian); vertical-align: text-bottom;
  animation: parpadeo 1s step-end infinite;
}
@keyframes parpadeo { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

/* -----------------------------------------------------------
   6. Sistemas en operación (cards) + CTA
   ----------------------------------------------------------- */
.soluciones, .cta {
  width: 100%; max-width: var(--ancho-ancho);
  display: flex; flex-direction: column; align-items: center; text-align: center;
}

.kicker {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--fuente-mono); font-size: 0.68rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--cian);
  margin-bottom: 0.8rem;
}
.kicker-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--verde); box-shadow: 0 0 10px var(--verde);
  animation: latir-punto 1.6s ease-in-out infinite;
}

.seccion-tit {
  font-size: clamp(1.5rem, 5vw, 2.1rem); font-weight: 700; line-height: 1.15; letter-spacing: -0.01em;
  background: linear-gradient(120deg, #ffffff, #b9d3f1);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  max-width: 24ch;
}
.seccion-sub {
  color: var(--texto-sut); font-size: clamp(0.88rem, 3.4vw, 1.02rem);
  margin: 0.5rem 0 1.9rem; line-height: 1.5;
}

.sol-grid {
  width: 100%; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem;
}

.sol-card {
  position: relative; text-align: left; overflow: hidden;
  background: linear-gradient(180deg, rgba(14, 34, 64, 0.55), rgba(6, 16, 33, 0.55));
  border: 1px solid rgba(123, 160, 220, 0.14);
  border-radius: 18px;
  padding: 1.4rem 1.4rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.65rem;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  transition: transform 0.28s cubic-bezier(0.2, 0.7, 0.2, 1), border-color 0.28s ease, box-shadow 0.28s ease, background 0.28s ease;
  opacity: 0; transform: translateY(16px);
  animation: card-in 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  animation-delay: calc(var(--d, 0) * 0.09s + 0.1s);
}
@keyframes card-in { to { opacity: 1; transform: translateY(0); } }

/* Línea de acento superior (visible en hover) */
.sol-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cian), var(--azul), transparent);
  opacity: 0; transition: opacity 0.28s ease;
}
/* Halo suave superior */
.sol-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(120% 80% at 50% -20%, rgba(0, 178, 254, 0.10), transparent 60%);
  opacity: 0; transition: opacity 0.28s ease;
}
.sol-card:hover {
  transform: translateY(-5px);
  border-color: rgba(1, 211, 231, 0.45);
  background: linear-gradient(180deg, rgba(16, 40, 74, 0.7), rgba(7, 18, 37, 0.7));
  box-shadow: 0 22px 50px -26px rgba(0, 178, 254, 0.75);
}
.sol-card:hover::before, .sol-card:hover::after { opacity: 1; }
.sol-card--destacada { border-color: rgba(1, 211, 231, 0.3); }
.sol-card--destacada::before { opacity: 0.6; }

.sol-head { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; }

.sol-ico {
  width: 46px; height: 46px; flex: 0 0 auto; border-radius: 13px;
  display: flex; align-items: center; justify-content: center; color: var(--cian);
  background: linear-gradient(145deg, rgba(1, 211, 231, 0.16), rgba(0, 178, 254, 0.05));
  border: 1px solid rgba(1, 211, 231, 0.25);
  box-shadow: inset 0 0 14px rgba(1, 211, 231, 0.10);
}
.sol-ico svg { width: 24px; height: 24px; }

.sol-rubro {
  font-family: var(--fuente-mono); font-size: 0.66rem; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--texto-sut);
}
.sol-nombre { font-size: clamp(1.2rem, 4.5vw, 1.45rem); font-weight: 700; color: var(--texto); letter-spacing: -0.01em; line-height: 1.15; }
.sol-desc { font-size: clamp(0.87rem, 3.3vw, 0.96rem); color: var(--texto-sut); line-height: 1.6; }

.chip-estado {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--fuente-mono); font-size: 0.6rem; letter-spacing: 0.05em; text-transform: uppercase;
  color: #8ff0c0; background: rgba(40, 200, 64, 0.09);
  border: 1px solid rgba(40, 200, 64, 0.32); border-radius: 999px;
  padding: 0.28rem 0.6rem; white-space: nowrap;
}
.chip-punto {
  width: 7px; height: 7px; border-radius: 50%; background: var(--verde);
  box-shadow: 0 0 8px var(--verde); animation: latir-punto 1.6s ease-in-out infinite;
}

/* CTA */
.cta { margin-top: 0.25rem; }
.cta-botones { display: flex; gap: 0.8rem; flex-wrap: wrap; justify-content: center; margin-top: 0.3rem; }
.btn {
  font-family: var(--fuente-titulo); font-weight: 500;
  font-size: clamp(0.9rem, 3.6vw, 1rem);
  padding: 0.75rem 1.5rem; border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn--primario {
  background: linear-gradient(120deg, var(--cian), var(--azul));
  color: #02101f; font-weight: 700;
  box-shadow: 0 10px 30px -12px rgba(0, 178, 254, 0.7);
}
.btn--primario:hover { transform: translateY(-2px); color: #02101f; box-shadow: 0 14px 34px -10px rgba(1, 211, 231, 0.85); }
.btn--ghost { border: 1px solid var(--navy-600); color: var(--texto); }
.btn--ghost:hover { border-color: rgba(1, 211, 231, 0.5); color: var(--cian); transform: translateY(-2px); }

/* -----------------------------------------------------------
   7. Footer
   ----------------------------------------------------------- */
.pie {
  width: 100%; max-width: var(--ancho-ancho);
  margin-top: auto; padding-top: 1rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 1.5rem;
  font-family: var(--fuente-mono); font-size: 0.78rem; color: var(--texto-sut);
}

/* -----------------------------------------------------------
   8. Responsive
   ----------------------------------------------------------- */
@media (max-width: 620px) {
  .sol-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .pie { flex-direction: column; align-items: center; text-align: center; }
  .log { flex-wrap: wrap; }
  .log .guia { min-width: 1rem; }
  .cta-botones { width: 100%; }
  .btn { flex: 1; text-align: center; }
}

/* -----------------------------------------------------------
   9. Accesibilidad: menos animación
   ----------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .log { opacity: 1; }
  .log--final .typing { width: 22ch; }
  .cursor { opacity: 1; animation: none; }
  .sol-card { opacity: 1; transform: none; }
}