/* IGNITION — landing provisional
   Paleta tomada de la identidad corporativa:
   carbón #1D1C1E · naranja #D5801F · blanco #FFFFFF */

:root {
  --carbon:      #1D1C1E;
  --carbon-deep: #131214;
  --orange:      #D5801F;
  --orange-lit:  #E8912C;
  --ink:         #FFFFFF;
  --ink-soft:    rgba(255, 255, 255, .66);
  --ink-faint:   rgba(255, 255, 255, .38);
  --line:        rgba(255, 255, 255, .10);
  --gutter:      clamp(1.25rem, 5vw, 3.5rem);
  --font: "Barlow", "Helvetica Neue", Arial, system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  font-family: var(--font);
  color: var(--ink);
  background: var(--carbon-deep);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Fondo ──────────────────────────────────────────────── */

.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: var(--carbon-deep); }
.bg > span { position: absolute; inset: 0; display: block; }

.bg__glow {
  background:
    radial-gradient(58% 48% at 50% 34%, rgba(213, 128, 31, .20), transparent 68%),
    radial-gradient(90% 70% at 50% 120%, rgba(213, 128, 31, .09), transparent 70%),
    var(--carbon);
}

.bg__grid {
  background-image:
    linear-gradient(to right, rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(72% 62% at 50% 42%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(72% 62% at 50% 42%, #000 35%, transparent 100%);
}

/* Trazos diagonales en movimiento — el guiño a "materials in motion" */
.bg__streaks {
  background-image: repeating-linear-gradient(
    115deg,
    transparent 0 62px,
    rgba(213, 128, 31, .16) 62px 63px,
    transparent 63px 150px
  );
  background-size: 340px 340px;
  opacity: .5;
  animation: drift 22s linear infinite;
  mask-image: linear-gradient(to bottom, transparent, #000 45%, transparent 92%);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 45%, transparent 92%);
}

@keyframes drift { to { background-position: 340px 0; } }

/* ── Barra superior ─────────────────────────────────────── */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1rem, 3vw, 1.75rem) var(--gutter);
}

.topbar__mark { display: block; width: 34px; height: auto; opacity: .95; }

.lang {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  padding: .45rem .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .02);
  color: var(--ink-faint);
  font: 500 .75rem/1 var(--font);
  letter-spacing: .14em;
  cursor: pointer;
  transition: border-color .25s, color .25s, background-color .25s;
}
.lang:hover { border-color: rgba(213, 128, 31, .55); background: rgba(213, 128, 31, .08); }
.lang:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }
.lang__opt.is-on { color: var(--ink); }
.lang__sep { opacity: .35; }

/* ── Hero ───────────────────────────────────────────────── */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(2rem, 7vh, 5rem) var(--gutter);
}

.hero__logo { margin: 0 0 clamp(1.5rem, 4vh, 2.5rem); }

.hero__logo img {
  display: block;
  width: min(560px, 82vw);
  height: auto;
  animation: rise .9s cubic-bezier(.22, .8, .3, 1) both;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 clamp(1.1rem, 3vh, 1.6rem);
  padding: .45rem 1rem;
  border: 1px solid rgba(213, 128, 31, .38);
  border-radius: 999px;
  background: rgba(213, 128, 31, .10);
  color: var(--orange-lit);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  animation: rise .9s .12s cubic-bezier(.22, .8, .3, 1) both;
}

.badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange-lit);
  box-shadow: 0 0 0 0 rgba(232, 145, 44, .6);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0%          { box-shadow: 0 0 0 0 rgba(232, 145, 44, .55); }
  70%, 100%   { box-shadow: 0 0 0 11px rgba(232, 145, 44, 0); }
}

.hero__lead {
  max-width: 46ch;
  margin: 0 0 clamp(2rem, 5vh, 2.75rem);
  color: var(--ink-soft);
  font-size: clamp(1rem, .95rem + .45vw, 1.2rem);
  font-weight: 300;
  line-height: 1.65;
  text-wrap: balance;
  animation: rise .9s .2s cubic-bezier(.22, .8, .3, 1) both;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  animation: rise .9s .28s cubic-bezier(.22, .8, .3, 1) both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.75rem;
  border-radius: 4px;
  background: var(--orange);
  color: #1A1206;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color .22s, transform .22s, box-shadow .22s;
}
.btn:hover {
  background: var(--orange-lit);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -14px rgba(213, 128, 31, .9);
}
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.btn svg { transition: transform .22s; }
.btn:hover svg { transform: translateX(3px); }

.hero__mail {
  color: var(--ink-faint);
  font-size: .85rem;
  letter-spacing: .05em;
}

/* ── Pie ────────────────────────────────────────────────── */

.foot {
  padding: clamp(1.25rem, 3vw, 2rem) var(--gutter);
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: .76rem;
  letter-spacing: .1em;
  text-align: center;
}
.foot p { margin: 0; }

/* ── Animaciones ────────────────────────────────────────── */

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ── Móvil ──────────────────────────────────────────────── */

@media (max-width: 480px) {
  .badge {
    max-width: 100%;
    padding: .4rem .85rem;
    font-size: .66rem;
    letter-spacing: .1em;
  }
  .hero__logo img { width: min(560px, 78vw); }
  .foot { font-size: .68rem; letter-spacing: .06em; }
  .topbar__mark { width: 30px; }
}