/* ════════════════════════════════════════════════════════════════
   SEIS360 — Landing comercial
   Paleta y tipografía
════════════════════════════════════════════════════════════════ */
:root {
  /* Acento del sistema */
  --accent: #2160E8;
  --accent-dark: #1a4ec2;
  --accent-soft: rgba(33, 96, 232, .1);
  /* Rojo de marca (llama + camión) */
  --red: #d61f2b;
  --ink: #0b1220;
  --night: #0b1020;
  --night-2: #0e1426;
  --slate: #334155;
  --muted: #64748b;
  --line: #e8ebf1;
  --bg: #ffffff;
  --bg-soft: #f7f8fc;
  --maxw: 1200px;
  --radius: 18px;
  --shadow: 0 24px 60px -22px rgba(13, 26, 64, .35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4 { margin: 0; line-height: 1.05; letter-spacing: -.02em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; font-weight: 600; font-size: .95rem;
  padding: .8rem 1.4rem; border-radius: 999px; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  border: 1px solid transparent; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 12px 26px -10px rgba(33, 96, 232, .65); }
.btn--primary:hover { background: var(--accent-dark); }
.btn--outline { border-color: rgba(255,255,255,.28); color: #fff; }
.btn--outline:hover { background: rgba(255,255,255,.08); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--outline-dark { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--outline-dark:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn--lg { padding: 1rem 1.8rem; font-size: 1.05rem; }

/* ════════════════════════════════════════════════════════════════
   NAV
════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 2rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  transition: background .3s ease, box-shadow .3s ease, padding .3s ease;
}
.nav--solid {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav__brand { display: flex; align-items: center; gap: .5rem; color: #fff; }
.nav--solid .nav__brand { color: var(--ink); }
.nav__logo { height: 34px; width: auto; object-fit: contain; display: block; }
/* Tipografía de marca del sistema (Inter 800, mayúsculas) */
.brand-word {
  display: inline-flex; align-items: baseline; line-height: 1;
  font-family: 'Inter', sans-serif; font-weight: 800;
  text-transform: uppercase; letter-spacing: -0.01em; font-size: 1.35rem;
}
.brand-word__accent { color: #d41e11; }
.nav--solid .brand-word__accent { color: #780000; }
.nav__links { display: flex; gap: 1.6rem; margin-left: auto; font-weight: 500; font-size: .95rem; color: rgba(255,255,255,.85); }
.nav--solid .nav__links { color: var(--slate); }
.nav__links a:hover { color: var(--red); }
.nav__cta {
  padding: .5rem 1.15rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
}
.nav__cta:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.55); }
.nav--solid .nav__cta { border-color: var(--line); color: var(--ink); }
.nav--solid .nav__cta:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

@media (max-width: 820px) {
  .nav__links { display: none; }
  .nav__cta { margin-left: auto; }   /* sin los links, empuja el botón a la derecha */
}

/* ════════════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════════ */
.hero {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center;
  padding: 6.5rem clamp(1.25rem, 4vw, 3rem) 0;
  background:
    radial-gradient(1100px 560px at 80% -6%, rgba(33,96,232,.30), transparent 60%),
    radial-gradient(700px 460px at 4% 108%, rgba(214,31,43,.12), transparent 60%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 58%, #0a0f1d 100%);
  color: #fff; overflow: hidden;
}
.hero__sky { position: absolute; inset: 0; pointer-events: none; }
.star {
  position: absolute; left: var(--x); top: var(--y);
  width: 3px; height: 3px; border-radius: 50%; background: #fff; opacity: .4;
  animation: twinkle 3s ease-in-out var(--d) infinite;
}
@keyframes twinkle { 0%,100% { opacity: .12; } 50% { opacity: .65; } }

/* Grid de dos columnas: texto + mockup */
.hero__grid {
  position: relative; z-index: 3; width: 100%; max-width: var(--maxw);
  margin: 0 auto; flex: 1;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  align-items: center; gap: clamp(2rem, 5vw, 4.5rem);
}
.hero__col { max-width: 560px; }
.hero__eyebrow {
  text-transform: uppercase; letter-spacing: .22em; font-size: .78rem;
  font-weight: 700; color: #8fb4ff; margin-bottom: 1.1rem;
}
.hero__title { font-size: clamp(2.3rem, 4.3vw, 3.8rem); font-weight: 900; line-height: 1.04; }
.hero__sub { margin: 1.3rem 0 2rem; max-width: 520px; font-size: clamp(1rem, 1.4vw, 1.18rem); color: rgba(255,255,255,.78); line-height: 1.6; }
.hero__sub strong { color: #fff; font-weight: 700; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Mockup real del producto */
.hero__visual { position: relative; }
.hero__glow {
  position: absolute; inset: -12% -8% -12% -2%; border-radius: 30px;
  background: radial-gradient(60% 60% at 55% 40%, rgba(33,96,232,.38), transparent 70%);
  filter: blur(22px);
}
.device {
  position: relative; margin: 0; border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.04);
  transform: perspective(1600px) rotateY(-7deg) rotateX(2deg);
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty {
  0%,100% { transform: perspective(1600px) rotateY(-7deg) rotateX(2deg) translateY(0); }
  50%     { transform: perspective(1600px) rotateY(-7deg) rotateX(2deg) translateY(-9px); }
}
.device__bar { display: flex; gap: .5rem; padding: .7rem .9rem; background: #0f1729; border-bottom: 1px solid rgba(255,255,255,.08); }
.device__bar i { width: 10px; height: 10px; border-radius: 50%; }
.device__bar i:nth-child(1){ background:#ff5f57 } .device__bar i:nth-child(2){ background:#febc2e } .device__bar i:nth-child(3){ background:#28c840 }
.device__img { display: block; width: 100%; height: auto; }

/* Chips flotantes (producto real + IA) */
.hero__chip {
  position: absolute; display: flex; align-items: center; gap: .65rem;
  padding: .6rem .85rem; border-radius: 12px;
  background: rgba(13,20,36,.85); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 16px 34px -14px rgba(0,0,0,.65);
}
.hero__chip-txt { display: flex; flex-direction: column; line-height: 1.25; }
.hero__chip-txt b { font-size: .82rem; font-weight: 700; color: #fff; }
.hero__chip-txt i { font-style: normal; font-size: .72rem; color: rgba(255,255,255,.62); }
.hero__chip--risk { top: 13%; left: -8%; }
.hero__chip--ia { bottom: 11%; right: -7%; }
.hero__chip-dot { width: 11px; height: 11px; border-radius: 50%; background: #ea580c; box-shadow: 0 0 0 4px rgba(234,88,12,.22); }
.hero__chip-ia { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--accent); color: #fff; font-size: .68rem; font-weight: 800; }

/* Barra de confianza institucional */
.hero__trust {
  position: relative; z-index: 3; list-style: none; padding: 1.5rem 0 1.7rem;
  margin: 2rem auto 0; width: 100%; max-width: var(--maxw);
  display: flex; flex-wrap: wrap; gap: 1rem 2.6rem; justify-content: center;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hero__trust li { display: inline-flex; align-items: center; gap: .55rem; font-size: .87rem; font-weight: 500; color: rgba(255,255,255,.62); }
.hero__trust svg { width: 17px; height: 17px; fill: currentColor; opacity: .8; }

@media (max-width: 900px) {
  .hero { text-align: center; }
  .hero__grid { grid-template-columns: 1fr; gap: 2.6rem; }
  .hero__col { max-width: 640px; margin: 0 auto; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .device { transform: none; animation: none; }
}

/* ════════════════════════════════════════════════════════════════
   STRIP
════════════════════════════════════════════════════════════════ */
.strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border-bottom: 1px solid var(--line);
}
.strip__item { background: #fff; padding: 1.6rem 1.4rem; display: flex; flex-direction: column; gap: .25rem; }
.strip__item b { font-size: 1.05rem; }
.strip__item span { color: var(--muted); font-size: .9rem; }
@media (max-width: 820px) { .strip { grid-template-columns: repeat(2, 1fr); } }

/* ════════════════════════════════════════════════════════════════
   SECTION HEAD
════════════════════════════════════════════════════════════════ */
.section-head { max-width: var(--maxw); margin: 0 auto; padding: clamp(4rem, 9vw, 7rem) 1.5rem 1rem; text-align: center; }
.section-head__eyebrow { text-transform: uppercase; letter-spacing: .2em; font-size: .78rem; font-weight: 700; color: var(--accent); }
.section-head__title { margin-top: .7rem; font-size: clamp(1.8rem, 4.5vw, 3rem); font-weight: 800; }

/* ════════════════════════════════════════════════════════════════
   FEATURES
════════════════════════════════════════════════════════════════ */
.features { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem 2rem; }
.feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem);
  align-items: center; padding: clamp(3rem, 6vw, 5rem) 0;
}
.feature--reverse .feature__text { order: 2; }
.feature__num { display: inline-block; font-weight: 800; color: var(--accent); font-size: .9rem; letter-spacing: .1em; margin-bottom: .8rem; }
.feature__num--ia { background: var(--accent); color: #fff; padding: .25rem .6rem; border-radius: 999px; }
.feature__text h3 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); font-weight: 800; margin-bottom: .8rem; }
.feature__text p { color: var(--slate); font-size: 1.05rem; line-height: 1.65; }
.feature__list { list-style: none; padding: 0; margin: 1.3rem 0 0; display: flex; flex-direction: column; gap: .6rem; }
.feature__list li { position: relative; padding-left: 1.7rem; color: var(--ink); font-weight: 500; }
.feature__list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 1.15rem; height: 1.15rem; display: grid; place-items: center; font-size: .7rem; font-weight: 800; color: #fff; background: var(--accent); border-radius: 50%; }

@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; }
  .feature--reverse .feature__text { order: 0; }
}

/* ── Mock (browser frame con captura real) ──────────────── */
.mock {
  margin: 0; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); background: #fff; border: 1px solid var(--line);
}
.mock__bar { display: flex; gap: .5rem; padding: .75rem 1rem; background: #f1f3f8; border-bottom: 1px solid var(--line); }
.mock__bar i { width: 11px; height: 11px; border-radius: 50%; }
.mock__bar i:nth-child(1) { background: #ff5f57; } .mock__bar i:nth-child(2) { background: #febc2e; } .mock__bar i:nth-child(3) { background: #28c840; }
.mock__img { display: block; width: 100%; height: auto; background: #f1f3f8; }

/* ── Reveal al entrar en viewport (robusto, sin depender de ScrollTrigger) ── */
.feature__text, .feature__media, .strip__item, .plan {
  transition: opacity .7s ease, transform .7s ease;
}
.feature__media { transition-delay: .08s; }
.js .feature__text, .js .feature__media, .js .strip__item, .js .plan {
  opacity: 0; transform: translateY(38px);
}
.feature__text.is-in, .feature__media.is-in, .strip__item.is-in, .plan.is-in {
  opacity: 1; transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js .feature__text, .js .feature__media, .js .strip__item, .js .plan { opacity: 1; transform: none; }
}

/* ════════════════════════════════════════════════════════════════
   PLANES
════════════════════════════════════════════════════════════════ */
.planes { background: var(--bg-soft); border-top: 1px solid var(--line); }
.planes__grid { max-width: var(--maxw); margin: 0 auto; padding: 1rem 1.5rem 5rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.8rem; display: flex; flex-direction: column; gap: 1rem; }
.plan--featured { border-color: var(--accent); box-shadow: var(--shadow); position: relative; transform: translateY(-8px); }
.plan__tag { position: absolute; top: -12px; left: 1.8rem; background: var(--accent); color: #fff; font-size: .72rem; font-weight: 700; padding: .25rem .7rem; border-radius: 999px; }
.plan h4 { font-size: 1.3rem; }
.plan__price { color: var(--muted); font-weight: 600; }
.plan ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .55rem; color: var(--slate); }
.plan ul li { padding-left: 1.4rem; position: relative; }
.plan ul li::before { content: "›"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.plan .btn { margin-top: auto; }
@media (max-width: 860px) { .planes__grid { grid-template-columns: 1fr; } .plan--featured { transform: none; } }

/* ════════════════════════════════════════════════════════════════
   CTA + FOOTER
════════════════════════════════════════════════════════════════ */
.cta { text-align: center; padding: clamp(4rem, 9vw, 7rem) 1.5rem; color: #fff;
  background: radial-gradient(900px 420px at 50% -20%, rgba(33,96,232,.4), transparent 60%), linear-gradient(180deg, #0d1424, #0a101e); }
.cta h2 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); font-weight: 800; max-width: 700px; margin: 0 auto; }
.cta p { margin: 1rem auto 2rem; max-width: 520px; color: rgba(255,255,255,.75); font-size: 1.1rem; }
.cta__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.footer { background: #060a14; color: rgba(255,255,255,.6); text-align: center; padding: 3rem 1.5rem; }
.footer__brand { display: inline-flex; align-items: center; gap: .55rem; color: #fff; }
.footer__brand .brand-word { font-size: 1.7rem; }
.footer__mark { height: 38px; width: auto; object-fit: contain; }
.footer p { margin-top: .6rem; }
.footer__legal { margin-top: 1.2rem; font-size: .85rem; color: rgba(255,255,255,.4); }

/* ════════════════════════════════════════════════════════════════
   Barra de progreso de scroll (fina, arriba)
════════════════════════════════════════════════════════════════ */
.scroll-progress {
  position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60;
  background: linear-gradient(90deg, var(--accent), #5b8bff);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .08s linear;
}

/* ── Móvil: escena del hero más contenida ────────────────── */
@media (max-width: 640px) {
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .hero__chip { display: none; }
  .hero__trust { gap: .7rem 1.4rem; }
  .hero__trust li { font-size: .8rem; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; }
  html { scroll-behavior: auto; }
}