/* ============================================================
   WABii — Landing · Agentes de IA · WhatsApp Business
   Dark mode / neón · HTML + CSS + JS nativo
   ============================================================ */

:root {
  --cyan: #22d3ee;
  --indigo: #6366f1;
  --violet: #8b5cf6;
  --green: #25d366;

  --bg: #05060e;
  --ink: #f1f5ff;
  --muted: #8b93b8;
  --line: rgba(255, 255, 255, 0.08);
  --card: rgba(255, 255, 255, 0.035);

  --grad: linear-gradient(100deg, var(--cyan), var(--violet) 55%, var(--green));
  --nav-h: 70px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
strong, b { color: var(--ink); font-weight: 600; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Fondos ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 25%, #000 40%, transparent 100%);
}
.bg-glow {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(40% 50% at 18% 8%, rgba(34, 211, 238, 0.16), transparent 60%),
    radial-gradient(45% 55% at 85% 18%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(50% 50% at 55% 95%, rgba(37, 211, 102, 0.12), transparent 60%);
  filter: blur(12px);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  padding: 0.85rem 1.5rem; border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s, border-color 0.25s;
  cursor: pointer;
}
.btn--primary {
  color: #03060f; background: var(--grad);
  box-shadow: 0 10px 40px -12px rgba(34, 211, 238, 0.6);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 50px -10px rgba(139, 92, 246, 0.7); }
.btn--ghost { color: var(--ink); border-color: var(--line); background: rgba(255, 255, 255, 0.03); }
.btn--ghost:hover { border-color: var(--cyan); background: rgba(34, 211, 238, 0.08); }
.btn--sm { padding: 0.55rem 1.1rem; font-size: 0.82rem; }
.btn--lg { padding: 1.05rem 2.2rem; font-size: 1.05rem; }
.btn--block { width: 100%; }

/* ---------- NAV ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0 clamp(1rem, 4vw, 3rem); z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(5, 6, 14, 0.6);
  border-bottom: 1px solid var(--line);
}
.nav__brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: 'Orbitron', sans-serif; font-weight: 700; letter-spacing: 0.14em;
  font-size: 1rem; color: var(--ink); text-decoration: none;
}
.nav__icon { height: 38px; width: auto; filter: drop-shadow(0 0 12px rgba(34, 211, 238, 0.4)); }
.nav__links { display: flex; gap: 1.6rem; }
.nav__links a {
  color: var(--muted); text-decoration: none; font-size: 0.85rem; font-weight: 500;
  letter-spacing: 0.02em; transition: color 0.25s;
}
.nav__links a:hover { color: var(--ink); }
.nav__auth { display: flex; gap: 0.6rem; }

/* ============================================================
   HERO / HEADER — logo animado con efectos
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 2rem) clamp(1rem, 5vw, 2rem) 4rem;
  position: relative;
}

.hero__stage {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.4rem;
  animation: hero-in 1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
@keyframes hero-in {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Halo de glow pulsante detrás del logo */
.hero__halo {
  position: absolute;
  width: min(86vw, 760px); aspect-ratio: 1 / 1; border-radius: 50%;
  background:
    radial-gradient(circle at 35% 45%, rgba(34, 211, 238, 0.28), transparent 60%),
    radial-gradient(circle at 70% 40%, rgba(139, 92, 246, 0.26), transparent 60%),
    radial-gradient(circle at 60% 75%, rgba(37, 211, 102, 0.18), transparent 60%);
  filter: blur(34px);
  animation: halo 7s ease-in-out infinite;
}
@keyframes halo {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.14); opacity: 1; }
}

/* Anillo cónico que rota lentamente */
.hero__ring {
  position: absolute;
  width: min(78vw, 620px); aspect-ratio: 1 / 1; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent, rgba(34, 211, 238, 0.35), transparent 30%, rgba(139, 92, 246, 0.35), transparent 60%, rgba(37, 211, 102, 0.3), transparent);
  mask: radial-gradient(circle, transparent 60%, #000 61%, #000 63%, transparent 64%);
  -webkit-mask: radial-gradient(circle, transparent 60%, #000 61%, #000 63%, transparent 64%);
  filter: blur(2px);
  animation: spin 18s linear infinite;
  opacity: 0.7;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Logo flotante */
.hero__logo {
  position: relative; z-index: 2;
  width: clamp(300px, 70vw, 700px); height: auto;
  filter: drop-shadow(0 0 40px rgba(34, 211, 238, 0.4)) drop-shadow(0 0 90px rgba(139, 92, 246, 0.32));
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* Brillo que cruza el logo */
.hero__shine {
  position: absolute; z-index: 3; top: 0; left: 0;
  width: min(70vw, 700px); height: 100%;
  background: linear-gradient(105deg, transparent 38%, rgba(255, 255, 255, 0.18) 48%, transparent 58%);
  mix-blend-mode: screen;
  transform: translateX(-120%);
  animation: shine 5.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shine {
  0%, 55% { transform: translateX(-120%); }
  75%, 100% { transform: translateX(120%); }
}

.hero__eyebrow {
  font-family: 'Orbitron', sans-serif; color: var(--cyan);
  letter-spacing: 0.26em; font-size: 0.74rem; margin-bottom: 1.2rem;
}
.hero__title {
  font-family: 'Orbitron', sans-serif; font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.9rem); line-height: 1.1; margin-top: 0.4rem;
}
.hero__sub {
  color: var(--muted); font-size: clamp(1rem, 2.4vw, 1.2rem);
  max-width: 660px; margin: 1.6rem auto 0;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-top: 2.2rem; }

.hero__scroll {
  position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 1px solid var(--line); border-radius: 999px;
}
.hero__scroll span {
  position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; border-radius: 2px;
  background: var(--cyan); transform: translateX(-50%);
  animation: scrolly 1.6s ease-in-out infinite;
}
@keyframes scrolly { 0% { opacity: 0; top: 8px; } 40% { opacity: 1; } 100% { opacity: 0; top: 24px; } }

/* ============================================================
   PRODUCTOS
   ============================================================ */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 3rem; padding: 0 1rem; }
.section-head__eyebrow {
  font-family: 'Orbitron', sans-serif; color: var(--violet);
  letter-spacing: 0.24em; font-size: 0.74rem; margin-bottom: 0.9rem;
}
.section-head__title { font-family: 'Orbitron', sans-serif; font-weight: 800; font-size: clamp(1.6rem, 4vw, 2.6rem); }
.section-head__sub { color: var(--muted); font-size: clamp(1rem, 2vw, 1.15rem); margin-top: 1rem; }

.products { padding: clamp(3rem, 8vw, 6rem) clamp(1.2rem, 6vw, 5rem); }
.grid {
  display: grid; gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  max-width: 1140px; margin: 0 auto;
}

.card {
  position: relative;
  display: flex; flex-direction: column;
  padding: 2rem 1.8rem;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  background:
    radial-gradient(120% 90% at 50% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    var(--card);
  backdrop-filter: blur(6px);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s, box-shadow 0.3s;
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7;
}
.card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 24px 60px -24px color-mix(in srgb, var(--accent) 60%, transparent);
}
.card__icon {
  width: 54px; height: 54px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 1.2rem;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  box-shadow: inset 0 0 24px -8px color-mix(in srgb, var(--accent) 70%, transparent);
}
.card__icon svg { width: 28px; height: 28px; }
.card__name { font-family: 'Orbitron', sans-serif; font-weight: 700; font-size: 1.35rem; }
.card__tagline { color: var(--accent); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em; margin-top: 0.3rem; }
.card__desc { color: var(--muted); font-size: 0.96rem; margin-top: 1rem; flex: 1; }
.card__tags { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.4rem 0; }
.card__tags li {
  font-size: 0.74rem; padding: 0.35rem 0.75rem; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--line));
  color: color-mix(in srgb, var(--accent) 82%, var(--ink));
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.card__actions { display: flex; flex-direction: column; gap: 0.6rem; margin-top: auto; }

/* ---------- Por qué WABii ---------- */
.why {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  max-width: 1140px; margin: 0 auto;
  padding: 0 clamp(1.2rem, 6vw, 5rem) clamp(3rem, 7vw, 5rem);
}
.why__item {
  padding: 1.4rem 1.2rem; border-radius: 16px;
  border: 1px solid var(--line); background: var(--card);
  display: flex; flex-direction: column; gap: 0.4rem;
}
.why__item b { font-family: 'Orbitron', sans-serif; font-size: 1.05rem; }
.why__item span { color: var(--muted); font-size: 0.9rem; }

/* ---------- Footer ---------- */
.foot {
  border-top: 1px solid var(--line);
  padding: 2rem clamp(1.2rem, 6vw, 5rem);
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem;
  justify-content: center;
  color: var(--muted); font-size: 0.85rem;
  font-family: 'Orbitron', sans-serif; letter-spacing: 0.06em;
}
.foot__icon { height: 30px; width: auto; }
.foot__site { color: var(--cyan); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 767px) {
  .nav__links { display: none; }
  .nav__brand span { display: none; }
  .hero__shine { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__logo, .hero__halo, .hero__ring, .hero__shine, .hero__scroll span, .hero__stage { animation: none; }
  .hero__shine { display: none; }
}