/* ═══════════════════════════════════════════════════════════════════
   BECUCO · Official Landing Page
   Design & Luxury Tokens (High Performance & SEO Optimized)
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --color-green: #001E02;
  --color-green-btn-hover: #072e0a;
  --color-card-bg: #F2E6D9;
  --color-cream: #E2C9AC;
  --color-cream-light: #F2E6D9;
  --color-ocre: #965C2D;
  --color-brown-dark: #2A180E;
  --color-brown-mid: #4D1E02;
  --font-serif: 'Cormorant', Garamond, 'EB Garamond', Georgia, serif;
  --footer-height: 44px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  background-color: var(--color-green);
  color: var(--color-green);
  font-family: var(--font-serif);
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ── Video de Fondo & Fallback de Imagen Inmediata (LCP Boost) ─────── */
.video-background-container {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background-color: var(--color-green);
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  /* Fallback instantáneo en CSS antes de que cargue el video */
  background-image: url('../images/poster-desktop.webp');
}

.bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.bg-video.is-loaded {
  opacity: 1;
}

.video-scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(circle at center, rgba(0, 30, 2, 0.15) 0%, rgba(0, 30, 2, 0.45) 100%);
}

/* ── Contenedor Principal (Stage) ─────────────────────────────────── */
.stage {
  position: relative;
  z-index: 2;
  min-height: calc(100vh - var(--footer-height));
  min-height: calc(100dvh - var(--footer-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px 24px;
}

/* ── Tarjeta Central (Launch Card) ────────────────────────────────── */
.launch-card {
  width: 100%;
  max-width: 390px;
  background-color: var(--color-card-bg);
  padding: 42px 36px 34px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  animation: cardFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  position: relative;
}

@keyframes cardFadeUp {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Logotipo */
.brand-header {
  margin-bottom: 22px;
}

.brand-logo {
  display: block;
  margin: 0 auto;
  max-width: 142px;
  height: auto;
}

/* Textos Superiores */
.lead-italic {
  font-family: var(--font-serif);
  font-weight: 500;
  font-style: italic;
  font-size: 15px;
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--color-green);
  margin-bottom: 12px;
}

.chapter-tag {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 14.5px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--color-green);
  margin-bottom: 24px;
}

/* Sección Fecha y Convocatoria */
.launch-date {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 24px;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-green);
  margin-bottom: 8px;
}

.invitation-text {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--color-green);
  margin-bottom: 20px;
}

/* Formulario */
.waitlist-form {
  width: 100%;
}

.field-group {
  margin-bottom: 20px;
  position: relative;
}

.field-group input[type="email"] {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(0, 30, 2, 0.4);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 300;
  color: var(--color-green);
  padding: 10px 4px;
  text-align: center;
  outline: none;
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.field-group input[type="email"]::placeholder {
  color: rgba(0, 30, 2, 0.55);
  font-style: normal;
  font-weight: 300;
  font-size: 14.5px;
  letter-spacing: 0.02em;
}

.field-group input[type="email"]:focus {
  border-bottom-color: var(--color-green);
}

.field-group input[type="email"]:focus-visible {
  outline: 1px solid var(--color-green);
  outline-offset: 4px;
}

/* Botón */
.submit-btn {
  width: 100%;
  background-color: var(--color-green);
  color: var(--color-cream);
  border: 1px solid var(--color-green);
  font-family: var(--font-serif);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  padding: 14.5px 16px;
  cursor: pointer;
  transition: all 0.35s ease;
  display: block;
}

.submit-btn:hover {
  background-color: var(--color-green-btn-hover);
  letter-spacing: 0.24em;
}

.submit-btn:focus-visible {
  outline: 2px solid var(--color-ocre);
  outline-offset: 3px;
}

.submit-btn[disabled] {
  opacity: 0.65;
  cursor: wait;
}

/* Mensajes de Estado */
.form-feedback {
  display: none;
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.4;
  font-weight: 400;
  color: var(--color-brown-mid);
}

.form-feedback.is-visible {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Redes Sociales (Separadas con Gap de 8px y SVG Ultralivianos) ── */
.social-nav {
  margin-top: 22px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px; /* Separación exacta de 8px solicitada */
}

.social-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 30px;
  border: 1px solid rgba(0, 30, 2, 0.4);
  color: var(--color-green);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-item:hover {
  background-color: rgba(0, 30, 2, 0.08);
  border-color: var(--color-green);
}

.social-item svg {
  width: auto;
  height: 13px;
  max-width: 14px;
  fill: currentColor;
  display: block;
  transition: transform 0.25s ease;
}

.social-item:hover svg {
  transform: scale(1.08);
}

/* ── Barra Inferior (Footer Bar) ──────────────────────────────────── */
.footer-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--footer-height);
  background-color: var(--color-green);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
}

.slogan {
  font-family: var(--font-serif);
  font-size: 11.5px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--color-cream);
  text-align: center;
}

.privacy-link {
  position: absolute;
  right: 24px;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(226, 201, 172, 0.65);
  text-decoration: none;
  transition: color 0.3s ease;
}

.privacy-link:hover {
  color: var(--color-cream);
  text-decoration: underline;
}

/* Honeypot anti-spam oculto */
.pot {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Control por defecto (Escritorio > 768px): */
.bg-video-phone {
  display: none;
}
.bg-video-desktop {
  display: block;
}

.logo-light {
  display: none;
}
.logo-dark {
  display: block;
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE: MÓVIL (<= 768px)
   Idéntico a LAUNCH PHONE.pdf
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .video-background-container {
    background-image: url('../images/poster-phone.webp');
    background-position: center center;
  }

  .bg-video-desktop {
    display: none;
  }
  .bg-video-phone {
    display: block;
  }

  /* Scrim graduado para contraste perfecto de tipografía clara */
  .video-scrim {
    background: linear-gradient(
      to bottom,
      rgba(0, 10, 1, 0.2) 0%,
      rgba(0, 15, 2, 0.45) 45%,
      rgba(0, 20, 2, 0.72) 100%
    );
  }

  /* Tarjeta transparente posada directamente sobre el video */
  .stage {
    padding: 30px 20px calc(var(--footer-height) + 16px);
  }

  .launch-card {
    background: transparent;
    box-shadow: none;
    max-width: 360px;
    padding: 10px 14px;
  }

  .logo-dark {
    display: none;
  }
  .logo-light {
    display: block;
    max-width: 136px;
  }

  /* Textos en Crema */
  .lead-italic {
    color: var(--color-cream-light);
    font-size: 15px;
    line-height: 1.35;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75);
  }

  .chapter-tag {
    color: var(--color-cream-light);
    font-size: 14.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75);
    margin-bottom: 28px;
  }

  .launch-date {
    color: var(--color-cream-light);
    font-size: 24px;
    letter-spacing: 0.16em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.75);
  }

  .invitation-text {
    color: var(--color-cream-light);
    font-size: 14.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75);
    margin-bottom: 22px;
  }

  /* Input con línea crema y texto crema */
  .field-group input[type="email"] {
    border-bottom: 1px solid rgba(226, 201, 172, 0.45);
    color: var(--color-cream-light);
    font-size: 15.5px;
  }

  .field-group input[type="email"]::placeholder {
    color: rgba(226, 201, 172, 0.65);
  }

  .field-group input[type="email"]:focus {
    border-bottom-color: var(--color-cream);
  }

  .field-group input[type="email"]:focus-visible {
    outline: 1px solid var(--color-cream);
    outline-offset: 4px;
  }

  /* Botón móvil */
  .submit-btn {
    background-color: var(--color-green);
    border: 1px solid rgba(226, 201, 172, 0.4);
    color: var(--color-cream);
  }

  .submit-btn:hover {
    background-color: #042e07;
    border-color: var(--color-cream);
  }

  /* Redes sociales claras con gap de 8px */
  .social-item {
    border-color: rgba(226, 201, 172, 0.45);
    color: var(--color-cream);
  }

  .social-item:hover {
    background-color: rgba(226, 201, 172, 0.15);
    border-color: var(--color-cream);
  }

  .form-feedback {
    color: var(--color-cream);
  }

  .privacy-link {
    right: 14px;
    font-size: 10px;
  }
}

/* Pantallas pequeñas (<= 360px) */
@media (max-width: 360px) {
  .launch-card {
    padding: 6px 10px;
  }
  .launch-date {
    font-size: 21px;
    letter-spacing: 0.12em;
  }
  .slogan {
    font-size: 10px;
    letter-spacing: 0.2em;
  }
  .privacy-link {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .launch-card {
    animation: none;
  }
  .bg-video {
    transition: none;
  }
}