/*
  ============================================================
  ESTILO "AuraFi Landing" v1.0
  ============================================================
  - Aplicación del tema "AuraFi" a la estructura original del index.
  - Estilos para header, hero, features y steps con efecto de cristal.
*/

/* --- Variables y Estilos Generales --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

:root {
    --background-dark: #0d1117;
    --glass-bg: rgba(30, 36, 49, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glow-primary: #00e5ff;
    --glow-secondary: #ff00e5;
    --text-primary: #e6f1ff;
    --text-secondary: #8a96b1;
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --border-radius: 16px;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-dark);
    color: var(--text-primary);
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
}

/* --- Video de Fondo y Overlays --- */
.video-background {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -3; overflow: hidden;
}
.video-background video {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}
.video-background video.active { opacity: 1; }

.video-overlay {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(13, 17, 23, 0.7); /* Overlay oscuro */
    z-index: -2;
}

body::before { /* Efecto Aurora sobre el video */
    content: ''; position: fixed; top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: radial-gradient(circle at 15% 25%, var(--glow-primary), transparent 30%), radial-gradient(circle at 85% 75%, var(--glow-secondary), transparent 30%);
    filter: blur(100px); opacity: 0.25; z-index: -1;
    animation: animateAurora 20s ease-in-out infinite alternate;
}

@keyframes animateAurora {
    from { transform: rotate(0deg) scale(1.2); }
    to { transform: rotate(360deg) scale(1.8); }
}


/* --- Header --- */
.landing-header {
    padding: 15px 0;
    position: sticky; top: 0;
    z-index: 1000;
}
.landing-header .container {
    display: flex; justify-content: space-between; align-items: center;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { width: 60px; height: 60px; 
     /* 2. Aumenta el tamaño VISUALMENTE sin afectar el layout */
  transform: scale(4.0); /* <-- ¡Ajusta este número! Por ejemplo, 1.5 es 50% más grande */

  /* Opcional: Añade una transición para que cualquier cambio futuro sea suave */
  transition: transform 0.3s ease;
}

/* También puedes añadir un efecto al pasar el ratón */
.logo:hover .logo-icon {
    transform: scale(1.6); /* Ligeramente más grande al pasar el ratón */

}
.logo h1 {
    font-size: 24px; font-weight: 700;
    background: linear-gradient(90deg, var(--glow-primary), var(--glow-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.main-nav a { margin-left: 10px; text-decoration: none; }

/* --- Botones --- */
.btn {
    padding: 10px 22px; border-radius: 10px; border: 2px solid transparent;
    cursor: pointer; transition: all 0.3s ease;
    font-size: 16px; font-weight: 600;
}
.btn-primary {
    background-image: linear-gradient(90deg, var(--glow-primary) 0%, var(--glow-secondary) 100%);
    color: var(--background-dark);
    box-shadow: 0 0 25px rgba(0, 229, 255, 0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 35px rgba(255, 0, 229, 0.5); }
.btn-secondary {
    background-color: transparent;
    border-color: var(--glow-primary);
    color: var(--glow-primary);
}
.btn-secondary:hover { background-color: var(--glow-primary); color: var(--background-dark); }
.btn-lg { font-size: 18px; padding: 14px 32px; font-weight: 700; }

/* --- Secciones de Contenido --- */
.main-content { position: relative; z-index: 2; }

.hero-section {
    color: var(--text-primary); text-align: center; min-height: 85vh;
    display: flex; align-items: center; justify-content: center;
    padding: 100px 20px;
}
.hero-section h2 {
    font-size: 4rem; font-weight: 800; margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.hero-section .subtitle {
    font-size: 1.25rem; max-width: 700px;
    margin: 0 auto 40px; color: var(--text-secondary); line-height: 1.7;
}

.features-section, .how-it-works-section {
    padding: 100px 20px;
}
.section-heading {
    text-align: center; font-size: 2.5rem;
    margin-bottom: 60px; font-weight: 700; color: var(--text-primary);
}
.features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    padding: 35px; text-align: center;
    transform-style: preserve-3d; transform: perspective(1000px);
}
.feature-card i { font-size: 40px; color: var(--glow-primary); margin-bottom: 25px; }
.feature-card h4 { font-size: 22px; margin-bottom: 15px; color: var(--text-primary); }
.feature-card p { color: var(--text-secondary); line-height: 1.6; }

.steps-container {
    display: flex; justify-content: space-around; align-items: center;
    gap: 20px; flex-wrap: wrap;
}
.step { text-align: center; flex: 1; max-width: 280px; }
.step-number {
    width: 60px; height: 60px;
    background: linear-gradient(45deg, var(--glow-primary), var(--glow-secondary));
    color: var(--background-dark); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; font-weight: 700; margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.4);
}
.step h4 { font-size: 22px; margin-bottom: 10px; color: var(--text-primary); }
.step p { color: var(--text-secondary); line-height: 1.6; }
.step-arrow {
    font-size: 32px; color: var(--glow-primary); flex-grow: 1; text-align: center;
}

.landing-footer {
    background-color: #0d1117;
    color: var(--text-secondary); text-align: center;
    padding: 30px 20px;
}

@media (max-width: 768px) {
    .steps-container { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); margin: 15px 0; }
    .hero-section h2 { font-size: 2.5rem; }
    .hero-section .subtitle { font-size: 1.1rem; }
    .main-nav { display: none; }
}