/* SYNAPSE LABS - GLOBAL STYLES 
   Diseño: Glassmorphism + Modern Web3
*/

/* --- Tipografía --- */
body { 
    font-family: 'Inter', sans-serif; 
}
h1, h2, h3, h4, h5, h6 { 
    font-family: 'Space Grotesk', sans-serif; 
    letter-spacing: -0.02em; 
}

/* --- Video de Fondo Global --- */
#background-video {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    object-fit: cover;
}

/* Superposición para legibilidad */
.video-overlay {
    position: fixed;
    inset: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.856), rgba(249, 250, 251, 0.7));
    z-index: -99;
    transition: background 0.3s ease;
}

/* CORRECCIÓN MODO OSCURO: Fondo más oscuro */
.dark .video-overlay {
    background: linear-gradient(to bottom, rgba(3, 7, 18, 0.95), rgba(17, 24, 39, 0.9));
}

/* --- Sistema Glassmorphism (Tarjetas de Cristal) --- */
.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark .glass-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(139, 92, 246, 0.5);
}

/* --- Header Glass --- */
.header-bg {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.dark .header-bg {
    background: rgba(3, 7, 18, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Footer Glass (SIEMPRE OSCURO) --- */
.footer-glass {
    background: rgba(15, 23, 42, 0.95); /* Slate 900 casi sólido */
    backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #F8FAFC; /* Texto base blanco */
}

/* --- Paleta de Colores --- */
.main-text { 
    color: #0f172a; 
}
.dark .main-text { 
    color: #FFFFFF; /* Blanco puro en modo oscuro */
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.1); /* Sutil brillo */
}

.secondary-text { 
    color: #334155; 
    font-weight: 500;
}
.dark .secondary-text { 
    color: #CBD5E1; /* Slate 300 - Claro y legible */
    font-weight: 400;
}

/* --- Gradientes y Correcciones de Texto --- */
.primary-gradient-text {
    /* Define el degradado base */
    background: linear-gradient(135deg, #7C3AED 0%, #DB2777 100%);
    /* Recorta el fondo a la forma del texto */
    -webkit-background-clip: text;
    background-clip: text;
    /* Hace el texto transparente para ver el fondo */
    color: transparent;
    /* Asegura que inline-block o block se comporten bien con el clip */
    display: inline-block; 
}

.dark .primary-gradient-text {
    /* CORRECCIÓN CRÍTICA: Usar 'background-image' en lugar de 'background' para NO resetear el clip */
    background-image: linear-gradient(135deg, #A78BFA 0%, #F472B6 100%);
    /* Eliminamos la sombra en el texto degradado para que se vea nítido */
    text-shadow: none;
}

.primary-gradient-bg {
    background: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
    transition: opacity 0.2s;
}
.primary-gradient-bg:hover { opacity: 0.9; }

/* --- Botones --- */
.secondary-button {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.15);
    color: #1e293b;
    transition: all 0.2s;
}
.secondary-button:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: #7C3AED;
    color: #6D28D9;
}
.dark .secondary-button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}
.dark .secondary-button:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #A78BFA;
}

/* --- Animaciones y Componentes UI --- */
details summary { 
    cursor: pointer; 
    list-style: none; 
    position: relative; 
}
details summary::-webkit-details-marker { display: none; }

details[open] summary ~ * { 
    animation: fadeIn 0.3s ease-in-out; 
}

@keyframes fadeIn { 
    from { opacity: 0; transform: translateY(-5px); } 
    to { opacity: 1; transform: translateY(0); } 
}

.roadmap-line {
    position: absolute; 
    left: 50%; 
    top: 0; 
    bottom: 0; 
    width: 2px;
    background: linear-gradient(to bottom, transparent, #8B5CF6, transparent);
    transform: translateX(-50%);
}

@media (max-width: 768px) {
    .roadmap-line { left: 20px; }
}