/* =========================================
   VARIABLES DE MARCA - DRAIKOTUNE
   ========================================= */
:root {
    --azul-oscuro: #000b1d;   /* Inicio del gradiente */
    --purpura-marca: #7b2cbf; /* Transición estilo Ditto */
    --azul-acento: #00a8e8;   /* Celeste DraikoTune */
    --blanco-puro: #ffffff;
    --gris-fondo: #f9fafb;
    --texto-negro: #111827;
    --texto-gris: #6b7280;
    --borde-color: #e5e7eb;
}

/* RESET GENERAL */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    background-color: var(--blanco-puro);
    color: var(--texto-negro);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* =========================================
   HEADER: DEGRADADO FLUIDO (AZUL A BLANCO)
   ========================================= */
.hero-header {
    /* Gradiente lineal de 180 grados para evitar líneas de corte visibles */
    background: linear-gradient(180deg, var(--azul-oscuro) 0%, var(--purpura-marca) 50%, var(--blanco-puro) 100%);
    padding: 60px 10% 120px;
    color: white;
    text-align: center;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto 50px;
}

.brand-logo {
    font-weight: 800;
    font-size: 26px;
    letter-spacing: 2px;
    cursor: pointer;
    text-transform: uppercase;
}

.support-tag {
    color: var(--azul-acento);
    font-weight: 400;
    font-size: 14px;
    margin-left: 6px;
}

.hero-main h1 {
    font-size: 38px;
    margin-bottom: 35px;
    font-weight: 700;
}

/* BUSCADOR: LUPA BLANCA Y EFECTO GLASS */
.search-box-wrapper {
    max-width: 750px;
    margin: 0 auto;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--blanco-puro); /* Lupa blanca corregida */
    font-size: 18px;
    z-index: 10;
}

.search-box-wrapper input {
    width: 100%;
    padding: 18px 25px 18px 55px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 17px;
    outline: none;
    backdrop-filter: blur(12px);
    transition: background 0.3s, border 0.3s;
}

.search-box-wrapper input:focus {
    background: rgba(255, 255, 255, 0.25);
    border-color: var(--azul-acento);
}

.search-box-wrapper input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

/* =========================================
   CONTENEDOR PRINCIPAL Y NAVEGACIÓN
   ========================================= */
.main-container {
    max-width: 900px;
    margin: -40px auto 80px; /* Sube para integrarse al degradado */
    padding: 0 20px;
    flex: 1;
}

.breadcrumb-nav {
    font-size: 14px;
    color: var(--texto-gris);
    margin-bottom: 30px;
}

.breadcrumb-item {
    cursor: pointer;
    transition: color 0.2s;
}

.breadcrumb-item:hover {
    color: var(--azul-acento);
}

.bc-sep {
    margin: 0 10px;
    font-size: 10px;
    color: #cbd5e1;
}

/* =========================================
   DISEÑO TARJETAS: UNA POR LÍNEA (DITTO STYLE)
   ========================================= */
.collections-grid {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.col-card {
    background: var(--blanco-puro);
    border: 1px solid var(--borde-color);
    border-radius: 12px;
    padding: 28px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.col-card:hover {
    transform: translateY(-3px);
    border-color: var(--azul-acento);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.col-icon-box {
    font-size: 26px;
    margin-right: 25px;
    color: var(--azul-oscuro);
    min-width: 45px;
    text-align: center;
}

.col-text h3 {
    font-size: 19px;
    margin-bottom: 5px;
    color: var(--texto-negro);
}

.col-text p {
    font-size: 14px;
    color: var(--texto-gris);
}

.col-meta {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 8px;
    display: block;
    font-weight: 600;
    text-transform: uppercase;
}

/* =========================================
   LISTA DE ARTÍCULOS Y VISTA DETALLE
   ========================================= */
.view-title {
    font-size: 22px;
    margin-bottom: 25px;
    color: var(--azul-oscuro);
}

.article-strip {
    padding: 22px;
    border-bottom: 1px solid var(--borde-color);
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s;
}

.article-strip:hover {
    background-color: var(--gris-fondo);
    color: var(--azul-acento);
}

.article-strip i {
    margin-right: 18px;
    color: #d1d5db;
}

.article-view-wrapper h1 {
    font-size: 40px;
    line-height: 1.15;
    margin-bottom: 12px;
    font-weight: 800;
}

.updated-date {
    font-size: 13px;
    color: #9ca3af;
    margin-bottom: 45px;
}

.article-content-body {
    font-size: 18px;
    color: #374151;
}

.full-article h2, .full-article h3 {
    margin: 35px 0 15px;
    color: var(--texto-negro);
}

.full-article p {
    margin-bottom: 22px;
}

.full-article ul, .full-article ol {
    padding-left: 20px;
    margin-bottom: 25px;
}

.full-article li {
    margin-bottom: 12px;
}

/* TABLAS TÉCNICAS */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 16px;
    border-radius: 8px;
    overflow: hidden;
}

.data-table th, .data-table td {
    border: 1px solid #f3f4f6;
    padding: 16px;
    text-align: left;
}

.data-table th {
    background: #f9fafb;
    font-weight: 700;
}

.video-wrapper {
    margin: 40px 0;
    border-radius: 14px;
    overflow: hidden;
    background: black;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

/* =========================================
   FOOTER (ESTILO DITTO / APU AGENCY)
   ========================================= */
.footer-container {
    padding: 90px 20px;
    border-top: 1px solid var(--borde-color);
    text-align: center;
    background-color: var(--blanco-puro);
}

.footer-logo {
    font-size: 28px;
    font-weight: 800;
    color: #f1f5f9; /* Texto muy claro como en imagen */
    letter-spacing: 6px;
    margin-bottom: 45px;
    text-transform: uppercase;
}

.footer-menu {
    margin-bottom: 35px;
}

.footer-menu a {
    text-decoration: none;
    color: #94a3b8;
    font-weight: 700;
    font-size: 12px;
    margin: 0 18px;
    letter-spacing: 1px;
}

.footer-social {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-social a {
    color: #cbd5e1;
    font-size: 20px;
    transition: color 0.2s;
}

.footer-social a:hover {
    color: var(--purpura-marca);
}

.footer-powered {
    font-size: 13px;
    color: #94a3b8;
}

.footer-powered a {
    color: #64748b;
    text-decoration: none;
    font-weight: 700;
}

.footer-powered a:hover {
    text-decoration: underline;
}

.system-status {
    margin-top: 25px;
    font-size: 11px;
    color: #cbd5e1;
    font-weight: 600;
}

.status-online {
    color: #22c55e;
    font-size: 8px;
    margin-right: 6px;
}

/* =========================================
   WIDGETS Y RESPONSIVE
   ========================================= */
/* BOTÓN FLOTANTE WHATSAPP ACTUALIZADO */
.whatsapp-btn {
    position: fixed; 
    bottom: 15px; /* Se bajó de 35px a 15px para que esté más cerca del borde inferior */
    right: 20px; 
    background-color: #25D366;
    width: 60px; /* Un poco más estilizado */
    height: 60px; 
    border-radius: 50%; 
    display: flex;
    justify-content: center; 
    align-items: center; 
    color: white;
    font-size: 32px; 
    cursor: pointer; 
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    z-index: 9999; /* Asegura que siempre esté por encima de todo */
    transition: transform 0.3s ease;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
}

.feedback-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.f-btn {
    padding: 10px 35px;
    border: 1px solid var(--borde-color);
    border-radius: 30px;
    background: white;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.f-btn:hover {
    background: var(--gris-fondo);
    border-color: var(--azul-acento);
}

@media (max-width: 768px) {
    .hero-header { padding: 50px 5% 90px; }
    .hero-main h1 { font-size: 28px; }
    .article-view-wrapper h1 { font-size: 32px; }
    .top-nav { flex-direction: column; gap: 20px; }
    .footer-menu { display: flex; flex-direction: column; gap: 15px; }
}