/* PALETA DE COLORES FINANCIERA ELITE */
:root {
    --bg: #0f172a;           /* Navy Slate 900 */
    --card-bg: #ffffff;
    --accent: #d4af37;       /* Gold Metálico */
    --accent-dark: #b8860b;
    --text: #1e293b;
    --text-muted: #64748b;
    --gradient: linear-gradient(135deg, #020617 0%, #0f172a 100%);
    --shadow: 0 15px 35px rgba(0,0,0,0.12);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* RESET & BASE RESPONSIVA */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #f8fafc;
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
}

/* HEADER DINÁMICO */
header {
    background: var(--gradient);
    color: white;
    padding: 120px 20px 180px;
    text-align: center;
    clip-path: polygon(0 0, 100% 0, 100% 90%, 0% 100%);
    position: relative;
}

header h1 {
    font-size: clamp(2.5rem, 8vw, 4rem); /* Responsivo fluido */
    margin: 0;
    letter-spacing: -2px;
    font-weight: 800;
    text-transform: lowercase;
}

header p {
    font-size: clamp(1rem, 4vw, 1.2rem);
    opacity: 0.8;
    max-width: 600px;
    margin: 10px auto 0;
}

/* CONTENEDOR MAESTRO */
.container {
    max-width: 1100px;
    margin: -100px auto 50px;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

/* TARJETAS PREMIUM */
.card {
    background: var(--card-bg);
    padding: clamp(1.5rem, 5vw, 2.5rem);
    border-radius: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    border: 1px solid rgba(255,255,255,1);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.2);
}

/* BADGES ESTILO GOOGLE ADS */
.badge {
    background: #eef2ff;
    color: #4338ca;
    padding: 6px 16px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 15px;
    border: 1px solid #c7d2fe;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* GRID DE ARTÍCULOS 100% RESPONSIVO */
.grid-articles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.article-box {
    background: var(--card-bg);
    padding: 0; /* Para que la imagen luzca */
    border-radius: 20px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
    border: 1px solid transparent;
}

.article-box:hover {
    transform: scale(1.03);
    border-color: var(--accent);
}

.article-box img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.article-box h3, .article-box p, .article-box span {
    padding: 0 20px;
}

.article-box h3 {
    margin-top: 15px;
    font-size: 1.3rem;
    color: var(--bg);
}

.read-more {
    display: block;
    padding-bottom: 20px;
    color: var(--accent-dark);
    font-weight: 700;
    font-size: 0.9rem;
}

/* SCROLL LEGAL */
.privacy-scroll {
    height: 200px;
    overflow-y: auto;
    background: #f1f5f9;
    padding: 20px;
    border-radius: 15px;
    font-size: clamp(0.85rem, 3vw, 0.9rem);
    border: 1px solid #e2e8f0;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) #f1f5f9;
}

/* MODALES RESPONSIVOS */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(8px);
    padding: 20px;
}

.modal-content {
    background: white;
    margin: 5vh auto;
    padding: clamp(1.5rem, 5vw, 3rem);
    width: 100%;
    max-width: 600px;
    border-radius: 30px;
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    animation: modalSlide 0.5s ease;
}

@keyframes modalSlide {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close {
    position: absolute;
    right: 25px; top: 15px;
    font-size: 35px; color: var(--text-muted); cursor: pointer;
}

/* FOOTER & ICONOS */
footer { 
    text-align: center; 
    padding: 60px 20px; 
    color: var(--text-muted);
    background: #f1f5f9;
    border-top: 1px solid #e2e8f0;
}

footer p { margin: 5px 0; }

/* ANIMACIÓN DE CARGA */
.animate-up {
    animation: up 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}

@keyframes up {
    from { transform: translateY(40px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* MEDIA QUERIES PARA CELULARES EXTREMOS */
@media (max-width: 480px) {
    header { padding: 80px 15px 120px; }
    .card { padding: 20px; }
    .grid-articles { grid-template-columns: 1fr; }
    .modal-content { margin: 2vh auto; padding: 20px; }
}

/* ESTILO PARA EL LINK DE LINKEDIN */
a[href*="linkedin"] {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #0077b5;
    color: white !important;
    padding: 8px 16px;
    border-radius: 8px;
    transition: 0.3s;
}

a[href*="linkedin"]:hover {
    background: #005582;
    transform: scale(1.05);
}