:root {
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --accent: #38bdf8;
    --text-main: #f1f5f9;
    --text-dim: #94a3b8;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    margin: 0;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
}

.glass-bg {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 40%);
    z-index: -1;
}

.main-card {
    max-width: 1000px;
    width: 100%;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

header {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 30px;
    margin-bottom: 40px;
}

h1 { font-size: 2.5rem; margin: 0; letter-spacing: -1px; }
.role { color: var(--accent); font-weight: 600; font-size: 1.2rem; margin: 5px 0; }
.contact-bar { display: flex; gap: 20px; font-size: 0.85rem; color: var(--text-dim); margin-top: 15px; }

.content-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
}

h2 { font-size: 1.1rem; text-transform: uppercase; letter-spacing: 2px; color: var(--accent); margin-bottom: 20px; }

.card { margin-bottom: 30px; }

.timeline-item { margin-bottom: 25px; }
.timeline-item h3 { font-size: 1.1rem; margin: 0; }
.company { font-size: 0.9rem; color: var(--text-dim); margin: 4px 0 12px 0; }

ul { padding-left: 18px; color: var(--text-dim); font-size: 0.95rem; }
ul li { margin-bottom: 8px; }

.edu-item { margin-bottom: 15px; }
.degree { font-weight: 600; margin: 0; }
.inst { font-size: 0.85rem; color: var(--text-dim); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

@media (max-width: 768px) {
    .content-grid { grid-template-columns: 1fr; }
    .main-card { padding: 30px; }
}

/* WhatsApp Button Styling */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

.whatsapp-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
    background-color: #20ba5a;
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
    fill: white;
}

/* Ocultar el texto en móviles muy pequeños para que solo quede el icono */
@media (max-width: 480px) {
    .whatsapp-float span {
        display: none;
    }
    .whatsapp-float {
        padding: 15px;
        border-radius: 50%;
    }
}