:root {
    --bg-main: #0f1115;
    --bg-secondary: #1a1d24;
    --bg-tertiary: #232730;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #9333ea; /* Grape purple */
    --accent-hover: #7e22ce;
    --border-color: #2e3340;
    --glass-bg: rgba(26, 29, 36, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Dynamic glowing background blobs */
body::before, body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
    animation: drift 20s infinite alternate;
}

body::before {
    width: 600px;
    height: 600px;
    background: var(--accent-color);
    top: -200px;
    left: -200px;
}

body::after {
    width: 500px;
    height: 500px;
    background: #d946ef; /* Magenta/Pinkish purple */
    bottom: -100px;
    right: -150px;
    animation-delay: -5s;
}

@keyframes drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Header / Hero */
.hero {
    text-align: center;
    margin-bottom: 5rem;
    padding: 4rem 0;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(147, 51, 234, 0.1);
    color: var(--accent-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(147, 51, 234, 0.2);
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
    border: 1px solid var(--accent-color);
    box-shadow: 0 4px 15px rgba(147, 51, 234, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(147, 51, 234, 0.4);
}

.btn-secondary {
    background-color: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

/* Glassmorphism Section blocks */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 3rem;
    margin-bottom: 4rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-color) 0%, transparent 100%);
}

/* Architecture / Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.tech-list {
    list-style: none;
    margin-top: 1.5rem;
}

.tech-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

.tech-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-color);
}

.code-block {
    background-color: #0d0f12;
    padding: 1.5rem;
    border-radius: 8px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    color: #e2e8f0;
    border: 1px solid var(--border-color);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.code-comment {
    color: #64748b;
}
.code-keyword {
    color: #c678dd;
}
.code-string {
    color: #98c379;
}

/* Experts Grid */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.expert-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.expert-card:hover {
    border-color: var(--accent-color);
    background: var(--bg-tertiary);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.expert-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.expert-tag {
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    background-color: rgba(147, 51, 234, 0.15);
    color: var(--accent-color);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

.expert-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex: 1;
}

.expert-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.2s;
}

.expert-link:hover {
    color: var(--accent-hover);
}

/* Footer */
footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
}

.footer-link {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 900px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .glass-panel {
        padding: 2rem;
    }
}
/* Estilo específico para Ko-fi en Grape Models */
.btn-kofi {
    background-color: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

/* Hover con resplandor morado (Grape purple) */
.btn-kofi:hover {
    background-color: rgba(147, 51, 234, 0.15);
    border-color: var(--accent-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(147, 51, 234, 0.2);
}