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

:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --secondary: #06b6d4;
    --accent: #f472b6;
    --bg-dark: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #252542;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: #2d2d4a;
    --success: #10b981;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1; overflow: hidden;
}

.bg-animation::before {
    content: '';
    position: absolute;
    width: 150%; height: 150%;
    background: radial-gradient(ellipse at 20% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    animation: bgMove 20s ease-in-out infinite;
}

@keyframes bgMove {
    0%, 100% { transform: translate(-10%, -10%) rotate(0deg); }
    50% { transform: translate(10%, 10%) rotate(180deg); }
}

/* Header */
header {
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}

.header-content {
    max-width: 1400px; margin: 0 auto; padding: 1rem 2rem;
    display: flex; justify-content: space-between; align-items: center;
}

.logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.logo-icon {
    width: 45px; height: 45px; background: var(--gradient);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: white; box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}
.logo-text {
    font-size: 1.5rem; font-weight: 700; background: var(--gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

nav { display: flex; gap: 2rem; }
nav a { color: var(--text-muted); text-decoration: none; font-weight: 500; transition: 0.3s; position: relative; padding: 0.5rem 0; }
nav a:hover { color: var(--text); }
nav a:hover::after { width: 100%; }
nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--gradient); transition: 0.3s; }

/* Container & Sections */
.container { max-width: 1400px; margin: 0 auto; padding: 2rem; }

.profile-section {
    background: var(--bg-card); border-radius: 24px; padding: 3rem;
    margin-bottom: 3rem; border: 1px solid var(--border); position: relative; overflow: hidden;
}

.profile-content { position: relative; display: flex; gap: 2rem; flex-wrap: wrap; }
.profile-avatar {
    width: 150px; height: 150px; border-radius: 50%; border: 4px solid var(--primary);
    padding: 4px; background: var(--bg-dark);
}
.profile-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }

.profile-name { font-size: 2rem; font-weight: 700; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.profile-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(139, 92, 246, 0.2); padding: 0.4rem 1rem; border-radius: 20px;
    font-size: 0.85rem; color: var(--primary); margin-bottom: 1rem;
}

.social-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.social-btn {
    padding: 0.75rem 1.25rem; border-radius: 12px; text-decoration: none;
    font-weight: 500; font-size: 0.9rem; transition: 0.3s; border: 1px solid var(--border);
}
.social-btn.youtube { background: rgba(255, 0, 0, 0.1); color: #ff0000; }
.social-btn.whatsapp { background: rgba(37, 211, 102, 0.1); color: #25d366; }
.social-btn.phone { background: rgba(6, 182, 212, 0.1); color: var(--secondary); }
.social-btn:hover { transform: translateY(-2px); filter: brightness(1.2); }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin-bottom: 3rem; }
.stat-card { background: var(--bg-card); border-radius: 16px; padding: 1.5rem; border: 1px solid var(--border); text-align: center; transition: 0.3s; }
.stat-card:hover { transform: translateY(-5px); border-color: var(--primary); }
.stat-icon { width: 50px; height: 50px; background: var(--gradient); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; color: white; }
.stat-number { font-size: 2rem; font-weight: 700; }

/* File Card */
.file-card { background: var(--bg-card); border-radius: 20px; padding: 2rem; border: 1px solid var(--border); margin-bottom: 3rem; }
.file-header { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.file-icon { width: 80px; height: 80px; background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: white; }
.file-description { background: rgba(139, 92, 246, 0.05); padding: 1rem; border-radius: 12px; border-left: 3px solid var(--primary); margin-bottom: 1.5rem; }
.download-btn { background: var(--gradient); color: white; padding: 1rem 2rem; border-radius: 12px; border: none; cursor: pointer; font-weight: 600; box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4); transition: 0.3s; }
.download-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5); }

/* Comments */
.comments-section { background: var(--bg-card); border-radius: 20px; padding: 2rem; border: 1px solid var(--border); }
.comment-form { margin-bottom: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 2rem; }
.form-group { margin-bottom: 1rem; }
.form-group input, .form-group textarea { width: 100%; padding: 1rem; background: var(--bg-dark); border: 1px solid var(--border); border-radius: 12px; color: var(--text); font-family: inherit; }
.submit-btn { background: var(--gradient); color: white; padding: 0.875rem 1.75rem; border-radius: 12px; border: none; cursor: pointer; font-weight: 600; transition: 0.3s; }

.comment { display: flex; gap: 1rem; padding: 1.5rem; background: var(--bg-dark); border-radius: 16px; border: 1px solid var(--border); margin-bottom: 1rem; animation: fadeIn 0.3s ease; }
.comment-avatar { width: 50px; height: 50px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; color: white; }

/* Toast */
.toast { position: fixed; bottom: 2rem; right: 2rem; background: var(--bg-card); border: 1px solid var(--success); padding: 1rem 1.5rem; border-radius: 12px; display: flex; align-items: center; gap: 0.75rem; transform: translateX(150%); transition: 0.3s; z-index: 1000; }
.toast.show { transform: translateX(0); }

/* Responsive */
@media (max-width: 768px) {
    .header-content { flex-direction: column; gap: 1rem; }
    .profile-content { flex-direction: column; text-align: center; align-items: center; }
}