:root{--bg-primary: #f9f9fb;--bg-primary-rgb: 249, 249, 251;--bg-secondary: #ffffff;--bg-secondary-rgb: 255, 255, 255;--text-primary: #2c3e50;--text-primary-rgb: 44, 62, 80;--text-secondary: #5a6c7d;--text-secondary-rgb: 90, 108, 125;--accent-color: #3a7bfd;--accent-color-rgb: 58, 123, 253;--accent-color-light: rgba(58, 123, 253, .1);--accent-color-hover: #2867e6;--gradient-primary: linear-gradient(135deg, #3a7bfd, #5e60ce);--gradient-secondary: linear-gradient(135deg, #5e60ce, #6930c3);--border-color: #e9ecef;--border-color-rgb: 233, 236, 239;--card-shadow: 0 10px 25px rgba(0, 0, 0, .05);--timeline-bg: #e9ecef;--success-color: #10B981;--warning-color: #F59E0B;--error-color: #EF4444;--code-bg: #f1f5f9;--font-primary: "Inter", sans-serif;--font-secondary: "Poppins", sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 3rem;--spacing-xl: 5rem;--transition-fast: .3s ease;--transition-medium: .5s ease;--transition-slow: .8s ease;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-round: 50%}[data-theme=dark]{--bg-primary: #0f172a;--bg-primary-rgb: 15, 23, 42;--bg-secondary: #1e293b;--bg-secondary-rgb: 30, 41, 59;--text-primary: #f8fafc;--text-primary-rgb: 248, 250, 252;--text-secondary: #cbd5e1;--text-secondary-rgb: 203, 213, 225;--accent-color: #4dabf7;--accent-color-rgb: 77, 171, 247;--accent-color-light: rgba(77, 171, 247, .15);--accent-color-hover: #62b5f8;--gradient-primary: linear-gradient(135deg, #4dabf7, #6366f1);--gradient-secondary: linear-gradient(135deg, #6366f1, #8b5cf6);--border-color: #334155;--border-color-rgb: 51, 65, 85;--card-shadow: 0 10px 25px rgba(0, 0, 0, .2);--timeline-bg: #334155;--code-bg: #1e293b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-primary);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background-color var(--transition-medium),color var(--transition-medium);overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-secondary);font-weight:600;margin-bottom:var(--spacing-sm)}h1{font-size:2.5rem}h2{font-size:2.25rem;position:relative;display:inline-block;margin-bottom:1.5rem;background-image:var(--gradient-primary);background-clip:text;-webkit-background-clip:text;color:transparent;font-weight:700;letter-spacing:-.5px}h2:after{content:"";position:absolute;bottom:-10px;left:0;width:80px;height:4px;background-image:var(--gradient-primary);border-radius:var(--radius-sm);transition:width var(--transition-medium)}.section-header:hover h2:after{width:100%}.section-header{text-align:center;margin-bottom:var(--spacing-lg);position:relative}.section-header .section-subtitle{color:var(--text-secondary);font-size:1.1rem;max-width:600px;margin:0 auto var(--spacing-md) auto}h3{font-size:1.75rem}h4{font-size:1.5rem}p{margin-bottom:var(--spacing-sm)}a{color:var(--accent-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--text-primary)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;background-image:var(--gradient-primary);color:#fff;padding:.85rem 1.75rem;border-radius:var(--radius-md);font-weight:600;font-family:var(--font-primary);cursor:pointer;border:none;position:relative;overflow:hidden;z-index:1;transition:transform var(--transition-fast),box-shadow var(--transition-fast);text-decoration:none;letter-spacing:.5px}.btn:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:var(--gradient-secondary);z-index:-1;opacity:0;transition:opacity var(--transition-fast)}.btn:hover{transform:translateY(-3px);box-shadow:0 10px 20px #00000026;color:#fff}.btn:hover:before{opacity:1}.btn i,.btn svg{margin-right:8px}.btn-outline{background-image:none;background-color:transparent;border:2px solid var(--accent-color);color:var(--accent-color);position:relative;z-index:1;overflow:hidden}.btn-outline:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:var(--gradient-primary);z-index:-1;transform:translateY(100%);transition:transform var(--transition-fast)}.btn-outline:hover{color:#fff;border-color:transparent}.btn-outline:hover:before{transform:translateY(0);opacity:1}section{padding:var(--spacing-xl) 0;opacity:0;transform:translateY(20px);transition:opacity var(--transition-medium),transform var(--transition-medium)}section.visible{opacity:1;transform:translateY(0)}.card{background-color:var(--bg-secondary);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--card-shadow);transition:transform var(--transition-fast),box-shadow var(--transition-fast);border:1px solid var(--border-color);position:relative}.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background-image:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-medium)}.card:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0000001a}.card:hover:before{transform:scaleX(1)}.tech-badge{display:inline-flex;align-items:center;padding:6px 12px;background-color:var(--accent-color-light);color:var(--accent-color);border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;margin-right:.5rem;margin-bottom:.5rem;transition:all var(--transition-fast)}.tech-badge:hover{background-color:var(--accent-color);color:#fff;transform:translateY(-2px)}.tech-badge i,.tech-badge svg{margin-right:6px;font-size:1rem}.glass-card{background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}[data-theme=dark] .glass-card{background:#0003;border:1px solid rgba(255,255,255,.1)}.form-group{margin-bottom:var(--spacing-md)}.form-control{width:100%;padding:.75rem;font-family:var(--font-primary);font-size:1rem;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-control:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #3a86ff33}textarea.form-control{min-height:120px;resize:vertical}.tag{display:inline-block;padding:.25rem .75rem;border-radius:var(--radius-sm);border:white;font-size:.875rem;font-weight:500;margin-right:.5rem;margin-bottom:.5rem;background-color:#3a86ff1a;color:var(--accent-color);cursor:pointer;transition:background-color var(--transition-fast)}.tag.active,.tag:hover{background-color:var(--accent-color);color:#fff}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animated{animation:fadeIn 1s ease forwards}.delay-1{animation-delay:.2s}.delay-2{animation-delay:.4s}.delay-3{animation-delay:.6s}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}section{padding:var(--spacing-lg) 0}}.preloader{position:fixed;top:0;left:0;width:100%;height:100%;background-color:var(--bg-primary);display:flex;justify-content:center;align-items:center;z-index:9999;transition:opacity var(--transition-slow),visibility var(--transition-slow)}.preloader.hidden{opacity:0;visibility:hidden}.preloader-spinner{width:50px;height:50px;border:5px solid rgba(58,134,255,.2);border-radius:50%;border-top-color:var(--accent-color);animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.back-to-top{position:fixed;bottom:20px;right:20px;width:40px;height:40px;border-radius:var(--radius-round);background-color:var(--accent-color);color:#fff;display:flex;justify-content:center;align-items:center;cursor:pointer;opacity:0;visibility:hidden;transition:opacity var(--transition-fast),visibility var(--transition-fast),transform var(--transition-fast);z-index:100}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{transform:translateY(-5px)}.img-fluid{max-width:100%;height:auto}.img-circle{border-radius:50%}