body {
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 120, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 200, 255, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: #e0e0e0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Efeito de circuitos no fundo */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(90deg, rgba(0, 200, 255, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(0, 200, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: -25px -25px;
    z-index: -1;
    animation: circuitMove 20s linear infinite;
}

/* Pontos de conexão do circuito */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25px 25px, rgba(0, 180, 255, 0.1) 2px, transparent 3px),
        radial-gradient(circle at 75px 75px, rgba(0, 180, 255, 0.1) 2px, transparent 3px);
    background-size: 100px 100px;
    z-index: -1;
    opacity: 0.5;
}

@keyframes circuitMove {
    0% { background-position: -25px -25px; }
    100% { background-position: -25px calc(-25px - 50px); }
}

.section { 
    padding: 100px 0;
    position: relative;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(0, 120, 255, 0.15) 0%, transparent 60%),
                radial-gradient(circle at 70% 30%, rgba(0, 200, 255, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.glass-card {
    background: rgba(20, 30, 48, 0.7);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    border: 1px solid rgba(0, 180, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    overflow: hidden;
}

.glass-card:hover {
    border-color: rgba(0, 200, 255, 0.4);
    box-shadow: 0 12px 40px rgba(0, 150, 255, 0.2);
    transform: translateY(-5px);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.glass-card:hover::before {
    left: 100%;
}

.glass-nav {
    background: rgba(10, 15, 30, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 180, 255, 0.2);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.glass-nav.scrolled {
    background: rgba(10, 15, 30, 0.95);
    padding: 10px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    margin: 0 10px;
    padding: 8px 20px !important;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 180, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: #00c8ff !important;
    background: rgba(0, 180, 255, 0.1);
}

.btn-glass {
    background: linear-gradient(135deg, rgba(0, 120, 255, 0.2), rgba(0, 200, 255, 0.1));
    border: 1px solid rgba(0, 180, 255, 0.4);
    color: white;
    padding: 12px 35px;
    border-radius: 30px;
    font-weight: 600;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: linear-gradient(135deg, rgba(0, 120, 255, 0.3), rgba(0, 200, 255, 0.2));
    border-color: rgba(0, 200, 255, 0.6);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 150, 255, 0.3);
}

.bg-dark-soft {
    background: rgba(10, 15, 30, 0.8);
    position: relative;
}

.bg-dark-soft::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%2300a2ff' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
}

h1, h2, h3, h4, h5, h6 {
    background: linear-gradient(90deg, #fff, #00c8ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
}

.display-4 {
    font-size: 3.5rem;
    line-height: 1.2;
}

.lead {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

footer {
    background: rgba(10, 15, 30, 0.95);
    border-top: 1px solid rgba(0, 180, 255, 0.2);
    padding: 25px 0;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #00c8ff, transparent);
}

/* Animações de entrada */
.fade-in {
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Efeito de digitação no hero */
.typewriter {
    overflow: hidden;
    border-right: 3px solid #00c8ff;
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: #00c8ff }
}

/* Responsividade */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero {
        height: 80vh;
    }
}