/* Variáveis de Cor Premium */
:root {
    --bg-dark: #0f0000;
    --red-deep: #4a0404;
    --red-bright: #ff3b30;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    background-color: var(--bg-dark);
    color: #ffffff;
    font-family: 'Poppins', sans-serif;
    margin: 0;
    overflow-x: hidden;
}

/* Background Animado */
.bg-gradient {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 10% 20%, var(--red-deep) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, #2b0101 0%, transparent 40%);
    z-index: -1;
}

/* Hero Section */
.hero-title {
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    background: linear-gradient(to right, #fff, #ff3b30);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -2px;
}

/* Cards do Portfólio */
.card-portfolio {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    transition: 0.4s all ease;
    overflow: hidden;
}

.card-portfolio:hover {
    transform: translateY(-10px);
    border-color: var(--red-bright);
    box-shadow: 0 10px 30px rgba(255, 59, 48, 0.2);
}

/* Botão WhatsApp */
.btn-wpp {
    background: linear-gradient(45deg, #25d366, #128c7e);
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: bold;
    text-transform: uppercase;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-wpp:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}