:root {
    /* Paleta de Cores Premium (Dark Theme) */
    --cor-primaria: #00d4ff;     /* Ciano vibrante */
    --cor-secundaria: #a750f5;   /* Roxo moderno */
    --cor-fundo: #070a11;        /* Fundo super escuro */
    --cor-card: #131c2d;         /* Fundo dos cards */
    --cor-texto: #f1f5f9;        /* Branco suave para leitura */
    --cor-mutado: #94a3b8;       /* Cinza para textos secundários */
    --cor-borda: #1e293b;        /* Bordas sutis */
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--cor-fundo);
    /* Fundo Premium: Luzes coloridas nos cantos + Grid sutil (quadriculado tecnológico) */
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(167, 80, 245, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(0, 212, 255, 0.12) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    background-attachment: fixed;
    color: var(--cor-texto);
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    background: rgba(7, 10, 17, 0.8) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cor-borda);
    padding: 1rem 0;
}
.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--cor-texto) !important;
}
.nav-link {
    font-weight: 500;
    color: var(--cor-texto) !important;
    transition: color 0.3s ease;
}
.nav-link:hover {
    color: var(--cor-primaria) !important;
}

/* Botões */
.btn-primary {
    background: linear-gradient(90deg, var(--cor-primaria) 0%, var(--cor-secundaria) 100%);
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    color: #fff;
    box-shadow: 0 4px 15px rgba(167, 80, 245, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(167, 80, 245, 0.6);
    color: #fff;
}
.btn-outline {
    border: 1px solid var(--cor-primaria);
    color: var(--cor-primaria);
    border-radius: 8px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-outline:hover {
    background: var(--cor-primaria);
    color: #000;
}

/* Tipografia de Destaque */
.text-gradient {
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-secundaria));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Foto de Perfil */
.profile-img {
    width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--cor-card);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

/* Seções Padrão */
section {
    padding: 5rem 0;
}
.section-title {
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    bottom: -10px;
    left: 25%;
    background: var(--cor-primaria);
    border-radius: 2px;
}

/* Cards Habilidades */
.skill-card {
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}
.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--cor-primaria);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}
.skill-icon {
    font-size: 2.5rem;
    color: var(--cor-primaria);
    margin-bottom: 1rem;
}

/* Cards de Projetos */
.project-card {
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: 16px;
    overflow: hidden;
    height: 100%;
    transition: transform 0.3s ease;
}
.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--cor-secundaria);
}
.project-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-bottom: 1px solid var(--cor-borda);
}
.project-content {
    padding: 1.5rem;
}
.project-techs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.tech-badge {
    background: rgba(0, 212, 255, 0.1);
    color: var(--cor-primaria);
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

/* Footer */
footer {
    background: #04060a;
    padding: 2rem 0;
    border-top: 1px solid var(--cor-borda);
    text-align: center;
    color: var(--cor-mutado);
}