/* ===== VARIÁVEIS CSS ===== */
:root {
    /* Cores principais - Branco predominante */
    --cor-primaria: #fff;
    --cor-secundaria: #eaeaea;
    --cor-dark: #000000;
    --cor-background: #0a0a0a;
    --cor-accent: #1a1a1a;
    --cor-card: #111111;
      /* Cores de texto */
    --cor-text-primary: #ffffff;
    --cor-text-secondary: #cccccc;
    --cor-text-muted: #adb5bd;
    
    /* Border radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2rem;
      /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    
    /* Espaçamentos */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Navbar height */
    --navbar-height: 70px;
}

/* ===== RESET E BASE ===== */
* {
    box-sizing: border-box;
}

body {
    background: var(--cor-dark);
    color: var(--cor-text-primary);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    padding-top: var(--navbar-height);
    opacity: 0;
    animation: fadeInBody 0.8s ease-out forwards;
}

@keyframes fadeInBody {
    to {
        opacity: 1;
    }
}

/* ===== NAVBAR ===== */
.navbar-custom {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cor-primaria);
    height: var(--navbar-height);
    transition: all var(--transition-fast);
}

.navbar-custom .navbar-brand {
    color: var(--cor-primaria) !important;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.navbar-custom .navbar-brand:hover {
    color: var(--cor-secundaria) !important;
}

.navbar-custom .nav-link {
    color: var(--cor-text-primary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-custom .nav-link:hover {
    color: var(--cor-primaria) !important;
    background: rgba(255, 255, 255, 0.1);
}

.navbar-custom .nav-link.active {
    color: var(--cor-primaria) !important;
    background: rgba(255, 255, 255, 0.2);
}

.navbar-toggler {
    border: 1px solid var(--cor-primaria);
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== ANCHOR SECTIONS ===== */
.anchor-section {
    position: relative;
    top: calc(-1 * var(--navbar-height));
    visibility: hidden;
}

/* ===== CONTAINER PRINCIPAL ===== */
#main-div {
    background: transparent;
    border-radius: var(--border-radius-xl);
    margin: var(--spacing-xl) auto;
    max-width: 1200px;
    padding: 0;
}

/* ===== SISTEMA DE BLOCOS ===== */
.perfil-bloco,
.secao-bloco, 
.projeto-bloco {    background: linear-gradient(135deg, var(--cor-card) 0%, rgba(26, 26, 26, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    color: var(--cor-text-primary);
    transition: all var(--transition-medium);
    backdrop-filter: blur(10px);
}

.perfil-bloco:hover,
.secao-bloco:hover,
.projeto-bloco:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ===== SEÇÃO PERFIL ===== */
.perfil-info {
    padding-left: var(--spacing-lg);
}

.perfil-foto {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--cor-primaria);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium);
}

.perfil-foto:hover {
    transform: scale(1.05);
}

.perfil-nome {
    font-size: 2rem;
    font-weight: 700;
    color: var(--cor-primaria);
    margin-bottom: 0.3rem;
    letter-spacing: 1px;
}

.perfil-titulo {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--cor-text-secondary);
    margin-bottom: var(--spacing-md);
}

.perfil-subtitulo {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--cor-secundaria);
    margin-bottom: 0.3rem;
    letter-spacing: 0.5px;
}

.perfil-bio {
    font-size: 1rem;
    color: var(--cor-text-primary);
    line-height: 1.5;
    margin-bottom: 0.2rem;
}

/* ===== TÍTULOS DE SEÇÃO ===== */
.secao-titulo {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--cor-primaria);
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.secao-titulo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 3rem;
    height: 3px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-secundaria));
    border-radius: 2px;
}

/* ===== SEÇÃO TECNOLOGIAS ===== */
.tecnologias-lista {
    gap: 0.7rem 0.5rem;
    padding: 0.7rem 0 0.3rem 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
}

.tecnologia-card {
    background: var(--cor-dark);
    border: 1px solid var(--cor-primaria);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm) var(--spacing-sm) 0.3rem var(--spacing-sm);
    min-width: 70px;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.tecnologia-card:hover {
    background: var(--cor-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.tecnologia-icone {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.3));
    margin-bottom: 0.1rem;
    transition: transform var(--transition-fast);
}

.tecnologia-card:hover .tecnologia-icone {
    transform: scale(1.1);
}

.tecnologia-nome {
    color: var(--cor-secundaria);
    font-weight: 500;
    letter-spacing: 0.3px;
    margin-top: 0.2rem;
    font-size: 0.93rem;
    text-align: center;
}

/* ===== SEÇÃO LINKS/CONTATOS ===== */
#contatos ul {
    margin: 0;
    padding: 0;
}

.item-contato a {
    text-decoration: none;
}

.item-contato .btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    box-shadow: var(--shadow-md);
}

.item-contato .btn-primary {
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    border-color: var(--cor-primaria);
    color: var(--cor-dark);
}

.item-contato .btn-primary:hover {
    background: linear-gradient(135deg, var(--cor-secundaria), var(--cor-primaria));
    border-color: var(--cor-secundaria);
    color: var(--cor-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

.item-contato .btn-dark {
    background: linear-gradient(135deg, var(--cor-card), var(--cor-accent));
    border-color: var(--cor-text-secondary);
    color: var(--cor-text-primary);
}

.item-contato .btn-dark:hover {
    background: linear-gradient(135deg, var(--cor-accent), var(--cor-card));
    border-color: var(--cor-primaria);
    color: var(--cor-primaria);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* ===== SEÇÃO PROJETOS ===== */
.projeto-bloco p {
    color: var(--cor-text-primary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.projeto-bloco a {
    color: var(--cor-secundaria);
    text-decoration: underline;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.projeto-bloco a:hover {
    color: var(--cor-primaria);
}

.projeto-bloco img {
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium);
}

.projeto-bloco img:hover {
    transform: scale(1.05);
}

.projeto-bloco h4.secao-titulo {
    font-size: 1.2rem;
    color: var(--cor-primaria);
    margin-bottom: var(--spacing-md);
}

.projeto-bloco h4.secao-titulo::after {
    width: 2rem;
    height: 2px;
}

.projeto-bloco:first-child {
    border-left: 4px solid var(--cor-primaria);
    background: linear-gradient(135deg, var(--cor-background) 0%, rgba(255,255,255,0.08) 100%);
    position: relative;
    margin-top: var(--spacing-lg);
}

.projeto-bloco:first-child::before {
    content: '⭐ PROJETO PRINCIPAL';
    position: absolute;
    top: -12px;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: var(--cor-dark);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    left: var(--spacing-sm);

}

/* ===== BADGES DE TECNOLOGIA DOS PROJETOS ===== */
.projeto-tags .badge {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--cor-text-secondary);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
    letter-spacing: 0.3px;
}

/* ===== UTILITÁRIOS DE TEXTO ===== */
.secao-bloco h3, 
.secao-bloco h4, 
.projeto-bloco h3 {
    color: var(--cor-primaria);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.secao-bloco p, 
.projeto-bloco p {
    color: var(--cor-text-primary);
    font-size: 1rem;
}

.secao-bloco a:not(.btn), 
.projeto-bloco a:not(.btn) {
    color: var(--cor-secundaria);
    text-decoration: underline;
    font-weight: 500;
}

/* ===== SEÇÃO VUE.JS APP ===== */
#app {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--cor-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-xl);
}

#app .lead {
    color: var(--cor-text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}

/* ===== ANIMAÇÕES DE ENTRADA ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.perfil-bloco,
.secao-bloco,
.projeto-bloco {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.perfil-bloco {
    animation-delay: 0.1s;
}

.secao-bloco:nth-of-type(1) {
    animation-delay: 0.2s;
}

.secao-bloco:nth-of-type(2) {
    animation-delay: 0.3s;
}

.projeto-bloco:nth-of-type(1) {
    animation-delay: 0.4s;
}

.projeto-bloco:nth-of-type(2) {
    animation-delay: 0.5s;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 900px) {
    .navbar-custom {
        padding: 0.5rem 0;
    }
    
    .navbar-custom .navbar-brand {
        font-size: 1.3rem;
    }
    
    .navbar-custom .nav-link {
        padding: 0.75rem 1rem !important;
        text-align: center;
    }
    
    #main-div {
        margin: var(--spacing-md) var(--spacing-sm);
        padding: var(--spacing-md) var(--spacing-sm);
    }
}

@media (max-width: 600px) {
    body {
        padding: var(--spacing-sm);
    }
    
    #main-div {
        margin: 0;
    }
    
    .perfil-bloco,
    .secao-bloco, 
    .projeto-bloco {
        padding: var(--spacing-lg) var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .perfil-foto {
        width: 100px;
        height: 100px;
    }
    
    .perfil-nome {
        font-size: 1.6rem;
        letter-spacing: 0.5px;
    }
    
    .perfil-titulo {
        font-size: 1rem;
    }
    
    .tecnologias-lista {
        gap: 0.3rem 0.2rem;
    }
    
    .tecnologia-card {
        min-width: 54px;
        padding: 0.3rem 0.2rem 0.2rem 0.2rem;
    }
    
    .tecnologia-icone {
        width: 32px !important;
        height: 32px !important;
    }
    
    .tecnologia-nome {
        font-size: 0.8rem;
    }
    
    .secao-titulo {
        font-size: 1.1rem;
    }
    
    #contatos ul {
        flex-direction: column;
        align-items: stretch;
    }
    
    .item-contato {
        width: 100%;
    }
    
    .item-contato .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
}

/* ===== MELHORIAS FINAIS ===== */
.perfil-bloco {
    position: relative;
    overflow: hidden;
}

.perfil-bloco::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-secundaria));
}

.projeto-bloco:hover {
    transform: translateY(-3px);
}

.tecnologia-card:hover {
    transform: translateY(-3px) scale(1.02);
}

/* ===== SCROLL BAR CUSTOMIZADA ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--cor-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--cor-secundaria), var(--cor-primaria));
}

/* ===== SCROLL SUAVE ===== */
html {
    scroll-behavior: smooth;
}

/* ===== FOOTER ===== */
.footer-custom {
    background: linear-gradient(135deg, var(--cor-background), var(--cor-card));
    border-top: 1px solid var(--cor-primaria);
    margin-top: var(--spacing-xl);
}

.footer-text {
    color: var(--cor-primaria);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.footer-subtitle {
    color: var(--cor-text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.footer-link {
    color: var(--cor-secundaria);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--cor-primaria);
}

.footer-separator {
    color: var(--cor-text-muted);
    font-weight: 300;
}

.footer-copyright {
    color: var(--cor-text-muted);
    font-size: 0.85rem;
    margin: 0;
}

@media (max-width: 600px) {
    .footer-links {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .footer-separator {
        display: none;
    }
}

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--cor-primaria), var(--cor-secundaria));
    color: var(--cor-dark);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: linear-gradient(135deg, var(--cor-secundaria), var(--cor-primaria));
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255, 255, 255, 0.4);
}

@media (max-width: 600px) {
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 1.5rem;
        right: 1.5rem;
        font-size: 1rem;
    }
}