:root {
    --cor-primaria: #00bfa6;
    --cor-fundo: #121212;
    --cor-surface: #1e1e1e;
    --cor-texto: #e0e0e0;
    --cor-texto-secundario: #a0a0a0;
    --font-principal: 'Poppins', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-principal);
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.6;
    padding-top: 80px;
}

/* Estrutura e Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    background-color: rgba(30, 30, 30, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid #2a2a2a;
}

/* Estilos da Seção Hero (Página Inicial) */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: calc(100vh - 80px); 
    min-height: 500px;
    position: relative;
    overflow: hidden; 
}

#particles-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1; 
}


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

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cor-primaria);
    text-decoration: none;
}

.nav-menu {
    list-style: none;
    display: flex;
}

.nav-item {
    margin-left: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--cor-texto);
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--cor-primaria);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
    background-color: var(--cor-texto);
}

/* Classe genérica para seções das páginas */
.page-section {
    padding: 4rem 0;
}

/* Efeito de Animação de Fade-in*/
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Estilos da Seção Hero (Página Inicial) */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* Calcula a altura para ocupar a tela, descontando o padding do body */
    height: calc(100vh - 80px); 
    min-height: 500px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.hero-content h1 span {
    color: var(--cor-primaria);
}

.hero-content p {
    font-size: 1.5rem;
    color: var(--cor-texto-secundario);
    font-weight: 300;
}

/* Efeito de Digitação*/
.typed-text {
    color: var(--cor-primaria);
}
.typed-cursor {
    opacity: 1;
    animation: typedjsBlink 0.7s infinite;
}
@keyframes typedjsBlink {
    50% { opacity: 0.0; }
}

.btn {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 2rem;
    background-color: var(--cor-primaria);
    color: var(--cor-fundo);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 191, 166, 0.2);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    position: relative;
}
.section-title::after {
    content: '';
    width: 80px;
    height: 4px;
    background-color: var(--cor-primaria);
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Sobre */
.sobre-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}
.sobre-img img {
    max-width: 100%;
    border-radius: 10px;
    border: 3px solid var(--cor-primaria);
}
.skills-list {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}
.skill-tag {
    background-color: var(--cor-surface);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--cor-primaria);
}

/* Projetos */
.projetos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}
.projeto-card {
    background-color: var(--cor-surface);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s;
    border: 1px solid #2a2a2a;
}
.projeto-card:hover {
    transform: translateY(-10px);
}
.projeto-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.projeto-info {
    padding: 1.5rem;
}
.projeto-info h3 {
    color: var(--cor-primaria);
    margin-bottom: 0.5rem;
}
.projeto-links {
    margin-top: 1rem;
}
.projeto-links a {
    color: var(--cor-texto);
    text-decoration: none;
    margin-right: 1.5rem;
    font-weight: 600;
}
.projeto-links a:hover {
    color: var(--cor-primaria);
}
.projeto-links a i {
    margin-right: 0.5rem;
}

/* Contato */
.contato-form {
    max-width: 700px;
    margin: 0 auto;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.form-control {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--cor-surface);
    border: 1px solid #444;
    border-radius: 5px;
    color: var(--cor-texto);
    font-family: var(--font-principal);
}
.form-control:focus {
    outline: none;
    border-color: var(--cor-primaria);
}
.error-message {
    color: #ff6b6b;
    font-size: 0.8rem;
    margin-top: 0.3rem;
    display: none;
}
.form-control.invalid {
    border-color: #ff6b6b;
}
.btn-submit {
    width: 100%;
    padding: 1rem;
    background-color: var(--cor-primaria);
    color: var(--cor-fundo);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}
.btn-submit:hover {
    background-color: #00a892;
}
#form-success {
    text-align: center;
    color: var(--cor-primaria);
    font-weight: 600;
    display: none;
    margin-top: 1.5rem;
}


/* ========== ESTILOS DA SEÇÃO DE HABILIDADES ========== */
.skills {
    padding: 4rem 0;
}

.skills-grid {
    display: flex; 
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center; 
    gap: 1.5rem; 
}

.skill-card {
    background-color: var(--cor-surface);
    border: 1px solid #2a2a2a;
    border-radius: 10px;
    padding: 2rem 1rem;
    text-align: center;
    width: 130px; /* Largura fixa para cada card */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px); /* Efeito de elevação */
    box-shadow: 0 8px 15px rgba(0, 191, 166, 0.1);
}

.skill-card i {
    font-size: 3rem;
    color: var(--cor-primaria);
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1rem;
    color: var(--cor-texto);
    font-weight: 400;
}
/* ========================================================== */


/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    background-color: var(--cor-surface);
    border-top: 1px solid #2a2a2a;
    margin-top: auto; 
}
.social-links {
    margin-bottom: 1rem;
}
.social-links a {
    color: var(--cor-texto-secundario);
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.3s;
}
.social-links a:hover {
    color: var(--cor-primaria);
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 65px;
        flex-direction: column;
        background-color: var(--cor-surface);
        width: 100%;
        height: calc(100vh - 65px);
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding-top: 2rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1.5rem 0;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-content p {
        font-size: 1.2rem;
    }

    .sobre-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .sobre-img {
        margin: 0 auto 2rem auto;
        max-width: 300px;
    }
}

/* Estilos da Janela Modal */
.modal {
    display: none; 
    position: fixed;
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--cor-surface); 
    margin: 3% auto; 
    padding: 2rem; 
    border: 1px solid #2a2a2a; 
    width: 90%;
    max-width: 1200px;
    height: 85%;
    position: relative;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    color: var(--cor-texto); 
}

#project-iframe {
    width: 100%;
    height: calc(100% - 2rem);
    border: none;
    border-radius: 5px; 
    background-color: var(--cor-fundo); 
}

.close-button {
    color: var(--cor-texto-secundario);
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 2rem; 
    font-weight: bold;
    transition: color 0.3s ease; 
    cursor: pointer;
    z-index: 1001; 
}

.close-button:hover,
.close-button:focus {
    color: var(--cor-primaria);
    text-decoration: none;
    transform: scale(1.1); 
    transition: all 0.3s ease;
}

/* Responsividade para o modal */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        height: 90%;
        margin: 2% auto;
        padding: 1rem;
    }
    
    .close-button {
        top: 10px;
        right: 15px;
        font-size: 1.8rem;
    }
    
    #project-iframe {
        height: calc(100% - 1rem);
    }
}