/* ======================= */
/* 1. RESET E ESTILOS GLOBAIS */
/* ======================= */

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

:root {
    --gradiente-principal: linear-gradient(90deg, #4F46E5, #9333EA);
    --gradiente-principal-hover: linear-gradient(90deg, #9333EA, #4F46E5);
    --cor-primaria: #4F46E5;
    --cor-secundaria: #0f172a;
    --cor-fundo: #f8f9fa;
    --cor-texto: #333;
    --cor-texto-claro: #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.6;
    font-family: 'Montserrat', sans-serif;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--cor-secundaria);
}

/* ======================= */
/* 2. CABEÇALHO E NAVEGAÇÃO */
/* ======================= */
.header-container {
    background-color: var(--cor-texto-claro);
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

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

.logo a {
    text-decoration: none;
    color: var(--cor-secundaria);
    font-size: 26px;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
}

.menu-links {
    list-style: none;
    display: flex;
    align-items: center;
}

.menu-links li {
    margin-left: 30px;
}

.menu-links li a {
    text-decoration: none;
    color: var(--cor-texto);
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
}

.menu-links li a:hover {
    color: var(--cor-primaria);
}

.menu-links .btn-contacto {
    color: var(--cor-texto-claro);
    background: var(--gradiente-principal);
    padding: 10px 24px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.4s ease;
    background-size: 200% auto;
    border: none;
}

.menu-links .btn-contacto:hover {
    background-position: right center;
    color: var(--cor-texto-claro);
    box-shadow: 0 4px 15px -5px rgba(79, 70, 229, 0.5);
}

/* --- ESTILO DO ÍCONE HAMBÚRGUER --- */
.menu-hamburguer {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
}

.menu-hamburguer span {
    width: 100%;
    height: 3px;
    background-color: var(--cor-secundaria);
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
}
.menu-hamburguer.ativo span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-hamburguer.ativo span:nth-child(2) { opacity: 0; }
.menu-hamburguer.ativo span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }


/* ======================= */
/* 3. SECÇÃO "HERO"        */
/* ======================= */
.hero-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    background-color: var(--cor-secundaria);
    color: var(--cor-texto-claro);
    position: relative;
    overflow: hidden;
}

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

.hero-container .container {
    position: relative;
    z-index: 2;
}


.hero-container h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--cor-texto-claro);
}

.hero-container .subtitulo {
    font-size: 22px;
    margin-bottom: 35px;
    opacity: 0.9;
    font-weight: 400;
}

.btn-principal {
    background: var(--gradiente-principal);
    color: var(--cor-texto-claro);
    padding: 16px 32px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    font-size: 18px;
    border: none;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    background-size: 200% auto;
    transition: all 0.4s ease;
    display: inline-block;
}

.btn-principal:hover {
    background-position: right center;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -10px rgba(79, 70, 229, 0.6);
}

/* ======================= */
/* 4. ESTILOS GERAIS DAS SECÇÕES */
/* ======================= */

.seccao-container {
    padding: 100px 0;
    text-align: center;
}

.seccao-titulo {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.seccao-subtitulo {
    font-size: 18px;
    color: #555;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.seccao-fundo-escuro {
    background-color: var(--cor-secundaria);
}
.seccao-fundo-escuro .seccao-titulo,
.seccao-fundo-escuro .seccao-subtitulo {
    color: var(--cor-texto-claro);
}
.seccao-fundo-escuro .seccao-subtitulo { color: #ccc; }


/* =================================== */
/* 5. SECÇÃO "SERVIÇOS"                */
/* =================================== */

.servicos-flex-container {
    display: flex;
    align-items: center;
    gap: 60px;
    text-align: left;
}

.servicos-imagem {
    flex: 1;
}

.servicos-imagem img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.servicos-lista {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.servico-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.servico-icone {
    font-size: 3rem;
    margin-top: 5px;
    background: var(--gradiente-principal);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}


.servico-texto h3 {
    font-size: 22px;
    margin-bottom: 8px;
}

.servico-texto p {
    font-size: 16px;
    color: #555;
}


/* ======================= */
/* 6. SECÇÃO "PORTFÓLIO"   */
/* ======================= */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background-color: var(--cor-texto-claro);
    border-radius: 8px;
    border: 1px solid #eee;
    overflow: hidden;
    transition: all 0.3s ease;
    text-align: left;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -10px rgba(79, 70, 229, 0.4);
    border-color: var(--cor-primaria);
}

.portfolio-item img {
    width: 100%;
    height: auto;
    display: block;
}

.portfolio-info {
    padding: 25px;
}

.portfolio-info h3 {
    font-size: 20px;
    margin-bottom: 5px;
}

.portfolio-info p {
    font-size: 15px;
    color: var(--cor-primaria);
    font-weight: 600;
}

/* =================================== */
/* 7. SECÇÃO "SOBRE MIM"               */
/* =================================== */

.sobre-container-flex {
    display: flex;
    align-items: center;
    gap: 60px;
    text-align: left;
    margin-bottom: 80px;
}

.sobre-imagem-container {
    flex-shrink: 0;
    padding: 6px;
    border-radius: 50%;
    background: var(--gradiente-principal);
    transition: transform 0.4s ease;
}

.sobre-imagem-container:hover {
    transform: scale(1.05);
}

.sobre-imagem-container img {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--cor-fundo);
    display: block;
}

.sobre-texto {
    flex-basis: 65%;
}

.sobre-texto h3 {
    font-size: 32px;
    margin-bottom: 15px;
}

.sobre-texto p {
    font-size: 17px;
    margin-bottom: 15px;
    color: #444;
}

.seccao-subtitulo-menor {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 40px;
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.tech-item {
    text-align: center;
}

.tech-item i {
    font-size: 4rem;
    color: #555;
    transition: all 0.3s ease;
}

.tech-item i:hover {
    color: var(--cor-primaria);
    transform: scale(1.1);
}


/* =================================== */
/* 8. SECÇÃO "CONTACTO"                */
/* =================================== */

.contato-links-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.contato-link-card {
    background-color: var(--cor-texto-claro);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    text-decoration: none;
    flex-basis: 280px;
    flex-grow: 1;
    transition: all 0.3s ease;
}

.contato-link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -10px rgba(79, 70, 229, 0.4);
}

.contato-link-card i {
    font-size: 3.5rem;
    background: var(--gradiente-principal);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.contato-link-card h3 {
    font-size: 22px;
    color: var(--cor-secundaria);
    margin: 15px 0 5px 0;
}

.contato-link-card p {
    font-size: 16px;
    font-weight: 500;
    color: var(--cor-primaria);
}


/* ======================= */
/* 9. RODAPÉ (FOOTER)      */
/* ======================= */

.rodape-container {
    background-color: var(--cor-secundaria);
    color: #aaa;
    padding: 40px 0;
    text-align: center;
    border-top: 4px solid;
    border-image-source: var(--gradiente-principal);
    border-image-slice: 1;
}


/* =================================== */
/* 10. (ATUALIZADO) SECÇÃO "COTAÇÃO"   */
/* =================================== */

.cotacao-container {
    display: flex;
    gap: 50px;
    background-color: var(--cor-texto-claro);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    text-align: left;
}

.cotacao-opcoes {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.cotacao-total {
    flex: 1;
    background-color: #f4f7fc;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cotacao-grupo h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--cor-secundaria);
}

.opcao-descricao {
    font-size: 14px;
    color: #555;
    margin: -10px 0 10px 32px;
    font-style: italic;
    font-weight: 400;
    padding-right: 15px;
}

.grupo-opcoes-radio, .grupo-opcoes-check {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* (NOVO) Estilo para grupo de inputs de texto */
.grupo-opcoes-texto {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cotacao-texto {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    border: 2px solid #ccc;
    border-radius: 5px;
    transition: all 0.3s ease;
}
.cotacao-texto:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 10px -5px var(--cor-primaria);
}


.grupo-opcoes-radio label, .grupo-opcoes-check label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

.calc-input[type="radio"], .calc-input[type="checkbox"] {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #ccc;
    border-radius: 50%;
    margin-right: 12px;
    transition: all 0.2s ease;
    display: inline-block;
    position: relative;
    flex-shrink: 0;
}

.calc-input[type="radio"]:checked + .radio-custom {
    border-color: var(--cor-primaria);
    background-color: var(--cor-primaria);
}

.calc-input[type="radio"]:checked + .radio-custom::after {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #ccc;
    border-radius: 4px;
    margin-right: 12px;
    transition: all 0.2s ease;
    display: inline-block;
    position: relative;
    flex-shrink: 0;
}

.calc-input[type="checkbox"]:checked + .checkbox-custom {
    border-color: var(--cor-primaria);
    background-color: var(--cor-primaria);
}

.calc-input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✔';
    color: white;
    font-size: 14px;
    font-weight: bold;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cotacao-select {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    border: 2px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    appearance: none;
    background: white url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23007bff%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-13%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2013l128%20128c3.6%203.6%207.8%205.4%2013%205.4s9.4-1.8%2013-5.4L287%2095c3.6-3.6%205.4-7.8%205.4-13%200-5-1.8-9.2-5.4-12.8z%22%2F%3E%3C%2Fsvg%3E') no-repeat right 12px center;
    background-size: 12px;
    transition: all 0.3s ease;
}
.cotacao-select:focus {
    outline: none;
    border-color: var(--cor-primaria);
}

.cotacao-select:disabled {
    opacity: 0.5;
    background-color: #eee;
    cursor: not-allowed;
}

.cotacao-total h3 {
    font-size: 18px;
    font-weight: 500;
    color: #333;
}

.preco-display {
    font-size: 42px;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    margin: 10px 0 20px 0;
    background: var(--gradiente-principal);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.cotacao-disclaimer {
    font-size: 13px;
    color: #555;
    margin-bottom: 25px;
    font-style: italic;
    line-height: 1.4;
}

/* =================================== */
/* 11. RESPONSIVIDADE (MEDIA QUERIES)  */
/* =================================== */

@media (max-width: 992px) {
    .container {
        max-width: 90%;
    }
    .servicos-flex-container {
        flex-direction: column;
    }
    .servicos-imagem { max-width: 400px; }
    .sobre-container-flex {
        flex-direction: column;
        gap: 30px;
    }
    .sobre-imagem-container { margin-bottom: 20px; }
    .sobre-texto { text-align: center; }

    .cotacao-container {
        flex-direction: column;
    }
    .cotacao-total {
        margin-top: 30px;
    }
}


@media (max-width: 768px) {
    body { line-height: 1.5; }
    
    .menu-hamburguer { display: flex; z-index: 1002; }
    .menu-links {
        position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
        flex-direction: column; justify-content: center; align-items: center;
        gap: 30px; background-color: var(--cor-secundaria);
        transition: transform 0.3s ease-in-out;
        transform: translateY(-100%); z-index: 1001;
    }
    .menu-links.ativo { transform: translateY(0); }
    .menu-links li { margin-left: 0; }
    .menu-links li a { color: var(--cor-texto-claro); font-size: 20px; }
    .menu-links .btn-contacto {
        background: var(--gradiente-principal);
    }
    .menu-links .btn-contacto:hover { color: var(--cor-texto-claro); }
    .header-container { padding-top: 25px; padding-bottom: 25px; }
    
    .seccao-container { padding: 60px 0; }
    .seccao-titulo { font-size: 32px; }
    .seccao-subtitulo { font-size: 16px; margin-bottom: 40px;}

    .hero-container {
        padding-top: 150px; height: auto; padding-bottom: 60px;
    }
    .hero-container h1 { font-size: 36px; }
    .hero-container .subtitulo { font-size: 18px; }

    .servicos-flex-container { gap: 40px; }
    .servico-texto h3 { font-size: 20px; }

    .sobre-container-flex { margin-bottom: 50px; }
    .sobre-imagem-container { transform: scale(0.9); }
    .sobre-imagem-container img { width: 250px; height: 250px; }
    .sobre-texto h3 { font-size: 24px; }
    .sobre-texto p { font-size: 16px; }

    .seccao-subtitulo-menor { font-size: 20px; }
    .tech-stack-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 20px;
    }
    .tech-item i { font-size: 3rem; }

    .cotacao-container {
        padding: 20px;
    }
    .grupo-opcoes-radio label, .grupo-opcoes-check label {
        font-size: 15px;
    }
    
    .contato-links-grid {
        flex-direction: column;
    }
    .contato-link-card {
        flex-basis: 100%;
    }
}