/* Reset do Navegador */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
    text-decoration: none;
    outline: none;
}

/* Variáveis de Cor e Espaçamento */
:root {
    --blue-50: #f0f4f8;   /* Fundo super claro (quase branco com toque de gelo) */
    --blue-100: #d9e2ec;  /* Fundo de elementos inativos (leve acinzentado azulado) */
    --blue-200: #bcccdc;
    --blue-300: #9fb3c8;
    --blue-400: #829ab1;
    --blue-500: #1e3a8a;  /* Azul Marinho vibrante (para os botões e links) */
    --blue-600: #172e70;  
    --blue-700: #112255;  /* Marinho Escuro (para bordas e estados hover) */
    --blue-800: #0a1438;  /* Azul "Meia-Noite" super escuro (para o Header e Footer) */
    --blue-900: #050a1f;  /* Quase preto azulado */
    --blue-950: #020510;

    --gray-200: #e8e8e8;
    --gray-400: #505861;
    --black: #171717;
    --white: #FAF7FF;

    --error: #e63946;

    --shadow-sm: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.05);
    --shadow-md: 0 0.25rem 0.75rem rgba(10, 20, 56, 0.3); /* Ajustado para sombra azul escura */
    --shadow-lg: 0 0.5rem 1.5rem rgba(10, 20, 56, 0.2); /* Ajustado para sombra azul escura */

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    --text-sm: 0.75rem;
    --text-base: 1rem;
    --text-lg: 1.25rem;
    --text-xl: 1.5rem;
    --text-2xl: 2rem;
    --text-3xl: 2.5rem;

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 2rem;
    --radius-full: 50%;

    --transition-default: all 0.3s ease;
}

/* Configurações Básicas */
html {
    scroll-behavior: smooth;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--white);
    line-height: 1.6;
    color: var(--black);
}

main {
    flex: 1;
}

/* Seções - Base Comum */
.section-container {
    max-width: 70rem;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    scroll-margin-top: 6rem;
}

/* Botões */
.buttons-container {
    display: flex;
    gap: var(--spacing-sm);
}

.botao,
.botao-outline {
    display: inline-block;
    padding: 0.75rem 2rem;
    border: 0.15rem solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-default);
}

.botao {
    border-color: var(--blue-500);
    background-color: var(--blue-500);
    color: var(--white);
}

.botao:hover {
    border-color: var(--blue-800);
    background-color: var(--blue-800);
    box-shadow: var(--shadow-md);
    transform: translateY(-0.25rem);
}

.botao-outline {
    border-color: var(--blue-500);
    background-color: transparent;
    color: var(--blue-500);
}

.botao-outline:hover {
    background-color: var(--blue-500);
    color: var(--white);
    transform: translateY(-0.25rem);
}

/* Botões pequenos - Card Projetos */
.botao.botao-sm,
.botao-outline.botao-sm {
    min-width: 6rem;
    padding: 0.25rem var(--spacing-sm);
    border-width: 0.125rem;
    border-radius: 0.25rem;
    font-size: var(--text-sm);
}

/* Header */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    height: 5rem;
    border-bottom: var(--spacing-xs) solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    background-color: var(--blue-800);
}

header a {
    font-weight: 600;
    color: var(--white);
    transition: var(--transition-default);
}

header a:hover {
    color: var(--blue-100);
}

#titulo {
    font-size: var(--text-2xl);
    font-weight: 700;
}

.menu-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 70rem;
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.menu-list {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.menu-list a {
    padding: var(--spacing-xs);
}

/* Hero */
.hero-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    min-height: calc(100vh - 5rem);
}

.hero-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hero-content span {
    font-size: var(--text-xl);
    font-weight: 700;
}

.hero-content h1 {
    font-size: var(--text-3xl);
    font-weight: 700;
}

.hero-content p,
.about-content p,
.contact-info p {
    font-size: var(--text-lg);
    color: var(--gray-400);
}

.hero-image {
    display: flex;
    flex: 1;
    justify-content: center;
}

.hero-image img {
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-xl);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-1.25rem); }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* About */
.about-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    margin: var(--spacing-2xl) auto;
    border-radius: var(--radius-lg);
    background-color: var(--gray-200);
}

.about-image {
    flex: 0 0 17.5rem;
}

.about-image img {
    width: 100%;
    border: 0.35rem solid var(--blue-500);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
}

.about-content h2,
.projects-container h2,
.contact-info h2 {
    margin-bottom: var(--spacing-md);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--blue-800);
}

.about-content p {
    margin-bottom: var(--spacing-sm);
    text-align: justify;
}

.about-buttons-data {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.about-buttons-data .botao {
    margin-right: auto;
}

.data-container {
    display: flex;
    gap: var(--spacing-lg);
}

.data-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.data-number {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--blue-500);
}

.data-label {
    font-size: var(--text-base);
    color: var(--gray-400);
}

/* Projects */
.projects-container {
    scroll-margin-top: 3rem;
    margin: var(--spacing-2xl) auto;
    text-align: center;
}

.projects-container h2 {
    margin-bottom: var(--spacing-md);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--blue-800);
}

.projects-swiper {
    position: relative;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-xl); 
    overflow: hidden;
}

/* Estrutura do Card de Projeto */
.project-card {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    border: 0.15rem solid var(--gray-200);
    border-radius: var(--radius-lg);
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-default);
}

.project-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: var(--shadow-lg);
    border-color: var(--blue-300);
}

.project-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 10rem;
    background: linear-gradient(135deg, var(--blue-50) 0%, var(--blue-100) 100%);
}

.project-image img {
    width: 75%;
    height: 75%;
    max-width: 7rem;
    max-height: 7rem;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

/* Conteúdo e Textos do Card */
.project-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    text-align: left;
}

.project-content h3 {
    margin-bottom: 0.75rem;
    font-size: var(--text-lg);
    font-weight: 700;
}

.project-content p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-base);
    color: var(--gray-400);
}

/* Tags de Ferramentas */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    background-color: var(--blue-100);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--blue-800);
}

/* Contêiner de Botões Interno do Card */
.project-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-top: var(--spacing-sm);
}

/* Configuração Estrutural da Biblioteca Swiper */
.swiper-wrapper {
    align-items: stretch;
}

.swiper-slide {
    display: flex;
    height: auto;
}

/* Setas de Navegação do Swiper */
.swiper-button-next,
.swiper-button-prev {
    width: 3rem;
    height: 3rem;
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: var(--text-lg);
    color: var(--blue-500);
}

.swiper-button-next:hover:after,
.swiper-button-prev:hover:after {
    color: var(--blue-800);
}

/* Paginação do Swiper */
.swiper-pagination-bullet {
    width: 0.75rem;
    height: 0.75rem;
    background-color: var(--gray-200);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    width: var(--spacing-lg);
    border-radius: var(--radius-sm);
    background-color: var(--blue-500);
}

/* Contato */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    margin-bottom: var(--spacing-lg);
}

.social-container {
    display: flex;
    justify-content: left;
    gap: var(--spacing-xl);
}

.social-icon {
    width: 5rem;
    height: 5rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition-default);
}

.social-icon img {
    width: 100%;
    filter: brightness(0) saturate(100%);
    transition: filter 0.3s ease;
}

.social-icon:hover {
    background-color: var(--blue-100);
}

.social-icon:hover img {
    filter: brightness(0) 
            saturate(100%) 
            invert(42%) 
            sepia(93%) 
            saturate(1352%) 
            hue-rotate(243deg) 
            brightness(79%) 
            contrast(91%);
}

#formulario {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

#formulario label {
    font-size: var(--text-base);
    font-weight: 600;
}

#formulario input,
#formulario textarea {
    width: 100%;
    padding: 0.5rem var(--spacing-sm);
    border: 0.25rem solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    transition: border-color 0.3s ease;
}

#formulario input:focus,
#formulario textarea:focus {
    border-color: var(--blue-500);
    outline: none;
}

#formulario textarea {
    min-height: 5rem;
    resize: none;
}

#formulario span {
    margin-top: -0.75rem;
    font-size: var(--text-sm);
    color: var(--error);
}

/* Footer */
footer {
    padding: 2.5rem;
    background: linear-gradient(to right, var(--blue-500), var(--blue-800));
    font-weight: 600;
    text-align: center;
    color: var(--white);
}

/* Página Success */
.success-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: calc(100vh - 12.5rem);
    padding: var(--spacing-xl) var(--spacing-md);
}

.success-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 37.5rem;
    text-align: center;
}

.success-content h1 {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--blue-800);
}

.success-content h2 {
    font-size: var(--text-lg);
    color: var(--gray-400);
}

.success-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 7.5rem;
    height: 7.5rem;
    border-radius: var(--radius-full);
    background-color: var(--blue-100);
}

.success-icon img {
    width: 6rem;
    height: 6rem;
    filter: brightness(0) saturate(100%) invert(11%) sepia(69%) saturate(3759%) hue-rotate(256deg) brightness(101%) contrast(96%);
}

/* Responsividade - Tablet */
@media screen and (max-width: 1024px) {
    /* Reduz espaçamentos base para acomodar telas médias */
    :root {
        --spacing-2xl: 3rem;
        --spacing-xl: 2rem;
    }

    /* Hero: Empilha para evitar texto esmagado pela imagem */
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
    }

    .hero-image img {
        max-width: 25rem;
    }

    /* About: Empilha a foto e o texto */
    .about-container {
        flex-direction: column;
        padding: var(--spacing-lg);
    }

    .about-image {
        flex: 0 0 auto;
    }

    /* Contato: Ajusta formulário para não ficar espremido */
    .contact-container {
        gap: var(--spacing-xl);
    }
}

/* Responsividade - Celular */
@media screen and (max-width: 480px) {
    .section-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .section-container h1 { font-size: var(--text-xl); }
    .section-container h2 { font-size: var(--text-lg); }
    .section-container p { font-size: var(--text-base); }
    .section-container span { font-size: var(--text-lg); }

    #titulo { font-size: var(--text-xl); }

    .menu-content { justify-content: center; }
    .menu-list { display: none; }

    .hero-container {
        flex-direction: column-reverse;
        gap: var(--spacing-xs);
        min-height: 60vh;
    }

    .hero-content {
        gap: var(--spacing-xs);
        width: 100%;
        text-align: center;
    }

    .buttons-container {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    .buttons-container .botao,
    .buttons-container .botao-outline {
        padding: 0.75rem 1rem;
        font-size: var(--text-base);
        white-space: nowrap;
    }

    .hero-image { width: 100%; }
    .hero-image img { max-width: 20rem; }

    .about-container {
        flex-direction: column;
        margin: var(--spacing-lg) 0.5rem;
        padding: var(--spacing-md);
    }

    .about-image img { max-width: 16rem; }
    .about-content { width: 100%; }

    .about-buttons-data {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }

    .about-buttons-data .botao,
    .about-buttons-data .botao-outline {
        width: 100%;
        padding: 0.75rem var(--spacing-lg);
        font-size: var(--text-base);
        text-align: center;
    }

    .data-container {
        justify-content: center;
        width: 100%;
        gap: var(--spacing-md); /* Evita dados espremidos no cel */
    }

    .data-number { font-size: var(--text-lg); }
    .data-label { font-size: var(--text-sm); }

    /* Projetos: Ajusta padding para o Swiper caber na tela */
    .projects-swiper {
        padding: var(--spacing-sm) 0 var(--spacing-xl) 0;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        width: 100%;
        margin: 0 auto;
    }

    /* Centraliza ícones sociais no celular */
    .social-container {
        justify-content: center;
    }

    .contact-info { width: 100%; text-align: center; }
    #formulario { width: 100%; }
    
    /* Success Page: Ajusta texto grande */
    .success-content h1 { font-size: var(--text-2xl); }
}       

/* Transição suave para mudança de tema */
body, .project-card, .about-container {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* DARK MODE */
body.dark-mode {
    --white: #020510;     /* Fundo principal escuro (antigo blue-950) */
    --black: #f0f4f8;     /* Texto claro */
    --blue-50: #050a1f;   /* Fundo secundário (antigo blue-900) */
    --gray-200: #0a1438;  /* Fundo de cards (antigo blue-800) */
    --gray-400: #9fb3c8;  /* Textos secundários (antigo blue-300) */
    --shadow-sm: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.5);
}

/* BOTÕES DE CONTROLE (NAVBAR) */
.site-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: 1rem;
}

.control-btn {
    background: transparent;
    border: 1px solid var(--blue-400);
    color: var(--white);
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition-default);
}

.control-btn:hover {
    background: var(--blue-500);
    border-color: var(--blue-500);
}

@media screen and (max-width: 480px) {
    .site-controls {
        position: absolute;
        right: 1rem;
        top: 1.5rem;
    }
}