/* SELETORES GLOBAIS E VARIÁVEIS */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

:root {
    /* Tema Claro */
    --bg-color: #F7F6F2;
    --text-primary: #14140F;
    --text-secondary: #7A7A70;
    --border-color: rgba(20, 20, 15, 0.12);
    --header-bg: rgba(247, 246, 242, 0.88); 

    --card-bg: #FFFFFF;
    --card-border: rgba(20, 20, 15, 0.12);
    --chip-bg: #EAE8E2;

    --btn-primary-bg: #14140F;
    --btn-primary-text: #F7F6F2;
    --btn-ghost-text: #14140F;
    --btn-ghost-border: #14140F;
}

[data-theme="dark"] {
    /* Tema Escuro */
    --bg-color: #0F0F0D;
    --text-primary: #F7F6F2;
    --text-secondary: #A0A096;
    --border-color: rgba(247, 246, 242, 0.15);
    --header-bg: rgba(15, 15, 13, 0.88); 

    --card-bg: #181815;
    --card-border: rgba(247, 246, 242, 0.15);
    --chip-bg: #22221E;

    --btn-primary-bg: #F7F6F2;
    --btn-primary-text: #0F0F0D;
    --btn-ghost-text: #F7F6F2;
    --btn-ghost-border: #F7F6F2;
}

body {
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'IBM Plex Mono', monospace;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: inherit;
    text-decoration: none;
}

::selection {
    background: #4F46E5;
    color: #F7F6F2;
}

/* HEADER FIXO (STICKY) */

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 48px;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-controls button {
    width: 52px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.header-controls button:hover {
    border-color: #4F46E5;
    color: #4F46E5;
}

.logo {
    font-weight: 700;
    font-size: 25px;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    position: relative;
    text-decoration: none;
    transition: color 0.2s ease;
}

.logo:hover {
    color: #4F46E5;
}

.navegacao {
    display: flex;
    gap: 30px;
    margin: 0 auto;
}

.navegacao a {
    font-size: 16px;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--text-secondary);
    position: relative;
    padding: 4px 0;
    transition: color .2s ease;
}

.navegacao a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0%;
    height: 1px;
    background: #4F46E5;
    transition: width .2s ease;
}

.navegacao a:hover,
.navegacao a.active {
    color: var(--text-primary);
}

.navegacao a:hover::after,
.navegacao a.active::after {
    width: 100%;
}

/* MAIN */

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
    min-height: auto;
}

.view {
    scroll-margin-top: 84px;
}

/* TITULOS */

.titulo-paragrafo {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin: 0 0 12px 0;
}

.subtitulo {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0 0 48px 0;
    color: var(--text-primary);
}

/* HOME */

#inicio {
    min-height: calc(100vh - 78px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 0;
}

h1.hero {
    font-family: 'IBM Plex Mono', monospace;
    font-size: clamp(40px, 5.5vw, 76px);
    line-height: 1.12;
    font-weight: 600; 
    letter-spacing: -0.03em;
    margin: 0 0 28px 0;
    max-width: 20ch;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1.hero .accent {
    color: #4F46E5;
}

.hero-lede {
    max-width: 56ch;
    font-size: 17px;
    line-height: 1.75;
    color: var(--text-secondary);
    margin: 0 0 45px 0;
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}

.btn {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    padding: 13px 22px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    transition: all .2s ease;
    width: auto;
}

.btn.primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: 1px solid var(--btn-primary-bg);
}

.btn.primary:hover {
    background: #4F46E5;
    border-color: #4F46E5;
    color: #FFFFFF;
}

.btn.ghost {
    color: var(--btn-ghost-text);
    border: 1px solid var(--btn-ghost-border);
    background: transparent;
}

.btn.ghost:hover {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.home-social {
    display: flex;
    gap: 16px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.home-social a {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.home-social a:hover {
    color: #4F46E5;
}

.home-social a:hover span.arrow {
    transform: translate(3px, -3px);
    color: #4F46E5;
}

/* SOBRE */

#sobre {
    min-height: calc(100vh - 78px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 0;
    scroll-margin-top: 84px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.about-text p {
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-secondary);
    margin: 0 0 20px 0;
    text-align: left;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-side h4 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin: 25px 0 25px 0;
}

.about-side h5 {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    margin: 35px 0 12px 0;
}

.edu-card {
    display: inline-block;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 20px;
    background: var(--chip-bg);
}

.edu-card .school {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
}

.edu-card .course {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skills span {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    background: var(--chip-bg);
}

/* PROJETOS */

#projetos {
    min-height: auto; 
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 60px 0 40px 0; 
    scroll-margin-top: 150px;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.project-card {
    border: 1px solid var(--card-border);
    border-radius: 14px;
    overflow: hidden;
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
    transition: transform .25s ease, border-color .25s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: #4F46E5;
}

.project-preview {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, color-mix(in srgb, #4F46E5 18%, #EFEEE8), #EFEEE8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.project-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    inset: 0;
}

.project-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.project-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.project-body p {
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tags span {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: #4F46E5;
    background: color-mix(in srgb, #4F46E5 12%, transparent);
    padding: 4px 9px;
    border-radius: 20px;
}

.project-links-container {
    display: flex;
    gap: 16px;
    margin-top: 4px;
}

.project-link {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12.5px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
    text-decoration: none;
    transition: color .2s ease;
}

.project-link::after {
    content: "↗";
    transition: transform .2s ease;
}

.project-link:hover {
    color: #4F46E5;
}

.project-link:hover::after {
    transform: translate(2px, -2px);
}

/* CONTATO */

#contato {
    min-height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 0;
    scroll-margin-top: 84px;
    text-align: left;
}

.paragrafo-contato {
    max-width: 58ch;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.75;
    margin: 0 0 44px 0;
}

.contato-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contato-links a {
    font-size: clamp(22px, 4vw, 34px);
    font-weight: 700;
    width: fit-content;
    position: relative;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    text-decoration: none;
    color: var(--text-primary);
}

.contato-links a span.seta {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 15px;
    color: var(--text-secondary);
    transition: transform .2s ease;
}

.contato-links a:hover {
    color: #4F46E5;
}

.contato-links a:hover span.seta {
    transform: translate(3px, -3px);
    color: #4F46E5;
}

/* FOOTER */

footer {
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-rodape {
    max-width: 1080px;
    margin: 0 auto;
    padding: 30px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.9;
}

.footer-logo strong {
    color: var(--text-secondary);
}

.voltar-topo {
    color: var(--text-secondary);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 16px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.voltar-topo:hover {
    color: #4F46E5;
}

/* RESPONSIVIDADE (MEDIA QUERIES) */

@media (max-width: 1024px) {
    header {
        padding: 16px 24px;
    }

    main {
        padding: 0 24px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .project-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-rodape {
        padding: 30px 24px;
    }
}

@media (max-width: 768px) {
    header {
        position: sticky;
        top: 0;
        flex-direction: column;
        gap: 8px;          
        padding: 10px 16px; 
    }

    .logo {
        font-size: 18px;    
    }

    .navegacao {
        gap: 12px;         
        flex-wrap: wrap;
        justify-content: center;
    }

    .navegacao a {
        font-size: 13px;    
        padding: 2px 0;
    }

    .header-controls {
        display: flex;
        gap: 8px;          
        justify-content: center;
        align-items: center;
    }

    .header-controls button {
        width: 44px;       
        height: 28px;     
        font-size: 10px;   
        min-height: auto;
    }

    main {
        padding: 0 20px; 
    }

    h1.hero {
        font-size: clamp(36px, 10vw, 48px);
    }

    .hero-cta {
        display: flex;
        flex-direction: row;
        gap: 10px;
    }

    .btn {
        width: auto !important;
        padding: 10px 16px;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .contato-links a {
        font-size: 20px;
    }

    .footer-rodape {
        flex-direction: column;
        gap: 16px;
        text-align: center;
        padding: 24px 16px;
    }
}