:root {
    --bg: #0b0c0f;
    --ln: rgba(255, 255, 255, .13);
    --dim: rgba(235, 249, 242, .55);
    --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
    --disp: 'Syne', 'Arial Black', system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 60px;
    overflow-y: auto;
    scrollbar-width: none;
}

html::-webkit-scrollbar {
    display: none;
}

body {
    background: var(--bg);
    color: #fff;
    font-family: var(--mono);
    overflow-x: hidden;
}

#bg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* barra superior */
.top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    box-sizing: border-box;
    background: rgba(11, 12, 15, .95);
    border-bottom: 1px solid var(--ln);
}

.hl {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-left: auto;
}

.hl a {
    text-transform: uppercase;
    color: rgba(255, 255, 255, .4);
    text-decoration: none;
    transition: color .2s
}

.hl a:hover {
    color: #7FD9B0
}

.name {
    display: flex;
    align-items: center;
    padding: 0 28px;
    white-space: nowrap;
    color: var(--dim);
    text-decoration: none;
}

/* hero */
.hero {
    position: relative;
    z-index: 1;
    isolation: isolate;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 90px 24px 60px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(ellipse 46% 42% at 50% 52%, rgba(11, 12, 15, .92), transparent);
}

h1 {
    font: 800 clamp(2.1rem, 6.2vw, 5.8rem)/.98 var(--disp);
    letter-spacing: -.05em;
    text-transform: uppercase;
}

h1 span {
    display: block;
}

.tg {
    margin-top: clamp(28px, 5vh, 52px);
    font: 800 clamp(1.4rem, 3.2vw, 2.7rem)/1.1 var(--disp);
    letter-spacing: -.01em;
}

.tg em {
    font: italic 400 1.2em/1 'Instrument Serif', Georgia, serif;
    color: #7FD9B0;
    letter-spacing: 0;
}

.lead {
    margin-top: 20px;
    max-width: 540px;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--dim);
}

.bt {
    display: flex;
    gap: 14px;
    margin-top: 34px;
    flex-wrap: wrap;
    justify-content: center;
}

.bt a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 28px;
    font: 700 13px var(--mono);
    letter-spacing: .14em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid #fff;
}

.bt svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.b1 {
    background: #fff;
    color: var(--bg);
    border-radius: 6px;
    transition: .3s ease-in-out;
}

.b1:hover {
    background: transparent;
    color: #fff;
    transform: translateY(-3%);
}

.b2 {
    background: rgba(11, 12, 15, .6);
    color: #fff;
    border-radius: 6px;
    transition: .3s ease-in-out;
}

.b2:hover {
    background: #fff;
    color: var(--bg);
    transform: translateY(-3%);
}

/* régua lateral */
.ruler {
    position: fixed;
    top: 60px;
    right: 0;
    bottom: 0;
    width: 16px;
    z-index: 5;
    pointer-events: none;
    background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, .28) 0 1px, transparent 1px 36px) right/10px 100% no-repeat
}

#sobre-conteudo>p>span {
    color: #7FD9B0;
}

#sobre-conteudo>p {
    margin-bottom: 16px;
    line-height: 1.7;
}

#mk {
    position: absolute;
    right: 0;
    top: 0;
    width: 26px;
    height: 1px;
    background: #fff;
    will-change: transform
}

#pg {
    position: absolute;
    right: 32px;
    top: -6px;
    font: 500 10px/1 var(--mono);
    color: var(--dim)
}

/* seções editáveis */
.sec {
    position: relative;
    z-index: 1;
    padding: 72px clamp(20px, 6vw, 96px);
    background: rgba(11, 12, 15, .93);
    border-top: 1px solid var(--ln)
}

.sec h2 {
    font: 800 clamp(1.7rem, 4vw, 3rem)/1 var(--disp);
    letter-spacing: -.02em;
    text-transform: uppercase;
    margin-bottom: 28px
}

.slot {
    min-height: 300px;
}

:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px
}

@media(max-width:760px) {

    .ruler,
    .hl {
        display: none
    }

    .name {
        padding: 0 16px;
        font-size: 26px
    }

    .skills {
        padding: 0 14px;
        font-size: 10px;
        gap: 10px
    }

    .bt a {
        padding: 16px 20px
    }
}

@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto
    }
}

.sobre-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.sobre-foto {
    display: flex;
    justify-content: center;
}

.sobre-foto img {
    width: 100%;
    max-width: 380px;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: 16px;

    /* estado inicial: invisível e 80px abaixo */
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 0.9s ease, transform 0.9s ease;
}

/* estado final: sobe e aparece */
.sobre-foto.visivel img {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .sobre-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sobre-foto img {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ===== PROJETOS ===== */
#projetos {
    --p-card: rgba(255, 255, 255, 0.025);
    --p-borda: rgba(255, 255, 255, 0.12);
    --p-borda-forte: rgba(255, 255, 255, 0.35);
    --p-texto: #f5f5f6;
    --p-suave: #9b9da4;
    --p-destaque: #86e3b4;
    /* o verde do "experimentos." */
    --p-fundo: #0a0b0f;
    --p-fonte-titulo: inherit;
    /* troque pela fonte larga dos seus títulos */
    --p-fonte-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --p-fonte-serif: 'Instrument Serif', Georgia, serif;
}

/* Filtros */
.proj-filtros {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 2rem;
}

.proj-filtros[hidden],
.proj-vazio[hidden] {
    display: none;
}

.proj-filtro {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 1rem;
    font-family: var(--p-fonte-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--p-texto);
    background: transparent;
    border: 1px solid var(--p-borda-forte);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.proj-filtro:hover {
    border-color: var(--p-texto);
}

.proj-filtro[aria-pressed="true"] {
    background: var(--p-texto);
    color: var(--p-fundo);
    border-color: var(--p-texto);
}

.proj-filtro-n {
    opacity: 0.5;
}

/* Grid de cards */
.proj-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: 1rem;
}

.proj-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--p-card);
    border: 1px solid var(--p-borda);
    border-radius: 6px;
    transition: border-color 0.25s, transform 0.25s, background 0.25s;
    animation: proj-in 0.5s ease backwards;
    animation-delay: calc(var(--i, 0) * 60ms);
}

.proj-card:hover {
    border-color: var(--p-destaque);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-3px);
}

.proj-topo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--p-fonte-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--p-suave);
}

.proj-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
}

.proj-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    text-transform: uppercase;
    color: var(--p-destaque);
}

.proj-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--p-destaque);
}

.proj-titulo {
    margin: 0;
    font-family: var(--p-fonte-titulo);
    font-size: 1.1rem;
    line-height: 1.2;
    text-transform: uppercase;
    color: var(--p-texto);
    overflow-wrap: break-word;
}

.proj-desc {
    flex: 1;
    margin: 0;
    font-family: var(--p-fonte-mono);
    font-size: 0.82rem;
    line-height: 1.7;
    color: var(--p-suave);
}

.proj-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.proj-tag {
    padding: 0.3rem 0.6rem;
    font-family: var(--p-fonte-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--p-suave);
    background: transparent;
    border: 1px solid var(--p-borda);
    border-radius: 3px;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}

.proj-tag:hover,
.proj-tag[aria-pressed="true"] {
    color: var(--p-destaque);
    border-color: var(--p-destaque);
}

.proj-links {
    display: flex;
    gap: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--p-borda);
}

.proj-link {
    font-family: var(--p-fonte-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--p-texto);
    transition: color 0.2s;
}

.proj-link:hover {
    color: var(--p-destaque);
}

.proj-vazio {
    margin: 2rem 0;
    font-family: var(--p-fonte-mono);
    font-size: 1.6rem;
    color: var(--p-suave);
}

.proj-filtro:focus-visible,
.proj-tag:focus-visible,
.proj-link:focus-visible {
    outline: 2px solid var(--p-destaque);
    outline-offset: 3px;
}

@keyframes proj-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .proj-card {
        animation: none;
        transition: none;
    }
}