/* ============================================================
   Portfólio Davi Oliveira — design system "Nocturne"
   One-page. Tokens em :root (dark padrão) e [data-theme="light"].
   Acento usado como linha e brilho, nunca preenchimento.
   ============================================================ */

:root {
    --pf-bg: #161826;
    --pf-surface: #232532;
    --pf-text: #e9e9ed;
    --pf-muted: #9397ab;
    --pf-border: rgba(233, 233, 237, 0.16);
    --pf-rule: #595d6c;
    --pf-accent: #367588;
    --pf-accent-soft: #c8dfe8;
    --pf-tint: #21343f;
    --pf-on-accent: #f2f7f9;
    --pf-ground:
        radial-gradient(1200px 720px at 82% -160px, rgba(33, 52, 63, 0.75), transparent 60%),
        radial-gradient(1100px 800px at -10% 100%, rgba(0, 0, 0, 0.3), transparent 55%),
        #161826;
    --leading: 28px;
}

[data-theme="light"] {
    --pf-bg: #f3f6f9;
    --pf-surface: #ffffff;
    --pf-text: #292b31;
    --pf-muted: #595d6c;
    --pf-border: rgba(41, 43, 49, 0.16);
    --pf-rule: #ccd6dc;
    --pf-accent: #2b6373;
    --pf-accent-soft: #35505c;
    --pf-tint: #dcebf0;
    --pf-ground:
        radial-gradient(1200px 720px at 82% -160px, color-mix(in srgb, #dcebf0 70%, transparent), transparent 60%),
        #f3f6f9;
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--pf-ground);
    background-color: var(--pf-bg);
    color: var(--pf-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 15.5px;
    line-height: 1.65;
    text-wrap: pretty;
    -webkit-font-smoothing: antialiased;
}

/* Nenhuma seção pode gerar rolagem horizontal no celular.
   "clip" (e não "hidden") preserva o position: sticky do header. */
html,
body {
    overflow-x: clip;
}

img {
    max-width: 100%;
}

a {
    color: var(--pf-accent);
    text-decoration: none;
}

a:hover {
    color: var(--pf-accent-soft);
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
p {
    margin: 0;
}

input,
textarea,
button {
    font-family: inherit;
}

:focus-visible {
    outline: 2px solid var(--pf-accent);
    outline-offset: 2px;
}

::selection {
    background: color-mix(in srgb, var(--pf-accent) 35%, transparent);
}

/* Largura total da tela, respeitando só o gutter lateral */
.container {
    width: 100%;
    padding: 0 clamp(20px, 5vw, 72px);
}

/* Âncoras compensam o header sticky de 64px */
section[id] {
    scroll-margin-top: 64px;
}

/* ---------- Reveal (entrada no scroll) ----------
   O conteúdo nasce visível; a animação é só um enfeite de entrada
   aplicado pelo JS via classe .reveal-in (nunca opacity: 0 inicial). */

@keyframes pf-in {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.reveal-in {
    animation: pf-in 0.6s ease forwards;
}

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

    .reveal-in {
        animation: none;
    }

    .carousel-viewport {
        scroll-behavior: auto;
    }

    .exp-row.is-collapsible .exp-body,
    .exp-toggle-icon {
        transition: none;
    }
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: color-mix(in srgb, var(--pf-bg) 88%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--pf-border);
}

.header-inner {
    min-height: 64px;
    padding-top: 10px;
    padding-bottom: 10px;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 20px;
}

/* Só volta a quebrar linha quando realmente não há espaço */
@media (max-width: 1160px) {
    .header-inner {
        flex-wrap: wrap;
    }
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: -0.01em;
    color: var(--pf-text);
    white-space: nowrap;
}

.brand img {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    object-fit: cover;
    display: block;
}

.brand:hover {
    color: var(--pf-text);
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px clamp(16px, 2vw, 28px);
}

.site-nav a {
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--pf-muted);
}

.site-nav a:hover {
    color: var(--pf-accent-soft);
}

.site-nav a.active {
    color: var(--pf-accent);
}

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

.hbtn {
    height: 32px;
    padding: 0 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--pf-border);
    border-radius: 6px;
    color: var(--pf-muted);
    font-size: 12px;
    cursor: pointer;
}

.hbtn:hover {
    background: color-mix(in srgb, var(--pf-accent) 12%, transparent);
    color: var(--pf-muted);
}

.hbtn-lang {
    font-weight: 600;
    letter-spacing: 0.06em;
}

.hbtn-icon {
    width: 32px;
    padding: 0;
}

.hbtn-k span {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

/* CTA sólido do header: o único preenchimento de acento do site */
.hbtn-cv {
    height: 34px;
    padding: 0 16px;
    gap: 10px;
    background: var(--pf-accent);
    border-color: var(--pf-accent);
    color: var(--pf-on-accent);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
}

.hbtn-cv:hover {
    background: var(--pf-accent);
    color: var(--pf-on-accent);
    filter: brightness(1.08);
}

/* Tema: lua no dark, sol no light */
[data-theme="light"] .icon-moon,
html:not([data-theme="light"]) .icon-sun {
    display: none;
}

/* ---------- Seções ---------- */

.section {
    padding: calc(2.5 * var(--leading)) 0;
}

.rule {
    height: 1px;
    border: 0;
    margin: 0;
    background: linear-gradient(to right, transparent, var(--pf-border) 48px calc(100% - 48px), transparent);
}

.kicker {
    display: block;
    font-size: 13px;
    line-height: 14px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pf-accent);
    margin-bottom: 14px;
}

.section-title {
    font-weight: 500;
    font-size: clamp(28px, 3.2vw, 40px);
    line-height: 1.15;
    letter-spacing: -0.015em;
}

.section-head {
    margin-bottom: calc(1.5 * var(--leading));
}

/* ---------- Botões ---------- */

.btn {
    height: 40px;
    padding: 0 20px;
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--pf-border);
    border-radius: 6px;
    background: transparent;
    color: var(--pf-text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

.btn:hover {
    background: color-mix(in srgb, var(--pf-accent) 12%, transparent);
    color: var(--pf-text);
}

.btn-accent {
    border-color: var(--pf-accent);
    color: var(--pf-accent);
}

.btn-accent:hover {
    color: var(--pf-accent);
}

/* CTAs do hero: maiores, uppercase, com seta */
.btn-hero {
    height: 46px;
    padding: 0 22px;
    gap: 12px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.btn-solid {
    background: var(--pf-accent);
    border-color: var(--pf-accent);
    color: var(--pf-on-accent);
}

.btn-solid:hover {
    background: var(--pf-accent);
    color: var(--pf-on-accent);
    filter: brightness(1.08);
}

/* ---------- Início (hero) ---------- */

/* O hero ocupa exatamente a primeira tela (viewport menos o header),
   sem conteúdo aparecendo embaixo; a foto ancora na base da tela. */
.hero {
    min-height: calc(100vh - 64px);
    min-height: calc(100svh - 64px);
    display: flex;
    padding: 0;
}

.hero-grid {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(28px, 5vw, 72px);
    align-items: center;
}

.hero-copy {
    padding: calc(2 * var(--leading)) 0;
}

.hero-kicker {
    display: block;
    font-size: 11.5px;
    line-height: 14px;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--pf-accent);
    margin-bottom: 24px;
}

.hero-title {
    font-weight: 500;
    font-size: clamp(36px, 4.4vw, 60px);
    line-height: 1.14;
    letter-spacing: -0.025em;
    margin: 0 0 24px;
}

.hero-title span {
    display: block;
}

.hero-title .accent {
    color: var(--pf-accent);
}

.hero-sub {
    font-size: 16px;
    line-height: 28px;
    max-width: 44ch;
    margin-bottom: 30px;
    color: color-mix(in srgb, var(--pf-text) 78%, transparent);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

/* Linha de tecnologias (não são chips) */
.hero-tech {
    border-top: 1px solid var(--pf-border);
    padding-top: 22px;
    max-width: 44ch;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
}

.hero-tech span {
    font-size: 11px;
    line-height: 16px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--pf-muted);
}

/* Foto recortada (com alpha): a silhueta integra a foto ao fundo.
   A coluna ocupa a altura toda do hero e a imagem encosta na base. */
.hero-photo {
    position: relative;
    align-self: stretch;
}

.hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: bottom center;
    display: block;
    filter: brightness(0.97) contrast(1.02);
}

[data-theme="light"] .hero-photo img {
    filter: none;
}

.hero-caption {
    position: absolute;
    top: 8px;
    right: 4px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.hero-caption span {
    font-size: 10.5px;
    line-height: 15px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--pf-muted);
}

/* ---------- Experiência ---------- */

.exp-row {
    display: grid;
    grid-template-columns: minmax(56px, 88px) minmax(0, 340px) minmax(0, 1fr);
    gap: var(--leading) clamp(24px, 4vw, 64px);
    padding: calc(1.5 * var(--leading)) 0;
    border-top: 1px solid var(--pf-border);
}

.exp-num {
    font-size: 15px;
    line-height: 24px;
    color: var(--pf-accent);
    font-variant-numeric: tabular-nums;
}

.exp-role {
    font-weight: 500;
    font-size: 22px;
    line-height: 28px;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.exp-company {
    font-size: 15px;
    color: var(--pf-accent-soft);
}

.exp-period {
    font-size: 13.5px;
    line-height: 22px;
    color: var(--pf-muted);
    margin-top: 6px;
    font-variant-numeric: tabular-nums;
}

/* Atividades recolhidas: a seção fica curta e o visitante abre o que interessa.
   Sem JS o botão não aparece e o conteúdo continua visível. */
.exp-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    height: 32px;
    padding: 0 14px;
    background: transparent;
    border: 1px solid var(--pf-border);
    border-radius: 999px;
    color: var(--pf-muted);
    font-size: 12.5px;
    cursor: pointer;
}

.exp-row.is-collapsible .exp-toggle {
    display: inline-flex;
}

.exp-toggle:hover {
    background: color-mix(in srgb, var(--pf-accent) 12%, transparent);
    color: var(--pf-accent);
}

.exp-row.is-open .exp-toggle {
    border-color: var(--pf-accent);
    color: var(--pf-accent);
}

.exp-toggle-icon {
    transition: transform 0.25s ease;
}

.exp-row.is-open .exp-toggle-icon {
    transform: rotate(180deg);
}

/* A altura anima de 0fr para 1fr: sem max-height chutado */
.exp-row.is-collapsible .exp-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
}

.exp-row.is-collapsible.is-open .exp-body {
    grid-template-rows: 1fr;
}

.exp-row.is-collapsible .exp-body-inner {
    overflow: hidden;
    padding-top: 18px;
}

.exp-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
}

.exp-details li {
    font-size: 15.5px;
    line-height: 26px;
    color: color-mix(in srgb, var(--pf-text) 80%, transparent);
    padding-left: 18px;
    position: relative;
}

/* Marcador de traço fino desenhado (não é caractere de texto) */
.exp-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 5px;
    height: 1px;
    background: var(--pf-accent);
}

.exp-skills {
    font-size: 13px;
    line-height: 22px;
    color: var(--pf-muted);
}

/* ---------- Habilidades ---------- */

.skill-row {
    display: grid;
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
    gap: 14px clamp(24px, 4vw, 64px);
    padding: 22px 0;
    border-top: 1px solid var(--pf-border);
    align-items: baseline;
}

.skill-name {
    font-weight: 500;
    font-size: 17px;
    line-height: 26px;
}

.skill-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-chip {
    padding: 5px 12px;
    border: 1px solid var(--pf-border);
    border-radius: 8px;
    background: color-mix(in srgb, var(--pf-surface) 60%, transparent);
    font-size: 13px;
    line-height: 20px;
    color: color-mix(in srgb, var(--pf-text) 84%, transparent);
}

/* ---------- Projetos ---------- */

.projects-head {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: calc(1.5 * var(--leading));
}

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

.filter-pill {
    height: 32px;
    padding: 0 14px;
    font-size: 12.5px;
    cursor: pointer;
    border-radius: 999px;
    background: transparent;
    border: 1px solid var(--pf-border);
    color: var(--pf-muted);
}

.filter-pill:hover {
    background: color-mix(in srgb, var(--pf-accent) 12%, transparent);
}

.filter-pill.active {
    background: var(--pf-tint);
    border-color: var(--pf-accent);
    color: var(--pf-accent);
}

/* Carrossel genérico: a altura da seção não cresce quando novos itens são cadastrados */
.carousel {
    --per-view: 3;
    --rows: 1;
    --carousel-gap: 20px;
}

.carousel-viewport {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    margin: 0 calc(-1 * var(--carousel-gap) / 2);
    padding: 4px calc(var(--carousel-gap) / 2);
}

.carousel-viewport::-webkit-scrollbar {
    display: none;
}

.carousel-viewport:focus-visible {
    outline: 2px solid var(--pf-accent);
    outline-offset: 4px;
}

.carousel-track {
    display: flex;
    gap: var(--carousel-gap);
    align-items: stretch;
}

.carousel-track > * {
    scroll-snap-align: start;
}

.project-card {
    flex: 0 0 calc((100% - (var(--per-view) - 1) * var(--carousel-gap)) / var(--per-view));
    display: flex;
    flex-direction: column;
    border: 1px solid var(--pf-border);
    border-radius: 8px;
    background: color-mix(in srgb, var(--pf-surface) 55%, transparent);
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: var(--leading);
}

.carousel-controls[hidden] {
    display: none;
}

.carousel-dots {
    display: flex;
    align-items: center;
    gap: 8px;
}

.carousel-dot {
    width: 22px;
    height: 3px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: var(--pf-rule);
    cursor: pointer;
    transition: background 0.2s ease, width 0.2s ease;
}

.carousel-dot.active {
    width: 38px;
    background: var(--pf-accent);
}

.carousel-arrows {
    display: flex;
    gap: 8px;
}

.carousel-arrow {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--pf-border);
    border-radius: 6px;
    background: transparent;
    color: var(--pf-text);
    cursor: pointer;
}

.carousel-arrow:hover:not(:disabled) {
    border-color: var(--pf-accent);
    color: var(--pf-accent);
}

.carousel-arrow:disabled {
    opacity: 0.35;
    cursor: default;
}

.carousel-count {
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pf-muted);
}

.project-card:hover {
    border-color: var(--pf-accent);
}

.project-card.filtered-out {
    display: none;
}

/* Topo do card: moldura fixa 2:1 em TODOS os cards (com print ou não), para que
   os títulos fiquem na mesma altura em toda a linha do carrossel. 2:1 é a
   proporção dos prints de tela cheia, então o corte é mínimo; qualquer imagem
   fora dessa proporção é normalizada pelo object-fit: cover, sem distorcer.
   O raio é 1px menor que o do card para encaixar por dentro da borda. */
.card-media {
    flex: 0 0 auto;
    aspect-ratio: 2 / 1;
    border-bottom: 1px solid var(--pf-border);
    border-radius: 7px 7px 0 0;
    overflow: hidden;
    background: var(--pf-tint);
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Capa neutra dos projetos sem interface (APIs): nome do repositório em mono
   sobre a malha de pontos, no lugar de um retângulo vazio. */
.card-media-blank {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-image: radial-gradient(circle,
            color-mix(in srgb, var(--pf-rule) 40%, transparent) 1px,
            transparent 1px);
    background-size: 16px 16px;
    color: var(--pf-muted);
}

.card-media-blank svg {
    color: var(--pf-accent);
}

.card-media-blank span {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px;
    letter-spacing: 0.02em;
    padding: 0 16px;
    text-align: center;
    overflow-wrap: anywhere;
}

.card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
}

.card-title {
    font-weight: 500;
    font-size: 19px;
    line-height: 26px;
    letter-spacing: -0.01em;
}

.card-desc {
    font-size: 15px;
    line-height: 26px;
    color: color-mix(in srgb, var(--pf-text) 78%, transparent);
    /* Teto de linhas: uma descrição longa não estica a linha inteira do grid */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    line-clamp: 4;
    overflow: hidden;
}

.has-preview .card-desc {
    -webkit-line-clamp: 2;
    line-clamp: 2;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 10px;
    /* Empurra tags e botões para a base: nenhum card fica "afundado" */
    margin-top: auto;
}

.card-tags span {
    font-size: 12px;
    line-height: 18px;
    color: var(--pf-muted);
}

.card-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--pf-border);
}

.card-btn {
    height: 32px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--pf-border);
    border-radius: 6px;
    font-size: 12.5px;
    color: var(--pf-muted);
}

.card-btn:hover {
    background: color-mix(in srgb, var(--pf-accent) 12%, transparent);
    color: var(--pf-muted);
}

.card-btn-accent {
    border-color: var(--pf-accent);
    color: var(--pf-accent);
}

.card-btn-accent:hover {
    color: var(--pf-accent);
}

.projects-empty {
    font-size: 15px;
    color: var(--pf-muted);
    padding: calc(1.5 * var(--leading)) 0;
    text-align: center;
}

/* ---------- Formação ---------- */

.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: calc(1.5 * var(--leading));
}

.edu-card {
    padding: 24px;
    border: 1px solid var(--pf-border);
    border-radius: 8px;
    background: color-mix(in srgb, var(--pf-surface) 55%, transparent);
}

.edu-card h3 {
    font-weight: 500;
    font-size: 19px;
    line-height: 26px;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.edu-inst {
    font-size: 15px;
    line-height: 24px;
    color: var(--pf-accent-soft);
    margin-bottom: 4px;
}

.edu-period {
    font-size: 13.5px;
    line-height: 22px;
    color: var(--pf-muted);
    font-variant-numeric: tabular-nums;
}

.certs-title {
    font-weight: 500;
    font-size: 17px;
    line-height: 26px;
    margin-bottom: 8px;
    color: color-mix(in srgb, var(--pf-text) 88%, transparent);
}

.certs-carousel {
    --carousel-gap: clamp(24px, 4vw, 64px);
    --rows: 2;
}

/* Preenche coluna a coluna: cada página do carrossel fica com --rows itens por coluna */
.certs-grid {
    display: grid;
    grid-auto-flow: column;
    grid-template-rows: repeat(var(--rows), auto);
    grid-auto-columns: calc((100% - (var(--per-view) - 1) * var(--carousel-gap)) / var(--per-view));
    column-gap: var(--carousel-gap);
    row-gap: 0;
    align-content: start;
}

.cert-row {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    justify-content: space-between;
    align-items: baseline;
    padding: 14px 0;
    border-top: 1px solid var(--pf-border);
}

.cert-name {
    font-size: 15px;
    line-height: 24px;
    color: color-mix(in srgb, var(--pf-text) 84%, transparent);
    max-width: 44ch;
}

.cert-meta {
    font-size: 12.5px;
    line-height: 22px;
    color: var(--pf-muted);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* ---------- Contatos ---------- */

.contact-section {
    padding-bottom: calc(3 * var(--leading));
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: var(--leading) clamp(28px, 5vw, 80px);
    align-items: start;
}

.contact-grid .section-title {
    margin-bottom: 16px;
}

.contact-sub {
    font-size: 16px;
    line-height: 28px;
    color: color-mix(in srgb, var(--pf-text) 78%, transparent);
    margin-bottom: 28px;
    max-width: 48ch;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 520px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    letter-spacing: 0.02em;
    color: var(--pf-muted);
}

.contact-form input,
.contact-form textarea {
    padding: 0 12px;
    background: color-mix(in srgb, var(--pf-surface) 60%, transparent);
    border: 1px solid var(--pf-border);
    border-radius: 8px;
    color: var(--pf-text);
    font-size: 15px;
}

.contact-form input {
    height: 40px;
}

.contact-form textarea {
    padding: 10px 12px;
    line-height: 26px;
    resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: color-mix(in srgb, var(--pf-muted) 70%, transparent);
}

.field-error {
    font-size: 12px;
    color: #f0a6a0;
}

[data-theme="light"] .field-error {
    color: #b3423a;
}

.contact-form .btn {
    align-self: flex-start;
}

.form-success {
    max-width: 520px;
    padding: 20px 24px;
    border: 1px solid var(--pf-accent);
    border-radius: 8px;
    background: color-mix(in srgb, var(--pf-surface) 55%, transparent);
    font-size: 15px;
    line-height: 26px;
    color: color-mix(in srgb, var(--pf-text) 84%, transparent);
}

.contact-links {
    display: flex;
    flex-direction: column;
}

.contact-links a {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    justify-content: space-between;
    align-items: baseline;
    padding: 16px 0;
    border-top: 1px solid var(--pf-border);
    color: var(--pf-text);
}

.contact-links a:hover {
    color: var(--pf-accent-soft);
}

.contact-links .label {
    font-size: 13px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pf-muted);
}

.contact-links .value {
    font-size: 15px;
    line-height: 24px;
    /* e-mails e URLs longas nunca estouram a largura da coluna */
    overflow-wrap: anywhere;
}

/* ---------- Footer ---------- */

.site-footer {
    border-top: 1px solid var(--pf-border);
}

.footer-inner {
    padding-top: calc(1.5 * var(--leading));
    padding-bottom: calc(1.5 * var(--leading));
    display: flex;
    flex-wrap: wrap;
    gap: 16px 32px;
    justify-content: space-between;
    align-items: baseline;
}

.footer-note {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
}

.footer-note .by {
    color: color-mix(in srgb, var(--pf-text) 72%, transparent);
}

.footer-note .rights {
    color: color-mix(in srgb, var(--pf-text) 50%, transparent);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    font-size: 13px;
    color: var(--pf-muted);
}

.footer-links a:hover {
    color: var(--pf-accent-soft);
}

/* ---------- Command Palette ---------- */

.palette-overlay {
    position: fixed;
    inset: 0;
    z-index: 120;
    background: rgba(10, 11, 18, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    padding-top: 14vh;
}

.palette-overlay.open {
    display: flex;
}

.palette {
    width: 100%;
    max-width: 560px;
    height: fit-content;
    margin: 0 20px;
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: 8px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.palette-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--pf-border);
    color: var(--pf-muted);
}

.palette-input-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--pf-text);
    font-size: 15px;
}

.palette-input-wrapper kbd {
    font-family: inherit;
    font-size: 11px;
    letter-spacing: 0.06em;
    padding: 3px 7px;
    border: 1px solid var(--pf-border);
    border-radius: 4px;
    color: var(--pf-muted);
}

.palette-results {
    max-height: 320px;
    overflow-y: auto;
    padding: 6px;
}

.palette-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--pf-text);
    font-size: 14.5px;
}

.palette-item.selected,
.palette-item:hover {
    background: var(--pf-tint);
}

.palette-item small {
    font-size: 12px;
    color: var(--pf-muted);
}

/* ---------- Terminal (easter egg) ---------- */

.terminal-overlay {
    position: fixed;
    inset: 0;
    z-index: 130;
    background: rgba(8, 9, 14, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.terminal-overlay.open {
    display: flex;
}

.terminal {
    width: 100%;
    max-width: 680px;
    background: #0f1018;
    border: 1px solid var(--pf-border);
    border-radius: 8px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
    overflow: hidden;
}

.terminal-titlebar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: #171927;
    border-bottom: 1px solid var(--pf-border);
}

.term-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.term-dot-red { background: #f0a6a0; }
.term-dot-yellow { background: #e6c98a; }
.term-dot-green { background: #8fd6a0; }

.terminal-title {
    flex: 1;
    text-align: center;
    font-size: 12.5px;
    color: #9397ab;
    font-variant-numeric: tabular-nums;
}

.terminal-close {
    background: transparent;
    border: none;
    color: #9397ab;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
}

.terminal-body {
    padding: 14px 16px 16px;
    max-height: 420px;
    overflow-y: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13.5px;
    line-height: 24px;
    color: #d7d9e6;
}

.terminal-output {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 8px;
}

.term-line {
    white-space: pre-wrap;
    word-break: break-word;
    color: color-mix(in srgb, #d7d9e6 90%, transparent);
}

.term-cmd {
    color: #e9e9ed;
}

.term-error {
    color: #f0a6a0;
}

.term-accent {
    color: #8fd6a0;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-prompt {
    color: #8fd6a0;
    white-space: nowrap;
}

.terminal-input-line input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #e9e9ed;
    font-size: 13.5px;
    font-family: inherit;
}

/* ---------- Responsivo ---------- */

/* Header compacto: sem ⌘K e nav com tracking menor */
@media (max-width: 1160px) {
    .hbtn-k {
        display: none;
    }

    .site-nav a {
        letter-spacing: 0.06em;
    }
}

@media (max-width: 1240px) {
    .carousel {
        --per-view: 2;
    }
}

@media (max-width: 860px) {
    .hero-grid,
    .exp-row,
    .skill-row,
    .contact-grid {
        /* minmax(0, …) evita que conteúdo largo empurre a coluna */
        grid-template-columns: minmax(0, 1fr);
    }

    /* Em uma coluna o hero flui naturalmente (sem travar em 100vh) */
    .hero {
        min-height: 0;
    }

    .hero-copy {
        padding-bottom: 0;
    }

    .hero-photo {
        align-self: auto;
    }

    .hero-photo img {
        height: auto;
    }

    .hero-grid {
        gap: 32px;
    }

    .exp-row {
        gap: 14px;
    }
}

@media (max-width: 640px) {
    /* Sem a nav, a palette vira a navegação: o ⌘K volta a aparecer.
       Idioma e tema continuam visíveis, na segunda linha do header. */
    .site-nav {
        display: none;
    }

    .hbtn-k {
        display: inline-flex;
    }

    .header-inner {
        gap: 10px 12px;
    }

    .header-actions {
        flex: 1 1 100%;
        flex-wrap: wrap;
        gap: 8px;
    }

    /* O CTA fecha a linha à direita, os controles pequenos ficam à esquerda */
    .hbtn-cv {
        margin-left: auto;
    }

    .carousel {
        --per-view: 1;
    }

    /* Uma coluna só: mais linhas por página para não virar um carrossel infinito */
    .certs-carousel {
        --rows: 4;
    }

    .carousel-arrows {
        display: none;
    }

    /* Rótulo em cima, valor embaixo: nada é cortado em tela estreita */
    .contact-links a {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
        padding: 14px 0;
    }

    /* Abaixo de 16px o Safari do iOS dá zoom ao focar o campo,
       e o zoom é o que deixa a página "cortada" na horizontal. */
    .contact-form input,
    .contact-form textarea,
    .palette-input-wrapper input,
    .terminal-input-line input {
        font-size: 16px;
    }
}

/* Telas bem estreitas (iPhone SE e similares): a busca fica só com o ícone */
@media (max-width: 400px) {
    .hbtn-k {
        width: 32px;
        padding: 0;
    }

    .hbtn-k span {
        display: none;
    }

    .hbtn-cv {
        padding: 0 13px;
        letter-spacing: 0.08em;
    }
}