/* ==========================================
   GLOBAL
   Estilos compartilhados por todas as páginas:
   cores, fontes, cabeçalho, rodapé, botões,
   títulos de seção e tags.

   O que é específico de uma página fica no CSS
   com o mesmo nome dela (index.css, pirate.css...).
   ========================================== */

@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Space+Grotesk:wght@400;500;600;700&display=swap");

/* ==========================================
   CORES E FONTES
   ========================================== */

:root {
    /* Fundos, do mais escuro ao mais claro */
    --bg-deep: #080908;
    --bg: #101110;
    --surface-alt: #141613;
    --surface: #181a17;
    --surface-light: #20231d;

    /* Textos */
    --text: #f1f0e9;
    --text-soft: #d1d3ca;
    --muted: #a0a397;

    /* Destaque */
    --accent: #c6f36a;
    --accent-hover: #d6ff87;

    /*
     * Versões transparentes do destaque, calculadas a partir
     * de --accent. Mudando --accent, todas acompanham.
     */
    --accent-faint: color-mix(in srgb, var(--accent) 3%, transparent);   /* linhas de grade */
    --accent-glow: color-mix(in srgb, var(--accent) 8%, transparent);    /* brilhos e sombras suaves */
    --accent-muted: color-mix(in srgb, var(--accent) 35%, transparent);  /* bordas tracejadas e preenchimentos */
    --accent-strong: color-mix(in srgb, var(--accent) 55%, transparent); /* bordas no hover e brilho do ponto */

    /* Bordas */
    --border: rgba(241, 240, 233, 0.13);
    --border-soft: rgba(241, 240, 233, 0.07);

    /* Fontes */
    --mono: "DM Mono", monospace;
    --sans: "Space Grotesk", sans-serif;
}

/* ==========================================
   BASE
   ========================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 30px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.6;
    overflow-x: hidden;
}

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

img,
video {
    display: block;
    max-width: 100%;
}

img {
    width: 100%;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

::selection {
    background: var(--accent);
    color: var(--bg);
}

/* Barra de rolagem fina, escura e com o destaque do site */

html {
    scrollbar-color: var(--accent-muted) var(--bg);
}

* {
    scrollbar-width: thin;
}

/* Navegadores que ainda usam o padrão antigo (ex.: Safari) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    border: 2px solid var(--bg);
    border-radius: 8px;
    background: var(--accent-muted);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

.container {
    width: min(1160px, calc(100% - 64px));
    margin: 0 auto;
}

/* Texto pequeno em fonte monoespaçada */
.mono {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

/* ==========================================
   CABEÇALHO
   ========================================== */

.site-header {
    position: relative;
    z-index: 10;
    min-height: 86px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    background: rgba(16, 17, 16, 0.94);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.brand-mark {
    width: 37px;
    height: 37px;
    display: grid;
    place-items: center;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -1px;
}

.brand-name {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.3px;
    line-height: 1.25;
}

.brand-role {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav a {
    color: var(--muted);
    font-size: 12px;
    transition: color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
    color: var(--accent);
}

/* Botão de idioma (PT / EN), controlado por js/i18n.js */
.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 11px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 1px;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.lang-toggle:hover {
    border-color: var(--accent-strong);
}

.lang-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.lang-toggle [data-lang] {
    transition: color 0.2s ease;
}

.lang-toggle [data-lang].is-active {
    color: var(--accent);
}

.lang-toggle-divider {
    opacity: 0.4;
}

/* ==========================================
   ÍCONES
   ========================================== */

/* Desenhados em SVG porque caracteres como ↗ e ✳ viram emoji no celular.
   Herdam a cor do texto. */
.icon-arrow,
.icon-asterisk {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: -0.125em;
    background: currentColor;
    -webkit-mask: var(--icon) center / contain no-repeat;
    mask: var(--icon) center / contain no-repeat;
}

.icon-arrow {
    --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='1.7'%3E%3Cpath d='M3.5 12.5 12 4M5 4h7v7'/%3E%3C/svg%3E");
}

/* Mesma flecha, apontando para baixo */
.icon-arrow-down {
    transform: rotate(90deg);
}

/* Mesma flecha, apontando para trás (botões de voltar) */
.icon-arrow-back {
    transform: rotate(-135deg);
}

.icon-asterisk {
    --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='1.7'%3E%3Cpath d='M8 2v12M2 8h12M3.8 3.8l8.4 8.4M12.2 3.8l-8.4 8.4'/%3E%3C/svg%3E");
}

/* ==========================================
   BOTÕES E LINKS DE AÇÃO
   ========================================== */

/* Botão principal verde */
.button-primary {
    display: inline-flex;
    align-items: center;
    gap: 24px;
    padding: 14px 18px;
    background: var(--accent);
    color: var(--bg);
    font-size: 13px;
    font-weight: 700;
    transition: transform 0.2s, background 0.2s;
}

.button-primary:hover {
    transform: translateY(-3px);
    background: var(--accent-hover);
}

/* Link de texto discreto, ao lado de um botão */
.text-link {
    color: var(--muted);
    font-size: 13px;
    transition: color 0.2s;
}

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

/* Link de voltar no topo das páginas internas */
.back-link {
    display: inline-flex;
    margin: 30px 0 22px;
    color: var(--muted);
    font-size: 10px;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--accent);
}

/* Foco pelo teclado */
.nav a:focus-visible,
.button-primary:focus-visible,
.text-link:focus-visible,
.back-link:focus-visible,
.footer-top:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 5px;
}

/* ==========================================
   SEÇÕES
   ========================================== */

.section {
    padding: 100px 0;
}

/* Seção com fundo alternado */
.section-alt {
    background: var(--surface-alt);
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 38px;
}

.section-label {
    color: var(--accent);
    margin-bottom: 13px;
}

.section-heading h2,
.section-title {
    font-size: clamp(34px, 4vw, 48px);
    line-height: 1.1;
    letter-spacing: -2px;
}

.section-intro {
    max-width: 330px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.9;
}

/* ==========================================
   TAGS
   ========================================== */

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 23px;
}

.tag {
    padding: 7px 10px;
    border: 1px solid var(--border);
    color: var(--text-soft);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.2px;
}

/* ==========================================
   ENCERRAMENTO DAS PÁGINAS DE PROJETO
   "Fim do projeto / Vamos explorar outros projetos?"
   ========================================== */

.page-end {
    padding: 80px 0 105px;
    text-align: center;
}

.page-end > p {
    color: var(--accent);
}

.page-end h2 {
    margin: 18px 0 28px;
    font-size: clamp(36px, 6vw, 60px);
    line-height: 1.05;
    letter-spacing: -2.5px;
}

@media (max-width: 600px) {
    .page-end {
        padding-top: 60px;
    }
}

/* ==========================================
   SLIDESHOW
   Imagens trocando com fade e zoom lento.
   A troca é feita por js/slideshow.js.
   ========================================== */

/* Ocupa todo o bloco onde for colocado (que precisa ter position) */
.slideshow {
    position: absolute;
    inset: 0;
}

.slideshow-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1);
    transition:
        opacity 1.6s ease,
        transform 8s linear;
}

/* A imagem ativa aparece e se aproxima devagar */
.slideshow-slide.is-active {
    opacity: 1;
    transform: scale(1.08);
}

@media (prefers-reduced-motion: reduce) {
    .slideshow-slide {
        transition: none;
    }

    .slideshow-slide.is-active {
        transform: none;
    }
}

/* ==========================================
   RODAPÉ
   ========================================== */

.site-footer {
    border-top: 1px solid var(--border);
    padding: 30px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-name {
    margin-bottom: 5px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.footer-name span {
    color: var(--accent);
}

.footer-copy {
    color: var(--muted);
    font-size: 11px;
}

.footer-top {
    color: var(--accent);
    font-size: 12px;
    transition: opacity 0.2s;
}

.footer-top:hover {
    opacity: 0.75;
}

/* ==========================================
   RESPONSIVIDADE
   ========================================== */

@media (max-width: 900px) {
    .header-inner {
        gap: 22px;
    }

    .nav {
        gap: 18px;
    }
}

@media (max-width: 700px) {
    .container {
        width: calc(100% - 36px);
    }

    .site-header {
        padding: 17px 0;
    }

    .header-inner {
        flex-wrap: wrap;
        gap: 18px;
    }

    .nav {
        width: 100%;
        justify-content: flex-start;
        gap: 13px 22px;
        flex-wrap: wrap;
    }

    /* Botão de idioma sempre no alto, à direita, nos dois idiomas */
    .header-inner {
        position: relative;
    }

    .lang-toggle {
        position: absolute;
        top: 4px;
        right: 0;
    }

    .section {
        padding: 72px 0;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 15px;
        margin-bottom: 28px;
    }

    .section-heading h2,
    .section-title {
        font-size: 36px;
    }

    .section-intro {
        max-width: 430px;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 380px) {
    .nav {
        gap: 12px 15px;
    }
}

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

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}