/* ============================================================
   VARIÁVEIS
   ============================================================ */
:root {
    --color-bg: #282c33;
    --color-primary: #c778dd;
    --color-text-white: #ffffff;
    --color-text-gray: #abb2bf;
    --font-main: "Fira Code", monospace;
    --container-max: 1024px;
}

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(199, 120, 221, 0.6); }
    70% { box-shadow: 0 0 0 10px rgba(199, 120, 221, 0); }
    100% { box-shadow: 0 0 0 0 rgba(199, 120, 221, 0); }
}

@keyframes gradientMove {
    to { background-position: 200% center; }
}

@keyframes shine {
    from { left: -75%; }
    to { left: 125%; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spinSlow {
    to { transform: rotate(360deg); }
}

/* ============================================================
   RESET / BASE
   ============================================================ */
* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 110px;
}

body {
    margin: 0;
    background-color: var(--color-bg);
    color: var(--color-text-gray);
    font-family: var(--font-main);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* textura sutil de pontos no fundo, atrás de tudo */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(171, 178, 191, 0.07) 1px, transparent 1px);
    background-size: 26px 26px;
    pointer-events: none;
    z-index: 0;
}

.main-content { position: relative; z-index: 1; }

/* barra de progresso de leitura */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), #00c3ff);
    z-index: 60;
    transition: width 0.1s ease-out;
}

/* botão flutuante de voltar ao topo */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-bg);
    border: 1px solid var(--color-primary);
    color: var(--color-text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 45;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s, background-color 0.2s;
}

.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background-color: var(--color-primary); }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* mantido para o toggle do menu mobile via JS (classList.toggle) */
.hidden { display: none !important; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-text-gray); }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ============================================================
   DECORAÇÃO (pontos)
   ============================================================ */
.dots-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.dots-grid-small {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.dot {
    width: 4px;
    height: 4px;
    background-color: var(--color-text-gray);
    border-radius: 50%;
}

.decor-dots,
.about__decor-dots {
    animation: floatY 6s ease-in-out infinite;
}

.decor-dots--br,
.about__decor-dots--br {
    animation-delay: 1.2s;
}

/* ============================================================
   ANIMAÇÃO DE REVEAL
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 150ms; }
.reveal-delay-3 { transition-delay: 200ms; }

/* ============================================================
   LAYOUT GERAL
   ============================================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 16px;
}

.main-content {
    flex-grow: 1;
    padding-top: 128px;
    padding-bottom: 48px;
}

/* Cabeçalho de seção (#tag + título + linha) */
.section-heading {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 48px;
}

.section-heading__title {
    font-size: 1.600rem;
    text-transform: uppercase;
    color: var(--color-text-white);
    font-weight: 500;
    margin: 0;
}

.section-heading__hash { color: var(--color-primary); }

.section-heading__line {
    height: 1px;
    background-color: var(--color-primary);
    flex: 1;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.8s ease 0.25s;
}

.reveal.active .section-heading__line { transform: scaleX(1); }

.section-heading__line--sm { max-width: 150px; }
.section-heading__line--md { max-width: 200px; }
.section-heading__line--lg { max-width: 300px; }

/* Botões reutilizáveis */
.btn {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-primary);
    padding: 8px 24px;
    color: var(--color-text-white);
    display: inline-block;
    font-weight: 500;
    transition: background-color 0.2s, transform 0.2s;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transform: skewX(-20deg);
}

.btn:hover { background-color: rgba(199, 120, 221, 0.1); transform: translateY(-2px); }
.btn:hover::before { animation: shine 0.8s; }

.btn--sm { padding: 8px 16px; font-size: 0.875rem; }

.btn--muted { border-color: var(--color-text-gray); }
.btn--muted:hover { border-color: var(--color-text-white); background-color: transparent; }

.icon-sm { width: 24px; height: 24px; }

/* ============================================================
   DOCK LATERAL (redes sociais fixas)
   ============================================================ */
.side-dock {
    display: none;
    position: fixed;
    top: 0;
    left: 32px;
    z-index: 40;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 1024px) {
    .side-dock { display: flex; }
}

.side-dock__line {
    width: 1px;
    height: 192px;
    background-color: var(--color-text-gray);
    margin-bottom: 16px;
}

.side-dock__link {
    margin-bottom: 16px;
    cursor: pointer;
    display: inline-block;
    transition: color 0.2s, transform 0.2s;
}

.side-dock__link:last-child { margin-bottom: 0; }
.side-dock__link:hover { color: var(--color-primary); transform: translateY(-3px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(40, 44, 51, 0.95);
    backdrop-filter: blur(4px);
    z-index: 50;
    padding: 32px 0 16px;
}

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

.logo {
    color: var(--color-text-white);
    font-weight: 700;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo svg { transition: transform 0.5s ease; }
.logo:hover svg { transform: rotate(180deg); }

.nav-desktop {
    display: none;
    align-items: center;
    gap: 32px;
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .nav-desktop { display: flex; }
}

.nav-link { position: relative; transition: color 0.2s; }
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}
.nav-link:hover { color: var(--color-text-white); }
.nav-link:hover::after { width: 100%; }
.nav-link.is-active { color: var(--color-text-white); }
.nav-link.is-active::after { width: 100%; }
.nav-link__hash { color: var(--color-primary); }

.nav-lang {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    color: var(--color-text-gray);
}

.nav-lang__current { color: var(--color-text-white); }

.mobile-btn {
    color: var(--color-text-gray);
    background: none;
    border: none;
    cursor: pointer;
}

@media (min-width: 768px) {
    .mobile-btn { display: none; }
}

.logo__icon{
    display: flex;
    width: 40px;
    height: 40px;
}

.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    border-bottom: 1px solid rgba(171, 178, 191, 0.2);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-size: 0.875rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

.mob-link { transition: color 0.2s; }
.mob-link:hover { color: var(--color-text-white); }

.mobile-menu:not(.hidden) { animation: slideDown 0.3s ease; }

/* ============================================================
   HERO (#inicio)
   ============================================================ */
.hero {
    padding: 48px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    position: relative;
}

@media (min-width: 768px) {
    .hero { flex-direction: row; padding: 96px 0; }
}

.hero__text { z-index: 10; }

@media (min-width: 768px) {
    .hero__text { width: 60%; }
}

.hero__title {
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--color-text-white);
    line-height: 1.25;
    margin: 0 0 24px;
}

@media (min-width: 768px) {
    .hero__title { font-size: 2.25rem; }
}

.hero__title span {
    background: linear-gradient(90deg, var(--color-primary), #8f9bff, var(--color-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientMove 4s linear infinite;
}

.hero__desc {
    color: var(--color-text-gray);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
    width: 100%;
    margin-top: 32px;
}

@media (min-width: 768px) {
    .hero__visual { width: 40%; margin-top: 0; }
}

.hero__frame {
    position: relative;
    width: 100%;
    max-width: 340px;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.hero__cross {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
}

.decor-dots {
    position: absolute;
    z-index: 0;
}

.decor-dots--tl { top: 25%; left: 25%; width: 80px; height: 80px; }
.decor-dots--br { bottom: 40px; right: 16px; width: 80px; height: 80px; opacity: 0.5; }

.hero__avatar {
    position: relative;
    z-index: 10;
    width: 90%;
    height: 90%;
    object-fit: cover;
    border-radius: 50%;
    border-bottom: 2px solid var(--color-primary);
    mix-blend-mode: lighten;
    transition: transform 0.5s ease, mix-blend-mode 0.3s;
}

.hero__frame:hover .hero__avatar {
    transform: scale(1.03);
    mix-blend-mode: normal;
}

.availability {
    position: absolute;
    bottom: 0;
    width: 90%;
    padding: 8px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-text-gray);
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 8px;
}

.availability__dot {
    width: 16px;
    height: 16px;
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    animation: pulseGlow 2s infinite;
}

.availability__text { font-size: 0.875rem; color: var(--color-text-gray); margin: 0; }
.availability__text strong { color: var(--color-text-white); font-weight: 500; }

/* ============================================================
   PROJETOS (#projetos)
   ============================================================ */
.projects { padding: 64px 0; }

.projects__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .projects__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .projects__grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card {
    border: 1px solid var(--color-text-gray);
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 28px rgba(0, 0, 0, 0.35);
    border-color: var(--color-primary);
}

.project-card__image { transition: transform 0.5s ease; }
.project-card:hover .project-card__image { transform: scale(1.05); }

.project-card__image {
    width: 100%;
    height: 192px;
    object-fit: cover;
    border-bottom: 1px solid var(--color-text-gray);
}

.project-card__tags {
    padding: 8px;
    border-bottom: 1px solid var(--color-text-gray);
    color: var(--color-text-gray);
    font-size: 0.875rem;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.project-card__body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.project-card__title { font-size: 1.5rem; font-weight: 500; color: var(--color-text-white); margin: 0; }
.project-card__desc { color: var(--color-text-gray); font-size: 0.875rem; flex: 1; margin: 0; }
.project-card__actions { display: flex; gap: 16px; margin-top: auto; }

/* ============================================================
   HABILIDADES (#habilidades)
   ============================================================ */
.skills { padding: 64px 0; }

.skills__layout {
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: flex-start;
}

@media (min-width: 1024px) {
    .skills__layout { flex-direction: row; }
}

.skills__decor {
    display: none;
    width: 33.333%;
    position: relative;
}

@media (min-width: 1024px) {
    .skills__decor { display: block; }
}

.skills__decor-square {
    position: absolute;
    top: 96px;
    left: 96px;
    width: 64px;
    height: 64px;
    border: 1px solid var(--color-text-gray);
}

.skills__decor-spacer { width: 100%; height: 256px; }

.skills__list {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-start;
    justify-content: flex-end;
}

@media (min-width: 1024px) {
    .skills__list { width: 66.666%; }
}

.skill-card {
    border: 1px solid var(--color-text-gray);
    flex-grow: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    border-color: var(--color-primary);
}

@media (min-width: 1024px) {
    .skill-card { flex-grow: 0; width: 30%; }
    .skill-card--wide { width: 45%; }
}

.skill-card__title { padding: 8px; border-bottom: 1px solid var(--color-text-gray); color: var(--color-text-white); font-weight: 600; }
.skill-card__body { padding: 8px; color: var(--color-text-gray); }

/* ============================================================
   SOBRE MIM (#sobre)
   ============================================================ */
.about { padding: 64px 0; }

.about__layout {
    display: flex;
    flex-direction: column;
    gap: 48px;
    align-items: flex-start;
}

@media (min-width: 768px) {
    .about__layout { flex-direction: row; }
}

@media (min-width: 768px) {
    .about__text { width: 60%; }
}

.about__heading {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.about__paragraph { color: var(--color-text-gray); line-height: 1.6; margin: 0 0 24px; }

.about__visual {
    position: relative;
    margin-top: 40px;
    width: 100%;
    display: flex;
    justify-content: center;
}

@media (min-width: 768px) {
    .about__visual { width: 40%; margin-top: 0; }
}

.about__frame {
    width: 256px;
    height: 256px;
    border-bottom: 1px solid var(--color-primary);
    border-right: 1px solid var(--color-primary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about__image {
    position: relative;
    z-index: 10;
    width: 80%;
    height: 80%;
    object-fit: cover;
    border-bottom: 2px solid var(--color-primary);
    mix-blend-mode: lighten;
    transition: transform 0.5s ease, mix-blend-mode 0.3s;
}

.about__frame:hover .about__image {
    transform: scale(1.06);
    mix-blend-mode: normal;
}

/* ============================================================
   CONTATO (#contato)
   ============================================================ */
.contact { padding: 64px 0; }

.contact__layout {
    display: flex;
    flex-direction: column;
    gap: 32px;
    justify-content: space-between;
    align-items: flex-start;
}

@media (min-width: 768px) {
    .contact__layout { flex-direction: row; }
}

.contact__text { color: var(--color-text-gray); line-height: 1.6; font-weight: 500; margin: 0; }

@media (min-width: 768px) {
    .contact__text { width: 60%; }
}

.contact__card {
    border: 1px solid var(--color-text-gray);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    background-color: var(--color-bg);
}

@media (min-width: 768px) {
    .contact__card { width: auto; min-width: 280px; }
}

.contact__card-title { font-weight: 600; color: var(--color-text-white); margin: 0; }

.contact__link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-gray);
    transition: color 0.2s, transform 0.2s;
}

.contact__link:hover { color: var(--color-text-white); transform: translateX(4px); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    position: relative;
    border-top: 1px solid rgba(171, 178, 191, 0.3);
    padding: 32px 0;
    margin-top: auto;
    z-index: 10;
    background-color: var(--color-bg);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    gap: 32px;
}

@media (min-width: 768px) {
    .footer__inner { flex-direction: row; align-items: center; }
}

.footer__brand { display: flex; flex-direction: column; gap: 8px; }

.footer__brand-row {
    display: flex;
    flex-direction: column;
    gap: 16px;
    color: var(--color-text-white);
    font-weight: 500;
}

@media (min-width: 640px) {
    .footer__brand-row { flex-direction: row; align-items: center; }
}

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

.footer__email { color: var(--color-text-gray); font-size: 0.875rem; font-weight: 400; }

@media (min-width: 640px) {
    .footer__email { border-left: 1px solid var(--color-text-gray); padding-left: 16px; }
}

.footer__role { color: var(--color-text-white); margin-top: 8px; }

.footer__media {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

@media (min-width: 768px) {
    .footer__media { align-items: flex-end; }
}

.footer__media-title { color: var(--color-text-white); font-weight: 500; font-size: 1.25rem; margin: 0; }
.footer__media-links { display: flex; gap: 16px; }
.footer__social-link { color: var(--color-text-gray); display: inline-block; transition: color 0.2s, transform 0.2s; }
.footer__social-link:hover { color: var(--color-text-white); transform: translateY(-3px); }
.footer__copyright { text-align: center; color: var(--color-text-gray); margin-top: 48px; margin-bottom: 16px; }