/* =====================================================
   style.css — Wilson Klein Cecchi Portfolio
   =====================================================

   ÍNDICE
   ──────────────────────────────────────────────────
   01. Variáveis
   02. Reset & Base
   03. Cursor Customizado
   04. Overlay de Ruído
   05. Barra Gradiente
   06. Navegação
   07. Seções — Base
   08. Hero
   09. Sobre
   10. Skills
   11. Serviços
   12. Accordion de Serviços
   13. Projetos
   14. Educação
   15. Contato
   16. Footer
   17. Animações & Reveal
   18. Seletor de Idioma
   19. Responsivo
   20. Seleção de Texto
   ===================================================== */


/* ─────────────────────────────────────────────────────
   01. VARIÁVEIS
───────────────────────────────────────────────────── */
:root {
  --black:    #000000;
  --dark:     #0a0a0a;
  --white:    #ffffff;
  --grey:     #aaaaaa;
  --grey-dim: #888888;
  --gold:     #c8a84b;
  --cyan:     #4a9bb5;
  --border:   rgba(255,255,255,0.07);
}


/* ─────────────────────────────────────────────────────
   02. RESET & BASE
───────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--black);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.75;
  overflow-x: hidden;
  cursor: none;
}


/* ─────────────────────────────────────────────────────
   03. CURSOR CUSTOMIZADO
───────────────────────────────────────────────────── */
.cursor {
  width: 10px; height: 10px;
  background: var(--gold);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width .3s, height .3s, background .3s;
  mix-blend-mode: difference;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(200,168,75,.4);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: border-color .3s;
}
body:has(a:hover) .cursor,
body:has(button:hover) .cursor {
  width: 16px; height: 16px;
  background: var(--cyan);
}
@media (pointer: coarse) {
  .cursor, .cursor-ring { display: none !important; }
}


/* ─────────────────────────────────────────────────────
   04. OVERLAY DE RUÍDO
───────────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: .028;
  pointer-events: none;
  z-index: 9990;
}


/* ─────────────────────────────────────────────────────
   05. BARRA GRADIENTE
───────────────────────────────────────────────────── */
.gradient-bar {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--cyan) 30%, var(--gold) 70%, transparent 100%);
  opacity: .6;
}


/* ─────────────────────────────────────────────────────
   06. NAVEGAÇÃO
───────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px 60px;
  background: linear-gradient(to bottom, rgba(0,0,0,.9), transparent);
  transition: background .3s, backdrop-filter .3s;
}
nav.scrolled {
  backdrop-filter: blur(20px);
  background: rgba(0,0,0,.85);
}
.nav-logo {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--grey);
  text-decoration: none;
  text-transform: uppercase;
}
.nav-logo span { color: var(--gold); }
.nav-links {
  display: flex; gap: 40px;
}
.nav-links a {
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--grey);
  text-decoration: none;
  font-weight: 400;
  transition: color .3s;
}
.nav-links a:hover { color: var(--white); }


/* ─────────────────────────────────────────────────────
   07. SEÇÕES — BASE
───────────────────────────────────────────────────── */
section { padding: 120px 60px; }

.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: .3em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 7vw, 100px);
  line-height: .92;
  letter-spacing: .01em;
  margin-bottom: 60px;
}


/* ─────────────────────────────────────────────────────
   08. HERO
───────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 60px 80px;
  position: relative; overflow: hidden;
}
.hero-bg-text {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(120px, 22vw, 340px);
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,.04);
  white-space: nowrap;
  pointer-events: none; user-select: none;
  letter-spacing: .02em;
}
.hero-tag {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: .25em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp .8s ease .2s forwards;
}
.hero-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(72px, 12vw, 180px);
  line-height: .9;
  letter-spacing: .01em;
  opacity: 0;
  animation: fadeUp .9s ease .4s forwards;
}
.hero-name .accent { color: var(--gold); }
.hero-sub {
  margin-top: 28px;
  font-size: 13px;
  color: var(--grey);
  max-width: 480px;
  line-height: 1.8;
  opacity: 0;
  animation: fadeUp .9s ease .6s forwards;
}
.hero-cta-row {
  margin-top: 48px;
  display: flex; align-items: center; gap: 36px;
  opacity: 0;
  animation: fadeUp .9s ease .8s forwards;
}
.hero-scroll {
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--grey-dim);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
}
.hero-scroll::before {
  content: '';
  width: 40px; height: 1px;
  background: var(--grey-dim);
  display: block;
}
.hero-year {
  position: absolute; right: 60px; bottom: 80px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--grey-dim);
  writing-mode: vertical-rl;
  opacity: 0;
  animation: fadeUp 1s ease 1s forwards;
}

/* Botão primário (compartilhado: Hero + Projetos) */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: none;
  transition: background .3s, color .3s;
}
.btn-primary:hover { background: var(--gold); color: var(--black); }


/* ─────────────────────────────────────────────────────
   09. SOBRE
───────────────────────────────────────────────────── */
#about { background: var(--dark); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.about-photo-wrap { position: relative; }
.about-photo {
  width: 100%; aspect-ratio: 3/4;
  background: #111; overflow: hidden;
  position: relative;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo::after {
  content: ''; position: absolute; inset: 0;
  border: 1px solid var(--border);
}
.about-photo-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; color: var(--grey-dim);
}
.about-photo-placeholder svg { opacity: .2; }
.about-photo-placeholder span {
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: .2em;
  text-transform: uppercase; opacity: .4;
}
.about-photo-tag {
  position: absolute; bottom: -14px; right: -14px;
  padding: 10px 16px;
  background: var(--gold); color: var(--black);
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: .15em;
  text-transform: uppercase; font-weight: 700;
}
.about-text p {
  font-size: 14px; color: var(--grey);
  margin-bottom: 20px; line-height: 1.85;
}
.about-text p strong { color: var(--white); font-weight: 500; }
.about-stats {
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(3,1fr); gap: 24px;
}
.stat { border-top: 1px solid var(--border); padding-top: 20px; }
.stat-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 42px; line-height: 1; color: var(--gold);
}
.stat-label {
  font-size: 10px; letter-spacing: .12em;
  color: var(--grey-dim); text-transform: uppercase; margin-top: 4px;
}


/* ─────────────────────────────────────────────────────
   10. SKILLS
───────────────────────────────────────────────────── */
#skills { background: var(--black); }

.skills-grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 2px;
}
.skill-category {
  padding: 40px; background: var(--dark);
  border: 1px solid var(--border);
  position: relative; overflow: hidden;
  transition: border-color .3s;
}
.skill-category::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s ease;
}
.skill-category:hover::before { transform: scaleX(1); }
.skill-category:hover { border-color: rgba(255,255,255,.12); }
.skill-cat-label {
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: .25em;
  color: var(--cyan); text-transform: uppercase; margin-bottom: 20px;
}
.skill-cat-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px; letter-spacing: .04em; margin-bottom: 24px;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 5px 12px;
  border: 1px solid var(--border);
  font-size: 10px; letter-spacing: .1em;
  color: var(--grey); text-transform: uppercase;
  font-family: 'Space Mono', monospace;
  transition: border-color .3s, color .3s;
}
.skill-category:hover .skill-tag { border-color: rgba(200,168,75,.3); }


/* ─────────────────────────────────────────────────────
   11. SERVIÇOS
───────────────────────────────────────────────────── */
#services { background: var(--dark); }

.services-list { display: flex; flex-direction: column; gap: 2px; }
.service-item {
  display: grid;
  grid-template-columns: 80px 1fr 1fr auto;
  align-items: center; gap: 40px;
  padding: 36px 40px;
  background: var(--black); border: 1px solid var(--border);
  transition: background .3s, border-color .3s;
  cursor: none;
}
.service-item:hover {
  background: rgba(200,168,75,.04);
  border-color: rgba(200,168,75,.2);
}
.service-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px; color: rgba(255,255,255,.08); line-height: 1;
}
.service-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px; letter-spacing: .03em; transition: color .3s;
}
.service-item:hover .service-name { color: var(--gold); }
.service-desc { font-size: 12px; color: var(--grey-dim); line-height: 1.7; }
.service-arrow {
  font-size: 20px; color: var(--grey-dim);
  transition: color .3s, transform .3s;
}
.service-item:hover .service-arrow { color: var(--gold); transform: translateX(4px); }
.service-item.active .service-arrow { transform: rotate(90deg); color: var(--gold); }


/* ─────────────────────────────────────────────────────
   12. ACCORDION DE SERVIÇOS
───────────────────────────────────────────────────── */
.service-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  background: rgba(200,168,75,0.03);
  border: 1px solid var(--border);
  border-top: none;
}
.service-details.open {
  max-height: 300px;
  padding: 24px 40px;
}
.service-details ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 10px;
}
.service-details ul li {
  font-family: 'Space Mono', monospace;
  font-size: 11px; letter-spacing: 0.08em;
  color: var(--grey);
  padding-left: 16px; position: relative;
}
.service-details ul li::before {
  content: '─';
  position: absolute; left: 0;
  color: var(--gold);
}


/* ─────────────────────────────────────────────────────
   13. PROJETOS
───────────────────────────────────────────────────── */
#projects { background: var(--black); }

.project-card {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  overflow: hidden; transition: border-color .4s;
  margin-bottom: 40px;
}
.project-card:hover { border-color: rgba(200,168,75,.3); }
.project-card.reverse .project-visual { order: 2; }
.project-card.reverse .project-info   { order: 1; }
.project-visual {
  background: #0d0d0d;
  aspect-ratio: 16/10;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  aspect-ratio: unset;
  min-height: 100%;
}
.project-visual::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(74,155,181,.06), rgba(200,168,75,.06));
}
.terminal-wrap {
  font-family: 'Space Mono', monospace;
  font-size: 11px; letter-spacing: .1em;
  text-align: center; line-height: 2; padding: 20px;
}
.terminal-wrap span { display: block; opacity: 0; animation: termLine .4s ease forwards; }
.terminal-wrap span:nth-child(1) { animation-delay: .2s; }
.terminal-wrap span:nth-child(2) { animation-delay: .5s; }
.terminal-wrap span:nth-child(3) { animation-delay: .8s; }
.terminal-wrap span:nth-child(4) { animation-delay: 1.1s; }
.terminal-wrap span:nth-child(5) { animation-delay: 1.4s; }
.terminal-wrap span:nth-child(6) { animation-delay: 1.7s; }
.terminal-wrap span:nth-child(7) { animation-delay: 2.0s; }
.terminal-wrap span:nth-child(8) { animation-delay: 2.5s; }
.t-grey-dim { color: var(--grey-dim); }
.t-cyan     { color: var(--cyan); }
.t-gold     { color: var(--gold); }
.t-white    { color: var(--white); }
.project-info {
  padding: 52px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: var(--dark);
}
.project-label {
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: .25em;
  color: var(--gold); text-transform: uppercase; margin-bottom: 20px;
}
.project-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 58px; line-height: .92;
  letter-spacing: .02em; margin-bottom: 28px;
}
.project-desc {
  font-size: 13px; color: var(--grey);
  line-height: 1.85; margin-bottom: 32px;
}
.project-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.tech-chip {
  padding: 4px 10px;
  background: rgba(74,155,181,.1);
  border: 1px solid rgba(74,155,181,.25);
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: .1em;
  color: var(--cyan); text-transform: uppercase;
}

/* Botões do projeto */
.project-btns {
  display: flex; gap: 16px;
  align-items: center; flex-wrap: wrap;
}
a.btn-secondary {
  font-family: 'Space Mono', monospace;
  font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--white) !important;
  text-decoration: none !important;
  border: 1px solid var(--grey);
  padding: 14px 28px;
  transition: background .3s, color .3s, border-color .3s;
  display: inline-block;
  cursor: none;
}
a.btn-secondary:hover {
  background: var(--grey);
  color: var(--black) !important;
  border-color: var(--grey);
}


/* ─────────────────────────────────────────────────────
   14. EDUCAÇÃO
───────────────────────────────────────────────────── */
#education { background: var(--dark); }

.edu-card {
  display: grid; grid-template-columns: 160px 1fr;
  gap: 60px; align-items: start;
  padding: 52px 0; border-bottom: 1px solid var(--border);
}
.edu-year {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px; letter-spacing: .1em;
  color: var(--grey-dim); padding-top: 6px;
}
.edu-status {
  display: inline-block; margin-top: 10px;
  padding: 3px 8px;
  border: 1px solid rgba(200,168,75,.4);
  font-family: 'Space Mono', monospace;
  font-size: 8px; letter-spacing: .18em;
  color: var(--gold); text-transform: uppercase;
}
.edu-degree {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 38px; line-height: 1;
  letter-spacing: .02em; margin-bottom: 8px;
}
.edu-institution {
  font-size: 12px; color: var(--cyan);
  letter-spacing: .12em; text-transform: uppercase;
  font-family: 'Space Mono', monospace; margin-bottom: 16px;
}
.edu-desc {
  font-size: 13px; color: var(--grey);
  line-height: 1.8; max-width: 560px;
}


/* ─────────────────────────────────────────────────────
   15. CONTATO
───────────────────────────────────────────────────── */
#contact { background: var(--black); }

.contact-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 100px; align-items: start;
}
.contact-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(52px, 8vw, 110px);
  line-height: .88; letter-spacing: .01em; margin-bottom: 36px;
}
.contact-headline span { color: var(--gold); }
.contact-note {
  font-size: 13px; color: var(--grey);
  line-height: 1.85; max-width: 400px;
}
.contact-links {
  display: flex; flex-direction: column; gap: 4px; padding-top: 20px;
}
.contact-link-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0; border-bottom: 1px solid var(--border);
  text-decoration: none; transition: border-color .3s; cursor: none;
}
.contact-link-item:hover { border-color: rgba(200,168,75,.4); }
.contact-link-item:first-child { border-top: 1px solid var(--border); }
.contact-link-left { display: flex; align-items: center; gap: 20px; }
.contact-link-platform {
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: .2em;
  color: var(--grey-dim); text-transform: uppercase; width: 80px;
}
.contact-link-value { font-size: 14px; color: var(--white); transition: color .3s; }
.contact-link-item:hover .contact-link-value { color: var(--gold); }
.contact-link-arrow {
  font-size: 16px; color: var(--grey-dim);
  transition: color .3s, transform .3s;
}
.contact-link-item:hover .contact-link-arrow { color: var(--gold); transform: translate(3px,-3px); }
.contact-pending { font-size: 11px; color: var(--grey-dim); font-style: italic; }
.contact-link-item.is-pending { cursor: default; }

.contact-form { margin-top: 2rem; display: flex; flex-direction: column; gap: 12px; }
.form-group input,
.form-group textarea { width: 100%; background: transparent; border: 1px solid var(--border); padding: 14px 16px; color: var(--white); font-family: 'DM Sans', sans-serif; font-size: 13px; outline: none; transition: border-color .3s; box-sizing: border-box }
.form-group input:focus,
.form-group textarea:focus { border-color: rgba(200,168,75,.4) }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--grey-dim); font-size: 12px; letter-spacing: .05em; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-btn { align-self: flex-start; background: transparent; border: 1px solid var(--gold); color: var(--gold); padding: 14px 32px; font-family: 'Space Mono', monospace; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; cursor: none; transition: background .3s, color .3s; }
.form-btn:hover { background: var(--gold); color: var(--black); }


/* ─────────────────────────────────────────────────────
   16. FOOTER
───────────────────────────────────────────────────── */
footer {
  padding: 40px 60px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.footer-copy {
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: .15em;
  color: var(--grey-dim); text-transform: uppercase;
}
.footer-copy span { color: var(--gold); }
.footer-back {
  font-family: 'Space Mono', monospace;
  font-size: 9px; letter-spacing: .15em;
  color: var(--grey-dim); text-transform: uppercase;
  text-decoration: none;
  display: flex; align-items: center; gap: 8px;
  cursor: none; transition: color .3s;
}
.footer-back:hover { color: var(--gold); }


/* ─────────────────────────────────────────────────────
   17. ANIMAÇÕES & REVEAL
───────────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes termLine {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }


/* ─────────────────────────────────────────────────────
   18. SELETOR DE IDIOMA
───────────────────────────────────────────────────── */
.lang-switcher {
  display: flex; align-items: center; gap: 8px;
}
.lang-btn {
  font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: .15em;
  color: var(--grey-dim);
  text-decoration: none; text-transform: uppercase;
  transition: color .3s;
}
.lang-btn:hover { color: var(--white); }
.lang-btn.active { color: var(--gold); }
.lang-sep {
  font-size: 10px;
  color: var(--border);
  font-family: 'Space Mono', monospace;
}


/* ─────────────────────────────────────────────────────
   19. RESPONSIVO
───────────────────────────────────────────────────── */

/* Tablet / tela dividida (900px–1100px) */
@media (max-width: 1100px) {
  .project-card   { grid-template-columns: 1fr; }
  .project-visual { aspect-ratio: 16/6; }
  .terminal-wrap  { font-size: 9px; }
  .project-card.reverse .project-visual { order: unset; }
  .project-card.reverse .project-info   { order: unset; }
}

/* Mobile (até 900px) */
@media (max-width: 900px) {
  nav              { padding: 24px 28px; }
  section          { padding: 80px 28px; }
  #hero            { padding: 0 28px 64px; }
  .about-grid,
  .contact-inner   { grid-template-columns: 1fr; }
  .skills-grid     { grid-template-columns: 1fr; }
  .service-item    { grid-template-columns: 48px 1fr auto; gap: 20px; }
  .service-desc    { display: none; }
  .service-arrow   { display: block; }
  .edu-card        { grid-template-columns: 1fr; gap: 16px; }
  .hero-year,
  .nav-links       { display: none; }
  footer           { flex-direction: column; gap: 12px; text-align: center; }
  .project-visual  { aspect-ratio: 16/8; }
  .terminal-wrap   { font-size: 9px; }
  .contact-form    { margin-top: 1.5rem; }
  .form-btn        { width: 100%; text-align: center; }
}


/* ─────────────────────────────────────────────────────
   20. SELEÇÃO DE TEXTO
───────────────────────────────────────────────────── */
::selection {
  background: var(--gold);
  color: var(--black);
}


/* ─────────────────────────────────────────────────────
   21. HAMBURGUER MENU
───────────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 32px; height: 32px;
  background: transparent; border: none;
  cursor: none; padding: 4px;
  z-index: 101;
}
.nav-hamburger span {
  display: block;
  width: 100%; height: 1px;
  background: var(--white);
  transition: transform .3s, opacity .3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed; top: 72px; left: 0; right: 0;
  background: rgba(0,0,0,.95);
  backdrop-filter: blur(20px);
  flex-direction: column;
  padding: 24px 28px;
  gap: 4px;
  z-index: 99;
  border-bottom: 1px solid var(--border);
}
.nav-mobile.open { display: flex; }
.nav-mobile-link {
  font-family: 'Space Mono', monospace;
  font-size: 11px; letter-spacing: .18em;
  color: var(--grey); text-decoration: none;
  text-transform: uppercase;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: color .3s;
}
.nav-mobile-link:hover { color: var(--gold); }
.lang-switcher-mobile { margin-top: 16px; }

@media (max-width: 900px) {
  .nav-hamburger { display: flex; }
  .lang-switcher:not(.lang-switcher-mobile) { display: none; }
}