/* ==========================================================================
   pereiragabriel.com — style.css
   Paleta: Ink #0D0D0D · Warm White #F5F0E8 · Brass #C8A96E
   Tipografia: DM Serif Display + DM Sans
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ink:       #0D0D0D;
  --warm:      #F5F0E8;
  --brass:     #C8A96E;
  --carbon:    rgba(245, 240, 232, 0.65);
  --stone:     #888780;
  --parchment: #161614;
  --border:    rgba(245, 240, 232, 0.08);

  --serif:     'DM Serif Display', serif;
  --sans:      'DM Sans', sans-serif;

  --nav-h:     60px;
  --max-w:     1100px;
  --pad-x:     clamp(1.5rem, 5vw, 4rem);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--sans);
  background: var(--ink);
  color: var(--warm);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --------------------------------------------------------------------------
   2. LOGO PIXEL ANIMATION
   -------------------------------------------------------------------------- */
@keyframes seq-px1 {
  0%   { opacity: 1;    fill: #C8A96E; }
  36%  { opacity: 1;    fill: #C8A96E; }
  40%  { opacity: 0.12; fill: #888780; }
  100% { opacity: 0.12; fill: #888780; }
}
@keyframes seq-px2 {
  0%   { opacity: 0.12; fill: #888780; }
  56%  { opacity: 0.12; fill: #888780; }
  60%  { opacity: 1;    fill: #C8A96E; }
  100% { opacity: 1;    fill: #C8A96E; }
}
@keyframes seq-px3 {
  0%   { opacity: 0.12; fill: #888780; }
  36%  { opacity: 0.12; fill: #888780; }
  40%  { opacity: 1;    fill: #C8A96E; }
  76%  { opacity: 1;    fill: #C8A96E; }
  80%  { opacity: 0.12; fill: #888780; }
  100% { opacity: 0.12; fill: #888780; }
}
@keyframes seq-px4 {
  0%   { opacity: 0.12; fill: #888780; }
  16%  { opacity: 0.12; fill: #888780; }
  20%  { opacity: 1;    fill: #C8A96E; }
  56%  { opacity: 1;    fill: #C8A96E; }
  60%  { opacity: 0.12; fill: #888780; }
  100% { opacity: 0.12; fill: #888780; }
}
@keyframes seq-px5 {
  0%   { opacity: 0.12; fill: #888780; }
  76%  { opacity: 0.12; fill: #888780; }
  80%  { opacity: 1;    fill: #C8A96E; }
  96%  { opacity: 1;    fill: #C8A96E; }
  100% { opacity: 0.12; fill: #888780; }
}

.px1 { animation: seq-px1 10s ease-in-out infinite; }
.px2 { animation: seq-px2 10s ease-in-out infinite; }
.px3 { animation: seq-px3 10s ease-in-out infinite; }
.px4 { animation: seq-px4 10s ease-in-out infinite; }
.px5 { animation: seq-px5 10s ease-in-out infinite; }

/* --------------------------------------------------------------------------
   3. SCROLL REVEAL
   -------------------------------------------------------------------------- */
/* Reveal base — fade + sobe */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Variantes direccionais */
.reveal--left  { transform: translateX(-52px); }
.reveal--right { transform: translateX(52px); }
.reveal--scale { transform: scale(0.88) translateY(20px); }
.reveal--left.is-visible,
.reveal--right.is-visible,
.reveal--scale.is-visible { transform: none; }

/* Delays escalonados */
.reveal--delay-1 { transition-delay: 0.10s; }
.reveal--delay-2 { transition-delay: 0.22s; }
.reveal--delay-3 { transition-delay: 0.36s; }
.reveal--delay-4 { transition-delay: 0.52s; }
.reveal--delay-5 { transition-delay: 0.68s; }

/* --------------------------------------------------------------------------
   4. NAVIGATION
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-x);
  background: transparent;
  border-bottom: 0.5px solid transparent;
  transition: border-color 0.3s, background 0.3s, opacity 0.5s;
}

.nav.is-scrolled {
  background: rgba(13, 13, 13, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--border);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.nav__icon:hover { transform: scale(1.05); }

.nav__name {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav__links a {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
  transition: color 0.2s;
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0; right: 0;
  height: 1px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav__links a:hover { color: var(--warm); }
.nav__links a:hover::after { transform: scaleX(1); }

/* Language switcher */
.lang-switch {
  display: flex;
  border: 0.5px solid var(--border);
}
.lang-btn {
  background: transparent;
  border: none;
  border-right: 0.5px solid var(--border);
  color: var(--stone);
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 5px 9px;
  cursor: pointer;
  text-transform: uppercase;
  transition: color 0.2s, background 0.2s;
}
.lang-btn:last-child { border-right: none; }
.lang-btn:hover { color: var(--warm); }
.lang-btn.is-active {
  color: var(--brass);
  background: rgba(200, 169, 110, 0.08);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--warm);
  transition: transform 0.3s, opacity 0.3s;
}
.nav__toggle.is-open span:first-child {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__toggle.is-open span:last-child {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   5. MOBILE MENU
   -------------------------------------------------------------------------- */
.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: 190;
  background: rgba(13, 13, 13, 0.97);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__link {
  font-family: var(--serif);
  font-size: clamp(32px, 7vw, 48px);
  font-style: italic;
  color: var(--stone);
  transition: color 0.2s;
}
.mobile-menu__link:hover { color: var(--warm); }

/* --------------------------------------------------------------------------
   6. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }

.btn--primary {
  background: var(--warm);
  color: var(--ink);
  border-color: var(--warm);
}
.btn--primary:hover {
  background: #ddd8d0;
  border-color: #ddd8d0;
}

.btn--ghost {
  background: transparent;
  color: var(--warm);
  border-color: rgba(245, 240, 232, 0.25);
}
.btn--ghost:hover {
  border-color: var(--warm);
}

.btn--brass {
  background: var(--brass);
  color: var(--ink);
  border-color: var(--brass);
}
.btn--brass:hover {
  background: #b89558;
  border-color: #b89558;
}

/* WhatsApp hero link */
.hero__wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 1.25rem;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(245,240,232,0.45);
  text-decoration: none;
  transition: color 0.2s;
}
.hero__wa svg { color: #25D366; flex-shrink: 0; }
.hero__wa:hover { color: var(--warm); }

/* --------------------------------------------------------------------------
   7. SHARED ELEMENTS
   -------------------------------------------------------------------------- */
.section-tag {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.section-tag::after {
  content: '';
  flex: 1;
  height: 0.5px;
  background: var(--border);
}
.section-tag--light { color: #555552; }
.section-tag--light::after { background: rgba(245, 240, 232, 0.15); }

.section-title {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 3rem;
}
.section-title em {
  font-style: italic;
  color: var(--stone);
}

.section-header {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   8. HERO
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100svh;
  padding-top: var(--nav-h);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-bottom: 0.5px solid var(--border);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(13,13,13,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 6rem var(--pad-x);
  position: relative;
  z-index: 1;
}

.hero__tag {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0.5px solid var(--border);
  padding: 6px 14px;
}
.hero__tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--brass);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero__title {
  font-family: var(--serif);
  font-size: clamp(56px, 9vw, 104px);
  font-weight: 400;
  line-height: 1.0;
  margin-bottom: 2rem;
}
.hero__title em {
  font-style: italic;
}

.hero__sub {
  font-size: clamp(14px, 1.5vw, 16px);
  color: var(--carbon);
  line-height: 1.75;
  max-width: 440px;
  margin-bottom: 3rem;
}

.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}


/* Decorative pixel grid */
.hero__deco {
  position: absolute;
  right: var(--pad-x);
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  opacity: 0.7;
}
.hero__deco-svg {
  width: clamp(100px, 12vw, 180px);
  height: auto;
}

/* --------------------------------------------------------------------------
   8b. PIXEL DECORATIONS — clusters retroiluminados do DNA do logo
   -------------------------------------------------------------------------- */

/*
  Técnica: um único elemento cria toda a grelha de pixels via box-shadow.
  Cada sombra = um pixel. Pares: (pixel nítido) + (glow do pixel).
  Formato logo: 3 quadrados brancos em L + 5 satélites dourados.
*/
.px-deco {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  width: 14px;
  height: 14px;
  background: rgba(245, 240, 232, 0.75);
  box-shadow:
    /* glow do quadrado principal */
    0 0 10px 3px rgba(245, 240, 232, 0.18),
    /* quadrado branco direito */
    18px 0   0 0   rgba(245, 240, 232, 0.75),
    18px 0   10px 3px rgba(245, 240, 232, 0.18),
    /* quadrado branco baixo */
    0    18px 0 0   rgba(245, 240, 232, 0.55),
    0    18px 10px 3px rgba(245, 240, 232, 0.12),
    /* satélite dourado col 1 */
    36px 0   0 0   rgba(200, 169, 110, 0.7),
    36px 0   6px   rgba(200, 169, 110, 0.35),
    /* satélite dourado col 2 */
    36px 7px 0 0   rgba(200, 169, 110, 0.55),
    36px 7px 4px   rgba(200, 169, 110, 0.2),
    /* satélite dourado col 3 */
    36px 14px 0 0  rgba(200, 169, 110, 0.38),
    /* satélite dourado linha 1 */
    0    36px 0 0   rgba(200, 169, 110, 0.5),
    0    36px 4px   rgba(200, 169, 110, 0.2),
    /* satélite dourado linha 2 */
    7px  36px 0 0   rgba(200, 169, 110, 0.3);
  animation: px-deco-breathe 7s ease-in-out infinite;
}

@keyframes px-deco-breathe {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

.px-deco--sobre {
  top: 5rem;
  right: var(--pad-x);
  transform: scale(1.6);
  transform-origin: top right;
  animation-delay: -2s;
}

.px-deco--servicos {
  bottom: 6rem;
  left: var(--pad-x);
  transform: scale(1.2) rotate(180deg); /* logo espelhado no canto oposto */
  transform-origin: bottom left;
  animation-delay: -4s;
  opacity: 0.6;
}

.px-deco--processo {
  top: 5rem;
  right: var(--pad-x);
  transform: scale(1.4);
  transform-origin: top right;
  animation-delay: -1s;
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   9. SOBRE
   -------------------------------------------------------------------------- */
.sobre {
  padding: 6rem var(--pad-x);
  border-bottom: 0.5px solid var(--border);
  position: relative;
}

/* SOBRE — novo layout com foto */
.sobre__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 6rem;
  align-items: start;
}

.sobre__photo {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}

.sobre__img-wrap {
  position: relative;
  overflow: visible;
  background: transparent;
}

.sobre__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.sobre__img-wrap:hover .sobre__img {
  transform: scale(1.03);
}

.sobre__img-tag {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--warm);
  background: var(--ink);
  padding: 6px 12px;
}

.sobre__content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding-top: 1rem;
}

.sobre__text .section-tag {
  margin-bottom: 2rem;
}

.sobre__body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-size: 15px;
  color: var(--carbon);
  line-height: 1.85;
  max-width: 480px;
  margin-bottom: 2.5rem;
}

.sobre__quote {
  border-left: 2px solid var(--brass);
  padding: 1rem 1.5rem;
  background: var(--parchment);
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 22px);
  font-style: italic;
  line-height: 1.5;
  color: var(--brass);
}

/* Skill tags — filtros dos case studies */
.sobre__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}

.skill-tag {
  background: var(--warm);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: none;
  cursor: pointer;
  text-align: left;
  position: relative;
  transition: background 0.25s, transform 0.15s;
}
.skill-tag::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.skill-tag:hover {
  background: #ece7df;
}
.skill-tag:hover::after,
.skill-tag.is-active::after {
  transform: scaleX(1);
}
.skill-tag.is-active {
  background: var(--brass);
}
.skill-tag:active { transform: scale(0.98); }

.skill-tag__label {
  font-family: var(--serif);
  font-size: 26px;
  font-style: italic;
  color: var(--ink);
  line-height: 1;
  transition: color 0.2s;
}
.skill-tag.is-active .skill-tag__label {
  color: var(--ink);
}

.skill-tag__sub {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
  transition: color 0.2s;
}
.skill-tag.is-active .skill-tag__sub {
  color: rgba(13, 13, 13, 0.55);
}

/* --------------------------------------------------------------------------
   10. SERVIÇOS
   -------------------------------------------------------------------------- */
.servicos {
  padding: 6rem var(--pad-x);
  border-bottom: 0.5px solid var(--border);
  background: var(--parchment);
  position: relative;
}

.servicos__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.servicos__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
}

.servico {
  background: var(--parchment);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  transition: background 0.25s;
}
.servico:hover {
  background: #1e1e1c;
}
.servico:hover .servico__line {
  transform: scaleX(1);
}

.servico__num {
  font-family: var(--serif);
  font-size: 36px;
  font-style: italic;
  color: rgba(200, 169, 110, 0.22);
  line-height: 1;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}
.servico:hover .servico__num {
  color: var(--brass);
}

.servico__desc {
  font-size: 14px;
  color: var(--carbon);
  line-height: 1.75;
  padding-top: 0.75rem;
  min-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.25s ease 0.05s;
}

/* Contentor de animação — grid trick para height suave */
.servico__expand {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Desktop: hover abre */
@media (hover: hover) {
  .servico:hover .servico__expand {
    grid-template-rows: 1fr;
  }
  .servico:hover .servico__desc {
    opacity: 1;
  }
}

/* Mobile/JS: click abre */
.servico.is-open .servico__expand {
  grid-template-rows: 1fr;
}
.servico.is-open .servico__desc {
  opacity: 1;
}

/* Indicador visual +/− no título */
.servico__name {
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--warm);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}
.servico__name::after {
  content: '+';
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 300;
  color: rgba(200, 169, 110, 0.4);
  flex-shrink: 0;
  transition: color 0.2s, transform 0.3s;
}
@media (hover: hover) {
  .servico:hover .servico__name::after {
    content: '−';
    color: var(--brass);
  }
}
.servico.is-open .servico__name::after {
  content: '−';
  color: var(--brass);
}

.servico__line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

/* --------------------------------------------------------------------------
   11. PROCESSO
   -------------------------------------------------------------------------- */
.processo {
  padding: 6rem var(--pad-x);
  border-bottom: 0.5px solid var(--border);
  position: relative;
}

.processo__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
}

.processo__steps {
  display: flex;
  flex-direction: column;
}

.passo {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 0.5px solid var(--border);
  align-items: start;
}
.passo:last-child {
  border-bottom: none;
}

.passo__num {
  font-family: var(--serif);
  font-size: 40px;
  color: var(--brass);
  line-height: 1;
  font-style: italic;
  user-select: none;
  transition: color 0.3s;
  opacity: 0.5;
}
.passo:hover .passo__num {
  color: var(--brass);
  opacity: 1;
}

.passo__title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--warm);
}

.passo__desc {
  font-size: 14px;
  color: var(--carbon);
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   12. CONTACTO
   -------------------------------------------------------------------------- */
.contacto {
  background: var(--ink);
  color: var(--warm);
  padding: 7rem var(--pad-x);
  position: relative;
  overflow: hidden;
}

.contacto__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 5rem;
  align-items: center;
}

.contacto__game-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.contacto__snake {
  border: 0.5px solid rgba(245, 240, 232, 0.1);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: block;
}

.contacto__snake-hint {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--stone);
  text-align: center;
}

.contacto__title {
  font-family: var(--serif);
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 400;
  line-height: 1.0;
  margin-bottom: 1.5rem;
  color: var(--warm);
}
.contacto__title em {
  font-style: italic;
  color: var(--stone);
}

.contacto__sub {
  font-size: 15px;
  color: #888780;
  line-height: 1.75;
  max-width: 420px;
  margin-bottom: 3rem;
}

/* --------------------------------------------------------------------------
   10b. CASOS DE ESTUDO — slideshow + expand
   -------------------------------------------------------------------------- */
.casestudies {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 0.5px solid var(--border);
}

.casestudies__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.casestudies__header .section-tag { margin-bottom: 0; }
.casestudies__header .section-tag::after { display: none; }

.casestudies__controls {
  display: flex;
  gap: 4px;
}
.casestudies__btn {
  background: transparent;
  border: 0.5px solid var(--border);
  color: var(--stone);
  width: 34px; height: 34px;
  cursor: pointer;
  font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  transition: color 0.2s, border-color 0.2s;
}
.casestudies__btn:hover { color: var(--warm); border-color: rgba(245,240,232,0.3); }

/* Track / viewport */
.casestudies__viewport {
  overflow-x: scroll;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.casestudies__viewport::-webkit-scrollbar { display: none; }

.casestudies__track {
  display: flex;
  gap: 1px;
  background: var(--border);
}

/* Cards */
.casestudy {
  flex: 0 0 calc((100% - 2px) / 3);
  min-width: 200px;
  scroll-snap-align: start;
  background: var(--parchment);
  padding: 2rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 180px;
  transition: background 0.25s;
  position: relative;
}
.casestudy:not(.casestudy--empty):hover { background: #1e1e1c; }
.casestudy.is-selected { background: var(--ink); }

.casestudy--empty {
  cursor: default;
  align-items: center;
  justify-content: center;
}

.casestudy__num {
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  color: rgba(200, 169, 110, 0.22);
  line-height: 1;
  transition: color 0.25s;
}
.casestudy.is-selected .casestudy__num { color: var(--brass); }

.casestudy__name {
  font-family: var(--serif);
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 400;
  color: var(--warm);
  line-height: 1.25;
  flex: 1;
}

.casestudy__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: auto;
}
.casestudy__tag {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  border: 0.5px solid var(--border);
  padding: 3px 7px;
  transition: color 0.2s, border-color 0.2s;
}
.casestudy.is-selected .casestudy__tag { color: var(--brass); border-color: rgba(200,169,110,0.3); }

.casestudy__label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(200, 169, 110, 0.3);
}

.casestudy__title {
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  color: var(--warm);
  line-height: 1.2;
  flex: 1;
  transition: color 0.25s;
}
.casestudy.is-selected .casestudy__title { color: var(--brass); }

.casestudy__teaser {
  font-size: 12px;
  line-height: 1.6;
  color: var(--stone);
  margin-top: auto;
}

/* Detail expand */
.casestudies__detail-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.52s cubic-bezier(0.22, 1, 0.36, 1);
}
.casestudies__detail-wrap.is-open { grid-template-rows: 1fr; }

.casestudy__detail {
  overflow: hidden;
  min-height: 0;
}

.casestudy__detail-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 240px;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-top: 0.5px solid var(--border);
  position: relative;
}

.casestudy__close {
  position: absolute;
  top: 1.5rem; right: 0;
  background: transparent;
  border: 0.5px solid var(--border);
  color: var(--stone);
  width: 30px; height: 30px;
  cursor: pointer;
  font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  transition: color 0.2s;
}
.casestudy__close:hover { color: var(--warm); }

.casestudy__q-title {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.75rem;
}
.casestudy__q-body {
  font-size: 13px;
  color: var(--carbon);
  line-height: 1.75;
}

.casestudy__preview-link {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.casestudy__preview-img-wrap {
  background: var(--parchment);
  border: 0.5px solid var(--border);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.casestudy__preview-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.casestudy__preview-link:hover .casestudy__preview-img { transform: scale(1.04); }
.casestudy__preview-cta {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

/* --------------------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background: var(--ink);
  border-top: 0.5px solid rgba(255,255,255,0.06);
  padding: 2.5rem var(--pad-x);
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer__brand > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer__name {
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
  color: var(--warm);
}

.footer__role {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 6px;
}
.footer__contact-link {
  font-size: 11px;
  color: var(--stone);
  text-decoration: none;
  transition: color 0.2s;
}
.footer__contact-link:hover { color: var(--brass); }
.footer__contact-link--wa::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #25D366;
  margin-right: 6px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

.footer__nav {
  display: flex;
  gap: 2rem;
}

.footer__nav a {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  transition: color 0.2s;
}
.footer__nav a:hover { color: var(--warm); }

.footer__copy {
  font-size: 11px;
  color: #444441;
  letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   14. POEIRA DIGITAL + ACENTOS BRASS
   -------------------------------------------------------------------------- */
.dust-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Ponto final dourado com cintilação */
.u-dot {
  color: var(--brass);
  display: inline-block;
  animation: dot-glint 4s ease-in-out infinite;
  animation-delay: var(--glint-delay, 0s);
}

@keyframes dot-glint {
  0%   { opacity: 1;    text-shadow: 0 0 5px rgba(200,169,110,0.7); }
  35%  { opacity: 1;    text-shadow: 0 0 14px rgba(200,169,110,1), 0 0 3px rgba(200,169,110,0.9); }
  65%  { opacity: 0.45; text-shadow: none; }
  100% { opacity: 1;    text-shadow: 0 0 5px rgba(200,169,110,0.7); }
}

/* Sublinhado a lápis dourado */
.u-brass {
  position: relative;
  display: inline;
}
.u-brass::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--brass) 60%, rgba(200,169,110,0.2) 100%);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
}
.hero__title.is-visible .u-brass::after,
.section-header.is-visible .u-brass::after {
  animation: draw-underline 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.7s forwards;
}
@keyframes draw-underline {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* --------------------------------------------------------------------------
   15. CUSTOM CURSOR
   -------------------------------------------------------------------------- */
.cursor {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(200, 169, 110, 0.6);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, border-color 0.3s, background 0.3s;
  will-change: transform;
}
.cursor-dot {
  width: 5px;
  height: 5px;
  background: var(--brass);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.cursor.is-hovering {
  width: 56px;
  height: 56px;
  border-color: var(--brass);
  background: rgba(200, 169, 110, 0.07);
}
@media (hover: none) {
  .cursor, .cursor-dot { display: none; }
}

/* --------------------------------------------------------------------------
   15. SCROLL PROGRESS
   -------------------------------------------------------------------------- */
.scroll-progress {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 1.5px;
  background: var(--brass);
  width: 0%;
  transition: width 0.1s linear;
  z-index: 201;
}

/* --------------------------------------------------------------------------
   16. MARQUEE
   -------------------------------------------------------------------------- */
.marquee {
  overflow: hidden;
  background: var(--ink);
  padding: 14px 0;
  border-bottom: 0.5px solid rgba(255,255,255,0.06);
}
.marquee__track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: marquee-scroll 28s linear infinite;
}
.marquee__track span {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  white-space: nowrap;
  flex-shrink: 0;
}
.marquee__sep {
  color: var(--brass) !important;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   17. MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .sobre__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .sobre__photo {
    position: static;
    max-width: 320px;
  }

  .sobre__stats {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 0;
  }

  .processo__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contacto__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contacto__game-wrap {
    display: none;
  }

  .casestudies__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .casestudy { flex: 0 0 calc((100% - 1px) / 2); }
  .casestudy__detail-inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .casestudy__preview-link { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .lang-switch { display: none; }

  .nav__toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .servicos__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .footer__nav {
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
  }

}

@media (max-width: 480px) {
  .casestudy { flex: 0 0 85%; }
  .casestudy__detail-inner { grid-template-columns: 1fr; }
  .hero__cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .sobre__stats {
    grid-template-columns: 1fr 1fr;
  }

  .passo {
    grid-template-columns: 40px 1fr;
  }
}

/* --------------------------------------------------------------------------
   15. PRINT
   -------------------------------------------------------------------------- */
@media print {
  .nav, .hero__scroll, .hero__deco, .contacto__deco { display: none; }
  .px1, .px2, .px3, .px4, .px5 { animation: none; opacity: 1; fill: #C8A96E; }
  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale { opacity: 1; transform: none; transition: none; }
}