/* =====================================================================
   NEXO DESIGN COMERCIAL — style.css
   Visual language (nav, buttons, hero) from the Auralis build, re-colored
   to a monochrome cream/ink system. Section order, copy, colors and
   typography come from the client reference.
   ===================================================================== */

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

:root {
  /* ---- Core palette (monochrome) ---- */
  --black: #080808;
  --ink: #111111;
  --off: #f4f1ec;     /* warm cream — page background */
  --soft: #e7e2da;    /* card surface on cream */
  --stone: #eeeae3;   /* alt light surface */
  --muted: #817d75;   /* warm grey text */
  --line: rgba(8, 8, 8, 0.12);
  --line-soft: rgba(8, 8, 8, 0.07);
  --white: #ffffff;

  /* ---- Dark surfaces ---- */
  --on-dark: rgba(255, 255, 255, 0.72);
  --on-dark-soft: rgba(255, 255, 255, 0.5);
  --on-dark-faint: rgba(255, 255, 255, 0.1);

  /* ---- Layout / motion tokens ---- */
  --header: 76px;
  --radius-card: 26px;
  --radius-pill: 100px;
  --maxw: 1280px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pad-x: clamp(22px, 5vw, 82px);
}

html {
  scroll-behavior: auto;
  scroll-padding-top: calc(var(--header) + 12px); /* âncoras nunca somem sob o header */
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--off);
  color: var(--black);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

/* Dust canvas — entre camadas: ACIMA dos fundos das seções (cream, stone,
   preto) e ABAIXO de todo o conteúdo (.section .wrap etc. ficam em z-index:2).
   A cor dos grãos adapta por seção (clara no escuro, tinta no claro). */
#dust-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--black); color: var(--off); }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; } /* teclado navega com elegância */
a, button, summary { -webkit-tap-highlight-color: transparent; } /* sem flash cinza no toque */
iconify-icon { display: inline-block; vertical-align: -0.125em; }

/* Lenis smooth scroll */
html.lenis, html.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
.lenis.lenis-smooth iframe { pointer-events: none; }

/* =====================================================================
   Custom scrollbar — monochrome ink-on-cream, thin rounded pill thumb.
   Firefox uses the standard props; Chromium/Edge/Safari use ::-webkit-*.
   ===================================================================== */
html {
  scrollbar-width: thin;                               /* Firefox */
  scrollbar-color: rgba(255, 255, 255, 0.7) var(--black);  /* thumb · track */
}
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}
::-webkit-scrollbar-track {
  background: var(--black);              /* dark track */
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.65);
  border-radius: 100px;
  border: 3px solid var(--black);        /* dark inset → floating white pill */
  background-clip: padding-box;
  transition: background 0.2s var(--ease);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.85);
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:active {
  background: var(--white);
  background-clip: padding-box;
}
::-webkit-scrollbar-corner { background: var(--black); }

/* =====================================================================
   PRELOADER — logo centralizada + anel girando com um vão (~3s no load)
   ===================================================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--black);
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease);
}
.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
body.is-preloading { overflow: hidden; }
.preloader-stage {
  position: relative;
  display: grid;
  place-items: center;
  width: clamp(150px, 36vw, 210px);
  aspect-ratio: 1 / 1;
}
.preloader-logo {
  grid-area: 1 / 1;
  width: 52%;
  height: auto;
}
.preloader-ring {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  transform-origin: 50% 50%;
  animation: preloaderSpin 1.1s linear infinite;
}
.preloader-ring .ring-track {
  fill: none;
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 2;
}
.preloader-ring .ring-arc {
  fill: none;
  stroke: #ffffff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 248 92;   /* arco visível + vão (circunferência ~339) */
}
@keyframes preloaderSpin { to { transform: rotate(360deg); } }

/* =====================================================================
   HEADER  (Auralis-style: transparent over hero, centered glass pill nav)
   ===================================================================== */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header);
  padding: 0 clamp(18px, 4vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  z-index: 100;
  color: var(--white);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: height 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease);
}

.site-header.is-scrolled {
  height: 64px;
  background: rgba(8, 8, 8, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--on-dark-faint);
}

.logo {
  display: flex;
  align-items: center;
  width: max-content;
}

.logo img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-pill {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 22px);
  padding: 9px clamp(14px, 1.6vw, 22px);
  background: rgba(8, 8, 8, 0.7);
  border: 1px solid var(--on-dark-faint);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 12px;
  letter-spacing: -0.01em;
}

.nav-pill a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--on-dark);
  white-space: nowrap;
  transition: color 0.25s var(--ease);
}

.nav-pill a:hover,
.nav-pill a.active {
  color: var(--white);
}

.nav-pill a.active::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--white);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--white);
  color: var(--black);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.header-cta iconify-icon { font-size: 15px; transition: transform 0.25s var(--ease); }
.header-cta:hover { background: var(--soft); transform: translateY(-2px); }
.header-cta:hover iconify-icon { transform: translate(2px, -2px); }

/* hamburger toggle — shown only on mobile/tablet (<=1024px) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  background: rgba(8, 8, 8, 0.5);
  border: 1px solid var(--on-dark-faint);
  border-radius: 12px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* full-screen mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(24px, 5vh, 44px);
  padding: calc(var(--header) + 36px) clamp(28px, 8vw, 64px) 48px;
  background: rgba(8, 8, 8, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0.4s;
  overflow-y: auto;
}

.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; }

.mobile-menu nav { display: flex; flex-direction: column; gap: clamp(12px, 2.2vh, 22px); }

.mobile-menu nav a {
  width: max-content;
  font-size: clamp(30px, 9vw, 50px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.2s var(--ease), transform 0.25s var(--ease);
}

.mobile-menu nav a:hover,
.mobile-menu nav a:focus-visible { color: var(--white); transform: translateX(6px); }

.mobile-menu-cta { align-self: flex-start; margin-top: clamp(8px, 2vh, 20px); }

body.menu-open { overflow: hidden; }

/* =====================================================================
   BUTTONS  (Auralis language, monochrome)
   ===================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.btn iconify-icon { font-size: 16px; transition: transform 0.3s var(--ease); }

/* solid white pill (primary) */
.btn-light { background: var(--white); color: var(--black); }
.btn-light:hover { transform: translateY(-3px); background: var(--soft); }
.btn-light:hover iconify-icon { transform: translate(2px, -2px); }

/* glass pill with circular badge (used on the dark hero) */
.btn-glass {
  padding: 0 8px 0 24px;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-glass:hover { transform: translateY(-3px); background: rgba(255, 255, 255, 0.18); border-color: rgba(255, 255, 255, 0.4); }

.btn-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--white);
  color: var(--black);
}

.btn-badge iconify-icon { font-size: 16px; transition: transform 0.3s var(--ease); }
.btn-glass:hover .btn-badge iconify-icon { transform: translateX(2px); }

/* solid dark pill (for light sections, if needed) */
.btn-dark { background: var(--black); color: var(--off); }
.btn-dark:hover { transform: translateY(-3px); box-shadow: 0 18px 42px rgba(8, 8, 8, 0.25); }
.btn-dark:hover iconify-icon { transform: translate(2px, -2px); }

/* =====================================================================
   HERO  (Auralis composition: WebGL trails + watermark words +
   corner meta + giant 3-line reveal title + floating button + figure)
   ===================================================================== */

.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  padding: calc(var(--header) + 26px) clamp(20px, 4vw, 56px) clamp(40px, 6vw, 76px);
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 72% 12%, #18181a 0%, transparent 44%),
    radial-gradient(circle at 12% 88%, #141414 0%, transparent 46%),
    linear-gradient(160deg, #0c0c0d 0%, #060606 56%, #121212 100%);
  color: var(--white);
  overflow: hidden;
}

/* inner column: meta on top, title centered in the remaining space */
.hero-inner {
  position: relative;
  z-index: 2;
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* WebGL light-trail canvas — confined to the hero, glows over the dark base */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.95;
  mix-blend-mode: screen;
  pointer-events: none;
}

/* faint diagonal texture */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.04;
  background-image: repeating-linear-gradient(-45deg, #fff, #fff 1px, transparent 1px, transparent 13px);
  pointer-events: none;
}

/* giant faint watermark words behind everything */
.hero-words {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
  pointer-events: none;
  user-select: none;
  mix-blend-mode: overlay;
}

.hero-words span {
  font-size: clamp(96px, 25vw, 380px);
  line-height: 0.78;
  font-weight: 800;
  letter-spacing: -0.07em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.05);
}

/* meta row — in flow, at the top of the hero */
.hero-corner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}

.hero-corner p { max-width: 230px; line-height: 1.7; }
.hero-corner .hero-tags { text-align: right; display: flex; flex-direction: column; gap: 5px; }

/* title + CTA, centered in the space between meta and figure */
.hero-center {
  margin: auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(28px, 4vw, 46px);
  text-align: center;
}

.hero-title {
  font-size: clamp(54px, 13vw, 168px);
  line-height: 0.84;
  letter-spacing: -0.05em;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-title .line { display: block; overflow: hidden; }
.hero-title .line > span { display: block; will-change: transform; padding-bottom: 0.04em; }

.hero-cta { white-space: nowrap; }

/* indicador de scroll — affordance discreta no pé do hero */
.hero-scroll {
  align-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}

.hero-scroll-track {
  position: relative;
  width: 1px;
  height: 34px;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.hero-scroll-dot {
  position: absolute;
  left: -0.5px;
  top: 0;
  width: 2px;
  height: 9px;
  background: var(--white);
  animation: heroScrollCue 2.4s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes heroScrollCue {
  0% { transform: translateY(-10px); opacity: 0; }
  18% { opacity: 1; }
  72% { opacity: 1; }
  100% { transform: translateY(36px); opacity: 0; }
}

/* =====================================================================
   SECTION SCAFFOLD
   ===================================================================== */

.section { padding: clamp(96px, 10vw, 140px) var(--pad-x); }
.wrap { max-width: var(--maxw); margin: 0 auto; }

/* conteúdo das seções acima da poeira (#dust-canvas em z-index:1) */
.section .wrap { position: relative; z-index: 2; }

.section-label {
  display: inline-block;
  margin-bottom: 22px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.dark-label { color: var(--on-dark-soft); }
.section-heading { max-width: 820px; margin-bottom: clamp(42px, 5.2vw, 72px); }

h2 {
  font-size: clamp(32px, 4.4vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  font-weight: 800;
}

h3 { letter-spacing: -0.04em; font-weight: 700; }

/* =====================================================================
   INTRO ("A Nexo")
   ===================================================================== */

.intro {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--line);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: clamp(40px, 8vw, 118px);
  align-items: start;
}

.intro h2 { max-width: 820px; }
.text-block { padding-top: 8px; }

.text-block p {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.75;
}

.text-block p:last-child { margin-bottom: 0; }

/* =====================================================================
   PROJECTS
   ===================================================================== */

.project-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 22px;
}

.project-card {
  position: relative;
  display: block; /* cards são links (LP) ou botões (portfólio) */
  min-height: 450px;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--soft);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.project-card:first-child { min-height: 500px; }
.project-card:hover { transform: translateY(-6px); box-shadow: 0 28px 64px rgba(8, 8, 8, 0.14); }

.project-card .media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: transform 0.6s var(--ease);
}

.project-card:hover .media { transform: scale(1.05); }

.image-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 75% 18%, rgba(8, 8, 8, 0.14), transparent 26%),
    linear-gradient(135deg, rgba(8, 8, 8, 0.1), transparent), var(--soft);
  color: rgba(8, 8, 8, 0.3);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.03em;
  transition: transform 0.5s var(--ease);
}

.project-card:hover .image-placeholder { transform: scale(1.04); }

.project-caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  padding: 20px;
  border-radius: 18px;
  background: rgba(8, 8, 8, 0.78);
  color: var(--white);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.project-caption span {
  display: block;
  margin-bottom: 8px;
  color: var(--on-dark-soft);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.project-caption strong { font-size: 23px; letter-spacing: -0.05em; font-weight: 700; }

/* CTA pro portfólio completo, centralizado sob a grade */
.projects-more {
  margin-top: 38px;
  display: flex;
  justify-content: center;
}

/* numeração editorial dos cards (mesma linguagem dos números de Serviços/Processo) */
.project-num {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  background: rgba(8, 8, 8, 0.55);
  color: var(--white);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* =====================================================================
   SERVICES
   ===================================================================== */

.services { background: var(--stone); }
.service-list { border-top: 1px solid var(--line); }

.service-row {
  display: grid;
  grid-template-columns: 70px minmax(220px, 360px) 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.3s var(--ease), background 0.3s var(--ease),
    color 0.3s var(--ease), border-radius 0.3s var(--ease);
}

.service-row:hover {
  padding-left: 24px;
  padding-right: 24px;
  background: var(--black);
  color: var(--white);
  border-radius: 18px;
}

.service-row .num { color: var(--muted); font-size: 13px; font-weight: 700; }
.service-row:hover .num { color: var(--on-dark-soft); }
.service-row h3 { font-size: clamp(24px, 2.5vw, 34px); letter-spacing: -0.055em; }
.service-row p { max-width: 620px; color: var(--muted); line-height: 1.6; }
.service-row:hover p { color: var(--on-dark); }

.service-row .row-arrow {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 18px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.service-row:hover .row-arrow { opacity: 1; transform: translateX(0); border-color: rgba(255, 255, 255, 0.3); }

/* =====================================================================
   MANIFESTO  (dark)
   ===================================================================== */

.manifest {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--black);
  color: var(--white);
}

.manifest-mark {
  position: absolute;
  left: 3vw;
  bottom: -4vw;
  font-size: clamp(120px, 28vw, 420px);
  line-height: 0.75;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.05);
  pointer-events: none;
  user-select: none;
}

.manifest-content { position: relative; z-index: 2; max-width: 760px; margin-left: auto; }

.manifest-content p,
.cta p {
  max-width: 640px;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.62);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.7;
}

/* =====================================================================
   PROCESS
   ===================================================================== */

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.process-card {
  min-height: 285px;
  padding: 28px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.4);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.process-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, 0.78); box-shadow: 0 22px 46px rgba(8, 8, 8, 0.08); }
.process-card .num { display: block; margin-bottom: 70px; color: var(--muted); font-size: 13px; font-weight: 700; }

/* régua que se desenha sob o número quando o card entra (sequência do processo) */
.js .process-card .num::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  margin-top: 12px;
  background: var(--line);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.9s var(--ease) 0.3s;
}
.js .process-card.is-visible .num::after { transform: none; }
.process-card h3 { margin-bottom: 14px; font-size: 22px; letter-spacing: -0.05em; }
.process-card p { color: var(--muted); line-height: 1.55; font-size: 15px; }

/* =====================================================================
   MARQUEE BAND
   ===================================================================== */

.marquee {
  position: relative;
  background: var(--black);
  color: rgba(255, 255, 255, 0.22);
  border-top: 1px solid var(--on-dark-faint);
  border-bottom: 1px solid var(--on-dark-faint);
  padding: 26px 0;
  overflow: hidden;
  white-space: nowrap;
}

/* texto do marquee esmaece nas bordas (entra/sai do nada) */
.marquee::before,
.marquee::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(60px, 12vw, 180px);
  z-index: 1;
  pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--black), transparent); }
.marquee::after { right: 0; background: linear-gradient(270deg, var(--black), transparent); }

.marquee-track {
  position: relative;
  z-index: 2; /* texto acima da poeira que cruza a faixa */
  display: inline-flex;
  gap: 40px;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  animation: marquee 26s linear infinite;
}

.marquee-track span { display: inline-block; }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* pausa pra leitura ao passar o mouse */
.marquee:hover .marquee-track { animation-play-state: paused; }

/* =====================================================================
   FAQ
   ===================================================================== */

.faq { border-top: 1px solid var(--line); }
.faq .section-heading { margin-bottom: clamp(32px, 4vw, 54px); }
.faq-list { max-width: 1020px; margin-left: auto; border-top: 1px solid var(--line); counter-reset: faq; }
.faq-item { border-bottom: 1px solid var(--line); }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 28px 0;
  display: flex;
  justify-content: flex-start;
  gap: 28px;
  align-items: center;
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: 1.25;
  letter-spacing: -0.045em;
  font-weight: 700;
  counter-increment: faq;
  transition: color 0.25s var(--ease);
}

.faq-item summary::-webkit-details-marker { display: none; }

/* numeração editorial das perguntas (mesma família dos 01/02 do site) */
.faq-item summary::before {
  content: counter(faq, decimal-leading-zero);
  flex: 0 0 auto;
  min-width: 26px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: color 0.25s var(--ease);
}
.faq-item.is-open summary::before,
.faq-item summary:hover::before { color: var(--black); }

.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--muted);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}

.faq-item.is-open summary::after { transform: rotate(45deg); background: var(--black); color: var(--white); }
.faq-item p { max-width: 760px; margin: -6px 70px 28px 54px; color: var(--muted); font-size: 16px; line-height: 1.7; }

/* =====================================================================
   CTA  (dark)
   ===================================================================== */

.cta {
  position: relative;
  overflow: hidden;
  background: var(--black);
  color: var(--white);
  text-align: center;
  padding: clamp(100px, 11vw, 152px) var(--pad-x);
}

/* mesma textura diagonal do hero — abre e fecha a página na mesma língua */
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: repeating-linear-gradient(-45deg, #fff, #fff 1px, transparent 1px, transparent 13px);
  pointer-events: none;
}

.cta h2 { max-width: 760px; margin: 0 auto; }
.cta p { margin-left: auto; margin-right: auto; }
.cta .btn { margin-top: 34px; }

/* =====================================================================
   FOOTER
   ===================================================================== */

footer.site-footer {
  position: relative;
  z-index: 2; /* acima da poeira */
  background: var(--black);
  color: var(--on-dark-soft);
  border-top: 1px solid var(--on-dark-faint);
  padding: 30px var(--pad-x);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px 24px;
  font-size: 13px;
}

footer.site-footer > p { grid-column: 2; text-align: center; margin: 0; }

.footer-logo { display: inline-flex; justify-self: start; }
.footer-logo img { height: 30px; width: auto; display: block; }

/* "Desenvolvido por AEPRAX" credit (model from Cartorio-flow-interface) */
.footer-dev {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-dark-soft);
  justify-self: end;
}

.footer-dev-link {
  display: inline-flex;
  align-items: center;
  transition: transform 0.25s var(--ease);
}

.footer-dev-link:hover { transform: translateY(-1px); }

.footer-dev-logo {
  height: 20px;
  width: auto;
  opacity: 0.75;
  transition: opacity 0.25s var(--ease);
}

.footer-dev-link:hover .footer-dev-logo { opacity: 1; }

/* =====================================================================
   Floating WhatsApp button
   ===================================================================== */
.floats {
  position: fixed;
  right: clamp(18px, 3vw, 34px);
  bottom: clamp(18px, 3vw, 34px);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--black);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.14);   /* legível também sobre seções escuras */
  transition: transform 0.3s var(--ease);
}
.float-btn:hover { transform: translateY(-3px); }
.float-btn svg { width: 26px; height: 26px; display: block; }

/* =====================================================================
   REVEAL / MOTION  (hidden state only when JS is active → safe fallback)
   ===================================================================== */

.js .fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .fade-up.is-visible { opacity: 1; transform: none; }

/* Rótulos de seção — traço que se desenha antes do texto, junto do fade */
.js .section-label::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.9s var(--ease) 0.25s;
}
.js .section-label.is-visible::before { transform: scaleX(1); }

/* Serviços / Processo — cascata de entrada via `translate` (propriedade
   separada do `transform`, então o lift/zoom do hover continua intacto).
   As listas de transition repetem as do hover + as do reveal. */
.js .service-row {
  opacity: 0;
  translate: 0 30px;
  transition: padding 0.3s var(--ease), background 0.3s var(--ease),
    color 0.3s var(--ease), border-radius 0.3s var(--ease),
    opacity 0.9s var(--ease), translate 0.9s var(--ease);
}
.js .process-card {
  opacity: 0;
  translate: 0 30px;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease),
    box-shadow 0.3s var(--ease),
    opacity 0.9s var(--ease), translate 0.9s var(--ease);
}
.js .service-row.is-visible,
.js .process-card.is-visible {
  opacity: 1;
  translate: 0 0;
}

/* Reveal por opacity + subida (SEM máscara overflow:hidden): assim nunca corta
   acento/descendente nem cria vão — as palavras simplesmente sobem e aparecem. */
.reveal-word { display: inline-block; }
.reveal-word > span { display: inline-block; will-change: transform, opacity; }

/* Projetos — reveal elegante: a imagem aparece com um wipe (clip-path) de baixo
   pra cima e a legenda sobe junto. Cascata leve entre os três cards.
   Só transiciona clip-path/opacity → o zoom do hover (transform) fica intacto. */
.js .project-card .media,
.js .project-card .image-placeholder {
  clip-path: inset(100% 0 0 0);
  transition: clip-path 1.05s var(--ease);
}
.js .project-card.is-revealed .media,
.js .project-card.is-revealed .image-placeholder {
  clip-path: inset(0 0 0 0);
}
.js .project-card:nth-child(2).is-revealed .media,
.js .project-card:nth-child(2).is-revealed .image-placeholder { transition-delay: 0.1s; }
.js .project-card:nth-child(3).is-revealed .media,
.js .project-card:nth-child(3).is-revealed .image-placeholder { transition-delay: 0.2s; }

.js .project-card .project-caption {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.8s var(--ease) 0.28s, transform 0.8s var(--ease) 0.28s;
}
.js .project-card.is-revealed .project-caption {
  opacity: 1;
  transform: none;
}

.js .project-card .project-num {
  opacity: 0;
  transition: opacity 0.8s var(--ease) 0.45s;
}
.js .project-card.is-revealed .project-num { opacity: 1; }

/* =====================================================================
   PORTFÓLIO (portfolio.html) — cabeçalho da página, grade e lightbox
   ===================================================================== */

.page-head {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 72% 12%, #18181a 0%, transparent 44%),
    linear-gradient(160deg, #0c0c0d 0%, #060606 56%, #121212 100%);
  color: var(--white);
  padding: calc(var(--header) + clamp(52px, 9vw, 110px)) var(--pad-x) clamp(48px, 6vw, 84px);
}

.page-head::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: repeating-linear-gradient(-45deg, #fff, #fff 1px, transparent 1px, transparent 13px);
  pointer-events: none;
}

.page-head .wrap { position: relative; z-index: 2; }

.page-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}
.page-back iconify-icon { font-size: 15px; transition: transform 0.25s var(--ease); }
.page-back:hover { color: var(--white); }
.page-back:hover iconify-icon { transform: translateX(-3px); }

.page-head h1 {
  font-size: clamp(52px, 11vw, 150px);
  line-height: 0.88;
  letter-spacing: -0.05em;
  font-weight: 800;
  text-transform: uppercase;
}

.page-lead {
  max-width: 540px;
  margin-top: 22px;
  color: var(--on-dark-soft);
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.7;
}

/* grade do portfólio: colunas iguais; o 1º card vira destaque nos breakpoints
   herdados de .project-grid. Cards são <button> → reset. */
.portfolio-grid { grid-template-columns: repeat(3, 1fr); }
.portfolio-grid .project-card,
.portfolio-grid .project-card:first-child { min-height: 420px; }

.pf-card {
  width: 100%;
  padding: 0;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.portfolio-empty {
  padding: 40px 0 10px;
  color: var(--muted);
  font-size: 16px;
}

/* ---------------- lightbox ---------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: clamp(16px, 4vw, 48px);
  background: rgba(6, 6, 6, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}

.lightbox.is-open { opacity: 1; visibility: visible; }
body.lb-lock { overflow: hidden; }

.lb-stage {
  margin: 0;
  max-width: min(1100px, 100%);
  touch-action: pan-y; /* deixa o swipe horizontal pro JS */
}

.lb-stage img {
  max-width: 100%;
  max-height: 72vh;
  border-radius: 14px;
  /* sem grayscale aqui: na galeria o trabalho aparece nas cores reais */
  opacity: 0;
  transform: scale(0.985);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.lb-stage img.is-on { opacity: 1; transform: none; }

.lb-btn {
  position: absolute;
  z-index: 2;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--on-dark-faint);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.lb-btn:hover { background: rgba(255, 255, 255, 0.16); transform: scale(1.05); }

.lb-close { top: clamp(16px, 3vw, 28px); right: clamp(16px, 3vw, 28px); }
.lb-prev { left: clamp(10px, 3vw, 34px); top: 50%; margin-top: -24px; }
.lb-next { right: clamp(10px, 3vw, 34px); top: 50%; margin-top: -24px; }

.lb-meta {
  display: flex;
  align-items: baseline;
  gap: 14px;
  max-width: min(1100px, 100%);
  color: var(--on-dark-soft);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.lb-meta strong {
  color: var(--white);
  font-size: 17px;
  letter-spacing: -0.03em;
  text-transform: none;
}
.lb-counter { margin-left: 6px; }

/* projeto com 1 imagem: navegação some */
.lightbox.lb-single .lb-prev,
.lightbox.lb-single .lb-next,
.lightbox.lb-single .lb-counter { display: none; }

@media (max-width: 840px) {
  .lb-btn { width: 42px; height: 42px; font-size: 17px; }
  .lb-prev { left: 8px; }
  .lb-next { right: 8px; }
  .lb-stage img { max-height: 62vh; }
  .lb-meta { flex-wrap: wrap; gap: 8px 14px; }
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */

/* overlay menu never shows on desktop */
@media (min-width: 1025px) {
  .mobile-menu { display: none; }
}

@media (max-width: 1024px) {
  .nav-pill { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .project-grid,
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card:first-child { grid-column: 1 / -1; }
  .intro-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 840px) {
  :root { --header: 68px; }
  .hero {
    min-height: 100vh;
    min-height: 100svh;   /* enche a tela visível do mobile (sem pulo da barra do navegador) */
    padding-bottom: clamp(60px, 12vw, 90px);
  }
  .hero-corner { display: none; }
  .intro { padding-top: clamp(80px, 12vw, 110px); }
  .intro-grid,
  .service-row { grid-template-columns: 1fr; }
  .service-row { gap: 10px; position: relative; padding-right: 54px; }
  /* no toque não existe hover: seta sempre visível como affordance de link */
  .service-row .row-arrow {
    position: absolute;
    right: 0;
    top: 50%;
    margin-top: -19px;
    width: 38px;
    height: 38px;
    font-size: 16px;
    opacity: 1;
    transform: none;
  }
  .manifest-content { margin-left: 0; }
  .section { padding-top: 86px; padding-bottom: 86px; }
}

@media (max-width: 620px) {
  .site-header { padding: 0 18px; }
  h2 { font-size: clamp(31px, 9vw, 42px); }
  .project-grid,
  .process-grid { grid-template-columns: 1fr; }
  .project-card,
  .project-card:first-child { min-height: 320px; }
  .service-row:hover { padding-left: 16px; padding-right: 16px; }
  .faq-list { margin-left: 0; }
  .faq-item summary { gap: 16px; }
  .faq-item summary::before { display: none; } /* telas estreitas: prioridade pro texto */
  .faq-item p { margin-right: 0; margin-left: 0; }
  footer.site-footer { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  footer.site-footer > p { grid-column: auto; }
  .footer-logo, .footer-dev { justify-self: center; }
}