:root {
  --bg-color: #111113;
  --accent-color: #E6A13A;
  --text-primary: #FFFFFF;
  --text-secondary: #A1A1A6;
  --divider-color: #2C2C2E;
  --font-title: 'Playfair Display', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

/* Global Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0px !important; /* Critical Rule: No rounded corners */
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-color) var(--bg-color);
}

/* Custom Scrollbar para Webkit (Chrome, Safari, Edge) */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
  border-left: 1px solid var(--divider-color);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 0px !important;
}

::-webkit-scrollbar-thumb:hover {
  background: #C4852B;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Ensure all sections sit above the fixed fx-layer */
header, section, footer {
  position: relative;
  z-index: 1;
}

/* Visual Effects Layer */
.fx-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0; /* Behind everything */
  overflow: hidden;
}

/* Film Grain */
.fx-grain {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
  opacity: 0.05;
  animation: grain 8s steps(10) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -10%); }
  30% { transform: translate(3%, -15%); }
  50% { transform: translate(12%, 9%); }
  70% { transform: translate(9%, 4%); }
  90% { transform: translate(-1%, 7%); }
}

/* Soft Orbs */
.fx-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  animation: floatOrb 20s infinite ease-in-out alternate;
}

.orb-1 {
  width: 60vw;
  height: 60vw;
  background: var(--accent-color);
  top: -20%;
  left: -10%;
}

.orb-2 {
  width: 50vw;
  height: 50vw;
  background: #ffffff;
  bottom: -20%;
  right: -10%;
  animation-delay: -5s;
}

.orb-3 {
  width: 80vw;
  height: 80vw;
  background: var(--accent-color);
  top: 40%;
  left: 30%;
  opacity: 0.05;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 100px) scale(1.1); }
}

/* Parallax Ghost Text */
.parallax-wrapper {
  position: relative;
  height: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 0;
}

.parallax-text {
  position: absolute;
  top: -150px;
  font-family: var(--font-title);
  font-size: clamp(6rem, 20vw, 18rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.05);
  pointer-events: none;
  white-space: nowrap;
  will-change: transform;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 400;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-color);
}

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

/* Layout Elements */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

section {
  padding: 6rem 5%;
  border-bottom: 1px solid var(--divider-color);
}

/* Typography */
h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid var(--text-primary);
  background: transparent;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.btn:hover {
  background: var(--text-primary);
  color: var(--bg-color);
}

.btn-primary {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--bg-color);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent-color);
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 5%;
  border-bottom: 1px solid var(--divider-color);
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(17, 17, 19, 0.9);
  backdrop-filter: blur(10px);
  z-index: 100;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1), opacity 0.5s ease;
  pointer-events: none; /* Previne cliques enquanto está invisível */
}

.header.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  letter-spacing: 2px;
  font-weight: 700;
  display: flex;
  align-items: baseline;
}

.logo .dot {
  color: var(--accent-color);
}

.logo .word {
  color: var(--text-primary);
  animation: highlightWord 3s infinite;
  animation-delay: var(--delay);
}

@keyframes highlightWord {
  0%, 25% { color: var(--accent-color); }
  30%, 100% { color: var(--text-primary); }
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav a:not(.btn) {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Loader */
.loader {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: var(--bg-color); z-index: 9999;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  transition: opacity 1s ease, visibility 1s ease;
}
.loader-content { display: flex; flex-direction: column; align-items: center; gap: 2rem; }
.loader-text { margin: 0; font-family: var(--font-body); letter-spacing: 1px; text-transform: uppercase; font-size: 0.9rem; }
.progress-bar { width: 300px; height: 2px; background: var(--divider-color); overflow: hidden; }
.progress { width: 0%; height: 100%; background: var(--accent-color); transition: width 0.2s linear; }

/* Hero Section - Native Rack Focus */
.hero {
  position: relative;
  height: 200vh; /* Scroll area reduzida para a animação ser mais rápida */
  padding: 0;
  border-bottom: none;
  display: block;
}

.hero-sticky-container {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.hero-focus-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  will-change: filter, transform;
}

.logo-massive {
  position: relative;
  font-family: var(--font-title);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  letter-spacing: 4px;
  line-height: 1;
  color: var(--text-primary);
}

.logo-massive .dot {
  color: var(--accent-color);
}



.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(1rem, 3vw, 1.5rem);
  color: var(--text-secondary);
  margin-top: 1.5rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: center;
  width: 90%;
  max-width: 600px;
  line-height: 1.5;
  opacity: 0; /* Hidden by default, JS will fade it in */
  transform: translateY(20px);
  will-change: opacity, transform;
}


/* Manifesto Dynamic Section */
.manifesto-scroll {
  height: 250vh;
  position: relative;
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--divider-color);
}

.manifesto-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 5%;
}

.manifesto-title {
  font-family: var(--font-title);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.manifesto-word {
  color: var(--accent-color);
  display: inline-block;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.manifesto-text {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 800px;
  line-height: 1.6;
}

.mobile-only {
  display: none;
}

/* Services Section - Interactive List */
.services {
  padding: 8rem 5%;
  border-bottom: 1px solid var(--divider-color);
}

.services-container {
  display: flex;
  justify-content: space-between;
  gap: 4rem;
  margin-top: 4rem;
}

.services-list {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-item {
  padding: 3rem 0;
  border-bottom: 1px solid var(--divider-color);
  cursor: pointer;
  transition: padding-left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-item:first-child {
  border-top: 1px solid var(--divider-color);
}

.service-item:hover,
.service-item.is-active {
  padding-left: 2rem;
}

.service-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--text-primary);
  margin-bottom: 1rem;
  transition: color 0.4s ease;
  font-weight: 400;
}

.service-item:hover .service-title,
.service-item.is-active .service-title {
  color: var(--accent-color);
}

.service-desc {
  font-family: var(--font-body);
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 450px;
  line-height: 1.6;
}

.services-media-wrapper {
  flex: 1;
  position: sticky;
  top: 20vh;
  height: 60vh;
  background-color: #1A1A1D;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--divider-color);
  transition: opacity 0.4s ease;
}

.media-placeholder {
  font-family: var(--font-title);
  color: var(--divider-color);
  font-size: 1.5rem;
  letter-spacing: 2px;
  transition: opacity 0.3s ease;
}

/* Portfolio Section - Horizontal Scroll */
.portfolio {
  height: 300vh; /* Espaço virtual de scroll para mover a galeria horizontalmente */
  position: relative;
  background-color: var(--bg-color);
}

.portfolio-sticky-container {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 0;
}

.portfolio-sticky-container .section-header {
  padding: 0 5%;
}

.portfolio-horizontal-wrapper {
  width: 100%;
  overflow: hidden;
  margin-top: 2rem;
}

.portfolio-track {
  display: flex;
  gap: 2rem;
  padding: 0 5%;
  width: max-content; /* Permite que o container cresça consoante o número de itens */
  will-change: transform;
}

.portfolio-item {
  width: 80vw;
  max-width: 700px;
  flex-shrink: 0; /* Previne o item de encolher e forçar as imagens a quebrar */
}

.portfolio-item .media-placeholder {
  width: 100%;
  height: 500px;
  background: #1A1A1D;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--divider-color);
  font-family: var(--font-title);
  color: var(--divider-color);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
  font-size: 1.5rem;
  letter-spacing: 2px;
}

.portfolio-item:hover .media-placeholder {
  transform: scale(0.97); /* Micro-interação premium */
  border-color: var(--accent-color);
}

.portfolio-item .caption {
  margin-top: 1.5rem;
  font-family: var(--font-body);
  color: var(--text-secondary);
  font-size: 1.1rem;
  letter-spacing: 1px;
}

/* Briefing Form Section */
.briefing {
  padding: 8rem 5%;
}

.briefing-container {
  max-width: 900px;
  margin: 0 auto;
  background: #151518; /* Ligeiro contraste em relação ao fundo negro puro */
  padding: 6rem;
  border: 1px solid var(--divider-color);
}

.briefing-header {
  border-bottom: 1px solid var(--divider-color);
  padding-bottom: 2rem;
  margin-bottom: 4rem;
  display: flex;
  flex-direction: column;
}

.briefing-header h2 {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.briefing-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.briefing-progress {
  margin-top: 1.5rem;
  font-family: var(--font-body);
  color: var(--accent-color);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 600;
}

.multi-step-form {
  position: relative;
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeInStep 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInStep {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-title {
  font-family: var(--font-title);
  font-size: 2rem;
  margin-bottom: 3rem;
  color: var(--text-primary);
  font-weight: 400;
}

.form-group {
  margin-bottom: 4rem;
}

.form-group label {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-body);
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.form-group input, 
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--divider-color);
  color: var(--text-primary);
  padding: 1rem 0;
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  outline: none;
  transition: border-color 0.4s ease;
  resize: none;
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
  color: #2C2C2E;
}

.form-group input:focus, 
.form-group textarea:focus {
  border-bottom-color: var(--accent-color);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4rem;
}

.form-actions.right {
  justify-content: flex-end;
}

.btn-next, .btn-primary {
  background: var(--text-primary);
  color: var(--bg-color);
  padding: 1.2rem 3rem;
  border: none;
  font-family: var(--font-body);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
}

.btn-next:hover, .btn-primary:hover {
  background: var(--accent-color);
  transform: translateY(-3px);
}

.text-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: color 0.3s ease;
  padding: 0;
}

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

/* Footer */
.footer {
  padding: 3rem 5%;
  text-align: center;
  border-top: 1px solid var(--divider-color);
}

.footer p {
  margin: 0;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
  
  .mobile-only {
    display: block;
  }
  
  .services-container {
    flex-direction: column;
  }
  
  .services-media-wrapper {
    position: relative;
    top: 0;
    height: 40vh;
    margin-top: 2rem;
  }
  
  .service-item:hover {
    padding-left: 0; /* Remove hover indent on mobile */
  }
  
  .portfolio-item .media-placeholder {
    height: 350px;
  }.nav {
    display: none;
  }

  .briefing-container {
    padding: 2rem;
    border: none;
    border-top: 1px solid var(--divider-color);
    border-bottom: 1px solid var(--divider-color);
  }
  
  .form-actions {
    flex-direction: column-reverse;
    gap: 1.5rem;
  }
  
  .btn-next, .btn-primary {
    width: 100%;
  }
}