/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #fafafa;
  --bg-light: #f2f2f2;
  --text: #0a0a0a;
  --text-muted: #5a5a5a;
  --accent: #E8503A;
  --accent-hover: #ff6b55;
  --border: rgba(10, 10, 10, 0.08);
  --font-body: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

em {
  font-style: italic;
  color: var(--accent);
}

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-back {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.3s, gap 0.3s;
}

.nav-back:hover {
  color: var(--accent);
  gap: 0.7rem;
}

/* ===== HERO ===== */
.case-hero {
  padding: 9rem 2rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 5rem;
  align-items: start;
}

.case-eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.case-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
}

.case-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 480px;
}

/* ===== META ===== */
.case-meta {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem;
  background: var(--bg-light);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.meta-group { display: flex; flex-direction: column; gap: 0.5rem; }

.meta-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.meta-value {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.5;
}

.meta-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.meta-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border: 1px solid rgba(10, 10, 10, 0.12);
  border-radius: 100px;
  color: var(--text-muted);
}

/* ===== FIGMA BAR ===== */
.figma-bar {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.figma-bar-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.figma-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  padding: 0.55rem 1.25rem;
  border: 1px solid rgba(10, 10, 10, 0.15);
  border-radius: 100px;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.figma-link:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.figma-icon { width: 14px; height: 14px; flex-shrink: 0; }

/* ===== MOCKUP ===== */
.case-cover {
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.mockup-frame {
  width: 100%;
  background: var(--bg-light);
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.mockup-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mockup-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  opacity: 0.15;
}

.mockup-placeholder-title {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.mockup-placeholder-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===== CONTEÚDO ===== */
.case-content {
  padding: 7rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 6rem;
}

.case-content-nav {
  position: sticky;
  top: 6rem;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.content-nav-item {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-left: 2px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}

.content-nav-item:hover,
.content-nav-item.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

.case-body {
  display: flex;
  flex-direction: column;
  gap: 5rem;
}

.case-block { display: flex; flex-direction: column; gap: 1.5rem; }

.case-block-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.case-block-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.case-block-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 580px;
}

/* ===== GALERIA ===== */
.case-gallery {
  padding: 0 2rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  background: var(--bg-light);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-placeholder {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.4;
}

.gallery-caption {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ===== NAVEGAÇÃO ENTRE CASES ===== */
.case-nav {
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.case-nav-item {
  padding: 3rem 2rem;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background 0.3s;
  border-right: 1px solid var(--border);
}

.case-nav-item:last-child { border-right: none; }
.case-nav-item.prev:hover,
.case-nav-item.next:hover { background: var(--bg-light); }

.case-nav-item.next {
  align-items: flex-end;
  text-align: right;
}

.case-nav-direction {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.case-nav-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: color 0.3s;
}

.case-nav-item:hover .case-nav-title { color: var(--accent); }

.case-nav-type {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== CONTATO ===== */
.case-contato {
  padding: 7rem 2rem;
  background: var(--bg-light);
}

.case-contato__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.case-contato__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 3.5rem;
}

.case-contato__links { display: flex; flex-direction: column; }

.case-contato__link {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  transition: padding-left 0.3s;
  color: inherit;
  text-decoration: none;
}

.case-contato__link:last-child { border-bottom: 1px solid var(--border); }
.case-contato__link:hover { padding-left: 1rem; }
.case-contato__link:hover .case-contato__value { color: var(--accent); }

.case-contato__label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  min-width: 100px;
}

.case-contato__value {
  font-size: 1.05rem;
  color: var(--text);
  transition: color 0.3s;
}

@media (max-width: 600px) {
  .case-contato__link {
    flex-direction: column;
    gap: 0.25rem;
    align-items: flex-start;
  }
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-right {
  font-family: var(--font-display);
  font-weight: 600;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .case-hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 8rem 1.5rem 4rem;
  }

  .case-content {
    grid-template-columns: 1fr;
    padding: 5rem 1.5rem;
    gap: 3rem;
  }

  .case-content-nav { display: none; }

  .case-gallery {
    grid-template-columns: 1fr;
    padding: 0 1.5rem 4rem;
  }

  .case-nav { grid-template-columns: 1fr; }

  .case-nav-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .case-nav-item.next {
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 600px) {
  nav { padding: 1.25rem 1.25rem; }

  .figma-bar {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.25rem;
  }

  .case-cover { padding: 2rem 1.25rem; }

  footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}