/* ============================================
   MÁRCIO FEIJÓ — PORTFOLIO
   Design System — Light / White Edition
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS VARIABLES ── */
:root {
  --bg-primary:    #FFFFFF;
  --bg-surface:    #FAFAFA;
  --bg-card:       #F5F5F5;
  --bg-card-hover: #EBEBEB;

  --accent:        #111111;
  --accent-light:  #333333;
  --accent-glow:   rgba(17, 17, 17, 0.04);
  --accent-border: rgba(17, 17, 17, 0.12);

  --text-primary:   #111111;
  --text-secondary: #555555;
  --text-muted:     #888888;

  --border:         rgba(0, 0, 0, 0.06);
  --border-accent:  rgba(0, 0, 0, 0.12);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;

  --font-head: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --transition:      0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.14s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 99px; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.display-xl {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.03;
}

.text-accent { color: var(--accent-light); }
.text-muted  { color: var(--text-secondary); }

/* ── LAYOUT ── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}
.nav-logo span { color: var(--text-muted); }
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  font-weight: 500;
}
.nav-link:hover { color: var(--text-primary); }
.nav-cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border-accent);
  border-radius: 99px;
  font-size: 0.875rem;
  color: var(--text-primary);
  background: transparent;
  transition: var(--transition-fast);
  font-weight: 500;
}
.nav-cta:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}
.nav-back {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  font-weight: 500;
}
.nav-back:hover { color: var(--text-primary); }
.nav-back svg { transition: transform var(--transition-fast); }
.nav-back:hover svg { transform: translateX(-4px); }

/* ── HERO (HOME) ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10rem 0 6rem;
  border-bottom: 1px solid var(--border);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 2.5rem;
  font-family: var(--font-body);
}
.hero-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--text-muted);
}

.hero-title { margin-bottom: 2rem; }
.hero-title .line {
  display: block;
}
.hero-title .gradient-text {
  background: linear-gradient(120deg, var(--text-primary) 30%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.8;
}

/* ── SECTION LABEL ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 3rem;
  font-family: var(--font-body);
}
.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--text-muted);
}

/* ── PROJECTS SECTION ── */
.projects-section {
  padding: 5rem 0 8rem;
  position: relative;
}

/* ── PROJECT GRID ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2.5rem;
  background: transparent;
  border: none;
  overflow: visible;
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  background: var(--bg-card);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.06);
}

.project-card.featured-card {
  grid-column: span 12;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: stretch;
  background: #0E131F;
  color: #FFFFFF;
}

.project-card.grid-card {
  grid-column: span 6;
}

/* Visual wrapper (Mockup display) */
.project-card-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.featured-card .project-card-visual {
  padding: 3rem 1.5rem 3rem 3rem;
}
.grid-card .project-card-visual {
  padding: 2.5rem 2.5rem 0 2.5rem;
}

.project-card-image {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.22);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.project-card:hover .project-card-image {
  transform: scale(1.02) translateY(-2px);
}

/* Info block */
.project-card-info {
  display: flex;
  flex-direction: column;
}
.featured-card .project-card-info {
  justify-content: center;
  padding: 3rem 4rem 3rem 3rem;
}
.grid-card .project-card-info {
  padding: 2rem 2.5rem 2.5rem 2.5rem;
}

.project-card-tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.65);
  margin-bottom: 0.75rem;
  width: fit-content;
  transition: var(--transition-fast);
}

.project-card-title {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: inherit;
}

.project-card-metric {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1.25rem;
  line-height: 1.45;
}
.project-card-metric strong {
  color: inherit;
  font-weight: 700;
}

.project-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: auto;
  transition: color var(--transition-fast);
}
.project-card:hover .project-card-cta {
  color: #FFFFFF;
}
.project-card-cta svg {
  transition: transform var(--transition-fast);
}
.project-card:hover .project-card-cta svg {
  transform: translateX(4px);
}

/* ── Card Color Backdrops ── */
/* ── Case Cards - Differentiated Premium Pastel Theme ── */
.card-asksuite {
  background: #FFD8BE; /* Pastel Orange */
  color: var(--text-primary);
}
.card-condoconta {
  background: #D0EAD9; /* Pastel Green */
  color: var(--text-primary);
}
.card-ahgora {
  background: #EFEAE2; /* Pastel Beige */
  color: var(--text-primary);
}
.card-vaas {
  background: #D5E2F2; /* Pastel Blue */
  color: var(--text-primary);
}

.card-asksuite .project-card-tag,
.card-condoconta .project-card-tag,
.card-ahgora .project-card-tag,
.card-vaas .project-card-tag {
  border-color: rgba(17, 17, 17, 0.12);
  color: var(--text-secondary);
}

.card-asksuite .project-card-metric,
.card-condoconta .project-card-metric,
.card-ahgora .project-card-metric,
.card-vaas .project-card-metric {
  color: var(--text-secondary);
}

.card-asksuite .project-card-metric strong,
.card-condoconta .project-card-metric strong,
.card-ahgora .project-card-metric strong,
.card-vaas .project-card-metric strong {
  color: var(--text-primary);
}

.card-asksuite .project-card-cta,
.card-condoconta .project-card-cta,
.card-ahgora .project-card-cta,
.card-vaas .project-card-cta {
  color: var(--text-secondary);
}

.card-asksuite:hover .project-card-cta,
.card-condoconta:hover .project-card-cta,
.card-ahgora:hover .project-card-cta,
.card-vaas:hover .project-card-cta {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .project-card.featured-card {
    grid-template-columns: 1fr;
  }
  .project-card.grid-card {
    grid-column: span 12;
  }
  .featured-card .project-card-visual {
    padding: 2.5rem 2.5rem 0 2.5rem;
  }
  .featured-card .project-card-info {
    padding: 2rem 2.5rem 2.5rem 2.5rem;
  }
}

/* ── ABOUT FOOTER ── */
.about-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 6rem 0 3rem;
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
  margin-bottom: 5rem;
}

.about-name {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}
.about-role {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.about-passions { margin-top: 2rem; }
.about-passions-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-weight: 700;
}
.passions-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.passion-tag {
  padding: 0.2rem 0.65rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}
.passion-tag:hover {
  border-color: var(--border-accent);
  color: var(--text-secondary);
}
.about-text p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 1.25rem;
}
.about-text p:last-child { margin-bottom: 0; }

/* ── CONTACT STRIP ── */
.contact-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1.5rem;
}
.contact-links { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: var(--bg-primary);
  transition: var(--transition-fast);
  font-weight: 500;
}
.contact-link:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: var(--bg-card);
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── PROJECT PAGE ── */
.project-hero {
  min-height: 65vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
  background: var(--bg-surface);
}
.project-hero-bg {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 0;
}
.project-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.12;
  filter: grayscale(60%) brightness(1.1);
}
.project-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(247,246,244,0.2) 0%,
    rgba(247,246,244,0.85) 60%,
    var(--bg-surface) 100%
  );
}
.project-hero-content {
  position: relative;
  z-index: 1;
}
.project-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.project-tag {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--border-accent);
  border-radius: 4px;
  font-size: 0.63rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  background: var(--bg-primary);
}
.project-year {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}
.project-title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.project-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.75;
}

/* ── METRICS BANNER ── */
.metrics-banner {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: relative;
  z-index: 1;
}

/* ── PROJECT CONTENT ── */
.project-content {
  padding: 5rem 0;
  position: relative;
  z-index: 1;
  background: var(--bg-primary);
}
.project-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 5rem;
  align-items: start;
}
.project-sidebar {
  position: sticky;
  top: 6rem;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
  font-weight: 500;
  cursor: pointer;
}
.sidebar-nav-item::before {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition-fast);
}
.sidebar-nav-item:hover,
.sidebar-nav-item.active { color: var(--text-primary); }
.sidebar-nav-item.active::before {
  background: var(--text-primary);
  width: 6px;
  border-radius: 1px;
}

/* Project sections */
.project-section {
  margin-bottom: 5rem;
  scroll-margin-top: 7rem;
}
.project-section:last-child { margin-bottom: 0; }

.section-heading {
  font-size: 0.63rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.section-heading::after { display: none; }

.section-heading-icon {
  font-size: 0.63rem;
  color: var(--text-muted);
  font-weight: 700;
}

.project-body-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 1.25rem;
}
.project-body-text strong {
  color: var(--text-primary);
  font-weight: 600;
}
.project-body-text em {
  color: var(--accent-light);
  font-style: normal;
  font-weight: 600;
}

/* ── PROCESS TAGS ── */
.process-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.5rem 0;
}
.process-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition-fast);
}
.process-tag:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  background: var(--bg-card);
  transform: scale(1.02);
}
.process-tag-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

/* ── METRICS ── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.metric-card {
  padding: 1.75rem 1.5rem;
  background: var(--bg-primary);
  text-align: center;
  transition: background var(--transition-fast);
}
.metric-card:hover { background: var(--bg-surface); }
.metric-value {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.metric-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── RESULT BULLETS ── */
.result-list { margin: 1.5rem 0; }
.result-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.result-item:last-child { border-bottom: none; }
.result-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-primary);
  flex-shrink: 0;
  margin-top: 0.55rem;
}
.result-item-content strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 0.3rem;
  font-family: var(--font-body);
}
.result-item-content span {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── NEXT PROJECT ── */
.next-project {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}
.next-project-label {
  font-size: 0.63rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-weight: 700;
}
.next-project-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 2.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  cursor: pointer;
}
.next-project-link:hover {
  border-color: var(--border-accent);
  background: var(--bg-card);
  transform: translateX(4px);
}
.next-project-title {
  font-family: var(--font-head);
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.next-project-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.next-project-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: var(--transition-fast);
}
.next-project-link:hover .next-project-arrow {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary);
  transform: rotate(45deg);
}

/* ── ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.07s; }
.reveal-delay-2 { transition-delay: 0.14s; }
.reveal-delay-3 { transition-delay: 0.21s; }
.reveal-delay-4 { transition-delay: 0.28s; }
.reveal-delay-5 { transition-delay: 0.35s; }

/* ── HAMBURGER ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-secondary);
  border-radius: 99px;
  transition: var(--transition-fast);
}

/* ═══════════════════════════════════════════
   GALERIA DE IMAGENS — PROJECT PAGES
   ═══════════════════════════════════════════ */

.gallery-section {
  margin-bottom: 5rem;
  scroll-margin-top: 7rem;
}

.gallery-tip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background: var(--bg-surface);
  border: 1px dashed var(--border-accent);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}
.gallery-tip svg { flex-shrink: 0; }
.gallery-tip code {
  font-family: 'Courier New', monospace;
  background: var(--bg-card);
  padding: 0 4px;
  border-radius: 3px;
  font-size: 0.65rem;
}

/* ── Gallery Layouts ── */
.gallery-grid {
  display: grid;
  gap: 1.5rem;
}
.gallery-grid.layout-featured { grid-template-columns: 1fr 1fr; }
.gallery-grid.layout-featured .gallery-item:first-child { grid-column: span 2; }
.gallery-grid.layout-thirds  { grid-template-columns: repeat(3, 1fr); }
.gallery-grid.layout-halves  { grid-template-columns: 1fr 1fr; }
.gallery-grid.layout-single  { grid-template-columns: 1fr; }

/* ── Gallery List (Independent Stacked Images) ── */
.gallery-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin: 2rem 0;
  width: 100%;
}
.gallery-list .gallery-item {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.gallery-list .gallery-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}

/* ── Gallery Carousel ── */
.gallery-carousel-wrapper {
  position: relative;
  width: 100%;
  margin: 1.5rem 0;
}
.gallery-carousel {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 0.5rem 0 1rem;
  -webkit-overflow-scrolling: touch;
}
.gallery-carousel::-webkit-scrollbar {
  display: none;
}
.gallery-carousel {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.gallery-carousel .gallery-item {
  flex: 0 0 85%;
  scroll-snap-align: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}
@media (min-width: 768px) {
  .gallery-carousel .gallery-item {
    flex: 0 0 65%;
  }
}
@media (min-width: 1024px) {
  .gallery-carousel .gallery-item {
    flex: 0 0 50%;
  }
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.carousel-btn:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}
.carousel-btn.prev-btn {
  left: -22px;
}
.carousel-btn.next-btn {
  right: -22px;
}
@media (max-width: 768px) {
  .carousel-btn {
    display: none;
  }
}

/* ── Gallery Item ── */
.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.gallery-item:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.gallery-item:hover img { transform: scale(1.02); }

.gallery-item.ratio-landscape { aspect-ratio: 16/11.7; } /* 30% maior verticalmente */
.gallery-item.ratio-portrait  { aspect-ratio: 4/6.5; }   /* 30% maior verticalmente */
.gallery-item.ratio-square    { aspect-ratio: 1/1.3; }   /* 30% maior verticalmente */
.gallery-item.ratio-wide      { aspect-ratio: 21/11.7; } /* 30% maior verticalmente */
.gallery-item.ratio-auto      { aspect-ratio: auto; min-height: 286px; } /* 30% maior verticalmente */

/* ── Placeholder ── */
.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem;
  min-height: inherit;
  text-align: center;
  background: var(--bg-surface);
}
.gallery-placeholder-icon {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-fast);
}
.gallery-item:hover .gallery-placeholder-icon {
  border-color: var(--border-accent);
  color: var(--text-secondary);
}
.gallery-placeholder-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
  max-width: 160px;
}
.gallery-placeholder-hint {
  font-size: 0.62rem;
  color: var(--text-muted);
  opacity: 0.6;
  font-family: 'Courier New', monospace;
  background: var(--bg-card);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  border: 1px solid var(--border);
}

/* ── Caption ── */
.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.25rem;
  background: linear-gradient(to top, rgba(255,255,255,0.97) 0%, transparent 100%);
  font-size: 0.78rem;
  color: var(--text-secondary);
  opacity: 0;
  transform: translateY(4px);
  transition: var(--transition-fast);
  pointer-events: none;
}
.gallery-item:hover .gallery-caption { opacity: 1; transform: translateY(0); }
.gallery-caption strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.15rem;
  font-size: 0.82rem;
}

/* ── Zoom icon ── */
.gallery-zoom-icon {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  opacity: 0;
  transform: scale(0.85);
  transition: var(--transition-fast);
}
.gallery-item:hover .gallery-zoom-icon { opacity: 1; transform: scale(1); }

/* ── Lightbox ── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}
.lightbox-overlay.open { opacity: 1; pointer-events: all; }
.lightbox-inner {
  position: relative;
  max-width: 1100px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  transform: scale(0.97);
  transition: transform 0.22s ease;
}
.lightbox-overlay.open .lightbox-inner { transform: scale(1); }
.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-md);
  object-fit: contain;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}
.lightbox-caption-text {
  display: none;
}
.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}
.lightbox-close:hover { border-color: var(--border-accent); color: var(--text-primary); }
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 2;
}
.lightbox-nav:hover { border-color: var(--border-accent); color: var(--text-primary); }
.lightbox-prev { left: -3.5rem; }
.lightbox-next { right: -3.5rem; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card:nth-child(1),
  .project-card:nth-child(2),
  .project-card:nth-child(3),
  .project-card:nth-child(4) { grid-column: span 1; }
  .project-card:nth-child(5) { grid-column: span 2; }
  .project-layout { grid-template-columns: 1fr; }
  .project-sidebar { position: static; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  .container { padding: 0 1.25rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card:nth-child(n) { grid-column: span 1; }
  .contact-strip { flex-direction: column; align-items: flex-start; }
  .project-hero { min-height: 50vh; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid.layout-featured { grid-template-columns: 1fr; }
  .gallery-grid.layout-thirds { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid.layout-featured .gallery-item:first-child { grid-column: span 1; }
  .lightbox-prev { left: -0.5rem; }
  .lightbox-next { right: -0.5rem; }
}

@media (max-width: 480px) {
  .gallery-grid.layout-thirds,
  .gallery-grid.layout-halves { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { gap: 2rem; }
}