/* ============================================
   HISTÓRIAS DE TRANSFORMAÇÃO E LEGADO
   Brand Book — Premium Awwwards Presentation
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --orange-primary: #cc4323;
  --orange-accent: #c44727;
  --brown-dark: #352823;
  --brown-deep: #1a0e0d;
  --brown-medium: #312321;
  --terracotta: #b7722f;
  --terracotta-light: #c68338;
  --golden: #d39140;
  --rust: #962b17;
  --beige: #bda78d;
  --cream: #ede8e1;
  --cream-warm: #ecdccf;
  
  --font-title: 'TT Berliner Grotesk', 'Outfit', sans-serif;
  --font-body: 'Seagull', 'Source Sans 3', sans-serif;
  
  --section-padding: clamp(4rem, 12vw, 10rem);
  --container-max: 1200px;
  
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
  --duration-slow: 1.2s;
  --duration-mid: 0.8s;
  --duration-fast: 0.4s;
}

/* --- Font Face --- */
@font-face {
  font-family: 'TT Berliner Grotesk';
  src: url('brand/TT%20Berlinerins%20Trial%20Grotesk.otf') format('opentype');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Seagull';
  src: url('brand/seagull-medium.otf') format('opentype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.7;
  color: var(--brown-dark);
  background: var(--cream);
  overflow-x: hidden;
  position: relative;
}

/* Beige parchment texture overlay - entire page */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  background-image: url("brand/texture.jpg");
  background-repeat: repeat;
  background-size: 800px 800px;
  mix-blend-mode: multiply;
  opacity: 0.45;
}

h1, h2, h3, h4 { font-family: var(--font-title); font-weight: 500; line-height: 1.1; }
h1 { font-size: clamp(2.5rem, 8vw, 5.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
}

/* --- Cursor Follower (desktop) --- */
.cursor-follower {
  position: fixed;
  width: 24px;
  height: 24px;
  border: 2px solid var(--orange-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.5);
  transition: transform 0.2s, opacity 0.2s;
}
body:hover .cursor-follower { opacity: 0.4; }
@media (max-width: 1024px) { .cursor-follower { display: none; } }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 2rem;
  background: linear-gradient(to bottom, rgba(237, 232, 225, 0.95), transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  left: 50%;
  transform: translateX(-50%);
  transition: transform var(--duration-mid) var(--ease-out-expo), background var(--duration-mid);
}
.nav.scrolled { background: rgba(237, 232, 225, 0.98); }
.nav.hidden { transform: translate(-50%, -100%); }

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--duration-fast);
}
.nav-logo:hover { opacity: 0.85; }
.nav-logo img {
  height: 32px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-title);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brown-dark);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity var(--duration-fast), color var(--duration-fast);
}
.nav-links a:hover { opacity: 1; color: var(--orange-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--brown-dark);
  transition: transform var(--duration-fast);
}

/* Mobile menu: hidden on desktop (only show inside @media max-width: 768px) */
.nav-mobile-overlay,
.nav-mobile-panel {
  display: none !important;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--section-padding) 2rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 100% 80% at 50% -20%, rgba(204, 67, 35, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(183, 114, 47, 0.04) 0%, transparent 50%),
    var(--cream);
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(53, 40, 35, 0.03) 1px, transparent 0);
  background-size: 32px 32px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-eyebrow {
  font-family: var(--font-title);
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--orange-primary);
  margin-bottom: 1.5rem;
}
.hero-title {
  color: var(--brown-dark);
  margin-bottom: 1.25rem;
  line-height: 1.05;
}
.hero-title .line { display: block; }
.hero-title .line.accent { color: var(--orange-primary); }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--brown-medium);
  opacity: 0.9;
  max-width: 520px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-title);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brown-dark);
  text-decoration: none;
  padding: 1rem 1.5rem;
  border: 2px solid var(--brown-dark);
  border-radius: 2px;
  transition: background var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast);
}
.hero-cta:hover {
  background: var(--orange-primary);
  border-color: var(--orange-primary);
  color: white;
}
.hero-cta svg { transition: transform var(--duration-fast); }
.hero-cta:hover svg { transform: translateY(4px); }

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-title);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--brown-dark);
  opacity: 0.5;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--brown-dark), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="100"] { transition-delay: 0.1s; }
.reveal[data-delay="200"] { transition-delay: 0.2s; }
.reveal[data-delay="300"] { transition-delay: 0.3s; }
.reveal[data-delay="400"] { transition-delay: 0.4s; }
.reveal[data-delay="600"] { transition-delay: 0.6s; }

/* --- Section Base & Transitions --- */
.section {
  padding: var(--section-padding) 0;
  transition: opacity 1s var(--ease-out-expo), transform 1.2s var(--ease-out-expo);
}

/* Fade: classic fade-in */
.section.transition-fade {
  opacity: 0;
  transform: translateY(0);
}
.section.transition-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide up: enter from bottom */
.section.transition-slide-up {
  opacity: 0;
  transform: translateY(80px);
}
.section.transition-slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide from left */
.section.transition-slide-left {
  opacity: 0;
  transform: translateX(-80px);
}
.section.transition-slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide from right */
.section.transition-slide-right {
  opacity: 0;
  transform: translateX(80px);
}
.section.transition-slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Fade + scale */
.section.transition-fade-scale {
  opacity: 0;
  transform: scale(0.97);
}
.section.transition-fade-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Footer transition */
.footer.transition-fade {
  opacity: 0;
  transition: opacity 1s var(--ease-out-expo);
}
.footer.transition-fade.visible {
  opacity: 1;
}

.section-header {
  margin-bottom: clamp(3rem, 8vw, 5rem);
  max-width: 720px;
}
.section-number {
  display: block;
  font-family: var(--font-title);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--orange-primary);
  margin-bottom: 0.75rem;
}
.section-title {
  color: var(--brown-dark);
}

.subsection-title {
  font-family: var(--font-title);
  color: var(--brown-dark);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.lead {
  font-size: 1.15rem;
  color: var(--brown-medium);
  opacity: 0.95;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

/* --- Section Concept --- */
.section-concept {
  background: linear-gradient(180deg, var(--cream) 0%, rgba(237, 232, 225, 0.5) 50%, var(--cream) 100%);
  position: relative;
}
.section-concept::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(204, 67, 35, 0.2), transparent);
  opacity: 0.5;
}

/* Concept hero image (Unsplash) */
.concept-hero-img {
  position: relative;
  width: 100%;
  height: 45vh;
  min-height: 280px;
  max-height: 500px;
  overflow: hidden;
  margin-bottom: var(--section-padding);
}
.concept-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease-out-expo);
}
.section-concept:hover .concept-hero-img img {
  transform: scale(1.05);
}
.concept-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(26, 14, 13, 0.4) 100%);
  pointer-events: none;
}
.concept-hero-caption {
  position: absolute;
  bottom: 1rem;
  right: 1.5rem;
  font-family: var(--font-title);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

/* Concept layout */
.concept-container { padding-top: 0; }
.concept-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: 720px;
}
.concept-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}
.concept-main {
  padding-right: clamp(0, 3vw, 2rem);
}
.concept-lead {
  font-size: 1.2rem;
  color: var(--brown-dark);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-weight: 500;
}
.concept-body {
  font-size: 1rem;
  color: var(--brown-medium);
  line-height: 1.75;
}
.concept-body + .concept-body { margin-top: 1rem; }

.concept-side {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Concept images - refined */
.concept-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.concept-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(53, 40, 35, 0.08), 0 0 0 1px rgba(53, 40, 35, 0.04);
  transition: box-shadow var(--duration-mid), transform var(--duration-mid);
}
.concept-img-featured { grid-column: span 2; aspect-ratio: 21/9; }
.concept-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 14, 13, 0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--duration-mid);
  pointer-events: none;
}
.concept-img-wrap:hover .concept-img-overlay { opacity: 1; }
.concept-img-wrap:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(53, 40, 35, 0.12), 0 0 0 1px rgba(204, 67, 35, 0.15);
}
.concept-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out-expo);
}
.concept-img-wrap:hover img {
  transform: scale(1.06);
}

/* Concept cards - redesigned */
.concept-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.concept-card {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, var(--cream-warm) 100%);
  border-radius: 12px;
  border: 1px solid rgba(53, 40, 35, 0.06);
  box-shadow: 0 4px 20px rgba(53, 40, 35, 0.06);
  overflow: hidden;
  transition: transform var(--duration-mid) var(--ease-out-expo),
              box-shadow var(--duration-mid),
              border-color var(--duration-fast);
}
.concept-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--orange-primary), var(--terracotta));
  opacity: 0.9;
  border-radius: 12px 0 0 12px;
  transition: width var(--duration-mid) var(--ease-out-expo);
}
.concept-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(53, 40, 35, 0.1);
  border-color: rgba(204, 67, 35, 0.15);
}
.concept-card:hover::before {
  width: 6px;
}
.concept-card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 1rem;
  color: var(--orange-primary);
  opacity: 0.9;
  transition: transform var(--duration-mid), color var(--duration-fast);
}
.concept-card:hover .concept-card-icon {
  transform: scale(1.1);
  color: var(--orange-primary);
}
.concept-card-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.concept-card-number {
  display: block;
  font-family: var(--font-title);
  font-size: 2.75rem;
  color: var(--orange-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}
.concept-card-label {
  font-size: 0.875rem;
  color: var(--brown-medium);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.01em;
}
.concept-card-icon svg {
  width: 100%;
  height: 100%;
}

/* --- Section Bridge (parallax full-width image) --- */
.section-bridge {
  position: relative;
  width: 100%;
  height: 50vh;
  min-height: 320px;
  max-height: 560px;
  overflow: hidden;
}
.section-bridge img {
  width: 100%;
  height: 120%;
  object-fit: cover;
  transform-origin: center center;
}
.bridge-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(26, 14, 13, 0.3) 100%);
  pointer-events: none;
}

/* --- Section Identity --- */
.section-identity {
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-warm) 100%);
}
.identity-content { max-width: 100%; }
.identity-intro { margin-bottom: 2.5rem; }
.logo-reveal-block {
  margin-bottom: 3rem;
}
.logo-reveal-block p { margin-bottom: 1.5rem; color: var(--brown-medium); }

/* Identity concept cards (Diversidade, Coletividade, Humanização) */
.identity-concept-cards,
.identity-symbol-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.identity-concept-card,
.identity-symbol-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, var(--cream-warm) 100%);
  border-radius: 12px;
  padding: 1.25rem;
  border: 1px solid rgba(53, 40, 35, 0.06);
  box-shadow: 0 4px 20px rgba(53, 40, 35, 0.06);
  transition: transform var(--duration-mid) var(--ease-out-expo),
              box-shadow var(--duration-mid),
              border-color var(--duration-fast);
}
.identity-concept-card:hover,
.identity-symbol-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(53, 40, 35, 0.1);
  border-color: rgba(204, 67, 35, 0.15);
}
.identity-concept-icon,
.identity-symbol-card-icon {
  width: 15px;
  height: 15px;
  margin-bottom: 0.75rem;
  color: var(--orange-primary);
  transition: transform var(--duration-mid), color var(--duration-fast);
}
.identity-concept-card:hover .identity-concept-icon,
.identity-symbol-card:hover .identity-symbol-card-icon {
  transform: scale(1.08);
  color: var(--terracotta);
}
.identity-concept-icon svg,
.identity-symbol-card-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
.identity-concept-title,
.identity-symbol-card-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--brown-dark);
  margin-bottom: 0.5rem;
}
.identity-concept-content p,
.identity-symbol-card-text {
  font-size: 0.95rem;
  color: var(--brown-medium);
  line-height: 1.6;
}

.logo-showcase {
  margin-top: 3rem;
}
.logo-frame {
  background: white;
  border-radius: 12px;
  padding: 3rem;
  box-shadow: 0 12px 48px rgba(53, 40, 35, 0.08);
  overflow: hidden;
}
.logo-img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: contain;
  transition: transform 1.2s var(--ease-out-expo);
}
.logo-frame:hover .logo-img { transform: scale(1.02); }

/* Identity applications gallery */
.identity-applications {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(53, 40, 35, 0.08);
}
.identity-applications .subsection-title {
  margin-bottom: 0.5rem;
}
.identity-applications-intro {
  font-size: 0.95rem;
  color: var(--brown-medium);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
.identity-applications-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--brown-dark);
  margin-bottom: 1.5rem;
}
.identity-applications-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.identity-app-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: white;
  box-shadow: 0 4px 24px rgba(53, 40, 35, 0.08);
  transition: transform var(--duration-mid) var(--ease-out-expo),
              box-shadow var(--duration-mid);
}
.identity-app-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(53, 40, 35, 0.12);
}
.identity-app-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 1.2s var(--ease-out-expo);
}
.identity-app-item:hover img {
  transform: scale(1.02);
}
.identity-app-item--beige {
  background: #d7c6ae;
  padding: 1rem;
}
.identity-app-item--brown {
  background: #251714;
  padding: 1rem;
}
.identity-app-item--beige img,
.identity-app-item--brown img {
  border-radius: 4px;
}

/* --- Section Colors --- */
.section-colors {
  background: var(--brown-dark);
  color: var(--cream);
}
.section-colors .section-number { color: var(--terracotta-light); }
.section-colors .section-title { color: var(--cream); }
.colors-intro { margin-bottom: 2.5rem; }
.colors-intro .lead { color: var(--beige); }

.color-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}
.color-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--duration-fast), border-color var(--duration-fast);
}
.color-card:hover {
  transform: translateY(-6px);
  border-color: rgba(198, 131, 56, 0.4);
}
.color-swatch {
  height: 100px;
  background: var(--color);
}
.color-info {
  padding: 1.25rem;
}
.color-name {
  display: block;
  font-family: var(--font-title);
  font-size: 1rem;
  color: var(--cream);
  margin-bottom: 0.25rem;
}
.color-hex {
  display: block;
  font-size: 0.8rem;
  color: var(--beige);
  opacity: 0.9;
  margin-bottom: 0.5rem;
}
.color-desc {
  font-size: 0.85rem;
  color: var(--beige);
  opacity: 0.85;
  line-height: 1.5;
}

/* --- Section Typography --- */
.section-typography { background: var(--cream); }
.typography-intro { margin-bottom: 2.5rem; }
.font-showcase {
  display: grid;
  gap: 2.5rem;
}
.font-block {
  padding: 2rem 0;
  border-bottom: 1px solid rgba(53, 40, 35, 0.1);
}
.font-block:last-child { border-bottom: none; }
.font-label {
  display: block;
  font-family: var(--font-title);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange-primary);
  margin-bottom: 1rem;
}
.font-sample {
  font-size: clamp(1.75rem, 4vw, 3rem);
  color: var(--brown-dark);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}
.font-block.font-display .font-sample { font-family: var(--font-title); }
.font-block.font-body .font-sample { font-family: var(--font-body); font-size: 1.35rem; }
.font-desc {
  font-size: 0.95rem;
  color: var(--brown-medium);
}

/* --- Section Applications --- */
.section-applications {
  background: var(--cream-warm);
}
.applications-intro { margin-bottom: 2.5rem; }

/* Masonry mockup gallery */
.mockup-gallery {
  column-count: 3;
  column-gap: 1.5rem;
  margin-bottom: 4rem;
}
.mockup-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(53, 40, 35, 0.1);
  transition: transform var(--duration-mid);
}
.mockup-item:hover { transform: translateY(-6px); }
.mockup-frame {
  overflow: hidden;
}
.mockup-frame img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
  transition: transform 1.2s var(--ease-out-expo);
}
.mockup-item:hover .mockup-frame img { transform: scale(1.03); }
.mockup-caption {
  display: block;
  padding: 1rem 1.25rem;
  font-family: var(--font-title);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brown-dark);
  background: white;
}

.brand-assets-grid { margin-top: 4rem; }
.brand-assets-grid .subsection-title { margin-bottom: 1.5rem; }
.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.asset-grid img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(53, 40, 35, 0.08);
  transition: transform var(--duration-mid);
}
.asset-grid img:hover { transform: scale(1.02); }

/* --- Footer --- */
.footer {
  background: var(--brown-deep);
  color: var(--beige);
  padding: var(--section-padding) 2rem;
  text-align: center;
}
.footer-content { max-width: 600px; margin: 0 auto; }
.footer-title {
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--cream);
  margin-bottom: 0.75rem;
}
.footer-tagline {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}
.footer-divider {
  width: 60px;
  height: 2px;
  background: var(--orange-primary);
  margin: 0 auto 2rem;
}
.footer-credits {
  font-size: 0.85rem;
  opacity: 0.75;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .nav { padding: 1rem clamp(1.5rem, 5vw, 2rem); }
  .nav-links { gap: 1.5rem; }
}

@media (max-width: 900px) {
  .concept-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .concept-side { order: -1; }
  .concept-cards { grid-template-columns: 1fr; }
  .concept-images { grid-template-columns: 1fr; }
  
  .identity-symbol-cards { grid-template-columns: 1fr; }
  .mockup-gallery { column-count: 2; }
}
@media (max-width: 600px) {
  .identity-symbol-cards { grid-template-columns: 1fr; }
  .asset-grid { grid-template-columns: 1fr; }
  .identity-applications-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links { display: none; } /* Hide desktop links, use mobile panel */
  
  /* Mobile overlay - only visible when menu is open */
  .nav-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(26, 14, 13, 0.4);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-mid) var(--ease-out-expo);
  }
  body.menu-open .nav-mobile-overlay {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }
  
  /* Mobile panel - fixed on RIGHT edge of viewport (outside nav, no transform parent) */
  .nav-mobile-panel {
    position: fixed;
    top: 0;
    right: -320px;
    width: 280px;
    max-width: 85vw;
    height: 100vh;
    height: 100dvh;
    background: var(--cream);
    z-index: 999;
    box-shadow: none;
    transition: right var(--duration-mid) var(--ease-out-expo),
                box-shadow var(--duration-mid);
    display: flex;
    flex-direction: column;
    visibility: hidden;
    pointer-events: none;
  }
  body.menu-open .nav-mobile-panel {
    right: 0;
    visibility: visible;
    pointer-events: auto;
    box-shadow: -8px 0 32px rgba(53, 40, 35, 0.15);
  }
  
  .nav-mobile-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex: 1;
    padding: 4rem 1.5rem 2rem;
  }
  .nav-mobile-links a {
    font-family: var(--font-title);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--brown-dark);
    text-decoration: none;
    transition: color var(--duration-fast);
  }
  .nav-mobile-links a:hover { color: var(--orange-primary); }
  
  /* Close button - top right of panel */
  .nav-mobile-close {
    display: flex;
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--brown-dark);
    padding: 0;
    z-index: 10;
    border-radius: 4px;
    transition: background var(--duration-fast), color var(--duration-fast);
  }
  .nav-mobile-close:hover {
    background: rgba(53, 40, 35, 0.08);
    color: var(--orange-primary);
  }
  .nav-mobile-close svg {
    width: 24px;
    height: 24px;
  }
  
  .color-cards { grid-template-columns: repeat(2, 1fr); }
  
  .hero-cta { padding: 0.875rem 1.25rem; font-size: 0.72rem; }
}

@media (max-width: 600px) {
  .concept-cards { grid-template-columns: 1fr; }
  .concept-images { grid-template-columns: 1fr; }
  .color-cards { grid-template-columns: 1fr; }
  .identity-concept-cards { grid-template-columns: 1fr; }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}