/* ==========================================================================
   iART Studio — Contemporary Architectural Art & Mural Atelier
   Creative Direction: Studio Noir, Natural Sand, & Artisan Emerald (#0d9668)
   Typography: Syne (Architectural Headers) + Plus Jakarta Sans (Modern UI)
   100% Mobile Responsive · Zero Horizontal Overflow · Fast Performance
   ========================================================================== */

:root {
  --bg-main: #fbfaf7;
  --bg-surface: #ffffff;
  --bg-sand: #f3f0e8;
  --bg-sand-dark: #e8e4d8;
  
  --dark-bg: #0e1014;
  --dark-surface: #171920;
  --dark-border: rgba(255, 255, 255, 0.12);
  
  --text-main: #14171d;
  --text-muted: #575e6b;
  --text-dim: #8b92a0;
  
  --border-light: #e6e2d8;
  --border-strong: #14171d;
  
  /* Brand Emerald extracted from Riaz Harf's collar trim & logo brush */
  --emerald: #0d9668;
  --emerald-light: #e8f7f0;
  --emerald-dark: #086b49;
  --ochre: #d49a26;
  
  --font-display: "Syne", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --gutter: clamp(18px, 4vw, 56px);
  --container-max: 1380px;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(17, 24, 39, 0.04);
  --shadow-md: 0 8px 24px rgba(17, 24, 39, 0.06);
  --shadow-lg: 0 16px 40px rgba(17, 24, 39, 0.09);
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Strict Overflow Lockdown */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  position: relative;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Version Switcher Bar */
.version-switcher-bar {
  background: #000000;
  color: #ffffff;
  padding: 8px var(--gutter);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  flex-wrap: wrap;
  text-align: center;
}

.version-switcher-link {
  color: #34d399;
  text-decoration: underline;
  font-weight: 700;
  transition: var(--transition);
}

.version-switcher-link:hover {
  color: #ffffff;
}

/* ==========================================================================
   Top Studio Status Bar
   ========================================================================== */
.studio-topbar {
  background: var(--dark-bg);
  color: #d1d5db;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px var(--gutter);
  border-bottom: 1px solid var(--dark-border);
}

.studio-topbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ffffff;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 0 rgba(13, 150, 104, 0.7);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(13, 150, 104, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(13, 150, 104, 0); }
  100% { box-shadow: 0 0 0 0 rgba(13, 150, 104, 0); }
}

.topbar-hubs {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #9ca3af;
}

/* ==========================================================================
   Main Studio Header & Navigation
   ========================================================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  height: 76px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-img {
  height: 42px;
  width: auto;
  border-radius: 4px;
  display: block;
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-meta-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
  line-height: 1.1;
}

.brand-meta-sub {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-item-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.04em;
  padding: 6px 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-item-link:hover {
  color: var(--emerald);
}

.nav-item-link.highlight {
  color: var(--emerald-dark);
  background: var(--emerald-light);
  padding: 5px 12px;
  border-radius: 20px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Primary and Outline Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--dark-bg);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--emerald);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(13, 150, 104, 0.25);
}

.btn-emerald {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--emerald);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(13, 150, 104, 0.2);
  white-space: nowrap;
}

.btn-emerald:hover {
  background: var(--emerald-dark);
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-main);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 11px 20px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-outline:hover {
  background: var(--text-main);
  color: #ffffff;
}

.mobile-menu-btn {
  display: none;
  padding: 8px;
  color: var(--text-main);
}

/* ==========================================================================
   Hero Slider Section (Cinema-Grade Artwork Showcase)
   ========================================================================== */
.hero-slider-section {
  position: relative;
  background: var(--dark-bg);
  color: #ffffff;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
  width: 100%;
  min-width: 0;
}

.hero-slider-wrapper {
  position: relative;
  width: 100%;
  min-width: 0;
  height: clamp(520px, 66vh, 640px);
  min-height: 480px;
  max-height: 700px;
  overflow: hidden;
  user-select: none;
}

.hero-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.65s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  align-items: center;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero-slide-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  transform: scale(1);
}

.hero-slide.active .hero-slide-bg img {
  transform: scale(1);
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg, 
    rgba(14, 16, 20, 0.4) 0%, 
    rgba(14, 16, 20, 0.72) 45%, 
    rgba(14, 16, 20, 0.94) 100%
  );
  z-index: 2;
}

.hero-slide-container {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-bottom: 50px;
}

.hero-slide-content {
  max-width: 680px;
  min-width: 0;
}

.hero-slide-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 16, 20, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a7f3d0;
  margin-bottom: 18px;
}

.hero-slide-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.2vw, 56px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: #ffffff;
  margin-bottom: 16px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
  word-break: break-word;
}

.hero-slide-title .accent-word {
  color: #34d399;
}

.hero-slide-desc {
  font-size: clamp(14.5px, 1.25vw, 16.5px);
  line-height: 1.65;
  color: #e5e7eb;
  margin-bottom: 28px;
  max-width: 580px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

.hero-slide-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  padding: 13px 22px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: #ffffff;
  color: #ffffff;
}

/* Slider Controls: Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(14, 16, 20, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}

.slider-arrow.prev { left: 24px; }
.slider-arrow.next { right: 24px; }

.slider-arrow:hover {
  background: var(--emerald);
  border-color: var(--emerald);
  transform: translateY(-50%) scale(1.08);
}

.slider-arrow svg {
  width: 20px;
  height: 20px;
}

/* Slider Bottom Controls: Counter + Indicators */
.slider-bottom-controls {
  position: absolute;
  bottom: 24px;
  right: var(--gutter);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(14, 16, 20, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.slider-counter {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: #ffffff;
}

.slider-indicators {
  display: flex;
  align-items: center;
  gap: 6px;
}

.indicator-bar {
  width: 14px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}

.indicator-bar.active {
  width: 28px;
  background: var(--emerald);
}

/* Proof Bar beneath the Slider */
.slider-proof-bar {
  background: #0b0d10;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 0;
  width: 100%;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: center;
}

.proof-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.proof-num {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.proof-sub {
  font-size: 11px;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

/* Mobile responsive for hero slider */
@media (max-width: 768px) {
  .hero-slider-wrapper {
    height: 480px;
    min-height: 440px;
  }
  .hero-slide-bg img {
    object-position: center 15% !important;
  }
  .hero-slide-container {
    padding-bottom: 72px;
  }
  .hero-slide-title {
    font-size: clamp(28px, 7.8vw, 38px);
    line-height: 1.1;
    margin-bottom: 12px;
    word-break: break-word;
  }
  .hero-slide-desc {
    font-size: 14px;
    line-height: 1.55;
    margin-bottom: 22px;
  }
  .hero-slide-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .hero-slide-actions .btn-primary,
  .hero-slide-actions .btn-ghost {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .slider-arrow {
    display: none;
  }
  .slider-bottom-controls {
    bottom: 16px;
    right: 16px;
    left: auto;
  }
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 10px;
  }
  .proof-cell {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
}

/* ==========================================================================
   Section 2: 4 Client Verticals / Clear Offerings
   ========================================================================== */
.section {
  padding: clamp(60px, 8vw, 100px) 0;
}

.section-sand {
  background-color: var(--bg-sand);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-dark {
  background-color: var(--dark-bg);
  color: #ffffff;
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: clamp(36px, 5vw, 56px);
  flex-wrap: wrap;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--emerald);
  margin-bottom: 8px;
}

.section-dark .section-tag {
  color: #34d399;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.section-dark .section-title {
  color: #ffffff;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.6;
}

.section-dark .section-subtitle {
  color: #9ca3af;
}

/* Disciplines Grid */
.disciplines-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.discipline-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 340px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.discipline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--text-main);
}

.discipline-header {
  margin-bottom: 16px;
}

.discipline-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--emerald);
  margin-bottom: 12px;
  display: block;
}

.discipline-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 8px;
}

.discipline-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

.discipline-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 18px 0 16px;
  border: 1px solid var(--border-light);
}

.discipline-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.discipline-card:hover .discipline-thumb img {
  transform: scale(1.06);
}

.discipline-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-main);
}

/* ==========================================================================
   Section 3: Verified Works Portfolio Grid (All 54 Items)
   ========================================================================== */
.portfolio-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  flex-wrap: wrap;
  width: 100%;
  max-width: 100%;
}

.filter-pills-row {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  width: 100%;
  min-width: 0;
  padding-bottom: 4px;
}

.pill-btn {
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-sand);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.pill-btn:hover {
  color: var(--text-main);
  background: var(--bg-sand-dark);
}

.pill-btn.active {
  background: var(--dark-bg);
  color: #ffffff;
}

.pill-btn .pill-count {
  font-size: 10px;
  opacity: 0.7;
  margin-left: 4px;
}

.portfolio-search-row {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  justify-content: space-between;
}

.search-field {
  position: relative;
  flex: 1;
  max-width: 360px;
}

.search-field svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-dim);
}

.search-input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--bg-sand);
  font-size: 13px;
  font-family: inherit;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s ease;
}

.search-input:focus {
  border-color: var(--emerald);
  background: #ffffff;
}

.portfolio-results-counter {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Portfolio Work Cards Grid */
.works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.art-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
}

.art-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--emerald);
}

.art-thumb-wrap {
  width: 100%;
  aspect-ratio: 4 / 3.4;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  background: var(--bg-sand);
}

.art-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.art-card:hover .art-thumb-wrap img {
  transform: scale(1.05);
}

.art-badge-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(14, 16, 20, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #ffffff;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.art-card-details {
  padding: 14px 4px 4px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.art-card-title {
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-main);
  transition: color 0.2s ease;
}

.art-card:hover .art-card-title {
  color: var(--emerald);
}

.art-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

.art-craft-stamp {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--emerald-dark);
  font-weight: 600;
  font-size: 11px;
}

/* ==========================================================================
   Section 4: Case Studies (EuroKids, Arika Resort, Indian Railways)
   ========================================================================== */
.cases-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.case-card-expanded {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.case-card-expanded.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.case-media-side {
  position: relative;
  min-height: 380px;
  background: var(--bg-sand);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.case-media-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-content-side {
  padding: clamp(32px, 5vw, 56px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-client-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--emerald);
  margin-bottom: 10px;
}

.case-heading {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-main);
  margin-bottom: 14px;
}

.case-summary {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

.case-highlights-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.case-highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
}

.check-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--emerald-light);
  color: var(--emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 800;
}

/* ==========================================================================
   Section 5: Process / How Commissions Work
   ========================================================================== */
.steps-horizontal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-box {
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.step-badge {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--ochre);
  margin-bottom: 16px;
}

.step-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 10px;
}

.step-explanation {
  font-size: 13.5px;
  color: #9ca3af;
  line-height: 1.6;
}

/* ==========================================================================
   Section 6: Consultation / Booking Section
   ========================================================================== */
.booking-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-width: 0;
  width: 100%;
}

.booking-info-pane {
  background: var(--bg-sand);
  padding: clamp(32px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--border-light);
  min-width: 0;
  word-wrap: break-word;
}

.booking-form-pane {
  padding: clamp(32px, 5vw, 64px);
  background: #ffffff;
  min-width: 0;
  word-wrap: break-word;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--bg-main);
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form-control:focus {
  border-color: var(--emerald);
  background: #ffffff;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--dark-bg);
  color: #9ca3af;
  padding: 60px 0 30px;
  border-top: 1px solid var(--dark-border);
}

.footer-columns {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--dark-border);
}

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Modal Lightbox
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(14, 16, 20, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-box {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  max-width: 960px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.lightbox-img-area {
  background: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}

.lightbox-img-area img {
  width: 100%;
  height: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox-info-area {
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.lightbox-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(14, 16, 20, 0.7);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 10;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.lightbox-close-btn:hover {
  transform: scale(1.1);
}

/* Floating WhatsApp Quick Action Button (Mobile & Desktop) */
.floating-wa-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px 12px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: transform 0.25s ease;
}

.floating-wa-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg-main);
  padding: 24px;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */
@media (max-width: 1180px) {
  .disciplines-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .works-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-columns {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 960px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .case-card-expanded,
  .case-card-expanded.reverse {
    grid-template-columns: 1fr;
  }
  .case-media-side {
    min-height: 280px;
  }
  .steps-horizontal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .booking-card {
    grid-template-columns: 1fr;
  }
  .booking-info-pane {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }
  .lightbox-box {
    grid-template-columns: 1fr;
  }
  .lightbox-img-area {
    min-height: 280px;
  }
}

@media (max-width: 768px) {
  .main-header {
    height: 68px;
  }
  .brand-meta-sub {
    display: none;
  }
  .header-actions .btn-primary {
    display: none;
  }
}

@media (max-width: 680px) {
  .btn-primary,
  .btn-secondary,
  .btn-outline,
  .btn-emerald {
    white-space: normal;
    text-align: center;
    max-width: 100%;
  }
  .case-card-expanded {
    min-width: 0;
  }
  .case-content-side {
    padding: 24px 16px;
    min-width: 0;
  }
  .case-content-side .btn-primary,
  .case-content-side .btn-emerald {
    width: 100%;
    justify-content: center;
  }
  .case-media-side {
    min-height: 240px;
    grid-template-columns: 1fr 1fr;
  }
  .hero-title {
    font-size: clamp(28px, 7.5vw, 38px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .hero-description {
    font-size: 15px;
    line-height: 1.6;
  }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .hero-work-tabs {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .work-tab-btn {
    padding: 10px 8px;
    font-size: 11.5px;
  }
  .artisan-stage-header {
    flex-wrap: wrap;
    gap: 8px;
  }
  .artisan-seal {
    font-size: 9px;
    padding: 3px 6px;
    white-space: nowrap;
  }
  .artisan-shirt-badge {
    font-size: 9px;
    padding: 4px 6px;
    bottom: 6px;
    left: 6px;
    right: 6px;
  }
  .work-preview-overlay {
    padding: 12px 8px 6px;
  }
  .work-preview-title {
    font-size: 11px;
  }
  .hero-proof-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 12px;
  }
  .disciplines-grid {
    grid-template-columns: 1fr;
  }
  .works-grid {
    grid-template-columns: 1fr;
  }
  .steps-horizontal-grid {
    grid-template-columns: 1fr;
  }
  .footer-columns {
    grid-template-columns: 1fr;
  }
  .booking-info-pane,
  .booking-form-pane {
    padding: 28px 18px;
  }
  .portfolio-search-row {
    flex-direction: column;
    align-items: stretch;
  }
  .search-field {
    max-width: 100%;
  }
  .floating-wa-btn span {
    display: none;
  }
  .floating-wa-btn {
    padding: 14px;
    bottom: 18px;
    right: 18px;
  }
  .topbar-hubs {
    display: none;
  }
}