/* ==========================================================================
   OAKLYN INTERIORS - LUXURY ARCHITECTURAL INTERIOR MANUFACTURE
   2027 Design System: Editorial Sophistication & Engineered Precision
   ========================================================================== */

:root {
  /* Brand Palette */
  --color-ink: #13110F;
  --color-ink-subtle: #1C1917;
  --color-ink-card: #221F1C;
  --color-sand-light: #FBF9F5;
  --color-sand-bg: #F5F1EB;
  --color-sand-muted: #EBE5DC;
  --color-border-light: rgba(19, 17, 15, 0.08);
  --color-border-dark: rgba(255, 255, 255, 0.12);
  --color-border-subtle: rgba(255, 255, 255, 0.06);

  /* Signature Accents */
  --color-terracotta: #C27338;
  --color-terracotta-hover: #D68345;
  --color-terracotta-glow: rgba(194, 115, 56, 0.25);
  --color-brass: #B8865B;
  --color-gold-muted: #D1A374;
  --color-sage: #7A8E7D;

  /* Typography */
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Glassmorphism & Radii */
  --glass-bg: rgba(19, 17, 15, 0.82);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-blur: blur(18px);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease-smooth);
  --transition-normal: 0.35s var(--ease-smooth);
  --transition-spring: 0.55s var(--ease-spring);
}

/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background-color: var(--color-sand-light);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: var(--color-sand-bg);
}
::-webkit-scrollbar-thumb {
  background: #C8BFB4;
  border-radius: 4px;
  border: 2px solid var(--color-sand-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-terracotta);
}

/* Selection */
::selection {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
}

/* Typography Utility */
.font-display {
  font-family: var(--font-serif);
  font-optical-sizing: auto;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

.font-sans {
  font-family: var(--font-sans);
}

.text-terracotta {
  color: var(--color-terracotta) !important;
}

.text-brass {
  color: var(--color-brass) !important;
}

.bg-ink {
  background-color: var(--color-ink) !important;
  color: #FFFFFF;
}

.bg-ink-subtle {
  background-color: var(--color-ink-subtle) !important;
  color: #FFFFFF;
}

.bg-sand {
  background-color: var(--color-sand-bg) !important;
}

.bg-sand-light {
  background-color: var(--color-sand-light) !important;
}

.bg-terracotta {
  background-color: var(--color-terracotta) !important;
  color: #FFFFFF;
}

/* Section Spacing */
.section-padding {
  padding-top: clamp(4.5rem, 8vw, 8rem);
  padding-bottom: clamp(4.5rem, 8vw, 8rem);
}

.section-padding-sm {
  padding-top: clamp(3rem, 5vw, 5rem);
  padding-bottom: clamp(3rem, 5vw, 5rem);
}

/* Section Header Eyebrow Tag */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-terracotta);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-terracotta);
}

.eyebrow-light {
  color: var(--color-gold-muted);
}
.eyebrow-light::before {
  background-color: var(--color-gold-muted);
}

/* Display Headings */
.display-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.display-title em,
.display-title i {
  font-style: italic;
  font-weight: 400;
  color: var(--color-terracotta);
}

.display-subtitle {
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  font-weight: 400;
  line-height: 1.7;
  color: rgba(19, 17, 15, 0.72);
}

.display-subtitle-light {
  color: rgba(255, 255, 255, 0.75);
}

/* Top Notification / Contact Bar */
.top-bar {
  background-color: #0D0C0A;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 0;
  position: relative;
  z-index: 1040;
}

.top-bar a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: var(--transition-fast);
}

.top-bar a:hover {
  color: var(--color-gold-muted);
}

.top-bar-divider {
  display: inline-block;
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.18);
  margin: 0 0.85rem;
  vertical-align: middle;
}

/* Glassmorphism Header */
.main-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  transition: all 0.4s var(--ease-smooth);
  background: rgba(19, 17, 15, 0.94);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

.main-header.scrolled {
  background: rgba(13, 11, 10, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-normal);
}

@media (max-width: 768px) {
  .brand-logo-img {
    height: 30px;
  }
}

.nav-link-custom {
  color: rgba(255, 255, 255, 0.82) !important;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.6rem 0.9rem !important;
  position: relative;
  transition: var(--transition-fast);
}

.nav-link-custom:hover,
.nav-link-custom.active {
  color: #FFFFFF !important;
}

.nav-link-custom::after {
  content: "";
  position: absolute;
  bottom: 0.2rem;
  left: 0.9rem;
  right: 0.9rem;
  height: 1.5px;
  background-color: var(--color-terracotta);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease-smooth);
}

.nav-link-custom:hover::after,
.nav-link-custom.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Custom Buttons */
.btn-terracotta {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  border: 1px solid var(--color-terracotta);
  padding: 0.75rem 1.6rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: all 0.3s var(--ease-smooth);
  text-decoration: none;
}

.btn-terracotta:hover {
  background-color: var(--color-terracotta-hover);
  border-color: var(--color-terracotta-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-terracotta-glow);
}

.btn-terracotta:active {
  transform: translateY(0);
}

.btn-outline-light-custom {
  background-color: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 0.75rem 1.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: all 0.3s var(--ease-smooth);
  text-decoration: none;
}

.btn-outline-light-custom:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.85);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-dark-custom {
  background-color: transparent;
  color: var(--color-ink);
  border: 1px solid rgba(19, 17, 15, 0.3);
  padding: 0.75rem 1.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: all 0.3s var(--ease-smooth);
  text-decoration: none;
}

.btn-outline-dark-custom:hover {
  background-color: var(--color-ink);
  border-color: var(--color-ink);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  position: relative;
  background-color: var(--color-ink);
  color: #FFFFFF;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 4rem 0 5rem;
}

.hero-backdrop-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 65vw;
  height: 65vw;
  background: radial-gradient(circle, rgba(194, 115, 56, 0.12) 0%, rgba(19, 17, 15, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.9rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9999px;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--color-sand-muted);
  backdrop-filter: blur(8px);
}

.hero-pill-dot {
  width: 7px;
  height: 7px;
  background-color: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 8px #22C55E;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-image-wrapper img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform 1.2s var(--ease-smooth);
}

.hero-image-wrapper:hover img {
  transform: scale(1.03);
}

.hero-floating-card {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: rgba(19, 17, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 576px) {
  .hero-floating-card {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    margin-top: 1rem;
    flex-direction: column;
    align-items: flex-start;
  }
}

.hero-stat-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-stat-number {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-gold-muted);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.74rem;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Infinite Brand Ticker / Marquee */
.marquee-container {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  padding: 1.1rem 0;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 35s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  padding: 0 2rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.marquee-item span.divider {
  opacity: 0.45;
  font-size: 0.9rem;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
  }
}

/* Bento Metrics Section ("Who We Are") */
.bento-metric-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 2.2rem 1.8rem;
  transition: all 0.35s var(--ease-smooth);
  position: relative;
  overflow: hidden;
  height: 100%;
}

.bento-metric-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-terracotta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-smooth);
}

.bento-metric-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(19, 17, 15, 0.06);
  border-color: rgba(194, 115, 56, 0.35);
}

.bento-metric-card:hover::after {
  transform: scaleX(1);
}

.bento-metric-number {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1;
  margin-bottom: 0.6rem;
}

.bento-metric-number span {
  color: var(--color-terracotta);
}

.bento-metric-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: rgba(19, 17, 15, 0.55);
}

.bento-metric-desc {
  font-size: 0.92rem;
  color: rgba(19, 17, 15, 0.7);
  margin-top: 0.75rem;
  line-height: 1.5;
}

/* Editorial Story Card */
.editorial-story-card {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
}

.editorial-story-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.9s var(--ease-smooth);
}

.editorial-story-card:hover img {
  transform: scale(1.04);
}

.editorial-quote-badge {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(19, 17, 15, 0.92) 0%, rgba(19, 17, 15, 0.75) 60%, transparent 100%);
  color: #FFFFFF;
  padding: 2.5rem 2rem 1.8rem;
}

/* Service Cards */
.service-card {
  background: var(--color-ink-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 2.4rem 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  transition: all 0.35s var(--ease-smooth);
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(194, 115, 56, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-smooth);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(194, 115, 56, 0.45);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 54px;
  height: 54px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-muted);
  font-size: 1.45rem;
  margin-bottom: 1.6rem;
  transition: var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: var(--color-terracotta);
  border-color: var(--color-terracotta);
  color: #FFFFFF;
  transform: scale(1.05);
}

.service-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 500;
  color: #FFFFFF;
  margin-bottom: 0.85rem;
}

.service-desc {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.service-tag {
  font-size: 0.72rem;
  padding: 0.25rem 0.65rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-xs);
  color: rgba(255, 255, 255, 0.7);
}

/* Portfolio Filter Tabs */
.gallery-filter-btn {
  background: transparent;
  border: 1px solid var(--color-border-light);
  color: var(--color-ink);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.55rem 1.25rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
}

.gallery-filter-btn:hover {
  background: rgba(19, 17, 15, 0.05);
  border-color: var(--color-ink);
}

.gallery-filter-btn.active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: #FFFFFF;
}

/* Gallery Portfolio Items */
.gallery-item {
  position: relative;
  border-radius: var(--radius-xs);
  overflow: hidden;
  background-color: #000000;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.gallery-img-box {
  width: 100%;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.gallery-item.aspect-tall .gallery-img-box {
  aspect-ratio: 3 / 4;
}

.gallery-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-smooth);
}

.gallery-item:hover .gallery-img-box img {
  transform: scale(1.07);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 11, 10, 0.95) 0%, rgba(13, 11, 10, 0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: #FFFFFF;
  opacity: 0.92;
  transition: opacity 0.3s var(--ease-smooth);
}

.gallery-category-badge {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold-muted);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.gallery-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.gallery-location {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.gallery-zoom-icon {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(19, 17, 15, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(-8px);
  transition: all 0.3s var(--ease-smooth);
}

.gallery-item:hover .gallery-zoom-icon {
  opacity: 1;
  transform: translateY(0);
}

/* Facility Machine Spotlight */
.facility-card {
  background: var(--color-ink-subtle);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xs);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 0.35s var(--ease-smooth);
}

.facility-card:hover {
  transform: translateY(-5px);
  border-color: rgba(194, 115, 56, 0.5);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.facility-img-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #000000;
}

.facility-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-smooth);
}

.facility-card:hover .facility-img-wrap img {
  transform: scale(1.06);
}

.facility-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(19, 17, 15, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.28rem 0.7rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold-muted);
  font-weight: 600;
  border-radius: var(--radius-xs);
}

.facility-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.facility-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: #FFFFFF;
  margin-bottom: 0.6rem;
}

.facility-desc {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.6;
}

/* Comparison Table (Factory vs On-Site) */
.comparison-card {
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.comparison-table th {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  padding: 1.25rem 1.5rem;
}

.comparison-table td {
  padding: 1rem 1.5rem;
  font-size: 0.92rem;
  border-top: 1px solid var(--color-border-light);
}

/* Why Oaklyn Pillars */
.pillar-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 2.2rem 1.8rem;
  height: 100%;
  transition: all 0.35s var(--ease-smooth);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-terracotta);
  box-shadow: 0 16px 36px rgba(19, 17, 15, 0.06);
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 300;
  color: rgba(19, 17, 15, 0.12);
  line-height: 1;
  margin-bottom: 1rem;
  transition: var(--transition-fast);
}

.pillar-card:hover .pillar-num {
  color: var(--color-terracotta);
}

/* Step Timeline */
.step-item {
  position: relative;
  padding: 1.5rem;
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  height: 100%;
  transition: var(--transition-normal);
}

.step-item:hover {
  border-color: var(--color-terracotta);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}

.step-badge {
  width: 42px;
  height: 42px;
  background: var(--color-sand-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-terracotta);
  margin-bottom: 1.2rem;
}

/* Interactive Cost Estimator */
.estimator-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 60px rgba(19, 17, 15, 0.06);
  padding: clamp(1.8rem, 4vw, 3.5rem);
}

.estimator-option-btn {
  background: var(--color-sand-light);
  border: 1.5px solid var(--color-sand-muted);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
  width: 100%;
  height: 100%;
}

.estimator-option-btn:hover {
  border-color: var(--color-terracotta);
  background: #FFFFFF;
}

.estimator-option-btn.active {
  background: #FFFFFF;
  border-color: var(--color-terracotta);
  box-shadow: 0 8px 24px var(--color-terracotta-glow);
}

.estimator-result-box {
  background: var(--color-ink);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  height: 100%;
}

.estimator-result-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(194, 115, 56, 0.2), transparent 75%);
  pointer-events: none;
}

.estimator-price {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 500;
  color: var(--color-gold-muted);
  line-height: 1.1;
  margin: 0.8rem 0;
}

/* Testimonials */
.testimonial-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 2.2rem 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.testimonial-stars {
  color: #F59E0B;
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.testimonial-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-ink);
  margin-bottom: 1.5rem;
}

.testimonial-author {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-ink);
}

.testimonial-project {
  font-size: 0.78rem;
  color: rgba(19, 17, 15, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* FAQ Accordion */
.accordion-custom .accordion-item {
  border: 1px solid var(--color-border-light);
  margin-bottom: 0.85rem;
  border-radius: var(--radius-xs) !important;
  overflow: hidden;
  background: #FFFFFF;
}

.accordion-custom .accordion-button {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  padding: 1.4rem 1.6rem;
  color: var(--color-ink);
  background-color: #FFFFFF;
  box-shadow: none !important;
}

.accordion-custom .accordion-button:not(.collapsed) {
  color: var(--color-terracotta);
  background-color: var(--color-sand-light);
}

.accordion-custom .accordion-button::after {
  filter: grayscale(1);
  transition: transform 0.3s ease;
}

.accordion-custom .accordion-button:not(.collapsed)::after {
  filter: none;
}

.accordion-custom .accordion-body {
  padding: 0 1.6rem 1.6rem 1.6rem;
  font-size: 0.95rem;
  color: rgba(19, 17, 15, 0.75);
  line-height: 1.7;
}

/* Contact & Form */
.contact-form-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: clamp(1.8rem, 3.5vw, 3rem);
}

.form-control-custom,
.form-select-custom {
  background-color: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  color: #FFFFFF !important;
  padding: 0.85rem 1.1rem !important;
  border-radius: var(--radius-xs) !important;
  font-size: 0.92rem;
  transition: all 0.25s var(--ease-smooth);
}

.form-control-custom:focus,
.form-select-custom:focus {
  background-color: rgba(255, 255, 255, 0.08) !important;
  border-color: var(--color-terracotta) !important;
  box-shadow: 0 0 0 3px var(--color-terracotta-glow) !important;
  outline: none;
}

.form-control-custom::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-select-custom option {
  background-color: var(--color-ink-card);
  color: #FFFFFF;
}

.form-label-custom {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

/* Lightbox Modal */
.lightbox-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(8, 7, 6, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-xs);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.lightbox-caption {
  color: #FFFFFF;
  margin-top: 1rem;
  text-align: center;
}

.lightbox-close-btn,
.lightbox-prev-btn,
.lightbox-next-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s var(--ease-smooth);
}

.lightbox-close-btn:hover,
.lightbox-prev-btn:hover,
.lightbox-next-btn:hover {
  background: var(--color-terracotta);
  border-color: var(--color-terracotta);
}

.lightbox-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

.lightbox-prev-btn {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next-btn {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

/* Floating WhatsApp & Back to Top Buttons */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.whatsapp-float-btn {
  width: 58px;
  height: 58px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: all 0.3s var(--ease-spring);
  position: relative;
}

.whatsapp-float-btn:hover {
  transform: scale(1.1);
  color: #FFFFFF;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
  position: absolute;
  right: 68px;
  background: #1C1917;
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.25s ease;
}

.whatsapp-float-btn:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

.scroll-top-btn {
  width: 48px;
  height: 48px;
  background-color: var(--color-ink);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all 0.3s var(--ease-smooth);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background-color: var(--color-terracotta);
  border-color: var(--color-terracotta);
}

/* Mobile Quick Action Bar */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(19, 17, 15, 0.98);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1rem;
  z-index: 1020;
}

@media (max-width: 768px) {
  .mobile-bottom-bar {
    display: flex;
    gap: 0.6rem;
  }
  body {
    padding-bottom: 60px; /* Space for bottom bar */
  }
}

/* Footer */
.main-footer {
  background-color: #0E0C0A;
  color: rgba(255, 255, 255, 0.65);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 5rem 0 2rem;
  font-size: 0.9rem;
}

.footer-heading {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #FFFFFF;
  margin-bottom: 1.4rem;
  font-weight: 500;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gold-muted);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  margin-top: 4rem;
  font-size: 0.8rem;
}

/* Fade-in Reveal Animation on Scroll */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--ease-smooth), transform 0.75s var(--ease-smooth);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}