/* ==========================================================================
   رِواق للتصميم الداخلي والتشطيبات الفاخرة | RIWAQ Luxury Interiors & Fit-Out
   Style Sheet: Modern Minimalist Arab Luxury
   Pure Vanilla CSS3 - Responsive, Semantic & RTL Optimized
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&family=Tajawal:wght@300;400;500;700&display=swap');

/* --- CSS Variables & Design System --- */
:root {
  /* Palette */
  --color-bg: #FAF9F6;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #F3F1EC;
  --color-surface-hover: #ECE9E1;
  
  --color-noir: #141413;
  --color-noir-soft: #232220;
  --color-text-main: #2C2B29;
  --color-text-muted: #6B6862;
  --color-text-light: #9B9890;

  --color-gold: #B6925B;
  --color-gold-hover: #9E7B45;
  --color-gold-light: #F7F3EB;
  --color-gold-border: #DFD3C0;

  --border-hairline: 1px solid rgba(35, 34, 32, 0.08);
  --border-hairline-dark: 1px solid rgba(255, 255, 255, 0.12);

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Elevation Shadows */
  --shadow-subtle: 0 2px 8px rgba(20, 20, 19, 0.03);
  --shadow-medium: 0 12px 32px -4px rgba(20, 20, 19, 0.06);
  --shadow-elevated: 0 24px 48px -12px rgba(20, 20, 19, 0.12);

  /* Fonts */
  --font-heading: 'Cairo', system-ui, -apple-system, sans-serif;
  --font-body: 'Tajawal', system-ui, -apple-system, sans-serif;

  /* Layout */
  --container-max: 1240px;
  --header-height: 84px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  direction: rtl;
  text-align: right;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.75;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-noir);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  position: relative;
}

.section-bg-surface {
  background-color: var(--color-surface);
}

.section-bg-dark {
  background-color: var(--color-noir);
  color: #F7F7F5;
}

.section-bg-dark h1,
.section-bg-dark h2,
.section-bg-dark h3,
.section-bg-dark h4 {
  color: #FFFFFF;
}

.section-bg-dark .text-muted {
  color: #A8A6A0;
}

/* Section Header Typography */
.section-header {
  margin-bottom: 3.5rem;
  max-width: 680px;
}

.section-header.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.editorial-number {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
  display: inline-block;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-noir);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  font-weight: 400;
  line-height: 1.8;
}

/* --- Buttons & UI Controls --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-gold);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(182, 146, 91, 0.28);
}

.btn-primary:hover {
  background-color: var(--color-gold-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(182, 146, 91, 0.35);
}

.btn-dark {
  background-color: var(--color-noir);
  color: #FFFFFF;
}

.btn-dark:hover {
  background-color: var(--color-noir-soft);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-noir);
  border: 1px solid rgba(20, 20, 19, 0.2);
}

.btn-secondary:hover {
  border-color: var(--color-noir);
  background-color: var(--color-surface);
  color: var(--color-noir);
}

.btn-secondary-white {
  background-color: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary-white:hover {
  border-color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

.btn-text-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-gold);
  font-size: 0.95rem;
}

.btn-text-arrow:hover {
  color: var(--color-gold-hover);
  gap: 0.75rem;
}

.btn-text-arrow svg {
  transition: transform var(--transition-fast);
}

.btn-text-arrow:hover svg {
  transform: translateX(-4px);
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(250, 249, 246, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border-hairline);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-subtle);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  background-color: var(--color-noir);
  color: var(--color-gold);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  border: 1px solid var(--color-gold-border);
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-noir);
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-noir-soft);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold);
}

.nav-link.active::after,
.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  border: var(--border-hairline);
  color: var(--color-noir);
  z-index: 110;
}

/* Mobile Drawer Overlay */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(20, 20, 19, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.mobile-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  right: -320px;
  width: 300px;
  max-width: 85vw;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-elevated);
  z-index: 210;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-smooth);
  overflow-y: auto;
}

.mobile-drawer.active {
  right: 0;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: var(--border-hairline);
}

.drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-surface-subtle);
  color: var(--color-noir);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-noir);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-gold);
  background-color: var(--color-gold-light);
}

.drawer-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: var(--border-hairline);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding-top: 4rem;
  padding-bottom: 5.5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  max-width: 620px;
}

.hero-badge-editorial {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-gold);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.hero-badge-editorial::before {
  content: '';
  width: 24px;
  height: 1px;
  background-color: var(--color-gold);
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-noir);
}

.hero-title span {
  color: var(--color-gold);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: var(--border-hairline);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-noir);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.hero-media-wrapper {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.hero-image-frame img {
  width: 100%;
  height: 540px;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image-frame:hover img {
  transform: scale(1.02);
}

.hero-floating-card {
  position: absolute;
  bottom: 24px;
  right: -24px;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  border: var(--border-hairline);
  box-shadow: var(--shadow-medium);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 280px;
}

.floating-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-gold-light);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-noir);
  margin-bottom: 0.15rem;
}

.floating-text p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* --- Trust Badges / Partners Section --- */
.partners-section {
  padding: 2.75rem 0;
  border-top: var(--border-hairline);
  border-bottom: var(--border-hairline);
  background-color: var(--color-surface);
}

.partners-title {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 1.75rem;
  text-transform: uppercase;
}

.partners-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem 4rem;
}

.partner-logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.partner-logo:hover {
  color: var(--color-noir);
  transform: translateY(-2px);
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  border: var(--border-hairline);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
  border-color: var(--color-gold-border);
}

.service-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-subtle);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background-color: var(--color-gold);
  color: #FFFFFF;
}

.service-index {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.service-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--color-noir);
}

.service-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

.service-features-list {
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-top: var(--border-hairline);
  padding-top: 1.25rem;
}

.service-features-list li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-features-list li svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

/* --- Portfolio Grid & Filter Tabs --- */
.portfolio-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.75rem;
}

.filter-btn {
  padding: 0.55rem 1.4rem;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background-color: transparent;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-noir);
  background-color: var(--color-surface-subtle);
}

.filter-btn.active {
  color: var(--color-noir);
  background-color: var(--color-surface);
  border-color: rgba(20, 20, 19, 0.15);
  box-shadow: var(--shadow-subtle);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-hairline);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(182, 146, 91, 0.3);
}

.project-thumbnail-wrapper {
  position: relative;
  height: 280px;
  overflow: hidden;
  background-color: var(--color-surface-subtle);
}

.project-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-thumbnail {
  transform: scale(1.05);
}

.project-actions-overlay {
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 19, 0.4);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.project-card:hover .project-actions-overlay {
  opacity: 1;
}

.project-action-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #FFFFFF;
  color: var(--color-noir);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.project-action-btn:hover {
  background-color: var(--color-gold);
  color: #FFFFFF;
  transform: scale(1.08);
}

.project-info {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--color-noir);
}

.project-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.project-footer-link {
  margin-top: auto;
  padding-top: 1rem;
  border-top: var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-gold);
}

/* --- Awards & Recognitions --- */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.award-card {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  text-align: center;
  transition: transform var(--transition-fast);
}

.award-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-border);
}

.award-icon-box {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background-color: var(--color-gold-light);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.award-year {
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.award-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-noir);
  margin-bottom: 0.5rem;
}

.award-issuer {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Process Steps --- */
.process-steps-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.step-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  border: var(--border-hairline);
  position: relative;
  transition: all var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: var(--color-gold-border);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-surface-hover);
  line-height: 1;
  margin-bottom: 1.25rem;
  transition: color var(--transition-fast);
}

.step-card:hover .step-number {
  color: var(--color-gold);
}

.step-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-noir);
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Service Areas Section --- */
.service-areas-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 3rem;
}

.areas-list-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.area-badge {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-noir-soft);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.area-badge:hover {
  border-color: var(--color-gold);
  background-color: var(--color-gold-light);
  color: var(--color-gold-hover);
  transform: translateY(-2px);
}

.area-badge svg {
  color: var(--color-gold);
}

.riyadh-map-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: var(--border-hairline);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  border: var(--border-hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  color: #D9A74A;
  margin-bottom: 1.25rem;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-main);
  margin-bottom: 1.75rem;
  font-style: normal;
}

.testimonial-author-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: var(--border-hairline);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-gold-border);
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-noir);
}

.author-info p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* --- Interactive Before & After Slider --- */
.before-after-wrapper {
  margin: 2.5rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-hairline);
  box-shadow: var(--shadow-medium);
  background-color: var(--color-surface);
}

.before-after-container {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  user-select: none;
  touch-action: pan-y;
  cursor: ew-resize;
}

.before-after-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.before-after-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 50%;
  overflow: hidden;
  transition: width 0.05s ease-out;
}

.before-after-overlay .before-after-image {
  width: 100%;
  height: 100%;
  max-width: none;
}

.before-after-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background-color: #FFFFFF;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
  transform: translateX(-50%);
  cursor: ew-resize;
  z-index: 10;
  transition: left 0.05s ease-out;
}

.before-after-handle-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #FFFFFF;
  color: var(--color-noir);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.before-after-badge {
  position: absolute;
  bottom: 20px;
  padding: 0.4rem 1rem;
  background: rgba(20, 20, 19, 0.7);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 5;
  pointer-events: none;
}

.badge-before {
  left: 20px;
}

.badge-after {
  right: 20px;
}

/* --- FAQ Accordion --- */
.faq-accordion-group {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.accordion-item.active {
  border-color: var(--color-gold-border);
  box-shadow: var(--shadow-subtle);
}

.accordion-header {
  width: 100%;
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: right;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-noir);
  background: transparent;
  transition: color var(--transition-fast);
}

.accordion-header:hover {
  color: var(--color-gold);
}

.accordion-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-surface-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-noir);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  background-color: var(--color-gold);
  color: #FFFFFF;
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  padding: 0 1.5rem;
}

.accordion-item.active .accordion-body {
  padding: 0 1.5rem 1.5rem 1.5rem;
}

.accordion-body p {
  color: var(--color-text-muted);
  line-height: 1.8;
  font-size: 0.98rem;
}

/* --- Form Styles & Contact --- */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.form-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2.75rem 2.25rem;
  border: var(--border-hairline);
  box-shadow: var(--shadow-subtle);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-full {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-noir);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background-color: var(--color-surface-subtle);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--color-noir);
  outline: none;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background-color: #FFFFFF;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(182, 146, 91, 0.15);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #E53E3E;
  background-color: #FFF5F5;
}

.form-error-msg {
  font-size: 0.8rem;
  color: #E53E3E;
  display: none;
}

.form-error-msg.visible {
  display: block;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card-box {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  border: var(--border-hairline);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-gold-light);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-details h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-item-details p,
.contact-item-details a {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Estimator Calculator Widget --- */
.estimator-card {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-medium);
  margin-top: 3.5rem;
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.range-slider-wrapper {
  margin-top: 1rem;
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-surface-subtle);
  outline: none;
  accent-color: var(--color-gold);
  cursor: pointer;
}

.estimator-result-box {
  background-color: var(--color-noir);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 2.25rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.estimator-result-box h4 {
  color: var(--color-gold);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.estimated-price {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
}

.estimated-meta {
  font-size: 0.85rem;
  color: #A8A6A0;
  margin-bottom: 1.5rem;
}

/* --- Team & Blog Cards --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.team-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-hairline);
  transition: transform var(--transition-fast);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.team-photo-frame {
  height: 320px;
  overflow: hidden;
  background-color: var(--color-surface-subtle);
}

.team-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.team-card:hover .team-photo {
  transform: scale(1.04);
}

.team-info {
  padding: 1.5rem;
  text-align: center;
}

.team-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: 0.88rem;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.team-bio {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.blog-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-hairline);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.blog-thumb-frame {
  height: 220px;
  overflow: hidden;
}

.blog-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-card:hover .blog-thumb {
  transform: scale(1.05);
}

.blog-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  font-size: 0.82rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.blog-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  color: var(--color-noir);
}

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* --- Project Detail Page Elements --- */
.project-spec-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  margin-bottom: 3.5rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.spec-value {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-noir);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.material-card {
  background-color: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.material-swatch {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.material-details h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.material-details p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* --- Lightbox Modal --- */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 14, 0.92);
  backdrop-filter: blur(10px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 1.5rem;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content-box {
  position: relative;
  max-width: 1000px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  margin-top: 1rem;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -45px;
  right: 0;
  width: 40px;
  height: 40px;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox-arrow:hover {
  background: var(--color-gold);
}

.lightbox-arrow.prev {
  right: -60px;
}

.lightbox-arrow.next {
  left: -60px;
}

/* --- Floating Actions: WhatsApp & Back to Top --- */
.floating-actions-container {
  position: fixed;
  bottom: 28px;
  left: 28px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 90;
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-fast);
}

.float-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}

.float-whatsapp:hover {
  transform: scale(1.08);
  background-color: #20BA5A;
}

.float-back-top {
  background-color: var(--color-noir);
  color: #FFFFFF;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

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

.float-back-top:hover {
  background-color: var(--color-gold);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-noir);
  color: #D1CFCA;
  padding-top: 5rem;
  padding-bottom: 2.5rem;
  margin-top: auto;
  border-top: var(--border-hairline-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #9C9A94;
  margin-top: 1.25rem;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  color: #A8A6A0;
  font-size: 0.92rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-gold);
  transform: translateX(-4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: #A8A6A0;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.footer-contact-item svg {
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: var(--border-hairline-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: #7A7873;
}

/* Modal Feedback Toast */
.toast-notice {
  position: fixed;
  bottom: 30px;
  right: 50%;
  transform: translateX(50%) translateY(30px);
  background-color: var(--color-noir);
  color: #FFFFFF;
  padding: 1rem 1.75rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-elevated);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  z-index: 600;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--color-gold);
}

.toast-notice.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(50%) translateY(0);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-media-wrapper {
    order: -1;
  }
  .hero-floating-card {
    right: 12px;
    bottom: 12px;
  }
  .service-areas-grid {
    grid-template-columns: 1fr;
  }
  .contact-layout-grid {
    grid-template-columns: 1fr;
  }
  .estimator-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .main-nav, .header-cta-btn {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  .hero {
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero-stats-row {
    grid-template-columns: 1fr 1fr;
  }
  .before-after-container {
    height: 380px;
  }
  .lightbox-arrow.prev {
    right: 10px;
  }
  .lightbox-arrow.next {
    left: 10px;
  }
  .floating-actions-container {
    bottom: 20px;
    left: 20px;
  }
}