/* ==========================================
   DAVINDRA PROJECTS - LUXURY ARCHITECTURE CSS
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* --- Root CSS Variables --- */
:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F8F8;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-overlay: rgba(15, 15, 15, 0.45);
  
  --text-main: #1C1C1C;
  --text-muted: #666666;
  --text-light: #888888;
  --text-inverse: #FFFFFF;

  --accent-bronze: #A67C52;
  --accent-bronze-hover: #8C653E;
  --accent-bronze-light: rgba(166, 124, 82, 0.12);

  --border-color: #EAEAEA;
  --border-dark: #333333;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.08);

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --transition-fast: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  
  --navbar-height: 90px;
  --container-width: 1320px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --bg-primary: #0A0A0A;
  --bg-secondary: #121212;
  --bg-card: #161616;
  --bg-glass: rgba(18, 18, 18, 0.85);
  --bg-overlay: rgba(0, 0, 0, 0.7);

  --text-main: #F2F2F2;
  --text-muted: #A0A0A0;
  --text-light: #777777;
  --text-inverse: #0A0A0A;

  --accent-bronze: #C59B6C;
  --accent-bronze-hover: #D4AA7B;
  --accent-bronze-light: rgba(197, 155, 108, 0.15);

  --border-color: #222222;
  --border-dark: #444444;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.5);
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background-color: var(--accent-bronze);
  color: #FFFFFF;
}

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

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

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

/* --- Layout Utility Classes --- */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.section-padding {
  padding: 120px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 80px 0;
  }
}

.grid {
  display: grid;
  gap: 30px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-20 { gap: 20px; }
.gap-30 { gap: 30px; }

/* --- Typography System --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.heading-xl {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.15;
}

.heading-lg {
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
}

.heading-md {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
}

.heading-sm {
  font-size: 1.25rem;
  font-weight: 600;
}

.text-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 300;
  max-width: 680px;
}

.bronze-text {
  color: var(--accent-bronze);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  color: var(--accent-bronze);
  margin-bottom: 12px;
}

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

/* --- Section Header --- */
.section-header {
  margin-bottom: 60px;
}

.section-header.center {
  text-align: center;
}

.section-header.center .text-sub {
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 36px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--text-main);
  color: var(--bg-primary);
  border-color: var(--text-main);
}

.btn-primary:hover {
  background-color: var(--accent-bronze);
  border-color: var(--accent-bronze);
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-dark);
}

.btn-outline:hover {
  border-color: var(--accent-bronze);
  color: var(--accent-bronze);
}

.btn-bronze {
  background-color: var(--accent-bronze);
  color: #FFFFFF;
}

.btn-bronze:hover {
  background-color: var(--accent-bronze-hover);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.75rem;
}

/* --- Header / Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), height var(--transition-normal), border-color var(--transition-normal);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: 75px;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 54px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.12));
  transition: transform var(--transition-fast);
}

.logo:hover .logo-img {
  transform: scale(1.05);
}

.logo-text-box {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--text-main);
}

.navbar:not(.scrolled) .hero-logo .logo-title {
  color: #FFFFFF;
}

.logo-tagline {
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--accent-bronze);
  margin-top: 2px;
}

/* Principal Architect Profile Card */
.architect-profile-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 48px;
  border-radius: var(--radius-sm);
  box-shadow: var(--card-shadow);
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 992px) {
  .architect-profile-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.architect-badge {
  display: inline-block;
  background-color: var(--accent-bronze-light);
  color: var(--accent-bronze);
  padding: 6px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 20px;
  margin-bottom: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-main);
  position: relative;
  padding: 8px 0;
}

.navbar:not(.scrolled) .hero-link {
  color: rgba(255, 255, 255, 0.9);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.navbar:not(.scrolled) .hero-toggle {
  color: #FFFFFF;
}

.theme-toggle:hover {
  background-color: var(--accent-bronze-light);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  font-size: 1.5rem;
}

.navbar:not(.scrolled) .hero-mobile-toggle {
  color: #FFFFFF;
}

/* Mobile Drawer */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 1001;
  padding: 100px 40px 40px;
  transition: right var(--transition-normal);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.mobile-menu-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-link {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--text-main);
}

.mobile-link:hover {
  color: var(--accent-bronze);
}

.mobile-menu-close {
  position: absolute;
  top: 30px;
  right: 30px;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-main);
  cursor: pointer;
}

@media (max-width: 992px) {
  .nav-links { display: none; }
  .mobile-nav-toggle { display: block; }
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: brightness(0.75);
  transform: scale(1.05);
  animation: heroZoom 20s infinite alternate ease-in-out;
}

@keyframes heroZoom {
  from { transform: scale(1.0); }
  to { transform: scale(1.08); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.55) 50%, rgba(0, 0, 0, 0.85) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: #FFFFFF;
  max-width: 850px;
}

.hero-title {
  color: #FFFFFF;
  margin-bottom: 24px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: rgba(255, 255, 255, 0.95);
  font-weight: 300;
  margin-bottom: 40px;
  max-width: 680px;
  line-height: 1.8;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), transparent);
  animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Page Sub-Hero Banner */
.page-hero {
  padding: 180px 0 90px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.page-hero-title {
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  margin-bottom: 16px;
}

/* --- About Preview Section --- */
.philosophy-banner {
  background-color: var(--bg-secondary);
  padding: 80px 0;
  border-y: 1px solid var(--border-color);
}

.quote-box {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.quote-text {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-style: italic;
  line-height: 1.4;
  margin-bottom: 24px;
}

/* --- Service Cards --- */
.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 40px 32px;
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--accent-bronze);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 54px;
  height: 54px;
  background-color: var(--accent-bronze-light);
  color: var(--accent-bronze);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 1.5rem;
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.service-link {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-bronze);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Services Detailed Page Section */
.service-detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--border-color);
}

.service-detail-row.reverse {
  direction: rtl;
}

.service-detail-row.reverse > * {
  direction: ltr;
}

@media (max-width: 992px) {
  .service-detail-row,
  .service-detail-row.reverse {
    grid-template-columns: 1fr;
    gap: 36px;
    direction: ltr;
  }
}

.service-img-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 4/3;
}

.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.service-detail-row:hover .service-img-wrapper img {
  transform: scale(1.04);
}

/* --- Project Portfolio Cards --- */
.portfolio-sheet {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.78fr);
  gap: 44px;
  align-items: start;
}

@media (max-width: 992px) {
  .portfolio-sheet {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.portfolio-sheet-media {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-self: start;
}

.portfolio-main-image .project-img-wrapper {
  aspect-ratio: 1.52 / 1;
}

.portfolio-thumb-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

@media (max-width: 768px) {
  .portfolio-thumb-row {
    grid-template-columns: 1fr;
  }
}

.portfolio-thumb-card .project-img-wrapper {
  aspect-ratio: 1 / 1;
}

.portfolio-sheet-copy {
  padding-top: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-self: start;
}

.portfolio-feature-tag {
  margin-top: -2px;
  margin-bottom: 22px;
  font-size: 0.96rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
}

.portfolio-sheet-text {
  max-width: 100%;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.portfolio-meta {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.portfolio-meta-item {
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.portfolio-meta-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-light);
  margin-bottom: 4px;
}

.portfolio-meta-value {
  display: block;
  font-size: 1rem;
  color: var(--text-main);
  font-weight: 500;
}

.architectural-drawing-slot {
  margin: 22px 0 26px;
}

.architectural-drawing-label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-light);
}

.architectural-drawing-empty {
  width: 100%;
  min-height: 340px;
  border: 1px dashed var(--border-color);
  background:
    linear-gradient(135deg, rgba(166, 124, 82, 0.04), rgba(166, 124, 82, 0.01)),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.02) 1px, transparent 1px, transparent 24px);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.architectural-drawing-empty img {
  max-width: 72%;
  max-height: 320px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

@media (max-width: 992px) {
  .architectural-drawing-empty img {
    max-width: 90%;
    max-height: 260px;
  }
}

/* Lightbox styles */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 4000;
}

.lightbox-backdrop.open {
  display: flex;
}

.lightbox-content {
  width: min(95vw, 1200px);
  max-height: 95vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  box-sizing: border-box;
}

.lightbox-content img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(95vh - 36px);
  display: block;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  object-fit: contain;
  background: #111;
}

.lightbox-close {
  position: absolute;
  top: -14px;
  right: -14px;
  background: var(--bg-card);
  color: var(--text-main);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.portfolio-feature-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: auto;
}

.portfolio-feature-actions .btn {
  min-width: 180px;
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 50px;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border-color);
  padding: 10px 24px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-muted);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--accent-bronze);
  border-color: var(--accent-bronze);
  color: #FFFFFF;
}

.project-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  text-align: left;
  padding: 0;
  appearance: none;
  display: block;
  width: 100%;
}

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

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(166, 124, 82, 0.35);
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.08);
}

/* Hide filtered out projects smoothly */
.project-card.hide {
  display: none;
}

/* --- Split Philosophy Section --- */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

@media (max-width: 992px) {
  .split-section {
    grid-template-columns: 1fr;
  }
}

.split-img {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Process Timelines --- */
.timeline-horizontal {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  position: relative;
  margin-top: 40px;
}

@media (max-width: 992px) {
  .timeline-horizontal {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 576px) {
  .timeline-horizontal {
    grid-template-columns: 1fr;
  }
}

.timeline-step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 30px 20px;
  position: relative;
  text-align: center;
  transition: all var(--transition-fast);
}

.timeline-step-card:hover {
  border-color: var(--accent-bronze);
  transform: translateY(-5px);
}

.step-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--accent-bronze);
  font-weight: 600;
  margin-bottom: 12px;
}

.step-title {
  font-size: 1rem;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Vertical Process Timeline */
.timeline-vertical {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline-vertical::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background-color: var(--border-color);
  transform: translateX(-50%);
}

@media (max-width: 768px) {
  .timeline-vertical::before {
    left: 30px;
  }
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 50px;
  position: relative;
  margin-bottom: 60px;
  width: 50%;
}

.timeline-item:nth-child(even) {
  align-self: flex-end;
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50px;
  margin-left: 50%;
}

@media (max-width: 768px) {
  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding-left: 80px;
    padding-right: 0;
  }
}

.timeline-marker {
  position: absolute;
  top: 0;
  right: -15px;
  width: 30px;
  height: 30px;
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-bronze);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-bronze);
  z-index: 2;
}

.timeline-item:nth-child(even) .timeline-marker {
  right: auto;
  left: -15px;
}

@media (max-width: 768px) {
  .timeline-marker,
  .timeline-item:nth-child(even) .timeline-marker {
    left: 15px;
    right: auto;
  }
}

.timeline-content-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 32px;
  border-radius: var(--radius-sm);
  box-shadow: var(--card-shadow);
}

/* --- FAQ Accordion --- */
.faq-accordion {
  max-width: 850px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.4rem;
  transition: transform var(--transition-fast);
  color: var(--accent-bronze);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-answer-inner {
  padding-bottom: 24px;
}

/* --- Testimonials --- */
.testimonial-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: var(--radius-sm);
  position: relative;
}

.quote-mark {
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--accent-bronze-light);
  line-height: 1;
  margin-bottom: -20px;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-main);
  margin-bottom: 24px;
}

/* About page - architect list */
.architect-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.architect-item {
  display: flex;
  gap: 28px;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 28px;
  border-radius: 8px;
}

.architect-thumb {
  width: 220px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  border: 2px solid var(--accent-bronze-light);
  border-radius: 6px;
  flex-shrink: 0;
}

.architect-initials {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  color: var(--accent-bronze);
  font-weight: 700;
}

.architect-info .architect-role {
  color: var(--accent-bronze);
  font-weight: 600;
  margin: 8px 0 16px;
}

.architect-info .architect-desc {
  color: var(--text-muted);
  line-height: 1.8;
}

/* Slightly smaller description text for About page */
.architect-info .architect-desc {
  font-size: 0.95rem;
}

@media (max-width: 992px) {
  .architect-item { flex-direction: column; text-align: center; }
  .architect-thumb { width: 180px; height: 220px; }
}

.testimonial-client {
  font-weight: 600;
  font-size: 0.9rem;
}

.testimonial-location {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Contact Page & Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-box {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.info-item {
  display: flex;
  gap: 20px;
}

.info-icon {
  width: 48px;
  height: 48px;
  background-color: var(--accent-bronze-light);
  color: var(--accent-bronze);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.map-container {
  width: 100%;
  height: 250px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-bronze);
  background-color: var(--bg-primary);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

/* --- CTA Banner --- */
.cta-section {
  background: linear-gradient(135deg, #1C1C1C 0%, #0D0D0D 100%);
  color: #FFFFFF;
  padding: 100px 0;
  text-align: center;
}

[data-theme="dark"] .cta-section {
  background: linear-gradient(135deg, #181818 0%, #050505 100%);
  border-y: 1px solid var(--border-color);
}

.cta-title {
  color: #FFFFFF;
  margin-bottom: 20px;
}

.cta-sub {
  color: rgba(255, 255, 255, 0.8);
  margin: 0 auto 36px;
  max-width: 600px;
}

/* --- Modal Styling --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 20px;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--bg-primary);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-sm);
  position: relative;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  transform: translateY(30px);
  transition: transform var(--transition-normal);
  padding: 40px;
}

.modal-backdrop.open .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--text-main);
  cursor: pointer;
}

.modal-body-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .modal-body-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Footer --- */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 40px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-bronze);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 16px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.social-icon:hover {
  border-color: var(--accent-bronze);
  color: var(--accent-bronze);
}

/* --- Floating Quick Action & Back to Top --- */
.floating-actions {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.floating-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--text-main);
  color: var(--bg-primary);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.floating-btn:hover {
  background-color: var(--accent-bronze);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.back-to-top {
  opacity: 0;
  visibility: hidden;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}