/* ==========================================================================
   AURA ARCHITECTURAL ATELIER — CORE STYLESHEET
   Aesthetics: Monumental Architecture, Editorial Magazine, Warm Gold Accent
   Accent Color: #D4AF37 (Warm Architectural Gold) / #C5A880 (Amber Champagne)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Core Architectural Palette */
  --bg-black: #080809;
  --bg-charcoal: #111114;
  --bg-surface: #17171c;
  --bg-surface-elevated: #202026;
  --bg-concrete: #282830;
  --bg-card: rgba(23, 23, 28, 0.85);

  /* Text Colors */
  --text-white: #ffffff;
  --text-light: #eaeae8;
  --text-muted: #96969e;
  --text-dark-muted: #6b6b75;

  /* Accent: Warm Gold / Architectural Amber */
  --accent-gold: #d4af37;
  --accent-gold-light: #eed276;
  --accent-gold-dark: #9e7f1f;
  --accent-gold-glow: rgba(212, 175, 55, 0.35);
  --accent-gold-subtle: rgba(212, 175, 55, 0.12);
  --accent-gold-border: rgba(212, 175, 55, 0.3);

  /* Hairline Borders */
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-hairline-strong: rgba(255, 255, 255, 0.18);
  --border-gold: rgba(212, 175, 55, 0.35);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Transitions */
  --transition-fast: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.45s cubic-bezier(0.25, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

  /* Dimensions */
  --header-height: 86px;
  --container-max: 1440px;
  --container-padding: clamp(1.25rem, 5vw, 3.5rem);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-black);
  color: var(--text-white);
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-black);
  color: var(--text-light);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

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;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --- Architectural Grid Overlay --- */
.architectural-grid-lines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  max-width: var(--container-max);
  left: 50%;
  transform: translateX(-50%);
  padding: 0 var(--container-padding);
}

.architectural-grid-lines span {
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.03) 20%, rgba(255, 255, 255, 0.03) 80%, transparent);
}

/* --- Scroll Progress Bar --- */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
  z-index: 1000;
  box-shadow: 0 0 10px var(--accent-gold-glow);
  transition: width 0.1s linear;
}

/* --- Container Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
  z-index: 2;
}

/* --- Sticky Site Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 900;
  background: rgba(8, 8, 9, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth), height var(--transition-smooth);
}

.site-header.scrolled {
  height: 72px;
  background: rgba(8, 8, 9, 0.95);
  border-bottom-color: rgba(212, 175, 55, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

/* Logo */
.brand-logo {
  display: flex;
  flex-direction: column;
  letter-spacing: 0.15em;
}

.brand-logo-text {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-logo-text span {
  color: var(--accent-gold);
}

.brand-logo-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  color: var(--accent-gold);
  text-transform: uppercase;
}

/* Navigation Links */
.main-navigation {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

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

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

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

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.4rem;
  background: linear-gradient(135deg, var(--accent-gold-dark), var(--accent-gold));
  color: #080809;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
  filter: brightness(1.1);
  color: #000;
}

/* Hamburger Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-white);
  transition: transform var(--transition-smooth), opacity var(--transition-fast), background-color var(--transition-fast);
  position: absolute;
  left: 0;
}

.mobile-nav-toggle span:nth-child(1) { top: 0; }
.mobile-nav-toggle span:nth-child(2) { top: 10px; }
.mobile-nav-toggle span:nth-child(3) { top: 20px; }

.mobile-nav-toggle.open span:nth-child(1) {
  top: 10px;
  transform: rotate(45deg);
  background-color: var(--accent-gold);
}
.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle.open span:nth-child(3) {
  top: 10px;
  transform: rotate(-45deg);
  background-color: var(--accent-gold);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  background: var(--bg-charcoal);
  border-left: 1px solid var(--border-gold);
  z-index: 999;
  padding: 6rem 2rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-smooth);
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.7);
}

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

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-drawer-link {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.mobile-drawer-link:hover,
.mobile-drawer-link.active {
  color: var(--accent-gold);
  transform: translateX(8px);
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

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

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.65) contrast(1.1);
  transform: scale(1.05);
  transition: transform 10s ease-out;
}

.hero-section:hover .hero-bg-img {
  transform: scale(1.0);
}

.hero-overlay-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(8, 8, 9, 0.4) 0%, rgba(8, 8, 9, 0.6) 50%, #080809 100%),
              radial-gradient(circle at center, transparent 30%, rgba(8, 8, 9, 0.8) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 920px;
  padding: 4rem 0;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 1rem;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--accent-gold-border);
  border-radius: 40px;
  margin-bottom: 1.75rem;
}

.hero-tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-gold);
  box-shadow: 0 0 10px var(--accent-gold);
  animation: pulseGold 2s infinite ease-in-out;
}

@keyframes pulseGold {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-tag-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent-gold-light);
  text-transform: uppercase;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4.75rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-white);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero-headline .gold-accent {
  color: var(--accent-gold);
  font-style: italic;
  font-weight: 700;
}

.hero-description {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.75;
  color: var(--text-light);
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.2rem;
  background: linear-gradient(135deg, var(--accent-gold-dark), var(--accent-gold), var(--accent-gold-light));
  color: #080809;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 2px;
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(212, 175, 55, 0.5);
  filter: brightness(1.08);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.2rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-white);
  border: 1px solid var(--border-hairline-strong);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 2px;
  backdrop-filter: blur(10px);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(212, 175, 55, 0.12);
  border-color: var(--accent-gold);
  transform: translateY(-3px);
  color: var(--accent-gold-light);
}

/* Hero Metric Badges */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  border-top: 1px solid var(--border-hairline);
  padding-top: 2rem;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* --- Section Global Structure --- */
.section {
  padding: clamp(5rem, 8vw, 8.5rem) 0;
  position: relative;
  z-index: 2;
}

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

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

.section-header {
  margin-bottom: 4rem;
}

.section-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.section-subtitle::before {
  content: '//';
  color: var(--accent-gold-dark);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 650px;
  margin-top: 1rem;
}

/* --- Philosophy / Manifesto Section --- */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.philosophy-text-col {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.manifesto-lead {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  line-height: 1.35;
  font-weight: 600;
  color: var(--text-white);
}

.manifesto-lead span {
  color: var(--accent-gold);
}

.philosophy-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.pillar-card {
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

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

.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

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

.philosophy-media-col {
  position: relative;
}

.philosophy-img-wrapper {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border-hairline);
}

.philosophy-img-wrapper img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.philosophy-img-wrapper:hover img {
  transform: scale(1.04);
}

.philosophy-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--bg-charcoal);
  border: 1px solid var(--border-gold);
  padding: 1.5rem;
  max-width: 240px;
  border-radius: 2px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

.philosophy-badge-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-light);
  line-height: 1.5;
}

.philosophy-badge-text strong {
  color: var(--accent-gold);
}

/* --- Architectural Epochs & Styles Showcase --- */
.epochs-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 2.5rem;
  border-radius: 4px;
}

.epoch-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-right: 1px solid var(--border-hairline);
  padding-right: 2rem;
}

.epoch-tab-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.epoch-tab-btn .tab-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.epoch-tab-btn .tab-era {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dark-muted);
}

.epoch-tab-btn:hover {
  background: rgba(255, 255, 255, 0.03);
}

.epoch-tab-btn:hover .tab-name {
  color: var(--text-white);
}

.epoch-tab-btn.active {
  background: var(--accent-gold-subtle);
  border-color: var(--accent-gold-border);
}

.epoch-tab-btn.active .tab-name {
  color: var(--accent-gold);
  font-weight: 700;
}

.epoch-tab-btn.active .tab-era {
  color: var(--accent-gold-light);
}

.epoch-content-panel {
  display: none;
  animation: fadeIn 0.4s ease-in-out forwards;
}

.epoch-content-panel.active {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.epoch-info {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.epoch-badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.1);
  padding: 0.35rem 0.8rem;
  border-radius: 2px;
}

.epoch-heading {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.2;
}

.epoch-example {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.epoch-example strong {
  color: var(--text-light);
}

.epoch-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-light);
}

.epoch-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.epoch-features-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.epoch-features-list li::before {
  content: '◆';
  color: var(--accent-gold);
  font-size: 0.65rem;
}

.epoch-media {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border-hairline);
  height: 380px;
}

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

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

/* --- Featured Masterpieces Gallery (Portfolio Grid) --- */
.portfolio-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 1.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.6rem 1.25rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.04);
}

.filter-btn.active {
  color: #080809;
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(212, 175, 55, 0.1);
}

.portfolio-card-media {
  position: relative;
  height: 280px;
  overflow: hidden;
}

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

.portfolio-card:hover .portfolio-card-media img {
  transform: scale(1.08);
}

.card-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(8, 8, 9, 0.85);
  border: 1px solid var(--accent-gold-border);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.85rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--accent-gold-light);
  text-transform: uppercase;
}

.card-quick-view-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 9, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.portfolio-card:hover .card-quick-view-overlay {
  opacity: 1;
}

.btn-quick-view {
  padding: 0.75rem 1.5rem;
  background: var(--accent-gold);
  color: #080809;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  transform: translateY(10px);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.portfolio-card:hover .btn-quick-view {
  transform: translateY(0);
}

.portfolio-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dark-muted);
  margin-bottom: 0.75rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.card-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-hairline);
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.card-specs-link {
  color: var(--accent-gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: gap var(--transition-fast);
}

.card-specs-link:hover {
  gap: 0.7rem;
  color: var(--accent-gold-light);
}

/* --- Interactive Before/After Visualizer --- */
.before-after-container {
  max-width: 1040px;
  margin: 0 auto;
}

.before-after-wrapper {
  position: relative;
  width: 100%;
  height: 540px;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--border-hairline-strong);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  user-select: none;
}

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

.before-after-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.before-after-image.before {
  z-index: 1;
}

.before-after-image.after {
  z-index: 2;
  width: 50%;
  overflow: hidden;
  border-right: 2px solid var(--accent-gold);
}

.before-after-image.after img {
  width: 1040px;
  max-width: none;
}

.before-after-label {
  position: absolute;
  top: 1.5rem;
  padding: 0.4rem 1rem;
  background: rgba(8, 8, 9, 0.85);
  border: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-white);
  border-radius: 2px;
  text-transform: uppercase;
  z-index: 3;
}

.before-after-label.before-lbl {
  right: 1.5rem;
}

.before-after-label.after-lbl {
  left: 1.5rem;
  color: var(--accent-gold);
  border-color: var(--accent-gold-border);
}

.before-after-slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 44px;
  height: 100%;
  transform: translateX(-50%);
  z-index: 4;
  cursor: ew-resize;
  display: flex;
  align-items: center;
  justify-content: center;
}

.handle-knob {
  width: 44px;
  height: 44px;
  background: var(--accent-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--accent-gold-glow);
  color: #080809;
  font-size: 1rem;
  font-weight: 800;
}

.slider-instructions {
  text-align: center;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* --- Architectural Disciplines / Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 2.5rem 2rem;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold-dark), var(--accent-gold));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-gold-border);
  background: var(--bg-surface-elevated);
}

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

.service-number {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.service-deliverables {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--border-hairline);
  padding-top: 1.25rem;
}

.service-deliverables li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-deliverables li::before {
  content: '✓';
  color: var(--accent-gold);
  font-size: 0.75rem;
}

/* --- Architectural Design Process --- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
  margin-top: 2rem;
}

.process-step {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 2.2rem 1.75rem;
  border-radius: 2px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.process-step:hover {
  border-color: var(--accent-gold-border);
  transform: translateY(-5px);
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(212, 175, 55, 0.2);
  line-height: 1;
  margin-bottom: 1rem;
}

.process-step:hover .step-num {
  color: var(--accent-gold);
}

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

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

/* --- Global Awards & Accolades Banner --- */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.award-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 2rem 1.5rem;
  text-align: center;
  border-radius: 2px;
  transition: border-color var(--transition-fast);
}

.award-item:hover {
  border-color: var(--accent-gold-border);
}

.award-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.award-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

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

/* --- Interactive Project Consultation Form --- */
.consultation-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline-strong);
  border-radius: 4px;
  padding: clamp(2rem, 5vw, 4rem);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

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

.form-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-light);
  text-transform: uppercase;
}

.form-input,
.form-select,
.form-textarea {
  background: var(--bg-charcoal);
  border: 1px solid var(--border-hairline);
  padding: 1rem 1.25rem;
  color: var(--text-white);
  border-radius: 2px;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 12px var(--accent-gold-subtle);
}

.form-select option {
  background: var(--bg-charcoal);
  color: var(--text-white);
}

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

.typology-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.typology-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: var(--bg-charcoal);
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.typology-chip input {
  display: none;
}

.typology-chip.selected {
  background: var(--accent-gold-subtle);
  border-color: var(--accent-gold);
  color: var(--accent-gold-light);
  font-weight: 600;
}

.budget-slider-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.budget-display {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent-gold);
  font-weight: 700;
}

.budget-range-input {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-charcoal);
  border-radius: 3px;
  outline: none;
  border: 1px solid var(--border-hairline);
}

.budget-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-gold);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-gold-glow);
}

.form-submit-btn {
  grid-column: 1 / -1;
  padding: 1.2rem 2.5rem;
  background: linear-gradient(135deg, var(--accent-gold-dark), var(--accent-gold), var(--accent-gold-light));
  color: #080809;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
  margin-top: 1rem;
}

.form-submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(212, 175, 55, 0.5);
  filter: brightness(1.1);
}

/* --- Project Details Lightbox Modal --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 4, 6, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

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

.modal-content {
  background: var(--bg-charcoal);
  border: 1px solid var(--border-gold);
  border-radius: 4px;
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 30px rgba(212, 175, 55, 0.15);
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.open .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-hairline);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--accent-gold);
  color: #080809;
}

.modal-body {
  padding: clamp(2rem, 4vw, 3.5rem);
}

.modal-hero-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 2px;
  margin-bottom: 2rem;
  border: 1px solid var(--border-hairline);
}

.modal-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.modal-specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 1.5rem;
  border-radius: 2px;
  margin-bottom: 2rem;
}

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

.modal-spec-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.modal-spec-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-white);
}

.modal-narrative {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 2rem;
}

/* --- Toast Notification --- */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-charcoal);
  border: 1px solid var(--accent-gold);
  padding: 1.25rem 2rem;
  border-radius: 2px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(212, 175, 55, 0.2);
  z-index: 1200;
  transform: translateY(120px);
  opacity: 0;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 0.25rem;
}

.toast-message {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-light);
}

/* --- Architectural Footer --- */
.site-footer {
  background-color: var(--bg-charcoal);
  border-top: 1px solid var(--border-hairline);
  padding: 5rem 0 2.5rem;
  position: relative;
  z-index: 2;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

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

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-white);
  border-radius: 2px;
  flex-grow: 1;
}

.newsletter-btn {
  padding: 0.75rem 1.25rem;
  background: var(--accent-gold);
  color: #080809;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.newsletter-btn:hover {
  background: var(--accent-gold-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-hairline);
  padding-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dark-muted);
}

/* --- Back to Top Button --- */
.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  background: var(--bg-surface);
  border: 1px solid var(--border-gold);
  color: var(--accent-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.back-to-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top-btn:hover {
  background: var(--accent-gold);
  color: #080809;
  transform: translateY(-4px);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1200px) {
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .process-timeline {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 992px) {
  .main-navigation,
  .nav-cta-btn {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .epochs-container {
    grid-template-columns: 1fr;
  }
  .epoch-nav {
    border-right: none;
    border-bottom: 1px solid var(--border-hairline);
    padding-right: 0;
    padding-bottom: 1.5rem;
    flex-direction: row;
    overflow-x: auto;
  }
  .epoch-tab-btn {
    white-space: nowrap;
  }
  .epoch-content-panel.active {
    grid-template-columns: 1fr;
  }
  .epoch-media {
    height: 300px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .modal-specs-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .before-after-wrapper {
    height: 380px;
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .philosophy-badge {
    position: static;
    margin-top: 1.5rem;
    max-width: 100%;
  }
}