/* ==========================================================================
   ADC // PURE ARCHITECTURAL LINE-ART COMING SOON
   Theme: #e8b921 (Architectural Gold)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,300;0,500;0,700;1,700&family=Outfit:wght@200;300;400;600;800;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --theme-gold: #e8b921;
  --bg-color: #07090e;
  --grid-line: rgba(232, 185, 33, 0.07);
  --grid-subline: rgba(232, 185, 33, 0.02);
  --line-main: #e8b921;
  --line-main-glow: rgba(232, 185, 33, 0.4);
  --line-dim: rgba(232, 185, 33, 0.28);
  --line-accent: #ff7043;
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --hud-bg: rgba(7, 9, 14, 0.88);
  --hud-border: rgba(232, 185, 33, 0.25);
  
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-cad: 'Chakra Petch', sans-serif;
}

/* Drafting Paper Mode (White/Blueprint Aesthetic) */
body.paper-mode {
  --bg-color: #f7f9fc;
  --grid-line: rgba(15, 23, 42, 0.07);
  --grid-subline: rgba(15, 23, 42, 0.025);
  --line-main: #0f172a;
  --line-main-glow: rgba(15, 23, 42, 0.15);
  --line-dim: rgba(15, 23, 42, 0.3);
  --line-accent: #e8b921;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --hud-bg: rgba(247, 249, 252, 0.92);
  --hud-border: rgba(15, 23, 42, 0.15);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-display);
  transition: background-color 0.4s ease, color 0.4s ease;
  user-select: none;
}

/* Background Drafting Grid */
.drafting-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: 
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to right, var(--grid-subline) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-subline) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px, 12px 12px, 12px 12px;
}

/* Background Image Showcase Layer with 3D Perspective Parallax */
.architectural-bg-container {
  position: fixed;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 2vw;
}

.architectural-slide {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%) scale(1.02);
  width: 68vw;
  max-width: 1100px;
  height: auto;
  aspect-ratio: 16 / 9;
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.15s ease-out;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(232, 185, 33, 0.2);
}

.architectural-slide.active {
  opacity: 1;
}

.architectural-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: filter 0.4s ease;
}

/* Dark Mode Filter: Crisp Gold Line-Art on Dark Blueprint Paper */
body:not(.paper-mode) .architectural-slide img {
  filter: invert(0.92) hue-rotate(180deg) brightness(0.9) contrast(1.25) drop-shadow(0 0 1px #e8b921);
  mix-blend-mode: screen;
  opacity: 0.88;
}

/* White Paper Mode Filter */
body.paper-mode .architectural-slide img {
  filter: contrast(1.15) brightness(1.02);
  mix-blend-mode: multiply;
  opacity: 0.95;
}

/* Background Vignette */
.drafting-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background: radial-gradient(circle at 70% 50%, transparent 35%, rgba(7, 9, 14, 0.7) 80%, #07090e 100%);
}

body.paper-mode .drafting-vignette {
  background: radial-gradient(circle at 70% 50%, transparent 45%, rgba(247, 249, 252, 0.6) 80%, #f7f9fc 100%);
}

/* Fullscreen Laser / Line-Art Canvas */
#architectural-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 5;
  pointer-events: none;
  display: block;
}

/* Top Navigation / CAD HUD */
.top-cad-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  font-family: var(--font-mono);
  font-size: 11px;
}

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

.brand-logo-img {
  height: 46px;
  width: auto;
  max-width: 170px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(232, 185, 33, 0.25));
  transition: transform 0.2s ease, filter 0.2s ease;
}

.brand-logo-img.logo-dark-mode {
  display: block;
}

.brand-logo-img.logo-light-mode {
  display: none;
}

body.paper-mode .brand-logo-img.logo-dark-mode {
  display: none;
}

body.paper-mode .brand-logo-img.logo-light-mode {
  display: block;
}

.brand-logo-img:hover {
  transform: scale(1.03);
  filter: drop-shadow(0 0 16px rgba(232, 185, 33, 0.45));
}

.hud-center-telemetry {
  display: flex;
  gap: 24px;
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  padding: 8px 18px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
}

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

.telemetry-lbl {
  font-size: 8px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.telemetry-val {
  color: var(--line-main);
  font-weight: 700;
  font-feature-settings: 'tnum';
}

.top-controls {
  display: flex;
  gap: 10px;
}

.cad-btn {
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.cad-btn:hover {
  border-color: var(--line-main);
  color: var(--line-main);
  box-shadow: 0 0 12px var(--line-main-glow);
}

.cad-btn.active {
  border-color: var(--line-accent);
  color: var(--line-accent);
}

/* Main Center "Coming Soon" Hero Overlay */
.hero-coming-soon-layer {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 95px 40px 35px;
  pointer-events: none;
}

.hero-main-content {
  max-width: 580px;
  pointer-events: auto;
  position: relative;
}

.cad-stamp-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  background: rgba(232, 185, 33, 0.1);
  border: 1px solid rgba(232, 185, 33, 0.45);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--line-main);
  text-transform: uppercase;
  margin-bottom: 20px;
  backdrop-filter: blur(6px);
}

.cad-stamp-badge::before {
  content: '●';
  color: var(--line-accent);
  animation: blink-indicator 1.4s infinite;
}

@keyframes blink-indicator {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.main-title-coming-soon {
  font-family: var(--font-display);
  font-size: clamp(46px, 6.5vw, 84px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.title-wire-stroke {
  color: transparent;
  -webkit-text-stroke: 1.2px var(--text-primary);
  display: block;
}

.title-gold-glow {
  color: var(--line-main);
  text-shadow: 0 0 30px var(--line-main-glow);
  display: block;
}

.hero-brief-desc {
  font-size: clamp(14px, 1.15vw, 16px);
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 28px;
  font-weight: 300;
}

/* Launch Countdown Timer */
.countdown-strip {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
}

.countdown-box {
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  padding: 10px 14px;
  border-radius: 4px;
  text-align: center;
  min-width: 70px;
  backdrop-filter: blur(8px);
}

.countdown-digits {
  font-family: var(--font-cad);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown-unit {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--line-main);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 4px;
}

/* VIP Notify Input Box */
.notify-form-wrapper {
  display: flex;
  max-width: 460px;
  gap: 8px;
  margin-bottom: 12px;
}

.cad-email-input {
  flex: 1;
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  padding: 12px 16px;
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}

.cad-email-input:focus {
  border-color: var(--line-main);
  box-shadow: 0 0 16px var(--line-main-glow);
}

.cad-email-input::placeholder {
  color: var(--text-muted);
}

.cad-email-btn {
  background: var(--line-main);
  color: #07090e;
  border: none;
  padding: 0 20px;
  font-family: var(--font-cad);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.cad-email-btn:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 20px var(--line-main-glow);
  transform: translateY(-1px);
}

.notify-success-msg {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #10b981;
  margin-top: 8px;
}

/* Bottom Scene Switcher & Architectural Selector */
.bottom-scene-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: auto;
  font-family: var(--font-mono);
  font-size: 11px;
}

.scene-tabs {
  display: flex;
  gap: 8px;
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  padding: 6px;
  border-radius: 6px;
  backdrop-filter: blur(10px);
}

.scene-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.scene-tab-btn:hover {
  color: var(--text-primary);
  border-color: rgba(232, 185, 33, 0.25);
}

.scene-tab-btn.active {
  background: rgba(232, 185, 33, 0.15);
  border-color: var(--line-main);
  color: var(--line-main);
  box-shadow: 0 0 12px var(--line-main-glow);
}

body.paper-mode .scene-tab-btn.active {
  background: rgba(15, 23, 42, 0.08);
  border-color: var(--line-main);
  color: var(--line-main);
}

.scroll-hint-cad {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 10px;
  background: var(--hud-bg);
  border: 1px solid var(--hud-border);
  padding: 8px 14px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
}

.scroll-mouse-icon {
  width: 14px;
  height: 20px;
  border: 1px solid var(--line-main);
  border-radius: 8px;
  position: relative;
}

.scroll-mouse-icon::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 4px;
  background: var(--line-main);
  border-radius: 1px;
  animation: mouse-wheel 1.5s infinite;
}

@keyframes mouse-wheel {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 6px); opacity: 0; }
}

/* CAD Corner Crosshairs */
.cad-corner {
  position: fixed;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--line-dim);
  pointer-events: none;
  z-index: 25;
}
.cad-corner.tl { top: 70px; left: 24px; }
.cad-corner.tr { top: 70px; right: 24px; }
.cad-corner.bl { bottom: 24px; left: 24px; }
.cad-corner.br { bottom: 24px; right: 24px; }

/* Responsive adjustments */
@media (max-width: 900px) {
  .architectural-slide {
    width: 95vw;
    right: -15%;
    opacity: 0.6;
  }
}

@media (max-width: 768px) {
  .top-cad-bar {
    padding: 12px 16px;
  }
  .hud-center-telemetry {
    display: none;
  }
  .brand-logo-img {
    height: 36px;
  }
  .hero-coming-soon-layer {
    padding: 80px 20px 20px;
  }
  .bottom-scene-bar {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  .scene-tabs {
    flex-wrap: wrap;
    justify-content: center;
  }
  .scroll-hint-cad {
    display: none;
  }
}