/* ==========================================================================
   STUDIO // SHAPING IN PROGRESS
   Swiss Brutalist Dark Luxury System Stylesheet
   ========================================================================== */

/* --- 1. CSS Custom Properties / Design Tokens --- */
:root {
  /* Surface & Canvas Colors */
  --bg-primary: #080808;
  --bg-secondary: #0d0d0f;
  --bg-surface: rgba(14, 14, 16, 0.82);
  --bg-surface-elevated: rgba(20, 20, 24, 0.92);

  /* Typography Colors */
  --text-primary: #f4f4f4;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-dim: #3f3f46;

  /* Architectural Hairlines */
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-bright: rgba(255, 255, 255, 0.16);
  --hairline-strong: rgba(255, 255, 255, 0.32);

  /* Accents */
  --accent-emerald: #00f0aa;
  --accent-amber: #ffaa00;
  --accent-chrome-rim: rgba(255, 255, 255, 0.45);

  /* Typography Stack */
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'Space Mono', SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;

  /* Layout Dimensions */
  --header-height: 56px;
  --footer-height: 56px;
  --max-content-width: 1100px;

  /* Transitions & Animation Timings */
  --ease-brutalist: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.16s var(--ease-brutalist);
  --transition-smooth: 0.32s var(--ease-brutalist);
}

/* --- 2. CSS Reset & Viewport Normalization --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
  height: 100%;
  width: 100%;
}

body {
  min-height: 100dvh;
  height: 100dvh;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  overscroll-behavior: none;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* --- 3. Ambient Background & Procedural Film Grain --- */
.grain-overlay,
.noise-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  pointer-events: none;
  z-index: 10;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

.grid-lines {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  pointer-events: none;
  z-index: 1;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 25%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 25%, transparent 85%);
}

/* --- 4. Top Telemetry Bar --- */
.telemetry-bar {
  height: var(--header-height);
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  align-items: stretch;
  border-bottom: 1px solid var(--hairline);
  background: rgba(8, 8, 8, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  z-index: 20;
  width: 100%;
}

.telemetry-left {
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  border-right: 1px solid var(--hairline);
  min-width: 0;
}

.studio-tag,
.atelier-tag {
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 0.9vw, 0.75rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.telemetry-center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2rem;
  min-width: 0;
}

.hud-clock,
#hud-clock {
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 1vw, 0.8rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.telemetry-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
  padding: 0 1.5rem;
  border-left: 1px solid var(--hairline);
  min-width: 0;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: clamp(0.65rem, 0.85vw, 0.72rem);
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.status-dot {
  color: var(--accent-amber);
  font-size: 0.6rem;
  display: inline-block;
  line-height: 1;
  animation: statusPulse 2.4s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    filter: drop-shadow(0 0 3px var(--accent-amber));
  }
  50% {
    opacity: 0.35;
    transform: scale(0.82);
    filter: drop-shadow(0 0 0 transparent);
  }
}

.audio-toggle,
#audio-toggle {
  background: transparent;
  border: 1px solid var(--hairline-bright);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: clamp(0.65rem, 0.8vw, 0.72rem);
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem;
  border-radius: 2px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.audio-toggle:hover,
#audio-toggle:hover {
  color: var(--text-primary);
  border-color: var(--hairline-strong);
  background-color: rgba(255, 255, 255, 0.05);
}

.audio-toggle:focus-visible,
#audio-toggle:focus-visible {
  outline: 1px solid var(--accent-emerald);
  outline-offset: 2px;
}

.audio-toggle.audio-active,
#audio-toggle[data-active="true"] {
  color: var(--accent-emerald);
  border-color: rgba(0, 240, 170, 0.4);
  box-shadow: 0 0 10px rgba(0, 240, 170, 0.15);
}

/* --- 5. Center Stage / Kinetic Core --- */
.stage,
#stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
  min-height: calc(100dvh - var(--header-height) - var(--footer-height));
  width: 100%;
}

.webgl-canvas,
#webgl-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  touch-action: none;
  cursor: grab;
}

.webgl-canvas:active,
#webgl-canvas:active {
  cursor: grabbing;
}

/* --- 6. Animated CSS Mesh Gradient Fallback --- */
.fallback-canvas,
#fallback-canvas {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.fallback-canvas.fallback-active,
#fallback-canvas.fallback-active,
.fallback-active #fallback-canvas,
.fallback-active.fallback-canvas {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 45%, rgba(240, 240, 250, 0.22) 0%, rgba(160, 165, 185, 0.1) 22%, rgba(25, 30, 40, 0.5) 48%, transparent 68%),
    radial-gradient(circle at 30% 32%, rgba(0, 240, 170, 0.12) 0%, transparent 42%),
    radial-gradient(circle at 70% 65%, rgba(185, 110, 255, 0.1) 0%, transparent 48%),
    radial-gradient(circle at 50% 50%, #0d0d10 0%, #080808 82%);
  background-size: 140% 140%;
  animation: meshShift 14s ease-in-out infinite alternate;
}

.fallback-canvas.fallback-active::before,
#fallback-canvas.fallback-active::before,
.fallback-active #fallback-canvas::before {
  content: "";
  width: clamp(220px, 42vw, 380px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 28%, #ffffff 0%, #a1a1aa 24%, #3f3f46 52%, #18181b 78%, #09090b 100%);
  box-shadow:
    0 0 80px rgba(255, 255, 255, 0.07),
    inset -12px -12px 35px rgba(0, 0, 0, 0.9),
    inset 10px 10px 25px rgba(255, 255, 255, 0.35);
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.85));
  animation: fallbackPulse 7s ease-in-out infinite alternate;
  opacity: 0.9;
}

.fallback-active .webgl-canvas,
.fallback-active #webgl-canvas {
  display: none !important;
}

@keyframes meshShift {
  0% {
    background-position: 0% 40%, 100% 60%, 40% 0%, 50% 100%;
    filter: hue-rotate(0deg);
  }
  50% {
    background-position: 100% 60%, 0% 40%, 60% 100%, 50% 0%;
    filter: hue-rotate(20deg);
  }
  100% {
    background-position: 0% 40%, 100% 60%, 40% 0%, 50% 100%;
    filter: hue-rotate(0deg);
  }
}

@keyframes fallbackPulse {
  0% {
    transform: scale(1) translateY(0);
  }
  50% {
    transform: scale(1.03) translateY(-6px);
  }
  100% {
    transform: scale(1) translateY(0);
  }
}

/* --- 7. Hero Content & Swiss Editorial Typography --- */
.hero-content {
  position: relative;
  z-index: 4;
  pointer-events: none;
  text-align: center;
  max-width: var(--max-content-width);
  width: 100%;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  user-select: none;
}

.hero-content .tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 1.1vw, 0.82rem);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.8vw + 0.4rem, 6rem);
  line-height: 0.96;
  letter-spacing: -0.038em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: break-word;
  width: 100%;
  max-width: 900px;
  text-shadow:
    0 2px 20px rgba(0, 0, 0, 0.85),
    0 8px 40px rgba(0, 0, 0, 0.7);
  margin: 0.4rem 0 0.8rem;
}

.hero-content .sub {
  font-family: var(--font-display);
  font-size: clamp(0.92rem, 1.7vw, 1.32rem);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: -0.015em;
  color: #e4e4e7;
  max-width: 620px;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.8);
}

.hero-content .meta-note {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.95vw, 0.82rem);
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 520px;
  margin-top: 0.4rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

/* --- 8. Bottom Telemetry & Action Bar --- */
.bottom-bar {
  height: var(--footer-height);
  min-height: var(--footer-height);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  align-items: stretch;
  border-top: 1px solid var(--hairline);
  background: rgba(8, 8, 8, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  z-index: 20;
  width: 100%;
}

.bottom-telemetry {
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  border-right: 1px solid var(--hairline);
  min-width: 0;
}

.telemetry-node {
  font-family: var(--font-mono);
  font-size: clamp(0.65rem, 0.85vw, 0.72rem);
  letter-spacing: 0.08em;
  color: var(--text-muted);
  white-space: nowrap;
}

.bottom-action {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.5rem;
  min-width: 0;
}

.action-pill,
.status-pill,
#contact-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--hairline-bright);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 0.85vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.55rem 1.4rem;
  border-radius: 9999px;
  cursor: pointer;
  white-space: nowrap;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
}

.action-pill:hover,
.status-pill:hover,
#contact-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.action-pill:active,
.status-pill:active,
#contact-btn:active {
  transform: translateY(1px);
  background: rgba(255, 255, 255, 0.2);
}

.action-pill:focus-visible,
.status-pill:focus-visible,
#contact-btn:focus-visible {
  outline: 1px solid var(--text-primary);
  outline-offset: 2px;
}

.bottom-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  padding: 0 1.5rem;
  border-left: 1px solid var(--hairline);
  min-width: 0;
}

.social-link {
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 0.85vw, 0.75rem);
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--text-primary);
}

.social-link:focus-visible {
  outline: 1px solid var(--text-primary);
  outline-offset: 2px;
}

/* --- 9. Transient Toast Notification --- */
.toast,
#toast {
  position: fixed;
  bottom: calc(var(--footer-height) + 1.5rem);
  left: 50%;
  transform: translate(-50%, 14px) scale(0.96);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 100;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--hairline-bright);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.75),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  padding: 0.65rem 1.4rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
}

.toast.toast-visible,
.toast.active,
.toast.show,
#toast.toast-visible,
#toast.active,
#toast.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0) scale(1);
  pointer-events: auto;
}

.toast-message,
#toast-message {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.85vw, 0.76rem);
  letter-spacing: 0.08em;
  color: var(--text-primary);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.toast-message::before {
  content: "●";
  color: var(--accent-emerald);
  font-size: 0.65rem;
  line-height: 1;
}

/* --- 10. Responsive Breakpoints --- */

/* Medium Desktop & Tablet Landscape (max-width: 1024px) */
@media screen and (max-width: 1024px) {
  :root {
    --header-height: 52px;
    --footer-height: 52px;
  }

  .telemetry-bar,
  .bottom-bar {
    grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
  }

  .telemetry-left,
  .telemetry-right,
  .bottom-telemetry,
  .bottom-links {
    padding: 0 1rem;
  }
}

/* Tablet Portrait & Mobile Landscape (max-width: 860px) */
@media screen and (max-width: 860px) {
  .telemetry-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.25rem;
  }

  .telemetry-left {
    border-right: none;
    padding: 0;
  }

  .telemetry-center {
    display: none;
  }

  .telemetry-right {
    border-left: none;
    padding: 0;
    gap: 1rem;
  }

  .bottom-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.25rem;
  }

  .bottom-telemetry {
    border-right: none;
    padding: 0;
  }

  .bottom-action {
    padding: 0;
  }

  .bottom-links {
    border-left: none;
    padding: 0;
  }
}

/* Mobile Devices (max-width: 680px) */
@media screen and (max-width: 680px) {
  :root {
    --header-height: 50px;
    --footer-height: 50px;
  }

  .telemetry-bar {
    padding: 0 1rem;
  }

  .status-badge {
    display: none; /* Keep clean aesthetic on mobile, prioritize audio control */
  }

  .bottom-bar {
    padding: 0 1rem;
  }

  .bottom-telemetry {
    display: none; /* Keep clean aesthetic on mobile, prioritize contact action & links */
  }

  .hero-content {
    padding: 1.5rem 1rem;
    gap: 0.65rem;
  }

  .hero-content h1 {
    margin: 0.3rem 0 0.6rem;
    font-size: clamp(1.65rem, 8vw, 2.5rem);
    letter-spacing: -0.03em;
  }

  .hero-content .sub {
    font-size: clamp(0.88rem, 3.5vw, 1.1rem);
  }

  .toast,
  #toast {
    bottom: calc(var(--footer-height) + 1rem);
    padding: 0.6rem 1.1rem;
  }
}

/* Small Mobile Viewports (iPhone SE 375px & compact devices: max-width: 420px) */
@media screen and (max-width: 420px) {
  .telemetry-bar,
  .bottom-bar {
    padding: 0 0.85rem;
  }

  .telemetry-left {
    max-width: 62vw;
  }

  .studio-tag,
  .atelier-tag {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.68rem;
  }

  .audio-toggle,
  #audio-toggle {
    padding: 0.3rem 0.6rem;
    font-size: 0.66rem;
  }

  .action-pill,
  .status-pill,
  #contact-btn {
    padding: 0.45rem 1rem;
    font-size: 0.68rem;
    min-height: 36px;
  }

  .social-link {
    font-size: 0.68rem;
  }

  .hero-content h1 {
    font-size: clamp(1.45rem, 8.2vw, 1.85rem);
    letter-spacing: -0.025em;
  }

  .hero-content .tagline {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
  }

  .hero-content .meta-note {
    font-size: 0.68rem;
    line-height: 1.45;
  }
}

/* Ultra-wide / 4K Displays (min-width: 2560px) */
@media screen and (min-width: 2560px) {
  :root {
    --header-height: 72px;
    --footer-height: 72px;
    --max-content-width: 1600px;
  }

  .hero-content h1 {
    font-size: 7.5rem;
  }

  .hero-content .sub {
    font-size: 1.8rem;
    max-width: 860px;
  }

  .hero-content .meta-note {
    font-size: 1.1rem;
    max-width: 720px;
  }
}

/* --- 11. Accessibility & Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .status-dot {
    animation: none;
    opacity: 1;
  }

  .fallback-canvas.fallback-active,
  #fallback-canvas.fallback-active,
  .fallback-active #fallback-canvas,
  .fallback-active.fallback-canvas {
    animation: none;
  }

  .fallback-canvas.fallback-active::before,
  #fallback-canvas.fallback-active::before,
  .fallback-active #fallback-canvas::before {
    animation: none;
  }

  .toast,
  #toast {
    transition: opacity 0.12s linear, visibility 0.12s linear;
  }

  .action-pill,
  .status-pill,
  #contact-btn,
  .audio-toggle,
  #audio-toggle,
  .social-link {
    transition: none;
  }
}