/* ==========================================================================
   Prismatic.Works
   Magical, emergent, exploratory. Light dispersing around the room.
   ========================================================================== */

:root {
  /* Holding colors */
  --cerulean: #007BA7;
  --malachite: #0BDA51;
  --currant: #7B1E3D;
  
  /* Neutrals */
  --white: #fefefe;
  --off-white: #f8f9fa;
  --black: #0a0a0a;
  --gray: #6b7280;
  
  /* Typography */
  --font-family: 'Fraunces', georgia, serif;
  --font-size-base: clamp(1rem, 2.5vw, 1.125rem);
  --font-size-h1: clamp(3rem, 10vw, 6rem);
  --font-size-tagline: clamp(1.125rem, 2.5vw, 1.5rem);
  --font-size-small: 0.875rem;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  
  /* Animation */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration: 0.6s;
  --duration-slow: 1.2s;
}

/* Reset */

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

/* Base */

html {
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--white);
  background-color: var(--black);
  min-height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Animated Spectrum Background
   Three layers creating depth through blur and movement
   ========================================================================== */

.spectrum {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  perspective: 1000px;
  transform-style: preserve-3d;
}

.spectrum-layer {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  transform-style: preserve-3d;
}

/* Layer 1: Deep background - slow drift */

.spectrum-layer-1 {
  background: 
    radial-gradient(ellipse at 0% 0%, var(--cerulean) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, var(--currant) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 0%, var(--malachite) 0%, transparent 40%);
  filter: blur(120px);
  opacity: 0.4;
  transform: translateZ(-200px) scale(1.5);
  animation: drift1 30s ease-in-out infinite alternate;
}

/* Layer 2: Mid layer - medium movement */

.spectrum-layer-2 {
  background: 
    radial-gradient(ellipse at 20% 80%, var(--malachite) 0%, transparent 45%),
    radial-gradient(ellipse at 80% 20%, var(--cerulean) 0%, transparent 45%),
    radial-gradient(ellipse at 50% 50%, var(--currant) 0%, transparent 35%);
  filter: blur(80px);
  opacity: 0.3;
  transform: translateZ(-100px) scale(1.3);
  animation: drift2 20s ease-in-out infinite alternate;
}

/* Layer 3: Front layer - faster, more defined */

.spectrum-layer-3 {
  background: 
    radial-gradient(ellipse at 10% 50%, var(--cerulean) 0%, transparent 30%),
    radial-gradient(ellipse at 90% 50%, var(--currant) 0%, transparent 30%),
    radial-gradient(ellipse at 50% 10%, var(--malachite) 0%, transparent 25%);
  filter: blur(40px);
  opacity: 0.25;
  transform: translateZ(0) scale(1.1);
  animation: drift3 15s ease-in-out infinite alternate;
}

@keyframes drift1 {
  0% { transform: translateZ(-200px) scale(1.5) translate(0, 0) rotate(0deg); }
  100% { transform: translateZ(-200px) scale(1.5) translate(5%, 3%) rotate(2deg); }
}

@keyframes drift2 {
  0% { transform: translateZ(-100px) scale(1.3) translate(0, 0) rotate(0deg); }
  100% { transform: translateZ(-100px) scale(1.3) translate(-3%, 5%) rotate(-3deg); }
}

@keyframes drift3 {
  0% { transform: translateZ(0) scale(1.1) translate(0, 0); }
  100% { transform: translateZ(0) scale(1.1) translate(2%, -2%); }
}

/* ==========================================================================
   Holding Triggers (edge hotspots)
   ========================================================================== */

.holdings {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.holding-trigger {
  position: absolute;
  border: none;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
  transition: transform 0.3s var(--ease-out);
}

.holding-trigger:focus {
  outline: none;
}

.holding-trigger:focus-visible .holding-glow {
  opacity: 0.6;
}

.holding-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  pointer-events: none;
}

.holding-trigger:hover .holding-glow {
  opacity: 0.5;
  transform: scale(1.2);
}

/* Cerulean - left edge */

.holding-cerulean {
  left: 0;
  top: 50%;
  transform: translate(-30%, -50%);
  width: 200px;
  height: 300px;
}

.holding-cerulean .holding-glow {
  background: radial-gradient(ellipse, var(--cerulean), transparent 70%);
}

/* Malachite - top edge */

.holding-malachite {
  top: 0;
  left: 50%;
  transform: translate(-50%, -30%);
  width: 300px;
  height: 200px;
}

.holding-malachite .holding-glow {
  background: radial-gradient(ellipse, var(--malachite), transparent 70%);
}

/* Currant - right edge */

.holding-currant {
  right: 0;
  top: 50%;
  transform: translate(30%, -50%);
  width: 200px;
  height: 300px;
}

.holding-currant .holding-glow {
  background: radial-gradient(ellipse, var(--currant), transparent 70%);
}

/* ==========================================================================
   Holding Cards
   ========================================================================== */

.holding-cards {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.holding-card {
  position: absolute;
  width: min(400px, 90vw);
  background: rgb(10 10 10 / 85%);
  backdrop-filter: blur(20px);
  border-radius: 12px;
  padding: var(--space-md);
  opacity: 0;
  transform: scale(0.9) translateY(20px);
  transition: 
    opacity var(--duration) var(--ease-out),
    transform var(--duration) var(--ease-out);
  pointer-events: none;
  border: 1px solid rgb(255 255 255 / 10%);
}

.holding-card.active {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

.card-inner {
  position: relative;
}

.card-color {
  display: block;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  margin-bottom: var(--space-sm);
}

.holding-card h2 {
  font-size: 1.75rem;
  font-weight: 500;
  font-style: italic;
  margin-bottom: var(--space-xs);
}

.card-type {
  font-size: var(--font-size-small);
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.card-desc {
  color: rgb(255 255 255 / 80%);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.card-link {
  display: inline-block;
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--white);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  background: rgb(255 255 255 / 10%);
  border-radius: 4px;
  transition: background 0.2s ease;
}

.card-link:hover {
  background: rgb(255 255 255 / 20%);
}

.card-link-soon {
  color: var(--gray);
  background: transparent;
}

/* ==========================================================================
   Main Content (center)
   ========================================================================== */

main {
  position: relative;
  z-index: 5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.hero {
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  font-size: var(--font-size-h1);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-sm);
  background: linear-gradient(
    135deg,
    var(--cerulean) 0%,
    var(--malachite) 50%,
    var(--currant) 100%
  );
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeIn var(--duration-slow) var(--ease-out) 0.2s both;
}

.tagline {
  font-size: var(--font-size-tagline);
  font-weight: 300;
  color: rgb(255 255 255 / 90%);
  margin-bottom: var(--space-md);
  animation: fadeIn var(--duration-slow) var(--ease-out) 0.4s both;
}

.hint {
  font-size: var(--font-size-small);
  color: var(--gray);
  animation: fadeIn var(--duration-slow) var(--ease-out) 0.6s both, pulse 3s ease-in-out infinite 2s;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.8; }
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  padding: var(--space-sm);
  font-size: var(--font-size-small);
  color: var(--gray);
  z-index: 5;
}

/* ==========================================================================
   Selection & Utilities
   ========================================================================== */

::selection {
  background-color: var(--cerulean);
  color: var(--white);
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  .spectrum-layer,
  .hero,
  .hero h1,
  .tagline,
  .hint,
  .holding-card {
    animation: none;
  }
  
  .spectrum-layer-1,
  .spectrum-layer-2,
  .spectrum-layer-3 {
    transform: none;
  }
}