/* ============================================
   ORLUMI — Design System & Global Styles
   ============================================ */

:root {
  --opal-white: #F8F7F2;
  --aurora-rose: #E7B7D8;
  --bg: #FCFBF8;
  --text: #222222;
  --crystal-blue: #B9D9FF;
  --solar-gold: #F5D78E;
  --prism-violet: #C4B5E8;
  --verdant: #A8D8B9;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-heading: 'Neue Montreal', 'Inter', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --glow-rose: 0 0 40px rgba(231, 183, 216, 0.4);
  --glow-blue: 0 0 40px rgba(185, 217, 255, 0.4);
  --glow-white: 0 0 60px rgba(248, 247, 242, 0.6);

  --transition-soft: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-glow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-height: 0;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

img, canvas {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul[role="list"] {
  list-style: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.5rem;
  background: var(--text);
  color: var(--opal-white);
  border-radius: 4px;
  font-size: 0.875rem;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 1rem;
}

/* Typography */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.section-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(0.875rem, 1.5vw, 1.125rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-top: 0.75rem;
}

.section-header {
  text-align: center;
  padding: 4rem 2rem 2rem;
  position: relative;
  z-index: 2;
}

.section-header--light {
  color: var(--opal-white);
}

.section-header--light .section-subtitle {
  opacity: 0.5;
}

/* Sections base */
.section {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}

/* ============================================
   PRISM NAVIGATION
   ============================================ */

.prism-nav {
  position: fixed;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 9000;
}

.prism-trigger {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.prism-shape {
  width: 28px;
  height: 28px;
  position: relative;
  transform-style: preserve-3d;
  animation: prism-rotate 12s linear infinite;
  transition: transform 0.6s ease;
}

.prism-nav.open .prism-shape {
  animation: none;
  transform: rotateX(60deg) rotateZ(45deg) scale(0);
  opacity: 0;
}

.prism-face {
  position: absolute;
  width: 28px;
  height: 28px;
  opacity: 0.85;
}

.prism-face--1 {
  background: linear-gradient(135deg, var(--aurora-rose), var(--crystal-blue));
  transform: rotateY(0deg) translateZ(14px);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  filter: drop-shadow(var(--glow-rose));
}

.prism-face--2 {
  background: linear-gradient(135deg, var(--crystal-blue), var(--opal-white));
  transform: rotateY(120deg) translateZ(14px);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.prism-face--3 {
  background: linear-gradient(135deg, var(--opal-white), var(--aurora-rose));
  transform: rotateY(240deg) translateZ(14px);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

@keyframes prism-rotate {
  from { transform: rotateY(0deg) rotateX(15deg); }
  to { transform: rotateY(360deg) rotateX(15deg); }
}

.nav-fragments {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.nav-fragments:not([hidden]) {
  opacity: 1;
  visibility: visible;
}

.nav-fragments li {
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.nav-fragments.open li {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.nav-fragments.open li:nth-child(1) { transition-delay: 0.05s; }
.nav-fragments.open li:nth-child(2) { transition-delay: 0.1s; }
.nav-fragments.open li:nth-child(3) { transition-delay: 0.15s; }
.nav-fragments.open li:nth-child(4) { transition-delay: 0.2s; }
.nav-fragments.open li:nth-child(5) { transition-delay: 0.25s; }
.nav-fragments.open li:nth-child(6) { transition-delay: 0.3s; }

.nav-fragments a {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--opal-white);
  padding: 0.75rem 2rem;
  position: relative;
  display: block;
  transition: color var(--transition-soft), text-shadow var(--transition-glow);
}

.nav-fragments a::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0.5rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--aurora-rose), transparent);
  transition: width 0.4s ease, left 0.4s ease;
}

.nav-fragments a:hover,
.nav-fragments a:focus-visible {
  color: var(--aurora-rose);
  text-shadow: var(--glow-rose);
  outline: none;
}

.nav-fragments a:hover::before,
.nav-fragments a:focus-visible::before {
  width: 100%;
  left: 0;
}

/* Fragment light burst on open */
.nav-fragment-burst {
  position: fixed;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--aurora-rose);
  box-shadow: 0 0 20px var(--aurora-rose), 0 0 40px var(--crystal-blue);
  pointer-events: none;
  z-index: 8999;
  animation: fragment-burst 0.8s ease forwards;
}

@keyframes fragment-burst {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(40); opacity: 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .prism-shape { animation: none; }
}