:root {
  --copper: #c4622a;
  --copper-light: #d4722e;
  --night: #0a0c0f;
  --night-mid: #0c0f13;
}

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

body {
  font-family: 'Instrument Sans', sans-serif;
  background: var(--night);
  color: #fff;
  overflow: hidden;
  height: 100vh;
  cursor: default;
}

/* Custom cursor glow */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196,98,42,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}

/* Custom cursor dot */
.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, opacity 0.2s;
  mix-blend-mode: difference;
}
.cursor-dot.hovering {
  transform: translate(-50%, -50%) scale(3);
  opacity: 0.6;
}

/* ===== SCENE ===== */
.scene {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Atmospheric gradients */
.scene::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(196,98,42,0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(20,40,70,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 90%, rgba(196,98,42,0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: 1;
}

/* Grain */
.scene::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 2;
}

/* Particles canvas */
#particles {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* ===== CENTER CONTENT ===== */
.center {
  position: relative;
  z-index: 10;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* Logo mark */
.logo-mark {
  width: 48px;
  height: 48px;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeIn 1s ease forwards 0.3s;
}
.logo-mark svg {
  width: 100%;
  height: 100%;
}

/* Title */
.title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(64px, 12vw, 160px);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -4px;
  margin-bottom: 16px;
  overflow: hidden;
}

.title-la {
  display: block;
  opacity: 0;
  transform: translateY(100%);
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.5s;
  color: rgba(255,255,255,0.9);
}

.title-traverse {
  display: block;
  font-style: italic;
  font-weight: 400;
  color: var(--copper);
  opacity: 0;
  transform: translateY(100%);
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.7s;
}

.subtitle {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 1.2s;
}

/* Tagline */
.tagline {
  margin-bottom: 48px;
}

.tagline-line {
  display: block;
  font-family: 'Libre Baskerville', serif;
  font-size: clamp(16px, 2vw, 20px);
  font-style: italic;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  opacity: 0;
  transform: translateY(16px);
}

.tagline-line[data-delay="0"] {
  animation: fadeUp 0.8s ease forwards 1.5s;
}
.tagline-line[data-delay="1"] {
  animation: fadeUp 0.8s ease forwards 1.7s;
}

/* Enter button */
.enter-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 40px;
  border: 1px solid rgba(255,255,255,0.2);
  background: transparent;
  color: #fff;
  text-decoration: none;
  font-family: 'Libre Baskerville', serif;
  font-size: 16px;
  cursor: pointer;
  overflow: hidden;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 2s;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.enter-btn-text {
  position: relative;
  z-index: 2;
  transition: color 0.3s;
}

.enter-btn-arrow {
  position: relative;
  z-index: 2;
  display: flex;
  transition: transform 0.3s;
}

.enter-btn-glow {
  position: absolute;
  inset: 0;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.enter-btn:hover {
  border-color: var(--copper);
  box-shadow: 0 0 60px rgba(196,98,42,0.2);
  transform: translateY(-2px);
}

.enter-btn:hover .enter-btn-glow {
  transform: scaleX(1);
}

.enter-btn:hover .enter-btn-arrow {
  transform: translateX(4px);
}

/* Bottom bar */
.bottom-bar {
  position: absolute;
  bottom: 24px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 5;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 2.4s;
  pointer-events: none;
}

.bottom-item {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 1px;
}

.bottom-sep {
  font-size: 12px;
  color: rgba(255,255,255,0.2);
}

/* Scroll hint */
.scroll-hint {
  display: none;
}

.scroll-hint-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--copper), transparent);
  animation: pulse 2s ease-in-out infinite;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.2); }
}

/* ===== PAGE TRANSITION ===== */
.scene.leaving {
  animation: sceneLeave 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes sceneLeave {
  0% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.05); filter: blur(8px); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .cursor-glow, .cursor-dot { display: none; }
  .title { letter-spacing: -2px; }
  .bottom-bar { gap: 8px; }
  .bottom-item { font-size: 10px; }
}