/* ══════════════════════════════════════════
   GSAP ANIMATION BASE STATES
   GSAP sets these; CSS declares starting point
═══════════════════════════════════════════ */

/* Generic fade-up target */
.anim-fade-up {
  opacity: 0;
  transform: translateY(40px);
}

/* Clip reveal from bottom */
.anim-clip-reveal {
  clip-path: inset(100% 0 0 0);
}

/* Scale in */
.anim-scale-in {
  opacity: 0;
  transform: scale(0.94);
}

/* Char split — set by splitChars() */
.char {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  will-change: transform, opacity;
}

/* Word split wrapper */
.word-wrap {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
}

/* ══════════════════════════════════════════
   PAGE LOADER
═══════════════════════════════════════════ */
#page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  pointer-events: none;
}

#page-loader .loader-wordmark {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0;
}

#page-loader .loader-bar-track {
  width: 120px;
  height: 1px;
  background: var(--glass-border);
  position: relative;
  overflow: hidden;
}

#page-loader .loader-bar {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--text);
  animation: loader-sweep 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes loader-sweep {
  0%   { left: -100%; }
  100% { left: 100%; }
}

/* ══════════════════════════════════════════
   SECTION ENTRANCE UTILITY — applied by JS
═══════════════════════════════════════════ */

/* Each section fades in when scrolled into view */
.section-revealed {
  opacity: 1 !important;
  transform: none !important;
  clip-path: none !important;
}

/* Horizontal rule accent that animates width */
.anim-rule {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue), transparent);
  width: 0;
  margin-bottom: 0.75rem;
}

/* ══════════════════════════════════════════
   MAGNETIC HOVER — applied via JS
═══════════════════════════════════════════ */
.magnetic {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

/* ══════════════════════════════════════════
   NOISE GRAIN OVERLAY (subtle texture)
═══════════════════════════════════════════ */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: 0.025;
  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");
  background-repeat: repeat;
  background-size: 128px 128px;
}

/* ══════════════════════════════════════════
   SCROLL PROGRESS BAR
═══════════════════════════════════════════ */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
  z-index: 9990;
  transform-origin: left;
  pointer-events: none;
}

/* ══════════════════════════════════════════
   NAV BAR (minimal, appears after hero)
═══════════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 1.5rem 6vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s ease, padding 0.4s ease;
  transform: translateY(-100%);
  opacity: 0;
}

#nav.visible {
  transform: translateY(0);
  opacity: 1;
}

#nav.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 6vw;
}

.nav-logo {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 2px;
  color: var(--text) !important;
}

.nav-cta:hover {
  background: rgba(255,255,255,0.08) !important;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
}