/* Novelume Motion System */

:root {
  --motion-accent: #a7a4ff;
  --motion-cyan: #73d9ff;
  --motion-duration: 650ms;
  --pointer-x: 50%;
  --pointer-y: 30%;
}

body {
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(
      600px circle at var(--pointer-x) var(--pointer-y),
      rgba(119, 103, 255, .075),
      transparent 70%
    );
}

.topbar {
  transition: background .3s ease, border-color .3s ease;
}

.topbar.is-scrolled {
  background: rgba(10, 11, 17, .94);
  border-bottom-color: rgba(167, 164, 255, .22);
}

.identity img {
  transition: transform .5s cubic-bezier(.2,.8,.2,1);
}

.identity:hover img {
  transform: rotate(-9deg) scale(1.08);
}

.nav nav a {
  position: relative;
}

.nav nav a::after {
  content: "";
  position: absolute;
  bottom: -9px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--motion-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}

.nav nav a:hover::after,
.nav nav a.active::after {
  transform: scaleX(1);
}

.hero-copy {
  animation: heroEnter .85s cubic-bezier(.2,.8,.2,1) both;
}

.hero-visual {
  animation: visualEnter 1.1s cubic-bezier(.2,.8,.2,1) both;
}

@keyframes heroEnter {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes visualEnter {
  from {
    opacity: 0;
    transform: translateY(35px) scale(.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.reveal-ready {
  opacity: 0;
  transform: translateY(35px);
  transition:
    opacity .75s ease,
    transform .75s cubic-bezier(.2,.8,.2,1);
}

.reveal-ready.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card {
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
  transition:
    transform .25s ease,
    border-color .3s ease,
    box-shadow .3s ease;
}

.project-card:hover {
  border-color: rgba(167, 164, 255, .55);
  box-shadow:
    0 25px 65px rgba(0,0,0,.25),
    0 0 35px rgba(119,103,255,.09);
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(
      350px circle at var(--card-x, 50%) var(--card-y, 50%),
      rgba(167,164,255,.09),
      transparent 70%
    );
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn span {
  transition: transform .25s ease;
}

.btn:hover span {
  transform: translate(3px, -2px);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 20%,
    rgba(255,255,255,.13) 50%,
    transparent 80%
  );
  transform: translateX(-130%);
  transition: transform .65s ease;
  pointer-events: none;
}

.btn:hover::after {
  transform: translateX(130%);
}

.gradient-text {
  background-size: 200% 200%;
  animation: gradientShift 9s ease-in-out infinite alternate;
}

@keyframes gradientShift {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}

@media (max-width: 760px) {
  .nav nav a::after {
    display: none;
  }

  .project-card {
    transform: none !important;
    will-change: auto;
  }

  .hero-copy {
    animation-duration: .6s;
  }

  .hero-visual {
    animation-duration: .7s;
  }

  body::before {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .reveal-ready {
    opacity: 1 !important;
    transform: none !important;
  }
}