/* ============================================
   Preloader Component
   ============================================ */

body.is-loading {
  overflow: hidden;
  height: 100vh;
}

.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  /* Cool sliding up transition */
  transition: transform 0.7s cubic-bezier(0.7, 0, 0.2, 1), 
              border-radius 0.7s cubic-bezier(0.7, 0, 0.2, 1);
}

.preloader.is-hidden {
  transform: translateY(-100%);
  border-bottom-left-radius: 50vw;
  border-bottom-right-radius: 50vw;
  pointer-events: none;
}

.preloader__inner {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.preloader.is-hidden .preloader__inner {
  opacity: 0;
  transform: scale(0.9);
}

.preloader__logo {
  width: 53px;
  height: 49px;
  color: var(--color-text-primary);
  z-index: 2;
  /* Small breathing animation before completion */
  animation: preloaderBreathe 2s infinite ease-in-out;
}

@keyframes preloaderBreathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.preloader__ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg); /* Start at 12 o'clock */
}

.preloader__track {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1px;
  opacity: 0.15; /* Much softer background ring */
}

.preloader__progress {
  fill: none;
  stroke: var(--color-text-primary);
  stroke-width: 1px;
  /* 2 * PI * r = 2 * 3.14159 * 48 = ~301.59 */
  stroke-dasharray: 301.59px;
  stroke-dashoffset: 301.59px; /* Empty start */
  stroke-linecap: round;
}

/* ============================================
   Page Reveal Animation (Global)
   ============================================ */

/* Hide initially while loading or revealing */
body.is-loading .nav,
body.is-loading main,
body.is-loading .footer,
body.is-revealing .nav,
body.is-revealing main,
body.is-revealing .footer,
body.is-revealing-instant .nav,
body.is-revealing-instant main,
body.is-revealing-instant .footer {
  opacity: 0;
  filter: blur(12px);
  transform: translateY(24px);
  pointer-events: none;
}

body.is-revealing-instant .nav,
body.is-revealing-instant main,
body.is-revealing-instant .footer {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
  pointer-events: auto;
}

/* Animate in when is-revealing is added */
body.is-revealing .nav {
  animation: revealFadeBlur 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: 0.1s;
  pointer-events: auto;
}

body.is-revealing main {
  animation: revealFadeBlur 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: 0.25s;
  pointer-events: auto;
}

body.is-revealing .footer {
  animation: revealFadeBlur 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: 0.45s;
  pointer-events: auto;
}

@keyframes revealFadeBlur {
  0% {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}