/* ════════════════════════════════════════════════
   AMASHIFT — effects.css
   ReactBits-inspired animation & component effects
   ════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════
   SILK BACKGROUND (WebGL canvas)
   ═══════════════════════════════════════════════ */
.silk-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}
@media (prefers-color-scheme: light) {
  .silk-bg { opacity: 0.22; }
}
.silk-bg canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ═══════════════════════════════════════════════
   BLUR TEXT
   ═══════════════════════════════════════════════ */
[data-blur-text] .blur-word {
  display: inline-block;
  opacity: 0;
  filter: blur(8px);
  transform: translateY(8px);
  transition: opacity 0.5s ease, filter 0.5s ease, transform 0.5s ease;
}
[data-blur-text].is-visible .blur-word {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════
   SHINY TEXT
   ═══════════════════════════════════════════════ */
.shiny-text {
  background: linear-gradient(
    120deg,
    var(--text-heading) 40%,
    var(--accent) 50%,
    var(--text-heading) 60%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shinySlide 3s linear infinite;
}
@keyframes shinySlide {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ═══════════════════════════════════════════════
   TEXT TYPE — Cursor blink
   ═══════════════════════════════════════════════ */
.text-type-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursorBlink 0.6s ease-in-out infinite;
}
@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* ═══════════════════════════════════════════════
   CURVED LOOP (SVG marquee on curve)
   ═══════════════════════════════════════════════ */
.curved-loop {
  width: 100%;
  overflow: hidden;
  padding: 20px 0;
  opacity: 0.12;
}
.curved-loop svg {
  width: 100%;
  min-width: 1200px;
  height: auto;
  display: block;
}
.curved-loop text {
  fill: var(--text-dim);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════
   SCROLL FLOAT (per-character)
   ═══════════════════════════════════════════════ */
[data-scroll-float] .sf-char {
  display: inline-block;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.6s ease,
              filter 0.6s ease;
}

/* ═══════════════════════════════════════════════
   SCROLL REVEAL TEXT (per-word)
   ═══════════════════════════════════════════════ */
[data-scroll-reveal-text] {
  line-height: 1.18;
}
[data-scroll-reveal-text] .sr-word {
  display: inline-block;
  opacity: 0.1;
  filter: blur(4px);
  transition: opacity 0.35s ease, filter 0.35s ease;
}
[data-scroll-reveal-text] .sr-word.is-revealed {
  opacity: 1;
  filter: blur(0);
}

/* ═══════════════════════════════════════════════
   ROTATING TEXT
   ═══════════════════════════════════════════════ */
.rotating-text {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  height: 1.5em;
}
.rotating-text-inner {
  display: inline-block;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.3s ease;
}
.rotating-text-inner.exit-up {
  transform: translateY(-110%);
  opacity: 0;
}
.rotating-text-inner.enter-up {
  transform: translateY(100%);
  opacity: 0;
}

/* ═══════════════════════════════════════════════
   LOGO LOOP (infinite marquee)
   ═══════════════════════════════════════════════ */
.logo-loop {
  overflow: hidden;
  position: relative;
}
.logo-loop::before,
.logo-loop::after {
  content: '';
  position: absolute;
  top: 0;
  width: 80px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.logo-loop::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-primary), transparent);
}
.logo-loop::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-primary), transparent);
}
.logo-loop-track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  animation: logoScroll 25s linear infinite;
}
.logo-loop:hover .logo-loop-track {
  animation-play-state: paused;
}
.logo-loop-item {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0.5;
  transition: opacity 0.3s ease, color 0.3s ease;
  cursor: default;
}
.logo-loop-item:hover {
  opacity: 1;
  color: var(--accent);
}
.logo-loop-item svg {
  width: 32px;
  height: 32px;
}
.logo-loop-item span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--perf-bar-color);
}
@keyframes logoScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ═══════════════════════════════════════════════
   GRADUAL BLUR (multi-layer section edge)
   ═══════════════════════════════════════════════ */
.gradual-blur {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  z-index: 3;
  pointer-events: none;
  display: flex;
  flex-direction: column;
}
.gradual-blur-layer {
  flex: 1;
  width: 100%;
}
.gradual-blur-layer:nth-child(1) { -webkit-backdrop-filter: blur(0.5px); backdrop-filter: blur(0.5px); }
.gradual-blur-layer:nth-child(2) { -webkit-backdrop-filter: blur(1.5px); backdrop-filter: blur(1.5px); }
.gradual-blur-layer:nth-child(3) { -webkit-backdrop-filter: blur(3px);   backdrop-filter: blur(3px); }
.gradual-blur-layer:nth-child(4) { -webkit-backdrop-filter: blur(6px);   backdrop-filter: blur(6px); }
.gradual-blur-layer:nth-child(5) { -webkit-backdrop-filter: blur(12px);  backdrop-filter: blur(12px); }

/* ═══════════════════════════════════════════════
   FLUID GLASS / LIQUID GLASS (iPhone-style)
   ═══════════════════════════════════════════════ */
.glass-card {
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  backdrop-filter: blur(20px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
@media (prefers-color-scheme: light) {
  .glass-card {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(255, 255, 255, 0.7);
    box-shadow:
      0 8px 32px rgba(0, 0, 0, 0.04),
      inset 0 1px 0 rgba(255, 255, 255, 0.9);
  }
}

/* ═══════════════════════════════════════════════
   BORDER GLOW (cursor-following edge glow)
   ═══════════════════════════════════════════════ */
.border-glow {
  position: relative;
}
.border-glow::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(
    600px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(0, 163, 255, var(--glow-opacity, 0)),
    transparent 40%
  );
  z-index: 0;
  pointer-events: none;
  transition: --glow-opacity 0.3s ease;
}

/* ═══════════════════════════════════════════════
   GLASS ICONS
   ═══════════════════════════════════════════════ */
.glass-icon {
  background: rgba(0, 163, 255, 0.06);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  backdrop-filter: blur(12px) saturate(1.4);
  border-color: rgba(0, 163, 255, 0.15);
  box-shadow:
    0 4px 16px rgba(0, 163, 255, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
@media (prefers-color-scheme: light) {
  .glass-icon {
    background: rgba(0, 163, 255, 0.08);
    box-shadow:
      0 4px 16px rgba(0, 163, 255, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.5);
  }
}

/* ═══════════════════════════════════════════════
   STEPPER
   ═══════════════════════════════════════════════ */
.stepper {
  display: flex;
  align-items: flex-start;
}
.stepper-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.stepper-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
  cursor: pointer;
}
.stepper-step.active .stepper-circle,
.stepper-step.completed .stepper-circle {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.stepper-step.active .stepper-circle {
  box-shadow: 0 0 0 4px var(--accent-dim);
}
.stepper-line {
  position: absolute;
  top: 22px;
  left: calc(50% + 26px);
  right: calc(-50% + 26px);
  height: 2px;
  background: var(--border-subtle);
  z-index: 1;
}
.stepper-line-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.stepper-step.completed .stepper-line .stepper-line-fill,
.stepper-step.active .stepper-line .stepper-line-fill {
  width: 100%;
}
.stepper-step:last-child .stepper-line { display: none; }
.stepper-content {
  margin-top: 24px;
  text-align: center;
  padding: 0 12px;
}
.stepper-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dim);
  transition: color 0.4s ease;
}
.stepper-step.active .stepper-title,
.stepper-step.completed .stepper-title {
  color: var(--text-heading);
}
.stepper-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  opacity: 0.5;
  transition: opacity 0.4s ease;
}
.stepper-step.active .stepper-desc { opacity: 1; }

/* ═══════════════════════════════════════════════
   STAGGERED MENU (mobile nav)
   ═══════════════════════════════════════════════ */
.nav-mobile .nav-link,
.nav-mobile .btn-nav {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.35s ease, transform 0.35s ease,
              color var(--transition), background var(--transition);
}
.nav-mobile.open .nav-link,
.nav-mobile.open .btn-nav {
  opacity: 1;
  transform: translateX(0);
}
.nav-mobile.open > :nth-child(1) { transition-delay: 0.05s; }
.nav-mobile.open > :nth-child(2) { transition-delay: 0.10s; }
.nav-mobile.open > :nth-child(3) { transition-delay: 0.15s; }
.nav-mobile.open > :nth-child(4) { transition-delay: 0.20s; }
.nav-mobile:not(.open) > * { transition-delay: 0s; }

/* ═══════════════════════════════════════════════
   LIQUID GLASS HEADER (enhanced glassmorphism)
   ═══════════════════════════════════════════════ */
.site-header.scrolled {
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  backdrop-filter: blur(24px) saturate(1.8);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}
@media (prefers-color-scheme: dark) {
  .site-header.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.3);
  }
}

/* ═══════════════════════════════════════════════
   TEXT PRESSURE (cursor proximity weight)
   ═══════════════════════════════════════════════ */
[data-text-pressure] .tp-char {
  display: inline-block;
  font-weight: 400;
  transition: font-weight 0.15s ease;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  .stepper {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .stepper-step {
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
  }
  .stepper-line {
    position: absolute;
    top: 48px;
    left: 22px;
    right: auto;
    width: 2px;
    height: calc(100% - 20px);
  }
  .stepper-line-fill {
    width: 100%;
    height: 0%;
    transition: height 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .stepper-step.completed .stepper-line .stepper-line-fill,
  .stepper-step.active .stepper-line .stepper-line-fill {
    height: 100%;
  }
  .stepper-content {
    margin-top: 0;
    text-align: left;
    padding: 8px 0 32px;
  }
  .logo-loop-track { gap: 40px; }
  .gradual-blur { height: 80px; }
}