/* ==========================================================================
   Animations — keyframes + utility classes
   ========================================================================== */

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.4s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal-left.in-view { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal-right.in-view { opacity: 1; transform: translateX(0); }

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal-scale.in-view { opacity: 1; transform: scale(1); }

/* ---- Gradient sweep text ---- */
.grad-text {
  background: var(--grad-text);
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sweep 6s linear infinite;
}
@keyframes sweep {
  to { background-position: -220% center; }
}

/* ---- Blinking cursor for typewriter ---- */
.type-cursor {
  display: inline-block;
  width: 3px;
  margin-left: 4px;
  background: var(--cyan);
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ---- Floating ---- */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-14px); }
}
.float { animation: float 5s ease-in-out infinite; }
.float-slow { animation: float 8s ease-in-out infinite; }
.float-delay { animation-delay: 1.2s; }

/* ---- Pulse glow ---- */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(61, 125, 255, 0.25); }
  50% { box-shadow: 0 0 45px rgba(41, 211, 240, 0.45); }
}
.pulse-glow { animation: pulse-glow 3.2s ease-in-out infinite; }

/* ---- Spin (used by wireframe signature + loaders) ---- */
@keyframes spin-y {
  from { transform: rotateY(0deg) rotateX(18deg); }
  to   { transform: rotateY(360deg) rotateX(18deg); }
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.spin-slow { animation: spin-slow 18s linear infinite; }

/* ---- Marquee ---- */
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 26s linear infinite;
}
.marquee:hover .marquee-track {
  animation-play-state: paused;
}

/* ---- Draw line (timeline / underline) ---- */
@keyframes draw-line {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}

/* ---- Count-up number pop ---- */
@keyframes pop-in {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}

/* ---- Shimmer border sweep (cards) ---- */
@keyframes border-sweep {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ---- Ambient blob drift ---- */
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(30px, -40px) scale(1.08); }
  66%  { transform: translate(-25px, 20px) scale(0.96); }
  100% { transform: translate(0, 0) scale(1); }
}
.drift { animation: drift 14s ease-in-out infinite; }

/* ---- Fade in on load (hero orchestration) ---- */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up-1 { animation: fade-up 0.8s var(--ease-out) 0.05s both; }
.fade-up-2 { animation: fade-up 0.8s var(--ease-out) 0.20s both; }
.fade-up-3 { animation: fade-up 0.8s var(--ease-out) 0.35s both; }
.fade-up-4 { animation: fade-up 0.8s var(--ease-out) 0.50s both; }
.fade-up-5 { animation: fade-up 0.8s var(--ease-out) 0.65s both; }

/* ---- Icon micro-interactions ---- */
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-8deg); }
  75% { transform: rotate(8deg); }
}
.icon-wiggle:hover svg { animation: wiggle 0.5s ease-in-out; }

@keyframes bounce-sm {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* ---- Ripple button ---- */
.btn { position: relative; overflow: hidden; }
.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: ripple 0.6s ease-out;
  pointer-events: none;
}
@keyframes ripple {
  to { transform: scale(3); opacity: 0; }
}

/* ---- Skeleton shimmer for logo dropzone ---- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer {
  background: linear-gradient(90deg, var(--ink-2) 0%, var(--ink-3) 50%, var(--ink-2) 100%);
  background-size: 200% 100%;
  animation: shimmer 2.2s ease-in-out infinite;
}

/* ---- Tilt card ---- */
.tilt {
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  will-change: transform;
}

/* ---- Underline grow ---- */
.underline-grow {
  position: relative;
  display: inline-block;
}
.underline-grow::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  height: 2px;
  width: 100%;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-mid) var(--ease-out);
}
.underline-grow:hover::after { transform: scaleX(1); }

/* ---- Rotating dashed ring (avatar / profile) ---- */
@keyframes rotate-ring {
  to { transform: rotate(360deg); }
}
.ring-rotate { animation: rotate-ring 22s linear infinite; }
.ring-rotate-rev { animation: rotate-ring 30s linear infinite reverse; }

/* ---- Page load curtain ---- */
#load-curtain {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--ink-0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
#load-curtain.hide {
  opacity: 0;
  visibility: hidden;
}
#load-curtain .mark {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
}
#load-curtain .mark::after {
  content: "";
  display: inline-block;
  width: 8px;
  margin-left: 3px;
  animation: blink 0.9s step-end infinite;
}

/* ---- Scroll-cue mouse ---- */
@keyframes scroll-cue {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}
.scroll-cue-dot { animation: scroll-cue 1.6s ease-in-out infinite; }