/* ═══════════════════════════════════════════════
   ROYAL SYSTEMS — ANIMATIONS
   animations.css · Keyframes & Transition Helpers
═══════════════════════════════════════════════ */

/* ── ENTRY ANIMATIONS ──────────────────────── */
@keyframes slide-up {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-left {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slide-right {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes reveal-x {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

/* ── STAGGER CLASSES ───────────────────────── */
.stagger-1  { animation-delay: 0.05s !important; }
.stagger-2  { animation-delay: 0.1s  !important; }
.stagger-3  { animation-delay: 0.15s !important; }
.stagger-4  { animation-delay: 0.2s  !important; }
.stagger-5  { animation-delay: 0.25s !important; }
.stagger-6  { animation-delay: 0.3s  !important; }
.stagger-7  { animation-delay: 0.35s !important; }
.stagger-8  { animation-delay: 0.4s  !important; }

/* ── ANIMATE-IN UTILITY ────────────────────── */
.anim-hidden {
  opacity: 0;
  transform: translateY(16px);
}

.anim-in {
  animation: slide-up 0.5s var(--ease-out) forwards;
}

/* ── TEXT TYPEWRITER CURSOR ────────────────── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.typer-cursor {
  display: inline-block;
  width: 2px;
  height: 0.9em;
  background: var(--c-accent);
  margin-left: 3px;
  vertical-align: text-bottom;
  animation: blink 0.5s step-end infinite;
}

/* ── NUMBER COUNT-UP ───────────────────────── */
.countup { display: inline-block; }

/* ── LINE DRAW ─────────────────────────────── */
.line-draw {
  overflow: hidden;
  position: relative;
}
 
.line-draw::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.8s var(--ease-out);
}
 
.line-draw.drawn::after {
  transform: scaleX(1);
}

/* ── FLICKER ───────────────────────────────── */
@keyframes flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; }
  20%, 24%, 55% { opacity: 0.4; }
}

.flicker {
  animation: flicker 6s infinite;
}

/* ── SHIMMER (LOADING STATE) ───────────────── */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position:  400px 0; }
}

.shimmer {
  background: linear-gradient(
    90deg,
    var(--c-border) 25%,
    rgba(255,255,255,0.04) 50%,
    var(--c-border) 75%
  );
  background-size: 800px 100%;
  animation: shimmer 1.5s infinite;
}

/* ── SCAN LINE SWEEP ───────────────────────── */
@keyframes scan-sweep {
  from { transform: translateY(-100%); }
  to   { transform: translateY(200vh); }
}

.scan-sweep {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.04), transparent);
  pointer-events: none;
  z-index: 9998;
  animation: scan-sweep 5s linear infinite;
}

/* ── GLITCH TEXT ───────────────────────────── */
@keyframes glitch-clip-1 {
  0%   { clip-path: inset(40% 0 61% 0); transform: translate(-4px, 0); }
  20%  { clip-path: inset(92% 0 1% 0);  transform: translate(4px, 0); }
  40%  { clip-path: inset(43% 0 1% 0);  transform: translate(-4px, 0); }
  60%  { clip-path: inset(25% 0 58% 0); transform: translate(0, 0); }
  80%  { clip-path: inset(54% 0 7% 0);  transform: translate(4px, 0); }
  100% { clip-path: inset(40% 0 61% 0); transform: translate(-4px, 0); }
}

@keyframes glitch-clip-2 {
  0%   { clip-path: inset(24% 0 29% 0); transform: translate(4px, 0); }
  20%  { clip-path: inset(54% 0 7% 0);  transform: translate(-4px, 0); }
  40%  { clip-path: inset(5% 0 48% 0);  transform: translate(4px, 0); }
  60%  { clip-path: inset(64% 0 13% 0); transform: translate(0, 0); }
  80%  { clip-path: inset(28% 0 39% 0); transform: translate(-4px, 0); }
  100% { clip-path: inset(24% 0 29% 0); transform: translate(4px, 0); }
}

.glitch-text {
  position: relative;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.glitch-text::before {
  color: #f0c;
  animation: glitch-clip-1 3s infinite linear alternate-reverse;
  opacity: 0;
}

.glitch-text::after {
  color: #0cf;
  animation: glitch-clip-2 3s infinite linear alternate-reverse;
  opacity: 0;
}

.glitch-text:hover::before,
.glitch-text:hover::after { opacity: 0.6; }

/* ── PULSE RING ────────────────────────────── */
@keyframes pulse-ring {
  0%   { transform: scale(0.8);  opacity: 0.6; }
  70%  { transform: scale(1.6);  opacity: 0; }
  100% { transform: scale(1.6);  opacity: 0; }
}

.pulse-ring {
  position: relative;
}

.pulse-ring::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--c-accent);
  animation: pulse-ring 2s ease-out infinite;
  pointer-events: none;
}

/* ── ROTATE ────────────────────────────────── */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── STAT CARD ENTRANCE ────────────────────── */
.stat-card {
  opacity: 0;
  animation: scale-in 0.5s var(--ease-out) forwards;
}

/* Stagger stat cards */
.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.1s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.2s; }

/* ── PROJECT CARD ENTRANCE ─────────────────── */
.proj-card {
  opacity: 0;
  animation: slide-up 0.55s var(--ease-out) forwards;
}

.proj-card:nth-child(1) { animation-delay: 0.0s; }
.proj-card:nth-child(2) { animation-delay: 0.1s; }
.proj-card:nth-child(3) { animation-delay: 0.2s; }
.proj-card:nth-child(4) { animation-delay: 0.3s; }
.proj-card:nth-child(5) { animation-delay: 0.4s; }
.proj-card:nth-child(6) { animation-delay: 0.5s; }

/* ── ABOUT CARD ENTRANCE ───────────────────── */
.about-id-card {
  opacity: 0;
  animation: slide-right 0.65s var(--ease-out) 0.1s forwards;
}

.about-right {
  opacity: 0;
  animation: slide-left 0.65s var(--ease-out) 0.2s forwards;
}

/* ── PANE HEADER ENTRANCE ──────────────────── */
.pane__header {
  opacity: 0;
  animation: slide-down 0.5s var(--ease-out) 0.05s forwards;
}

/* ── LOADER BAR GLOW ───────────────────────── */
/* NOTE: glow-pulse is applied only via box-shadow on .loader__fill
   in style.css — no animation override here to avoid conflicting with
   the JS-driven width updates */
@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 4px rgba(200,169,110,0.3); }
  50%       { box-shadow: 0 0 12px rgba(200,169,110,0.7); }
}

/* ── HERO TITLE WORD REVEAL ────────────────── */
@keyframes word-reveal {
  from {
    opacity: 0;
    clip-path: inset(0 100% 0 0);
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    clip-path: inset(0 0% 0 0);
    transform: translateX(0);
  }
}

/* ── PAGE TRANSITION ───────────────────────── */
@keyframes page-wipe-in {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

/* ── NOISE GRAIN ───────────────────────────── */
@keyframes noise-grain {
  0%, 100% { transform: translate(0,0);      }
  10%       { transform: translate(-5%,-5%);  }
  20%       { transform: translate(-10%,5%);  }
  30%       { transform: translate(5%,-10%);  }
  40%       { transform: translate(-5%,15%);  }
  50%       { transform: translate(-10%,5%);  }
  60%       { transform: translate(15%,0);    }
  70%       { transform: translate(0,10%);    }
  80%       { transform: translate(-15%,0);   }
  90%       { transform: translate(10%,5%);   }
}