/* ================================================================
   NORDAL MICRO CREDIT — ANIMATION SYSTEM v1.0
   Keyframes, scroll reveal, micro-interactions, counters
   ================================================================ */

/* ================================================================
   1. KEYFRAME LIBRARY
   ================================================================ */

/* ── Fade variants ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

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

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeRight {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Scale variants ── */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.88) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes scalePop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.08); }
  70%  { transform: scale(0.96); }
  100% { transform: scale(1); }
}

/* ── Slide variants ── */
@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}

@keyframes slideInLeft {
  from { transform: translateX(-100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Pulse / Glow ── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

@keyframes pulseSlow {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.04); opacity: 0.85; }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(155,23,40,0.3); }
  50%       { box-shadow: 0 0 40px rgba(155,23,40,0.55); }
}

/* ── Shimmer (skeleton loading) ── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

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

/* ── Float (hero badge, icons) ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-6px) rotate(1deg); }
  66%       { transform: translateY(-3px) rotate(-0.5deg); }
}

/* ── Ripple ── */
@keyframes ripple {
  0%   { transform: scale(0); opacity: 0.45; }
  100% { transform: scale(4); opacity: 0; }
}

/* ── Nav drop ── */
@keyframes navDrop {
  from { opacity: 0; transform: translateY(-12px) scaleY(0.95); }
  to   { opacity: 1; transform: translateY(0) scaleY(1); }
}

/* ── Number count ── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Accordion ── */
@keyframes accordionOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Progress bar fill ── */
@keyframes progressFill {
  from { width: 0%; }
  to   { width: var(--progress-value, 70%); }
}

/* __ Draw line __ */
@keyframes drawLine {
  from { stroke-dashoffset: 1000; }
  to   { stroke-dashoffset: 0; }
}

/* ── Gradient shift (hero bg) ── */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ================================================================
   2. SCROLL REVEAL SYSTEM
   Data attributes: data-reveal="up|down|left|right|scale|fade"
   data-reveal-delay="0|100|200|300|400|500"
   ================================================================ */

/* ── Base reveal state (hidden) ── */
[data-reveal] {
  opacity: 0;
  will-change: transform, opacity;
  transition:
    opacity   var(--dur-enter) var(--ease-expo),
    transform var(--dur-enter) var(--ease-expo);
}

[data-reveal="up"]    { transform: translateY(var(--reveal-distance-y, 28px)); }
[data-reveal="down"]  { transform: translateY(calc(-1 * var(--reveal-distance-y, 24px))); }
[data-reveal="left"]  { transform: translateX(var(--reveal-distance-x, 32px)); }
[data-reveal="right"] { transform: translateX(calc(-1 * var(--reveal-distance-x, 32px))); }
[data-reveal="scale"] { transform: scale(var(--reveal-scale, 0.94)); }
[data-reveal="fade"]  { transform: none; }

/* ── Stagger delays ── */
[data-reveal-delay="100"] { transition-delay: 100ms; }
[data-reveal-delay="150"] { transition-delay: 150ms; }
[data-reveal-delay="200"] { transition-delay: 200ms; }
[data-reveal-delay="250"] { transition-delay: 250ms; }
[data-reveal-delay="300"] { transition-delay: 300ms; }
[data-reveal-delay="350"] { transition-delay: 350ms; }
[data-reveal-delay="400"] { transition-delay: 400ms; }
[data-reveal-delay="500"] { transition-delay: 500ms; }
[data-reveal-delay="600"] { transition-delay: 600ms; }
[data-reveal-delay="700"] { transition-delay: 700ms; }
[data-reveal-delay="800"] { transition-delay: 800ms; }

/* ── Revealed state (JS adds .is-visible) ── */
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ── Auto-stagger grid children ── */
.stagger-children > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children > *:nth-child(2) { transition-delay: 80ms; }
.stagger-children > *:nth-child(3) { transition-delay: 160ms; }
.stagger-children > *:nth-child(4) { transition-delay: 240ms; }
.stagger-children > *:nth-child(5) { transition-delay: 320ms; }
.stagger-children > *:nth-child(6) { transition-delay: 400ms; }
.stagger-children > *:nth-child(7) { transition-delay: 480ms; }
.stagger-children > *:nth-child(8) { transition-delay: 560ms; }

/* ================================================================
   3. SKELETON LOADING
   ================================================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-100) 0%,
    var(--gray-200) 50%,
    var(--gray-100) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton--text   { height: 1em; border-radius: var(--radius-full); }
.skeleton--title  { height: 1.4em; width: 60%; border-radius: var(--radius-full); }
.skeleton--avatar { border-radius: var(--radius-full); aspect-ratio: 1; }
.skeleton--card   { height: 200px; border-radius: var(--radius-xl); }
.skeleton--image  { aspect-ratio: 16/9; border-radius: var(--radius-lg); }
.skeleton--btn    { height: 48px; width: 140px; border-radius: var(--radius-full); }

/* ================================================================
   4. BUTTON MICRO-INTERACTIONS
   ================================================================ */

/* ── Ripple container ── */
.ripple-container {
  position: relative;
  overflow: hidden;
}

.ripple-wave {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  pointer-events: none;
  animation: ripple 600ms var(--ease-out) forwards;
  transform-origin: center;
}

/* ── Press effect ── */
.press-effect {
  transition: transform var(--dur-fast) var(--ease-out);
}
.press-effect:active {
  transform: scale(0.96) !important;
}

/* __ Press on tap for mobile __ */
@media (hover: none) {
  .press-effect:active {
    transform: scale(0.94) !important;
  }
}

/* ================================================================
   5. CARD HOVER LIFT
   ================================================================ */
.card-lift {
  transition:
    transform  var(--dur-standard) var(--ease-spring),
    box-shadow var(--dur-standard) var(--ease-out);
}

@media (hover: hover) {
  .card-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
  }
}

/* Desktop only scale */
@media (hover: hover) {
  .card-scale:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-card-hover);
  }
}

/* Mobile tap feedback */
@media (hover: none) {
  .card-lift:active {
    transform: scale(0.98);
  }
}

/* ================================================================
   6. LOADING STATES
   ================================================================ */
.btn-loading {
  position: relative;
  pointer-events: none;
  color: transparent !important;
}
.btn-loading::after {
  content: '';
  position: absolute;
  inset: 50% auto auto 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 600ms linear infinite;
}

/* ================================================================
   7. HERO PARALLAX WRAPPER
   ================================================================ */
.parallax-layer {
  will-change: transform;
  transition: none;
}

/* ================================================================
   8. COUNTER ANIMATION WRAPPER
   ================================================================ */
.stat-counter-value {
  display: inline-block;
  animation: countUp var(--dur-enter) var(--ease-expo) both;
}

/* ================================================================
   9. FLOAT ANIMATIONS (hero badges, icons)
   ================================================================ */
.float { animation: float 3s var(--ease-in-out) infinite; }
.float-slow { animation: floatSlow 5s var(--ease-in-out) infinite; }

.float-delay-1 { animation-delay: 0.5s; }
.float-delay-2 { animation-delay: 1s; }
.float-delay-3 { animation-delay: 1.5s; }

/* ================================================================
   10. PROGRESS BAR
   ================================================================ */
.progress-bar {
  height: 6px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--emerald-600), var(--emerald-400));
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 1.2s var(--ease-expo);
}

.progress-bar__fill.animate {
  width: var(--progress-value, 70%);
}

/* ================================================================
   11. GRADIENT ANIMATION (hero decorative)
   ================================================================ */
.gradient-animated {
  background: linear-gradient(
    135deg,
    var(--navy-900) 0%,
    var(--navy-800) 30%,
    #0D2E48 60%,
    var(--navy-900) 100%
  );
  background-size: 200% 200%;
  animation: gradientShift 12s ease infinite;
}

/* ================================================================
   12. PULSE BADGE (live indicator)
   ================================================================ */
.pulse-dot {
  position: relative;
  display: inline-flex;
  width: 10px;
  height: 10px;
}

.pulse-dot::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--emerald-500);
  animation: pulseSlow 2s ease-in-out infinite;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--emerald-600);
}

/* ================================================================
   13. ENTRANCE FOR PAGE LOAD (hero only)
   ================================================================ */
.hero-enter { animation: fadeUp var(--dur-enter) var(--ease-expo) both; }
.hero-enter-delay-1 { animation-delay: 100ms; }
.hero-enter-delay-2 { animation-delay: 220ms; }
.hero-enter-delay-3 { animation-delay: 340ms; }
.hero-enter-delay-4 { animation-delay: 460ms; }
.hero-enter-delay-5 { animation-delay: 580ms; }

/* ================================================================
   14. ACCORDION OPEN ANIMATION
   ================================================================ */
.accordion-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-medium) var(--ease-expo),
              opacity    var(--dur-standard) var(--ease-out);
  opacity: 0;
}

.accordion-content.is-open {
  max-height: 500px;
  opacity: 1;
}

/* ================================================================
   15. MOBILE DRAWER SLIDE-IN
   ================================================================ */
.mobile-drawer {
  transform: translateX(100%);
  transition: transform var(--dur-medium) var(--ease-expo);
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-overlay {
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-standard) var(--ease-out),
              visibility 0s linear var(--dur-standard);
}

.mobile-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--dur-standard) var(--ease-out),
              visibility 0s linear 0s;
}

/* ================================================================
   16. SCROLL PROGRESS BAR (top of page)
   ================================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--emerald-600), var(--gold-600));
  z-index: var(--z-top);
  width: 0%;
  transition: width 100ms linear;
}

/* ================================================================
   17. HAMBURGER ANIMATION
   ================================================================ */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--dur-fast) var(--ease-out);
}

.hamburger:hover { background: var(--gray-100); }

.hamburger__line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--dur-standard) var(--ease-spring),
              opacity   var(--dur-fast)     var(--ease-out);
}

.hamburger.is-open .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.is-open .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* On dark bg */
.hamburger--light .hamburger__line { background: var(--white); }