/* ============================================================
   Greek Quiz — gq-animations.css
   Keyframes, transitions, scroll-triggered animations
   ============================================================ */

/* ── Keyframes ── */
@keyframes gq-fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes gq-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes gq-slide-in-left {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes gq-slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes gq-scale-in {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes gq-scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50%       { opacity: 1;   transform: scaleY(1); }
}
@keyframes gq-hero-gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes gq-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}
@keyframes gq-shimmer {
  0%   { transform: translateX(-100%) rotate(-15deg); }
  100% { transform: translateX(200%) rotate(-15deg); }
}
@keyframes gq-rotate-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes gq-pulse-ring {
  0%   { transform: scale(1); opacity: 0.8; }
  70%  { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(1.8); opacity: 0; }
}
@keyframes gq-shape-drift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33%       { transform: translate(20px, -15px) rotate(5deg); }
  66%       { transform: translate(-10px, 20px) rotate(-3deg); }
}
@keyframes gq-quiz-slide-in {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes gq-quiz-slide-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-30px); }
}
@keyframes gq-option-reveal {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes gq-counter-bounce {
  0%, 80%, 100% { transform: scale(1); }
  40%            { transform: scale(1.08); }
}
@keyframes gq-wave-move {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes gq-bg-pan {
  0%   { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}
@keyframes gq-sparkle {
  0%, 100% { opacity: 0; transform: scale(0); }
  50%       { opacity: 1; transform: scale(1); }
}

/* ── Hero Background Shapes ── */
.gq-hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  pointer-events: none;
}
.gq-hero-shape-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #C9A227, transparent 70%);
  top: -200px; right: -150px;
  animation: gq-shape-drift 12s ease-in-out infinite;
}
.gq-hero-shape-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #4A72D4, transparent 70%);
  bottom: -100px; left: -100px;
  animation: gq-shape-drift 16s ease-in-out infinite reverse;
}
.gq-hero-shape-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #C9A227, transparent 70%);
  top: 40%; left: 40%;
  animation: gq-shape-drift 20s ease-in-out infinite 4s;
  opacity: 0.05;
}
.gq-hero-greek-pattern {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--gq-gold) 0px,
    var(--gq-gold) 14px,
    transparent 14px,
    transparent 18px,
    var(--gq-gold) 18px,
    var(--gq-gold) 22px,
    transparent 22px,
    transparent 30px
  );
  opacity: 0.6;
}
.gq-hero-meander-line {
  position: absolute;
  bottom: 80px; left: 0; right: 0;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    rgba(201,162,39,0.3) 0, rgba(201,162,39,0.3) 8px,
    transparent 8px, transparent 16px
  );
}

/* ── Floating Hero Image Badge ── */
.gq-hero-image-frame { animation: gq-float 6s ease-in-out infinite; }

/* ── Hero Text Entrance ── */
.gq-hero-tagline  { animation: gq-fade-up 0.6s ease both 0.2s; }
.gq-hero-heading  { animation: gq-fade-up 0.6s ease both 0.35s; }
.gq-hero-desc     { animation: gq-fade-up 0.6s ease both 0.5s; }
.gq-hero-actions  { animation: gq-fade-up 0.6s ease both 0.65s; }
.gq-hero-stats    { animation: gq-fade-up 0.6s ease both 0.8s; }

/* ── Scroll-triggered Reveal ── */
.gq-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1),
              transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.gq-reveal.gq-revealed {
  opacity: 1;
  transform: translateY(0);
}
.gq-reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1),
              transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.gq-reveal-left.gq-revealed {
  opacity: 1;
  transform: translateX(0);
}
.gq-reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1),
              transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.gq-reveal-right.gq-revealed {
  opacity: 1;
  transform: translateX(0);
}
.gq-reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.gq-reveal-scale.gq-revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.gq-reveal-delay-1 { transition-delay: 0.1s; }
.gq-reveal-delay-2 { transition-delay: 0.2s; }
.gq-reveal-delay-3 { transition-delay: 0.3s; }
.gq-reveal-delay-4 { transition-delay: 0.4s; }
.gq-reveal-delay-5 { transition-delay: 0.5s; }
.gq-reveal-delay-6 { transition-delay: 0.6s; }

/* ── Quiz Question Transition ── */
.gq-question-entering {
  animation: gq-quiz-slide-in 0.35s ease both;
}
.gq-question-leaving {
  animation: gq-quiz-slide-out 0.25s ease both;
}
.gq-quiz-option {
  animation: gq-option-reveal 0.3s ease both;
}
.gq-quiz-option:nth-child(1) { animation-delay: 0.05s; }
.gq-quiz-option:nth-child(2) { animation-delay: 0.10s; }
.gq-quiz-option:nth-child(3) { animation-delay: 0.15s; }
.gq-quiz-option:nth-child(4) { animation-delay: 0.20s; }

/* ── Statistic Counters ── */
.gq-stat-counter.gq-count-running {
  animation: gq-counter-bounce 0.3s ease;
}

/* ── Shimmer effect on cards ── */
.gq-shimmer-wrap {
  position: relative;
  overflow: hidden;
}
.gq-shimmer-wrap::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: translateX(-100%) rotate(-15deg);
}
.gq-shimmer-wrap:hover::after {
  animation: gq-shimmer 0.7s ease forwards;
}

/* ── Pulse dot (live indicator) ── */
.gq-pulse-dot {
  position: relative;
  display: inline-block;
  width: 10px; height: 10px;
}
.gq-pulse-dot::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background: #2ECC71;
  animation: gq-pulse-ring 1.8s cubic-bezier(0.455,0.03,0.515,0.955) infinite;
}
.gq-pulse-dot::after {
  content: '';
  position: absolute; inset: 2px;
  border-radius: 50%;
  background: #2ECC71;
}

/* ── Quote Rotator ── */
.gq-quote-rotator-slide {
  opacity: 0;
  transform: translateY(10px);
  position: absolute;
  transition: all 0.5s ease;
}
.gq-quote-rotator-slide.gq-quote-active {
  opacity: 1;
  transform: translateY(0);
  position: relative;
}

/* ── Page-level entrance (internal pages) ── */
.gq-page-entrance {
  animation: gq-fade-in 0.5s ease both;
}

/* ── SVG Greek Meander Pattern ── */
.gq-meander-divider {
  display: flex; align-items: center; gap: 16px;
  margin: 36px 0;
}
.gq-meander-divider::before,
.gq-meander-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gq-gold), transparent);
}
.gq-meander-symbol {
  color: var(--gq-gold);
  font-size: 1rem;
  opacity: 0.7;
}

/* ── Scroll Progress Bar ── */
.gq-scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gq-blue-mid), var(--gq-gold));
  z-index: 9999;
  transition: width 0.1s linear;
  width: 0%;
}

/* ── Tab transitions ── */
.gq-tab-panel {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  display: none;
}
.gq-tab-panel.gq-tab-visible {
  opacity: 1;
  transform: translateY(0);
  display: block;
}

/* ── Accordion ── */
.gq-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1),
              opacity 0.3s ease;
  opacity: 0;
}
.gq-accordion-body.gq-accordion-open {
  max-height: 600px;
  opacity: 1;
}
.gq-accordion-icon {
  transition: transform 0.3s ease;
}
.gq-accordion-open + .gq-accordion-icon,
.gq-accordion-item.gq-accordion-active .gq-accordion-icon {
  transform: rotate(45deg);
}

/* ── Loading spinner ── */
.gq-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--gq-marble-dark);
  border-top-color: var(--gq-blue-mid);
  border-radius: 50%;
  animation: gq-rotate-slow 0.8s linear infinite;
  margin: 0 auto;
}

/* ── Success / Error Flash ── */
.gq-flash-success {
  animation: gq-scale-in 0.4s ease both;
}

/* ── Smooth navbar transition ── */
.gq-navbar {
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}