/* ============================================================
   OrthoMedica — Animations & Keyframes
   ============================================================ */

/* ── Loader ── */
@keyframes loaderPulse {
  0%, 100% { opacity: 1;   transform: scale(1);    }
  50%       { opacity: 0.6; transform: scale(0.95); }
}

@keyframes loaderBar {
  0%   { width: 0%; }
  30%  { width: 40%; }
  70%  { width: 75%; }
  100% { width: 100%; }
}

/* ── Blink Pulse (Hero Badge dot) ── */
@keyframes blinkPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--clr-primary); }
  50%       { opacity: 0.4; box-shadow: 0 0 2px var(--clr-primary); }
}

/* ── Hero Scroll Arrow ── */
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  60%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ── Float Badges ── */
@keyframes floatBadge {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

/* ── Marquee (Partners) ── */
@keyframes marqueeScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Generic fadeInUp ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* ── Scale In ── */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── Glow Pulse (CTA buttons) ── */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(52,170,178,0.35); }
  50%       { box-shadow: 0 4px 40px rgba(52,170,178,0.65); }
}

/* ── Rotate (3D hero particle) ── */
@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Number Counter (handled in JS, but CSS for transition) ── */
.stat-number {
  transition: all 0.3s ease;
}

/* ── Card reveal (used with Intersection Observer) ── */
.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible,
.reveal-right.visible,
.reveal-up.visible,
.reveal-scale.visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

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

/* ── Glow border animation ── */
@keyframes glowBorder {
  0%, 100% { border-color: rgba(52,170,178,0.2); }
  50%       { border-color: rgba(52,170,178,0.6); }
}

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

.shimmer-effect {
  background: linear-gradient(90deg,
    rgba(48,113,142,0.04) 25%,
    rgba(52,170,178,0.12) 50%,
    rgba(48,113,142,0.04) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2.5s infinite;
}

/* ── Hero title char animation ── */
.char-animate {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  animation: charReveal 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes charReveal {
  to { opacity: 1; transform: translateY(0); }
}

/* ── Particle canvas overlay ── */
#hero-canvas {
  opacity: 0;
  animation: fadeIn 1.5s ease 0.5s forwards;
}

/* ── Magnetic button ripple ── */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* ── Product card shine on hover ── */
.product-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    rgba(255,255,255,0) 40%,
    rgba(52,170,178,0.06) 50%,
    rgba(255,255,255,0) 60%
  );
  transform: rotate(45deg) translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.product-card:hover::after {
  transform: rotate(45deg) translateX(100%);
}

/* ── Nav link active indicator ── */
.nav-link.active {
  color: var(--clr-primary);
}

.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* ── Service number glow ── */
.service-card:hover .service-icon-wrap {
  animation: glowPulse 1.5s ease-in-out infinite;
}

/* ── Smooth section fade-in ── */
.section-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-fade.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ── Typewriter cursor ── */
.typewriter-cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--clr-primary);
  margin-right: 2px;
  vertical-align: middle;
  animation: blinkCursor 0.8s step-end infinite;
}

@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Lang switch transition ── */
[data-lang] {
  transition: opacity 0.3s ease, transform 0.3s ease;
}