/* ============================================================
   SinoConect – Animations CSS
   ============================================================ */

/* ── Keyframes ── */

@keyframes float-badge {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

@keyframes float-particle {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
  33%       { transform: translate(30px, -20px) scale(1.1); opacity: 0.2; }
  66%       { transform: translate(-20px, 10px) scale(0.9); opacity: 0.5; }
}

@keyframes pulse-play {
  0%   { box-shadow: 0 0 0 0 rgba(14, 165, 233,0.4); }
  70%  { box-shadow: 0 0 0 20px rgba(14, 165, 233,0); }
  100% { box-shadow: 0 0 0 0 rgba(14, 165, 233,0); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes count-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes border-rotate {
  to { --angle: 360deg; }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 0.8; }
}

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

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

/* ── Scroll Reveal Classes ── */
/* Initial hidden states — applied by JS */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.reveal-left {
  transform: translateX(-32px);
}

.reveal.reveal-right {
  transform: translateX(32px);
}

.reveal.reveal-scale {
  transform: scale(0.92);
}

.reveal.revealed {
  opacity: 1;
  transform: none;
}

/* Staggered reveal for children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.revealed > *:nth-child(7) { transition-delay: 0.48s; }
.reveal-stagger.revealed > *:nth-child(8) { transition-delay: 0.56s; }

.reveal-stagger.revealed > * {
  opacity: 1;
  transform: none;
}

/* ── Hero Entrance Animation ── */
.hero-animate .hero-eyebrow {
  animation: fade-in-down 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

.hero-animate .hero-title {
  animation: fade-in-up 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-animate .hero-subtitle {
  animation: fade-in-up 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.35s both;
}

.hero-animate .hero-actions {
  animation: fade-in-up 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s both;
}

.hero-animate .hero-trust {
  animation: fade-in-up 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.65s both;
}

.hero-animate .hero-visual {
  animation: fade-in-left 0.9s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

/* ── Shimmer skeleton loader ── */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--surface) 25%,
    var(--surface-3) 50%,
    var(--surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ── Hover lift ── */
.hover-lift {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* ── Glow text ── */
.glow-text {
  text-shadow: 0 0 20px rgba(59, 130, 246,0.5);
}

/* ── Gradient Border ── */
.grad-border {
  position: relative;
}

.grad-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  -webkit-mask: linear-gradient(#fff 0 0) content-box,
                linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ── Animated background pattern ── */
.pattern-dots {
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

.pattern-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Particle elements ── */
.particle-1 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(14, 165, 233,0.15) 0%, transparent 70%);
  top: 10%; left: 5%;
  animation: float-particle 12s ease-in-out infinite;
}

.particle-2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(59, 130, 246,0.08) 0%, transparent 70%);
  top: 40%; right: 10%;
  animation: float-particle 15s ease-in-out infinite 2s;
}

.particle-3 {
  width: 150px; height: 150px;
  background: radial-gradient(circle, rgba(14, 165, 233,0.1) 0%, transparent 70%);
  bottom: 20%; left: 30%;
  animation: float-particle 10s ease-in-out infinite 1s;
}

/* ── Page transition ── */
.page-transition {
  animation: fade-in-up 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Toast notification ── */
.toast {
  position: fixed;
  top: calc(var(--nav-height) + var(--space-md));
  right: var(--space-xl);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  z-index: 9000;
  box-shadow: var(--shadow-lg);
  animation: slide-in-right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 280px;
}

.toast.success { border-color: rgba(39,174,96,0.4); }
.toast.success i { color: var(--success); }
.toast.error { border-color: rgba(14, 165, 233,0.4); }
.toast.error i { color: var(--primary-light); }
.toast-msg { font-size: var(--fs-sm); color: var(--text); }
.toast.hiding { animation: slide-out-right 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards; }

/* ── Loading spinner ── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Scroll progress bar ── */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--grad-primary);
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
}