/**
* SMOOTH TRANSITIONS
* Enhanced page transitions and smooth animations
* 2025/2026 Premium Transitions
*/

/* ============================================
  PAGE TRANSITIONS
  ============================================ */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.page-transition.active {
    opacity: 1;
    pointer-events: all;
}

/* ============================================
  SMOOTH SCROLL
  ============================================ */
html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-behavior: smooth;
    }
}

/* ============================================
  FADE IN ANIMATIONS
  ============================================ */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-down {
    animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
  SLIDE ANIMATIONS
  ============================================ */
.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
  SCALE ANIMATIONS
  ============================================ */
.scale-in {
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-up {
    animation: scaleUp 0.4s ease-out;
}

@keyframes scaleUp {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

/* ============================================
  ROTATE ANIMATIONS
  ============================================ */
.rotate-in {
    animation: rotateIn 0.6s ease-out;
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.8);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

/* ============================================
  STAGGER ANIMATIONS
  ============================================ */
.stagger-children > * {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }

/* ============================================
  HOVER TRANSITIONS
  ============================================ */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.hover-grow {
    transition: transform 0.3s ease;
}

.hover-grow:hover {
    transform: scale(1.05);
}

.hover-rotate {
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* ============================================
  LOADING SKELETON
  ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.05) 25%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
  ACCESSIBILITY
  ============================================ */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .fade-in-up,
    .fade-in-down,
    .slide-in-left,
    .slide-in-right,
    .scale-in,
    .scale-up,
    .rotate-in,
    .stagger-children > *,
    .skeleton {
        animation: none;
    }

    .hover-lift:hover,
    .hover-grow:hover,
    .hover-rotate:hover {
        transform: none;
    }
}


/* Focus styles for accessibility - Auto-added */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}