/* ============================================
   SubFine Website - Animations
   Smooth transitions and micro-interactions
   ============================================ */

/* ============================================
   Keyframe Animations
   ============================================ */

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

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

    to {
        opacity: 1;
    }
}

/* Slide In From Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In From Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Pulse Glow */
@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(244, 208, 63, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(244, 208, 63, 0.6);
    }
}

/* Float Animation */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Rotate */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Scale Pulse */
@keyframes scalePulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

/* ============================================
   Animation Classes
   ============================================ */

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-slideInLeft {
    animation: slideInLeft 0.7s ease-out forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.7s ease-out forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulseGlow {
    animation: pulseGlow 2s ease-in-out infinite;
}

/* Stagger delays for sequential animations */
.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

.animate-delay-4 {
    animation-delay: 0.4s;
}

.animate-delay-5 {
    animation-delay: 0.5s;
}

.animate-delay-6 {
    animation-delay: 0.6s;
}

/* ============================================
   Hover Effects
   ============================================ */

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(244, 208, 63, 0.3);
}

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

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

.hover-brighten {
    transition: filter 0.3s ease;
}

.hover-brighten:hover {
    filter: brightness(1.2);
}

/* ============================================
   Smooth Scrolling
   ============================================ */

html {
    scroll-behavior: smooth;
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-dark-tertiary);
    border-radius: 6px;
    border: 2px solid var(--bg-dark);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-yellow);
}

/* ============================================
   Page Transitions
   ============================================ */

.page-transition {
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}

/* ============================================
   Loading States
   ============================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg-dark-tertiary);
    border-top-color: var(--primary-yellow);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

.spinner-small {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg,
            var(--bg-dark-tertiary) 0%,
            var(--bg-dark-secondary) 50%,
            var(--bg-dark-tertiary) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ============================================
   Interactive Elements
   ============================================ */

/* Button press effect */
.btn-active {
    transform: scale(0.98);
}

/* Link underline animation */
.link-animated {
    position: relative;
    text-decoration: none;
}

.link-animated::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-yellow);
    transition: width 0.3s ease;
}

.link-animated:hover::after {
    width: 100%;
}

/* ============================================
   Reveal on Scroll
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger reveal delays */
.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* ============================================
   Background Animations
   ============================================ */

.bg-gradient-animated {
    background: linear-gradient(-45deg,
            #0a0a0a,
            #1a1a0a,
            #0a0a0a,
            #151510);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Particle effect background */
.particles-bg {
    position: relative;
    overflow: hidden;
}

.particles-bg::before,
.particles-bg::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.particles-bg::before {
    background: var(--primary-yellow);
    top: 10%;
    left: 10%;
}

.particles-bg::after {
    background: var(--primary-yellow);
    bottom: 10%;
    right: 10%;
    animation-delay: 3s;
}

/* ============================================
   Mobile Menu Animation
   ============================================ */

.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.mobile-menu.open {
    max-height: 500px;
}

.mobile-menu-item {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu.open .mobile-menu-item {
    opacity: 1;
    transform: translateX(0);
}

.mobile-menu.open .mobile-menu-item:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-menu.open .mobile-menu-item:nth-child(2) {
    transition-delay: 0.2s;
}

.mobile-menu.open .mobile-menu-item:nth-child(3) {
    transition-delay: 0.3s;
}

.mobile-menu.open .mobile-menu-item:nth-child(4) {
    transition-delay: 0.4s;
}

/* ============================================
   Reduced Motion Support
   ============================================ */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}