/**
 * Ryft Landing Page - Animation Styles
 * =====================================
 * Keyframe animations and scroll-triggered effects
 */

/* ==========================================
   KEYFRAME ANIMATIONS
   ========================================== */

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

    to {
        opacity: 1;
    }
}

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

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

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

/* Fade In Left */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

/* Fade In Right */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Pulse */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Pulse Scale */
@keyframes pulseScale {

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

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

/* Float */
@keyframes float {

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

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

/* Glow Pulse */
@keyframes glowPulse {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.6);
    }
}

/* Gradient Shift */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

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

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

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

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

/* Bounce */
@keyframes bounce {

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

    50% {
        transform: translateY(-8px);
    }
}

/* Shimmer */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* Background Glow */
@keyframes backgroundGlow {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

/* ==========================================
   ANIMATION UTILITY CLASSES
   ========================================== */

.animate-fade-in {
    animation: fadeIn var(--transition-duration-slow) var(--transition-timing-default) forwards;
}

.animate-fade-in-up {
    animation: fadeInUp var(--transition-duration-slow) var(--transition-timing-default) forwards;
}

.animate-fade-in-down {
    animation: fadeInDown var(--transition-duration-slow) var(--transition-timing-default) forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft var(--transition-duration-slow) var(--transition-timing-default) forwards;
}

.animate-fade-in-right {
    animation: fadeInRight var(--transition-duration-slow) var(--transition-timing-default) forwards;
}

.animate-scale-in {
    animation: scaleIn var(--transition-duration-slow) var(--transition-timing-default) forwards;
}

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

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

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

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

.animate-gradient {
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
}

.animate-rotate {
    animation: rotate 20s linear infinite;
}

/* ==========================================
   SCROLL-TRIGGERED ANIMATIONS
   ========================================== */

/* Initial hidden state for scroll animations */
[data-animate] {
    opacity: 0;
    transition: opacity var(--transition-duration-slow) var(--transition-timing-default),
        transform var(--transition-duration-slow) var(--transition-timing-default);
}

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-down"] {
    transform: translateY(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="scale"] {
    transform: scale(0.9);
}

[data-animate="zoom"] {
    transform: scale(0.8);
}

/* Visible state */
[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* Staggered animation delays */
[data-delay="100"] {
    transition-delay: 100ms;
}

[data-delay="200"] {
    transition-delay: 200ms;
}

[data-delay="300"] {
    transition-delay: 300ms;
}

[data-delay="400"] {
    transition-delay: 400ms;
}

[data-delay="500"] {
    transition-delay: 500ms;
}

[data-delay="600"] {
    transition-delay: 600ms;
}

[data-delay="700"] {
    transition-delay: 700ms;
}

[data-delay="800"] {
    transition-delay: 800ms;
}

/* ==========================================
   HOVER ANIMATIONS
   ========================================== */

.hover-lift {
    transition: transform var(--transition-duration-normal) var(--transition-timing-default);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-scale {
    transition: transform var(--transition-duration-normal) var(--transition-timing-default);
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-glow {
    transition: box-shadow var(--transition-duration-normal) var(--transition-timing-default);
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow-md);
}

/* ==========================================
   HERO SECTION ANIMATIONS
   ========================================== */

.hero__background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: -1;
}

.hero__gradient {
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    filter: blur(120px);
    animation: backgroundGlow 8s ease-in-out infinite;
}

.hero__gradient--primary {
    top: -200px;
    right: -200px;
    background: rgba(99, 102, 241, 0.3);
}

.hero__gradient--secondary {
    bottom: -300px;
    left: -200px;
    background: rgba(139, 92, 246, 0.2);
    animation-delay: 4s;
}

.hero__grid {
    position: absolute;
    inset: 0;
    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: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* Scroll Indicator */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.scroll-indicator__mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-text-tertiary);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator__wheel {
    width: 4px;
    height: 8px;
    background: var(--color-accent-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
}

/* ==========================================
   LOADING ANIMATIONS
   ========================================== */

.skeleton {
    background: linear-gradient(90deg,
            var(--color-bg-tertiary) 25%,
            var(--color-bg-elevated) 50%,
            var(--color-bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--border-radius-md);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-bg-tertiary);
    border-top-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

/* ==========================================
   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;
        scroll-behavior: auto !important;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
    }
}