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

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 10px currentColor;
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 20px currentColor;
    }
}

/* Glow Pulse */
@keyframes glow-pulse {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.05);
    }
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade Up */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Scale Up */
@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Rotate */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Shimmer */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Bounce */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Number Counter */
@keyframes counter {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Particle Float */
@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100px);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-100px);
    }
}

/* Gradient Shift */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Wave */
@keyframes wave {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-10px);
    }
    50% {
        transform: translateY(0);
    }
    75% {
        transform: translateY(-5px);
    }
}

/* Card Hover Glow */
@keyframes cardGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.1);
    }
    50% {
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
    }
}

/* Blink */
@keyframes blink {
    0%, 49%, 100% {
        opacity: 1;
    }
    50%, 99% {
        opacity: 0.3;
    }
}

/* Slide Down */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Gradient Border */
@keyframes gradientBorder {
    0% {
        border-color: rgba(99, 102, 241, 0.5);
    }
    50% {
        border-color: rgba(139, 92, 246, 0.5);
    }
    100% {
        border-color: rgba(99, 102, 241, 0.5);
    }
}

/* ==================== SCROLL ANIMATIONS ==================== */

/* Data Attribute Based Animations */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-up"][data-aos-delay="100"] {
    transition-delay: 0.1s;
}

[data-aos="fade-up"][data-aos-delay="200"] {
    transition-delay: 0.2s;
}

[data-aos="fade-up"][data-aos-delay="300"] {
    transition-delay: 0.3s;
}

[data-aos="fade-up"][data-aos-delay="400"] {
    transition-delay: 0.4s;
}

[data-aos="fade-up"][data-aos-delay="500"] {
    transition-delay: 0.5s;
}

[data-aos="fade-up"][data-aos-delay="600"] {
    transition-delay: 0.6s;
}

[data-aos="fade-up"][data-aos-delay="700"] {
    transition-delay: 0.7s;
}

/* ==================== NUMBER ANIMATION ==================== */

.stat-number {
    position: relative;
}

.stat-number::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.1) 50%, transparent 100%);
    opacity: 0;
    animation: shimmer 2s infinite;
}

/* ==================== TEXT ANIMATIONS ==================== */

.hero-title {
    animation: slideInLeft 0.8s ease-out;
}

.hero-subtitle {
    animation: fadeUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    animation: fadeUp 0.8s ease-out 0.4s both;
}

/* ==================== CARD ANIMATIONS ==================== */

.product-card,
.tech-card,
.research-card,
.guide-card,
.feature-item,
.stat-box {
    position: relative;
    overflow: hidden;
}

.product-card::before,
.tech-card::before,
.research-card::before,
.guide-card::before,
.feature-item::before,
.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
}

.product-card:hover::before,
.tech-card:hover::before,
.research-card:hover::before,
.guide-card:hover::before,
.feature-item:hover::before,
.stat-box:hover::before {
    left: 100%;
}

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

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: rotate 0.8s linear infinite;
}

/* ==================== TRANSITION CLASSES ==================== */

.transition-fast {
    transition: all 0.2s ease;
}

.transition-base {
    transition: all 0.3s ease;
}

.transition-slow {
    transition: all 0.5s ease;
}

/* ==================== VISIBILITY UTILITIES ==================== */

.opacity-0 {
    opacity: 0;
}

.opacity-50 {
    opacity: 0.5;
}

.opacity-100 {
    opacity: 1;
}

/* ==================== INTERACTIVE ANIMATIONS ==================== */

button:active:not(:disabled) {
    transform: scale(0.98);
}

a:active {
    opacity: 0.8;
}

/* ==================== SMOOTH TRANSITIONS ==================== */

* {
    transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

button,
a {
    transition-duration: 200ms;
}

/* Disable transitions for reduced motion preference */
@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;
    }
}

/* ==================== DARK MODE OPTIMIZATIONS ==================== */

@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #6366f1;
        --secondary-color: #8b5cf6;
        --accent-color: #ec4899;
        --dark-bg: #0f1117;
        --darker-bg: #0a0d14;
        --card-bg: #151b24;
    }
}

/* ==================== HIGH CONTRAST MODE ==================== */

@media (prefers-contrast: more) {
    :root {
        --primary-color: #4f46e5;
        --secondary-color: #7c3aed;
        --accent-color: #db2777;
    }

    .btn-primary {
        border: 2px solid var(--primary-color);
    }
}