/* ============================================
   أسطول الخبراء لخدمات التكييف
   ملف الحركات والتأثيرات (Animations)
   ============================================ */

/* ========== حركات الدخول ========== */

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

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

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

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-down {
    opacity: 0;
    animation: fadeInDown 0.8s ease forwards;
}

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

.fade-in-left {
    opacity: 0;
    animation: fadeInLeft 0.8s ease forwards;
}

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

.fade-in-right {
    opacity: 0;
    animation: fadeInRight 0.8s ease forwards;
}

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

.scale-in {
    opacity: 0;
    animation: scaleIn 0.6s ease forwards;
}

/* ========== حركات التأخير ========== */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }
.delay-8 { animation-delay: 0.8s; }

/* ========== حركات Scroll ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-right {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* ========== حركات مستمرة ========== */

/* نبض */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s ease infinite;
}

/* اهتزاز */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.8s ease;
}

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

.spin {
    animation: spin 2s linear infinite;
}

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

.wave {
    animation: wave 2s ease infinite;
}

/* وميض */
@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.blink {
    animation: blink 2s ease infinite;
}

/* ========== تأثيرات Hover ========== */

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

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

/* Hover Glow */
.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 25px rgba(21, 101, 192, 0.3);
}

/* Hover Zoom */
.hover-zoom {
    overflow: hidden;
}

.hover-zoom img {
    transition: transform 0.5s ease;
}

.hover-zoom:hover img {
    transform: scale(1.1);
}

/* Hover Border Glow */
.hover-border-glow {
    position: relative;
    transition: var(--transition);
}

.hover-border-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    border: 2px solid transparent;
    transition: var(--transition);
}

.hover-border-glow:hover::before {
    border-color: var(--secondary-color);
}

/* ========== تأثيرات البطاقات ========== */

/* تقليب البطاقة */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--radius-md);
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* ========== تأثير التحميل ========== */

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

.shimmer {
    background: linear-gradient(
        90deg,
        var(--light-bg) 25%,
        var(--border-color) 50%,
        var(--light-bg) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease infinite;
}

/* ========== تأثير العد ========== */

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

.count-up {
    animation: countUp 0.5s ease forwards;
}

/* ========== تأثيرات Hero خاصة ========== */

@keyframes heroBgZoom {
    from {
        transform: scale(1.1);
    }
    to {
        transform: scale(1);
    }
}

.hero-bg img {
    animation: heroBgZoom 10s ease forwards;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

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

/* تأثير الجزيئات للخلفية */
@keyframes particle {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: particle linear infinite;
}

/* ========== تأثيرات الزر ========== */

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform 0.5s, opacity 0.5s;
}

.btn-ripple:active::after {
    transform: scale(0, 0);
    opacity: 0.3;
    transition: 0s;
}

/* ========== تأثير التركيز ========== */

@keyframes focusIn {
    0% {
        filter: blur(10px);
        opacity: 0;
    }
    100% {
        filter: blur(0);
        opacity: 1;
    }
}

.focus-in {
    animation: focusIn 0.8s ease forwards;
}

/* ========== تأثير الشريط ========== */

@keyframes slideInBar {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.slide-in-bar::after {
    content: '';
    display: block;
    height: 3px;
    background: var(--secondary-color);
    animation: slideInBar 1s ease forwards;
}

/* ========== تأثير التحويلات المتتالية ========== */

.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.4s; }

/* ========== تأثير التحميل (Loading) ========== */

@keyframes loadingSpinner {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: loadingSpinner 0.8s linear infinite;
}

/* ========== تأثيرات النصوص ========== */

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.typewriter {
    overflow: hidden;
    white-space: nowrap;
    animation: typewriter 3s steps(40) forwards;
}

/* ========== تأثير الإشعار ========== */

@keyframes notification {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    10%, 90% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

.notification {
    animation: notification 4s ease forwards;
}

/* ========== تأثير البارالاكس ========== */

.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

@media (max-width: 768px) {
    .parallax {
        background-attachment: scroll;
    }
}

/* ========== تأثير الظل المتغير ========== */

@keyframes shadowPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(21, 101, 192, 0.2);
    }
    50% {
        box-shadow: 0 8px 30px rgba(21, 101, 192, 0.4);
    }
}

.shadow-pulse {
    animation: shadowPulse 2s ease infinite;
}

/* ========== تأثير التحديد ========== */

::selection {
    background: var(--primary-color);
    color: var(--white);
}

/* ========== تأثيرات الصفحات ========== */

.page-transition-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-transition-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ========== تأثيرات الأخطاء ========== */

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-10px); }
    80% { transform: translateX(10px); }
}

.error-shake {
    animation: errorShake 0.5s ease;
}

/* ========== تأثيرات النجاح ========== */

@keyframes successPop {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-pop {
    animation: successPop 0.5s ease forwards;
}

/* ========== تأثيرات التمرير ========== */

@keyframes scrollDown {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(10px);
        opacity: 0;
    }
}

.scroll-indicator {
    animation: scrollDown 1.5s ease infinite;
}