/* ==========================================
   WELCOME POPUP - پاپ‌آپ خوش‌آمدگویی
   ========================================= */

.welcome-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(15px) saturate(120%);
    -webkit-backdrop-filter: blur(15px) saturate(120%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.welcome-popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.welcome-popup-container {
    position: relative;
    width: 100%;
    max-width: 520px;
    background: linear-gradient(145deg,
        rgba(20, 20, 30, 0.95) 0%,
        rgba(15, 15, 25, 0.98) 100%
    );
    border-radius: 28px;
    border: 1px solid rgba(108, 99, 255, 0.2);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(108, 99, 255, 0.15),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.welcome-popup-overlay.show .welcome-popup-container {
    transform: scale(1);
}

/* Close Button */
.popup-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.popup-close-btn:hover {
    background: rgba(255, 60, 60, 0.15);
    border-color: rgba(255, 60, 60, 0.4);
    color: #ff6b6b;
    transform: rotate(90deg);
}

/* Popup Content */
.popup-content {
    position: relative;
    padding: 35px 35px 30px;
    z-index: 2;
}

/* Header */
.popup-header {
    text-align: center;
    margin-bottom: 25px;
}

.popup-icon {
    width: 65px;
    height: 65px;
    margin: 0 auto 15px;
    border-radius: 50%;
    background: linear-gradient(135deg,
        rgba(255, 215, 0, 0.2) 0%,
        rgba(255, 215, 0, 0.1) 100%
    );
    border: 2px solid rgba(255, 215, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #FFD700;
    animation: popupIconPulse 2s ease-in-out infinite;
}

@keyframes popupIconPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
    }
}

.popup-title {
    font-size: 26px;
    font-weight: 800;
    margin: 0 0 8px 0;
    background: linear-gradient(135deg,
        #fff 0%,
        rgba(255, 255, 255, 0.8) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.popup-subtitle {
    font-size: 14px;
    color: var(--color-text-muted);
    opacity: 0.8;
    margin: 0;
}

/* Body */
.popup-body {
    margin-bottom: 20px;
}

.popup-description {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    margin: 0 0 20px 0;
}

/* Features Section */
.popup-features {
    padding: 20px;
    border-radius: 18px;
    background: linear-gradient(145deg,
        rgba(108, 99, 255, 0.06) 0%,
        rgba(108, 99, 255, 0.02) 100%
    );
    border: 1px solid rgba(108, 99, 255, 0.15);
}

.features-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-accent);
    margin: 0 0 14px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.features-title i {
    font-size: 20px;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    padding: 6px 0;
    transition: all 0.3s ease;
}

.feature-item i {
    font-size: 18px;
    color: var(--color-accent);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    color: #fff;
    transform: translateX(-3px);
}

.feature-item:hover i {
    transform: scale(1.15);
    color: #FFD700;
}

/* Footer / CTA */
.popup-footer {
    display: flex;
    flex-direction: column;
}

.popup-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 26px;
    border-radius: 14px;
    background: linear-gradient(135deg,
        var(--color-accent) 0%,
        rgba(108, 99, 255, 0.9) 100%
    );
    border: none;
    color: white;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 
        0 10px 30px rgba(108, 99, 255, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.popup-cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.popup-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 15px 40px rgba(108, 99, 255, 0.5),
        inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.popup-cta-btn:hover::before {
    left: 100%;
}

.popup-cta-btn i {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.popup-cta-btn:hover i {
    transform: translateX(-3px);
}

/* Decorative Elements */
.popup-decoration {
    position: absolute;
    border-radius: 50%;
    z-index: 1;
    opacity: 0.3;
    pointer-events: none;
}

.popup-decoration-1 {
    width: 200px;
    height: 200px;
    top: -50px;
    left: -50px;
    background: radial-gradient(circle,
        rgba(108, 99, 255, 0.3) 0%,
        transparent 70%
    );
    animation: popupFloat1 6s ease-in-out infinite;
}

.popup-decoration-2 {
    width: 150px;
    height: 150px;
    bottom: -30px;
    right: -30px;
    background: radial-gradient(circle,
        rgba(255, 215, 0, 0.2) 0%,
        transparent 70%
    );
    animation: popupFloat2 5s ease-in-out infinite;
}

@keyframes popupFloat1 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(10px, -10px) scale(1.1);
    }
}

@keyframes popupFloat2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(-10px, 10px) scale(1.15);
    }
}

/* ==========================================
   RESPONSIVE DESIGN - طراحی ریسپانسیو
   ========================================= */

/* ===== Desktop Large (1440px+) ===== */
@media (min-width: 1440px) {
    .welcome-popup-container {
        max-width: 560px;
    }
    
    .popup-content {
        padding: 40px 40px 35px;
    }
    
    .popup-icon {
        width: 70px;
        height: 70px;
        font-size: 34px;
        margin: 0 auto 18px;
    }
    
    .popup-title {
        font-size: 28px;
        margin: 0 0 10px 0;
    }
    
    .popup-subtitle {
        font-size: 15px;
    }
    
    .popup-description {
        font-size: 15px;
        line-height: 1.8;
        margin: 0 0 22px 0;
    }
    
    .popup-features {
        padding: 22px;
        border-radius: 20px;
    }
    
    .features-title {
        font-size: 17px;
        margin: 0 0 16px 0;
    }
    
    .features-list {
        gap: 10px;
    }
    
    .feature-item {
        font-size: 14px;
        padding: 7px 0;
    }
    
    .feature-item i {
        font-size: 19px;
    }
    
    .popup-cta-btn {
        padding: 16px 28px;
        font-size: 16px;
        border-radius: 15px;
    }
    
    .popup-cta-btn i {
        font-size: 19px;
    }
}

/* ===== Desktop Medium (1024px - 1439px) ===== */
@media (min-width: 1024px) and (max-width: 1439px) {
    .welcome-popup-container {
        max-width: 540px;
    }
    
    .popup-content {
        padding: 36px 36px 32px;
    }
}

/* ===== Tablet Large (769px - 1023px) ===== */
@media (min-width: 769px) and (max-width: 1023px) {
    .welcome-popup-overlay {
        padding: 15px;
    }
    
    .welcome-popup-container {
        max-width: 500px;
    }
    
    .popup-content {
        padding: 32px 30px 28px;
    }
    
    .popup-close-btn {
        width: 38px;
        height: 38px;
        font-size: 20px;
        top: 18px;
        right: 18px;
    }
    
    .popup-header {
        margin-bottom: 22px;
    }
    
    .popup-icon {
        width: 62px;
        height: 62px;
        font-size: 31px;
        margin: 0 auto 14px;
    }
    
    .popup-title {
        font-size: 24px;
        margin: 0 0 8px 0;
    }
    
    .popup-subtitle {
        font-size: 13.5px;
    }
    
    .popup-body {
        margin-bottom: 18px;
    }
    
    .popup-description {
        font-size: 13.5px;
        margin: 0 0 18px 0;
    }
    
    .popup-features {
        padding: 19px;
        border-radius: 16px;
    }
    
    .features-title {
        font-size: 15.5px;
        margin: 0 0 13px 0;
    }
    
    .features-list {
        gap: 7px;
    }
    
    .feature-item {
        font-size: 12.5px;
        padding: 6px 0;
    }
    
    .feature-item i {
        font-size: 17px;
    }
    
    .popup-cta-btn {
        padding: 14px 24px;
        font-size: 14.5px;
    }
}

/* ===== Tablet Small / Mobile Large (641px - 768px) ===== */
@media (min-width: 641px) and (max-width: 768px) {
    .welcome-popup-overlay {
        padding: 15px;
    }
    
    .welcome-popup-container {
        max-width: 480px;
    }
    
    .popup-content {
        padding: 30px 28px 26px;
    }
    
    .popup-close-btn {
        width: 36px;
        height: 36px;
        font-size: 19px;
        top: 16px;
        right: 16px;
    }
    
    .popup-header {
        margin-bottom: 20px;
    }
    
    .popup-icon {
        width: 58px;
        height: 58px;
        font-size: 29px;
        margin: 0 auto 13px;
    }
    
    .popup-title {
        font-size: 22px;
        margin: 0 0 7px 0;
    }
    
    .popup-subtitle {
        font-size: 13px;
    }
    
    .popup-body {
        margin-bottom: 17px;
    }
    
    .popup-description {
        font-size: 13px;
        line-height: 1.65;
        margin: 0 0 17px 0;
    }
    
    .popup-features {
        padding: 18px;
        border-radius: 15px;
    }
    
    .features-title {
        font-size: 15px;
        margin: 0 0 12px 0;
    }
    
    .features-title i {
        font-size: 18px;
    }
    
    .features-list {
        gap: 7px;
    }
    
    .feature-item {
        font-size: 12px;
        gap: 9px;
        padding: 5px 0;
    }
    
    .feature-item i {
        font-size: 16px;
    }
    
    .popup-cta-btn {
        padding: 13px 22px;
        font-size: 14px;
        border-radius: 13px;
    }
    
    .popup-cta-btn i {
        font-size: 17px;
    }
}

/* ===== Mobile Large (481px - 640px) ===== */
@media (min-width: 481px) and (max-width: 640px) {
    .welcome-popup-overlay {
        padding: 12px;
    }
    
    .welcome-popup-container {
        max-width: 420px;
        border-radius: 26px;
    }
    
    .popup-content {
        padding: 28px 24px 24px;
    }
    
    .popup-close-btn {
        width: 35px;
        height: 35px;
        font-size: 18px;
        top: 14px;
        right: 14px;
    }
    
    .popup-header {
        margin-bottom: 18px;
    }
    
    .popup-icon {
        width: 56px;
        height: 56px;
        font-size: 28px;
        margin: 0 auto 12px;
    }
    
    .popup-title {
        font-size: 21px;
        margin: 0 0 7px 0;
    }
    
    .popup-subtitle {
        font-size: 12.5px;
    }
    
    .popup-body {
        margin-bottom: 16px;
    }
    
    .popup-description {
        font-size: 12.5px;
        line-height: 1.6;
        margin: 0 0 16px 0;
    }
    
    .popup-features {
        padding: 17px;
        border-radius: 14px;
    }
    
    .features-title {
        font-size: 14.5px;
        margin: 0 0 11px 0;
        gap: 7px;
    }
    
    .features-title i {
        font-size: 17px;
    }
    
    .features-list {
        gap: 6px;
    }
    
    .feature-item {
        font-size: 11.5px;
        gap: 8px;
        padding: 5px 0;
    }
    
    .feature-item i {
        font-size: 15.5px;
    }
    
    .popup-cta-btn {
        padding: 12px 20px;
        font-size: 13.5px;
        border-radius: 12px;
    }
    
    .popup-cta-btn i {
        font-size: 16px;
    }
}

/* ===== Mobile Medium (376px - 480px) ===== */
@media (min-width: 376px) and (max-width: 480px) {
    .welcome-popup-overlay {
        padding: 10px;
    }
    
    .welcome-popup-container {
        max-width: 95%;
        border-radius: 24px;
    }
    
    .popup-content {
        padding: 26px 20px 22px;
    }
    
    .popup-close-btn {
        width: 34px;
        height: 34px;
        font-size: 17px;
        top: 12px;
        right: 12px;
    }
    
    .popup-header {
        margin-bottom: 16px;
    }
    
    .popup-icon {
        width: 54px;
        height: 54px;
        font-size: 27px;
        margin: 0 auto 11px;
    }
    
    .popup-title {
        font-size: 19px;
        margin: 0 0 6px 0;
    }
    
    .popup-subtitle {
        font-size: 12px;
    }
    
    .popup-body {
        margin-bottom: 15px;
    }
    
    .popup-description {
        font-size: 12px;
        line-height: 1.6;
        margin: 0 0 15px 0;
    }
    
    .popup-features {
        padding: 16px;
        border-radius: 14px;
    }
    
    .features-title {
        font-size: 14px;
        margin: 0 0 10px 0;
        gap: 7px;
    }
    
    .features-title i {
        font-size: 16px;
    }
    
    .features-list {
        gap: 6px;
    }
    
    .feature-item {
        font-size: 11px;
        gap: 8px;
        padding: 4px 0;
    }
    
    .feature-item i {
        font-size: 15px;
    }
    
    .popup-cta-btn {
        padding: 11px 18px;
        font-size: 13px;
        border-radius: 12px;
    }
    
    .popup-cta-btn i {
        font-size: 15px;
    }
}

/* ===== Mobile Small (max 375px) ===== */
@media (max-width: 375px) {
    .welcome-popup-overlay {
        padding: 8px;
    }
    
    .welcome-popup-container {
        max-width: 96%;
        border-radius: 22px;
    }
    
    .popup-content {
        padding: 24px 18px 20px;
    }
    
    .popup-close-btn {
        width: 32px;
        height: 32px;
        font-size: 16px;
        top: 10px;
        right: 10px;
    }
    
    .popup-header {
        margin-bottom: 15px;
    }
    
    .popup-icon {
        width: 50px;
        height: 50px;
        font-size: 25px;
        margin: 0 auto 10px;
        border-width: 1.5px;
    }
    
    .popup-title {
        font-size: 18px;
        margin: 0 0 5px 0;
        letter-spacing: -0.3px;
    }
    
    .popup-subtitle {
        font-size: 11.5px;
    }
    
    .popup-body {
        margin-bottom: 14px;
    }
    
    .popup-description {
        font-size: 11.5px;
        line-height: 1.55;
        margin: 0 0 14px 0;
    }
    
    .popup-features {
        padding: 14px;
        border-radius: 12px;
    }
    
    .features-title {
        font-size: 13px;
        margin: 0 0 9px 0;
        gap: 6px;
    }
    
    .features-title i {
        font-size: 15px;
    }
    
    .features-list {
        gap: 5px;
    }
    
    .feature-item {
        font-size: 10.5px;
        gap: 7px;
        padding: 4px 0;
    }
    
    .feature-item i {
        font-size: 14px;
    }
    
    .popup-cta-btn {
        padding: 11px 16px;
        font-size: 12.5px;
        border-radius: 11px;
        gap: 8px;
    }
    
    .popup-cta-btn i {
        font-size: 14px;
    }
    
    .popup-cta-btn .btn-text {
        letter-spacing: -0.2px;
    }
}

/* ===== Landscape Mode - حالت افقی ===== */
@media (max-height: 600px) and (orientation: landscape) {
    .welcome-popup-overlay {
        padding: 10px;
        align-items: flex-start;
        overflow-y: auto;
        padding-top: 20px;
        padding-bottom: 20px;
    }
    
    .welcome-popup-container {
        max-width: 520px;
        border-radius: 20px;
        margin: auto;
    }
    
    .popup-content {
        padding: 22px 28px 20px;
    }
    
    .popup-close-btn {
        width: 32px;
        height: 32px;
        font-size: 16px;
        top: 10px;
        right: 10px;
    }
    
    .popup-header {
        margin-bottom: 12px;
    }
    
    .popup-icon {
        width: 50px;
        height: 50px;
        font-size: 25px;
        margin: 0 auto 8px;
    }
    
    .popup-title {
        font-size: 19px;
        margin: 0 0 4px 0;
    }
    
    .popup-subtitle {
        font-size: 11.5px;
    }
    
    .popup-body {
        margin-bottom: 12px;
    }
    
    .popup-description {
        font-size: 11.5px;
        line-height: 1.5;
        margin: 0 0 12px 0;
    }
    
    .popup-features {
        padding: 14px;
        border-radius: 12px;
    }
    
    .features-title {
        font-size: 13px;
        margin: 0 0 8px 0;
    }
    
    .features-title i {
        font-size: 15px;
    }
    
    .features-list {
        gap: 4px;
    }
    
    .feature-item {
        font-size: 10.5px;
        gap: 7px;
        padding: 3px 0;
    }
    
    .feature-item i {
        font-size: 13px;
    }
    
    .popup-cta-btn {
        padding: 10px 18px;
        font-size: 12.5px;
        border-radius: 10px;
    }
    
    .popup-cta-btn i {
        font-size: 14px;
    }
}

/* ===== Small Height Landscape ===== */
@media (max-height: 500px) and (orientation: landscape) {
    .popup-content {
        padding: 18px 24px 16px;
    }
    
    .popup-header {
        margin-bottom: 10px;
    }
    
    .popup-icon {
        width: 45px;
        height: 45px;
        font-size: 22px;
        margin: 0 auto 6px;
    }
    
    .popup-title {
        font-size: 17px;
    }
    
    .popup-subtitle {
        font-size: 10.5px;
    }
    
    .popup-body {
        margin-bottom: 10px;
    }
    
    .popup-description {
        font-size: 10.5px;
        margin: 0 0 10px 0;
    }
    
    .popup-features {
        padding: 12px;
    }
    
    .features-title {
        font-size: 12px;
        margin: 0 0 6px 0;
    }
    
    .features-list {
        gap: 3px;
    }
    
    .feature-item {
        font-size: 10px;
        padding: 2px 0;
    }
    
    .popup-cta-btn {
        padding: 9px 16px;
        font-size: 12px;
    }
}

/* ===== High Resolution Displays ===== */
@media (min-width: 1600px) {
    .welcome-popup-container {
        max-width: 600px;
    }
    
    .popup-content {
        padding: 45px 45px 40px;
    }
    
    .popup-icon {
        width: 75px;
        height: 75px;
        font-size: 36px;
        margin: 0 auto 20px;
    }
    
    .popup-title {
        font-size: 30px;
        margin: 0 0 12px 0;
    }
    
    .popup-subtitle {
        font-size: 16px;
    }
    
    .popup-description {
        font-size: 16px;
        line-height: 1.85;
        margin: 0 0 24px 0;
    }
    
    .popup-features {
        padding: 24px;
    }
    
    .features-title {
        font-size: 18px;
        margin: 0 0 18px 0;
    }
    
    .features-list {
        gap: 11px;
    }
    
    .feature-item {
        font-size: 15px;
        padding: 8px 0;
    }
    
    .feature-item i {
        font-size: 20px;
    }
    
    .popup-cta-btn {
        padding: 17px 30px;
        font-size: 17px;
        border-radius: 16px;
    }
    
    .popup-cta-btn i {
        font-size: 20px;
    }
}