.about-hero {
    /* background: linear-gradient(135deg, 
        rgba(26, 115, 232, 0.85) 0%, 
        rgba(13, 71, 161, 0.8) 50%,
        rgba(26, 115, 232, 0.7) 100%),
        url('https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1167&q=80'); */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path fill="rgba(255,255,255,0.05)" d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" opacity=".25" class="shape-fill"></path></svg>');
    background-size: cover;
    animation: float 6s ease-in-out infinite;
}

.about-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(transparent, rgba(255, 255, 255, 0.1));
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
}

.about-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.about-hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 25px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #ffffff, #e3f2fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.about-hero h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(45deg, var(--accent-color), #ffffff);
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(0, 229, 255, 0.5);
}

.about-hero p {
    font-size: 1.3rem;
    line-height: 1.8;
    margin: 0 auto 35px;
    max-width: 600px;
    opacity: 0.95;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    font-weight: 400;
}

/* Breadcrumb بهبود یافته */
.breadcrumb {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 50px;
    padding: 12px 30px;
    display: inline-flex;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.breadcrumb::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.breadcrumb:hover::before {
    transform: translateX(100%);
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.breadcrumb-item a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

.breadcrumb-item.active {
    color: var(--accent-color);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.6);
    font-weight: bold;
    margin: 0 15px;
}

/* عناصر شناور */
.floating-elements {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.3);
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 20%;
    right: 10%;
    animation-delay: 0s;
    font-size: 2.5rem;
}

.floating-icon:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 1s;
    color: rgba(255, 255, 255, 0.4);
}

.floating-icon:nth-child(3) {
    top: 30%;
    left: 10%;
    animation-delay: 2s;
    font-size: 3rem;
}

.floating-icon:nth-child(4) {
    top: 70%;
    left: 20%;
    animation-delay: 3s;
    color: rgba(255, 255, 255, 0.35);
}

.floating-icon:nth-child(5) {
    top: 50%;
    right: 50%;
    animation-delay: 4s;
    font-size: 2.2rem;
}

/* انیمیشن‌ها */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* انیمیشن برای محتوا */
.about-hero-content h1 {
    animation: fadeInUp 1s ease-out;
}

.about-hero-content p {
    animation: fadeInUp 1s ease-out 0.3s both;
}

.about-hero-content .breadcrumb {
    animation: fadeInUp 1s ease-out 0.6s both;
}

/* دکمه CTA اضافی */
.hero-cta {
    margin-top: 30px;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(45deg, var(--accent-color), #29b6f6);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 229, 255, 0.4);
    border: 2px solid transparent;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.6);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.cta-btn.outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    margin-right: 15px;
}

.cta-btn.outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* رسپانسیو */
@media (max-width: 768px) {
    .about-hero {
        padding: 60px 0 40px;
        min-height: 50vh;
        background-attachment: scroll;
    }
    
    .about-hero h1 {
        font-size: 2.2rem;
    }
    
    .about-hero p {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    .breadcrumb {
        padding: 10px 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .floating-icon {
        font-size: 1.5rem;
    }
    
    .cta-btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .about-hero {
        padding: 50px 0 30px;
    }
    
    .about-hero h1 {
        font-size: 1.8rem;
    }
    
    .about-hero p {
        font-size: 1rem;
    }
    
    .breadcrumb {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .floating-icon {
        display: none;
    }
    
    .cta-buttons {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .cta-btn.outline {
        margin-right: 0;
    }
}
/* استایل‌های بخش ماموریت و چشم‌انداز با رنگ‌بندی یکسان و زیبا */
.mission-vision {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.mission-vision::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(rgba(248, 249, 250, 0.9), transparent);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 80%);
}

/* کانتینر flip */
.flip-container {
    perspective: 1500px;
    margin-bottom: 30px;
    height: 550px;
}

.flip-card {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 25px;
    cursor: pointer;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

/* طرفین کارت */
.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 25px;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

/* جلوی کارت - طراحی یکسان برای هر دو */
.card-front {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-top: 6px solid var(--primary-color);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* پشت کارت - طراحی یکسان و زیبا برای هر دو */
.card-back {
    background: linear-gradient(135deg, 
        var(--dark-color) 0%, 
        var(--gradient-start) 50%,
        var(--gradient-end) 100%);
    color: #f7fafc;
    transform: rotateY(180deg);
    position: relative;
}

.card-back::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(74, 144, 226, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(66, 153, 225, 0.15) 0%, transparent 50%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path fill="rgba(255,255,255,0.03)" d="M0,0L100,0L100,100L0,100Z"/></svg>');
    background-size: cover;
}

.card-back::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.flip-container:hover .card-back::after {
    transform: translateX(100%);
}

/* آیکون‌های پشت کارت */
.back-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.2rem;
    color: #90cdf4;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(144, 205, 244, 0.3);
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
}

.flip-container:hover .back-icon {
    transform: scale(1.1) rotate(15deg);
    background: linear-gradient(135deg, rgba(66, 153, 225, 0.3), rgba(100, 181, 246, 0.25));
    color: #bee3f8;
    border-color: rgba(190, 227, 248, 0.5);
}

/* آیکون‌های جلوی کارت */
.mission-icon,
.vision-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg,var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 2.8rem;
    color: #fff;
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(44, 90, 160, 0.2);
}

.flip-container:hover .mission-icon,
.flip-container:hover .vision-icon {
    transform: scale(1.1) rotate(10deg);
}

/* تایپوگرافی */
.card-front h3 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: #2d3748;
    font-weight: 800;
    line-height: 1.2;
}

.card-front p {
    color: #4a5568;
    line-height: 1.9;
    font-size: 1.1rem;
    margin-bottom: 0;
}

.card-back h4 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #f7fafc;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.card-back-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

/* لیست‌های پشت کارت */
.features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
    text-align: right;
}

.feature-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #4299e1, #48bb78);
    transition: width 0.3s ease;
}

.feature-item:hover::before {
    width: 100%;
    opacity: 0.1;
}

.feature-item:hover {
    transform: translateX(-10px);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-text {
    flex: 1;
    padding-left: 15px;
    font-size: 1.05rem;
    font-weight: 500;
    color: #e2e8f0;
    line-height: 1.5;
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #90cdf4;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.feature-item:hover .feature-icon {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
    color: #bee3f8;
}

/* دکمه CTA در پشت کارت */
.card-back-cta {
    position: relative;
    z-index: 2;
    margin-top: 25px;
}

.back-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(45deg, rgba(66, 153, 225, 0.2), rgba(100, 181, 246, 0.25));
    color: #f7fafc;
    padding: 14px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s ease;
    border: 2px solid rgba(144, 205, 244, 0.4);
    backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
    font-size: 1.1rem;
}

.back-cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.back-cta-btn:hover::before {
    transform: translateX(100%);
}

.back-cta-btn:hover {
    background: linear-gradient(45deg, rgba(66, 153, 225, 0.3), rgba(100, 181, 246, 0.35));
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(66, 153, 225, 0.3);
    border-color: rgba(190, 227, 248, 0.6);
    color: white;
}

/* انیمیشن‌های ویژه */
@keyframes flipIn {
    from {
        opacity: 0;
        transform: rotateY(90deg) scale(0.8);
    }
    to {
        opacity: 1;
        transform: rotateY(0) scale(1);
    }
}

.flip-card {
    animation: flipIn 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.flip-container:nth-child(1) .flip-card {
    animation-delay: 0.2s;
}

.flip-container:nth-child(2) .flip-card {
    animation-delay: 0.4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

/* افکت‌های hover اضافی */
.flip-container {
    transition: transform 0.3s ease;
}

.flip-container:hover {
    transform: translateY(-15px);
}

/* دکمه بازگشت */
.flip-hint {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.flip-container:hover .flip-hint {
    opacity: 1;
}

/* رسپانسیو */
@media (max-width: 768px) {
    .flip-container {
        height: 400px;
        margin-bottom: 25px;
    }
    
    .card-front,
    .card-back {
        padding: 40px 30px;
    }
    
    .mission-icon,
    .vision-icon {
        width: 80px;
        height: 80px;
        font-size: 2.2rem;
        margin-bottom: 25px;
    }
    
    .back-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
    
    .card-front h3 {
        font-size: 1.7rem;
        margin-bottom: 20px;
    }
    
    .card-back h4 {
        font-size: 1.5rem;
    }
    
    .feature-item {
        padding: 10px 15px;
        margin-bottom: 15px;
    }
    
    .feature-text {
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    .flip-container {
        height: 380px;
    }
    
    .card-front,
    .card-back {
        padding: 35px 25px;
    }
    
    .mission-icon,
    .vision-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .back-icon {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
    }
    
    .card-front h3 {
        font-size: 1.5rem;
    }
    
    .card-back h4 {
        font-size: 1.3rem;
    }
    
    .back-cta-btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
}
.breadcrumb-item+.breadcrumb-item::before {
    float: right;
    padding-right: var(--bs-breadcrumb-item-padding-x);
}