/* Welcome Section - Modern About ISAR 2026 */
.welcome-section {
    position: relative;
    padding: 60px 0;
    background-color: #f9f9f9;
    overflow: hidden;
}

.welcome-section::before,
.welcome-section::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    opacity: 0.05;
    z-index: 0;
}

.welcome-section::before {
    top: -100px;
    right: -100px;
    background: #4E0652;
}

.welcome-section::after {
    bottom: -100px;
    left: -100px;
    background: #006798;
}

.welcome-box {
    position: relative;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    border-top: 4px solid #005580;
    z-index: 1;
}

.welcome-inner {
    position: relative;
    padding: 30px;
}

.welcome-image-wrap {
    position: relative;
    padding: 10px;
}

.main-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    transition: all 0.5s ease;
}

.main-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(78, 6, 82, 0.1), rgba(157, 42, 149, 0.1));
    opacity: 0;
    z-index: 1;
    transition: opacity 0.5s ease;
}

.main-image:hover::before {
    opacity: 1;
}

.main-image:hover {
    transform: translateY(-5px);
}

.main-image img {
    width: 100%;
    height: 550px;
    transition: all 0.5s ease;
}

.main-image:hover img {
    transform: scale(1.05);
}

.exp-box {
    position: absolute;
    bottom: 0;
    right: 0;
    /*background: linear-gradient(135deg, #4E0652, #9D2A95);
    box-shadow: 0 10px 20px rgba(78, 6, 82, 0.3);*/
    background: linear-gradient(135deg, #002941, #006798);
    box-shadow: 0 10px 20px rgba(0, 41, 65, 0.3);
    color: #ffffff;
    padding: 15px;
    border-radius: 10px;
    
    width: 150px;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 2;
}

.welcome-image-wrap:hover .exp-box {
    transform: translateY(-20px);
}

/* Mobile version of exp-box that will only show on small screens */
.mobile-exp-box {
    display: none;
    background: linear-gradient(135deg, #002941, #006798);
    color: #ffffff;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 41, 65, 0.3);
    width: 100%;
    margin: 15px 0;
    text-align: center;
}

.mobile-exp-box .exp-icon {
    text-align: center;
    margin-bottom: 5px;
}

.mobile-exp-box .exp-icon i {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
}

.mobile-exp-box h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 5px;
    text-align: center;
    color: #ffffff;
}

.mobile-exp-box p {
    font-size: 14px;
    margin: 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
}

.exp-icon {
    text-align: center;
    margin-bottom: 5px;
}

.exp-icon i {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
}

.exp-box h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 5px;
    text-align: center;
    color: #ffffff;
}

.exp-box p {
    font-size: 13px;
    margin: 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
}

.welcome-content {
    position: relative;
    padding: 15px 0 15px 15px;
}

.welcome-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    color: #006798;
    margin-bottom: 10px;
    position: relative;
    padding-left: 15px;
    letter-spacing: 1px;
}

.welcome-tag:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 2px;
    background-color: #005580;
}

.welcome-title {
    font-size: 28px;
    font-weight: 700;
    color: #005580;
    margin-bottom: 15px;
    line-height: 1.2;
}

.welcome-text p {
    font-size: 15px;
    line-height: 1.6;
    color: #555555;
    margin-bottom: 12px;
}

.welcome-features {
    display: flex;
    flex-wrap: wrap;
    margin: 20px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-right: 20px;
    margin-bottom: 12px;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
}

.feature-item i {
    font-size: 16px;
    width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    background: rgba(126, 127, 190, 0.1);
    color: #7E7FBE;
    border-radius: 50%;
    margin-right: 8px;
    transition: all 0.3s ease;
}

.feature-item:nth-child(1) i {
    background: rgba(78, 6, 82, 0.1);
    color: #4E0652;
}

.feature-item:nth-child(2) i {
    background: rgba(78, 6, 82, 0.1);
    color: #4E0652;
}

.feature-item:nth-child(3) i {
    background: rgba(78, 6, 82, 0.1);
    color: #4E0652;
}

.feature-item:hover i {
    background: #4E0652;
    color: #ffffff;
}

.feature-item:nth-child(1):hover i {
    background: #4E0652;
}

.feature-item:nth-child(2):hover i {
    background: #4E0652;
}

.feature-item:nth-child(3):hover i {
    background: #4E0652;
}

.feature-item span {
    font-size: 14px;
    font-weight: 500;
    color: #333333;
}

.welcome-btn {
    margin-top: 20px;
}

.welcome-btn .theme-btn.btn-style-one {
    background: linear-gradient(to right, #4E0652, #9D2A95);
    border-color: #4E0652;
    position: relative;
    overflow: hidden;
    padding: 10px 22px;
}

.welcome-btn .theme-btn.btn-style-one: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: all 0.6s ease;
}

.welcome-btn .theme-btn.btn-style-one:hover:before {
    left: 100%;
}

.welcome-btn .theme-btn.btn-style-one:hover {
    background: linear-gradient(to right, #9D2A95, #4E0652);
}

/* Responsive styles for Welcome Section */
@media only screen and (max-width: 1199px) {
    .welcome-section {
        padding: 50px 0;
    }
    
    .welcome-inner {
        padding: 25px;
    }
    
    .welcome-title {
        font-size: 26px;
    }
    
    .exp-box {
        width: 140px;
        padding: 12px;
    }
    
    .exp-icon i {
        font-size: 22px;
    }
    
    .exp-box h4 {
        font-size: 17px;
    }
}

@media only screen and (max-width: 991px) {
    .welcome-section {
        padding: 40px 0;
    }
    
    .welcome-image-col {
        margin-bottom: 20px;
    }
    
    .welcome-content {
        padding: 5px 0;
    }
    
    .exp-box {
        position: relative;
        bottom: 30px;
        right: 0;
        margin-left: auto;
        width: 130px;
    }
    
    .welcome-inner {
        padding: 20px;
    }
    
    .welcome-image-wrap {
        padding: 5px;
    }

    .row.align-items-center {
        margin: 0 -10px;
    }

    .welcome-image-col, 
    .welcome-content-col {
        padding-left: 10px;
        padding-right: 10px;
    }
}

@media only screen and (max-width: 767px) {
    .welcome-section {
        padding: 30px 0;
    }
    
    .welcome-inner {
        padding: 20px 15px;
    }
    
    .welcome-title {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .welcome-text p {
        font-size: 14px;
        margin-bottom: 10px;
    }
    
    .welcome-features {
        margin: 15px 0;
    }
    
    .feature-item {
        margin-right: 15px;
        margin-bottom: 10px;
    }
    
    /* Hide desktop exp-box and show mobile one */
    .exp-box {
        display: none;
    }
    
    .mobile-exp-box {
        display: block;
    }
    
    .auto-container {
        padding: 0 15px;
    }
    
    .welcome-text .event-date {
        gap: 10px;
    }
    
    .welcome-text .event-date span {
        padding: 6px 12px;
        font-size: 13px;
    }

    .welcome-text .greeting {
        font-size: 15px;
    }
    
    .welcome-btn {
        text-align: center;
        margin-top: 25px;
    }
    
    .welcome-btn .theme-btn.btn-style-one {
        display: inline-block;
        min-width: 200px;
    }
}

@media only screen and (max-width: 575px) {
    .welcome-section {
        padding: 25px 0 15px;
    }
    
    .welcome-inner {
        padding: 15px 12px;
    }
    
    .welcome-title {
        font-size: 22px;
    }
    
    .welcome-features {
        flex-direction: column;
        margin: 12px 0;
    }
    
    .feature-item {
        margin-right: 0;
        margin-bottom: 8px;
    }
    
    .feature-item i {
        width: 32px;
        height: 32px;
        line-height: 32px;
        font-size: 14px;
    }
    
    .feature-item span {
        font-size: 13px;
    }
    
    .welcome-btn {
        margin-top: 20px;
        display: flex;
        justify-content: center;
    }
    
    .welcome-btn .theme-btn.btn-style-one {
        padding: 10px 20px;
        font-size: 14px;
        min-width: 180px;
    }
    
    .welcome-text p {
        font-size: 13px;
        line-height: 1.5;
        margin-bottom: 10px;
    }
    
    .mobile-exp-box {
        margin: 10px 0;
        padding: 15px 10px;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(78, 6, 82, 0.2);
    }
    
    .mobile-exp-box .exp-icon i {
        font-size: 22px;
    }
    
    .mobile-exp-box h4 {
        font-size: 18px;
        margin: 5px 0;
        font-weight: 700;
    }
    
    .mobile-exp-box p {
        font-size: 15px;
        margin-top: 5px;
    }

    .pattern-layer {
        display: none;
    }
    
    .welcome-text .event-date {
        gap: 8px;
        margin: 15px 0;
        justify-content: flex-start;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .welcome-text .event-date span {
        padding: 5px 10px;
        font-size: 12px;
        width: auto;
    }
    
    .welcome-text .greeting {
        font-size: 14px;
    }
    
    .welcome-text .theme-highlight {
        display: inline;
    }
    
    .welcome-text .event-date span i {
        margin-right: 4px;
        font-size: 11px;
    }
}

/* Pattern Layers */
.welcome-section .pattern-layer {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.welcome-section .pattern-layer .pattern-1 {
    position: absolute;
    left: 5%;
    top: 20%;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgba(48, 201, 184, 0.1);
}

.welcome-section .pattern-layer .pattern-2 {
    position: absolute;
    right: 5%;
    top: 30%;
    width: 35px;
    height: 35px;
    border-radius: 8px;
    transform: rotate(45deg);
    background-color: rgba(157, 42, 149, 0.1);
}

.welcome-section .pattern-layer .pattern-3 {
    position: absolute;
    left: 10%;
    bottom: 20%;
    width: 18px;
    height: 18px;
    background-color: rgba(231, 172, 40, 0.1);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.welcome-section .pattern-layer .pattern-4 {
    position: absolute;
    right: 10%;
    bottom: 30%;
    width: 25px;
    height: 25px;
    border-radius: 6px;
    background-color: rgba(78, 6, 82, 0.1);
}

.row.align-items-center {
    margin: 0 -10px;
}

.welcome-image-col, 
.welcome-content-col {
    padding-left: 10px;
    padding-right: 10px;
}

.welcome-text .event-date {
    display: flex;
    flex-wrap: wrap;
    margin: 20px 0;
    gap: 15px;
    justify-content: flex-start;
    align-items: center;
}

.welcome-text .event-date span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /* background: linear-gradient(135deg, #4E0652, #9D2A95); */
    background: linear-gradient(135deg, #002941, #006798);
    color: #fff;
    padding: 8px 15px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    position: relative;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.welcome-text .event-date span:hover {
    transform: translateY(-3px);
}

.welcome-text .greeting {
    font-weight: 600;
    color: #005580;
    font-size: 16px;
    margin-bottom: 15px;
}

.welcome-text .theme-highlight {
    font-weight: 600;
    color: #006798;
    font-style: italic;
}

.welcome-text .event-date span i {
    margin-right: 6px;
    font-size: 12px;
}

/* Organizing Committee Members */
.organizing-committee {
    margin-top: 40px;
    background: rgba(78, 6, 82, 0.03);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    clear: both;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
    transition: all 0.3s ease;
}

.organizing-committee:hover {
    box-shadow: 0 10px 25px rgba(78, 6, 82, 0.1);
}

.committee-heading {
    font-size: 24px;
    font-weight: 700;
    color: #005580;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
    text-align: center;
    width: 100%;
}

.committee-heading:after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -8px;
    width: 100px;
    height: 3px;
    background: linear-gradient(135deg, #002941, #006798);
}

.org-members-row {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.org-member {
    background: linear-gradient(145deg, #ffffff, #fcfcfc);
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 25px 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    width: 250px;
    border: 1px solid rgba(78, 6, 82, 0.05);
    position: relative;
    overflow: hidden;
}

.org-member:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(135deg, #002941, #006798);
    opacity: 0;
    transition: all 0.3s ease;
}

.org-member:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 35px rgba(78, 6, 82, 0.15);
}

.org-member:hover:before {
    opacity: 1;
}

.org-member-img {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 20px;
    border: none;
    padding: 0;
    background: white;
    box-shadow: 0 10px 25px rgba(78, 6, 82, 0.2);
    position: relative;
}

.org-member-img:after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 4px solid transparent;
    /* background: linear-gradient(145deg, #4E0652, #9D2A95) border-box; */
    background: linear-gradient(145deg, #002941, #006798) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
}

.org-member-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: all 0.5s ease;
}

.org-member:hover .org-member-img img {
    transform: scale(1.05);
}

.org-member-info {
    width: 100%;
    position: relative;
    z-index: 1;
}

.org-member-info h5 {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 700;
    color: #006798;
    transition: all 0.3s ease;
}

.org-member:hover .org-member-info h5 {
    color: #006798;
}

.org-member-info p {
    margin: 0;
    font-size: 15px;
    color: #005580;
    font-weight: 500;
    background: rgba(0, 103, 152, 0.08);
    padding: 5px 12px;
    border-radius: 20px;
    display: inline-block;
}

/* Responsive styles for Organizing Committee */
@media only screen and (max-width: 767px) {
    .organizing-committee {
        margin-top: 30px;
        padding: 25px 20px;
        max-width: 100%;
    }
    
    .committee-heading {
        font-size: 22px;
        margin-bottom: 20px;
    }
    
    .org-members-row {
        gap: 20px;
    }
    
    .org-member {
        width: 170px;
        padding: 20px 15px;
    }
    
    .org-member-img {
        width: 110px;
        height: 110px;
        margin-bottom: 15px;
    }
    
    .org-member-info h5 {
        font-size: 18px;
    }
    
    .org-member-info p {
        font-size: 14px;
        padding: 4px 10px;
    }
}

@media only screen and (max-width: 575px) {
    .organizing-committee {
        margin-top: 25px;
        padding: 20px 15px;
    }
    
    .committee-heading {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .org-members-row {
        gap: 15px;
    }
    
    .org-member {
        width: 150px;
        padding: 15px;
    }
    
    .org-member-img {
        width: 100px;
        height: 100px;
    }
    
    .org-member-info h5 {
        font-size: 16px;
    }
    
    .org-member-info p {
        font-size: 13px;
        padding: 3px 8px;
    }
}

@media only screen and (max-width: 480px) {
    .org-member {
        width: 130px;
        padding: 12px;
    }
    
    .org-member-img {
        width: 90px;
        height: 90px;
        margin-bottom: 12px;
    }
    
    .org-member-info h5 {
        font-size: 15px;
        margin-bottom: 5px;
    }
    
    .org-member-info p {
        font-size: 12px;
        padding: 2px 6px;
    }
}