:root {
    --white: #fefefe;
    --secondary: #5b5b5b;
    --fade: #8e8ea2;
    --dark-color: #252641;
    --mid-color: #49bbbd;
    --light-color: #9ad8de;
    --label: #7c7c94;
    --shadow-sm: 0 0 5px 3px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 0 10px 5px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 0 15px 8px rgba(0, 0, 0, 0.15);
    --transition-base: all 0.3s ease;
}

@font-face {
    font-family: 'IRANSansWeb';
    src: url(../fonts/IRANSansWeb.eot) format('eot'),
        url(../fonts/IRANSansWeb.ttf) format('ttf'),
        url(../fonts/IRANSansWeb.woff) format('woff');
}

body {
    font-family: IRANSansWeb, system-ui, -apple-system, sans-serif;
}

/* Base Styles */
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    padding: 0;
    font-weight: 600;
}

/* Main Container */
.back-color {
    background-color: var(--white);
    min-height: 100vh;
    padding: 2rem 0;
}

.back-color h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

/* Form Elements */
.form-select.select-div {
    max-width: 261px;
    height: 43px;
    background-color: var(--mid-color);
    opacity: 0.75;
    font-size: 0.9375rem;
    color: var(--secondary);
    box-shadow: var(--shadow-sm);
    border: none;
}

.search {
    max-width: 500px;
}

.search input {
    height: 43px;
    background-color: #f9f9f9;
    box-shadow: var(--shadow-sm);
    font-size: 0.9375rem;
    color: var(--fade);
    border: none;
}

.search .btn {
    min-width: 122px;
    height: 43px;
    background-color: var(--mid-color);
    opacity: 0.75;
    box-shadow: var(--shadow-sm);
    color: var(--secondary);
    font-size: 1rem;
    border: none;
    transition: var(--transition-base);
}

.search .btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Card Styles */
.card {
    border: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 1.25rem;
}

.card-title {
    font-size: clamp(0.875rem, 2vw, 1rem);
    color: var(--dark-color);
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.card-text {
    font-size: 0.8125rem;
    color: var(--fade);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

.card a {
    font-size: 0.75rem;
    color: var(--fade);
    text-decoration: none;
    transition: var(--transition-base);
}

.card a:hover {
    color: var(--mid-color);
}

/* Media Queries */
@media (max-width: 768px) {
    .back-color {
        padding: 1rem 0;
    }

    .back-color h1 {
        text-align: center;
    }

    .form-select.select-div,
    .search {
        margin: 0 auto;
    }

    .search {
        margin-top: 1rem;
    }

    .card-img-top {
        height: 180px;
    }

    .card-body {
        padding: 1rem;
    }
}

@media (min-width: 769px) and (max-width: 991px) {
.card {
        margin-bottom: 1.5rem;
    }
}

/* Navbar Styles */
.navbar {
    padding: 1rem 2rem;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
}

.icon-box {
    width: 12rem;
    height: 3.5rem;
    transition: var(--transition-base);
}

.main-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.navbar-nav {
    gap: 1rem;
}

.nav-item .btn {
    color: var(--secondary);
    font-size: 1rem;
    padding: 0.5rem 1rem;
    transition: var(--transition-base);
    border: none;
    background: none;
}

.nav-item .btn:hover,
.nav-item .btn:focus {
    color: var(--mid-color);
    transform: translateY(-2px);
}

.dropdown-toggle::after {
    display: none;
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-md);
    border-radius: 0.5rem;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    color: var(--secondary);
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    transition: var(--transition-base);
}

.dropdown-item:hover {
    background-color: rgba(73, 187, 189, 0.1);
    color: var(--mid-color);
    transform: translateX(-5px);
}

.nav-icon {
    padding: 0.5rem;
    margin: 0 0.25rem;
    border-radius: 0.5rem;
    transition: var(--transition-base);
}

.nav-icon:hover {
    background-color: rgba(73, 187, 189, 0.1);
    transform: translateY(-2px);
}

.nav-icons {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--secondary);
}

.log-in {
    background-color: var(--mid-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: var(--transition-base);
    border: none;
    opacity: 0.9;
}

.log-in:hover {
    opacity: 1;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.log-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--mid-color);
    border-radius: 0.5rem;
    padding: 0.5rem;
    opacity: 0.9;
    transition: var(--transition-base);
}

.log-icon:hover {
    opacity: 1;
    transform: translateY(-2px);
}

/* Navbar Responsive Styles */
@media (max-width: 991px) {
    .navbar {
        padding: 0.75rem 1rem;
    }

    .icon-box {
        width: 10rem;
        height: 3rem;
    }

    .navbar-collapse {
        background-color: var(--white);
        padding: 1rem;
        border-radius: 0.5rem;
        box-shadow: var(--shadow-md);
        margin-top: 1rem;
    }

    .navbar-nav {
        gap: 0.5rem;
    }

    .nav-item .btn {
        font-size: 0.875rem;
        padding: 0.5rem;
    }

    .dropdown-menu {
        border: 1px solid rgba(0, 0, 0, 0.1);
        margin-top: 0.25rem;
    }

    .nav-icon {
        padding: 0.375rem;
    }

    .nav-icons {
        width: 1.125rem;
        height: 1.125rem;
    }
}

@media (max-width: 767px) {
    .navbar {
        padding: 0.5rem;
    }

    .icon-box {
        width: 8rem;
        height: 2.5rem;
    }

    .navbar-toggler {
        padding: 0.25rem;
        width: 2.5rem;
        height: 2.5rem;
    }

    .navbar-toggler-icon {
        width: 1.25rem;
        height: 1.25rem;
    }

    .log-icon {
        width: 2.25rem;
        height: 2.25rem;
        padding: 0.375rem;
    }
}

/* Footer Styles */
footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #1a1a2e 100%);
    color: var(--fade);
    padding: 5rem 0 2rem;
    position: relative;
    overflow: hidden;
    direction: rtl;
    text-align: right;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
        left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--mid-color), transparent);
}

.last-div {
    gap: 3rem;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

/* Logo Section */
.div1 {
    flex: 1;
    min-width: 280px;
    position: relative;
    padding-left: 2rem;
}

.div1::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--mid-color), transparent);
    opacity: 0.3;
}

.f-box {
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    flex-direction: row-reverse;
}

.icon-box2 {
    width: 14rem;
    height: 4rem;
    transition: var(--transition-base);
        position: relative;
        overflow: hidden;
    }
    
.icon-box2::after {
        content: '';
        position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--mid-color), transparent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.icon-box2:hover::after {
    transform: scaleX(1);
}

.main-icon2 {
        width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: var(--transition-base);
}

.icon-box2:hover .main-icon2 {
    transform: scale(1.05);
}

.aca-span {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Links Section */
.lbox {
    min-width: 220px;
    margin: 0 2rem;
    position: relative;
    padding-left: 2rem;
}

.lbox::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--mid-color), transparent);
    opacity: 0.3;
}

.ldiv {
    margin-bottom: 1.5rem;
    position: relative;
}

.ldiv span {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 500;
    display: block;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ldiv hr {
    width: 3.5rem;
    height: 2px;
    background: linear-gradient(90deg, var(--mid-color), transparent);
    border: none;
    margin: 0;
    margin-right: 0;
}

.lbox span {
    display: block;
        color: var(--fade);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    padding-left: 1rem;
}

.lbox span::before {
    content: '‹';
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(5px);
    transition: var(--transition-base);
}

.lbox span:hover {
    color: var(--mid-color);
    transform: translateX(5px);
}

.lbox span:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* Contact Section */
.contact-us {
    flex: 1;
    min-width: 280px;
    position: relative;
}

.contact-us > div {
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
}

.contact-us img {
    width: 1.375rem;
    height: 1.375rem;
    margin-left: 1rem;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: var(--transition-base);
}

.contact-us > div:hover img {
    opacity: 1;
    transform: scale(1.1);
}

.c-span {
    font-size: 0.9375rem;
    color: var(--fade);
    transition: var(--transition-base);
}

.contact-us > div:hover .c-span {
    color: var(--white);
}

.c-p {
    font-size: 0.9375rem;
        color: var(--fade);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    text-align: right;
}

/* Newsletter Form */
form {
    gap: 1rem;
    position: relative;
    display: flex;
    flex-direction: row-reverse;
}

form .form-control {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--white);
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    transition: var(--transition-base);
    border-radius: 2rem;
    text-align: right;
}

form .form-control:focus {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--mid-color);
    box-shadow: 0 0 0 3px rgba(73, 187, 189, 0.1);
}

form .form-control::placeholder {
    color: var(--fade);
    text-align: right;
}

form .btn {
    background: linear-gradient(135deg, var(--mid-color), var(--light-color));
    color: var(--white);
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    transition: var(--transition-base);
    border: none;
    border-radius: 2rem;
    position: relative;
    overflow: hidden;
}

form .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--light-color), var(--mid-color));
    opacity: 0;
    transition: var(--transition-base);
}

form .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(73, 187, 189, 0.3);
}

form .btn:hover::before {
    opacity: 1;
}

form .btn span {
    position: relative;
    z-index: 1;
}

/* Social Icons */
.footer-icon {
    gap: 1.25rem;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: row-reverse;
}

.footer-icon img {
    width: 1.75rem;
    height: 1.75rem;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: var(--transition-base);
    padding: 0.5rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
}

.footer-icon img:hover {
    opacity: 1;
    transform: translateY(-3px) scale(1.1);
    background-color: var(--mid-color);
}

/* Mobile Social Icons */
.last-box {
    width: 3rem;
    height: 3rem;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.75rem;
    margin: 0 0.75rem;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.last-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--mid-color), var(--light-color));
    opacity: 0;
    transition: var(--transition-base);
}

.last-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(73, 187, 189, 0.3);
}

.last-box:hover::before {
    opacity: 1;
}

.last-box img {
    filter: brightness(0) invert(1);
    opacity: 0.8;
    position: relative;
    z-index: 1;
    transition: var(--transition-base);
}

.last-box:hover img {
    opacity: 1;
    transform: scale(1.1);
}

/* Footer Links */
.term-box {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0 1.5rem;
}

.last-p {
    font-size: 0.8125rem;
    color: var(--fade);
    margin: 0;
    transition: var(--transition-base);
}

.last-p:hover {
    color: var(--mid-color);
}

/* Footer Responsive Styles */
@media (max-width: 991px) {
    footer {
        padding: 4rem 0 1.5rem;
    }

    .last-div {
        gap: 4rem;
    }

    .div1::after,
    .lbox::after {
        display: none;
    }

    .div1 {
        text-align: center;
        padding-left: 0;
    }

    .f-box {
        justify-content: center;
    }

    .icon-box2 {
        width: 12rem;
        height: 3.5rem;
    }

    .lbox {
        margin: 0 1.5rem;
        padding-left: 0;
    }

    .contact-us {
        text-align: center;
    }

    .contact-us > div {
        justify-content: center;
    }

    form {
        flex-direction: column;
        align-items: center;
        max-width: 400px;
        margin: 0 auto;
    }

    form .btn {
        width: 100%;
        margin-top: 0.75rem;
    }
}

@media (max-width: 767px) {
    footer {
        padding: 3rem 0 1rem;
    }

    .last-div {
        gap: 3rem;
    }

    .icon-box2 {
        width: 10rem;
        height: 3rem;
    }

    .lbox {
        min-width: 180px;
        margin: 0 1rem;
    }

    .ldiv span {
        font-size: 1.125rem;
    }

    .lbox span {
        font-size: 0.875rem;
    }

    .contact-us img {
        width: 1.25rem;
        height: 1.25rem;
    }

    .c-span {
        font-size: 0.875rem;
    }

    .last-box {
        width: 2.75rem;
        height: 2.75rem;
        padding: 0.625rem;
    }
}

/* Header Styles */
.header-div {
    background-color: black;
    padding: 1rem 2rem;
    min-height: 60px;
}

.header-div h6 {
    color: var(--white);
    font-size: 0.875rem;
    margin: 0;
    white-space: nowrap;
}

.first-div {
    display: flex;
    align-items: center;
}

.horizontal-lines {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-right: 1rem;
}

.line {
    height: 2px;
    background-color: var(--white);
    opacity: 0.8;
}

.line-1 {
    width: 2.5rem;
}

.line-2 {
    width: 1.5rem;
}

.header-icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 1rem;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: var(--transition-base);
}

.header-icon:hover {
        opacity: 1;
    transform: translateY(-2px);
}

/* Header Responsive Styles */
@media (max-width: 991px) {
    .header-div {
        padding: 0.75rem 1rem;
    }

    .header-div h6 {
        font-size: 0.75rem;
    }

    .header-icon {
        width: 1.25rem;
        height: 1.25rem;
        margin-right: 0.75rem;
    }

    .line-1 {
        width: 2rem;
    }

    .line-2 {
        width: 1.25rem;
    }
}

@media (max-width: 767px) {
    .header-div {
        padding: 0.5rem;
    }

    .header-div h6 {
        font-size: 0.7rem;
    }

    .header-icon {
        width: 1.125rem;
        height: 1.125rem;
        margin-right: 0.5rem;
    }

    .horizontal-lines {
        display: none;
    }
}