:root {
    --primary-color: #000000;
    --primary-color-dark: #333333;
    --secondary-color: #708090;
    --accent-color: #494949;
    --info-color: #87CEEB;
    --background-color: #FAFAFA;
    --white-color: #FFFFFF;
    --text-color: #1a252f;
    --text-muted: #5a6c7d;
    --border-color: #ecf0f1;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.5);
    --hover-bg: #f8f9fa;
    --font-heading: 'Shabnam', 'Tahoma', sans-serif;
    --font-body: 'IRANSans', 'Tahoma', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
}

[data-theme="dark"] {
    --primary-color: #ffffff;
    --primary-color-dark: #e2e8f0;
    --secondary-color: #94a3b8;
    --accent-color: #64748b;
    --info-color: #0ea5e9;
    --background-color: #0f172a;
    --white-color: #1e293b;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --shadow-light: rgba(0, 0, 0, 0.3);
    --shadow-medium: rgba(0, 0, 0, 0.5);
    --shadow-heavy: rgba(0, 0, 0, 0.8);
    --hover-bg: #334155;
    --dark-hover: #334155;
    --dark-border: #475569;
    --dark-text: #e2e8f0;
}

*:focus-visible {
    outline: 2px solid var(--info-color);
    outline-offset: 2px;
    border-radius: 4px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -ms-overflow-style: none !important;
    scrollbar-width: none !important;
}

*::-webkit-scrollbar {
    width: 0 !important;
    display: none !important;
}

body {
    font-family: var(--font-body);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    font-weight: var(--font-weight-normal);
    font-feature-settings: "liga" 1, "kern" 1;
    text-rendering: optimizeLegibility;
    -ms-overflow-style: none !important;
    scrollbar-width: none !important;
    overflow-y: scroll !important;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    margin: 0;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
}

h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
}

h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
}

h4 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
}

h5 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
}

h6 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
}

p,
span,
a,
li,
div,
button,
input,
textarea,
select {
    font-family: var(--font-body);
}

.font-heading {
    font-family: var(--font-heading) !important;
}

.font-body {
    font-family: var(--font-body) !important;
}

.fw-light {
    font-weight: var(--font-weight-light) !important;
}

.fw-normal {
    font-weight: var(--font-weight-normal) !important;
}

.fw-medium {
    font-weight: var(--font-weight-medium) !important;
}

.fw-semibold {
    font-weight: var(--font-weight-semibold) !important;
}

.fw-bold {
    font-weight: var(--font-weight-bold) !important;
}

.fw-extrabold {
    font-weight: var(--font-weight-extrabold) !important;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 50;
    backdrop-filter: blur(2px);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.header {
    background-color: var(--white-color);
    box-shadow: 0 2px 10px var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
    padding: 1rem 20px;
    min-height: 70px;
    width: 100%;
    max-width: none;
    gap: 1rem;
}

.logo {
    justify-self: start;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-color);
    transition: color 0.3s ease;
    margin: 0;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--info-color);
    transition: color 0.3s ease;
}

.nav {
    justify-self: center;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: block;
}

.nav-link:hover {
    background-color: var(--hover-bg);
    color: var(--info-color);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: fixed;
    top: 70px;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background-color: var(--white-color);
    min-width: 600px;
    max-width: 800px;
    box-shadow: 0 8px 25px var(--shadow-medium);
    border-radius: 12px;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-item {
    position: relative;
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.dropdown-link:hover {
    background-color: var(--hover-bg);
    color: var(--info-color);
}

.sub-dropdown {
    position: absolute;
    top: 0;
    right: calc(100% + 10px);
    background-color: var(--white-color);
    min-width: 200px;
    box-shadow: 0 8px 25px var(--shadow-medium);
    border-radius: 12px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
    z-index: 101;
}

.dropdown-item:hover .sub-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.sub-link {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.sub-link:hover {
    background-color: var(--hover-bg);
    color: var(--info-color);
}

.header-actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.theme-toggle:hover {
    background-color: var(--hover-bg);
    color: var(--info-color);
}

.theme-toggle svg {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.sun-icon {
    transform: rotate(0deg) scale(1);
}

.moon-icon {
    transform: rotate(0deg) scale(1);
}

.search-container {
    position: relative;
}

.search-btn {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background-color: var(--hover-bg);
    color: var(--info-color);
}

.search-box {
    position: absolute;
    top: 0;
    left: 0;
    background-color: var(--white-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    box-shadow: 0 8px 25px var(--shadow-medium);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow: hidden;
}

.search-box.active {
    opacity: 1;
    visibility: visible;
    width: 300px;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    background: transparent;
    min-width: 0;
}

.search-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.search-close:hover {
    color: var(--text-color);
    background-color: var(--hover-bg);
}

.profile {
    position: relative;
}

.profile-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-btn:hover {
    background-color: var(--hover-bg);
}

.profile-img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.profile-btn:hover .profile-img {
    border-color: var(--info-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 5px;
    position: relative;
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.mobile-menu-btn:hover {
    background-color: var(--hover-bg);
}

.mobile-menu-btn span {
    width: 22px;
    height: 2px;
    background-color: var(--text-color);
    border-radius: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
    position: relative;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg);
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -11px;
    margin-top: -1px;
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg);
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -11px;
    margin-top: -1px;
}

.main {
    padding: 2rem 0;
    min-height: 60vh;
}

.footer {
    background: var(--info-color);
    box-shadow: 0 -2px 10px var(--shadow-light);
    color: var(--text-color);
    padding: 60px 0 30px;
    margin-top: 100px;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand {
    grid-column: 1;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-brand p {
    color: var(--background-color);
    line-height: 1.8;
    font-size: 16px;
    margin-bottom: 30px;
}

.certificates {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.certificate-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
}

.certificate-img {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: all 0.3s ease;
}

.certificate-img:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.certificate-item span {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.footer-column h4 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 25px;
    color: var(--primary-color);
    position: relative;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: 15px;
}

.footer-column ul li a {
    color: var(--border-color);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 400;
    display: inline-block;
    font-size: 15px;
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
    transform: translateX(-5px);
}

.social-section {
    text-align: center;
    margin-bottom: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.social-section h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 25px;
    color: var(--text-color);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    background: var(--hover-bg);
    border-radius: 50%;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.social-icon:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(233, 100, 121, 0.3);
    background: var(--secondary-color);
    color: var(--white-color);
    border-color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--background-color);
    font-weight: 400;
    margin: 0;
    font-size: 15px;
}

.progress-container {
    position: fixed;
    top: 0;
    z-index: 1000;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
}

.progress-bar {
    height: 4px;
    background: var(--primary-color);
    width: 0%;
    transition: width 0.2s ease;
}

@media (max-width: 768px) {
    .header-content {
        display: flex;
        justify-content: space-between;
        padding: 0.75rem 15px;
    }
    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 70%;
        height: 100vh;
        background-color: var(--white-color);
        box-shadow: -4px 0 20px var(--shadow-medium);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 999;
        overflow-y: auto;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 80px 20px 20px;
    }
    .nav.active {
        transform: translateX(0);
    }
    .nav-list {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    .nav-item {
        width: 100%;
    }
    .nav-link {
        padding: 1rem;
        font-size: 1rem;
        width: 100%;
        text-align: right;
        border-radius: 8px;
        background-color: var(--white-color);
        border: 1px solid var(--border-color);
    }
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: var(--hover-bg);
        border-radius: 8px;
        margin-top: 0.5rem;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        display: block;
        min-width: auto;
        max-width: none;
        grid-template-columns: none;
        padding: 0;
        left: auto;
    }
    .dropdown.active .dropdown-menu {
        max-height: 300px;
        padding: 0.5rem 0;
        overflow-y: auto;
        overflow-x: hidden;
        scrollbar-width: thin;
        scrollbar-color: var(--info-color) var(--border-color);
    }
    .dropdown.active .dropdown-menu::-webkit-scrollbar {
        width: 6px;
    }
    .dropdown.active .dropdown-menu::-webkit-scrollbar-track {
        background: var(--border-color);
        border-radius: 3px;
    }
    .dropdown.active .dropdown-menu::-webkit-scrollbar-thumb {
        background: var(--info-color);
        border-radius: 3px;
    }
    .dropdown.active .dropdown-menu::-webkit-scrollbar-thumb:hover {
        background: var(--secondary-color);
    }
    .dropdown-item {
        width: 100%;
        margin: 0;
    }
    .sub-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: var(--white-color);
        border-radius: 8px;
        margin: 0.5rem 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        min-width: auto;
        right: auto;
    }
    .dropdown-item.active .sub-dropdown {
        max-height: 300px;
        padding: 0.5rem 0;
    }
    .dropdown-link {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    .sub-link {
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem;
        color: var(--text-muted);
    }
    .mobile-menu-btn {
        display: flex;
    }
    .logo h1 {
        font-size: 1.5rem;
    }
    .search-box.active {
        width: 250px;
    }
    .container {
        padding: 0 15px;
    }
    .footer {
        padding: 40px 0 20px;
        margin-top: 60px;
    }
    .footer-content {
        padding: 0 15px;
    }
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
        margin-bottom: 35px;
    }
    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: 20px;
        order: -1;
    }
    .footer-brand h3 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    .footer-brand p {
        font-size: 14px;
        margin-bottom: 25px;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    .certificates {
        justify-content: center;
        gap: 15px;
    }
    .certificate-img {
        width: 70px;
        height: 70px;
    }
    .certificate-item span {
        font-size: 11px;
    }
    .footer-column {
        text-align: center;
    }
    .footer-column h4 {
        font-size: 18px;
        margin-bottom: 20px;
    }
    .footer-column h4::after {
        right: 50%;
        transform: translateX(50%);
        width: 30px;
    }
    .footer-column ul li {
        margin-bottom: 12px;
    }
    .footer-column ul li a {
        font-size: 14px;
    }
    .footer-column ul li a:hover {
        transform: none;
    }
    .social-section {
        padding-top: 30px;
        margin-bottom: 30px;
    }
    .social-section h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    .social-icons {
        gap: 15px;
    }
    .social-icon {
        width: 50px;
        height: 50px;
    }
    .footer-bottom p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.3rem;
    }
    .header-actions {
        gap: 0.5rem;
    }
    .theme-toggle {
        width: 35px;
        height: 35px;
        padding: 0.4rem;
    }
    .search-box.active {
        width: 200px;
    }
    .nav {
        width: 85%;
        padding: 70px 15px 15px;
    }
    .header-content {
        padding: 0.75rem 12px;
    }
    .dropdown-menu {
        min-width: 300px;
        max-width: 350px;
    }
    .dropdown.active .dropdown-menu {
        max-height: 250px;
        overflow-y: auto;
        overflow-x: hidden;
    }
    .footer {
        padding: 30px 0 15px;
        margin-top: 40px;
    }
    .footer-content {
        padding: 0 10px;
    }
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        margin-bottom: 25px;
    }
    .footer-brand {
        grid-column: 1 / -1;
        margin-bottom: 15px;
        padding: 0 5px;
        text-align: center;
    }
    .footer-brand h3 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    .footer-brand p {
        font-size: 12px;
        margin-bottom: 15px;
        line-height: 1.5;
        padding: 0 10px;
    }
    .certificates {
        gap: 10px;
        justify-content: center;
        flex-wrap: wrap;
    }
    .certificate-img {
        width: 55px;
        height: 55px;
    }
    .certificate-item span {
        font-size: 9px;
        max-width: 55px;
        line-height: 1.2;
    }
    .footer-column {
        padding: 15px 10px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 8px;
        margin-bottom: 10px;
    }
    .footer-column h4 {
        font-size: 15px;
        margin-bottom: 12px;
    }
    .footer-column h4::after {
        width: 20px;
        height: 2px;
    }
    .footer-column ul li {
        margin-bottom: 8px;
    }
    .footer-column ul li a {
        font-size: 12px;
        padding: 3px 0;
        display: block;
    }
    .footer-column ul li a:hover {
        transform: none;
    }
    .social-section {
        padding-top: 20px;
        margin-bottom: 20px;
    }
    .social-section h3 {
        font-size: 16px;
        margin-bottom: 12px;
    }
    .social-icons {
        gap: 10px;
        justify-content: center;
    }
    .social-icon {
        width: 42px;
        height: 42px;
    }
    .footer-bottom {
        padding-top: 20px;
    }
    .footer-bottom p {
        font-size: 12px;
        padding: 0 10px;
    }
}

@media (max-width: 360px) {
    .logo h1 {
        font-size: 1.2rem;
    }
    .search-box.active {
        width: 180px;
    }
    .nav {
        width: 90%;
    }
    .header-content {
        padding: 0.75rem 10px;
    }
    .dropdown-menu {
        min-width: 280px;
        max-width: 300px;
    }
    .dropdown.active .dropdown-menu {
        max-height: 200px;
        overflow-y: auto;
        overflow-x: hidden;
    }
    .footer {
        padding: 25px 0 12px;
        margin-top: 35px;
    }
    .footer-content {
        padding: 0 8px;
    }
    .footer-main {
        gap: 15px;
        margin-bottom: 20px;
    }
    .footer-brand {
        padding: 0 3px;
        margin-bottom: 12px;
    }
    .footer-brand h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }
    .footer-brand p {
        font-size: 11px;
        margin-bottom: 12px;
        padding: 0 8px;
    }
    .certificates {
        gap: 8px;
    }
    .certificate-img {
        width: 50px;
        height: 50px;
    }
    .certificate-item span {
        font-size: 8px;
        max-width: 50px;
    }
    .footer-column {
        padding: 12px 8px;
        margin-bottom: 8px;
    }
    .footer-column h4 {
        font-size: 14px;
        margin-bottom: 10px;
    }
    .footer-column h4::after {
        width: 18px;
    }
    .footer-column ul li {
        margin-bottom: 6px;
    }
    .footer-column ul li a {
        font-size: 11px;
        padding: 2px 0;
    }
    .footer-column ul li a:hover {
        transform: none;
    }
    .social-section {
        padding-top: 15px;
        margin-bottom: 15px;
    }
    .social-section h3 {
        font-size: 15px;
        margin-bottom: 10px;
    }
    .social-icons {
        gap: 8px;
    }
    .social-icon {
        width: 38px;
        height: 38px;
    }
    .footer-bottom {
        padding-top: 15px;
    }
    .footer-bottom p {
        font-size: 11px;
        padding: 0 8px;
    }
}

.footer-column,
.footer-brand,
.social-section {
    animation: fadeInUp 0.6s ease-out;
}

.footer-column:nth-child(2) {
    animation-delay: 0.1s;
}

.footer-column:nth-child(3) {
    animation-delay: 0.2s;
}

.footer-column:nth-child(4) {
    animation-delay: 0.3s;
}

.footer-column:nth-child(5) {
    animation-delay: 0.4s;
}

.social-section {
    animation-delay: 0.5s;
}