.top-image {
    max-width: 1460px;
    min-height: 300px;
    height: 45vh;
    max-height: 400px;
    margin-top: 0px;
    width: 100vw;
}

@keyframes fadeCycleBg {
  0%   { opacity: 0; }
  5%   { opacity: 1; }
  45%  { opacity: 1; }
  50%  { opacity: 0; }
  100% { opacity: 0; }
}

.top-image::before,
.top-image::after {
    content: '';
    position: absolute;
    left: 45%;
    width: 55%;
    height: 100%;
    background-position: left bottom;
    background-size: cover;
    opacity: 0;
    animation: fadeCycleBg 20s infinite;
}

.top-image::before {
    background-image: url(../images/backgrounds/Mariupol_stella_bg.png);
    animation-delay: 0s;
}

.top-image::after {
    background-image: url(../images/backgrounds/building_bg2.png);
    animation-delay: 10s;
    background-position: right top;
    background-size: contain;
}

.logo-wrapper {
    width: 35%;
}

.big-logo {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  animation: fadeCycle 45s infinite;
  margin-left: 20px;
}

.logo-uk { background-image: url('../images/big-logo-uk.png'); animation-delay: 0s; }
.logo-el { background-image: url('../images/big-logo-el.png'); animation-delay: 15s; }
.logo-en { background-image: url('../images/big-logo-en.png'); animation-delay: 30s; }

@keyframes fadeCycle {
  0% { opacity: 0; }
  5% { opacity: 1; }
  30% { opacity: 1; }
  35% { opacity: 0; }
  100% { opacity: 0; }
}

.image-container {
    width: 100%;
    top: -5%;
}

.image-container img {
    width: 100%;
    border-radius: 1.5rem;
}

.image-container img.map-graphic {
    border-radius: 0;
    background: none;
    box-shadow: none;
}

.about-column-text {
    color: var(--logo-blue);
}

.hero-intro {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--secondary-text) 100%);
    overflow: hidden;
}

@media (min-width: 1421px) {
    .hero-intro {
        width: 100%;
        max-width: 1420px;
        margin: 20px auto 0;
        border-radius: 1.5rem;
    }
}

.hero-intro-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    padding: 0;
    gap: 0;
}

.hero-intro .column {
    width: auto;
}

.hero-intro .column.second {
    align-items: stretch;
}

.hero-intro .column.first {
    padding: 3rem 1rem 3rem clamp(20px, calc((100vw - 1460px) / 2 + 20px), 2.5rem);
}

.hero-intro .column h2 {
    color: #FFFFFF;
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.hero-intro .column p {
    color: #E4ECF5;
}

.hero-intro .about-column-text {
    color: #FFFFFF;
}

.hero-intro .image-container {
    width: 100%;
    height: 100%;
}

.hero-intro .image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    box-shadow: none;
    mask-image: linear-gradient(to right, transparent 0%, black 20%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 20%);
}

@media (max-width: 750px) {
    .hero-intro-inner {
        grid-template-columns: 1fr;
    }

    .hero-intro .column.second {
        order: -1;
    }

    .hero-intro .column.first {
        padding: 1.5rem 1.5rem 2rem;
    }

    .hero-intro .image-container img {
        aspect-ratio: 16/10;
        height: auto;
        mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
        -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    }
}

.map-section {
    background-color: var(--secondary-background);
    border-radius: 1.5rem;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.map-section h2 {
    font-size: 1.7rem;
}

.feature-grid {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.feature-grid .banner {
    display: flex;
    flex-direction: column;
    border-top: 3px solid var(--gold-accent);
    background: linear-gradient(180deg, #FBF2DC 0%, var(--secondary-background) 140px);
    position: relative;
    padding-right: 160px;
}

.feature-grid .banner-text,
.feature-grid > .banner > .button-block {
    width: 100%;
    margin-left: 0;
}

.feature-grid .banner-text {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

.feature-grid .forms-banner {
    border-top-color: var(--logo-blue);
    background: linear-gradient(180deg, var(--light-blue, #EEF6FC) 0%, var(--secondary-background) 140px);
}
.feature-grid .banner::after {
    display: none;
}

.corner-decoration {
    position: absolute;
    right: 0;
    bottom: 0;
    height: 150px;
    width: auto;
    max-width: 45%;
    object-fit: contain;
    pointer-events: none;
    border-bottom-right-radius: 24px;
}

@media (max-width: 999px) {
    .feature-grid .banner {
        padding-right: 20px;
    }

    .corner-decoration {
        display: none;
    }
}

.archive-grid {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.archive-grid .banner {
    background-color: var(--dark-navy);
    display: flex;
}

.archive-grid .banner-text {
    width: 100% !important;
    margin-left: 0 !important;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.archive-grid .banner-text h3 {
    color: #FFFFFF;
}

.archive-grid .banner-text .text-info p {
    color: #C7D2E0;
}

.courses-banner {
    background-image: url(../images/decorations/fgtu-book.png);
}

.forms-banner {
    background-image: none;
}

.azov-greeks-banner,
.roumeika-banner {
    background-image: none;
}

.memory-banner {
    background-image: none;
}

.news-header-columns {
    width: 100%;
    padding: 10px 0px;
    display: inline-flex;
    gap: 2rem;
}

.news-header-columns .column {
    width: 50% !important;
}

.news-header-columns .column-right {
    justify-content: end;
}

.partner-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-around;
    gap: 20px;
    padding: 2rem;
    width: 100%;
    background-color: var(--secondary-background);
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.partner {
    width: 110px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: pointer;
}

@media (max-width: 991px) {
    .top-image {
        min-height: 300px;
        height: 40vh;
        max-height: 500px;
    }
    
    .map-section {
        padding: 1.5rem;
    }
    
    .feature-grid,
    .archive-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 750px) {
    .content {
        gap: 1.5rem;
    }
    
    .image-container {
        top: 0;
        margin: 0;
    }
    
    .image-container img {
        width: 100%;
        border-radius: 1.5rem;
    }
    
    .partner-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    
    .azov-greeks-banner {
        background-position: bottom left -5%;
    }
    
    .roumeika-banner {
        background-position: bottom left -5%;
    }
}

@media (max-width: 600px) {
    .azov-greeks-banner {
        background-position: bottom left -10%;
    }
    
    .roumeika-banner {
        background-position: bottom left -10%;
    }
}

@media (max-width: 440px) {
    .news-header-columns {
        flex-direction: column;
        gap: 1rem;
    }
    
    .news-header-columns .column {
        width: 100% !important;
    }
    
    .news-header-columns .column-right {
        justify-content: start;
    }
    
    .news-header {
        font-size: 1.7rem !important;
    }
    
    .list {
        margin-bottom: 10px;
    }
    
    .partner-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}