@font-face {
    font-family: 'PT Sans';
    src: url('/media/fonts/PTS_normal.woff2') format('truetype');
    font-display: swap;
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'PT Sans';
    src: url('/media/fonts/PTS_bold.woff2') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'PT Sans';
    src: url('/media/fonts/PTS_italic.woff2') format('truetype');
    font-weight: normal;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'PT Sans';
    src: url('/media/fonts/PTS_bold_italic.woff2') format('truetype');
    font-weight: bold;
    font-style: italic;
    font-display: swap;
}

:root {
    --card-height: 40vw;
    --card-margin: 4vw;
    --card-top-offset: 1em;
    --outline-width: 0;
    --color-red: #C92440;
    --color-yellow: #FFC240;
    --color-purple: #7F3F98;
    --color-biruze: #A0D7C7;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
    box-sizing: border-box;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    background-image: url(media/fon/А4_горизонтальный-01.webp);
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
    font-family: 'PT Sans', sans-serif;
    word-break: break-word;
}

section{
    min-width: 100%;
    min-height: 100vh;
    margin: 0;
}

h1{
    color: var(--color-red); 
    background-image: linear-gradient(90deg,var(--color-red) , var(--color-yellow) 100%); 
    background-clip: text; 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent;  
    font-weight: bold;
    font-size: 6.5rem;
}

h2{
    font-size: 3rem;
    text-align: center;
    color: var(--color-red);
    background-image: linear-gradient(90deg, var(--color-red), var(--color-purple) 100%);
    background-clip: text; 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent;
}

h3{
    font-size: 2rem;
    color: black;
    font-weight: bold; 
}

h4{
    font-size: 1.75rem; ;
    color: var(--color-red);
    background-image: linear-gradient(90deg, var(--color-red), var(--color-purple) 100%);
    background-clip: text; 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent;  
}

p, .option-btn{
font-size: 1.5rem;
}

a{
    text-decoration: none;
    cursor: pointer;
    font-size: 1.25rem;
}

.hero {
    height: 100vh;
    background-image: url(media/photo/back.webp);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.hero-text {
    position: absolute;
    top: 0;
    right: 1rem;
    text-align: right;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    font-weight: bold;
    -webkit-animation: tracking-in-expand 2s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    animation: tracking-in-expand 2s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    max-width: 40%;
    word-break: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.hero-text h2{
    color: var(--color-red); 
    background-image: linear-gradient(90deg, var(--color-red) 0%, var(--color-purple) 100%); 
    background-clip: text; 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    text-align: right;
}

.hero-button a {
    text-align: center;
    letter-spacing: 0.2rem;
    font-weight: bold;
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.625rem 1.25rem;
    text-decoration: none;
    color: white;
    border-radius: 5rem;
    background-color: var(--color-red);
    transition: background-color 0.5s ease;
    -webkit-animation: tracking-in-expand 2s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    animation: tracking-in-expand 2s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
}

.hero-button a:hover {
    background-color: var(--color-yellow);
}

@-webkit-keyframes tracking-in-expand {
    0% {
letter-spacing: -0.5em;
        opacity: 0;
    }
    40% {
        opacity: 0.6;
    }
    100% {
        opacity: 1;
    }
}
@keyframes tracking-in-expand {
    0% {
        letter-spacing: -0.5em;
        opacity: 0;
    }
    40% {
        opacity: 0.6;
    }
    100% {
        opacity: 1;
    }
}

.logo-hero {
    position: absolute;
    top: 0.5rem;
    left: 0.625rem;
    width: 35vw;
    z-index: 2;
}

#about {
    padding: 5vw 15vw;
}

#about img {
    width: 100%;
    height: auto;
}

.about-intro{
    text-align: center;
    font-weight: bold;
    color: var(--color-red);
}
.about-text{
    text-align: justify;
    color: rgb(90, 90, 90);
}
.about-text2{
    text-align: justify;
    color: rgb(90, 90, 90);
    margin-bottom: 3vw;
}

@keyframes about-fade-in {
    0% {
    opacity: 0;
    transform: translateY(10rem) scale(0.98);
    -webkit-filter: blur(0.1rem);
    filter: blur(0.1rem);
    }
    60% {
    opacity: 0.7;
    -webkit-filter: blur(0.2rem);
    filter: blur(0.2rem);
    }
    100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    -webkit-filter: blur(0);
    filter: blur(0);
    }
}

#about .about-intro,
#about .about-text,
#about .about-text2 {
    opacity: 0;
    animation: about-fade-in 1.2s cubic-bezier(.4,0,.2,1) forwards;
}
#about .about-intro { animation-delay: 0.2s; }
#about .about-text { animation-delay: 0.5s; }
#about .about-text2 { animation-delay: 0.8s; }


.map-container {
    position: relative;
    max-width: 50rem;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.map-line {
    position: absolute;
    top: 3.125rem;
    left: 50%;
    transform: translateX(-50%);
    width: 0.375rem;
    height: calc(100% - 6.25rem);
    background: linear-gradient(to bottom, var(--color-purple), var(--color-biruze), var(--color-yellow));
    border-radius: 0.1875rem;
}

.map-points {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    gap: 1.25rem;
}

.map-point {
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
    transition: all 0.4s ease;
}

.map-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    position: relative;
    z-index: 3;
    flex-shrink: 0;
    margin: 0 2rem;
    transition: all 0.3s ease;
}

.map-icon svg {
    width: 2rem;
    height: 2rem;
    fill: currentColor;
}

.map-icon--about { background-color: var(--color-yellow); color: #333; }
.map-icon--history { background-color: var(--color-biruze); color: #333; }
.map-icon--graph { background-color: var(--color-purple); color: white; }
.map-icon--gallery { background-color: var(--color-red); color: white; }
.map-icon--agroclass { background-color: var(--color-yellow); color: #333; }
.map-icon--victorina { background-color: var(--color-biruze); color: #333; }
.map-icon--link { background-color: var(--color-purple); color: white; }

.point-label {
    max-width: 50vw;
    color: #333;
    text-decoration: none;
    padding: 1rem 1.5rem;
    border-radius: 50rem;
    background-color: white;
    box-shadow: 0 0.1rem 2rem rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    flex-grow: 1;
    text-align: center;
    border: 0.1rem solid transparent;
    font-weight: bold;

    transform: translateX(10rem);
    transition: transform 0.7s ease;
}

.map-point:hover .map-icon {
    transform: scale(1.15);
    box-shadow: 0 0 0 0.5rem rgba(201, 36, 63, 0.2);

}

.map-point:hover .point-label {
    background-color: var(--color-red);
    color: #FFFFFF;
    transform: translateX(1vw);
    border-color: rgba(255, 255, 255, 0.3);
    transition: 0.2s linear;
}

.map-point:nth-child(odd) {
    flex-direction: row-reverse;
}

.map-point:nth-child(odd) .point-label {
    transform: translateX(-10vw);
}

.map-point:nth-child(odd):hover .point-label {
    transform: translateX(-1vw);
}


.history {
    overflow: hidden;
    padding: 4rem 2rem;
    position: relative;
}

.history-podz{ 
    text-align: center;
    margin-bottom: 5rem;
}

.history-timeline {
    position: relative;
    max-width: 80vw;
    margin: 0 auto;
    padding: 5rem 0 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 35rem;
    width: 0.5rem;
    transform: translateX(-50%);
    z-index: 0;
    background: linear-gradient(to bottom, var(--color-yellow), var(--color-red), var(--color-purple));
}

.timeline-start {
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 3.125rem;
    height: 3.125rem;
    z-index: 2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.berry {
    width: 9.375rem;
    height: 9.375rem;
    filter: drop-shadow(0 0.125rem 0.25rem rgba(0,0,0,0.2));
    rotate: 45deg;
}

.timeline-item {
    position: relative;
    margin-top: 5rem;
    margin-bottom: 5rem;
    width: 100%;
    clear: both;
    z-index: 1;
}

.last-item {
    margin-bottom: 0;
}

.timeline-content {
    position: relative;
    width: 45%;
    padding: 1.5625rem;           
    border-radius: 1rem;           
    background: rgba(254, 195, 64, 0.5);
    box-shadow: 0 0.25rem 1.875rem rgba(0, 0, 0, 0.1); 
    backdrop-filter: blur(0.3125rem);                   
    -webkit-backdrop-filter: blur(0.3125rem);
    box-shadow: 0 0.3125rem 0.9375rem rgba(0,0,0,0.08); 
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-0.3125rem); 
}

.timeline-marker {
    position: absolute;
    top: 1.875rem;                 
    width: 6.25rem;                
    height: 6.25rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.leaf {
    width: 6.25rem;                
    height: 6.25rem;
}

.timeline-content.left {
    float: left;
    text-align: right;
}

.timeline-content.left .timeline-marker {
    right: -4.0625rem;             
}

.timeline-content.right {
    float: right;
    text-align: left;
}

.timeline-content.right .timeline-marker {
    left: -4.0625rem;              
}

.timeline-content h3 {
    margin-top: 0;
    color: #2c3e50;
    border-bottom: 0.125rem solid #27ae60; 
    display: inline-block;
    padding-bottom: 0.3125rem;     
    margin-bottom: 0.9375rem;      
}

.timeline-content p, 
.timeline-content ul {
    margin-bottom: 0.9375rem;      
    line-height: 1.7;
    color: #34495e;
}

.timeline-content ul {
    padding-left: 1.5625rem;       
    text-align: left;
}

.timeline-content li {
    margin-bottom: 0.75rem;        
    position: relative;
}

.timeline-content li:before {
    content: "🌿";
    position: absolute;
    left: -1.5625rem;              
}

.timeline-text{
    margin-top: 5rem;
    padding: 1.25rem; 
    border-radius: 1rem;
    background: rgba(254, 195, 64, 0.5);
    box-shadow: 0 0.25rem 1.875rem rgba(0, 0, 0, 0.1); 
    backdrop-filter: blur(0.3125rem); 
    -webkit-backdrop-filter: blur(0.3125rem);
    box-shadow: 0 0.3125rem 0.9375rem rgba(0,0,0,0.08); 
    transition: transform 0.3s ease;
}

.timeline-row {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
}
.timeline-content.left, .timeline-content.right {
    width: 45%;
}
.timeline-image-block {
    width: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.timeline-image-block2 {
    width: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.timeline-image {
    width: 20rem;
    border-radius: 1rem;
}
.timeline-image-caption {
    font-style: italic;
    font-weight: bold;
    color: var(--color-purple);
    text-align: center;
    margin-top: 1rem;
}

.timeline-item.left .timeline-image-block {
    transform: translateX(7.5rem); 
}
.timeline-item.right .timeline-image-block {
    transform: translateX(-7.5rem); 
}
.timeline-image-block.timeline-image-animated {
    opacity: 1;
    transform: translateX(0);
}


.graph {
    padding: 2.5rem 0; 
}

.graph h2, .graph h3 {
    text-align: center;
}

.graph h3 {    
    margin-bottom: 2.5rem; 
}

.stats {
    display: flex;
    flex-direction: column;
    gap: 1.875rem; 
    max-width: 75rem; 
    margin: 0 auto;
    padding: 0 1.25rem; 
}

.stat-item {
    display: flex;
    align-items: stretch;
    gap: 1.875rem; 
    padding: 1.5625rem; 
    min-height: 18.75rem; 
    transform: translateY(1.875rem); 
    transition: all 0.8s ease;
}

    .stat-item:nth-child(even) {
        flex-direction: row;
    }

    .stat-item:nth-child(odd) {
        flex-direction: row-reverse;
    }.stat-icon {
    flex: 0 0 45%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s, transform 0.8s;
}

    .stat-icon.graph-animated {
        opacity: 1;
        transform: translateY(0);
    }.stat-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.graph img {
    max-width: 30vw;
    object-fit: contain;
    border-radius: 0.9375rem; 
    display: block;
}

.stat-number {
    font-size: 10vw;
    margin-bottom: 0;
}

    .count-animate {
        color: var(--color-red);
        transition: color 0.5s;
    }.stat-label {
    color: black;
    line-height: 1.4;
}

.stat-text {
    color: #333;
    margin-bottom: 0.9375rem; 
    font-weight: bold;
}

.stat-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem; 
}

.tag {
    background-color: var(--color-purple);
    color: white;
    padding: 0.3125rem 0.9375rem; 
    border-radius: 0.9375rem; 
    transform: translateY(1.25rem); 
    transition: all 0.5s ease;
}


.tag:nth-child(1) { transition-delay: 0.1s }
.tag:nth-child(2) { transition-delay: 0.2s }
.tag:nth-child(3) { transition-delay: 0.3s }
.tag:nth-child(4) { transition-delay: 0.4s }

.graph-footer {
    max-width: 50rem; 
    margin: 2.5rem auto 0; 
    padding: 0 1.25rem; 
    text-align: center;
    color: black;
    font-style: italic;
}


.animate-on-scroll {
    opacity: 0;
    transform: translateY(2.5rem); 
    transition: opacity 0.7s, transform 0.7s;
}
.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}


.stat-tags .tag {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.5s, transform 0.5s;
    display: inline-block;
    margin: 0 0.3125rem 0.3125rem 0; 
    background: var(--color-yellow);
    color: #222;
    border-radius: 1.25rem; 
    padding: 0.25rem 0.875rem; 
}
.stat-tags .tag.tag-animated {
    opacity: 1;
    transform: scale(1);
}


.gallery {
    position: relative;
    text-align: left;
    z-index: 1;
}
#cards {
    padding-bottom: calc(var(--numcards) * var(--card-top-offset));
    margin-bottom: var(--card-margin);

    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(var(--numcards), var(--card-height));
    gap: var(--card-margin);

    justify-items: center;
    padding-left: 0;
    margin-bottom: 10rem;
}

#card_1, #card_6, #card_11, #card_16 {--index: 1;}
#card_2, #card_7, #card_12, #card_17 {--index: 2;}
#card_3, #card_8, #card_13, #card_18 {--index: 3;}
#card_4, #card_9, #card_14, #card_19 {--index: 4;}
#card_5, #card_10, #card_15, #card_20 {--index: 5;}

.card {
    position: sticky;
    top: 0;
    padding-top: calc(var(--index) * var(--card-top-offset));

    display: flex;
    justify-content: center;

    transition: transform 0.8s ease;
    box-sizing: border-box;
}

.card__content {
    transform-origin: 50% 0%;
    will-change: transform;
    box-shadow: 0 0.2em 1em rgba(0, 0, 0, 0.1), 0 1em 2em rgba(0, 0, 0, 0.1);
    color: rgb(10, 5, 7);
    border-radius: 1em;
    box-sizing: border-box;
    overflow: hidden;
    display: grid;
    grid-template-areas: "img text";
    grid-template-columns: 50% 1fr;
    grid-template-rows: auto;
    column-gap: 3rem;
    align-items: center;
    transition: transform 0.3s ease;
    height: auto;
    max-height:var(--card-height);
    width: 90vw;
    padding: 1.875rem; 
    background-image: url(media/fon/А4_рамки_оранжевые_горизонтальные-07.webp);
    background-color: var(--color-biruze);
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
}

.card__content figure img {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    border-radius: 1em;
    display: block;
}

.card_text {
    max-width: 100%;
    margin: 1.25rem; 
    position: relative;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

.card_text h3 {
    text-align: left;
    margin-bottom: 1rem;
}

.card_text h4 {
    margin-bottom: 1rem;
}

.card_text p {
    flex-grow: 1;
    margin-bottom: 1rem;
}

.card_text a {
    margin-top: auto;
    align-self: flex-end;
    display: inline-block;
    margin-right: 3rem;
}

.card_text a img {
    width: 7rem;
    transition: transform 0.3s ease;
}

.card_text a:hover img {
    transform: scale(1.1);
}

.flower-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 11;
    width: 100%;
    height: 100%;
}

html.modal-open, body.modal-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(0.3125rem); 
}

.modal-container {
    position: relative;
    z-index: 11;
    background: #fff;
    border-radius: 1rem; 
    box-shadow: 0 0.625rem 3.125rem rgba(0, 0, 0, 0.3); 
    width: 90vw !important;
    max-width: 75rem; 
    margin: 5vh auto;
    max-height: 90vh;
    overflow-y: auto;
    box-sizing: border-box;
    color: #333;
    border: 0.125rem solid #7c4dff; 
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(1.25rem); } 
    to { opacity: 1; transform: translateY(0); }
}

.modal-close {
    position: absolute;
    top: 1.25rem; 
    right: 1.5625rem; 
    background: none;
    border: none;
    color: #777;
    cursor: pointer;
    transition: color 0.3s;
    z-index: 11;
}

.modal-close:hover {
    color: #ff3d00;
}

.modal-header {
    padding: 1.875rem 1.875rem 0.9375rem; 
    border-bottom: 0.125rem solid #f0f0f0; 
}

.modal-header h2 {
    color: #2e7d32;
    margin: 0 0 0.625rem;
}

.modal-names {
    display: flex;
    gap: 1.25rem; 
}

.buryat-name {
    color: #d81b60;
    font-weight: bold;
}

.scientific-name {
    color: #5e35b1;
    font-style: italic;
}

.modal-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 1.25rem 1.875rem 1.875rem; 
    gap: 1.875rem; 
    width: 100%;
    box-sizing: border-box;
}

.modal-gallery {
    border-radius: 0.625rem; 
    overflow: hidden;
    box-shadow: 0 0.25rem 0.9375rem rgba(0,0,0,0.1); 
    height: 25rem; 
}

.modal-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.modal-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem; 
    width: 100%;
}

.info-section {
    background: #f9f9f9;
    padding: 1.25rem; 
    border-radius: 0.625rem; 
    border-left: 0.25rem solid #7c4dff; 
}

.info-section h3 {
    color: #5e35b1;
    margin-top: 0;
    margin-bottom: 0.9375rem; 
}

.facts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9375rem; 
    margin-top: 0.9375rem; 
}

.fact-item {
    text-align: center;
    padding: 0.9375rem; 
    background: white;
    border-radius: 0.5rem; 
    box-shadow: 0 0.125rem 0.5rem rgba(0,0,0,0.05); 
}

.fact-value {
    font-weight: bold;
    color: #2e7d32;
    margin-bottom: 0.3125rem; 
}

.fact-label {
    color: #666;
}

.status-section {
    background: #e8f5e9;
    border-left-color: #2e7d32;
}

.status-card {
    display: flex;
    gap: 0.9375rem; 
}

.status-icon {
    flex-shrink: 0;
}

.status-title {
    font-weight: bold;
    margin-bottom: 0.3125rem;
}


.modal-media {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.sketchfab-embed-wrapper {
    position: relative;
    padding-bottom: 56.25%; 
    height: auto;
    overflow: hidden;
    width: 100% !important;
}

.sketchfab-embed-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0.5rem;
    border: none;
}

.photo-tab img {
    width: 100%;
    border-radius: 0.5rem; 
    box-shadow: 0 0.25rem 0.9375rem rgba(0,0,0,0.1);
    height: auto;
    max-height: 25rem; 
    object-fit: contain;
    margin: 0 auto;
    display: block;
}

.media-tabs {
    display: flex;
    margin-bottom: 0.625rem;
}

.media-tab {
    padding: 0.5rem 1rem;
    background: #f0f0f0;
    border: none;
    cursor: pointer;
    border-radius: 0.25rem 0.25rem 0 0; 
}

.media-tab.active {
    background: var(--color-red);
    color: white;
}

.btn--herbarium {
    display: inline-block;
    padding: 0.625rem 1.25rem; 
    background-color: #2e7d32;
    color: white;
    border-radius: 0.25rem; 
    text-decoration: none;
    margin-top: 0.9375rem; 
    transition: background-color 0.3s;
}

.btn--herbarium:hover {
    background-color: #1b5e20;
}

.herbarium-link {
    margin-top: 1.25rem; 
    text-align: center;
}

#sectionPin.agroclasses {
    height: 400vh;
    margin: 0;
    padding: 0;
    position: relative;
    overflow: visible;
    view-timeline-name: --section-pin-tl;
    view-timeline-axis: block;
    z-index: 2;
}

.pin-wrap-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0.25rem 1.875rem rgba(0, 0, 0, 0.1); 
    backdrop-filter: blur(0.3125rem); 
    -webkit-backdrop-filter: blur(0.3125rem);
}

.pin-wrap {
    height: 100vh;
    display: flex;
    width: max-content;
    will-change: transform;
    animation: linear move forwards;
    animation-timeline: --section-pin-tl;
    animation-range: contain 0% contain 100%;
}

.agro-block {
    width: 70vw;
    height: 100vh;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    box-sizing: border-box;
    overflow: hidden;
}

.agro-text {
    max-width: 50rem; 
    margin: 0 auto;
    text-align: center;
    transition-delay: 0.2s;
}

.agro-text p{
    text-align: justify;
}

.agro-photo:nth-child(2) { transition-delay: 0.3s }
.agro-photo:nth-child(3) { transition-delay: 0.5s }
.agro-photo:nth-child(4) { transition-delay: 0.8s }

.agro-photo img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 0.5rem; 
    box-shadow: 0 0.25rem 1.25rem rgba(0, 0, 0, 0.2); 
}

@keyframes move {
    to {
        transform: translateX(calc(-100% + 100vw));
    }
}

.victorina {
    background-image: url(media/fon/cyber\ fon.webp);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 4rem 2rem;
    text-align: center;
}

.victorina-container, .results-card {
    max-width: 70vw; 
    max-height: auto;
    margin: 2rem auto;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 1rem; 
    padding: 2rem;
    box-shadow: 0 0.25rem 1.875rem rgba(0, 0, 0, 0.1); 
    backdrop-filter: blur(0.3125rem); 
    -webkit-backdrop-filter: blur(0.3125rem);
}

.progress {
    color: var(--color-purple);
    margin-bottom: 1rem;
    font-weight: bold;
}

.question-text {
    margin-bottom: 2rem;
    color: #333;
    line-height: 1.5;
}

.options-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.option-btn {
    padding: 1rem;
    border: 0.125rem solid var(--color-purple); 
    border-radius: 0.5rem; 
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 3.75rem; 
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.option-btn:hover:not(:disabled) {
    background: var(--color-biruze);
    transform: translateY(-0.125rem); 
}

.option-btn:disabled {
    cursor: not-allowed;
    opacity: 0.8;
}

.option-btn.correct {
    background: var(--color-biruze);
    border-color: #2e7d32;
}

.option-btn.incorrect {
    background: #FFC0C0;
    border-color: var(--color-red);
}

.hint-text {
    font-style: italic;
    color: var(--color-purple);
    margin-bottom: 1.5rem;
    min-height: 3.125rem; 
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s;
}

.next-btn, .restart-btn {
    padding: 0.8rem 2rem;
    background: var(--color-red);
    color: white;
    border: none;
    border-radius: 1.875rem; 
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 1rem;
}

.next-btn:hover:not(:disabled), .restart-btn:hover {
    background: var(--color-purple);
}

.next-btn:disabled {
    background: #cccccc;
    cursor: not-allowed;
}

.results-card h3 {
    color: var(--color-red);
    margin-bottom: 1.5rem;
}

.result-message {
    margin: 1.5rem 0;
    color: #333;
    font-weight: bold;
}

.fade-in {
    animation: fadeInVictorina 0.5s;
}
.fade-out {
    animation: fadeOutVictorina 0.2s;
}
@keyframes fadeInVictorina {
    from { opacity: 0; transform: translateY(1.25rem); } 
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeOutVictorina {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-1.25rem); } 
}

.sources {
    text-align: center;
    align-items: center;
    position: relative;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); 
    row-gap: 4.375rem; 
    column-gap: 1.25rem; 
    margin-bottom: 3.125rem; 
    z-index: 1;
    position: relative;
}

.source-card {
    background: white;
    border-radius: 0.9375rem; 
    padding: 1.875rem; 
    text-align: center;
    box-shadow: 0 0.625rem 1.875rem rgba(0, 0, 0, 0.05); 
    transition: all 0.2s ease;
    transform: translateY(3.125rem); 
    display: flex;
    flex-direction: column;
    height: 100%;
}
.source-card:hover {
    transform: translateY(-0.625rem) scale(1.02); 
    box-shadow: 0 1.25rem 2.5rem rgba(0, 0, 0, 0.1); 
}

.source-card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.source-icon img {
    width: 12.5rem; 
    margin-bottom: 1.25rem; 
    max-height: 12.5rem; 
    object-fit: contain;
}

.source-card h3 {
    color: var(--color-biruze);
    margin-bottom: 0.9375rem; 
    transition: var(--transition);
}

.source-card:hover h3 {
    color: var(--color-yellow);
}

.source-card p {
    flex-grow: 1;
    margin-bottom: 0.9375rem; 
}

.source-card a {
    color: var(--color-red);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-top: 0.9375rem; 
    transition: var(--transition);
}

.source-card a:hover {
    text-decoration: underline;
}

footer {
    max-width: 100%;
    background: linear-gradient(135deg, var(--color-biruze) 0%, var(--color-yellow) 100%);
    padding: 1.25rem; 
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(2, 1fr);
    grid-column-gap: 0;
    grid-row-gap: 0;
    align-items: center;
    justify-items: center;
}

footer p {
    margin: 0;
}

.footer-logo {
    width: 30vw; 
    grid-area: 1 / 1 / 2 / 2;
    text-align: center;
}

.call {
    grid-area: 1 / 3 / 2 / 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: left;
    align-self: start;
}

.call a {
    text-decoration: none;
    color: var(--color-red);
}

.call img {
    margin-bottom: 0.625rem; 
}

.call .call-text {
    align-self: flex-start;
}

.social-link img,
.call img {
    width: 3.75rem; 
}

.address {
    grid-area: 2 / 1 / 3 / 2;
    text-align: left;
    justify-self: start;
}

.press {
    grid-area: 2 / 3 / 3 / 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    align-self: center;
    text-align: center;
}

.press-2 {
    align-self: flex-start;
}

.social-link {
    grid-area: 1 / 5 / 2 / 6;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.9375rem; 
}

.copyright {
    grid-area: 2 / 5 / 3 / 6;
}

.footer-logo,
.copyright,
.social-link {
    text-align: center;
}

.developer-credit {
    text-align: center;
    color: #333;
    font-family: 'Courier New', monospace;
    align-self: center;
    padding: 0;
}

.developer-credit a {
    color: var(--color-red);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: bold;
}

.developer-credit a:hover {
    color: #8a1a2c;
}

.year {
    display: inline-block;
}

.back-to-top {
    position: fixed;
    bottom: 1.875rem; 
    right: 1.875rem; 
    width: 3.125rem; 
    height: 3.125rem; 
    border-radius: 50%;
    background: var(--color-red);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 11;
    box-shadow: 0 0.3125rem 0.9375rem rgba(0,0,0,0.2); 
}

.back-to-top:hover {
    background: var(--color-yellow);
    transform: translateY(-0.3125rem); 
}

@media (max-width: 1600px) {
    h1{
        font-size: 5rem;
    }
    h2{
        font-size: 2.5rem;
    }
    h3{
        font-size: 2rem;
    }
    h4{
        font-size: 1.5rem;
    }
    p, button, span, .option-btn, .next-btn, .restart-btn, li{
        font-size: 1.2rem;
    }
    :root {
    --card-height: 45vw;
    }
}

@media (max-width: 1280px) {
    h1{
        font-size: 4.5rem;
    }
    h2{
        font-size: 2rem;
    }
    h3{
        font-size: 1.5rem;
    }
    h4{
        font-size: 1.25rem;
    }
    p, button, span, .option-btn, .next-btn, .restart-btn, li{
        font-size: 1.1rem;
    }
    a{
        font-size: 1rem;
    }
    :root {
    --card-height: 60vw;
    --card-margin: 15vw;
    }
    #cards{
        margin-bottom: 0;
        padding-bottom: 10vw;
    }
}

@media (max-width: 1024px) {
    body{
        background-image: url('media/fon/А4_вертикальные-01.webp');
        background-attachment: scroll !important;
    }
    h1{
        font-size: 4rem;
    }
    h2{
        font-size: 2rem;
    }
    h3{
        font-size: 1.25rem;
    }
    h4{
        font-size: 1rem;
    }
    p, button, span, .option-btn, .next-btn, .restart-btn, li{
        font-size: 0.8rem;
    }
    a{
        font-size: 0.8rem;
    }
    :root {
    --card-height: 60vw;
    }
    .hero-button a {
        width: 10rem;
    }
    .back-to-top{
    bottom: 3vw;
    right: 3vw;
    }
    .point-label {
        transform: none;
    }
    .map-point:nth-child(odd) .point-label {
        transform: none;
    }
    .timeline-image {
    width: 15rem;
    }
    .card_text
    .card_text p,
    .card_text h3,
    .card_text h4{
        margin: 0.5rem;
    }
    .card_text a {
        margin-right: 1rem;
    }
    .card_text a img {
        width: 3rem;
    }
    .card__content figure img {
    max-width: 120%;
    max-height: 120%;
    }
}

@media (max-width: 768px) {
    h1{
        margin-top: 20vw;
        font-size: 2rem;
    }
    h2{
        font-size: 1rem;
    }
    h3{
        font-size: 0.8rem;
    }
    h4{
        font-size: 0.7rem;
    }
        p, button, span, .option-btn, .next-btn, .restart-btn, li{
        font-size: 0.6rem;
    }
    a{
        font-size: 0.6rem;
    }
    section{
        min-height: fit-content;
    }
    :root {
    --card-height: 60vw;
    }
    .leaf{
        width: 2rem;
        height: 2rem;
    }
    .logo-hero{
        width: 70vw;
    }
    .card__content{
        padding: 0.5rem;
    }
    .card {
        position: relative !important;
        top: 0 !important;
    }
    .card_text,
    .card_text p,
    .card_text h3,
    .card_text h4{
        margin: 0.1rem;
        font-size: xx-small;
    }
    .timeline-image {
        width: 10rem;
    }
    .card_text a img {
        width: 2rem;
    }
    .modal-content {
        display: grid;
        grid-template-columns: 1fr;
    }
    .modal-media img{
        padding-bottom: 0;
    }
    .back-to-top{
        width: 2rem;
        height: 2rem;
    }
    #sectionPin.agroclasses {
        height: auto !important;
        overflow: visible !important;
        display: block !important;
        position: static !important;
    }
    .pin-wrap {
        display: block !important;
        width: 100% !important;
        height: auto !important;
        position: static !important;
        overflow: visible !important;
        animation: none !important;
    }
    .pin-wrap-sticky{
        height: auto !important;
    }
    .agro-block {
        width: 100% !important;
        height: auto !important;
        padding: 1rem !important;
        flex-shrink: 0 !important;
        box-sizing: border-box;
    }
    .stat-icon{
        display: block;
    }
    .stat-item{
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    .call img,
    .social-link img{
        width: 2rem;
    }
}
@media (max-width:600px){
    .card__content {
    grid-template-areas: none;
    display: flex;
    gap: 0;
    flex-direction: column;
    align-items: center;
    width: 90vw;
    padding: 1rem;
}
    .card{
        padding-top: 10vw;
    }

    :root{
        --card-margin:2vw;
        --card-height: fit-content;
    }

    figure{
        margin: 0;
    }

    .card__content figure img {
        max-width: 100%;
    }

    .card_text {
        margin-top: 0;
        max-width: 100%;
        min-height:min-content;
    }

    .card_text h3 {
        margin-bottom: 0.2rem;
    }

    .card_text h4 {
        margin-bottom: 0.1rem;
    }

    .card_text p {
        margin-bottom: 0rem;
    }

    .card_text a {
        margin-top: 0;
    }

    .sources-grid {
        grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr));
        row-gap: 3rem;
        column-gap: 1rem; 
        margin-bottom: 4rem;
    }

    .source-card {
        padding: 1rem;
    }

    .source-icon img {
        width: 5rem;
        margin-bottom: 1rem;
        max-height: 10rem;
    }

    .source-card h3,
    .source-card p,
    .source-card a{
        margin-bottom: 0.5rem;
    }

    footer {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
        grid-column-gap: 1vw;
        grid-row-gap: 1vw;
    }

    .footer-logo { grid-area: 1 / 1 / 2 / 2; }
    .social-link { grid-area: 1 / 2 / 2 / 3; }
    .call { grid-area: 2 / 1 / 3 / 2; }
    .press { grid-area: 2 / 2 / 3 / 3; }
    .address { grid-area: 3 / 1 / 4 / 2; }
    .copyright { grid-area: 3 / 2 / 4 / 3; }
}
@media (max-width: 480px) {
    body{
        background-image: url('media/fon/а4_вертик_тел-01.webp');
    }
    h1{
        margin-top: 20vw;
        font-size: 1.8rem;
    }
    h2{
        font-size: 1rem;
    }
    h3{
        font-size: 0.7rem;
    }
    h4{
        font-size: 0.6rem;
    }
    p, button, span, .option-btn, .next-btn, .restart-btn, li{
        font-size: 0.5rem;
    }
    a{
        font-size: 0.5rem;
    }
    .sources-grid {
    row-gap: 3rem;
    column-gap: 0.25rem;
    }
    .leaf{
        width: 0;
        height: 0;
    }
    .graph {
    padding: 1rem 0;
    }
    .timeline-image {
        width: 8rem;
    }
    .call img,
    .social-link img{
        width: 2rem;
    }
}

@media (hover: none) and (pointer: coarse) {
    .hero-button a:hover {
    background-color: var(--color-red);
    }

    .map-point:hover .map-icon {
    transform: none;
    box-shadow: none;
    }

    .map-point:hover .point-label {
    background-color: white;
    color: #333;
    transform: none;
    border-color: transparent;
    }

    .map-point:nth-child(odd):hover .point-label {
    transform: none;
    }

    .card_text a:hover img {
    transform: none;
    }

    .option-btn:hover:not(:disabled) {
    background: white;
    transform: none;
    }

    .next-btn:hover:not(:disabled),
    .restart-btn:hover {
    background: var(--color-red);
    }

    .source-card:hover {
    transform: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }

    .back-to-top:hover {
    background: var(--color-red);
    transform: none;
    }

    .modal-close:hover {
    color: #777;
    }

    .btn--herbarium:hover {
    background-color: #2e7d32;
    }

    .timeline-content:hover {
    transform: none;
    }

    .source-card:hover h3 {
        color: var(--color-biruze);
    }

    .source-card a:hover{
        text-decoration: none;
    }

    .developer-credit a:hover {
        color: var(--color-red);
    }
}