:root {
    --background-dark: #1a1a1a;
    --background-filter: invert(25%);
    --card-background: #2a2a2a;
    --highlight-cyan: #35c6dd;
    --text-light: #e0e0e0;
    --text-muted: #c0c0c0;
    --text-subtle: #a0a0a0;
    --text-footer: #808080;
    --separator-gray: #444;
    --pricing-divider-gray: #666;
    --highlight-background: #3a3a3a;
    --shadow-dark: rgba(0, 0, 0, 0.5);
    --shadow-subtle: rgba(0, 0, 0, 0.3);
    --shadow-light: rgba(0, 0, 0, 0.2);
    --telegram-blue: #2AABEE;
    --telegram-hover: #1C96D4;
    --telegram-active: #1679A8;
    --whatsapp-green: #25D366;
    --whatsapp-hover: #20B858;
    --whatsapp-active: #1A9A47;
    --instagram-purple: #C13584;
    --instagram-hover: #A12C6F;
    --instagram-active: #7D2355;
    --avito-white: #ffffff;
    --avito-hover: #dadada;
    --avito-active: #c5c5c5;
    --copy-highlight: #2ba6bb;
    --button-dark: #444;
}

@font-face {
    font-family: 'Benzin';
    src: url('/static/fonts/benzin-regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Benzin';
    src: url('/static/fonts/benzin-medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Benzin';
    src: url('/static/fonts/benzin-semibold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Benzin';
    src: url('/static/fonts/benzin-bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Benzin';
    src: url('/static/fonts/benzin-extrabold.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
    font-display: swap;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Benzin', Arial, sans-serif;
    font-weight: normal;
    background-color: var(--background-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: var(--text-light);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/static/imgs/background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    filter: var(--background-filter);
    z-index: -1;
    animation: fadeInBackground 1s ease-in-out forwards;
}

@keyframes fadeInBackground {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.card {
    background-color: var(--card-background);
    border-radius: 15px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    text-align: center;
    box-shadow: 0 8px 20px var(--shadow-dark);
    animation: fadeIn 1s ease-in-out;
    position: relative;
    z-index: 1;
    margin-top: 2rem;
    margin-bottom: 2rem;
    -webkit-box-shadow: 0 8px 20px var(--shadow-dark);
    -moz-box-shadow: 0 8px 20px var(--shadow-dark);
}

@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.dj-name {
    font-size: clamp(2rem, 6vw, 2.5rem);
    font-weight: 800;
    color: var(--highlight-cyan);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.tagline {
    font-size: clamp(1rem, 3vw, 1.2rem);
    font-weight: 500;
    color: var(--text-subtle);
    margin: 0.5rem 0 1.5rem;
}

.links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.btn {
    color: var(--background-dark);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    width: 100%;
    max-width: 200px;
    text-align: center;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.btn[data-platform="telegram"],
.btn[data-platform="telegram-channel"] {
    background-color: var(--telegram-blue);
}

.btn[data-platform="telegram"]:hover,
.btn[data-platform="telegram-channel"]:hover {
    transform: scale(1.05);
    background-color: var(--telegram-hover);
    box-shadow: 0 2px 8px var(--shadow-subtle);
}

.btn[data-platform="telegram"]:active,
.btn[data-platform="telegram-channel"]:active {
    transform: scale(0.95);
    background-color: var(--telegram-active);
    box-shadow: 0 1px 4px var(--shadow-light);
}

.btn[data-platform="whatsapp"] {
    background-color: var(--whatsapp-green);
}

.btn[data-platform="whatsapp"]:hover {
    transform: scale(1.05);
    background-color: var(--whatsapp-hover);
    box-shadow: 0 2px 8px var(--shadow-subtle);
}

.btn[data-platform="whatsapp"]:active {
    transform: scale(0.95);
    background-color: var(--whatsapp-active);
    box-shadow: 0 1px 4px var(--shadow-light);
}

.btn[data-platform="instagram"] {
    background-color: var(--instagram-purple);
}

.btn[data-platform="instagram"]:hover {
    transform: scale(1.05);
    background-color: var(--instagram-hover);
    box-shadow: 0 2px 8px var(--shadow-subtle);
}

.btn[data-platform="instagram"]:active {
    transform: scale(0.95);
    background-color: var(--instagram-active);
    box-shadow: 0 1px 4px var(--shadow-light);
}

.btn[data-platform="avito"] {
    background-color: var(--avito-white);
}

.btn[data-platform="avito"]:hover {
    transform: scale(1.05);
    background-color: var(--avito-hover);
    box-shadow: 0 2px 8px var(--shadow-subtle);
}

.btn[data-platform="avito"]:active {
    transform: scale(0.95);
    background-color: var(--avito-active);
    box-shadow: 0 1px 4px var(--shadow-light);
}

.btn-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    order: -1;
}

.bio {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    line-height: 1.5;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.bio p {
    margin-bottom: 1rem;
}

.bio ul {
    list-style: none;
    text-align: left;
    padding-left: 1rem;
}

.bio ul li {
    margin-bottom: 1rem;
    position: relative;
}

.bio ul li:before {
    content: "•";
    color: var(--highlight-cyan);
    position: absolute;
    left: -1rem;
    font-size: 1.2em;
    font-weight: bold;
}

.contact-block {
    margin-bottom: 2rem;
}

.contact-block h3 {
    font-size: clamp(1.1rem, 3vw, 1.2rem);
    font-weight: 600;
    color: var(--highlight-cyan);
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0.75rem 0;
}

.copy-text {
    color: var(--text-light);
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.copy-text:hover {
    background-color: var(--separator-gray);
    color: var(--highlight-cyan);
}

.copy-text.copied {
    background-color: var(--copy-highlight);
    color: var(--background-dark);
}

.carousel {
    margin-bottom: 2rem;
}

.carousel h3 {
    font-size: clamp(1.1rem, 3vw, 1.2rem);
    font-weight: 600;
    color: var(--highlight-cyan);
    margin-bottom: 1rem;
}

.carousel-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 10px var(--shadow-light);
}

.carousel-slides {
    display: flex;
    width: 100%;
    height: 300px;
}

.carousel-slide {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
}

.carousel-slide.active {
    opacity: 1;
    position: relative;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: transparent;
    color: var(--text-light);
    border: none;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.carousel-arrow:hover {
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--highlight-cyan);
    transform: translateY(-50%) scale(1.1);
}

.carousel-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-arrow-left {
    left: 10px;
}

.carousel-arrow-right {
    right: 10px;
}

.separator {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--separator-gray) 20%, var(--separator-gray) 80%, transparent);
    margin: 0 auto 1rem;
    width: 80%;
}

.principles {
    margin-bottom: 2rem;
}

.principles h3 {
    font-size: clamp(1.1rem, 3vw, 1.2rem);
    font-weight: 600;
    color: var(--highlight-cyan);
    margin-bottom: 1rem;
}

.principle-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.principle-btn {
    background-color: var(--button-dark);
    color: var(--text-light);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.principle-btn:hover {
    background-color: var(--highlight-cyan);
    color: var(--background-dark);
    transform: scale(1.05);
}

.principle-btn.active {
    background-color: var(--highlight-cyan);
    color: var(--background-dark);
}

.principle-content {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    line-height: 1.5;
    color: var(--text-muted);
    text-align: left;
}

.pricing {
    margin-bottom: 2rem;
}

.pricing h3 {
    font-size: clamp(1.1rem, 3vw, 1.2rem);
    font-weight: 600;
    color: var(--highlight-cyan);
    margin-bottom: 1rem;
}

.pricing h4 {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    font-weight: 600;
    color: var(--text-light);
    margin: 0.5rem 0;
}

.pricing h4.additional-services {
    color: var(--highlight-cyan);
    font-weight: 700;
    border-bottom: 2px solid var(--highlight-cyan);
    padding-bottom: 0.2rem;
    margin-top: 1rem;
}

.pricing p {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.pricing p.equipment-text {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.pricing .highlight {
    font-weight: 600;
    color: var(--highlight-cyan);
    background-color: var(--highlight-background);
    padding: 0.5rem;
    border-radius: 5px;
    display: inline-block;
    margin: 1rem 0;
}

.pricing .pricing-section {
    margin-bottom: 1.5rem;
}

.pricing .pricing-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--pricing-divider-gray) 20%, var(--pricing-divider-gray) 80%, transparent);
    margin: 1rem auto;
    width: 60%;
}

.pricing ul {
    list-style: none;
    text-align: left;
    padding-left: 1rem;
}

.pricing ul li {
    margin-bottom: 0.5rem;
    position: relative;
}

.pricing ul li:before {
    content: "•";
    color: var(--highlight-cyan);
    position: absolute;
    left: -1rem;
    font-size: 1.2em;
    font-weight: bold;
}

.pricing ul.equipment-list {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.pricing .additional-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.pricing .service-item {
    background-color: var(--highlight-background);
    padding: 0.75rem;
    border-radius: 5px;
    text-align: center;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    color: var(--text-light);
    font-weight: 500;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.pricing .service-item .service-name {
    display: block;
}

.pricing .service-item .service-price {
    color: var(--highlight-cyan);
    font-weight: 600;
    display: block;
}

.equipment {
    margin-bottom: 2rem;
}

.equipment h3 {
    font-size: clamp(1.1rem, 3vw, 1.2rem);
    font-weight: 600;
    color: var(--highlight-cyan);
    margin-bottom: 1rem;
}

.equipment ul {
    list-style: none;
    text-align: left;
    padding-left: 1rem;
}

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

.equipment-item:before {
    content: "•";
    color: var(--highlight-cyan);
    position: absolute;
    left: -1rem;
    font-size: 1.2em;
    font-weight: bold;
}

.equipment-text {
    margin-bottom: 1rem;
}

.equipment-img-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.equipment-img {
    width: 100%;
    max-width: 300px;
    height: auto;
}

.equipment-img.scale-95 {
    transform: scale(0.95);
    max-width: calc(300px * 0.95);
}

.equipment-img.scale-90 {
    transform: scale(0.90);
    max-width: calc(300px * 0.90);
}

.equipment-img.scale-85 {
    transform: scale(0.85);
    max-width: calc(300px * 0.85);
}

.equipment-img.scale-80 {
    transform: scale(0.80);
    max-width: calc(300px * 0.80);
}

.equipment-img.scale-75 {
    transform: scale(0.75);
    max-width: calc(300px * 0.75);
}

.equipment-img.scale-70 {
    transform: scale(0.70);
    max-width: calc(300px * 0.70);
}

.equipment-img.scale-65 {
    transform: scale(0.65);
    max-width: calc(300px * 0.65);
}

.equipment-img.scale-50 {
    transform: scale(0.50);
    max-width: calc(300px * 0.50);
}

.equipment-video-details {
    margin: 1rem auto;
    max-width: 300px;
}

.equipment-video-details summary {
    color: var(--highlight-cyan);
    font-weight: 600;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.2s ease;
}

.equipment-video-details summary:hover {
    color: var(--text-light);
}

.equipment-video-details[open] summary {
    color: var(--text-light);
}

.equipment-video {
    width: 100%;
    max-width: 300px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.video-fallback {
    color: var(--text-light);
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    font-weight: 500;
    text-align: center;
    padding: 1rem;
}

.video-fallback::before {
    content: "⚠ ";
    color: var(--highlight-cyan);
}

.equipment-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--separator-gray) 50%, transparent);
    margin: 1.5rem auto;
    width: 60%;
}

.equipment ul li em {
    color: var(--text-subtle);
    font-style: italic;
}

.equipment ul li em.highlight {
    color: var(--highlight-cyan);
    font-style: italic;
    font-weight: 600;
}

.footer {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    color: var(--text-footer);
    line-height: 1.4;
}

.footer p {
    margin: 0.2rem 0;
}

@media (max-width: 600px) {
    .card {
        padding: 1.5rem;
        margin-top: 1rem;
        margin-bottom: 1rem;
    }
    .separator {
        width: 90%;
    }
    .pricing .additional-services-grid {
        grid-template-columns: 1fr;
    }
    .carousel-slides {
        height: 200px;
    }
}

@media (max-width: 400px) {
    .dj-name {
        letter-spacing: 1px;
    }
    .card {
        padding: 1rem;
        margin-top: 0.5rem;
        margin-bottom: 0.5rem;
    }
    .carousel-slides {
        height: 150px;
    }
}