/* CSS Variables for Light Theme */
:root {
    /* Colors - Light Theme */
    --color-primary: #FFFFFF;
    --color-white: #FFFFFF;
    --color-secondary: #000000;
    --color-black: #000000;
    --color-text: #000000;
    --color-text-inverted: #FFFFFF;
    --color-gray: #D9D9D9;
    --color-gray-footer: #D9D9D9;
    --color-background-light: #F5F2FF;
    --color-background-features: #F5F2FF;
    --color-dark-blue: #0D091A;
    --color-cta-bg: #ffffff33;
    
    /* Gradients - Light Theme */
    --gradient-primary: radial-gradient(circle at 0% 0%, rgba(159, 128, 255, 1) 0%, rgba(245, 245, 245, 1) 100%);
    --gradient-logo: radial-gradient(circle at 0% 0%, rgba(245, 245, 245, 1) 0%, rgba(159, 128, 255, 1) 100%);
    --gradient-dark: radial-gradient(circle at 0% 0%, rgba(159, 128, 255, 1) 0%, rgba(13, 9, 26, 1) 100%);
    --gradient-light: radial-gradient(circle at 0% 0%, rgba(245, 245, 245, 1) 0%, rgba(128, 255, 255, 1) 100%);
    --gradient-footer: radial-gradient(circle at 0% 0%, rgba(159, 128, 255, 1) 0%, rgba(246, 242, 255, 1) 100%);
    --gradient-contact: radial-gradient(circle at 0% 0%, rgba(159, 128, 255, 1) 0%, rgba(246, 242, 255, 1) 100%);
    --gradient-features-bg: radial-gradient(circle at 0% 0%, rgba(245, 245, 245, 1) 0%, rgba(246, 242, 255, 1) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 1) 90%);
    
    /* Typography */
    --font-family: 'Helvetica Neue', sans-serif;
    --font-size-xxs: 14px;
    --font-size-sm: 24px;
    --font-size-md: 32px;
    --font-size-lg: 40px;
    --font-size-xl: 48px;
    --font-size-xxl: 64px;
    --font-size-xxxl: 113px;
    
    /* Spacing */
    --spacing-xs: 10px;
    --spacing-sm: 20px;
    --spacing-md: 30px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 120px;
    
    /* Layout */
    --container-width: 1440px;
    --content-width: 1200px;
    --section-padding: var(--spacing-xxl);
}

/* Dark Theme Variables */
@media (prefers-color-scheme: dark) {
    :root {
        /* Colors - Dark Theme */
        --color-primary: #000000;
        --color-secondary: #FFFFFF;
        --color-text: #FFFFFF;
        --color-text-inverted: #000000;
        --color-gray: #4D4D4D;
        --color-gray-footer: #4D4D4D;
        --color-background-light: #000000;
        --color-background-features: radial-gradient(circle at 0% 0%, rgba(48, 38, 77, 1) 0%, rgba(13, 9, 26, 1) 100%);
        --color-cta-bg: #33333311;
        
        /* Gradients - Dark Theme */
        --gradient-primary: radial-gradient(circle at 0% 0%, rgba(159, 128, 255, 1) 0%, rgba(245, 245, 245, 1) 100%);
        --gradient-logo: radial-gradient(circle at 0% 0%, rgba(245, 245, 245, 1) 0%, rgba(159, 128, 255, 1) 100%);
        --gradient-dark: radial-gradient(circle at 0% 0%, rgba(159, 128, 255, 1) 0%, rgba(13, 9, 26, 1) 100%);
        --gradient-light: radial-gradient(circle at 0% 0%, rgba(245, 245, 245, 1) 0%, rgba(128, 255, 255, 1) 100%);
        --gradient-footer: radial-gradient(circle at 0% 0%, rgba(159, 128, 255, 1) 0%, rgba(245, 245, 245, 1) 100%);
        --gradient-contact: radial-gradient(circle at 0% 0%, rgba(159, 128, 255, 1) 0%, rgba(245, 245, 245, 1) 100%);
        --gradient-features-bg: radial-gradient(circle at 0% 0%, rgba(48, 38, 77, 1) 0%, rgba(13, 9, 26, 1) 100%);
    }
}

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

body {
    font-family: var(--font-family);
    line-height: 1.2;
    color: var(--color-text);
    background-color: var(--color-primary);
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
}

/* Container */
.header__container,
.hero__container,
.features__container,
.production__container,
.contact__container,
.footer__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--section-padding);
}

.hero {
    background: url('hero-concert.webp') no-repeat center center;
    background-size: cover;
}

/* Header */
.header {
    position: absolute;
    width: 100%;
    z-index: 100;
    padding: 51px 0;
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__title {
    font-size: var(--font-size-md);
    background: var(--gradient-logo);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1%;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav__link {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-white);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.nav__link:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    position: relative;
    height: 800px;
    overflow: hidden;
    background: #30264D;
    background: radial-gradient(circle, rgba(48, 38, 77, 1) 0%, rgba(0, 0, 0, 1) 50%);
    background: url('hero-concert.webp') no-repeat center center;
    background-size: cover;
}

.hero__container {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero__image {
    position: absolute;
    top: 0;
    width: 1440px;
    height: 800px;
    overflow: hidden;
}

.hero__image--left {
    left: 0;
}

.hero__image--right {
    right: 0;
}

.hero__img {
    width: 1920px;
    height: 800px;
    object-fit: cover;
    object-position: center;
}

.hero__content {
    position: relative;
    z-index: 10;
    max-width: 735px;
}

.hero__title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: -2%;
    line-height: 0.9;
    margin-bottom: var(--spacing-md);
}

.hero__title span {
    font-size: var(--font-size-xxxl);
}

.hero__subtitle {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xl);
}

/* Button */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 32px var(--spacing-lg);
    border: none;
    border-radius: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: -2%;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.button--primary {
    background: var(--gradient-primary);
    color: var(--color-text-inverted);
}

.button--primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.hero__cta {
    color: var(--color-white);
    background: var(--color-cta-bg);
    backdrop-filter: blur(5px);
    width: 100%;
    border-top: 1px #363636 solid;
    border-bottom: 1px #363636 solid;
    border-right: 1px #121212 solid;
    border-radius: 2px;
}

/* Features Section */
.features {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-features-bg);
}

.features__badges {
    display: flex;
    gap: 24px;
    margin-bottom: var(--spacing-xl);
    justify-content: center;
}

.badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 0;
    font-size: var(--font-size-sm);
    font-weight: 700;
    height: 160px;
    width: 588px;
}

.badge--primary {
    background: var(--gradient-dark);
    color: var(--color-text-inverted);
}
.badge--primary .badge__text {
    color: white;
}
.badge--primary svg {
    color: white;
}

.badge--secondary {
    background: var(--gradient-light);
    color: var(--color-black);
}

.badge__icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.badge__circle {
    width: 15px;
    height: 15px;
    background-color: var(--color-black);
    border-radius: 50%;
}

/* Feature Grid */
.features__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    position: relative;
    height: 300px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
    width: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    z-index: 1;
    transition: background 0.3s ease;
}

.feature-card--exclusive {
    background-image: url('exclusive-material-bg.webp');
}

.feature-card--authors {
    background-image: url('live-authors-bg.webp');
}

.feature-card--quality {
    background-image: url('quality-guarantee-bg.webp');
}

.feature-card--time {
    background-image: url('exclusive-material-bg.webp');
}

.feature-card__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-sm);
    gap: var(--spacing-xs);
    width: 100%;
}

.feature-card__title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.feature-card__description {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-white);
    line-height: 1.2;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.feature-card:hover .feature-card__title {
    opacity: 0;
    transform: translateY(-10px);
}

.feature-card:hover .feature-card__description {
    opacity: 1;
    transform: translateY(0);
}

.feature-card__icon {
    width: 100px;
    height: 100px;
    background-color: rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-xs);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.feature-card:hover .feature-card__icon {
    opacity: 0;
    transform: translateY(-10px);
}

/* Production Section */
.production {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-primary);
}
/* 
.production__container {
    max-width: var(--content-width);
} */

.production__header {
    margin-bottom: var(--spacing-xl);
}

.production__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: -2%;
    line-height: 0.9;
    margin-bottom: var(--spacing-md);
}

.production__subtitle {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    text-transform: uppercase;
}

.production__services {
    display: grid;
    grid-template-columns: repeat(3, 384px);
    gap: 24px;
}

.service-card {
    position: relative;
    height: 282px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    z-index: 1;
    transition: background 0.3s ease;
}

.service-card--turnkey {
    background-image: url('quality-guarantee-bg.webp');
}

.service-card--custom {
    background-image: url('live-authors-bg.webp');
}

.service-card--release {
    background-image: url('exclusive-material-bg.webp');
}

.service-card__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
}

.service-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.service-card__description {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-white);
    line-height: 1.2;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.service-card__hover-description {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-white);
    line-height: 1.2;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.service-card:hover .service-card__title {
    opacity: 0;
    transform: translateY(-10px);
}

.service-card:hover .service-card__description {
    opacity: 0;
    transform: translateY(-10px);
}

.service-card:hover .service-card__hover-description {
    opacity: 1;
    transform: translateY(0);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-contact);
}
/* 
.contact__container {
    max-width: var(--content-width);
} */

.contact__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact__header {
    max-width: 556px;
}

.contact__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-inverted);
    text-transform: uppercase;
    letter-spacing: -2%;
    line-height: 0.9;
    margin-bottom: var(--spacing-md);
}

.contact__subtitle {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text-inverted);
    text-transform: uppercase;
    line-height: 1.2;
}

/* Form */
.contact__form {
    display: grid;
    grid-template-columns: repeat(3, 384px);
    gap: 24px;
    align-items: end;
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form__label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-inverted);
}

.form__input {
    border: none;
    border-bottom: 1px solid var(--color-text-inverted);
    background: transparent;
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    color: var(--color-text-inverted);
    outline: none;
}

.form__input:focus {
    border-bottom-color: rgba(159, 128, 255, 1);
}

.form__checkbox {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.form__checkbox-input {
    width: 15px;
    height: 15px;
    border: 1px solid var(--color-text-inverted);
    border-radius: 50%;
    appearance: none;
    cursor: pointer;
}

.form__checkbox-input:checked {
    background-color: var(--color-text-inverted);
}

.form__checkbox-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-inverted);
    line-height: 1.2;
    cursor: pointer;
}

.form__submit {
    grid-column: 1;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-inverted);
    background: transparent;
    border: none;
    padding: var(--spacing-sm) 0;
    cursor: pointer;
    text-align: left;
    margin-top: var(--spacing-sm);
}

.form__submit:hover {
    opacity: 0.7;
}

.form__submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form__recaptcha {
    grid-column: 1 / -1;
    display: flex;
    margin: var(--spacing-sm) 0;
}

.form__message {
    grid-column: 1 / -1;
    padding: var(--spacing-sm);
    border-radius: 4px;
    text-align: center;
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-top: var(--spacing-sm);
}

.form__message--success {
    background-color: rgba(72, 187, 120, 0.1);
    color: #2F855A;
    border: 1px solid rgba(72, 187, 120, 0.3);
}

.form__message--error {
    background-color: rgba(245, 101, 101, 0.1);
    color: #C53030;
    border: 1px solid rgba(245, 101, 101, 0.3);
}

.form__checkbox-link {
    color: var(--color-text-inverted);
    text-decoration: underline;
    transition: opacity 0.3s ease;
}

.form__checkbox-link:hover {
    opacity: 0.7;
}

/* Footer */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--color-black);
}

.footer__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__title {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--color-gray-footer);
    letter-spacing: -1%;
}
.footer p {
    color: var(--color-gray-footer);
}

.footer__nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.footer__nav-link {
    font-size: var(--font-size-xxs);
    font-weight: 500;
    color: var(--color-gray-footer);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer__nav-link:hover {
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 1480px) {
    :root {
        --container-width: 100%;
        --content-width: 90%;
    }

    .production__services {
        grid-template-columns: 1fr;
        margin: 0 auto;
    }

    .contact__form {
        grid-template-columns: repeat(3, 300px);
    }
    
    /* .hero__container,
    .features__container,
    .production__container,
    .contact__container,
    .footer__container {
        padding: 0 var(--spacing-sm);
    } */
}

/* Адаптивность для планшетов и ниже */
@media (max-width: 1200px) {
    .features__grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        gap: var(--spacing-sm);
    }
    
    .feature-card {
        /* max-width: 588px; */
        margin: 0 auto;
    }
}

@media (max-width: 1024px) {
    .features__badges {
        flex-direction: column;
        align-items: center;
    }

    .contact__form {
        grid-template-columns: 1fr;
        max-width: 384px;
    }
}

/* Адаптивность для больших планшетов */
@media (max-width: 900px) {
    .header__container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero__container {
        justify-content: center;
    }
    .features__grid {
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-sm);
    }
    
    .feature-card {
        height: 250px;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-xxl: 48px;
        --font-size-xxxl: 80px;
        --font-size-xl: 36px;
        --font-size-lg: 32px;
        --font-size-md: 24px;
        --font-size-sm: 20px;
        --font-size-xs: 16px;
        --spacing-xxl: 60px;
        --spacing-xl: 40px;
    }
    
    .nav__list {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .hero {
        height: 600px;
        text-align: center;
    }
    
    .hero__content {
        max-width: 100%;
    }
    
    .hero__video-label {
        position: static;
        margin-top: var(--spacing-sm);
    }
    
    .badge {
        width: 100%;
        max-width: 400px;
        padding: var(--spacing-sm);
    }
    
    .feature-card {
        height: 200px;
        margin: 0;
    }
    
    .service-card {
        height: 200px;
    }
    
    .footer__container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .footer__nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
}

/* Адаптивность для средних экранов */
@media (max-width: 640px) {
    .features__grid {
        gap: var(--spacing-xs);
        padding: 0 var(--spacing-xs);
    }

    .feature-card {
        height: 220px;
    }
    
    .form__recaptcha {
        transform: scale(0.85);
        transform-origin: center;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-xxxl: 42px;
        --font-size-xxl: 30px;
        --font-size-xl: 32px;
        --font-size-lg: 24px;
        --font-size-md: 20px;
        --font-size-sm: 18px;
        --font-size-xs: 16px;
    }

    .header {
        padding: 20px 0;
    }

    .hero__container {
        margin-top: 40px;
    }

    .hero__image {
        width: 100%;
    }
    
    .hero__img {
        width: 150%;
        height: 100%;
    }
    
    .badge {
        height: 80px;
    }
    
    .features__grid {
        padding: 0 var(--spacing-xs);
        gap: var(--spacing-xs);
    }
    
    .feature-card {
        height: 180px;
        border-radius: 8px;
    }
    
    .service-card {
        height: 180px;
        border-radius: 8px;
    }
    
    .form__recaptcha {
        transform-origin: center;
    }
}