/* ======================================
   Variables
====================================== */
:root {
    /* Colors */
    --color-primary: #00B5CC;
    --color-primary-hover: #00C5DD;
    --color-secondary: #00B8D9;
    --color-accent: #6A55FD;
    --color-background: #000000;
    --color-card: #141414;
    --color-card-hover: #1F1F1F;
    --color-text: #FFFFFF;
    --color-text-secondary: #B3B3B3;
    --color-overlay: rgba(0, 0, 0, 0.7);
    --color-shadow: rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Sizes */
    --header-height: 70px;
    --container-width: 1280px;
    --content-card-height: 200px;
    --hero-height: 80vh;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
    outline: none;
}

/* ======================================
   Typography
====================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-md);
}

.section-title {
    margin-bottom: var(--spacing-lg);
    position: relative;
    font-weight: 600;
}

/* ======================================
   Layout
====================================== */
.header, .main, .footer {
    width: 100%;
}

.header__container, 
.hero__content,
.featured,
.categories,
.popular,
.recent,
.about__container,
.plans__container,
.footer__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

/* ======================================
   Header
====================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: transparent;
    z-index: 100;
    transition: background-color var(--transition-normal);
}

.header.scrolled {
    background-color: var(--color-background);
    box-shadow: 0 4px 10px var(--color-shadow);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    flex-shrink: 0;
}

.logo {
    height: 60px;
    width: auto;
}

.header__nav {
    margin: 0 var(--spacing-md);
}

.nav__menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav__link {
    font-size: 1rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
}

.header__user {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-right: 10px;
}

.language-switcher .flag {
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.2s ease;
    margin: 0 5px;
}

.language-switcher .flag:hover {
    opacity: 1;
    transform: scale(1.2);
}

.language-switcher .flag.active {
    opacity: 1;
    transform: scale(1.2);
    text-shadow: 0 0 5px rgba(0, 181, 204, 0.8);
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.search-input {
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--border-radius-md);
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm) var(--spacing-xs) calc(var(--spacing-sm) * 2.5);
    width: 200px;
    transition: all var(--transition-normal);
}

.search-input:focus {
    background-color: rgba(255, 255, 255, 0.2);
    outline: none;
    width: 250px;
}

.search-input::placeholder {
    color: var(--color-text-secondary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-subscribe {
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: background-color var(--transition-fast);
}

.btn-subscribe:hover {
    background-color: var(--color-primary-hover);
}

.btn-login {
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.btn-login:hover {
    color: var(--color-primary);
}

.header__mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ======================================
   Hero Section
====================================== */
.hero {
    position: relative;
    height: var(--hero-height);
    display: flex;
    align-items: center;
    overflow: hidden;
    margin-top: var(--header-height);
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero__title {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px var(--color-shadow);
}

.hero__subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: background-color var(--transition-fast);
    font-size: 1rem;
}

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

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: background-color var(--transition-fast);
    font-size: 1rem;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.5) 60%,
        rgba(0, 0, 0, 0.9) 100%
    );
    z-index: 1;
}

.hero__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* ======================================
   Empty Content
====================================== */
.empty-content {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    width: 100%;
    background-color: var(--color-card);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    font-style: italic;
}

.btn-watch {
    background-color: var(--color-primary);
    color: var(--color-text);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 8px 16px;
    margin-top: 10px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: background-color var(--transition-fast);
}

.btn-watch:hover {
    background-color: var(--color-primary-hover);
}

/* ======================================
   Carousel
====================================== */
.carousel {
    position: relative;
    overflow: hidden;
}

.carousel__container {
    display: flex;
    gap: var(--spacing-md);
    transition: transform var(--transition-slow);
    padding: var(--spacing-sm) 0;
}

.carousel__item {
    flex: 0 0 220px;
    height: 330px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-normal);
    box-shadow: 0 5px 15px var(--color-shadow);
}

.carousel__item:hover {
    transform: scale(1.05);
    z-index: 2;
    box-shadow: 0 10px 20px var(--color-shadow);
}

.carousel__image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: var(--color-card);
}

.carousel__info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm);
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.7) 50%,
        rgba(0, 0, 0, 0) 100%
    );
}

.carousel__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.carousel__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.carousel__button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.6);
    color: var(--color-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    transition: background-color var(--transition-fast);
}

.carousel__button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.carousel__button--prev {
    left: 10px;
}

.carousel__button--next {
    right: 10px;
}

/* ======================================
   Categories
====================================== */
.categories__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/9;
    transition: transform var(--transition-normal);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--color-shadow);
}

.category-card__image {
    width: 100%;
    height: 100%;
}

.category-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-card__title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.6) 60%,
        rgba(0, 0, 0, 0) 100%
    );
    font-size: 1.25rem;
    font-weight: 600;
}

/* ======================================
   Content Grids
====================================== */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.content-card {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    position: relative;
    aspect-ratio: 2/3;
    background-color: var(--color-card);
    transition: transform var(--transition-normal);
}

.content-card:hover {
    transform: scale(1.05);
    z-index: 1;
    box-shadow: 0 10px 20px var(--color-shadow);
}

.content-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.content-card__info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm);
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.7) 50%,
        rgba(0, 0, 0, 0) 100%
    );
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.content-card:hover .content-card__info {
    transform: translateY(0);
}

.content-card__title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.content-card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.content-card__rating {
    display: flex;
    align-items: center;
    gap: 2px;
}

.content-card__rating i {
    color: var(--color-primary);
}

/* ======================================
   About Section
====================================== */
.about__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about__text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.about__image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px var(--color-shadow);
}

/* ======================================
   Plans Section
====================================== */
.plans__container {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.plan-card {
    background-color: var(--color-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    transition: transform var(--transition-normal);
    max-width: 300px;
    width: 100%;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--color-shadow);
}

.plan-card--featured {
    border: 2px solid var(--color-primary);
    z-index: 1;
}

.plan-card__tag {
    position: absolute;
    top: -15px;
    right: 20px;
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-card__header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.plan-card__title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.plan-card__price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.plan-card__price span {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 400;
}

.plan-card__features {
    margin-bottom: var(--spacing-lg);
}

.plan-card__features ul li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
}

.plan-card__features ul li::before {
    content: "✓";
    margin-right: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 700;
}

.plan-card__cta {
    text-align: center;
}

/* ======================================
   Episodes Section
====================================== */
.episodes-list {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.episodes-title {
    margin-bottom: var(--spacing-md);
    font-size: 1.8rem;
}

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

.episode-item {
    display: flex;
    align-items: center;
    background-color: var(--color-card);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    transition: background-color var(--transition-fast);
}

.episode-item:hover {
    background-color: var(--color-card-hover);
}

.episode-number {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-text);
    border-radius: 50%;
    font-weight: bold;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.episode-info {
    flex: 1;
}

.episode-title {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.episode-duration {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.episode-play {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.episode-play:hover {
    background-color: var(--color-primary);
}

.episodes-note {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
    font-style: italic;
}

/* ======================================
   Footer
====================================== */
.footer {
    background-color: var(--color-card);
    padding-top: var(--spacing-xl);
}

.footer__container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.footer__logo {
    margin-bottom: var(--spacing-md);
}

.footer__tagline {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.footer__heading {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer__column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer__column ul li a:hover {
    color: var(--color-primary);
}

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
}

.footer__bottom {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* ======================================
   Responsive Design
====================================== */
@media (max-width: 1200px) {
    :root {
        --container-width: 100%;
    }
    
    .hero__title {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .header__nav {
        display: none;
    }
    
    .header__mobile-toggle {
        display: block;
    }
    
    .about__container {
        grid-template-columns: 1fr;
    }
    
    .about__image {
        order: -1;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__subtitle {
        font-size: 1.2rem;
    }
    
    .footer__container {
        grid-template-columns: 1fr;
    }
    
    .footer__links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .search-bar {
        display: none;
    }
    
    .hero__content {
        text-align: center;
    }
    
    .hero__cta {
        justify-content: center;
    }
    
    .carousel__item {
        flex: 0 0 250px;
    }
    
    .plans__container {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__subtitle {
        font-size: 1rem;
    }
    
    .hero__cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .carousel__item {
        flex: 0 0 220px;
    }
    
    .footer__links {
        grid-template-columns: 1fr;
    }
}