/* ===========================
   Variables & Reset
   =========================== */
:root {
    /* Colors from KaelusTV Logo */
    --yellow: #F4D03F;
    --cyan: #5DADE2;
    --purple: #7D3C98;
    --dark-purple: #5B2C6F;
    --black: #0A0A0A;
    --dark-gray: #1A1A1A;
    --medium-gray: #2A2A2A;
    --light-gray: #CCCCCC;
    --white: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--yellow) 0%, var(--cyan) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.9) 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(93,173,226,0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(93, 173, 226, 0.1);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo-img {
    height: 80px;
    width: auto;
}

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

.nav-links a {
    color: var(--white);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn-primary-small):hover {
    color: var(--cyan);
}

.nav-links a:not(.btn-primary-small)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-links a:not(.btn-primary-small):hover::after {
    width: 100%;
}

.btn-primary-small {
    background: var(--gradient-primary);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-primary-small:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    border-bottom: 1px solid rgba(93, 173, 226, 0.2);
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    z-index: 1;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.gradient-text {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--light-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition-normal);
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--cyan);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(93, 173, 226, 0.2);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

.hero-note {
    color: var(--yellow);
    font-size: 1rem;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--light-gray);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

.scroll-indicator {
    width: 2px;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ===========================
   Section Styling
   =========================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--light-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ===========================
   Features Section
   =========================== */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--dark-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--medium-gray);
    padding: var(--spacing-lg);
    border-radius: 20px;
    border: 1px solid rgba(93, 173, 226, 0.1);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--cyan);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--cyan);
}

.feature-card p {
    color: var(--light-gray);
    line-height: 1.7;
}

/* ===========================
   Catalog Section
   =========================== */
.catalog {
    padding: var(--spacing-xl) 0;
    background: var(--black);
}

.catalog-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    padding: 0.8rem 2rem;
    background: var(--medium-gray);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.tab-btn:hover {
    background: var(--dark-purple);
}

.tab-btn.active {
    background: var(--gradient-primary);
    border-color: var(--cyan);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.content-card {
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition-normal);
    cursor: pointer;
}

.content-card:hover {
    transform: scale(1.05);
}

.content-thumb {
    position: relative;
    aspect-ratio: 2/3;
    overflow: hidden;
}

.content-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.content-card:hover .content-thumb img {
    transform: scale(1.1);
}

.content-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.9) 100%);
}

.content-badge {
    background: var(--gradient-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ===========================
   Plans Section
   =========================== */
.plans {
    padding: var(--spacing-xl) 0;
    background: var(--dark-gray);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.plan-card {
    background: var(--medium-gray);
    border-radius: 25px;
    padding: var(--spacing-lg);
    border: 2px solid rgba(93, 173, 226, 0.2);
    transition: var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    width: 100%;
}

.plan-card.featured {
    border-color: var(--cyan);
    box-shadow: var(--shadow-glow);
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-secondary);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--black);
}

.plan-badge-special {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.plan-card.featured:hover {
    transform: translateY(-10px);
}

.plan-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.plan-name {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.plan-description {
    color: var(--light-gray);
    font-size: 1rem;
    text-align: justify;
    margin-bottom: var(--spacing-md);
}

.plan-savings {
    text-align: center;
    background: rgba(244, 208, 63, 0.2);
    color: var(--yellow);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--yellow);
}

.plan-price {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    white-space: nowrap;
}

.plan-payment {
    text-align: center;
    font-size: 0.75rem;
    color: var(--cyan);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(93, 173, 226, 0.2);
    white-space: nowrap;
}

.plan-payment-spacer {
    height: 1.5rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(93, 173, 226, 0.2);
}

.price-currency {
    font-size: 1.3rem;
    color: var(--cyan);
    vertical-align: top;
    position: relative;
    top: 0.3rem;
}

.price-amount {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--white);
}

.price-period {
    font-size: 0.9rem;
    color: var(--light-gray);
    vertical-align: bottom;
    position: relative;
    bottom: 0.2rem;
}

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.plan-features li {
    padding: var(--spacing-sm) 0;
    color: var(--light-gray);
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.plan-features li:last-child {
    border-bottom: none;
}

.btn-plan {
    display: block;
    text-align: center;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition-normal);
    margin-top: auto;
}

.btn-plan:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-plan-featured {
    background: var(--gradient-secondary);
    color: var(--black);
}

.plan-total {
    text-align: center;
    color: var(--cyan);
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(93, 173, 226, 0.2);
}

.plans-note {
    text-align: center;
    color: var(--yellow);
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: var(--spacing-md);
}

/* ===========================
   FAQ Section
   =========================== */
.faq {
    padding: var(--spacing-xl) 0;
    background: var(--black);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--medium-gray);
    border-radius: 15px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    border: 1px solid rgba(93, 173, 226, 0.1);
    transition: var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--cyan);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--cyan);
}

.faq-icon {
    font-size: 2rem;
    color: var(--cyan);
    transition: var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--light-gray);
    line-height: 1.8;
}

/* ===========================
   CTA Section
   =========================== */
.cta {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-primary);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.cta-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark-gray);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(93, 173, 226, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--light-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

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

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--medium-gray);
    border-radius: 50%;
    font-size: 1.5rem;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: var(--cyan);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--cyan);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--light-gray);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--cyan);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.footer-contact li {
    color: var(--light-gray);
    margin-bottom: var(--spacing-sm);
}

.btn-footer {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-footer:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(93, 173, 226, 0.1);
    color: var(--light-gray);
}

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

.footer-legal a {
    color: var(--light-gray);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--cyan);
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1200px) {
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .plans-grid {
        grid-template-columns: 1fr;
    }

    .plan-card.featured {
        transform: scale(1);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }

    .content-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .catalog-tabs {
        gap: 0.5rem;
    }

    .tab-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   Utility Classes
   =========================== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeInUp 0.6s ease;
}