/* RESET AND VARIABLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0A0C10;
    --bg-alt: #14171D;
    --accent-lime: #CFFF35;
    --text-white: #F0F0F0;
    --text-gray: #A0A0A0;
    --border-gray: #2A2D35;
    --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* HEADER */
.energy-qumbra-8118-main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 12, 16, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-gray);
}

.energy-qumbra-8118-header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.energy-qumbra-8118-brand-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-lime);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.energy-qumbra-8118-nav-checkbox {
    display: none;
}

.energy-qumbra-8118-nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.energy-qumbra-8118-nav-link {
    text-decoration: none;
    color: var(--text-white);
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.energy-qumbra-8118-nav-link:hover {
    color: var(--accent-lime);
}

.energy-qumbra-8118-lime-pulse-line {
    height: 2px;
    background: var(--accent-lime);
    width: 100%;
    box-shadow: 0 0 10px var(--accent-lime);
    animation: limePulse 3s infinite ease-in-out;
}

@keyframes limePulse {
    0% { opacity: 0.3; transform: scaleX(0.95); }
    50% { opacity: 1; transform: scaleX(1); }
    100% { opacity: 0.3; transform: scaleX(0.95); }
}

/* BURGER */
.energy-qumbra-8118-burger-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.energy-qumbra-8118-burger-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--accent-lime);
    transition: 0.3s;
}

/* HERO SECTION */
.energy-qumbra-8118-hero-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.energy-qumbra-8118-hero-container {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.energy-qumbra-8118-hero-visuals {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.energy-qumbra-8118-hero-photo-box:nth-child(1) {
    grid-row: span 2;
}

.energy-qumbra-8118-hero-img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    border: 1px solid var(--border-gray);
    object-fit: cover;
    transition: transform 0.4s ease;
}

.energy-qumbra-8118-hero-img:hover {
    transform: translateY(-10px);
    border-color: var(--accent-lime);
}

.energy-qumbra-8118-hero-img-caption {
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-top: 0.5rem;
}

.energy-qumbra-8118-hero-text {
    flex: 1;
}

.energy-qumbra-8118-main-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.energy-qumbra-8118-sub-title {
    font-size: 1.4rem;
    color: var(--accent-lime);
    margin-bottom: 2rem;
}

.energy-qumbra-8118-hero-desc {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
    font-size: 1.1rem;
}

.energy-qumbra-8118-cta-button {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background-color: var(--accent-lime);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 2px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.energy-qumbra-8118-cta-button:hover {
    box-shadow: 0 0 30px rgba(207, 255, 53, 0.5);
    transform: scale(1.05);
}

/* REVIEWS SLIDER */
.energy-qumbra-8118-reviews-section {
    padding: 5rem 2rem;
    background-color: var(--bg-alt);
}

.energy-qumbra-8118-section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-transform: uppercase;
    position: relative;
}

.energy-qumbra-8118-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-lime);
    margin: 1rem auto;
}

.energy-qumbra-8118-reviews-slider {
    display: flex;
    overflow-x: auto;
    gap: 2rem;
    padding-bottom: 2rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-lime) var(--bg-dark);
}

.energy-qumbra-8118-review-card {
    flex: 0 0 350px;
    background: var(--bg-dark);
    padding: 2.5rem;
    border: 1px solid var(--border-gray);
    scroll-snap-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.energy-qumbra-8118-review-text {
    font-style: italic;
    color: var(--text-white);
    margin-bottom: 2rem;
}

.energy-qumbra-8118-review-author {
    color: var(--accent-lime);
    font-weight: 700;
    font-size: 0.9rem;
}

/* QUOTE */
.energy-qumbra-8118-expert-quote {
    max-width: 800px;
    margin: 4rem auto 0;
    text-align: center;
    padding: 3rem;
    border: 2px solid var(--accent-lime);
    position: relative;
}

.energy-qumbra-8118-quote-body {
    font-size: 1.6rem;
    line-height: 1.4;
    margin-bottom: 1.5rem;
}

.energy-qumbra-8118-quote-author {
    font-weight: 600;
    color: var(--text-gray);
}

/* AUDIENCE */
.energy-qumbra-8118-audience-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.energy-qumbra-8118-section-intro {
    text-align: center;
    max-width: 700px;
    margin: -2rem auto 3rem;
    color: var(--text-gray);
}

.energy-qumbra-8118-audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.energy-qumbra-8118-audience-item {
    background: var(--bg-alt);
    border-bottom: 3px solid var(--border-gray);
    transition: border-color 0.3s;
}

.energy-qumbra-8118-audience-item:hover {
    border-color: var(--accent-lime);
}

.energy-qumbra-8118-audience-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.energy-qumbra-8118-audience-content {
    padding: 2rem;
}

.energy-qumbra-8118-audience-content h3 {
    margin-bottom: 1rem;
    color: var(--accent-lime);
}

.energy-qumbra-8118-price-tag {
    display: block;
    margin-top: 1rem;
    font-weight: 800;
    color: var(--text-white);
    font-size: 1.2rem;
}

.energy-qumbra-8118-benefit-list {
    margin-top: 4rem;
    columns: 2;
    list-style: none;
}

.energy-qumbra-8118-benefit-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.energy-qumbra-8118-benefit-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-lime);
    font-weight: 900;
}

/* ADVANTAGES */
.energy-qumbra-8118-advantages-section {
    padding: 5rem 2rem;
    background-color: var(--bg-alt);
}

.energy-qumbra-8118-adv-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: center;
}

.energy-qumbra-8118-adv-text, .energy-qumbra-8118-adv-visual {
    flex: 1;
}

.energy-qumbra-8118-adv-img {
    width: 100%;
    border-radius: 4px;
    filter: grayscale(0.5);
    transition: filter 0.3s;
}

.energy-qumbra-8118-adv-img:hover {
    filter: grayscale(0);
}

.energy-qumbra-8118-check-list {
    list-style: none;
    margin-top: 2rem;
}

.energy-qumbra-8118-check-list li {
    margin-bottom: 1.2rem;
    padding-left: 2.5rem;
    position: relative;
}

.energy-qumbra-8118-check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    width: 15px;
    height: 15px;
    background-color: var(--accent-lime);
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

/* PRICING */
.energy-qumbra-8118-pricing-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.energy-qumbra-8118-price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.energy-qumbra-8118-price-card {
    border: 1px solid var(--border-gray);
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s;
    background: var(--bg-dark);
}

.energy-qumbra-8118-price-card:hover {
    border-color: var(--accent-lime);
    transform: translateY(-5px);
}

.energy-qumbra-8118-price-featured {
    border: 2px solid var(--accent-lime);
    position: relative;
}

.energy-qumbra-8118-price-featured::before {
    content: 'Популярний';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-lime);
    color: var(--bg-dark);
    padding: 0.2rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
}

.energy-qumbra-8118-price-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 1.5rem 0;
    color: var(--accent-lime);
}

.energy-qumbra-8118-price-features {
    list-style: none;
    margin-bottom: 2.5rem;
    text-align: left;
    color: var(--text-gray);
}

.energy-qumbra-8118-price-features li {
    margin-bottom: 0.8rem;
    border-bottom: 1px solid var(--border-gray);
    padding-bottom: 0.4rem;
}

.energy-qumbra-8118-price-btn {
    display: block;
    padding: 1rem;
    border: 1px solid var(--accent-lime);
    color: var(--accent-lime);
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
}

.energy-qumbra-8118-price-btn:hover {
    background: var(--accent-lime);
    color: var(--bg-dark);
}

/* FAQ */
.energy-qumbra-8118-faq-section {
    padding: 6rem 2rem;
    background: var(--bg-alt);
}

.energy-qumbra-8118-faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.energy-qumbra-8118-faq-item {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-gray);
    background: var(--bg-dark);
}

.energy-qumbra-8118-faq-question {
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    position: relative;
}

.energy-qumbra-8118-faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    color: var(--accent-lime);
    font-size: 1.5rem;
}

.energy-qumbra-8118-faq-item[open] .energy-qumbra-8118-faq-question::after {
    content: '-';
}

.energy-qumbra-8118-faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-gray);
    border-top: 1px solid var(--border-gray);
}

/* EXTRA TEXT SECTIONS */
.energy-qumbra-8118-extra-text-section {
    padding: 6rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.energy-qumbra-8118-bg-alt {
    background: var(--bg-alt);
    max-width: 100%;
}

.energy-qumbra-8118-text-block p {
    margin-bottom: 2rem;
    font-size: 1.15rem;
    color: var(--text-gray);
}

/* FORM */
.energy-qumbra-8118-form-section {
    padding: 6rem 2rem;
}

.energy-qumbra-8118-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-alt);
    padding: 4rem;
    border-top: 4px solid var(--accent-lime);
}

.energy-qumbra-8118-form-sub {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-gray);
}

.energy-qumbra-8118-form-group {
    margin-bottom: 1.5rem;
}

.energy-qumbra-8118-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.energy-qumbra-8118-form-group input, 
.energy-qumbra-8118-form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-gray);
    color: var(--text-white);
    font-family: inherit;
}

.energy-qumbra-8118-form-group input:focus, 
.energy-qumbra-8118-form-group textarea:focus {
    outline: none;
    border-color: var(--accent-lime);
}

.energy-qumbra-8118-checkbox-group {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.energy-qumbra-8118-form-submit {
    width: 100%;
    padding: 1.2rem;
    background: var(--accent-lime);
    color: var(--bg-dark);
    border: none;
    font-weight: 800;
    cursor: pointer;
    text-transform: uppercase;
}

/* FOOTER */
.energy-qumbra-8118-main-footer {
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-gray);
    text-align: center;
    background: var(--bg-dark);
}

.energy-qumbra-8118-footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.energy-qumbra-8118-copy {
    margin-bottom: 1rem;
    font-weight: 600;
}

.energy-qumbra-8118-contact-info {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.energy-qumbra-8118-contact-info a {
    color: var(--accent-lime);
    text-decoration: none;
}

.energy-qumbra-8118-footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.energy-qumbra-8118-footer-links a {
    color: var(--text-gray);
    font-size: 0.85rem;
    text-decoration: none;
    transition: 0.3s;
}

.energy-qumbra-8118-footer-links a:hover {
    color: var(--accent-lime);
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .energy-qumbra-8118-hero-container, 
    .energy-qumbra-8118-adv-container {
        flex-direction: column;
    }
    
    .energy-qumbra-8118-price-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .energy-qumbra-8118-audience-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .energy-qumbra-8118-burger-btn {
        display: flex;
    }
    
    .energy-qumbra-8118-nav-wrapper {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-dark);
        transition: 0.4s;
        padding: 2rem;
    }
    
    .energy-qumbra-8118-nav-list {
        flex-direction: column;
        align-items: center;
    }
    
    .energy-qumbra-8118-nav-checkbox:checked ~ .energy-qumbra-8118-nav-wrapper {
        left: 0;
    }
    
    .energy-qumbra-8118-nav-checkbox:checked ~ .energy-qumbra-8118-burger-btn span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .energy-qumbra-8118-nav-checkbox:checked ~ .energy-qumbra-8118-burger-btn span:nth-child(2) {
        opacity: 0;
    }
    
    .energy-qumbra-8118-nav-checkbox:checked ~ .energy-qumbra-8118-burger-btn span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .energy-qumbra-8118-main-title {
        font-size: 2.5rem;
    }
    
    .energy-qumbra-8118-price-grid {
        grid-template-columns: 1fr;
    }
    
    .energy-qumbra-8118-benefit-list {
        columns: 1;
    }
}