/* ======== ROOT & BASE STYLES ======== */
:root {
    --bg-dark: #1C1C1E;
    --bg-light: #2C2C2E;
    --text-primary: #F2F2F7;
    --text-secondary: #AEAEB2;
    --accent-blue: #0A84FF;
    --accent-blue-hover: #3b9bff;
    --border-color: #3A3A3C;
    --font-family: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
}

.subsection-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent-blue);
    padding-bottom: 10px;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
}

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

/* ======== BUTTONS ======== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--accent-blue);
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s, transform 0.2s;
}

.btn:hover {
    background-color: var(--accent-blue-hover);
    transform: translateY(-2px);
}

.btn--secondary {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
}
.btn--secondary:hover {
    background-color: var(--border-color);
}

.btn--large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* ======== HEADER ======== */
.header {
    background-color: rgba(28, 28, 30, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.header__logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.header__nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.header__nav a {
    color: var(--text-secondary);
    font-weight: 600;
    transition: color 0.3s;
}

.header__nav a:hover {
    color: var(--text-primary);
}

.header__contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

.header__burger-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
}

/* ======== HERO ======== */
.hero {
    padding-top: 100px;
    background: radial-gradient(circle, rgba(10, 132, 255, 0.1), transparent 50%);
}

.hero__container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero__content {
    flex: 1;
}

.hero__image {
    flex: 1;
    text-align: center;
}
.hero__image img {
    border-radius: 16px;
}

.hero__content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero__text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.hero__benefits {
    list-style: none;
    padding-left: 0;
}

.hero__benefits li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1rem;
}

.hero__benefits i {
    color: var(--accent-blue);
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

/* ======== SPECS / TABS ======== */
.tabs {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 20px;
}

.tabs__nav {
    display: flex;
    margin-bottom: 20px;
    background-color: var(--bg-dark);
    border-radius: 8px;
    padding: 5px;
}

.tabs__btn {
    flex: 1;
    padding: 15px;
    border: none;
    background-color: transparent;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.3s, color 0.3s;
}

.tabs__btn:hover {
    background-color: #3a3a3c55;
}

.tabs__btn--active {
    background-color: var(--accent-blue);
    color: #fff;
}

.tabs__pane {
    display: none;
    padding: 20px;
    animation: fadeIn 0.5s;
}

.tabs__pane--active {
    display: block;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}
.spec-item:last-child {
    border-bottom: none;
}
.spec-item i {
    color: var(--accent-blue);
    width: 25px;
    text-align: center;
}
.spec-item span {
    color: var(--text-secondary);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}


/* ======== ABOUT ======== */
.about__container {
    display: flex;
    align-items: center;
    gap: 50px;
}
.about__text {
    flex: 1.2;
}
.about__text .section-title {
    text-align: left;
}
.about__image {
    flex: 1;
}
.about__image img {
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* ======== ADVANTAGES ======== */
.advantages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-card {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}
.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}
.advantage-card i {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 20px;
}
.advantage-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}
.advantage-card p {
    color: var(--text-secondary);
}

/* ======== WHATSINBOX ======== */
.whatsinbox__container {
    display: flex;
    gap: 50px;
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
}
.whatsinbox__column {
    flex: 1;
}
.whatsinbox__column ul, .whatsinbox__column ol {
    list-style-position: inside;
    padding-left: 0;
}
.whatsinbox__column ul li {
    list-style-type: none;
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}
.whatsinbox__column ol li {
    margin-bottom: 10px;
    color: var(--text-secondary);
}
.whatsinbox__column ol li::marker {
    color: var(--accent-blue);
    font-weight: 700;
}
.whatsinbox__column i {
    color: var(--accent-blue);
}

/* ======== APPLICATIONS & REQUIREMENTS ======== */
.applications__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.application-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 12px;
}
.application-item h3 {
    margin-bottom: 10px;
    color: var(--accent-blue);
}
.requirements__list {
    display: flex;
    justify-content: center;
    gap: 30px;
    list-style: none;
    flex-wrap: wrap;
}
.requirements__list li {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 250px;
}
.requirements__list i {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: 15px;
}

/* ======== PRICES ======== */
.price-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-light);
    border-radius: 12px;
    overflow: hidden;
    font-size: 1rem;
}
.price-table th, .price-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.price-table thead {
    background-color: var(--bg-dark);
}
.price-table th {
    color: var(--text-secondary);
    font-weight: 600;
}
.price-table__highlight {
    background-color: rgba(10, 132, 255, 0.1);
    border-left: 4px solid var(--accent-blue);
}
.price-table__highlight td:first-child {
    font-weight: 700;
}
.price-table__highlight i {
    margin-right: 8px;
    color: #FFD700;
}

/* ======== GALLERY ======== */
.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.gallery__grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.3s, filter 0.3s;
}
.gallery__grid img:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

/* ======== FAQ ======== */
.faq .container {
    max-width: 800px;
}
.faq__item {
    background-color: var(--bg-light);
    margin-bottom: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.faq__item summary {
    padding: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq__item summary::after {
    content: '\f078'; /* Font Awesome chevron-down */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    transition: transform 0.3s;
}
.faq__item details[open] summary::after {
    transform: rotate(180deg);
}
.faq__answer {
    padding: 0 20px 20px 20px;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}


/* ======== REVIEWS ======== */
.reviews__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.review-card {
    background-color: var(--bg-light);
    padding: 25px;
    border-radius: 12px;
}
.review-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.review-card__rating {
    color: #FFD700;
}
.review-card p {
    color: var(--text-secondary);
    font-style: italic;
}

/* ======== CONTACT & FOOTER ======== */
.contact {
    background: var(--bg-light);
    text-align: center;
}
.contact__container {
    max-width: 700px;
}
.contact p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}
.contact__details {
    margin-bottom: 40px;
}
.contact__details p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}
.contact__details i {
    margin-right: 10px;
    color: var(--accent-blue);
}

.footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.footer__contact {
    margin-bottom: 20px;
}
.footer__legal p {
    margin-bottom: 5px;
}

/* ======== RESPONSIVE DESIGN ======== */
@media (max-width: 1024px) {
    .header__nav, .header__contact {
        display: none;
    }
    .header__burger-btn {
        display: block;
    }
    /* Mobile Menu Styles */
    .header__nav.is-active {
        display: flex;
        position: absolute;
        top: 74px;
        right: 0;
        width: 100%;
        background-color: var(--bg-dark);
        flex-direction: column;
        padding: 20px;
    }
    .header__nav.is-active ul {
        flex-direction: column;
        align-items: center;
    }
    .hero__container, .about__container {
        flex-direction: column;
    }
    .hero__content h1 {
        font-size: 2.5rem;
        text-align: center;
    }
    .hero__content {
        text-align: center;
    }
    .about__text .section-title {
        text-align: center;
    }
    .whatsinbox__container {
        flex-direction: column;
    }
    .applications__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    .hero__content h1 {
        font-size: 2.2rem;
    }
    .tabs__nav {
        flex-direction: column;
    }
    .advantages__grid {
        grid-template-columns: 1fr;
    }
    .reviews__grid {
        grid-template-columns: 1fr;
    }
    .price-table {
        font-size: 0.9rem;
    }
    .price-table th, .price-table td {
        padding: 15px 10px;
    }
    .price-table .btn {
        padding: 8px 12px;
    }
}