:root {
    --bg: #1a1a1a;
    --bg-dark: #111111;
    --bg-card: #222222;
    --bg-card-hover: #2a2a2a;
    --text: #ffffff;
    --text-muted: #999999;
    --text-dark: #666666;
    --primary: #ffcc00;
    --primary-dark: #e6b800;
    --border: #333333;
    --border-light: #444444;
}

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

/* Accessibility helpers */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--primary);
    color: var(--bg-dark);
    padding: 12px 24px;
    z-index: 2000;
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Site Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(17, 17, 17, 0.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 68px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.site-header__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
    transition: opacity 0.2s ease;
}

.site-header__brand:hover { opacity: 0.85; }

.site-header__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.site-header__brand-text {
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--text);
    line-height: 1;
}

.site-header__contacts {
    display: flex;
    align-items: center;
    gap: 28px;
}

.site-header__contact {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    transition: color 0.2s ease;
}

.site-header__contact:hover,
.site-header__contact:focus-visible { color: var(--primary); }

.site-header__icon {
    flex-shrink: 0;
    color: var(--primary);
    transition: transform 0.2s ease;
}

.site-header__contact:hover .site-header__icon { transform: scale(1.08); }

.site-header__contact-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.site-header__contact-label {
    font-size: 10px;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--text-dark);
}

.site-header__contact-value {
    margin-top: 3px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.2px;
    white-space: nowrap;
}

.site-header__contact--phone .site-header__contact-value {
    font-variant-numeric: tabular-nums;
}

@media (max-width: 900px) {
    .site-header__contact--email { display: none; }
    .site-header__contacts { gap: 16px; }
}

@media (max-width: 600px) {
    .site-header__inner { min-height: 60px; gap: 12px; }
    .site-header__brand-text { font-size: 15px; letter-spacing: 1px; }
    .site-header__contact-label { display: none; }
    .site-header__contact-value { font-size: 14px; }
    .site-header__logo { width: 32px; height: 32px; }
    .site-header__logo svg { width: 24px; height: 24px; }
}

body {
    font-family: 'Inter Tight', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

/* Стрелка для текстовых элементов (без I-beam) */
body,
p,
h1, h2, h3, h4, h5, h6,
span,
li,
label {
    cursor: default;
}

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

/* Buttons */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border: none;
    border-radius: 0;
    font-family: 'Inter Tight', sans-serif;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

/* Курсор-pointer для интерактивных карточек и ссылок */
.hero-benefit,
.category-card,
.spec-highlight-card,
.spec-row,
.service-card,
.faq-question,
.contact-details a,
.modal-close {
    cursor: pointer;
}

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-block {
    width: 100%;
}

/* Header */
.header {
    background: var(--bg-dark);
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.logo-img img {
    height: 50px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
}

.logo-tagline {
    font-size: 12px;
    color: var(--text-muted);
}

.header-phone {
    font-weight: 700;
    font-size: 16px;
    color: var(--text);
    text-decoration: none;
}

/* Hero Section (Carousel) */
.hero {
    position: relative;
    min-height: 640px;
    overflow: hidden;
}

.hero__viewport {
    position: relative;
    width: 100%;
    min-height: inherit;
    overflow: hidden;
}

.hero__track {
    display: flex;
    width: 100%;
    min-height: inherit;
    transition: transform 0.6s cubic-bezier(0.65, 0, 0.35, 1);
    will-change: transform;
}

.hero-slide {
    flex: 0 0 100%;
    min-width: 100%;
    min-height: inherit;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Тип A: фоновое изображение */
.hero-slide--bg .hero-slide__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: url("bg-hero.jpg") center center / cover no-repeat;
    filter: brightness(0.9);
}

.hero-slide--bg .hero-slide__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(17, 17, 17, 0.45), rgba(17, 17, 17, 0.78));
}

.hero-slide__content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

/* Тип B: товар справа */
.hero-slide--product {
    background:
        radial-gradient(1100px 620px at 85% 50%, rgba(255, 204, 0, 0.08), transparent 60%),
        linear-gradient(135deg, #111 0%, #1a1a1a 55%, #202020 100%);
}

.hero-slide--product::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(800px 400px at 10% 100%, rgba(255, 204, 0, 0.06), transparent 60%);
    pointer-events: none;
}

.hero-slide__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 48px;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.hero-slide__media {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
}

.hero-slide__media img {
    max-width: 100%;
    max-height: 460px;
    object-fit: contain;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5));
}

.hero-text {
    max-width: none;
    margin-left: 0;
    text-align: left;
}

.hero h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 64px;
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-slide--product h1 {
    font-size: 52px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.hero-overline {
    display: inline-block;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 14px;
}

.hero-benefits {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 100%;
    margin-top: 32px;
}

.hero-benefit {
    min-height: 120px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-benefit:hover {
    background: rgba(255, 204, 0, 0.18);
    border-color: var(--primary);
    box-shadow: 0 16px 40px rgba(255, 204, 0, 0.28);
}

.hero-benefit.flag:hover {
    background: linear-gradient(120deg,
        rgba(255, 255, 255, 0.55),
        rgba(46, 106, 189, 0.55),
        rgba(204, 33, 39, 0.55));
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow:
        0 0 22px rgba(255, 255, 255, 0.45),
        0 0 38px rgba(46, 106, 189, 0.45),
        0 0 46px rgba(204, 33, 39, 0.45),
        0 18px 42px rgba(0, 0, 0, 0.32);
}

/* Стрелки навигации */
.hero__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(6px);
}

.hero__nav:hover {
    background: rgba(255, 204, 0, 0.9);
    border-color: var(--primary);
    color: #111;
}

.hero__nav:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.hero__nav--prev { left: 16px; }
.hero__nav--next { right: 16px; }

/* Точки-пагинация */
.hero__dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 18px;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 10px;
    pointer-events: none;
}

.hero__dot {
    pointer-events: auto;
    width: 36px;
    height: 4px;
    padding: 0;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: background 0.3s ease, width 0.3s ease;
}

.hero__dot:hover { background: rgba(255, 255, 255, 0.6); }

.hero__dot.is-active {
    background: var(--primary);
    width: 56px;
}

.hero__dot:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.hero__live {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* reduced-motion: без анимации смены слайдов */
@media (prefers-reduced-motion: reduce) {
    .hero__track { transition: none; }
}

/* Stats Section */
.stats {
    background: var(--bg-dark);
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-item {
    display: block;
    padding: 18px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(8px);
}

.stat-text {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.2px;
}
/* Categories Section */
.categories {
    padding: 60px 0;
    background: var(--bg);
}

.section-heading {
    margin-bottom: 25px;
}

.section-title {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    font-weight: 600;
    text-transform: uppercase;
}

.section-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.category-card {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(8px);
}

.category-card:hover {
    background: rgba(255, 204, 0, 0.18);
    border-color: var(--primary);
    box-shadow: 0 16px 40px rgba(255, 204, 0, 0.28);
    backdrop-filter: blur(10px);
}

.category-card span {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
}

/* Product Specs Section */
.product-specs {
    padding: 80px 0;
    background: var(--bg);
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.specs-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-height: 100%;
}

.specs-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 30px;
}

.spec-highlight-card {
    padding: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: all 0.3s ease;
}

.spec-highlight-card:hover {
    background: rgba(255, 204, 0, 0.12);
    border-color: rgba(255, 204, 0, 0.4);
    box-shadow: 0 12px 40px rgba(255, 204, 0, 0.2);
    transform: translateY(-4px);
}

.highlight-value {
    font-family: 'Oswald', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.highlight-unit {
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 4px;
}

.highlight-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 10px;
    line-height: 1.3;
}

.specs-applications {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    padding: 24px;
}

.specs-figure {
    background: transparent;
    border: none;
    backdrop-filter: none;
    box-shadow: none;
    padding: 0;
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.specs-figure img {
    max-width: 520px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.35));
}

.specs-download {
    margin-top: auto;
    display: flex;
}

.specs-download-inner {
    width: 100%;
}

.specs-download .btn {
    width: 100%;
    margin-bottom: 20px;
}

.specs-applications h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 16px;
    color: var(--text);
}

.specs-applications ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.specs-applications li {
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.5;
}

.specs-applications li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--primary);
}

.specs-applications li:last-child {
    margin-bottom: 0;
}

.specs-table {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.spec-label {
    font-size: 14px;
    color: var(--text-muted);
}

.spec-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    text-align: right;
}

@media (max-width: 1024px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .specs-highlights {
        grid-template-columns: 1fr;
    }
}

/* Services Section */
.services {
    padding: 60px 0;
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.service-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    background: rgba(255, 204, 0, 0.16);
    border-color: var(--primary);
    box-shadow: 0 16px 40px rgba(255, 204, 0, 0.26);
}

.service-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: transparent;
}

.service-content {
    padding: 20px;
    flex: 1;
}

.service-content h3,
.service-content h2.service-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.service-content p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.service-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-top: 1px solid var(--border);
    margin-top: auto;
    min-height: 76px;
}

.service-price {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.price-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.price-currency {
    font-size: 16px;
    color: var(--text-muted);
}

/* About Section */
.about {
    padding: 60px 0;
    background: var(--bg);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.about-badge {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
}

.about-badge img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.about-badge span {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.feature-bullet {
    width: 8px;
    height: 8px;
    background: var(--primary);
    flex-shrink: 0;
}

.feature-item span {
    font-size: 14px;
}

/* Partners & Discount Section */
.partners {
    padding: 60px 0;
    background: var(--bg-dark);
}

.partners-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.partners-text h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    border-left: 4px solid var(--primary);
    padding-left: 15px;
}

.partners-text p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 22px;
}

.partners-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.partners-item {
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    font-size: 14px;
    color: var(--text);
}

.discount-banner {
    background: var(--bg-card);
    border: 1px solid var(--border);
    overflow: hidden;
}

.discount-img {
    height: 200px;
    overflow: hidden;
}

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

.discount-content {
    padding: 25px;
}

.discount-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.discount-title {
    font-size: 18px;
    font-weight: 600;
}

.discount-percent {
    font-family: 'Oswald', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
}

.discount-content p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.discount-banner .btn {
    width: 100%;
    display: block;
    text-align: center;
}

.partners-cta {
    width: 100%;
    margin-top: 12px;
    grid-column: 1 / -1;
}

.partners-cta .btn {
    width: 100%;
    text-align: center;
}

/* Steps Section */
.steps {
    padding: 60px 0;
    background: var(--bg);
}

.steps-header {
    margin-bottom: 40px;
}

.steps-label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
    padding-left: 15px;
}

.steps-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

.steps-title img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.steps-title span {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.step-number {
    font-family: 'Oswald', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.step-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.step-content p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 60px 0;
    background: var(--bg-dark);
}

.faq-header {
    margin-bottom: 40px;
}

.faq-label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
    padding-left: 15px;
}

.faq-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

.faq-title img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.faq-title span {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
}

.faq-list {
    max-width: 800px;
}

.faq-item {
    border: 1px solid var(--border);
    margin-bottom: 10px;
    background: var(--bg-card);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    cursor: pointer;
    transition: background 0.3s ease;
    width: 100%;
    background: none;
    border: none;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
    text-align: left;
}

.faq-question:hover {
    background: var(--bg-card-hover);
}

.faq-toggle {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--bg-dark);
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.faq-question span:last-child {
    font-size: 15px;
    font-weight: 500;
}

.faq-answer {
    display: none;
    padding: 0 20px 20px 65px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    display: block;
}

/* Reviews Section */
.reviews {
    padding: 60px 0;
    background: var(--bg);
}

.reviews-header {
    margin-bottom: 40px;
}

.reviews-label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
    padding-left: 15px;
}

.reviews-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

.reviews-title img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.reviews-title span {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    font-weight: 600;
    text-transform: uppercase;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.review-card {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.review-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.review-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.review-location {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.review-content p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 60px 0;
    background: var(--bg-dark);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-about h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.contact-about p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 30px;
}

.contact-details h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.contact-details p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.contact-details a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--primary);
}

.contact-form-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 30px;
}

.contact-form-box h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.contact-form-box > p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.form-input {
    width: 100%;
    padding: 15px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: 'Inter Tight', sans-serif;
    font-size: 14px;
    margin-bottom: 15px;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-input::placeholder {
    color: var(--text-dark);
}

.form-input:focus {
    border-color: var(--primary);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
    cursor: pointer;
}

.form-checkbox input {
    margin-top: 3px;
    accent-color: var(--primary);
}

.form-checkbox span {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    padding: 20px 0;
    border-top: 1px solid var(--border);
}

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

.footer-info {
    display: flex;
    gap: 30px;
}

.footer-info span,
.footer-credits span {
    font-size: 12px;
    color: var(--text-dark);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
    max-width: 450px;
    width: 90%;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
}

.modal-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
}

.modal-content > p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 25px;
    line-height: 1.6;
}

/* Catalog Section */
.catalog {
    padding: 60px 0;
    background: var(--bg);
}

.catalog-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.catalog-tab {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: 'Inter Tight', sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.catalog-tab:hover {
    border-color: var(--primary);
    color: var(--text);
}

.catalog-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-dark);
    font-weight: 600;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.catalog-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.catalog-card:hover {
    background: rgba(255, 204, 0, 0.16);
    border-color: var(--primary);
    box-shadow: 0 16px 40px rgba(255, 204, 0, 0.26);
}

.catalog-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    padding: 15px;
}

.catalog-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.catalog-card--no-imgbg .catalog-img {
    background: transparent;
}

.catalog-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.catalog-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.catalog-info p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 15px;
    flex: 1;
}

.catalog-price {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-bottom: 15px;
}

.catalog-price .price-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.catalog-price .price-currency {
    font-size: 14px;
    color: var(--text-muted);
}

.catalog-info .btn {
    width: 100%;
}

/* Responsive */

/* Tablet - 1024px */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .about-wrapper,
    .partners-wrapper,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

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

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

    .hero h1 {
        font-size: 48px;
    }

    .hero-slide--product h1 {
        font-size: 40px;
    }

    .hero {
        min-height: auto;
    }

    .hero-slide__content {
        padding: 60px 20px;
    }

    .hero-slide__grid {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 60px 20px;
    }

    .hero-slide__media {
        order: -1;
    }

    .hero-slide__media img {
        max-height: 320px;
    }
}

/* Tablet Small - 768px */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        min-height: auto;
    }

    .hero-slide__content {
        padding: 50px 16px;
    }

    .hero-slide__grid {
        padding: 50px 16px;
        gap: 24px;
    }

    .hero-slide__media img {
        max-height: 260px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-slide--product h1 {
        font-size: 32px;
    }

    .hero__nav {
        width: 40px;
        height: 40px;
    }

    .hero__nav--prev { left: 8px; }
    .hero__nav--next { right: 8px; }

    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 24px;
    }

    .hero-overline {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .hero-benefits {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-top: 24px;
    }

    .hero-benefit {
        min-height: 90px;
        padding: 12px;
        font-size: 13px;
    }

    .stats-grid,
    .categories-grid,
    .services-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

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

    .catalog-tabs {
        gap: 8px;
    }

    .catalog-tab {
        padding: 8px 14px;
        font-size: 13px;
    }

    .feature-row {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 24px;
    }

    .section-subtitle {
        font-size: 13px;
    }

    .specs-figure img {
        max-width: 100%;
    }

    .specs-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .spec-highlight-card {
        padding: 16px;
    }

    .highlight-value {
        font-size: 28px;
    }

    .highlight-unit {
        font-size: 14px;
    }

    .highlight-label {
        font-size: 12px;
    }

    .spec-row {
        padding: 12px 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .spec-value {
        text-align: left;
    }

    .step-item {
        flex-direction: column;
        gap: 12px;
    }

    .step-number {
        font-size: 28px;
    }

    .step-content h3 {
        font-size: 15px;
    }

    .step-content p {
        font-size: 12px;
    }

    .steps-title span,
    .faq-title span,
    .reviews-title span {
        font-size: 20px;
    }

    .steps-title img,
    .faq-title img,
    .reviews-title img {
        width: 32px;
        height: 32px;
    }

    .about-text h2,
    .partners-text h2 {
        font-size: 24px;
    }

    .discount-percent {
        font-size: 28px;
    }

    .footer-row {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .footer-info {
        flex-direction: column;
        gap: 5px;
    }

    .review-card {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .review-avatar {
        margin: 0 auto;
        width: 70px;
        height: 70px;
    }

    .review-name {
        font-size: 15px;
    }

    .review-content p {
        font-size: 13px;
    }

    .faq-question {
        padding: 16px;
        gap: 12px;
    }

    .faq-toggle {
        width: 26px;
        height: 26px;
        font-size: 18px;
    }

    .faq-question span:last-child {
        font-size: 14px;
    }

    .faq-answer {
        padding: 0 16px 16px 54px;
        font-size: 13px;
    }

    .contact-about h2 {
        font-size: 22px;
    }

    .contact-form-box {
        padding: 24px;
    }

    .contact-form-box h3 {
        font-size: 18px;
    }

    .modal-content {
        padding: 30px 20px;
        margin: 16px;
    }

    .modal-content h3 {
        font-size: 20px;
    }
}

/* Mobile - 480px */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .header-inner {
        flex-direction: column;
        gap: 15px;
    }

    .hero {
        min-height: auto;
    }

    .hero-slide__content {
        padding: 40px 12px;
    }

    .hero-slide__grid {
        padding: 40px 12px;
        gap: 20px;
    }

    .hero-slide__media img {
        max-height: 220px;
    }

    .hero h1 {
        font-size: 28px;
        margin-bottom: 14px;
    }

    .hero-slide--product h1 {
        font-size: 26px;
    }

    .hero-subtitle {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .hero-overline {
        font-size: 11px;
        letter-spacing: 1px;
    }

    .hero-benefits {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        margin-top: 20px;
    }

    .hero-benefit {
        min-height: 80px;
        padding: 10px;
        font-size: 11px;
        line-height: 1.3;
    }

    .btn {
        padding: 12px 20px;
        font-size: 13px;
    }

    .btn-block {
        padding: 14px 16px;
    }

    /* Sections padding */
    .categories,
    .product-specs,
    .services,
    .catalog,
    .about,
    .partners,
    .steps,
    .faq,
    .reviews,
    .contact {
        padding: 40px 0;
    }

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

    .catalog-tabs {
        gap: 6px;
    }

    .catalog-tab {
        padding: 8px 12px;
        font-size: 12px;
    }

    .catalog-info h3 {
        font-size: 14px;
    }

    .catalog-info p {
        font-size: 12px;
    }

    .catalog-price .price-value {
        font-size: 18px;
    }

    .section-heading {
        margin-bottom: 20px;
    }

    .section-title {
        font-size: 20px;
    }

    .section-subtitle {
        font-size: 12px;
    }

    .category-card {
        padding: 16px;
    }

    .category-card span {
        font-size: 13px;
    }

    .specs-highlights {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 20px;
    }

    .spec-highlight-card {
        padding: 14px 10px;
    }

    .highlight-value {
        font-size: 24px;
    }

    .highlight-unit {
        font-size: 12px;
    }

    .highlight-label {
        font-size: 11px;
        margin-top: 8px;
    }

    .specs-table {
        margin-bottom: 16px;
    }

    .spec-row {
        padding: 10px 14px;
    }

    .spec-label,
    .spec-value {
        font-size: 13px;
    }

    .specs-applications {
        padding: 18px;
    }

    .specs-applications h3 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .specs-applications li {
        font-size: 13px;
        margin-bottom: 10px;
        padding-left: 16px;
    }

    .specs-applications li::before {
        width: 5px;
        height: 5px;
        top: 7px;
    }

    .specs-download .btn {
        margin-bottom: 16px;
    }

    .service-card {
        margin-bottom: 0;
    }

    .service-content {
        padding: 16px;
    }

    .service-content h3 {
        font-size: 16px;
    }

    .service-content p {
        font-size: 13px;
    }

    .service-footer {
        padding: 16px;
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }

    .service-price {
        justify-content: center;
    }

    .price-value {
        font-size: 22px;
    }

    .about-text h2 {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .about-badge {
        padding: 16px;
        gap: 12px;
    }

    .about-badge img {
        width: 32px;
        height: 32px;
    }

    .about-badge span {
        font-size: 13px;
    }

    .feature-item {
        padding: 12px 14px;
        gap: 10px;
    }

    .feature-bullet {
        width: 6px;
        height: 6px;
    }

    .feature-item span {
        font-size: 13px;
    }

    .partners-text h2 {
        font-size: 20px;
        padding-left: 12px;
    }

    .partners-text p {
        font-size: 13px;
    }

    .partners-item {
        padding: 10px 12px;
        font-size: 13px;
    }

    .discount-img {
        height: 160px;
    }

    .discount-content {
        padding: 20px;
    }

    .discount-title {
        font-size: 16px;
    }

    .discount-percent {
        font-size: 24px;
    }

    .discount-content p {
        font-size: 13px;
        margin-bottom: 16px;
    }

    .steps-header,
    .faq-header,
    .reviews-header {
        margin-bottom: 24px;
    }

    .steps-label,
    .faq-label,
    .reviews-label {
        font-size: 12px;
        padding-left: 12px;
    }

    .steps-title,
    .faq-title,
    .reviews-title {
        gap: 10px;
    }

    .steps-title span,
    .faq-title span,
    .reviews-title span {
        font-size: 18px;
    }

    .steps-title img,
    .faq-title img,
    .reviews-title img {
        width: 28px;
        height: 28px;
    }

    .step-item {
        padding: 16px;
    }

    .step-number {
        font-size: 24px;
    }

    .step-content h3 {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .step-content p {
        font-size: 12px;
    }

    .faq-item {
        margin-bottom: 8px;
    }

    .faq-question {
        padding: 14px;
        gap: 10px;
    }

    .faq-toggle {
        width: 24px;
        height: 24px;
        font-size: 16px;
    }

    .faq-question span:last-child {
        font-size: 13px;
    }

    .faq-answer {
        padding: 0 14px 14px 48px;
        font-size: 12px;
    }

    .review-card {
        padding: 18px;
        gap: 14px;
    }

    .review-avatar {
        width: 60px;
        height: 60px;
    }

    .review-name {
        font-size: 14px;
    }

    .review-location {
        font-size: 12px;
        margin-bottom: 12px;
    }

    .review-content p {
        font-size: 12px;
    }

    .contact-about h2 {
        font-size: 20px;
    }

    .contact-about p {
        font-size: 13px;
        margin-bottom: 24px;
    }

    .contact-details h3 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .contact-details p {
        font-size: 13px;
    }

    .contact-form-box {
        padding: 20px;
    }

    .contact-form-box h3 {
        font-size: 16px;
    }

    .contact-form-box > p {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .form-input {
        padding: 12px;
        font-size: 13px;
        margin-bottom: 12px;
    }

    .form-checkbox {
        margin-bottom: 16px;
    }

    .form-checkbox span {
        font-size: 11px;
    }

    .footer {
        padding: 16px 0;
    }

    .footer-info span {
        font-size: 11px;
    }

    .modal-content {
        padding: 24px 16px;
        margin: 12px;
    }

    .modal-close {
        top: 10px;
        right: 10px;
        width: 28px;
        height: 28px;
        font-size: 18px;
    }

    .modal-content h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .modal-content > p {
        font-size: 13px;
        margin-bottom: 20px;
    }
}

/* Small Mobile - 360px */
@media (max-width: 360px) {
    .hero h1 {
        font-size: 24px;
    }

    .hero-subtitle {
        font-size: 13px;
    }

    .hero-benefit {
        min-height: 70px;
        padding: 8px;
        font-size: 10px;
    }

    .section-title {
        font-size: 18px;
    }

    .specs-highlights {
        grid-template-columns: 1fr;
    }

    .highlight-value {
        font-size: 28px;
    }

    .highlight-label {
        font-size: 12px;
    }

    .steps-title span,
    .faq-title span,
    .reviews-title span {
        font-size: 16px;
    }

    .about-text h2,
    .partners-text h2 {
        font-size: 18px;
    }
}