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

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background-color: #0a0c12;
    color: #eef2ff;
    line-height: 1.5;
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(10, 12, 18, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
    z-index: 100;
    padding: 16px 0;
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo__x {
    color: #f5b042;
}

.logo__element {
    color: #eef2ff;
}

.logo__badge {
    font-size: 0.7rem;
    background: #1e293b;
    padding: 2px 8px;
    border-radius: 20px;
    margin-left: 12px;
    vertical-align: middle;
    font-weight: normal;
}

.nav {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.nav a {
    color: #cbd5e6;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover {
    color: #f5b042;
}

.btn {
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, #f5b042, #e07c1f);
    color: #0a0c12;
    box-shadow: 0 4px 12px rgba(245, 176, 66, 0.3);
}

.btn-primary:hover {
    transform: scale(1.02);
    background: linear-gradient(135deg, #f7bc5a, #e88a2e);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid #f5b042;
    color: #f5b042;
}

.btn-outline:hover {
    background: rgba(245, 176, 66, 0.1);
    transform: scale(1.02);
}

/* Hero */
.hero {
    padding: 80px 0 60px;
    background: radial-gradient(circle at 10% 20%, #121624, #080a0f);
}

.hero__container {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1.8rem;
    font-weight: 500;
    color: #cbd5e6;
}

.hero__desc {
    font-size: 1.1rem;
    max-width: 650px;
    margin: 24px 0;
    color: #b9c3db;
}

.hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero__badges span {
    background: rgba(30, 41, 59, 0.7);
    padding: 8px 18px;
    border-radius: 40px;
    font-size: 0.85rem;
    backdrop-filter: blur(4px);
}

/* Section titles */
.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 48px;
    text-align: center;
    background: linear-gradient(135deg, #fff, #f5b042);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

/* About */
.about {
    padding: 80px 0;
    background: #0f1119;
}

.about__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.about__card {
    background: #181e2a;
    padding: 28px;
    border-radius: 32px;
    border: 1px solid #2d3748;
    transition: all 0.2s;
}

.about__card:hover {
    border-color: #f5b042;
    transform: translateY(-4px);
}

.about__card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: #f5b042;
}

.about__card ul {
    margin-top: 16px;
    padding-left: 20px;
    color: #b9c3db;
}

.about__card li {
    margin: 8px 0;
}

/* Tech */
.tech {
    padding: 80px 0;
    background: #0a0c12;
}

.tech__steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.tech__step {
    background: #131722;
    padding: 28px;
    border-radius: 28px;
    text-align: center;
    border-bottom: 3px solid #f5b042;
    cursor: help;
    transition: 0.2s;
}

.tech__step-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

.tech__step h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

/* Benefits */
.benefits {
    padding: 80px 0;
    background: #0f1119;
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
}

.benefit-card {
    background: #181e2a;
    padding: 24px;
    border-radius: 24px;
    transition: 0.2s;
    cursor: help;
}

.benefit-card:hover {
    background: #1f2636;
    transform: translateY(-4px);
}

.benefit-card h3 {
    color: #f5b042;
    margin-bottom: 12px;
}

/* Economy */
.economy {
    padding: 80px 0;
    background: linear-gradient(145deg, #0a0c12, #0f1119);
}

.economy__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    text-align: center;
}

.economy__item {
    background: #1a1f2c;
    padding: 24px 12px;
    border-radius: 24px;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Comparison */
.comparison {
    padding: 80px 0;
    background: #0a0c12;
}

.comparison__table-wrapper {
    overflow-x: auto;
}

.comparison__table {
    width: 100%;
    border-collapse: collapse;
    background: #131722;
    border-radius: 24px;
    overflow: hidden;
}

.comparison__table th,
.comparison__table td {
    padding: 16px 12px;
    text-align: center;
    border-bottom: 1px solid #2d3748;
}

.comparison__table th {
    background: #1e2a3a;
    color: #f5b042;
    font-weight: 600;
}

.comparison__table tr:last-child td {
    border-bottom: none;
}

/* Products */
.products {
    padding: 80px 0;
    background: #0f1119;
}

.products__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.product-card {
    background: #181e2a;
    padding: 24px;
    border-radius: 24px;
    transition: 0.2s;
}

.product-card h3 {
    color: #f5b042;
    margin-bottom: 12px;
}

.products__order {
    text-align: center;
}

/* Cooperation */
.cooperation {
    padding: 60px 0;
    background: #0a0c12;
}

.cooperation__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.cooperation__grid > div {
    background: #1a1f2c;
    padding: 12px 24px;
    border-radius: 60px;
    font-size: 0.9rem;
}

/* H2ELEMENT */
.h2element {
    padding: 80px 0;
    background: linear-gradient(95deg, #0c0f17, #141b26);
    text-align: center;
}

.h2element__content {
    max-width: 700px;
    margin: 0 auto;
}

.h2element h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.h2element p {
    margin-bottom: 28px;
    color: #cbd5e6;
}

/* Contacts */
.contacts {
    padding: 80px 0;
    background: #0f1119;
}

.contacts__info {
    text-align: center;
    font-size: 1.2rem;
    background: #181e2a;
    max-width: 500px;
    margin: 0 auto;
    padding: 32px;
    border-radius: 48px;
    line-height: 2;
}

.contacts__info a {
    color: #f5b042;
    text-decoration: none;
}

.contacts__info a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: #05070c;
    padding: 32px 0;
    border-top: 1px solid #1e293b;
}

.footer__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer__contacts a {
    color: #94a3b8;
    text-decoration: none;
    margin: 0 12px;
}

.footer__contacts a:hover {
    color: #f5b042;
}

/* Tooltip */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]:before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: #fff;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 10;
    display: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

[data-tooltip]:hover:before {
    display: block;
}

@media (max-width: 768px) {
    .hero__title {
        font-size: 2.2rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .header__container {
        flex-direction: column;
    }
    .nav {
        justify-content: center;
    }
    [data-tooltip]:before {
        white-space: normal;
        width: 180px;
        text-align: center;
    }
}