:root {
    --red: #d60e28;
    --red-hover: #ef4a5f;
    --red-deep: #7a0616;
    --gold: #c5a059;
    --gold-light: #e0c48a;
    --bg: #010104;
    --bg-card: #141418;
    --nav: rgba(10, 10, 12, 0.94);
    --text: #e8eaed;
    --muted: #b7b7c2;
    --line: rgba(197, 160, 89, 0.2);
    --max: 1080px;
    --header-h: 72px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text);
    background:
        radial-gradient(ellipse 90% 55% at 8% -8%, rgba(214, 14, 40, 0.28), transparent 58%),
        radial-gradient(ellipse 70% 45% at 96% 12%, rgba(197, 160, 89, 0.16), transparent 52%),
        linear-gradient(180deg, #050508 0%, #010104 42%, #0a0608 100%);
}

body.menu-open {
    overflow: hidden;
}

a {
    color: var(--gold-light);
}

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

header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--nav);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    min-height: var(--header-h);
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    text-decoration: none;
}

.logo img {
    height: 42px;
    width: auto;
    display: block;
}

.burger-menu {
    flex: 1;
}

.burger-icon,
.close-menu {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 8px;
}

.burger-icon span,
.close-menu span {
    display: block;
    height: 2px;
    background: #fff;
    border-radius: 2px;
}

.burger-icon span {
    width: 22px;
    margin: 5px 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.98rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--gold-light);
}

.auth-buttons {
    display: flex;
    gap: 10px;
    margin-left: auto;
}

.login,
.register,
.cta-button {
    display: inline-block;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 800;
    text-align: center;
}

.login {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.7);
    padding: 8px 16px;
    background: transparent;
}

.register,
.cta-button {
    color: #fff;
    background: linear-gradient(135deg, var(--red-hover), var(--red) 55%, var(--red-deep));
    box-shadow: 0 0 18px rgba(214, 14, 40, 0.4);
    border: 0;
}

.register {
    padding: 9px 16px;
}

.login:hover,
.register:hover,
.cta-button:hover {
    filter: brightness(1.08);
}

.hero {
    position: relative;
    isolation: isolate;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 72px 20px 88px;
    background-color: #07070c;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--line);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(180deg, rgba(1, 1, 4, 0.35), rgba(1, 1, 4, 0.55));
}

.hero-home {
    background-image: url("baner-home.jpg");
}

.hero-promo {
    background-image: url("baner-promo.jpg");
    background-position: center 40%;
}

.hero-app {
    background-image: url("baner-app.jpg");
    background-position: right center;
}

.hero h1,
.hero .cta-button {
    position: relative;
    z-index: 1;
}

.hero h1 {
    margin: 0 0 22px;
    max-width: 920px;
    font-size: clamp(1.8rem, 4vw, 2.7rem);
    line-height: 1.25;
    color: #fff;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.85);
}

.cta-button {
    padding: 14px 28px;
    font-size: 1.05rem;
}

main {
    max-width: var(--max);
    margin: -36px auto 40px;
    padding: 0 16px 20px;
}

.content {
    background: linear-gradient(160deg, rgba(27, 27, 30, 0.98), rgba(14, 14, 16, 0.98));
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 32px 28px 40px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.updated {
    color: var(--gold);
    font-size: 0.92rem;
    margin-top: 0;
}

.content h2 {
    margin: 2rem 0 0.8rem;
    padding-left: 12px;
    border-left: 3px solid var(--red);
    font-size: 1.45rem;
    line-height: 1.35;
}

.content h3 {
    margin: 1.4rem 0 0.5rem;
    color: var(--gold-light);
    font-size: 1.12rem;
}

.content p,
.content li {
    color: #d5d7de;
}

.content ul,
.content ol {
    padding-left: 1.2rem;
}

.content li + li {
    margin-top: 0.35rem;
}

.toc-title {
    margin: 1.6rem 0 0.6rem;
    font-size: 1.35rem;
    font-weight: 800;
}

.toc {
    background: rgba(197, 160, 89, 0.06);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 18px 16px 32px;
}

.toc li {
    margin: 0.2rem 0;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    margin: 1rem 0 1.4rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 560px;
    background: #101014;
}

th,
td {
    border: 1px solid rgba(197, 160, 89, 0.16);
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
}

th {
    background: #2a0a12;
    color: var(--gold-light);
    font-weight: 700;
}

.note {
    margin: 1rem 0;
    padding: 12px 14px;
    border-left: 3px solid var(--gold);
    background: rgba(197, 160, 89, 0.08);
    border-radius: 0 10px 10px 0;
}

.cta-section {
    margin: 28px 0 8px;
    text-align: center;
}

.faq-item {
    margin: 0 0 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-item h3,
.faq-q {
    margin: 0 0 0.35rem;
    color: var(--gold-light);
    font-size: 1.05rem;
    font-weight: 700;
}

.responsible {
    margin-top: 1.5rem;
    padding: 16px;
    border: 1px solid rgba(214, 14, 40, 0.35);
    border-radius: 12px;
    background: rgba(214, 14, 40, 0.06);
    color: var(--muted);
    font-size: 0.95rem;
}

footer {
    text-align: center;
    color: var(--muted);
    padding: 10px 16px 28px;
    font-size: 0.92rem;
}

@media (max-width: 860px) {
    .burger-icon {
        display: block;
    }

    .nav-links {
        position: fixed;
        inset: 0;
        z-index: 50;
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
        padding: 28px 24px;
        background: #0a0a0c;
        transform: translateX(100%);
        transition: transform 0.25s ease;
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .close-menu {
        display: block;
        position: relative;
        width: 32px;
        height: 32px;
        margin-bottom: 12px;
    }

    .close-menu span {
        position: absolute;
        left: 4px;
        top: 15px;
        width: 24px;
    }

    .close-menu span:first-child {
        transform: rotate(45deg);
    }

    .close-menu span:last-child {
        transform: rotate(-45deg);
    }

    .nav-links a {
        font-size: 1.15rem;
    }

    .auth-buttons {
        gap: 8px;
    }

    .login,
    .register {
        padding: 8px 10px;
        font-size: 0.85rem;
    }

    .content {
        padding: 22px 16px 28px;
    }
}