:root {
    --bg: #07080d;
    --panel: #10131e;
    --panel-soft: #181c2c;
    --text: #f8fafc;
    --muted: #94a3b8;
    --accent: #f472b6;
}

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

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
    background: radial-gradient(circle at top, #101221, var(--bg));
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.header {
    background: rgba(7, 8, 13, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.logo span {
    color: var(--accent);
}

.menu {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.95rem;
}

.menu a {
    padding: 8px 0;
    position: relative;
    transition: color 0.2s ease;
}

.menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transform: scaleX(0.8);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.menu a:focus-visible,
.menu a:hover {
    color: var(--accent);
}

.menu a:focus-visible::after,
.menu a:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-outline {
    border: 1px solid var(--accent);
    color: var(--accent);
    background: transparent;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.btn-outline:focus-visible,
.btn-outline:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(244, 114, 182, 0.25);
}

.burger {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: transparent;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.burger span {
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.burger:focus-visible,
.burger:hover {
    border-color: var(--accent);
    background: rgba(244, 114, 182, 0.1);
}

.burger.is-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.burger.is-active span:nth-child(2) {
    opacity: 0;
}

.burger.is-active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: var(--panel);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.mobile-menu a {
    padding: 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    text-align: center;
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease;
}

.mobile-menu a:focus-visible,
.mobile-menu a:hover {
    background: rgba(244, 114, 182, 0.15);
    color: var(--accent);
}

.mobile-menu .btn {
    width: 100%;
}

[hidden] {
    display: none !important;
}

.site-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px 16px;
    text-align: center;
    gap: 24px;
}

.hero {
    max-width: 600px;
    background: var(--panel-soft);
    padding: 32px;
    border-radius: 24px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 12px;
}

.hero p {
    color: var(--muted);
    line-height: 1.6;
}

.site-footer {
    margin-top: auto;
    background: var(--panel);
    padding: 24px;
    color: var(--muted);
    text-align: center;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
}

@media (max-width: 900px) {
    .menu {
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 16px 0;
    }

    .menu,
    .nav > .btn {
        display: none;
    }

    .burger {
        display: inline-flex;
    }

    .mobile-menu {
        position: relative;
        z-index: 5;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.2rem;
    }
}