:root {
    --bg: #090a10;
    --surface: rgba(19, 22, 31, 0.92);
    --surface-strong: rgba(15, 18, 30, 0.98);
    --border: rgba(161, 106, 251, 0.24);
    --text: #f4f7ff;
    --text-dim: #acb5cc;
    --accent: #a16afb;
    --accent-2: #7f75f8;
    --accent-3: #ed5ff7;
    --radius: 16px;
    --shadow: 0 14px 42px rgba(6, 7, 12, 0.62);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: radial-gradient(circle at 15% -10%, rgba(161, 106, 251, 0.22), transparent 45%),
        radial-gradient(circle at 100% 15%, rgba(237, 95, 247, 0.14), transparent 40%),
        var(--bg);
    min-height: 100vh;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.05;
    background-image: radial-gradient(rgba(255, 255, 255, 0.35) 0.45px, transparent 0.45px);
    background-size: 3px 3px;
}

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

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(10, 10, 15, 0.82);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 68px;
    gap: 0.8rem;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
}

.brand-logo picture {
    display: block;
}

.brand-logo img {
    width: min(188px, 38vw);
    height: auto;
    display: block;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    justify-content: flex-end;
}

.site-nav a {
    color: var(--text-dim);
    font-size: 0.9rem;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0.3rem 0.68rem;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.site-nav a:hover {
    color: var(--text);
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.03);
}

main {
    padding: 2rem 0 2.8rem;
}

.panel {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: linear-gradient(145deg, var(--surface), var(--surface-strong));
    box-shadow: var(--shadow);
    padding: 1.35rem;
    margin-bottom: 1rem;
    transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.panel:hover {
    transform: translateY(-2px);
    border-color: rgba(161, 106, 251, 0.5);
    box-shadow: 0 18px 36px rgba(12, 14, 28, 0.65), 0 0 0 1px rgba(161, 106, 251, 0.14) inset;
}

h1 {
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    line-height: 1.1;
    margin-bottom: 0.8rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    margin-bottom: 0.65rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.06rem;
    margin-bottom: 0.45rem;
}

p,
li {
    color: var(--text-dim);
}

ul {
    list-style-position: inside;
}

.lead {
    max-width: 76ch;
}

.meta {
    font-size: 0.9rem;
    color: var(--text-dim);
}

.grid-2 {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: 1fr 1fr;
}

.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 0.72rem 1.1rem;
    font-weight: 600;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: #fff;
    margin-top: 0.7rem;
    box-shadow: 0 10px 24px rgba(127, 117, 248, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(127, 117, 248, 0.45);
}

.faq-item {
    margin-top: 0.8rem;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text);
}

.faq-item p {
    margin-top: 0.4rem;
}

@media (max-width: 860px) {
    .site-header .container {
        align-items: flex-start;
        flex-direction: column;
        padding: 0.7rem 0;
    }

    .brand-logo img {
        width: min(170px, 52vw);
    }

    .site-nav {
        justify-content: flex-start;
    }
}

@media (max-width: 780px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}
