:root {
    --bg: #000000;
    --panel: #0b0b0b;
    --text: #ffffff;
    --muted: #b8b8b8;
    --border: #2a2a2a;
    --button-bg: #ffffff;
    --button-text: #000000;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

.container {
    width: min(1040px, calc(100% - 40px));
    margin: 0 auto;
}

header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(16px);
    background: rgba(0, 0, 0, 0.82);
    border-bottom: 1px solid var(--border);
}

.nav {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-size: 1.15rem;
}

.logo {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

nav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
}

nav a:hover,
nav a[aria-current="page"] {
    color: var(--text);
}

.hero {
    min-height: 68vh;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 80px 0;
}

.eyebrow {
    display: inline-block;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 7px 12px;
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(3rem, 8vw, 6.6rem);
    line-height: 0.95;
    margin: 22px auto;
    max-width: 900px;
    letter-spacing: -0.055em;
}

.hero p {
    max-width: 680px;
    margin: 0 auto;
    color: var(--muted);
    font-size: clamp(1rem, 2vw, 1.2rem);
}

.actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.button {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid #fff;
}

.button.primary {
    background: var(--button-bg);
    color: var(--button-text);
}

.button.secondary {
    background: transparent;
    color: var(--text);
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    padding: 0 0 80px;
}

.card {
    border: 1px solid var(--border);
    background: var(--panel);
    border-radius: 18px;
    padding: 24px;
}

.card h2, .card h3 {
    margin-top: 0;
}

.card p {
    color: var(--muted);
}

.content {
    padding: 70px 0 90px;
    max-width: 820px;
}

.content h1 {
    font-size: clamp(2.5rem, 6vw, 4.7rem);
    margin: 0 0 20px;
    max-width: 100%;
}

.content h2 {
    margin-top: 42px;
    font-size: 1.4rem;
}

.content p,
.content li {
    color: var(--muted);
}

.content strong {
    color: var(--text);
}

.notice {
    border: 1px solid var(--border);
    background: var(--panel);
    border-radius: 14px;
    padding: 18px;
    margin: 24px 0;
}

footer {
    border-top: 1px solid var(--border);
    color: var(--muted);
    padding: 28px 0 40px;
    font-size: 0.9rem;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

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

@media (max-width: 760px) {
    .nav {
        align-items: flex-start;
        padding: 16px 0;
        flex-direction: column;
    }

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

    .hero {
        min-height: auto;
        padding: 72px 0 56px;
    }

    .container {
        width: min(100% - 28px, 1040px);
    }
}