:root {
    --bg: #1b1d24;
    --bg-card: #262a34;
    --bg-card-2: #2e3340;
    --text: #e8eaf0;
    --muted: #a9afbf;
    --yellow: #ffd23f;
    --green: #5fbf3b;
    --green-dark: #3e8e22;
    --red: #ff5555;
    --border: #000;
    --radius: 6px;
    --shadow: 0 4px 0 rgba(0, 0, 0, .55);
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    color: var(--text);
    background-color: var(--bg);
    background-image:
            linear-gradient(rgba(27, 29, 36, .92), rgba(27, 29, 36, .96)),
            url("../images/minecraft-bedrock-server.webp");
    background-size: cover;
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

.h666 {
    position: relative;
    padding: 56px 16px 48px;
    text-align: center;
    background:
            linear-gradient(180deg, rgba(20, 22, 28, .55), rgba(20, 22, 28, .9)),
            url("../images/minecraft-bedrock-server.webp") center / cover no-repeat;
    border-bottom: 6px solid var(--green);
    box-shadow: 0 6px 0 var(--green-dark);
}

.h666 h1 {
    max-width: 980px;
    margin: 0 auto;
    font-size: clamp(1.7rem, 4.6vw, 3rem);
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: #fff;
    text-shadow: 3px 3px 0 #000;
}

.yellow { color: var(--yellow); }

/* ---------- Контент ---------- */
main {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 16px 56px;
}

main h2 {
    margin: 0 0 16px;
    font-size: clamp(1.25rem, 3vw, 1.7rem);
    line-height: 1.3;
    color: var(--yellow);
    text-shadow: 2px 2px 0 #000;
}

.hero-img {
    margin: 0 0 28px;
    border: 4px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--bg-card);
}

.hero-img img {
    display: block;
    width: 100%;
    height: auto;
    image-rendering: pixelated;
}

.hero-img figcaption {
    padding: 8px 14px;
    font-size: .85rem;
    color: var(--muted);
    background: var(--bg-card);
}

.instruction > h2 {
    padding: 18px 20px;
    background: var(--bg-card);
    border-left: 6px solid var(--green);
    border-radius: var(--radius);
    font-size: clamp(1.05rem, 2.4vw, 1.3rem);
    color: var(--text);
    text-shadow: none;
}

.steps {
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
    counter-reset: step;
}

.step {
    position: relative;
    margin: 0 0 18px;
    padding: 18px 20px 16px 76px;
    background: var(--bg-card);
    border: 3px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    counter-increment: step;
    transition: transform .15s ease, background .15s ease;
}

.step:hover {
    transform: translateY(-2px);
    background: var(--bg-card-2);
}

.step::before {
    content: counter(step);
    position: absolute;
    left: 16px;
    top: 16px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 1.4rem;
    color: #fff;
    background: var(--green);
    border: 3px solid var(--border);
    box-shadow: inset -4px -4px 0 var(--green-dark), inset 4px 4px 0 rgba(255, 255, 255, .25);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, .5);
}

.step h3 {
    margin: 0 0 6px;
    font-size: 1.08rem;
    line-height: 1.4;
    color: #fff;
}

.step p {
    margin: 0;
    color: var(--muted);
}

.add-server-btn {
    margin: 36px 0;
    text-align: center;
}

.btn-primary {
    appearance: none;
    cursor: pointer;
    padding: 18px 36px;
    font: 800 1.15rem/1.2 inherit;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: #fff;
    background: var(--green);
    border: 4px solid var(--border);
    box-shadow: inset -5px -5px 0 var(--green-dark), inset 5px 5px 0 rgba(255, 255, 255, .3), var(--shadow);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, .5);
    transition: transform .1s ease, filter .15s ease;
}

.rounded-btn { border-radius: 10px; }

.btn-primary:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(2px); box-shadow: inset -3px -3px 0 var(--green-dark), inset 3px 3px 0 rgba(255, 255, 255, .3); }
.btn-primary:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }

.luminous-btn { animation: glow 2.4s ease-in-out infinite; }

@keyframes glow {
    0%, 100% { box-shadow: inset -5px -5px 0 var(--green-dark), inset 5px 5px 0 rgba(255, 255, 255, .3), 0 4px 0 rgba(0, 0, 0, .55), 0 0 0 rgba(95, 191, 59, 0); }
    50%      { box-shadow: inset -5px -5px 0 var(--green-dark), inset 5px 5px 0 rgba(255, 255, 255, .3), 0 4px 0 rgba(0, 0, 0, .55), 0 0 28px rgba(95, 191, 59, .7); }
}

.about {
    padding: 22px 22px 8px;
    background: var(--bg-card);
    border: 3px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.about p { margin: 0 0 16px; color: var(--text); }

.server-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin: 28px 0;
}

.server-box div {
    padding: 14px 16px;
    background: var(--bg-card-2);
    border: 3px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
}

.server-box dt { font-size: .8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.server-box dd { margin: 4px 0 0; font-size: 1.3rem; font-weight: 800; color: var(--yellow); }

.faq { margin-top: 40px; }

.faq details {
    margin-bottom: 12px;
    background: var(--bg-card);
    border: 3px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq summary {
    position: relative;
    padding: 16px 52px 16px 20px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--green);
}

.faq details[open] summary { background: var(--bg-card-2); }
.faq details[open] summary::after { content: "–"; }
.faq summary:focus-visible { outline: 3px solid var(--yellow); outline-offset: -3px; }

.faq details p {
    margin: 0;
    padding: 16px 20px 18px;
    color: var(--muted);
    border-top: 2px solid rgba(0, 0, 0, .5);
}

a { color: var(--yellow); text-underline-offset: 3px; }
a:hover { color: #fff; }

.read-more { margin-top: 32px; text-align: center; }

@media (max-width: 600px) {
    body { font-size: 16px; }
    .h666 { padding: 36px 12px 32px; }
    .step { padding: 16px 14px 14px 14px; }
    .step::before { position: static; margin-bottom: 10px; }
    .btn-primary { width: 100%; padding: 16px 20px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .luminous-btn { animation: none; }
    .step, .btn-primary { transition: none; }
}