:root {
    --bg: #0b0f17;
    --panel: #121826;
    --panel-2: #161e2e;
    --text: #e8edf5;
    --muted: #9aa7ba;
    --accent: #4f8cff;
    --border: #232c3d;
}

* { box-sizing: border-box; }

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1100px, calc(100% - 40px)); margin: 0 auto; }

.header {
    position: sticky; top: 0; z-index: 10;
    background: rgba(11, 15, 23, .92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

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

.logo { font-weight: 800; font-size: 20px; color: var(--text); }
.nav { display: flex; flex-wrap: wrap; gap: 18px; }
.nav a { color: var(--muted); font-size: 15px; }
.nav a:hover { color: var(--text); text-decoration: none; }

.hero {
    padding: 80px 0 60px;
    background: linear-gradient(180deg, #101725 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border);
}

.hero-grid {
    display: grid; grid-template-columns: 1.4fr .8fr;
    gap: 48px; align-items: center;
}

.badge {
    display: inline-block; margin: 0 0 18px; padding: 7px 14px;
    border: 1px solid var(--border); border-radius: 999px;
    color: var(--muted); font-size: 14px;
}

h1 { margin: 0 0 16px; font-size: clamp(36px, 6vw, 58px); line-height: 1.1; }
h2 { margin: 0 0 18px; font-size: 32px; }
h3 { margin: 0 0 10px; font-size: 20px; }

.lead { max-width: 640px; font-size: 19px; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.btn {
    display: inline-block; padding: 13px 24px; border-radius: 10px;
    background: var(--accent); color: #fff; font-weight: 600;
}
.btn:hover { background: #3f7ae6; text-decoration: none; }

.btn-outline {
    background: transparent; border: 1px solid var(--border); color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.avatar-card { display: flex; justify-content: center; }

.avatar-card img {
    width: min(320px, 100%); aspect-ratio: 1; object-fit: cover;
    border-radius: 28px; border: 1px solid var(--border);
    box-shadow: 0 24px 70px rgba(0, 0, 0, .45);
}

.section { padding: 70px 0; }
.section.alt { background: var(--panel); border-block: 1px solid var(--border); }

.cards {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 18px; margin-top: 30px;
}

.card {
    padding: 24px; background: var(--panel-2);
    border: 1px solid var(--border); border-radius: 16px;
}

.card p { color: var(--muted); margin: 0; }
.price { margin-top: 16px !important; color: var(--accent) !important; font-weight: 700; }

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
    margin-top: 30px;
}

.stack-group {
    padding: 24px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 16px;
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; }

.tags span {
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
}

.contacts { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }

.document { max-width: 860px; }
.document h1 { font-size: clamp(30px, 5vw, 44px); }
.document h2 { margin-top: 38px; font-size: 26px; }
.document h3 { margin-top: 24px; }
.document p, .document li { color: #c8d1de; }
.document ul, .document ol { padding-left: 22px; }
.muted { color: var(--muted); }

.notice {
    margin-top: 34px;
    padding: 18px 20px;
    border: 1px solid #7a4b00;
    background: #241a05;
    border-radius: 14px;
    color: #ffd79a;
}

.footer { padding: 28px 0; border-top: 1px solid var(--border); background: var(--panel); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer p { margin: 0; color: var(--muted); }

.music-player { position: fixed; right: 20px; bottom: 20px; z-index: 50; }

.music-btn {
    padding: 12px 18px; border: 1px solid var(--border); border-radius: 999px;
    background: rgba(18, 24, 38, .92); color: var(--text);
    font-size: 14px; cursor: pointer; backdrop-filter: blur(8px);
}

.music-btn:hover, .music-btn.active { border-color: var(--accent); color: var(--accent); }

@media (max-width: 820px) {
    .hero { padding: 50px 0; }
    .hero-grid { grid-template-columns: 1fr; gap: 32px; }
    .avatar-card { order: -1; }
    .avatar-card img { width: 200px; }
    .header-inner { flex-direction: column; align-items: flex-start; }
    .section { padding: 50px 0; }
}

.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.project-card {
    padding: 26px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 18px;
}

.project-card h3 {
    margin: 0 0 18px;
    font-size: 22px;
}

.project-block {
    margin-bottom: 16px;
}

.project-block:last-child {
    margin-bottom: 0;
}

.project-block strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
}

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

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tags span {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
}

.card .tags {
    margin: 12px 0 16px;
}