/* ============================================================
   크라우니시큐리티 — 서브페이지 공통 스타일
   ============================================================ */

/* --- Page Hero (서브페이지 상단) --- */
.page-hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: ''; position: absolute; top: -30%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
}

.page-hero .breadcrumb {
    font-size: 0.85rem; color: var(--text-dim); margin-bottom: 16px;
}

.page-hero .breadcrumb a { color: var(--accent-cyan); }

.page-hero h1 {
    font-size: 2.8rem; font-weight: 800; letter-spacing: -1px;
    margin-bottom: 16px;
}

.page-hero .subtitle {
    font-size: 1.15rem; color: var(--text-gray); max-width: 700px;
    line-height: 1.8;
}

.page-hero .badges { display: flex; gap: 8px; margin-top: 20px; flex-wrap: wrap; }
.page-hero .badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 6px; font-size: 0.8rem; font-weight: 600;
}
.badge-cyan { background: rgba(0,212,255,0.1); color: var(--accent-cyan); border: 1px solid rgba(0,212,255,0.2); }
.badge-purple { background: rgba(124,58,237,0.1); color: var(--accent-purple); border: 1px solid rgba(124,58,237,0.2); }
.badge-green { background: rgba(16,185,129,0.1); color: var(--accent-green); border: 1px solid rgba(16,185,129,0.2); }
.badge-orange { background: rgba(245,158,11,0.1); color: #f59e0b; border: 1px solid rgba(245,158,11,0.2); }
.badge-red { background: rgba(239,68,68,0.1); color: #ef4444; border: 1px solid rgba(239,68,68,0.2); }

/* --- Feature List --- */
.features-section { padding: 80px 0; }

.feature-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}

.feature-item {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: rgba(0,212,255,0.2);
    transform: translateY(-2px);
}

.feature-item h3 {
    font-size: 1.1rem; font-weight: 700; margin-bottom: 8px;
    display: flex; align-items: center; gap: 8px;
}

.feature-item h3 .fi { color: var(--accent-cyan); font-size: 1.2rem; }
.feature-item p { color: var(--text-gray); font-size: 0.9rem; line-height: 1.7; }

/* --- Code Block --- */
.code-section { padding: 60px 0; }

.code-block {
    background: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.code-header {
    padding: 12px 20px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
}

.code-header .lang { font-size: 0.8rem; color: var(--accent-cyan); font-weight: 600; }
.code-header .file { font-size: 0.8rem; color: var(--text-dim); }

.code-block pre {
    padding: 24px; overflow-x: auto;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem; line-height: 1.7;
    color: var(--text-gray);
}

.code-block .kw { color: var(--accent-purple); }
.code-block .fn { color: var(--accent-cyan); }
.code-block .str { color: var(--accent-green); }
.code-block .cm { color: var(--text-dim); }
.code-block .num { color: #f59e0b; }

/* --- Spec Table --- */
.spec-table {
    width: 100%;
    border-collapse: separate; border-spacing: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius); overflow: hidden;
}

.spec-table thead { background: var(--navy-light); }
.spec-table th { padding: 14px 20px; text-align: left; font-size: 0.9rem; font-weight: 700; }
.spec-table td { padding: 12px 20px; font-size: 0.88rem; color: var(--text-gray); border-top: 1px solid var(--border-color); }
.spec-table tr:hover td { background: rgba(255,255,255,0.02); }
.spec-table .val { color: var(--accent-cyan); font-weight: 600; font-family: monospace; }

/* --- Download Section --- */
.download-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}

.download-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.download-card:hover {
    border-color: rgba(0,212,255,0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.download-card .os-icon {
    font-size: 3rem; margin-bottom: 16px;
}

.download-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.download-card .arch { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 20px; }

.download-card .dl-btn {
    display: inline-block;
    padding: 12px 28px; border-radius: 8px;
    background: var(--gradient-main); color: #fff;
    font-weight: 700; font-size: 0.9rem;
    transition: var(--transition); cursor: pointer; border: none;
}

.download-card .dl-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-glow); }
.download-card .dl-size { color: var(--text-dim); font-size: 0.8rem; margin-top: 8px; }

/* --- Notice Box --- */
.notice {
    background: rgba(245,158,11,0.08);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: var(--radius);
    padding: 24px 32px;
    margin: 32px 0;
}

.notice.notice-info {
    background: rgba(0,212,255,0.05);
    border-color: rgba(0,212,255,0.15);
}

.notice.notice-warning {
    background: rgba(245,158,11,0.08);
    border-color: rgba(245,158,11,0.2);
}

.notice h4 { font-size: 1rem; margin-bottom: 8px; }
.notice p { color: var(--text-gray); font-size: 0.9rem; line-height: 1.7; }

/* --- Performance Bar --- */
.perf-bar {
    display: flex; align-items: center; gap: 16px; margin-bottom: 16px;
}

.perf-bar .label { min-width: 160px; font-size: 0.9rem; font-weight: 600; }
.perf-bar .bar-bg {
    flex: 1; height: 28px; background: rgba(255,255,255,0.05);
    border-radius: 6px; overflow: hidden; position: relative;
}
.perf-bar .bar-fill {
    height: 100%; border-radius: 6px;
    display: flex; align-items: center; justify-content: flex-end;
    padding-right: 12px; font-size: 0.75rem; font-weight: 700;
}
.bar-crowny { background: var(--gradient-main); }
.bar-aes { background: rgba(100,116,139,0.4); color: var(--text-dim); }

/* --- Sidebar Nav (서브페이지 내부 네비) --- */
.page-layout { display: flex; gap: 48px; padding: 60px 0; }
.page-sidebar { min-width: 220px; position: sticky; top: 100px; align-self: flex-start; }
.page-sidebar ul { list-style: none; }
.page-sidebar ul li { margin-bottom: 8px; }
.page-sidebar ul li a {
    display: block; padding: 8px 16px; border-radius: 6px;
    color: var(--text-dim); font-size: 0.9rem; transition: var(--transition);
    border-left: 2px solid transparent;
}
.page-sidebar ul li a:hover,
.page-sidebar ul li a.active {
    color: var(--accent-cyan);
    border-left-color: var(--accent-cyan);
    background: rgba(0,212,255,0.05);
}
.page-content { flex: 1; min-width: 0; }
.page-content h2 { font-size: 1.8rem; font-weight: 800; margin: 48px 0 24px; }
.page-content h2:first-child { margin-top: 0; }
.page-content h3 { font-size: 1.2rem; font-weight: 700; margin: 32px 0 12px; }
.page-content p { color: var(--text-gray); line-height: 1.8; margin-bottom: 16px; }

@media (max-width: 768px) {
    .page-hero h1 { font-size: 2rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr; }
    .page-layout { flex-direction: column; }
    .page-sidebar { position: static; min-width: 100%; }
}