/* ============================================================
   HA Generic Pages – Shared Styles
   Used by: high-availability/, ha-cloud-storage/
   ============================================================ */

/* ── Page Hero ── */
.page-hero {
    position: relative; min-height: 60vh; display: flex; flex-direction: column;
    justify-content: center; padding: 10rem 3rem 5rem; z-index: 1; text-align: center;
}
.page-hero-content { max-width: 900px; margin: 0 auto; }
.page-hero .section-label { margin-bottom: 1.5rem; }
.page-hero h1 {
    font-size: clamp(2.5rem, 7vw, 4rem); font-weight: 800; line-height: 1.1;
    margin-bottom: 1.5rem; letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease forwards;
}
.page-hero h1 .gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.page-hero p {
    font-size: 1.15rem; color: var(--text-secondary); max-width: 650px;
    margin: 0 auto; line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.15s forwards; opacity: 0;
}
.hero-stats {
    display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap;
    margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid var(--border-subtle);
    animation: fadeInUp 0.8s ease 0.3s forwards; opacity: 0;
}
.hero-stat { text-align: center; }
.hero-stat-value {
    font-family: 'Space Mono', monospace; font-size: 2rem; font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.12em; margin-top: 0.25rem; }

/* ── Content Sections (alternating layout) ── */
.content-section {
    position: relative; z-index: 1; padding: 6rem 3rem;
}
.content-section:nth-child(even) { background: var(--bg-secondary); }
.content-section-inner {
    max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.content-section:nth-child(even) .content-section-inner { direction: rtl; }
.content-section:nth-child(even) .content-section-inner > * { direction: ltr; }

.content-text .section-label { margin-bottom: 1rem; }
.content-text h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700;
    margin-bottom: 1.25rem; letter-spacing: -0.02em;
}
.content-text h2 .gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.content-text > p {
    color: var(--text-secondary); font-size: 1.05rem; line-height: 1.8; margin-bottom: 2rem;
}

/* ── Feature List ── */
.feature-list { display: flex; flex-direction: column; gap: 1.25rem; }
.feature-item { display: flex; gap: 1rem; align-items: flex-start; }
.feature-icon {
    flex-shrink: 0; width: 40px; height: 40px; background: var(--accent-gold-dim);
    border: 1px solid rgba(245, 166, 35, 0.2); border-radius: 10px;
    display: flex; align-items: center; justify-content: center; color: var(--accent-gold);
}
.feature-text h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.25rem; }
.feature-text p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

/* ── Visual Block (diagram cards) ── */
.visual-block {
    background: var(--bg-card); border: 1px solid var(--border-subtle);
    border-radius: 20px; padding: 2.5rem; backdrop-filter: blur(10px);
    position: relative; overflow: hidden;
}
.visual-block::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-primary);
}
.visual-label {
    font-family: 'Space Mono', monospace; font-size: 0.75rem; color: var(--accent-gold);
    text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: 1.5rem;
}
.visual-diagram { display: flex; flex-direction: column; gap: 1rem; }
.diagram-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.diagram-node {
    flex: 1; min-width: 80px; padding: 0.75rem 1rem; border-radius: 10px;
    text-align: center; font-size: 0.8rem; font-weight: 600;
}
.diagram-node.primary {
    background: var(--accent-gold-dim); border: 1px solid rgba(245, 166, 35, 0.25);
    color: var(--accent-gold);
}
.diagram-node.secondary {
    background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}
.diagram-node.tertiary {
    background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.2);
    color: #4ade80;
}
.diagram-node.accent {
    background: rgba(168, 85, 247, 0.1); border: 1px solid rgba(168, 85, 247, 0.2);
    color: #c084fc;
}
.diagram-connector {
    text-align: center; color: var(--text-muted); font-size: 0.75rem;
    font-family: 'Space Mono', monospace; padding: 0.25rem 0;
}
.visual-stats {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 1.5rem;
    padding-top: 1.5rem; border-top: 1px solid var(--border-subtle);
}
.visual-stats.layered { row-gap: 1.25rem; }
.layer-label {
    grid-column: 1 / -1; text-align: center;
    font-family: 'Space Mono', monospace; font-size: 0.7rem;
    color: var(--accent-gold); text-transform: uppercase; letter-spacing: 0.15em;
}
.layer-label.with-border {
    border-top: 1px solid var(--border-subtle); padding-top: 1rem;
}
.visual-stat { text-align: center; }
.visual-stat-value {
    font-family: 'Space Mono', monospace; font-size: 1.25rem; font-weight: 700;
    color: var(--accent-gold);
}
.visual-stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.15rem; }

/* ── CTA Section ── */
.page-cta {
    position: relative; z-index: 1; padding: 6rem 3rem; text-align: center;
}
.page-cta-box {
    max-width: 700px; margin: 0 auto; background: var(--bg-card);
    border: 1px solid var(--border-subtle); border-radius: 24px;
    padding: 3.5rem 2.5rem; backdrop-filter: blur(10px);
    position: relative; overflow: hidden;
}
.page-cta-box::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-primary);
}
.page-cta-box h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 1rem; }
.page-cta-box p { color: var(--text-secondary); font-size: 1rem; margin-bottom: 2rem; line-height: 1.7; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ── Mobile & Tablet Performance (≤1024px) ── */
@media (max-width: 1024px) {
    .page-hero h1, .page-hero p, .hero-stats { animation: none; opacity: 1; }
    .visual-block, .page-cta-box { backdrop-filter: none; }
    .content-section-inner { grid-template-columns: 1fr; gap: 3rem; }
    .content-section:nth-child(even) .content-section-inner { direction: ltr; }
}
@media (max-width: 768px) {
    .page-hero { padding: 8rem 1.5rem 4rem; min-height: auto; }
    .content-section, .page-cta { padding: 4rem 1.5rem; }
    .hero-stats { gap: 2rem; }
    .page-cta-box { padding: 2.5rem 1.5rem; }
}
@media (max-width: 480px) {
    .page-hero { padding: 7rem 1rem 3rem; }
    .content-section, .page-cta { padding: 3rem 1rem; }
}