/* ============================================
   RULES / REGLEMENT PAGE
   ============================================ */

.rules-page {
    padding-top: calc(var(--navbar-height) + var(--space-3xl));
    padding-bottom: var(--space-4xl);
    min-height: 100vh;
}

.rules-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.rules-header h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    margin-bottom: var(--space-md);
}

.rules-header .philosophy {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--red-bright);
    letter-spacing: 0.05em;
    text-shadow: 0 0 30px var(--red-glow);
}

.rules-intro {
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* --- Accordion --- */
.rules-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.rule-item {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.rule-item:hover {
    border-color: var(--glass-border-hover);
}

.rule-item.active {
    border-color: var(--red-primary);
    box-shadow: 0 4px 24px rgba(200, 16, 46, 0.1);
}

.rule-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    cursor: pointer;
    transition: background var(--transition-fast);
    user-select: none;
}

.rule-header:hover {
    background: var(--bg-glass-hover);
}

.rule-number {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--red-bright);
    min-width: 40px;
    text-align: center;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.rule-item.active .rule-number {
    opacity: 1;
}

.rule-title {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.rule-toggle {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    transition: transform var(--transition-base);
}

.rule-item.active .rule-toggle {
    transform: rotate(180deg);
    color: var(--red-bright);
}

.rule-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.rule-item.active .rule-content {
    max-height: 500px;
}

.rule-content-inner {
    padding: 0 var(--space-xl) var(--space-xl);
    padding-left: calc(var(--space-xl) + 40px + var(--space-md));
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* Warning box for HRP */
.rule-warning {
    margin-top: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(200, 16, 46, 0.1);
    border: 1px solid rgba(200, 16, 46, 0.2);
    border-radius: var(--radius-sm);
    color: var(--red-bright);
    font-weight: 500;
    font-size: 0.9rem;
}