/* ============================================
   MERIDIAN SIGNALS — Stylesheet
   Refined luxury meets institutional credibility
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    /* Colors */
    --color-bg: #0a0b0d;
    --color-bg-elevated: #111214;
    --color-bg-card: #161719;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-subtle: rgba(255, 255, 255, 0.03);
    
    --color-text: #e8e8e8;
    --color-text-secondary: #8a8a8d;
    --color-text-tertiary: #5a5a5d;
    
    --color-accent: #c9a962;
    --color-accent-subtle: rgba(201, 169, 98, 0.15);
    
    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Sizes */
    --nav-height: 4.5rem;
    --container-max: 1200px;
    --container-narrow: 900px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

ul, ol {
    list-style: none;
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    color: var(--color-text-secondary);
}

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--color-bg-elevated);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    color: var(--color-accent);
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-height);
    background: rgba(10, 11, 13, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .nav-container {
        padding: 0 var(--space-lg);
    }
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.logo-mark {
    color: var(--color-accent);
    font-size: 1.5rem;
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-cta {
    padding: 0.6rem 1.25rem;
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    color: var(--color-accent) !important;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-accent);
    color: var(--color-bg) !important;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

.nav-toggle.active span:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle.active span:last-child {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu a {
    padding: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-menu a:last-child {
    border-bottom: none;
    color: var(--color-accent);
}

@media (min-width: 768px) {
    .mobile-menu {
        display: none;
    }
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-2xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(201, 169, 98, 0.08), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(201, 169, 98, 0.03), transparent);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 800px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-title {
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: var(--space-xl);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.8s forwards;
}

@media (min-width: 640px) {
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0;
    animation: fadeIn 1s ease 1.2s forwards;
}

@media (min-width: 768px) {
    .hero-scroll {
        left: var(--space-lg);
    }
}

.scroll-line {
    width: 40px;
    height: 1px;
    background: var(--color-text-tertiary);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-accent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { left: -100%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

/* ---------- Section Styling ---------- */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    margin-bottom: var(--space-xl);
}

.section-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-md);
}

.section-label span:first-child {
    color: var(--color-accent);
}

.section-title {
    margin-bottom: var(--space-sm);
}

.section-desc {
    font-size: 1.125rem;
    max-width: 600px;
}

/* ---------- Intro Section ---------- */
.intro {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.intro-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .intro-grid {
        grid-template-columns: 200px 1fr;
        gap: var(--space-xl);
    }
}

.intro-label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-tertiary);
}

.intro-label span:first-child {
    color: var(--color-accent);
}

.intro-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.intro-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* ---------- Methodology / Pipeline ---------- */
.methodology {
    background: var(--color-bg);
}

.pipeline {
    display: grid;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

@media (min-width: 900px) {
    .pipeline {
        grid-template-columns: 1fr auto 1fr auto 1fr;
        align-items: stretch;
        gap: var(--space-md);
    }
}

.pipeline-phase {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-lg);
    transition: border-color var(--transition-base);
}

.pipeline-phase:hover {
    border-color: var(--color-accent);
}

.phase-number {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.phase-title {
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.phase-desc {
    flex: 1;
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
}

.phase-detail {
    display: flex;
    justify-content: space-between;
    padding: var(--space-xs) 0;
    border-top: 1px solid var(--color-border-subtle);
    font-size: 0.8125rem;
}

.detail-label {
    color: var(--color-text-tertiary);
}

.detail-value {
    color: var(--color-text-secondary);
    text-align: right;
}

.pipeline-connector {
    display: none;
    align-self: start;
    align-items: center;
    justify-content: center;
    padding-top: var(--space-xl);
    color: var(--color-text-tertiary);
}

@media (min-width: 900px) {
    .pipeline-connector {
        display: flex;
    }
}

.pipeline-connector svg {
    width: 24px;
    height: 24px;
}

/* ---------- Risk Section ---------- */
.risk {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.risk-grid {
    display: grid;
    gap: var(--space-xl);
}

@media (min-width: 900px) {
    .risk-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
        align-items: start;
    }
}

.risk-content .section-label {
    margin-bottom: var(--space-md);
}

.risk-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-md);
}

.risk-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.risk-layers {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.layer {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
}

.layer:hover {
    border-left-color: var(--color-accent);
    background: rgba(201, 169, 98, 0.05);
}

.layer-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.layer-name {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* ---------- Validation Section ---------- */
.validation {
    background: var(--color-bg);
}

.validation-grid {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

@media (min-width: 640px) {
    .validation-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.validation-card {
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.validation-card h4 {
    font-family: var(--font-body);
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.validation-card p {
    font-size: 0.9375rem;
}

.metrics-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .metrics-preview {
        grid-template-columns: repeat(4, 1fr);
    }
}

.metric {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: var(--space-md);
    background: var(--color-bg-card);
    text-align: center;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
}

/* ---------- Approach Tabs Section ---------- */
.approach {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
}

.approach-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: var(--space-xl);
    background: var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

.tab-btn {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--color-text-secondary);
}

.tab-btn.active {
    background: var(--color-accent);
    color: var(--color-bg);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.approach-grid {
    display: grid;
    gap: var(--space-xl);
}

@media (min-width: 900px) {
    .approach-grid {
        grid-template-columns: 1fr 320px;
    }
}

.approach-main h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.approach-main > p {
    font-size: 1.0625rem;
    margin-bottom: var(--space-lg);
}

/* Beginner Benefits */
.benefit-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.benefit {
    display: flex;
    gap: var(--space-md);
}

.benefit-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-subtle);
    border-radius: 8px;
    color: var(--color-accent);
}

.benefit-icon svg {
    width: 20px;
    height: 20px;
}

.benefit-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.benefit-text strong {
    font-weight: 500;
    color: var(--color-text);
}

.benefit-text span {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* Advanced Specs */
.tech-specs {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.spec-group h4 {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--color-border);
}

.spec-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.spec {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: baseline;
}

.spec code {
    flex-shrink: 0;
}

.spec span {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Aside Cards */
.aside-card {
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: var(--space-md);
}

.aside-card.dark {
    background: var(--color-bg);
}

.aside-card h4 {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.aside-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.aside-card li {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    padding-left: var(--space-sm);
    position: relative;
}

.aside-card li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table tr {
    border-bottom: 1px solid var(--color-border-subtle);
}

.spec-table tr:last-child {
    border-bottom: none;
}

.spec-table td {
    padding: var(--space-xs) 0;
    font-size: 0.8125rem;
}

.spec-table td:first-child {
    color: var(--color-text-secondary);
}

.spec-table td:last-child {
    text-align: right;
    font-family: var(--font-mono);
    color: var(--color-text-tertiary);
}

/* ---------- FAQ Section ---------- */
.faq {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.faq-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.faq-item {
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border-subtle);
}

.faq-item h4 {
    font-family: var(--font-body);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.faq-item p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ---------- Contact Section ---------- */
.contact {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.contact-content {
    max-width: 500px;
    margin: 0 auto;
}

.contact h2 {
    margin-bottom: var(--space-sm);
}

.contact p {
    font-size: 1.0625rem;
    margin-bottom: var(--space-lg);
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 500;
    border-radius: 6px;
    transition: all var(--transition-base);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 169, 98, 0.2);
}

.contact-btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.contact-btn:hover svg {
    transform: translateX(4px);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.125rem;
}

.footer-disclaimer {
    max-width: 600px;
}

.footer-disclaimer p {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    line-height: 1.6;
}

.footer-bottom {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Utility Classes ---------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Results Section ---------- */
:root {
    --color-passive: #7a9cc6;
}

.results {
    background: var(--color-bg);
}

.results-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

@media (min-width: 900px) {
    .results-grid {
        grid-template-columns: 5fr 7fr;
        align-items: start;
    }
}

.results-grid.annual {
    margin-top: var(--space-lg);
    margin-bottom: 0;
}

@media (min-width: 900px) {
    .results-grid.annual {
        grid-template-columns: 7fr 5fr;
    }
}

.results-grid > * {
    min-width: 0;
}

.results-card {
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow-x: auto;
}

.results-card h4 {
    font-family: var(--font-body);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.results-card p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

.results-card p + p {
    margin-top: var(--space-sm);
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.results-table th {
    padding: 0 0 var(--space-xs);
    text-align: left;
    font-weight: 500;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.results-table td {
    padding: 0.55rem 0;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border-subtle);
    vertical-align: baseline;
}

.results-table tr:last-child td {
    border-bottom: none;
}

.results-table td:first-child {
    color: var(--color-text);
}

.results-table th:not(:first-child),
.results-table td:not(:first-child) {
    text-align: right;
    font-variant-numeric: tabular-nums;
    padding-left: var(--space-sm);
}

.results-table td.lead {
    color: var(--color-text);
}

@media (min-width: 900px) {
    .results-table td.lead {
        white-space: nowrap;
    }
}

.results-table td.muted {
    color: var(--color-text-tertiary);
    font-size: 0.8125rem;
}

.results-note {
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--color-text-tertiary);
}

.metrics-caption {
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--color-text-tertiary);
    max-width: 720px;
}

/* Equity chart */
.chart-card {
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.chart-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-xs) var(--space-md);
    margin-bottom: var(--space-sm);
}

.chart-title {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text);
}

.chart-legend {
    display: flex;
    gap: var(--space-md);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.legend-key {
    display: inline-block;
    width: 18px;
    height: 2px;
    margin-right: 0.4rem;
    vertical-align: middle;
    border-radius: 1px;
}

.legend-key.strategy {
    background: var(--color-accent);
}

.legend-key.passive {
    background: var(--color-passive);
}

.chart-plot {
    position: relative;
    width: 100%;
    outline: none;
    border-radius: 4px;
}

.chart-plot:focus-visible {
    box-shadow: 0 0 0 2px var(--color-accent-subtle);
}

.chart-plot svg {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

.chart-plot .grid line {
    stroke: var(--color-border);
    stroke-width: 1;
}

.chart-plot .axis text {
    fill: var(--color-text-tertiary);
    font-family: var(--font-body);
    font-size: 11px;
}

.chart-plot .line-strategy {
    fill: none;
    stroke: var(--color-accent);
    stroke-width: 2;
    stroke-linejoin: round;
    stroke-linecap: round;
    opacity: 0.7;
}

.chart-plot .line-passive {
    fill: none;
    stroke: var(--color-passive);
    stroke-width: 2;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.chart-plot .end-dot {
    stroke: var(--color-bg-card);
    stroke-width: 2;
}

.chart-plot .end-label {
    fill: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 12px;
}

.chart-plot .crosshair {
    stroke: var(--color-text-tertiary);
    stroke-width: 1;
}

.chart-plot .hover-dot {
    stroke: var(--color-bg-card);
    stroke-width: 2;
}

.chart-tooltip {
    position: absolute;
    z-index: 2;
    padding: 0.5rem 0.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    pointer-events: none;
}

.chart-tooltip[hidden] {
    display: none;
}

.chart-tooltip .tt-date {
    margin-bottom: 0.3rem;
    color: var(--color-text-tertiary);
}

.chart-tooltip .tt-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-tooltip .tt-key {
    width: 12px;
    height: 2px;
    border-radius: 1px;
    flex-shrink: 0;
}

.chart-tooltip .tt-value {
    color: var(--color-text);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.chart-note {
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--color-text-tertiary);
}