/* ==========================================================================
   TAXEM CSS Stylesheet
   Theme Palette: Calm Trust (Deep Navy, Warm Ivory, Rich Gold, Forest Green)
   Aesthetics: Neo-Retro, Serif/Monospace data, Glassmorphism, Micro-animations
   ========================================================================== */

/* Variables */
:root {
    --color-bg-navy: #060B18;
    --color-bg-card: #0A1224;
    --color-border: #14243F;
    --color-text-light: #E6EDF8;
    --color-text-muted: #8E9FBC;
    --color-gold: #D4AF37;
    --color-gold-hover: #F2C94C;
    --color-gold-bg: rgba(212, 175, 55, 0.1);
    
    /* Spec 1: Civic Ledger */
    --color-paper-bg: #FCFAF5;
    --color-paper-text: #1C2D42;
    --color-paper-border: #D1C9B7;
    --color-paper-blue-line: #B5C4D4;
    --color-paper-red-line: #F4C4C4;
    
    /* Spec 2: The Architecture */
    --color-arch-bg: #0F1E36;
    --color-arch-text: #E6EDF8;
    --color-arch-border: #24416B;
    
    /* Status Colors */
    --color-success: #2E6F40;
    --color-success-light: #E7F3E8;
    --color-success-border: #A3D2A6;
    --color-red: #D9383A;
    --color-red-light: #FDF2F2;

    /* Wood Frame colors */
    --color-wood: #2D1A10;

    /* Font Families */
    --font-ui: 'Outfit', sans-serif;
    --font-serif: 'Lora', serif;
    --font-mono: 'Courier Prime', monospace;
}

/* Reset & Core Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-navy);
    color: var(--color-text-light);
    font-family: var(--font-ui);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #FFFDF9 30%, #A2B6D4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: #FFFDF9;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #FFFDF9;
}

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

.gold-text {
    color: var(--color-gold);
}

.success-text {
    color: #38b000 !important;
}

/* Buttons & Badges */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    border: none;
}

.btn-primary {
    background-color: var(--color-gold);
    color: #060B18;
}

.btn-primary:hover {
    background-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.btn-gold {
    background-color: var(--color-gold);
    color: #060B18;
}

.btn-gold:hover {
    background-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-light);
    border: 1px stroke var(--color-border);
    box-shadow: inset 0 0 0 1px var(--color-border);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 0 1px var(--color-text-muted);
    transform: translateY(-2px);
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    background-color: var(--color-gold-bg);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 4px;
    margin-bottom: 20px;
}

.badge-gold {
    color: var(--color-gold);
    background-color: var(--color-gold-bg);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

/* Header & Decorative Accents */
.top-accent-line {
    height: 4px;
    background: linear-gradient(90deg, #A8862A 0%, var(--color-gold) 50%, #A8862A 100%);
    width: 100%;
}

.main-header {
    background-color: rgba(6, 11, 24, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 72px;
    display: flex;
    align-items: center;
}

.header-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.pillar-logo {
    filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.2));
    transition: transform 0.3s ease;
}

.logo-container:hover .pillar-logo {
    transform: scale(1.08) rotate(-2deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 0.05em;
    color: #FFFDF9;
    line-height: 1.1;
}

.logo-subtitle {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero-section {
    padding: 80px 0 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-lead {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 36px;
    color: var(--color-text-muted);
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-graphic {
    display: flex;
    justify-content: center;
}

/* Mock Device Code Block */
.mock-device-wrapper {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.mock-header {
    background-color: #0E1629;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}

.mock-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

.mock-header .dot.red { background-color: #D9383A; }
.mock-header .dot.yellow { background-color: #E2B23C; }
.mock-header .dot.green { background-color: #2E6F40; }

.mock-title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-muted);
    margin-left: 12px;
}

.mock-body {
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: #D4E2F7;
    background-color: #060B18;
}

.mock-body code {
    white-space: pre-wrap;
}

.mock-body .comment { color: #5C769D; }
.mock-body .key { color: var(--color-gold); }
.mock-body .string { color: #82CFFD; }
.mock-body .success { color: #6BEB93; font-weight: bold; }

/* Comparison / Philosophy Section */
.comparison-section {
    padding: 100px 0;
    background-color: rgba(6, 11, 24, 0.5);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    margin-bottom: 16px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.comparison-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 40px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.comparison-card:hover {
    transform: translateY(-4px);
}

.comparison-card.bad {
    border-left: 4px solid var(--color-red);
}

.comparison-card.good {
    border-left: 4px solid var(--color-gold);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.03);
}

.comparison-card h3 {
    margin-bottom: 24px;
    font-size: 20px;
}

.comparison-card.bad h3 {
    color: #FF6B6B;
}

.comparison-card.good h3 {
    color: var(--color-gold);
}

.comparison-list {
    list-style: none;
}

.comparison-list li {
    display: flex;
    margin-bottom: 20px;
    font-size: 15px;
    align-items: flex-start;
}

.comparison-list li:last-child {
    margin-bottom: 0;
}

.comparison-list .icon {
    font-weight: bold;
    margin-right: 12px;
    font-size: 18px;
    margin-top: -1px;
}

.comparison-card.bad .icon {
    color: var(--color-red);
}

.comparison-card.good .icon {
    color: #4CAF50;
}

.comparison-list li strong {
    color: #FFFDF9;
    display: block;
    margin-bottom: 4px;
}

/* Interactive Demo Section */
.demo-section {
    padding: 100px 0;
}

.demo-wrapper {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 40px;
    align-items: start;
}

/* Control Panel */
.demo-controls {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 24px;
    position: sticky;
    top: 100px;
}

.control-group {
    margin-bottom: 32px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.year-toggle-buttons, .theme-toggle-buttons {
    display: flex;
    gap: 8px;
}

.btn-toggle, .btn-toggle-theme {
    flex: 1;
    background-color: #0E1629;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 10px 12px;
    border-radius: 6px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-toggle:hover, .btn-toggle-theme:hover {
    color: var(--color-text-light);
    background-color: #151F36;
}

.btn-toggle.active, .btn-toggle-theme.active {
    background-color: var(--color-gold-bg);
    border-color: var(--color-gold);
    color: var(--color-gold);
    font-weight: 600;
}

.scenario-selector-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.scenario-option {
    background-color: #0E1629;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 12px;
    text-align: left;
    cursor: pointer;
    transition: all 0.25s ease;
}

.scenario-option:hover {
    background-color: #151F36;
    border-color: var(--color-text-muted);
}

.scenario-option.active {
    background-color: rgba(255, 255, 255, 0.02);
    border-color: var(--color-gold);
    box-shadow: inset 3px 0 0 var(--color-gold);
}

.scenario-title {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #FFFDF9;
    margin-bottom: 4px;
}

.scenario-option.active .scenario-title {
    color: var(--color-gold);
}

.scenario-desc {
    display: block;
    font-size: 11px;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Demo Display Area (Wood frame, Ledger + Inspector layout) */
.demo-display {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    padding: 24px;
    transition: background-color 0.4s ease;
}

/* Wood frame style surrounding the visual sheet container */
.demo-display.theme-ledger {
    background-color: #121A26;
    box-shadow: inset 0 0 40px rgba(0,0,0,0.6);
    border: 1px solid #1C2D42;
}

.demo-display.theme-ledger .wood-frame-decorator {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 12px;
    background-color: var(--color-wood);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    z-index: 10;
}

.demo-display.theme-arch {
    background-color: #080D1A;
    box-shadow: none;
    border: 1px solid var(--color-border);
}

.demo-display.theme-arch .wood-frame-decorator {
    display: none;
}

/* Ledger Sheet Style */
.ledger-sheet {
    background-color: var(--color-paper-bg);
    color: var(--color-paper-text);
    padding: 40px;
    border-radius: 2px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Ledger Paper Grid and lines styling */
.demo-display.theme-ledger .ledger-sheet::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 45px;
    width: 1px;
    background-color: var(--color-paper-red-line);
}

.demo-display.theme-ledger .ledger-sheet {
    background-image: linear-gradient(var(--color-paper-blue-line) 1px, transparent 1px);
    background-size: 100% 28px;
    background-position: 0 14px;
    border: 1px solid var(--color-paper-border);
}

/* Architecture Spec Overrides */
.demo-display.theme-arch .ledger-sheet {
    background-color: var(--color-arch-bg);
    color: var(--color-arch-text);
    border: 1px solid var(--color-arch-border);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    background-image: none;
    padding: 32px;
}

/* Ledger Header */
.ledger-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 28px;
    position: relative;
    z-index: 2;
}

.ledger-title-block h3 {
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-paper-text);
    margin-bottom: 2px;
}

.demo-display.theme-arch .ledger-title-block h3 {
    color: var(--color-gold);
    font-family: var(--font-mono);
}

.ledger-title-block p {
    font-size: 11px;
    color: #5C6E84;
}

.demo-display.theme-arch .ledger-title-block p {
    color: var(--color-text-muted);
}

.ledger-meta-block {
    text-align: right;
    font-size: 11px;
    color: #5C6E84;
    line-height: 1.4;
}

.demo-display.theme-arch .ledger-meta-block {
    color: var(--color-text-muted);
}

.ledger-meta-block .meta-label {
    font-weight: 600;
}

.ledger-meta-block .meta-val {
    font-weight: 700;
    color: var(--color-paper-text);
}

.demo-display.theme-arch .ledger-meta-block .meta-val {
    color: var(--color-text-light);
    font-family: var(--font-mono);
}

.ledger-divider {
    border: none;
    height: 2px;
    background-color: var(--color-paper-text);
    opacity: 0.15;
    margin: 16px 0;
}

.demo-display.theme-arch .ledger-divider {
    background-color: var(--color-arch-border);
    opacity: 1;
}

/* Ledger Rows */
.ledger-body {
    position: relative;
    z-index: 2;
}

.ledger-section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 20px 0 10px 0;
    color: #7B8F9A;
}

.demo-display.theme-arch .ledger-section-title {
    color: var(--color-gold);
    font-family: var(--font-mono);
}

.ledger-row {
    display: flex;
    align-items: center;
    min-height: 28px;
    padding: 4px 8px;
    font-size: 13px;
    border-radius: 4px;
    transition: background-color 0.15s ease, transform 0.15s ease;
}

.ledger-row.clickable {
    cursor: pointer;
}

.ledger-row.clickable:hover {
    background-color: rgba(28, 45, 66, 0.05);
    transform: translateX(4px);
}

.demo-display.theme-arch .ledger-row.clickable:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.ledger-row.active-row {
    background-color: rgba(212, 175, 55, 0.12) !important;
    box-shadow: inset 2px 0 0 var(--color-gold);
}

.line-num {
    width: 80px;
    font-size: 11px;
    font-weight: 600;
    color: #7C8B9E;
    font-family: var(--font-mono);
}

.line-label {
    flex: 1;
    font-weight: 500;
}

.line-value {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 14px;
    width: 120px;
    text-align: right;
}

.demo-display.theme-arch .line-value {
    font-family: var(--font-mono);
    font-weight: 400;
}

.highlight-row {
    font-weight: 700;
    background-color: rgba(28, 45, 66, 0.02);
}

/* Summary Box */
.summary-box {
    margin-top: 24px;
    border: 1px solid var(--color-paper-border);
    background-color: rgba(28, 45, 66, 0.02);
    border-radius: 6px;
    padding: 16px;
}

.demo-display.theme-arch .summary-box {
    border-color: var(--color-arch-border);
    background-color: rgba(255,255,255,0.01);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
}

.summary-item:last-child {
    margin-bottom: 0;
}

.summary-label {
    font-weight: 500;
}

.summary-value {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 14px;
}

.demo-display.theme-arch .summary-value {
    font-family: var(--font-mono);
    font-weight: 400;
}

.refund-item {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-paper-border);
    font-size: 15px;
}

.demo-display.theme-arch .refund-item {
    border-top-color: var(--color-arch-border);
}

.highlight-label {
    font-weight: 700;
    color: var(--color-paper-text);
}

.demo-display.theme-arch .highlight-label {
    color: var(--color-text-light);
}

/* Rule Inspector (Sidebar Card) */
.explanation-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 24px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    height: 0;
    overflow: hidden;
    margin-top: 0;
}

.explanation-card.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    height: auto;
    margin-top: 16px;
}

.explanation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.explanation-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: #FFFDF9;
    letter-spacing: -0.01em;
}

.close-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 20px;
    cursor: pointer;
}

.close-btn:hover {
    color: var(--color-text-light);
}

.rule-ref {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
}

.rule-badge {
    background-color: var(--color-gold-bg);
    border: 1px solid rgba(212, 175, 55, 0.2);
    color: var(--color-gold);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
}

.rule-code {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
}

.explanation-text {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.explanation-formula-block {
    background-color: #060B18;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 12px;
}

.formula-label {
    display: block;
    font-size: 9px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.formula-code {
    font-family: var(--font-mono);
    font-size: 12px;
    color: #82CFFD;
    word-break: break-all;
}

/* Roadmap Section */
.roadmap-section {
    padding: 100px 0;
    border-top: 1px solid var(--color-border);
    background-image: linear-gradient(180deg, rgba(6,11,24,0) 0%, rgba(10,18,36,0.3) 100%);
}

.roadmap-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.roadmap-text h2 {
    margin-top: 8px;
    margin-bottom: 20px;
}

.roadmap-text p {
    font-size: 15px;
    margin-bottom: 24px;
}

.roadmap-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.roadmap-step {
    display: flex;
    gap: 16px;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.roadmap-step.active {
    opacity: 1;
}

.step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #0E1629;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.roadmap-step.active .step-num {
    background-color: var(--color-gold-bg);
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.roadmap-step h4 {
    font-size: 15px;
    font-weight: 600;
    color: #FFFDF9;
    margin-bottom: 4px;
}

.roadmap-step p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.roadmap-graphic {
    display: flex;
    justify-content: center;
}

.map-graphic {
    max-width: 360px;
}

.pulse-point {
    animation: mapPulse 2s infinite ease-in-out;
    transform-origin: center;
}

@keyframes mapPulse {
    0% { r: 6; fill: var(--color-gold); opacity: 0.6; }
    50% { r: 10; fill: var(--color-gold-hover); opacity: 1; }
    100% { r: 6; fill: var(--color-gold); opacity: 0.6; }
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background-color: rgba(6, 11, 24, 0.3);
    border-top: 1px solid var(--color-border);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.faq-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 32px;
}

.faq-card h4 {
    color: #FFFDF9;
    margin-bottom: 12px;
    font-size: 16px;
}

.faq-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Footer Section */
.main-footer {
    border-top: 1px solid var(--color-border);
    padding: 60px 0 40px 0;
    background-color: #040811;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.footer-brand h4 {
    font-size: 18px;
    color: #FFFDF9;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 13px;
    color: var(--color-text-muted);
    max-width: 400px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--color-gold);
}

.footer-copyright {
    grid-column: 1 / -1;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
    margin-top: 20px;
    text-align: center;
    font-size: 12px;
    color: #5C6E84;
}

/* Responsive Rules */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .demo-wrapper {
        grid-template-columns: 1fr;
    }
    
    .demo-controls {
        position: static;
    }
    
    .roadmap-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .comparison-grid, .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .ledger-sheet {
        padding: 20px;
    }
    
    .line-value {
        width: 100px;
    }
    
    .line-num {
        width: 60px;
    }
}