/* ===================================
   Chit360.ai - Modern SaaS Landing Page
   CSS Stylesheet
   =================================== */

/* CSS Variables */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-primary-alpha: rgba(37, 99, 235, 0.1);
    
    --color-text-dark: #0f172a;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    
    --color-background: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-dark);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    text-wrap: balance;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-dark);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background: var(--color-surface);
    border-color: var(--color-text-muted);
}

.btn-white {
    background: white;
    color: var(--color-primary);
}

.btn-white:hover {
    background: var(--color-background);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--color-primary);
}

.nav-links {
    display: none;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-buttons {
    display: none;
    align-items: center;
    gap: 0.75rem;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2rem;
    height: 2rem;
    padding: 0.25rem;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-dark);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
    display: none;
    flex-direction: column;
    padding: 1rem 1.5rem 1.5rem;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav a {
    padding: 0.75rem 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav a:last-of-type {
    border-bottom: none;
}

.mobile-nav-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .nav-buttons {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .mobile-nav {
        display: none !important;
    }
}

/* Hero Section */
.hero {
    position: relative;
    padding: 7rem 0 4rem;
    overflow: hidden;
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.hero-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120%;
    height: 600px;
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-primary-alpha);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--color-text-dark) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-wrap: balance;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

@media (min-width: 480px) {
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

/* Dashboard Mockup */
.hero-visual {
    max-width: 900px;
    margin: 0 auto;
}

.dashboard-mockup {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(37, 99, 235, 0.1);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.dashboard-dots {
    display: flex;
    gap: 0.375rem;
}

.dashboard-dots span {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--color-border);
}

.dashboard-dots span:first-child { background: #ef4444; }
.dashboard-dots span:nth-child(2) { background: #f59e0b; }
.dashboard-dots span:last-child { background: #10b981; }

.dashboard-title {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.dashboard-content {
    padding: 1.5rem;
}

.metric-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

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

.metric-card {
    background: var(--color-background);
    border-radius: var(--radius-lg);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.metric-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.metric-icon.aum {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
}

.metric-icon.auctions {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.metric-icon.subscribers {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.metric-icon.efficiency {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

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

.metric-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.metric-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.metric-trend {
    font-size: 0.75rem;
    font-weight: 600;
}

.metric-trend.positive {
    color: #10b981;
}

/* Trust Section */
.trust-section {
    padding: 3rem 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-secondary);
}

.trust-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-alpha);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.trust-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.trust-badge span {
    font-size: 0.9375rem;
    font-weight: 600;
}

/* Platform Section */
.platform-section {
    padding: 5rem 0;
    background: var(--color-background);
}

.platform-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 992px) {
    .platform-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.platform-visual {
    order: 2;
}

@media (min-width: 992px) {
    .platform-visual {
        order: 1;
    }
}

.platform-content {
    order: 1;
}

@media (min-width: 992px) {
    .platform-content {
        order: 2;
    }
}

.platform-illustration {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.platform-hero-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(37, 99, 235, 0.15));
    transition: transform 0.3s ease;
}

.platform-hero-image:hover {
    transform: scale(1.02);
}

@media (min-width: 992px) {
    .platform-hero-image {
        max-width: 550px;
    }
}

.platform-features {
    margin-top: 1.5rem;
}

.platform-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--color-text-secondary);
}

.platform-features svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* Benefits Section */
.benefits-section {
    padding: 5rem 0;
    background: var(--color-surface);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

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

@media (min-width: 992px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-card {
    padding: 2rem;
    background: var(--color-background);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.benefit-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-alpha);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
}

.benefit-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-primary);
}

.benefit-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background: var(--color-background);
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 5rem;
}

.feature-block:last-child {
    margin-bottom: 0;
}

@media (min-width: 992px) {
    .feature-block {
        grid-template-columns: 1fr 1fr;
    }
    
    .feature-block.reverse .feature-content {
        order: 2;
    }
    
    .feature-block.reverse .feature-visual {
        order: 1;
    }
}

.feature-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.feature-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 1rem;
}

.feature-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-list li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 0.5rem;
    height: 0.5rem;
    background: var(--color-primary);
    border-radius: 50%;
}

/* Feature Mockups */
.feature-mockup {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.mockup-header {
    padding: 0.75rem 1rem;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.mockup-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.mockup-content {
    padding: 1.5rem;
}

/* Subscriber List Mockup */
.subscriber-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.subscriber-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--color-background);
    border-radius: var(--radius-md);
}

.subscriber-avatar {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.subscriber-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.subscriber-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.subscriber-id {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.subscriber-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.subscriber-status.active {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.subscriber-status.pending {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

/* Auction Card Mockup */
.auction-card {
    background: var(--color-background);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}

.auction-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.auction-name {
    font-weight: 600;
    color: var(--color-text-dark);
}

.auction-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.auction-status.live {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    animation: pulse-status 2s infinite;
}

@keyframes pulse-status {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.auction-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.detail-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.detail-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.detail-value.highlight {
    color: var(--color-primary);
}

.auction-progress {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.progress-bar {
    height: 0.5rem;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-text {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-align: right;
}

/* Report Grid Mockup */
.report-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.report-card {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.report-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.report-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.report-trend {
    font-size: 0.75rem;
    font-weight: 600;
}

.report-trend.positive {
    color: #10b981;
}

.report-trend.neutral {
    color: var(--color-text-secondary);
}

/* Compliance List Mockup */
.compliance-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.compliance-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--color-background);
    border-radius: var(--radius-md);
}

.compliance-icon {
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.compliance-icon svg {
    width: 1rem;
    height: 1rem;
}

.compliance-icon.complete {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.compliance-icon.pending {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.compliance-info {
    display: flex;
    flex-direction: column;
}

.compliance-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.compliance-date {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* Testimonials Section */
.testimonials-section {
    padding: 5rem 0;
    background: var(--color-surface);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

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

@media (min-width: 992px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    padding: 2rem;
    background: var(--color-background);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.testimonial-stars {
    display: flex;
    gap: 0.25rem;
}

.testimonial-stars svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #f59e0b;
}

.testimonial-content p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
}

.author-avatar {
    width: 3rem;
    height: 3rem;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.author-title {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* Pricing Section */
.pricing-section {
    padding: 5rem 0;
    background: var(--color-background);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-card {
    position: relative;
    padding: 2rem;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: 1.5rem;
}

.pricing-name {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

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

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.pricing-price .currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.pricing-price .amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text-dark);
    line-height: 1;
}

.pricing-price .period {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.pricing-features {
    flex: 1;
    margin-bottom: 1.5rem;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.pricing-features svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background: var(--color-surface);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

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

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-dark);
    text-align: left;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-text-secondary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: 1.25rem;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: white;
    margin-bottom: 1rem;
    text-wrap: balance;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

@media (min-width: 480px) {
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--color-text-dark);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

.footer-brand {
    grid-column: span 2;
}

@media (min-width: 768px) {
    .footer-brand {
        grid-column: span 1;
    }
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-icon {
    color: var(--color-primary-light);
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    max-width: 280px;
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.footer-social svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-slide-up {
    animation: slideUp 0.8s ease forwards;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    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;
}