/* ============================================
   装修CRM 官网样式
   Modern, Clean, SEO-friendly
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors */
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #3B82F6;
    --secondary: #06B6D4;
    --accent: #F59E0B;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
    --gradient-card: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
    
    /* Text Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #94A3B8;
    --text-inverse: #FFFFFF;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --bg-dark: #0F172A;
    
    /* Border Colors */
    --border-light: #E2E8F0;
    --border-medium: #CBD5E1;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.15);
    
    /* Spacing */
    --section-padding: 100px;
    --container-max: 1200px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

input {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Styles */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 15px;
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-outline {
    border: 1.5px solid var(--border-medium);
    color: var(--text-primary);
    background: var(--bg-primary);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(37, 99, 235, 0.04);
}

.btn-ghost {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.08);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    border-bottom-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 15px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.06);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: var(--bg-dark);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 40%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-full);
    color: #F59E0B;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.2;
    color: var(--text-inverse);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #60A5FA 0%, #22D3EE 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 36px;
    max-width: 540px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-actions .btn-primary {
    background: var(--gradient-primary);
}

.hero-actions .btn-ghost {
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-actions .btn-ghost:hover {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-inverse);
    font-variant-numeric: tabular-nums;
}

.stat-suffix {
    font-size: 20px;
    font-weight: 600;
    color: #60A5FA;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Dashboard Mockup */
.hero-visual {
    animation: fadeInRight 0.8s ease 0.3s both;
}

.dashboard-mockup {
    background: #1E293B;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
    transition: transform var(--transition-slow);
}

.dashboard-mockup:hover {
    transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #22C55E; }

.mockup-title {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    margin-left: auto;
    margin-right: auto;
    padding-right: 52px;
}

.mockup-body {
    display: flex;
    min-height: 280px;
}

.mockup-sidebar {
    width: 48px;
    background: rgba(0, 0, 0, 0.15);
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-item {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}

.sidebar-item.active {
    background: var(--primary);
}

.mockup-main {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mockup-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.m-card {
    padding: 12px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.m-card.blue { border-left: 3px solid #3B82F6; }
.m-card.green { border-left: 3px solid #22C55E; }
.m-card.orange { border-left: 3px solid #F59E0B; }
.m-card.purple { border-left: 3px solid #A855F7; }

.m-card-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.m-card.blue .m-card-icon { background: #3B82F6; }
.m-card.green .m-card-icon { background: #22C55E; }
.m-card.orange .m-card-icon { background: #F59E0B; }
.m-card.purple .m-card-icon { background: #A855F7; }

.m-card-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 2px;
}

.m-card-label {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.4);
}

.mockup-chart {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 16px;
    display: flex;
    align-items: flex-end;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    width: 100%;
    height: 100%;
}

.bar {
    flex: 1;
    background: rgba(59, 130, 246, 0.3);
    border-radius: 4px 4px 0 0;
    min-height: 8px;
    transition: all var(--transition-base);
}

.bar.active {
    background: var(--gradient-primary);
}

/* ============================================
   Trust Section
   ============================================ */
.trust-section {
    padding: 48px 0;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-primary);
}

.trust-label {
    text-align: center;
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 28px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-logo {
    font-size: 16px;
    color: var(--text-tertiary);
    opacity: 0.5;
    transition: opacity var(--transition-base);
    white-space: nowrap;
}

.trust-logo:hover {
    opacity: 0.8;
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-primary);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.feature-card:hover::before {
    opacity: 1;
}

.feature-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 100%);
    border-color: rgba(37, 99, 235, 0.15);
}

.feature-card.featured::before {
    opacity: 1;
}

.feature-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon-wrap svg {
    width: 24px;
    height: 24px;
}

.feature-icon-wrap.blue { background: #EFF6FF; color: #2563EB; }
.feature-icon-wrap.green { background: #F0FDF4; color: #16A34A; }
.feature-icon-wrap.orange { background: #FFF7ED; color: #EA580C; }
.feature-icon-wrap.purple { background: #FAF5FF; color: #9333EA; }
.feature-icon-wrap.cyan { background: #ECFEFF; color: #0891B2; }
.feature-icon-wrap.red { background: #FEF2F2; color: #DC2626; }
.feature-icon-wrap.teal { background: #F0FDFA; color: #0D9488; }
.feature-icon-wrap.indigo { background: #EEF2FF; color: #4F46E5; }
.feature-icon-wrap.pink { background: #FDF2F8; color: #DB2777; }

.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.feature-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.feature-tags li {
    padding: 4px 12px;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
}

/* ============================================
   Flow Section
   ============================================ */
.flow-section {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.flow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    padding: 20px 0;
    flex-wrap: wrap;
}

.flow-step {
    text-align: center;
    padding: 24px 10px;
    min-width: 100px;
    flex: 1;
    position: relative;
}

.step-number {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.5;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.step-icon {
    font-size: 32px;
    margin-bottom: 12px;
    display: block;
}

.step-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.step-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.flow-connector {
    display: flex;
    align-items: center;
    padding-top: 55px;
    color: var(--primary);
    opacity: 0.3;
    flex-shrink: 0;
}

/* ============================================
   Advantages Section
   ============================================ */
.advantages-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.advantage-card {
    padding: 36px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    margin-bottom: 20px;
}

.advantage-icon svg {
    width: 48px;
    height: 48px;
}

.advantage-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.advantage-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Cases Section
   ============================================ */
.cases-section {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.case-card {
    padding: 32px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.case-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.case-company {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.case-info {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.case-quote {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    padding: 0 0 20px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 20px;
    font-style: italic;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    text-align: center;
}

.case-result strong {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.case-result span {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* ============================================
   Data Banner Section
   ============================================ */
.data-section {
    padding: 40px 0;
    background: var(--bg-primary);
}

.data-banner {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 48px 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.data-banner-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 8px;
}

.data-banner-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
}

.data-banner-stats {
    display: flex;
    gap: 40px;
}

.banner-stat {
    text-align: center;
}

.banner-stat strong {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 4px;
}

.banner-stat span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: start;
}

.pricing-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    padding: 36px;
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--text-inverse);
    padding: 4px 20px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

.pricing-target {
    font-size: 14px;
    color: var(--text-tertiary);
}

.pricing-price {
    margin-bottom: 28px;
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.price-currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.price-amount {
    font-size: 44px;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1;
}

.price-period {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-left: 4px;
}

.pricing-features {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pricing-features li {
    font-size: 14px;
    padding-left: 28px;
    position: relative;
    color: var(--text-secondary);
}

.pricing-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
}

.pricing-features li.included::before {
    background: #F0FDF4;
    border: 1.5px solid #22C55E;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 6l2 2 4-4' stroke='%2322C55E' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 12px;
}

.pricing-features li.not-included {
    color: var(--text-tertiary);
}

.pricing-features li.not-included::before {
    background: #F8FAFC;
    border: 1.5px solid #E2E8F0;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-section {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.faq-list {
    max-width: 740px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item[open] {
    box-shadow: var(--shadow-md);
    border-color: rgba(37, 99, 235, 0.2);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: color var(--transition-fast);
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::marker {
    content: '';
}

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

.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--text-tertiary);
}

.faq-item[open] .faq-icon {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.cta-card {
    background: var(--bg-dark);
    border-radius: var(--radius-xl);
    padding: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 700;
    color: var(--text-inverse);
    margin-bottom: 12px;
}

.cta-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 40px;
}

.cta-form {
    max-width: 700px;
    margin: 0 auto 20px;
}

.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    color: var(--text-inverse);
    font-size: 15px;
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.cta-btn {
    min-width: 200px;
}

.cta-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
    margin-top: 16px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-dark);
    padding: 64px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: var(--text-inverse);
    -webkit-text-fill-color: initial;
    background: none;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.7;
    max-width: 320px;
}

.footer-links-group h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-inverse);
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.45);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.45);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-inverse);
}

.footer-social a svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    color: var(--text-secondary);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        max-width: 600px;
        margin: 0 auto;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card.featured {
        grid-column: span 2;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }

    .data-banner {
        flex-direction: column;
        text-align: center;
        padding: 40px;
    }

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        z-index: 999;
        animation: fadeInUp 0.3s ease;
    }

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

    .nav-link {
        font-size: 17px;
        padding: 14px 16px;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .dashboard-mockup {
        transform: none;
    }

    .dashboard-mockup:hover {
        transform: none;
    }

    .mockup-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card.featured {
        grid-column: span 1;
    }

    .flow-steps {
        flex-direction: column;
        align-items: center;
    }

    .flow-connector {
        transform: rotate(90deg);
        padding: 0;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .data-banner-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card:last-child {
        grid-column: span 1;
        max-width: none;
    }

    .cta-card {
        padding: 40px 24px;
    }

    .form-row {
        flex-direction: column;
    }

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

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-badge {
        font-size: 12px;
    }

    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }

    .trust-logos {
        gap: 24px;
    }

    .trust-logo {
        font-size: 14px;
    }

    .mockup-cards {
        grid-template-columns: 1fr 1fr;
    }

    .m-card-value {
        font-size: 14px;
    }

    .case-results {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .case-result strong {
        font-size: 18px;
    }
}

/* Print Styles */
@media print {
    .header,
    .back-to-top,
    .hero-bg,
    .cta-section {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }

    .hero {
        background: #fff;
        color: #000;
        min-height: auto;
        padding: 40px 0;
    }

    .hero-title {
        color: #000;
    }

    .hero-title .gradient-text {
        -webkit-text-fill-color: #2563EB;
        color: #2563EB;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Selection */
::selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--text-primary);
}