/* Landing Page - Dark Tech Style (Reference website design) */

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

:root {
    /* Brand colors - Softer blue tones */
    --primary-color: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --accent-color: #06B6D4;
    --accent-dark: #0891B2;
    --secondary-color: #10B981;
    
    /* Background */
    --bg-dark: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #141414;
    
    /* Text */
    --text-primary: #FFFFFF;
    --text-secondary: #D1D5DB;
    --text-tertiary: #9CA3AF;
    
    /* Border */
    --border-color: #374151;
    --border-light: #4B5563;
    
    /* Status */
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Utility Classes ===== */
.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glow-primary {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.glow-accent {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

/* ===== Navigation ===== */
.navbar {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary);
}

.nav-brand i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s;
}

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

.nav-menu a:hover::after {
    width: 100%;
}

/* ===== Hero Section ===== */
.hero {
    padding: 100px 0 60px;
    background: var(--bg-dark);
    position: relative;
    overflow: visible;
    min-height: auto;
}

/* Background glow */
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
    animation: float 12s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -100px;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, transparent 70%);
    pointer-events: none;
    animation: float 15s ease-in-out infinite reverse;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.hero-content {
    max-width: 700px;
    animation: fadeInLeft 0.8s ease-out;
}

.hero-title {
    font-size: 2.25rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    text-align: center;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    width: 100%;
}

.hero-cta .btn {
    flex: 1;
}

.hero-highlights {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.highlight-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 2rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.highlight-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
}

.highlight-badge i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    width: 100%;
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

/* Hero animation window */
.demo-window {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 600px;
}

.window-header {
    background: var(--bg-secondary);
    padding: 0.75rem 1rem;
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.window-header .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.window-content {
    padding: 1.5rem;
    height: 450px;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
}

.chat-preview {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    justify-content: flex-start;
}

.chat-preview {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    padding: 0.875rem 1.25rem;
    border-radius: 1rem;
    max-width: 80%;
    animation: fadeInUp 0.5s;
    font-size: 0.875rem;
    line-height: 1.6;
}

.message.user {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    align-self: flex-end;
    margin-left: auto;
}

.message.bot {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    align-self: flex-start;
}

/* Hero Response Styles */
.hero-response {
    font-size: 0.875rem;
    line-height: 1.6;
}

.hero-response .response-header {
    font-weight: 600;
    color: #4F46E5;
    margin-bottom: 0.5rem;
}

.hero-response .response-time {
    font-size: 0.75rem;
    color: #10B981;
    font-weight: 400;
    margin-left: 0.5rem;
}

.hero-response .response-issue {
    color: #E5E7EB;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
}

.hero-response .response-issue strong,
.hero-response .response-cause strong {
    color: #9CA3AF;
}

.hero-response .response-cause {
    color: #D1D5DB;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.hero-response .response-evidence {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border-left: 3px solid #6366F1;
    border-radius: 0.375rem;
}

.hero-response .evidence-title {
    font-weight: 600;
    color: #818CF8;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
}

.hero-response .evidence-list {
    color: #D1D5DB;
    font-size: 0.75rem;
    line-height: 1.6;
}

.hero-response .evidence-list div {
    margin-bottom: 0.3rem;
}

.hero-response .response-script {
    padding: 0.875rem;
    background: #F0FDF4;
    border-left: 3px solid #10B981;
    border-radius: 0.375rem;
}

.hero-response .script-title {
    font-weight: 600;
    color: #059669;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
}

.hero-response .script-content {
    color: #065F46;
    line-height: 1.5;
    font-size: 0.8rem;
}

.typing-indicator {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-tertiary);
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    50% {
        transform: translateY(-20px) translateX(-50%);
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Buttons ===== */
.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.btn-secondary:hover {
    background: rgba(143, 91, 255, 0.25);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    background: rgba(143, 91, 255, 0.1);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ===== Sections ===== */
section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Pain Points Section ===== */
.pain-points {
    background: var(--bg-secondary);
    padding: 100px 0 80px;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.pain-point-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 2rem 1.5rem;
    border-radius: 1rem;
    transition: all 0.3s;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pain-point-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--error), rgba(239, 68, 68, 0.3));
}

.pain-point-card:hover {
    transform: translateY(-5px);
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.2);
}

.pain-icon {
    width: 50px;
    height: 50px;
    background: rgba(239, 68, 68, 0.15);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--error);
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.pain-stat {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--error);
    margin-bottom: 0.75rem;
}

.pain-point-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
}

.pain-point-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9rem;
}


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


.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2.5rem 2rem;
    border-radius: 1rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}


.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.feature-card:nth-child(1) .feature-icon {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.feature-card:nth-child(2) .feature-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--secondary-color);
}

.feature-card:nth-child(3) .feature-icon {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-color);
}

.feature-card:nth-child(4) .feature-icon {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-benefit {
    font-size: 1rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    font-weight: 600;
}

.feature-card p:not(.feature-benefit) {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    flex-grow: 1;
}

/* Pain Points Transition */
.pain-points-transition {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem 2rem;
    position: relative;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 50%, transparent 100%);
    border-radius: 2rem;
}

.transition-text {
    font-size: 1.75rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.transition-text::before,
.transition-text::after {
    content: '';
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color));
}

.transition-text::after {
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

.transition-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(10px);
    }
    60% {
        transform: translateY(5px);
    }
}

.feature-list {
    margin-top: auto;
}

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

.feature-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-list i {
    color: var(--accent-color);
}

/* ===== Benefits Section ===== */
.benefits {
    background: var(--bg-dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

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

.benefit-number {
    font-size: 2.875rem;
    font-weight: bold;
    color: var(--primary-color);
    opacity: 0.25;
    margin-bottom: 1.125rem;
}

.benefit-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== Demo Section (Industry Scenarios) ===== */
.demo-section {
    background: var(--bg-secondary);
}

.industry-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.industry-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    min-width: 140px;
}

.industry-tab i {
    font-size: 2rem;
    transition: all 0.3s;
}

.industry-tab:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(143, 91, 255, 0.3);
}

.industry-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.industry-tab.active i {
    color: white;
}

.industry-demo-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    overflow: hidden;
}

.demo-sidebar {
    background: var(--bg-tertiary);
    padding: 2rem 1.5rem;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-sidebar h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

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

.scenario-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.scenario-btn:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.scenario-btn.active {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.15);
    color: var(--text-primary);
}

.scenario-btn i {
    font-size: 1.25rem;
}

.industry-stats {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0.75rem;
}

.industry-stats h4 {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-row:last-child {
    border-bottom: none;
}

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

.stat-value {
    font-weight: 600;
    color: var(--accent-color);
}

/* Demo Chat */
.demo-chat {
    display: flex;
    flex-direction: column;
    height: 600px;
}

.chat-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--bg-tertiary);
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.status-dot.online {
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.chat-messages {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chat-message {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.5s;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.chat-message.user .message-avatar {
    background: var(--accent-color);
    order: 2;
}

.chat-message.user .message-content {
    flex: none;
    max-width: 60%;
    margin-left: auto;
}

.message-content {
    flex: 1;
    max-width: 65%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    text-align: left;
}

.chat-message.user .message-content {
    background: var(--primary-color);
    border: none;
}

/* ===== Pricing Section ===== */
.pricing {
    background: var(--bg-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2.5rem;
    transition: all 0.3s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(143, 91, 255, 0.3);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card .badge {
    position: absolute;
    top: -15px;
    right: 2rem;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.pricing-header {
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price .currency {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.price .amount {
    font-size: 2.875rem;
    font-weight: bold;
    color: var(--primary-color);
}

.price .period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.price .custom {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.875rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pricing-features i {
    color: var(--accent-color);
    font-size: 1.125rem;
}

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #000 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(143, 91, 255, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--text-primary);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-links a:hover {
    background: rgba(143, 91, 255, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo img {
    height: 32px;
    width: auto;
}

.footer-desc {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.footer-col ul li a i {
    margin-right: 0.5rem;
    width: 16px;
}

.footer-col ul li a .fa-external-link-alt {
    font-size: 0.75rem;
    margin-left: 0.25rem;
    margin-right: 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-tertiary);
    transition: color 0.2s;
}

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

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: fadeInUp 0.3s;
}

.modal-content h2 {
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2rem;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color 0.3s;
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(143, 91, 255, 0.2);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .pain-points {
        padding: 60px 0 40px;
    }
    
    .pain-points-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 3rem;
    }
    
    .pain-point-card {
        padding: 1.5rem;
    }
    
    .pain-points-transition {
        margin-top: 3rem;
        padding-top: 2rem;
    }
    
    .transition-text {
        font-size: 1.25rem;
    }
    
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: left;
        order: -1;
    }
    
    .hero-title {
        font-size: 1.75rem;
        text-align: left;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        text-align: left;
        line-height: 1.6;
    }
    
    .hero-stats {
        justify-content: flex-start;
        gap: 2.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .hero-cta {
        flex-direction: row;
        gap: 0.75rem;
    }
    
    .hero-cta .btn {
        flex: 1;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .hero-image {
        order: 1;
    }
    
    .demo-window {
        max-width: 100%;
    }
    
    .window-content {
        height: 380px;
        padding: 1.25rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .industry-demo-container {
        grid-template-columns: 1fr;
    }
    
    .demo-chat {
        height: 450px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .benefits-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card,
    .benefit-item,
    .pricing-card {
        padding: 1.5rem;
    }
}