/* ==========================================================================
   AgentRocket AI - Corporate Blue Theme Style Definition
   ========================================================================== */

/* Design Tokens & CSS Variables */
:root {
    --primary-color: #0066cc;
    --primary-hover: #0052a3;
    --primary-light: #e6f0fa;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f4f7fa;
    --bg-light-blue: #f0f6fc;
    --bg-dark-navy: #0f172a;
    --bg-footer: #0b0f19;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    --border-color: #e2e8f0;
    --border-focus: #3b82f6;
    
    --font-main: 'Inter', 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 -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-premium: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

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

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

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

/* Grids & Helpers */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.section-padding {
    padding: 100px 0;
}

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

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

.text-red { color: var(--accent-danger); }
.text-green { color: var(--accent-success); }
.text-blue { color: var(--primary-color); }
.p-0 { padding: 0 !important; }
.border-top { border-top: 1px solid var(--border-color); padding-top: 20px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-main);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    outline: none;
    text-align: center;
    white-space: normal; /* Force text wrapping inside buttons on small mobile screens */
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-white);
    box-shadow: 0 4px 10px rgba(0, 102, 204, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 28px;
    font-size: 1rem;
}

.btn-sm {
    padding: 10px 18px;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-role {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 50px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Section Headers */
.section-header {
    margin-bottom: 60px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    display: block;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Header & Navigation */
.main-header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 80px;
    display: flex;
    align-items: center;
}

.header-container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bg-dark-navy);
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-accent {
    color: var(--primary-color);
}

.logo-badge {
    background-color: var(--bg-dark-navy);
    color: var(--text-white);
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 4px;
    font-weight: 800;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding: 80px 0 60px;
    background: radial-gradient(circle at 80% 20%, #eef5ff 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 50px;
}

.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 2.65rem;
    line-height: 1.25;
    font-weight: 700;
    color: var(--bg-dark-navy);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-subtext {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.hero-sub-note {
    font-size: 0.825rem;
    color: var(--text-secondary);
}

.hero-sub-note i {
    color: var(--primary-color);
}

/* Hero Mockup Visual Systems */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0; /* Prevents overflow inside flex containers */
}

.mockup-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    transition: transform var(--transition-normal);
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

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

.mockup-card-header {
    background-color: var(--bg-secondary);
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.header-dot.red { background-color: var(--accent-danger); }
.header-dot.yellow { background-color: var(--accent-warning); }
.header-dot.green { background-color: var(--accent-success); }

.card-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-left: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mockup-card-body {
    padding: 16px;
}

/* Zalo Chat Mockup UI */
.mockup-zalo .mockup-card-body {
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
}

.chat-message.user {
    align-self: flex-end;
}

.chat-message.agent {
    align-self: flex-start;
}

.chat-bubble {
    padding: 10px 14px;
    font-size: 0.85rem;
    border-radius: 12px;
}

.chat-message.user .chat-bubble {
    background-color: #dbecfe;
    color: #1e3a8a;
    border-bottom-right-radius: 2px;
}

.chat-message.agent .chat-bubble {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-left-radius: 2px;
    border: 1px solid var(--border-color);
}

.chat-bubble.font-gradient {
    border-left: 3px solid var(--primary-color);
}

.chat-time {
    font-size: 0.675rem;
    color: var(--text-light);
    margin-top: 4px;
    align-self: flex-end;
}

.chat-message.agent .chat-time {
    align-self: flex-start;
}

/* CRM Table Mockup */
.mockup-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.725rem;
}

.mockup-table th {
    background-color: var(--bg-secondary);
    padding: 10px 12px;
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.mockup-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.mockup-table tr.highlight-row {
    background-color: #f0fdf4;
}

.mockup-table tr.highlight-row td {
    color: #15803d;
}

/* Dashboard Mockup */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 12px;
}

.kpi-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.kpi-label {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* KPI Badges Section */
.kpi-badges-section {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.kpi-badge-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--bg-primary);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.badge-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    background-color: var(--primary-light);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.badge-texts h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.badge-texts p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Trust Proof Section */
.trust-proof-section {
    background-color: var(--bg-primary);
}

.trust-grid {
    margin-top: 40px;
}

.trust-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition-normal);
}

.trust-card:hover {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.trust-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.trust-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.trust-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Problem Section */
.problem-grid {
    margin-bottom: 40px;
}

.problem-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px 24px;
    transition: var(--transition-fast);
}

.problem-card:hover {
    box-shadow: var(--shadow-md);
}

.problem-icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.problem-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Cost of Inaction Alert */
.alert-box {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 30px;
}

.cost-inaction-alert {
    background-color: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
}

.alert-icon {
    font-size: 1.5rem;
    color: var(--accent-warning);
    flex-shrink: 0;
}

.alert-text {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Use Case Section & Tab Selector */
.usecase-tabs-container {
    max-width: 960px;
    margin: 40px auto 0;
}

.usecase-tabs {
    display: flex;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
    margin-bottom: 30px;
}

.tab-btn {
    background: none;
    border: none;
    font-family: var(--font-main);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 16px 24px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

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

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeInUp var(--transition-normal);
}

.usecase-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.usecase-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.usecase-info p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

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

.task-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.task-list li i {
    color: var(--primary-color);
    margin-top: 4px;
}

.usecase-visual {
    border-radius: var(--radius-lg);
    padding: 30px;
    border: 1px solid var(--border-color);
    position: relative;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

.visual-kpi-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: var(--text-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 50px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.workflow-mini-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step-line {
    font-size: 0.85rem;
    color: var(--text-primary);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.step-num {
    background-color: var(--primary-light);
    color: var(--primary-color);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* Demo Flow Section (Before vs After) */
.demoflow-container {
    margin-top: 40px;
}

.demoflow-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.demoflow-card.before {
    border-left: 4px solid var(--accent-danger);
}

.demoflow-card.after {
    border-left: 4px solid var(--primary-color);
}

.flow-header {
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.flow-status {
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.flow-step {
    display: flex;
    gap: 16px;
    position: relative;
}

.flow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 30px;
    left: 14px;
    width: 2px;
    height: calc(100% - 10px);
    background-color: var(--border-color);
}

.flow-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    z-index: 2;
    flex-shrink: 0;
}

.before .flow-number {
    background-color: #fef2f2;
    color: var(--accent-danger);
    border: 1px solid #fee2e2;
}

.after .flow-number {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border: 1px solid #dbeafe;
}

.flow-text {
    flex: 1;
}

.flow-text strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.flow-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ROI Calculator Section */
.roi-container {
    margin-top: 40px;
    align-items: stretch;
}

.roi-sliders-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-labels label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.slider-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Custom HTML Range Slider */
.custom-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: #e2e8f0;
    outline: none;
}

.custom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.custom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.custom-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border: 0;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.custom-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

.roi-results-card {
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}

.results-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.results-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.results-body {
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-label {
    font-size: 0.825rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-val {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
}

.result-val.highlight {
    color: var(--primary-color);
    font-size: 2.25rem;
}

.result-desc {
    font-size: 0.775rem;
    color: var(--text-secondary);
}

.results-footer {
    font-size: 0.725rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Roadmap (Timeline) */
.roadmap-timeline {
    max-width: 800px;
    margin: 50px auto 0;
    position: relative;
    padding-left: 30px;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 6px;
    width: 2px;
    height: 100%;
    background-color: var(--border-color);
}

.roadmap-item {
    position: relative;
    margin-bottom: 40px;
}

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

.roadmap-marker {
    position: absolute;
    left: -30px;
    background-color: var(--primary-color);
    color: var(--text-white);
    font-size: 0.725rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    transform: translate(-10px, 4px);
    z-index: 2;
}

.roadmap-content {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.roadmap-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.roadmap-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.roadmap-output {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--primary-color);
    background-color: var(--primary-light);
    padding: 4px 10px;
    border-radius: 4px;
}

/* Qualification Section */
.qualification-grid {
    margin-top: 40px;
}

.qual-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-sm);
}

.qual-card.fit {
    border-top: 4px solid var(--accent-success);
}

.qual-card.not-fit {
    border-top: 4px solid var(--accent-danger);
}

.qual-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.qual-card ul {
    list-style: none;
}

.qual-card li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.qual-card li i {
    margin-top: 4px;
}

.qual-card.fit li i {
    color: var(--accent-success);
}

.qual-card.not-fit li i {
    color: var(--accent-danger);
}

/* Security Section */
.security-grid {
    margin-top: 40px;
}

.security-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition-fast);
}

.security-card:hover {
    box-shadow: var(--shadow-md);
}

.sec-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.security-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.security-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Call to Action Form Section */
.cta-form-section {
    background-color: var(--bg-secondary);
}

.cta-form-wrapper {
    align-items: center;
    gap: 50px;
}

.cta-form-info h2 {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.audit-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 30px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.detail-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
    width: 24px;
}

.cta-requirement {
    background-color: var(--bg-light-blue);
    border-left: 3px solid var(--primary-color);
    padding: 12px 16px;
    font-size: 0.85rem;
    color: var(--text-primary);
}

/* Form Container Card */
.cta-form-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-premium);
    position: relative;
    overflow: hidden;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-primary);
}

.required {
    color: var(--accent-danger);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-main);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-microcopy {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.4;
    margin-top: 8px;
}

/* Form Success Overlay */
.form-success-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.form-success-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.success-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.success-icon {
    font-size: 3.5rem;
    color: var(--accent-success);
}

.success-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.success-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.submission-summary {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.8rem !important;
}

/* FAQ Accordion */
.faq-accordion-wrapper {
    max-width: 800px;
    margin: 40px auto 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    font-family: var(--font-main);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.faq-question i {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: transform var(--transition-fast);
}

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

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

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

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.main-footer {
    background-color: var(--bg-footer);
    color: var(--text-light);
    padding: 80px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo-area {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--text-white);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text-white);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 30px 0;
    text-align: center;
    font-size: 0.8rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .grid-4, .grid-5 {
        grid-template-columns: repeat(2, 1fr);
    }
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-tagline {
        justify-content: center;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-visual {
        order: 2;
    }
}

/* Custom Scroll Container for CRM Table */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 0;
}

.table-responsive::-webkit-scrollbar {
    height: 4px;
}

.table-responsive::-webkit-scrollbar-track {
    background: #f1f5f9;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 2px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .grid-4, .grid-5 {
        grid-template-columns: repeat(2, 1fr);
    }
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-container {
        grid-template-columns: minmax(0, 1fr); /* Prevents grid column track from exceeding viewport */
        text-align: center;
        gap: 40px;
    }
    .hero-tagline {
        justify-content: center;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-visual {
        order: 2;
    }
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: minmax(0, 1fr); /* Prevents grid columns from expanding beyond screen */
    }
    .section-padding {
        padding: 50px 0;
    }
    .section-header {
        margin-bottom: 36px;
    }
    .section-header h2 {
        font-size: 1.85rem;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: 20px 24px;
        box-shadow: var(--shadow-md);
    }
    .nav-menu.active {
        display: block;
    }
    .nav-menu ul {
        flex-direction: column;
        gap: 16px;
    }
    .menu-toggle {
        display: block;
    }
    .header-cta {
        display: none; /* Hide top CTA on mobile */
    }
    .usecase-grid {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-title {
        font-size: 1.85rem;
        line-height: 1.3;
        word-break: keep-all;
        overflow-wrap: break-word;
    }
    .hero-subtext {
        font-size: 1rem;
        margin-bottom: 24px;
    }
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 12px;
        width: 100%;
        max-width: 100%;
    }
    .hero-buttons .btn {
        display: block; /* Convert to block block to ensure text wraps naturally instead of expanding button width */
        width: 100%;
        max-width: 100%;
        padding: 14px 20px;
        font-size: 0.95rem;
        white-space: normal;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    .hero-sub-note {
        margin-top: 10px;
    }
    .usecase-tabs {
        flex-wrap: wrap;
    }
    .tab-btn {
        width: 100%;
        justify-content: center;
        padding: 12px;
    }
    
    /* Mockup adjustments */
    .mockup-container {
        max-width: 100%;
    }
    .mockup-card-body {
        padding: 12px;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 8px;
    }
    .kpi-card {
        padding: 10px;
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
    .kpi-label {
        margin-bottom: 0;
    }
    .kpi-value {
        font-size: 0.95rem;
    }
    .mockup-zalo .mockup-card-body {
        max-height: 220px;
    }
    .chat-bubble {
        max-width: 90%;
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    .mockup-table th, .mockup-table td {
        padding: 8px 10px;
        white-space: nowrap;
    }
    
    /* ROI adjustments */
    .roi-sliders-card {
        padding: 20px;
        gap: 16px;
    }
    .roi-results-card {
        padding: 24px;
    }
    .result-val {
        font-size: 1.6rem;
    }
    .result-val.highlight {
        font-size: 1.8rem;
    }
    
    /* Layout details */
    .grid-4, .grid-5, .trust-grid, .problem-grid, .security-grid, .qualification-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
    }
    .trust-card, .problem-card, .security-card, .qual-card {
        padding: 20px 16px;
    }
    
    /* CTA Form card */
    .cta-form-card {
        padding: 24px 16px;
    }
    .cta-form-info h2 {
        font-size: 1.8rem;
    }
}