/* ===================================
   NaLog Landing Page Styles
   =================================== */

/* ===================================
   1. CSS Variables & Reset
   =================================== */

:root {
    /* Colors */
    --color-primary: #1B5E20;
    --color-primary-dark: #0D4017;
    --color-primary-light: #2E7D32;
    --color-accent: #D4AF37;
    --color-accent-dark: #B8941F;
    --color-secondary: #0288D1;
    --color-secondary-light: #03A9F4;
    --color-charcoal: #37474F;
    --color-charcoal-light: #546E7A;
    --color-white: #FFFFFF;
    --color-off-white: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #EEEEEE;
    --color-gray-300: #E0E0E0;
    --color-gray-400: #BDBDBD;
    --color-gray-600: #757575;
    --color-gray-800: #424242;
    --color-success: #4CAF50;
    --color-warning: #FF9800;
    --color-error: #F44336;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-mono: 'Roboto Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 2rem;
    --border-radius: 8px;
    --border-radius-lg: 16px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ===================================
   2. Typography
   =================================== */

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-charcoal);
}

h1, .h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2, .h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3, .h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4, .h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--color-primary-dark);
}

.highlight {
    color: var(--color-accent);
    position: relative;
}

.highlight-text {
    color: var(--color-primary);
    font-weight: 600;
    font-style: italic;
}

/* ===================================
   3. Layout & Container
   =================================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

main {
    overflow-x: hidden;
}

section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-header.center {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* ===================================
   4. Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

.btn-block {
    display: block;
    width: 100%;
    justify-content: center;
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* ===================================
   5. Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-charcoal);
    transition: var(--transition-fast);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin: 0;
}

.navbar-nav a {
    color: var(--color-charcoal);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.navbar-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Mobile Navigation */
@media (max-width: 991px) {
    .navbar-toggle {
        display: flex;
    }

    .navbar-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-normal);
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .navbar-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .navbar-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .navbar-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===================================
   6. Hero Section
   =================================== */

.hero {
    position: relative;
    padding-top: calc(64px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, #f5f7fa 0%, #e8f5e9 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.05;
    background-image:
        radial-gradient(circle at 20% 50%, var(--color-primary) 2px, transparent 2px),
        radial-gradient(circle at 80% 80%, var(--color-accent) 2px, transparent 2px);
    background-size: 50px 50px;
    z-index: 0;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-top: var(--spacing-xs);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-trust {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    font-style: italic;
}

.hero-visual {
    position: relative;
}

.dashboard-preview {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
}

.dashboard-preview:hover {
    transform: translateY(-8px) scale(1.02);
}

.dashboard-preview img {
    width: 100%;
    height: auto;
    display: block;
}

.dashboard-overlay {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.pulse-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-success);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pulse {
    width: 8px;
    height: 8px;
    background-color: var(--color-white);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.3);
    }
}

/* Hero Responsive */
@media (max-width: 991px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-visual {
        order: -1;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }
}

@media (max-width: 576px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===================================
   7. Social Proof Banner
   =================================== */

.social-proof {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.social-proof-title {
    text-align: center;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.metrics-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    text-align: center;
}

.metric-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
}

.metric-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .metrics-bar {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   8. Problem Section
   =================================== */

.problem-section {
    background-color: var(--color-gray-100);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.problem-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-error);
    color: var(--color-white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.problem-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-error);
}

.problem-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.problem-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-600);
}

.problem-list li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: var(--color-error);
    font-weight: bold;
}

@media (max-width: 991px) {
    .problem-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   9. Features Section
   =================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    position: relative;
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, #fffef7 0%, #ffffff 100%);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-light);
    color: var(--color-white);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
}

.feature-card.featured .feature-icon {
    background-color: var(--color-accent);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.feature-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: gap var(--transition-fast);
}

.feature-link:hover {
    color: var(--color-primary-dark);
}

.feature-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-accent);
}

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

.feature-stat .stat-value {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.feature-stat .stat-label {
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

@media (max-width: 991px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   10. Benefits Section
   =================================== */

.benefits-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.benefits-section .section-title,
.benefits-section .section-subtitle {
    color: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px);
}

.benefit-number {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.benefit-card h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.benefit-proof {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 600;
}

.benefit-proof svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   11. Case Study Section
   =================================== */

.case-study-section {
    background-color: var(--color-off-white);
}

.case-study-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.case-study-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.case-study-intro {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    font-style: italic;
}

.case-study-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.case-study-image {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
}

.case-study-image img {
    width: 100%;
    height: auto;
    display: block;
}

.case-study-overlay {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
}

.case-study-stat {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
}

.case-study-stat .stat-value {
    color: var(--color-primary);
    font-size: 2rem;
}

.case-study-story {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.story-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.story-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.story-section h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.discovery-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.discovery-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius);
}

.stat-icon {
    font-size: 2rem;
}

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

.solution-list li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.solution-list svg {
    flex-shrink: 0;
    color: var(--color-success);
    margin-top: 2px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.result-card {
    background-color: var(--color-gray-100);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
}

.result-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.result-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.result-detail {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.testimonial {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-accent);
}

.testimonial p {
    font-size: 1.125rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.testimonial footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.testimonial footer strong {
    font-size: 1.125rem;
}

.testimonial footer span {
    opacity: 0.9;
    font-size: 0.95rem;
}

@media (max-width: 991px) {
    .case-study-content {
        grid-template-columns: 1fr;
    }

    .case-study-image {
        position: relative;
        top: 0;
    }
}

@media (max-width: 576px) {
    .discovery-stats,
    .results-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   12. ROI Calculator
   =================================== */

.roi-calculator-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.calculator-container {
    max-width: 900px;
    margin: 0 auto;
}

.calculator {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.calculator-inputs {
    padding: var(--spacing-xl);
    background-color: var(--color-gray-100);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-charcoal);
}

.input-group input,
.input-group select {
    padding: 0.75rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color var(--transition-fast);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.calculator-inputs .btn {
    margin-top: var(--spacing-md);
    width: 100%;
    justify-content: center;
}

.calculator-results {
    padding: var(--spacing-xl);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.result-item:last-of-type {
    border-bottom: none;
}

.result-item.highlighted {
    background-color: var(--color-primary-light);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-md) 0;
    border-bottom: none;
}

.result-label {
    font-weight: 600;
}

.result-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.result-item.highlighted .result-value {
    color: var(--color-white);
}

.result-disclaimer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.result-disclaimer small {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   13. Technology Section
   =================================== */

.technology-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.tech-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tech-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
}

.tech-card h3 {
    margin-bottom: var(--spacing-xs);
}

.tech-card p {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.tech-specs {
    list-style: none;
    text-align: left;
}

.tech-specs li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

.tech-specs li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

.architecture-diagram {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-lg);
}

.architecture-diagram img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 991px) {
    .technology-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   14. Pricing Section
   =================================== */

.pricing-section {
    background-color: var(--color-gray-100);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border: 3px solid var(--color-accent);
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-gray-200);
}

.pricing-header h3 {
    margin-bottom: var(--spacing-xs);
}

.pricing-description {
    color: var(--color-gray-600);
    font-size: 0.95rem;
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.price-period {
    color: var(--color-gray-600);
    font-size: 1.125rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-600);
}

.pricing-features svg {
    flex-shrink: 0;
    color: var(--color-success);
    margin-top: 2px;
}

.pricing-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-success);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

.pricing-footer {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 991px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .pricing-card.popular:hover {
        transform: translateY(-8px);
    }
}

/* ===================================
   15. FAQ Section
   =================================== */

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

.faq-item {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-charcoal);
    text-align: left;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--color-gray-100);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

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

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

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

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===================================
   16. Final CTA Section
   =================================== */

.final-cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.final-cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
    margin-bottom: var(--spacing-3xl);
}

.cta-main-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.cta-header {
    margin-bottom: 0;
}

.cta-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.cta-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: clamp(2rem, 4vw, 2.75rem);
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 0;
}

.cta-primary-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    border-radius: var(--border-radius-lg);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.95rem;
}

.cta-feature svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.cta-feature svg circle {
    fill: var(--color-accent);
}

.cta-feature svg path {
    fill: none;
    stroke: var(--color-white);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cta-contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-info-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.contact-info-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.contact-info-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-info-header svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact-info-header h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
}

.contact-info-header p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    font-size: 0.875rem;
}

.contact-link {
    display: block;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1rem;
    word-break: break-all;
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-white);
}

.contact-info-note {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
}

.contact-info-note svg {
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.contact-info-note p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.cta-social-proof {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.social-proof-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.countries-list {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.country-badge {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.country-badge:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* Responsive Styles */
@media (max-width: 991px) {
    .cta-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

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

    .cta-primary-actions {
        flex-direction: column;
    }

    .cta-primary-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .btn-xl {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .countries-list {
        gap: var(--spacing-sm);
    }

    .country-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
}

/* ===================================
   17. Footer
   =================================== */

.footer {
    background-color: var(--color-charcoal);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    margin-top: var(--spacing-sm);
    font-size: 0.95rem;
    opacity: 0.7;
}

.footer-contact p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

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

.footer-contact a:hover {
    color: var(--color-white);
}

.wechat-id {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    display: inline-block;
}

.footer-column h4 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.footer-newsletter h5 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
}

@media (max-width: 991px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-column:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ===================================
   18. Back to Top Button
   =================================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
}

/* ===================================
   19. Modal
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    position: relative;
    z-index: 1;
    max-width: 960px;
    width: 100%;
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast);
}

.modal-close:hover {
    transform: scale(1.2);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ===================================
   20. Utility Classes
   =================================== */

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

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

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--spacing-xs); }
.pt-2 { padding-top: var(--spacing-sm); }
.pt-3 { padding-top: var(--spacing-md); }
.pt-4 { padding-top: var(--spacing-lg); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--spacing-xs); }
.pb-2 { padding-bottom: var(--spacing-sm); }
.pb-3 { padding-bottom: var(--spacing-md); }
.pb-4 { padding-bottom: var(--spacing-lg); }

/* ===================================
   21. Print Styles
   =================================== */

@media print {
    .navbar,
    .footer,
    .back-to-top,
    .modal {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    h1 {
        font-size: 24pt;
    }

    h2 {
        font-size: 18pt;
    }

    h3 {
        font-size: 14pt;
    }
}