/* =========================================
   CSS Reset & Base Styles
   ========================================= */

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

:root {
    /* Colors */
    --primary-color: #2E7D99;
    --primary-dark: #1F5A6F;
    --primary-light: #E8F4F8;
    --secondary-color: #FF8C42;
    --secondary-dark: #E67629;

    --text-primary: #1A1A1A;
    --text-secondary: #4A4A4A;
    --text-light: #FFFFFF;

    --bg-white: #FFFFFF;
    --bg-gray: #F7F9FA;
    --bg-dark: #1A1A1A;

    --border-color: #E0E0E0;
    --success: #28A745;
    --warning: #FFC107;
    --error: #DC3545;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

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

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Container */
    --container-max-width: 1200px;
}

/* Dark Mode Variables */
.dark {
    --primary-color: #3D9FB5;
    --primary-dark: #2E7D99;
    --primary-light: #1F2937;
    --secondary-color: #FF8C42;
    --secondary-dark: #E67629;

    --text-primary: #E5E5E5;
    --text-secondary: #A3A3A3;
    --text-light: #FFFFFF;

    --bg-white: #0A0A0A;
    --bg-gray: #151515;
    --bg-dark: #1A1A1A;

    --border-color: #2A2A2A;
    --success: #34D399;
    --warning: #FBBF24;
    --error: #F87171;

    /* Shadows - darker for dark mode */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.6);
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    transition: background-color 0.3s ease;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: var(--line-height-base);
    background-color: var(--bg-white);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* =========================================
   Typography
   ========================================= */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
}

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

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

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

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* =========================================
   Container & Layout
   ========================================= */

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

.section {
    padding: var(--spacing-xxl) 0;
}

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

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

.section__title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section__title--light {
    color: var(--text-light);
}

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

.section__subtitle--light {
    color: rgba(255, 255, 255, 0.9);
}

/* =========================================
   Header & Navigation
   ========================================= */

.header {
    position: sticky;
    top: 0;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-md);
    position: relative;
}

.nav__logo .logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav__menu a {
    font-weight: 500;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

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

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

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-base);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: var(--spacing-xs);
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-white);
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
}

.lang-btn:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
}

.lang-btn.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

.lang-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* =========================================
   Buttons
   ========================================= */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    font-size: 1rem;
    line-height: 1.5;
    min-height: 44px;
    text-decoration: none;
}

.btn--primary {
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-color: var(--secondary-color);
}

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

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

.btn--secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.btn--large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.btn--small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn--full {
    width: 100%;
}

.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* =========================================
   Hero Section
   ========================================= */

.hero {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-white) 100%);
}

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

.hero__title {
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.trust-signals {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.trust-signal {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.trust-signal .icon {
    color: var(--success);
    flex-shrink: 0;
}

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

.hero__image-placeholder {
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero__image-placeholder img {
    width: 100%;
    height: auto;
    display: block;
}

/* =========================================
   Stats Grid
   ========================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.stat-card__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.stat-card__number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-card__text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* =========================================
   Persona Cards
   ========================================= */

.persona-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.persona-card {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.persona-card__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.persona-card__title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.persona-card__text {
    color: var(--text-secondary);
    margin: 0;
}

/* =========================================
   Steps / How It Works
   ========================================= */

.steps {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.step {
    display: flex;
    gap: var(--spacing-lg);
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.step--highlight {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-white) 100%);
    border: 2px solid var(--primary-color);
}

.step__number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
}

.step__content {
    flex: 1;
}

.step__image {
    flex-shrink: 0;
    max-width: 300px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.step__image img {
    width: 100%;
    height: auto;
    display: block;
}

.step__title {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.step__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.step__list li {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.sensitivity-levels {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
}

.sensitivity-levels h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.sensitivity-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.sensitivity-item {
    display: flex;
    gap: var(--spacing-sm);
}

.sensitivity-label {
    font-weight: 600;
    min-width: 100px;
}

/* =========================================
   Comparison Table
   ========================================= */

.comparison-table-wrapper {
    overflow-x: auto;
    margin: var(--spacing-xl) 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-table thead {
    background-color: var(--primary-dark);
    color: var(--text-light);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.comparison-table th.highlight,
.comparison-table td.highlight {
    background-color: var(--primary-light);
    font-weight: 700;
}

.comparison-table tbody tr:hover {
    background-color: var(--bg-gray);
}

/* =========================================
   USP Badges
   ========================================= */

.usps {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.usp-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--bg-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.usp-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.usp-badge__icon {
    font-size: 1.5rem;
}

.usp-badge__text {
    font-weight: 600;
    color: var(--text-primary);
}

/* =========================================
   Features Tabs
   ========================================= */

.features-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.features-tab {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
    min-height: 44px;
}

.features-tab:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

.features-tab.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

.features-panel {
    display: none;
}

.features-panel.active {
    display: block;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* =========================================
   Testimonials
   ========================================= */

.testimonial-card {
    max-width: 800px;
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-xl);
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-card__quote {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
}

.testimonial-card__quote p {
    margin-bottom: var(--spacing-md);
}

.testimonial-card__quote footer {
    margin-top: var(--spacing-lg);
    font-style: normal;
    font-weight: 600;
    color: var(--text-primary);
}

.cta-box {
    max-width: 600px;
    margin: var(--spacing-xl) auto 0;
    padding: var(--spacing-xl);
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

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

.cta-box p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* =========================================
   Technology Section
   ========================================= */

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.tech-category__title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
}

.tech-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tech-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.tech-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tech-item p {
    margin: 0;
    color: var(--text-secondary);
}

.tech-stack {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    text-align: center;
}

.tech-stack h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.tech-badge {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.875rem;
}

/* =========================================
   Pricing Cards
   ========================================= */

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: var(--spacing-xl) auto;
}

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

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

.pricing-card--featured {
    border: 3px solid var(--secondary-color);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.875rem;
}

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

.pricing-card__title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

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

.pricing-card__price .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

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

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

.pricing-card__features li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-card__features li:last-child {
    border-bottom: none;
}

.pricing-comparison {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-comparison h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.comparison-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-gray);
    border-radius: var(--radius-md);
}

.comparison-item--highlight {
    background-color: var(--primary-light);
    border: 2px solid var(--primary-color);
}

.comparison-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* =========================================
   FAQ Section
   ========================================= */

.faq-list {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
}

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

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
    min-height: 44px;
}

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

.faq-question:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--primary-color);
    transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

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

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    margin: 0;
}

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

/* =========================================
   Download Section
   ========================================= */

.download {
    text-align: center;
}

.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.store-badge {
    display: inline-block;
    transition: transform var(--transition-base);
}

.store-badge:hover {
    transform: scale(1.05);
}

.store-badge:focus {
    outline: 2px solid var(--text-light);
    outline-offset: 4px;
}

.download-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* =========================================
   Footer
   ========================================= */

.footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__title {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.footer__text {
    color: rgba(255, 255, 255, 0.7);
}

.footer__heading {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: var(--spacing-sm);
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--text-light);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.language-switcher--footer .lang-btn {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-light);
}

.language-switcher--footer .lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.language-switcher--footer .lang-btn.active {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* =========================================
   Responsive Design
   ========================================= */

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

    .hero__visual {
        order: -1;
    }

    .hero__cta {
        flex-direction: column;
    }

    .nav__menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__toggle {
        display: flex;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }

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

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 576px) {
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2rem;
    }

    .stats-grid,
    .persona-grid {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
    }

    .step__image {
        max-width: 100%;
        margin-top: var(--spacing-md);
    }

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

    .features-tabs {
        flex-direction: column;
    }
}

/* =========================================
   Accessibility
   ========================================= */

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: var(--spacing-md);
    background-color: var(--primary-color);
    color: var(--text-light);
    text-decoration: none;
}

.skip-to-main:focus {
    left: 50%;
    transform: translateX(-50%);
    top: var(--spacing-md);
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
    }

    .btn {
        border-width: 3px;
    }
}

/* Dark mode toggle button */
.dark-mode-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-color);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: 1000;
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.dark-mode-toggle:active {
    transform: scale(0.95);
}

.dark-mode-toggle svg {
    width: 24px;
    height: 24px;
    color: white;
    transition: transform var(--transition-base);
}

.dark-mode-toggle:hover svg {
    transform: rotate(20deg);
}

/* Dark mode specific adjustments */
.dark .card,
.dark .feature-card,
.dark .persona-card,
.dark .step-card,
.dark .comparison__table,
.dark .faq__item {
    background: var(--bg-dark);
    border-color: var(--border-color);
}

.dark .header {
    background: rgba(10, 10, 10, 0.95);
    border-bottom-color: var(--border-color);
}

.dark .footer {
    background: var(--bg-dark);
    border-top-color: var(--border-color);
}

.dark input,
.dark textarea,
.dark select {
    background: var(--bg-dark);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.dark input:focus,
.dark textarea:focus,
.dark select:focus {
    border-color: var(--primary-color);
}

/* Dark mode - Sensitivity Levels */
.dark .sensitivity-levels {
    background-color: rgba(26, 26, 26, 0.6);
    color: var(--text-primary);
}

.dark .sensitivity-levels h4 {
    color: var(--text-primary);
}

.dark .sensitivity-label {
    color: var(--text-primary);
}

/* Dark mode - Features Tab Buttons */
.dark .features-tab {
    background-color: var(--bg-gray);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.dark .features-tab:hover {
    background-color: var(--bg-dark);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.dark .features-tab.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

/* Dark mode - Language Switcher Buttons */
.dark .lang-btn {
    background-color: var(--bg-gray);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.dark .lang-btn:hover {
    background-color: var(--bg-dark);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.dark .lang-btn.active {
    background-color: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
}

.dark .language-switcher--footer .lang-btn {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
}

.dark .language-switcher--footer .lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.dark .language-switcher--footer .lang-btn.active {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--text-light);
}

/* Dark mode media query support */
@media (prefers-color-scheme: dark) {
    /* System preference support - handled by JavaScript */
}

/* =========================================
   Animations
   ========================================= */

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

[data-aos] {
    opacity: 0;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"].aos-animate {
    animation: fadeIn var(--transition-slow) ease-out;
}

/* =========================================
   Print Styles
   ========================================= */

@media print {
    .header,
    .nav,
    .download,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
    }

    .section {
        page-break-inside: avoid;
    }
}