/* Material Symbols Rounded Font */
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=block');

.material-symbols-rounded {
    font-family: 'Material Symbols Rounded';
    font-weight: normal;
    font-style: normal;
    font-size: 20px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    direction: ltr;
    vertical-align: middle;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: 'liga';
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    width: 1em;
    height: 1em;
    overflow: hidden;
    flex-shrink: 0;
}

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

/* CSS Variables */
:root {
    /* Brand Colors */
    --primary-blue: #1E5AA8;
    --primary-teal: #00AFAE;
    --gradient-primary: linear-gradient(135deg, #1E5AA8 0%, #00AFAE 100%);
    --primary-light-blue: rgba(30, 90, 168, 0.05);

    /* Neutral Colors */
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;

    /* Semantic Colors */
    --bg-page: #ffffff;
    --bg-card: #fafafa;
    --bg-section: #eef3fb;
    --section-divider: rgba(30, 90, 168, 0.1);
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-tertiary: #a1a1aa;
    --border: #e4e4e7;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --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-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Layout */
    --navbar-height: 80px;
}

/* i18n Loading State */
html.i18n-loading body {
    opacity: 0;
}

html:not(.i18n-loading) body {
    opacity: 1;
    transition: opacity 0.2s ease-in;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1002;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.25rem;
    height: 48px;
    width: auto;
}

.nav-logo-wordmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 48px;
    width: auto;
    opacity: 1;
    transition: opacity var(--transition-base);
}

.logo-light {
    opacity: 1;
    z-index: 2;
}

.logo-dark {
    opacity: 0;
    z-index: 1;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    margin-left: auto;
    margin-right: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: color var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .nav-link:hover {
        color: var(--primary-blue);
    }
}

.nav-actions {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* Language Dropdown (navbar + footer) */
.lang-dropdown {
    position: relative;
    display: inline-flex;
}

.lang-trigger-compact.open {
    background: rgba(30, 90, 168, 0.12);
    color: var(--primary-blue);
}

.lang-trigger-compact .material-symbols-rounded {
    font-size: 20px;
}

.lang-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: var(--radius-lg);
    border: none;
    background: var(--gray-100);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: background var(--transition-base), color var(--transition-base);
    white-space: nowrap;
    width: 100%;
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
    .lang-trigger:hover {
        background: var(--gray-200);
    }
}

.lang-trigger.open {
    background: rgba(30, 90, 168, 0.12);
    color: var(--primary-blue);
}

.lang-trigger .material-symbols-rounded {
    font-size: 18px;
}

.lang-trigger .arrow {
    font-size: 18px;
    margin-left: auto;
    transition: transform var(--transition-base);
}

.lang-trigger.open .arrow {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    display: none;
    padding: 0;
    overflow: hidden;
    animation: langMenuOpen 0.18s ease;
}

.lang-menu.open {
    display: block;
}

.lang-menu-scroll {
    max-height: 300px;
    overflow-y: auto;
    padding: 4px 0;
}

.lang-menu-scroll::-webkit-scrollbar {
    width: 4px;
}

.lang-menu-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.lang-menu-scroll::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.lang-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    width: 100%;
    text-align: left;
    border: none;
    background: none;
    white-space: nowrap;
    transition: background var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .lang-menu-item:hover {
        background: var(--gray-100);
    }
}

.lang-menu-item.selected {
    background: rgba(30, 90, 168, 0.08);
    color: var(--primary-blue);
    font-weight: 600;
}

.lang-menu-item .check-mark {
    font-size: 16px;
    opacity: 0;
    width: 16px;
    flex-shrink: 0;
}

.lang-menu-item.selected .check-mark {
    opacity: 1;
}

.lang-menu-item .lang-name {
    flex: 1;
}

@keyframes langMenuOpen {
    from {
        opacity: 0;
        transform: scaleY(0.9);
        transform-origin: top;
    }
    to {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* Theme and Hamburger Buttons */
.theme-toggle,
.lang-trigger-compact,
.mobile-menu-toggle {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
    border: none;
    cursor: pointer;
    transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
    .theme-toggle:hover,
    .lang-trigger-compact:hover,
    .mobile-menu-toggle:hover {
        background: rgba(0, 0, 0, 0.1);
        transform: scale(1.05);
    }
}

.theme-toggle:active,
.lang-trigger-compact:active,
.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.theme-toggle .material-symbols-rounded,
.lang-trigger-compact .material-symbols-rounded {
    font-size: 20px;
    color: var(--text-primary);
}

.theme-icon {
    position: absolute;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.theme-icon.hidden {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

.theme-icon.visible {
    opacity: 1;
    transform: rotate(0) scale(1);
}

.mobile-menu-toggle {
    display: none;
}

/* Hamburger icon toggle */
.mobile-menu-toggle
.material-symbols-rounded {
    font-size: 20px;
    color: var(--text-primary);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.15s ease;
}

.mobile-menu-toggle.is-open
.material-symbols-rounded {
    transform: rotate(90deg);
}

@keyframes iconSwapOut {
    from { opacity: 1; transform: rotate(0deg) scale(1); }
    to   { opacity: 0; transform: rotate(-90deg) scale(0.6); }
}

@keyframes iconSwapIn {
    from { opacity: 0; transform: rotate(90deg) scale(0.6); }
    to   { opacity: 1; transform: rotate(0deg) scale(1); }
}

.mobile-menu-toggle .material-symbols-rounded.swap-out {
    animation: iconSwapOut 0.18s ease forwards;
}

.mobile-menu-toggle .material-symbols-rounded.swap-in {
    animation: iconSwapIn 0.18s ease forwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-xl);
    }
}

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

@media (hover: hover) and (pointer: fine) {
    .btn-secondary:hover {
        background: var(--border);
    }
}

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-3xl);
    background: var(--bg-page);
    border-bottom: 1px solid var(--section-divider);
}

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

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
    max-width: 800px;
    width: 100%;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    white-space: normal;
    word-break: break-word;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: normal;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    justify-content: center;
}

/* App Features Showcase */
.features-section {
    background: var(--bg-section);
    border-bottom: 1px solid var(--section-divider);
}

.features-section .container {
    padding: var(--spacing-3xl) var(--spacing-xl);
}

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

.app-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.35rem;
    border-radius: 2rem;
    border: none;
    outline: 1.5px solid var(--border);
    outline-offset: -1.5px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.925rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease, outline-color 0.22s ease;
    white-space: nowrap;
    font-family: inherit;
}

@media (hover: hover) and (pointer: fine) {
    .app-tab:hover {
        color: var(--text-primary);
        outline-color: var(--gray-400);
        background: var(--gray-100);
    }
}

.app-tab.active {
    outline: none;
    color: white;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}

.app-features-panel-wrapper {
    overflow-x: clip;
    overflow-y: visible;
    border-radius: var(--radius-lg);
    cursor: grab;
    padding: 8px 0 20px;
}

.app-features-panel-wrapper:active {
    cursor: grabbing;
}

.app-features-panel {
    position: relative;
}

.app-features-page {
    display: none;
}

.app-features-page.active {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    animation: pageIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.app-page-desc {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.65;
    max-width: 620px;
    margin: 0 auto;
}

.features-grid-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.feature-slide {
    background: var(--primary-light-blue);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.feature-slide-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
    margin-bottom: var(--spacing-sm);
}

.feature-slide-icon
.material-symbols-rounded {
    font-size: 32px;
    color: white;
}

.feature-slide h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: var(--spacing-xs);
}

.feature-slide p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

/* Community Section */
.community {
    background: var(--bg-section);
    border-bottom: 1px solid var(--section-divider);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.community-card {
    background: var(--primary-light-blue);
    border: 1px solid var(--border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.community-icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Shared card transition */
.feature-card,
.community-card,
.feature-slide,
.testimonial-card,
.version-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* How It Works Section */
.how-it-works {
    background: var(--bg-page);
    border-bottom: 1px solid var(--section-divider);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.feature-card {
    background: var(--primary-light-blue);
    border: 1px solid var(--border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

@media (hover: hover) and (pointer: fine) {
    .feature-card:hover,
    .community-card:hover,
    .feature-slide:hover,
    .testimonial-card:hover,
    .version-card:hover {
        box-shadow: var(--shadow-md);
    }
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon
.material-symbols-rounded {
    font-size: 32px;
    color: white;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

/* Supported Apps */
.supported-apps {
    background: var(--primary-light-blue);
    border: 1px solid var(--border);
    text-align: center;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
}

.supported-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

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

.app-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
    border-radius: 999px;
    font-weight: 600;
    white-space: nowrap;
}

.app-badge
.material-symbols-rounded {
    font-size: 24px;
    flex-shrink: 0;
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-section);
    border-bottom: 1px solid var(--section-divider);
}

.testimonials-carousel {
    position: relative;
    overflow-x: clip;
    overflow-y: visible;
    padding: 16px var(--spacing-xl) 20px;
}

.testimonials-grid {
    display: flex;
    gap: var(--spacing-xl);
    transition: transform var(--transition-slow);
}

.testimonials-grid
.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex: 0 0 calc(33.333% - var(--spacing-xl));
    min-width: calc(33.333% - var(--spacing-xl));
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.carousel-button {
    position: relative;
    background: white;
    border: 1px solid var(--border);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    color: var(--gray-600);
    overflow: hidden;
    flex-shrink: 0;
}

.carousel-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
}

.carousel-button
.material-symbols-rounded {
    position: relative;
    z-index: 1;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (hover: hover) and (pointer: fine) {
    .carousel-button:hover::before {
        opacity: 1;
    }

    .carousel-button:hover
    .material-symbols-rounded {
        color: white;
    }
}

.carousel-button:active {
    transform: scale(0.95);
}

.carousel-button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    box-shadow: var(--shadow-sm);
}

.carousel-button:disabled:hover {
    transform: scale(1);
    box-shadow: var(--shadow-sm);
}

.carousel-button:disabled:hover::before {
    opacity: 0;
}

.carousel-button:disabled:hover
.material-symbols-rounded {
    color: var(--gray-600);
}

.testimonial-card {
    background: var(--primary-light-blue);
    border: 1px solid var(--border);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: visible;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 120px;
    color: var(--gray-200);
    font-family: Georgia, serif;
    line-height: 1;
    z-index: 0;
}

.testimonial-content {
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-lg);
}

.testimonial-text {
    font-size: 1.125rem;
    color: var(--text-primary);
    line-height: 1.6;
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-role {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 400;
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-top: var(--spacing-sm);
}

.star {
    color: #fbbf24;
    font-size: 1rem;
}

.testimonials-grid {
    user-select: none;
    cursor: grab;
}

.testimonials-grid.dragging {
    cursor: grabbing;
}

/* FAQ Section */
.faq {
    background: var(--bg-page);
    border-bottom: 1px solid var(--section-divider);
}

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

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-number {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    margin-right: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .faq-question:hover .faq-number {
        transform: scale(1.1);
        box-shadow: var(--shadow-md);
    }
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .faq-question:hover {
        color: var(--primary-blue);
    }
}

.faq-text {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
}

.faq-toggle-icon,
.faq-question .material-symbols-rounded {
    flex-shrink: 0;
    transition: transform var(--transition-base);
    color: var(--text-tertiary);
}

.faq-item.active .faq-toggle-icon,
.faq-item.active .faq-question .material-symbols-rounded {
    transform: rotate(180deg);
}

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

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

.faq-answer p {
    padding-bottom: var(--spacing-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

.inline-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .inline-link:hover {
        color: var(--primary-teal);
        text-decoration: underline;
    }
}

/* Changelog Page */
.changelog {
    min-height: calc(100vh - 200px);
    background: var(--bg-page);
}

.changelog-hero {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

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

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

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

.changelog-filters {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    row-gap: var(--spacing-sm);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    display: none;
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-btn {
    display: flex;
    align-items: center;
    padding: 0.55rem 1.15rem;
    border-radius: 2rem;
    border: none;
    outline: 1.5px solid var(--border);
    outline-offset: -1.5px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease, outline-color 0.22s ease;
    white-space: nowrap;
    font-family: inherit;
}

@media (hover: hover) and (pointer: fine) {
    .filter-btn:hover {
        color: var(--text-primary);
        outline-color: var(--gray-400);
        background: var(--gray-100);
    }
}

.filter-btn.active {
    outline: none;
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.filter-toggle input[type="checkbox"] {
    position: absolute;
    width: 44px;
    height: 24px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--gray-300);
    border-radius: 999px;
    transition: background var(--transition-base);
    flex-shrink: 0;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-base);
}

.filter-toggle input:checked + .toggle-slider {
    background: var(--gradient-primary);
}

.filter-toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.toggle-label {
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.version-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
    transition: box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.version-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.version-card[data-type="manager"]::before {
    background: linear-gradient(180deg, var(--primary-blue), #4A7FC8);
}

.version-card[data-type="patches"]::before {
    background: linear-gradient(180deg, var(--primary-teal), #20CFCE);
}

.version-card.hidden {
    display: none;
}

.version-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.version-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.version-link {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.01em;
    transition: color var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .version-link:hover {
        color: var(--primary-blue);
    }
}

.version-date {
    color: var(--text-tertiary);
    font-size: 0.8125rem;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    padding-top: 3px;
    flex-shrink: 0;
}

.version-date
.material-symbols-rounded {
    font-size: 14px;
    flex-shrink: 0;
}

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

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

.change-category {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.category-icon {
    font-size: 14px;
    flex-shrink: 0;
}

.category-icon.icon-added {
    color: #8B5CF6;
}

.category-icon.icon-fixed {
    color: #EF4444;
}

.category-icon.icon-perf {
    color: #F59E0B;
}

.category-icon.icon-changed {
    color: var(--text-tertiary);
}

.change-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding-left: 0;
}

.change-list li {
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: 0.9375rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.change-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 11px;
    width: 4px;
    height: 4px;
    background: var(--border);
    border-radius: 50%;
}

.change-list li strong,
.change-list li b {
    color: var(--text-primary);
    font-weight: 600;
}

.change-list li em,
.change-list li i {
    font-style: italic;
}

.change-list li code {
    background: var(--gray-100);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
    color: var(--primary-blue);
    word-break: break-all;
}

.change-list li a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-base);
    word-break: break-word;
}

@media (hover: hover) and (pointer: fine) {
    .change-list li a:hover {
        color: var(--primary-teal);
        text-decoration: underline;
    }
}

.type-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: 2rem;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    flex-shrink: 0;
}

.type-badge.manager {
    background: rgba(30, 90, 168, 0.1);
    color: var(--primary-blue);
    outline: 1px solid rgba(30, 90, 168, 0.2);
}

.type-badge.patches {
    background: rgba(0, 175, 174, 0.1);
    color: var(--primary-teal);
    outline: 1px solid rgba(0, 175, 174, 0.2);
}

.show-more-section {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    text-align: center;
    background: var(--bg-page);
    border: 2px dashed var(--border);
    border-radius: var(--radius-2xl);
}

.show-more-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.show-more-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Donate Page */
.donate {
    background: var(--bg-section);
}

.donate-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
}

/* Why Donate strip */
.why-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--section-divider);
}

.why-strip-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.why-strip-item .material-symbols-rounded {
    font-size: 20px;
    color: var(--primary-teal);
    flex-shrink: 0;
    margin-top: 1px;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

/* Open Collective Donate Section */
.donate-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

/* Hero card */
.donate-hero-card {
    position: relative;
    overflow: hidden;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.donate-hero-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 80% 20%, rgba(255,255,255,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 10% 90%, rgba(0,0,0,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.donate-hero-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.25);
}

.donate-hero-icon .material-symbols-rounded {
    font-size: 40px;
    color: white;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 40;
}

.donate-hero-text {
    flex: 1;
    min-width: 0;
}

.donate-hero-text h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.donate-hero-text p {
    color: rgba(255,255,255,0.82);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 500px;
}

.donate-hero-action {
    flex-shrink: 0;
}

.btn-donate {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    background: white;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: 0 4px 20px rgba(0,0,0,0.18);
    white-space: nowrap;
}

.btn-donate .material-symbols-rounded {
    font-size: 20px;
    font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 20;
    transition: transform var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .btn-donate:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(0,0,0,0.22);
    }

    .btn-donate:hover .material-symbols-rounded {
        transform: translateX(3px);
    }
}

.btn-donate:active {
    transform: translateY(0);
}

/* Tiers */
.donate-tiers-header {
    text-align: center;
}

.donate-tiers-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.donate-tiers-header p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
}

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

.donate-tier {
    position: relative;
    background: var(--bg-page);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
    overflow: hidden;
}

.donate-tier::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--tier-accent, var(--border));
}

@media (hover: hover) and (pointer: fine) {
    .donate-tier:hover {
        border-color: var(--tier-accent, var(--primary-blue));
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
    }
}

.donate-tier.featured {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 1px var(--primary-blue), var(--shadow-md);
}

.donate-tier-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.donate-tier-emoji {
    font-size: 2rem;
    line-height: 1;
}

.donate-tier-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.donate-tier-amount {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--tier-accent, var(--primary-blue));
    letter-spacing: -0.02em;
    line-height: 1;
}

.donate-tier-period {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 400;
}

.donate-tier-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.55;
    flex: 1;
}

.donate-tier-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tier-accent, var(--primary-blue));
    margin-top: var(--spacing-sm);
}

.donate-tier-cta .material-symbols-rounded {
    font-size: 18px;
    transition: transform var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .donate-tier:hover .donate-tier-cta .material-symbols-rounded {
        transform: translateX(4px);
    }
}

/* Backers */
.donate-backers {
    background: var(--bg-page);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.donate-backers-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.donate-backers-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.donate-backers-title .material-symbols-rounded {
    font-size: 20px;
    color: var(--primary-teal);
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

.pill-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.35rem;
    border-radius: 2rem;
    outline: 1.5px solid var(--border);
    outline-offset: -1.5px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.925rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: color 0.22s ease, background 0.22s ease, outline-color 0.22s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.pill-tab .material-symbols-rounded {
    font-size: 16px;
}

@media (hover: hover) and (pointer: fine) {
    .pill-tab:hover {
        color: var(--text-primary);
        outline-color: var(--gray-400);
        background: var(--gray-100);
    }
}

.donate-avatars {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
    min-height: 44px;
}

.donate-avatar {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--bg-page);
    box-shadow: 0 0 0 1px var(--border);
    background: var(--primary-light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary-blue);
    flex-shrink: 0;
    text-decoration: none;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .donate-avatar:hover {
        transform: scale(1.1);
        box-shadow: 0 0 0 2px var(--primary-blue);
    }
}

.donate-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.donate-avatar-more {
    background: var(--gray-100);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
}

.donate-backers-empty {
    color: var(--text-tertiary);
    font-size: 0.9375rem;
}

/* Community grid */
.donate-community-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

/* Sponsors card accent */
.donate-sponsors-card {
    border-color: #f59e0b;
}

.donate-sponsors-card .donate-backers-title .material-symbols-rounded {
    color: #f59e0b;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

/* Sponsor avatars — larger */
.donate-sponsors-avatars {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    min-height: 72px;
}

.donate-sponsor-avatar {
    position: relative;
    width: 72px;
    height: 72px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #f59e0b;
    flex-shrink: 0;
    text-decoration: none;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .donate-sponsor-avatar:hover {
        transform: scale(1.06);
        box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.35), var(--shadow-md);
    }
}

.donate-sponsor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.add-source-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background-color: var(--bg-page);
}

.add-source-page .state {
    display: none;
}

.add-source-page
.state.active {
    display: block;
}

.add-source-page .container {
    max-width: 500px;
    padding: 0;
    text-align: center;
}

.icon-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.icon-circle
.material-symbols-rounded {
    font-size: 36px;
    color: white;
}

.icon-circle--success {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popIn {
    from { transform: scale(0.5); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}

.source-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.source-card__label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.source-card__name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    word-break: break-all;
}

.source-card__url {
    font-size: 0.78rem;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    color: var(--text-tertiary);
    word-break: break-all;
    line-height: 1.5;
}

.warning-box {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: rgba(234, 179, 8, 0.08);
    border: 1px solid rgba(234, 179, 8, 0.25);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.warning-box
.material-symbols-rounded {
    font-size: 16px;
    color: #ca8a04;
    flex-shrink: 0;
    margin-top: 2px;
}

.warning-box__text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.add-source-page .btn {
    width: 100%;
    justify-content: center;
}

.add-source-page .btn + .btn {
    margin-top: var(--spacing-sm);
}

/* Override btn-secondary for this page - transparent style */
.add-source-page .btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

@media (hover: hover) and (pointer: fine) {
    .add-source-page .btn-secondary:hover {
        background: transparent;
        color: var(--text-primary);
        border-color: var(--text-secondary);
    }
}

.desktop-emoji {
    font-size: 3.5rem;
    line-height: 1;
    margin-bottom: var(--spacing-xl);
}

.steps-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.steps-card ol {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--text-secondary);
    line-height: 2;
}

.steps-card li {
    font-size: 0.9rem;
}

.steps-card a {
    color: var(--primary-teal);
    text-decoration: none;
    font-weight: 600;
}

@media (hover: hover) and (pointer: fine) {
    .steps-card a:hover {
        text-decoration: underline;
    }
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.5;
    pointer-events: none;
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-xl);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.footer-logo {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.footer-brand-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.01em;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
    font-weight: 400;
}

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

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

.footer-column h4 {
    color: white;
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--gray-500);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 400;
    transition: color var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .footer-column a:hover {
        color: white;
    }
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: var(--spacing-xl);
    text-align: center;
}

.dmca-badge img {
    height: 20px;
    opacity: 0.45;
    transition: opacity var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
    .dmca-badge:hover img {
        opacity: 0.75;
    }
}

.analytics-details {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.analytics-details summary {
    cursor: pointer;
    color: var(--gray-500);
    font-size: 0.8125rem;
    user-select: none;
    transition: color var(--transition-base);
    list-style: none;
}

.analytics-details summary::-webkit-details-marker { display: none; }

@media (hover: hover) and (pointer: fine) {
    .analytics-details summary:hover {
        color: var(--gray-300);
    }
}

.analytics-details[open] {
    line-height: 1.6;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 400;
}

/* Language Selector */
.language-selector-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
    -webkit-tap-highlight-color: transparent;
}

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

@media (hover: hover) and (pointer: fine) {
    .scroll-to-top:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-xl);
    }
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

.scroll-to-top
.material-symbols-rounded {
    font-size: 24px;
}

/* Tablet adjustments */
@media (max-width: 1024px) {
    .features-grid-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

/* Mobile Drawer */
.mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    pointer-events: none;
}

.mobile-drawer.open {
    display: block;
    pointer-events: all;
}

.drawer-scrim {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    animation: drawerFadeIn 0.22s ease forwards;
}

.drawer-sheet {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    padding: var(--navbar-height) 0 var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 2px;
    box-shadow: var(--shadow-xl);
    animation: drawerDropIn 0.28s cubic-bezier(0.05, 0.7, 0.1, 1) forwards;
}

@keyframes drawerFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes drawerFadeOut {
    from { opacity: 1; }
    to   { opacity: 0; }
}

@keyframes drawerDropIn {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes drawerDropOut {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-12px); }
}

.mobile-drawer.closing .drawer-scrim {
    animation: drawerFadeOut 0.22s ease forwards;
}

.mobile-drawer.closing .drawer-sheet {
    animation: drawerDropOut 0.22s ease forwards;
}

.drawer-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px var(--spacing-md);
    margin: 0 var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: background var(--transition-base), color var(--transition-base);
}

.drawer-link .material-symbols-rounded {
    font-size: 22px;
    color: var(--text-tertiary);
    transition: color var(--transition-base);
}

.drawer-link:active {
    background: var(--gray-100);
    color: var(--text-primary);
}

.drawer-link:active .material-symbols-rounded {
    color: var(--primary-blue);
}

.drawer-link.active {
    background: rgba(30, 90, 168, 0.08);
    color: var(--primary-blue);
}

.drawer-link.active .material-symbols-rounded {
    color: var(--primary-blue);
}

.drawer-divider {
    height: 1px;
    background: var(--border);
    border: none;
    margin: var(--spacing-xs) var(--spacing-md);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
        white-space: normal;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    /* App features showcase */
    .app-tabs {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .app-tab {
        padding: 0.5rem 1rem;
        font-size: 0.82rem;
    }

    .features-grid-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .feature-slide {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .feature-slide-icon {
        width: 64px;
        height: 64px;
    }

    .feature-slide-icon
    .material-symbols-rounded {
        font-size: 32px;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .footer-nav {
        grid-template-columns: 1fr;
    }

    .donate-tiers {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .donate-community-grid {
        grid-template-columns: 1fr;
    }

    .donate-hero-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
    }

    .donate-hero-text p {
        max-width: 100%;
    }

    .donate-hero-action {
        width: 100%;
    }

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

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .app-badges {
        gap: var(--spacing-sm);
    }

    .app-badge {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.875rem;
        gap: var(--spacing-xs);
    }

    .app-badge
    .material-symbols-rounded {
        font-size: 20px;
    }

    .testimonials-carousel {
        padding: 16px var(--spacing-md) 20px;
    }

    .testimonials-grid .testimonial-card {
        flex: 0 0 calc(100% - var(--spacing-xl));
        min-width: calc(100% - var(--spacing-xl));
    }

    .nav-actions {
        gap: var(--spacing-sm);
    }

    .theme-toggle {
        order: 1;
    }

    .mobile-menu-toggle {
        order: 2;
    }

    .changelog {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .changelog .container {
        padding: 0;
    }

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

    .section-subtitle {
        font-size: 1rem;
    }

    .changelog-hero {
        text-align: center;
        margin-bottom: var(--spacing-3xl);
    }

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

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

    .changelog-filters {
        gap: var(--spacing-sm);
    }

    .filter-btn {
        padding: 0.45rem 0.9rem;
        font-size: 0.875rem;
    }

    .toggle-label {
        font-size: 0.875rem;
    }

    .changelog-grid {
        gap: var(--spacing-lg);
    }

    .version-card {
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }

    .version-link {
        font-size: 1.25rem;
        word-break: break-word;
    }

    .version-date {
        font-size: 0.8125rem;
    }

    .version-title {
        gap: var(--spacing-xs);
    }

    .type-badge {
        font-size: 0.5625rem;
        padding: 0.2rem 0.4rem;
    }

    .changes-section {
        gap: var(--spacing-sm);
    }

    .change-group {
        gap: var(--spacing-xs);
    }

    .change-category {
        font-size: 0.8125rem;
    }

    .change-list {
        gap: var(--spacing-xs);
    }

    .change-list li {
        font-size: 0.875rem;
        padding-left: var(--spacing-md);
        line-height: 1.5;
    }

    .change-list li::before {
        left: 4px;
        top: 8px;
        width: 3px;
        height: 3px;
    }

    .change-list li code {
        padding: 0.1rem 0.4rem;
    }

    .show-more-section {
        padding: var(--spacing-lg) var(--spacing-md);
        margin-top: var(--spacing-2xl);
    }

    .show-more-text {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }

    .show-more-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .show-more-buttons
    .btn {
        width: 100%;
        justify-content: center;
        font-size: 0.9375rem;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .show-more-buttons
    .btn
    .material-symbols-rounded {
        font-size: 18px;
    }
}

/* Small mobile adjustments */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        white-space: normal;
    }

    .why-strip {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        line-height: 1.4;
    }

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

    .feature-slide {
        padding: var(--spacing-md) var(--spacing-sm);
    }

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

    .supported-apps {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .app-badges {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: var(--spacing-xs);
    }

    .app-badge {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8125rem;
        width: 100%;
        max-width: none;
        justify-content: center;
        text-align: center;
    }

    .btn img {
        margin-left: 0;
        margin-top: 0.25rem;
    }

    .changelog {
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 0.9375rem;
    }

    .changelog-hero {
        text-align: center;
        margin-bottom: var(--spacing-3xl);
    }

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

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

    .changelog-filters {
        gap: var(--spacing-sm);
    }

    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8125rem;
    }

    .version-card {
        padding: var(--spacing-md);
    }

    .version-link {
        font-size: 1.125rem;
    }

    .version-date {
        font-size: 0.75rem;
    }

    .change-list li {
        font-size: 0.8125rem;
    }

    .show-more-buttons .btn {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .add-source-page {
        padding: var(--spacing-md);
    }
}

@media (max-width: 896px) and (max-height: 414px) and (orientation: landscape) {
    .testimonials-carousel {
        padding: 16px var(--spacing-xl) 20px;
    }

    .testimonials-grid .testimonial-card {
        flex: 0 0 clamp(400px, 85vw, 650px);
        min-width: clamp(400px, 85vw, 650px);
        max-width: clamp(400px, 85vw, 650px);
    }

    .testimonial-text {
        font-size: 1rem;
    }
}

/* Tablet landscape adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .changelog-filters {
        gap: var(--spacing-md);
    }
}

@media (min-width: 897px) and (max-width: 1024px) and (max-height: 600px) and (orientation: landscape) {
    .testimonials-carousel {
        padding: 16px var(--spacing-2xl) 20px;
    }

    .testimonials-grid .testimonial-card {
        flex: 0 0 clamp(500px, 75vw, 700px);
        min-width: clamp(500px, 75vw, 700px);
        max-width: clamp(500px, 75vw, 700px);
    }
}

@media (max-width: 1280px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 650px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) {
    .theme-toggle {
        margin-left: 0;
    }
}

html[data-theme] {
    visibility: visible;
}