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

:root {
    --primary-color: #4169E1;
    --secondary-color: #5B7FFF;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-light: #fafbfc;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--white);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 60px;
    padding-right: 60px;
    min-height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 100%;
}

.logo-image {
    height: 36px;
    width: auto;
    display: block;
    vertical-align: middle;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo .logo-image {
    height: 32px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
    flex: 1;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 400;
    font-size: 1rem;
    transition: all 0.2s ease;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: rgba(65, 105, 225, 0.1);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-dark);
    transition: all 0.2s ease;
    font-weight: 500;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(65, 105, 225, 0.3);
    transform: translateY(-1px);
}

.lang-btn .icon:first-child {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.lang-btn .icon:last-child {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.lang-btn:hover .icon:last-child {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    max-height: 400px;
    overflow-y: auto;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    padding: 0.6rem 1rem;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.lang-option:last-child {
    border-bottom: none;
    border-radius: 0 0 12px 12px;
}

.lang-option:first-child {
    border-radius: 12px 12px 0 0;
}

.lang-option:hover {
    background: rgba(65, 105, 225, 0.1);
    color: var(--primary-color);
}

.lang-option.active {
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(65, 105, 225, 0.06);
}

.nav-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Hero Section */
.hero {
    background: linear-gradient(180deg, 
        rgba(224, 231, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 240, 245, 0.2) 100%);
    padding: 180px 0 140px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(ellipse at center, 
        rgba(147, 197, 253, 0.15) 0%, 
        rgba(196, 181, 253, 0.1) 30%,
        transparent 70%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

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

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

.hero-content h1 {
    font-size: 5rem;
    margin-bottom: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: var(--text-light);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.stats-badges {
    display: flex;
    gap: 3rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.stat-badge {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.platform-badges {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.platform-badge {
    padding: 0.6rem 1.2rem;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.platform-badge i {
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    font-size: 1.05rem;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    border-color: var(--text-dark);
}

/* Apps Section */
.apps {
    padding: 120px 0;
    background: linear-gradient(180deg,
        rgba(240, 253, 244, 0.3) 0%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(254, 243, 199, 0.25) 100%);
    position: relative;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.carousel-controls {
    display: flex;
    gap: 0.75rem;
}

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.2rem;
}

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

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.apps-carousel {
    position: relative;
    overflow: hidden;
    padding-top: 10px;
}

.apps-grid {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 1rem;
    padding-top: 10px;
}

.apps-grid::-webkit-scrollbar {
    display: none;
}

.app-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid var(--border-color);
    min-width: 360px;
    max-width: 360px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    user-select: none;
}

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

.app-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.app-logo {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.app-logo .icon {
    font-size: 2rem;
}

.app-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.app-downloads {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    box-shadow: 0 2px 8px rgba(65, 105, 225, 0.2);
    position: relative;
    overflow: hidden;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.download-btn:hover::before {
    left: 100%;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(65, 105, 225, 0.3);
}

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

.download-btn .icon {
    font-size: 1rem;
    filter: brightness(0) invert(1);
}

/* Details button has light background — keep icon dark */
.download-btn.details-btn .icon {
    filter: none;
}

/* Platform-specific colors */
.android-btn {
    background: linear-gradient(135deg, #34A853, #4CAF50);
    box-shadow: 0 2px 8px rgba(52, 168, 83, 0.3);
}

.android-btn:hover {
    box-shadow: 0 8px 25px rgba(52, 168, 83, 0.4);
}

.ios-btn {
    background: linear-gradient(135deg, #007AFF, #0056CC);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.ios-btn:hover {
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.4);
}

.web-btn {
    background: linear-gradient(135deg, #FF6B35, #F7931E);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.web-btn:hover {
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.windows-btn {
    background: linear-gradient(135deg, #0078D4, #106EBE);
    box-shadow: 0 2px 8px rgba(0, 120, 212, 0.3);
}

.windows-btn:hover {
    box-shadow: 0 8px 25px rgba(0, 120, 212, 0.4);
}

.mac-btn {
    background: linear-gradient(135deg, #1D1D1F, #424245);
    box-shadow: 0 2px 8px rgba(29, 29, 31, 0.3);
}

.mac-btn:hover {
    box-shadow: 0 8px 25px rgba(29, 29, 31, 0.4);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .app-downloads {
        gap: 0.5rem;
    }
    
    .download-btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
        border-radius: 10px;
    }
    
    .download-btn .icon {
        font-size: 0.9rem;
    }
}

.app-logo-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.app-logo-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.app-logo-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.app-logo-4 {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.app-logo-5 {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.app-logo-6 {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.app-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.app-info h3 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
    transition: color 0.3s;
}

.app-card:hover .app-info h3 {
    color: var(--primary-color);
}

.app-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.app-version {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.app-badge {
    display: inline-block;
    background: #FEF3C7;
    color: #92400E;
    padding: 0.25rem 0.65rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
}

.app-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.app-content p {
    color: var(--text-light);
    font-size: 0.88rem;
    line-height: 1.6;
    margin: 0 0 1rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* About Section */
.about {
    padding: 140px 0;
    background: linear-gradient(180deg,
        rgba(254, 243, 199, 0.25) 0%,
        rgba(255, 255, 255, 0.9) 50%,
        rgba(237, 233, 254, 0.3) 100%);
    position: relative;
}

.about-content {
    max-width: 900px;
    margin: 0 auto 5rem;
    text-align: center;
}

.about-content .section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.about-text {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 10px;
}

.feature-item {
    background: var(--white);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: auto;
    height: auto;
    background: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
    color: var(--text-dark);
}

.feature-icon i,
.feature-icon .icon {
    font-weight: normal;
    color: var(--text-dark);
}

.feature-item:hover .feature-icon {
    transform: none;
}

.feature-item h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-weight: 600;
}

.feature-item p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(180deg,
        rgba(237, 233, 254, 0.3) 0%,
        rgba(255, 255, 255, 0.9) 50%,
        rgba(224, 242, 254, 0.25) 100%);
    position: relative;
}

.contact-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: transparent;
    border: 2px solid var(--text-dark);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-icon i,
.contact-icon .icon {
    font-weight: normal;
    color: var(--text-dark);
}

.contact-details h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-details a,
.contact-details p {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    transition: all 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(65, 105, 225, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-form .btn-primary .icon {
    filter: brightness(0) invert(1);
}

/* Privacy Policies Section */
.privacy-policies-section {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.privacy-section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    text-align: center;
}

.privacy-section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

.privacy-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding-top: 10px;
}

.privacy-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: left;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.privacy-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.privacy-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    line-height: 1.3;
}

.privacy-card-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0;
    flex: 1;
}

.privacy-card-link {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
    margin: 0;
}

.privacy-card-date {
    font-size: 0.8rem;
    color: var(--text-lighter);
    margin: 0;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.contact-page {
    padding-top: 100px;
}

/* Icon Outline Styles */
.hero-badge i,
.platform-badge i,
.app-image i,
.btn i {
    font-weight: 300;
    -webkit-text-stroke: 1px currentColor;
    -webkit-text-fill-color: transparent;
}

/* Language selector icons - keep solid */
.lang-btn i {
    font-weight: 400;
    -webkit-text-stroke: none;
    -webkit-text-fill-color: currentColor;
}
.footer {
    background: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

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

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo .logo-image {
    height: 32px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

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

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-lighter);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .preview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .privacy-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Burger Menu Button */
.burger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s ease;
    gap: 5px;
    z-index: 1001;
}

.burger-btn:hover {
    background: rgba(65, 105, 225, 0.08);
}

.burger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
    transform-origin: center;
}

.burger-btn.open .burger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger-btn.open .burger-line:nth-child(2) {
    opacity: 0;
    width: 0;
}

.burger-btn.open .burger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    pointer-events: none;
}

.mobile-nav.open {
    pointer-events: all;
}

.mobile-nav-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-nav.open .mobile-nav-overlay {
    opacity: 1;
}

.mobile-nav-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.12);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow-y: auto;
}

.mobile-nav.open .mobile-nav-panel {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-logo img {
    height: 28px;
    width: auto;
}

.mobile-nav-close {
    width: 36px;
    height: 36px;
    background: var(--bg-light);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.mobile-nav-close:hover {
    background: var(--border-color);
}

.mobile-nav-close .icon {
    width: 18px;
    height: 18px;
}

.mobile-nav-links {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
}

.mobile-nav-links li a {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.mobile-nav-links li a:hover,
.mobile-nav-links li a.active {
    color: var(--primary-color);
    background: rgba(65, 105, 225, 0.06);
    border-left-color: var(--primary-color);
}

.mobile-nav-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

.mobile-lang-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 0.75rem;
}

/* Mobile Language Dropdown */
.mobile-lang-dropdown {
    position: relative;
}

.mobile-lang-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: all 0.2s ease;
}

.mobile-lang-trigger:hover {
    border-color: var(--primary-color);
    background: white;
}

.mobile-lang-trigger-left {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.mobile-lang-trigger-left .icon {
    width: 16px;
    height: 16px;
    color: var(--primary-color);
}

.mobile-lang-trigger-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile-lang-current-name {
    font-size: 0.85rem;
    color: var(--text-light);
}

.mobile-lang-chevron {
    width: 16px;
    height: 16px;
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.mobile-lang-dropdown.open .mobile-lang-chevron {
    transform: rotate(180deg);
}

.mobile-lang-options {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 -8px 24px rgba(0,0,0,0.1);
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.2s ease;
    pointer-events: none;
}

.mobile-lang-dropdown.open .mobile-lang-options {
    max-height: 260px;
    opacity: 1;
    pointer-events: all;
    overflow-y: auto;
}

.mobile-lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    transition: background 0.15s ease;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.mobile-lang-option:last-child {
    border-bottom: none;
}

.mobile-lang-option:hover {
    background: rgba(65, 105, 225, 0.06);
    color: var(--primary-color);
}

.mobile-lang-option.active {
    color: var(--primary-color);
    background: rgba(65, 105, 225, 0.06);
    font-weight: 600;
}

.mobile-lang-option-check {
    width: 14px;
    height: 14px;
    opacity: 0;
}

.mobile-lang-option.active .mobile-lang-option-check {
    opacity: 1;
}

@media (max-width: 768px) {
    .burger-btn {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }

    .nav-content {
        padding: 0.6rem 1.5rem;
        min-height: 56px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .logo-image {
        height: 28px;
    }
    
    .language-selector {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .stats-badges {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
    }
    
    .apps-grid {
        gap: 1.5rem;
    }
    
    .app-card {
        min-width: 300px;
        max-width: 300px;
        padding: 1.5rem;
    }
    
    .app-logo {
        width: 50px;
        height: 50px;
    }
    
    .app-logo .icon {
        font-size: 1.75rem;
    }
    
    .app-info h3 {
        font-size: 1rem;
    }
    
    .app-version {
        font-size: 0.8rem;
    }
    
    .carousel-controls {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
    
    .privacy-cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .privacy-card {
        padding: 1.5rem 1rem;
    }
    
    .privacy-card h4 {
        font-size: 1.1rem;
    }
    
    .privacy-policies-section {
        margin-top: 3rem;
        padding-top: 2rem;
    }
}

/* KDD26 Page Styles */
.kdd26-hero {
    padding: 160px 0 100px;
    background: linear-gradient(180deg, 
        rgba(224, 231, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 240, 245, 0.2) 100%);
    text-align: center;
    position: relative;
}

.kdd26-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.kdd26-logo {
    margin-bottom: 2rem;
}

.kdd26-logo-image {
    max-width: 600px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.kdd26-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.kdd26-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-weight: 400;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Add calendar icon */
.icon-calendar {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E");
}

/* Add play icon */
.icon-play {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpolygon points='5,3 19,12 5,21 5,3'/%3E%3C/svg%3E");
}

/* KDD26 Sections */
.kdd26-sections {
    padding: 80px 0;
    background: linear-gradient(180deg,
        rgba(240, 253, 244, 0.3) 0%,
        rgba(255, 255, 255, 0.8) 50%,
        rgba(254, 243, 199, 0.25) 100%);
}

.kdd26-section {
    margin-bottom: 5rem;
}

.kdd26-section:last-child {
    margin-bottom: 0;
}

.kdd26-carousel {
    position: relative;
    overflow: hidden;
    padding-top: 10px;
}

.kdd26-grid {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 1rem;
    padding-top: 10px;
}

.kdd26-grid::-webkit-scrollbar {
    display: none;
}

/* Video Cards */
.kdd26-video-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid var(--border-color);
    min-width: 400px;
    max-width: 400px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.kdd26-video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.video-thumbnail {
    width: 100%;
    height: 225px;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: #000;
}

.kdd26-video-card:hover .video-thumbnail img {
    transform: scale(1.02);
    transition: transform 0.3s ease;
}

/* Fallback gradients for videos without thumbnails */
.video-thumbnail-1:not(:has(img)) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.video-thumbnail-2:not(:has(img)) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.video-thumbnail-3:not(:has(img)) {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}



.play-button {
    display: none;
}

.video-content {
    padding: 1.25rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: auto;
}

.video-badge {
    display: none;
}

.video-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0;
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
}

.video-content p {
    color: var(--text-light);
    font-size: 0.88rem;
    line-height: 1.6;
    display: none;
}

/* Update Cards */
.kdd26-update-card {
    background: var(--white);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    min-width: 320px;
    max-width: 320px;
    flex-shrink: 0;
}

.kdd26-update-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.update-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.update-icon {
    width: 50px;
    height: 50px;
    background: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.update-icon .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.update-app-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.update-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.update-version {
    font-size: 0.75rem;
    color: var(--text-light);
    background: rgba(65, 105, 225, 0.08);
    padding: 0.25rem 0.65rem;
    border-radius: 12px;
    border: 1px solid rgba(65, 105, 225, 0.15);
    font-weight: 500;
}

.update-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.update-content li {
    padding: 0.5rem 0;
    color: var(--text-light);
    font-size: 0.9rem;
    position: relative;
    padding-left: 1.5rem;
}

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

/* Responsive adjustments for KDD26 page */
@media (max-width: 768px) {
    .kdd26-logo-image {
        max-width: 400px;
    }
    
    .kdd26-description {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .kdd26-sections {
        padding: 60px 0;
    }
    
    .kdd26-section {
        margin-bottom: 3rem;
    }
    
    .kdd26-grid {
        gap: 1.5rem;
    }
    
    .kdd26-video-card,
    .kdd26-update-card {
        min-width: 350px;
        max-width: 350px;
    }
    
    .video-thumbnail {
        height: 197px;
    }
}

@media (max-width: 480px) {
    .kdd26-logo-image {
        max-width: 320px;
    }
    
    .kdd26-description {
        font-size: 0.95rem;
    }
    
    .kdd26-video-card,
    .kdd26-update-card {
        min-width: 260px;
        max-width: 260px;
    }
}
/* Update Detail Page Styles */
.update-detail-section {
    padding: 160px 0 100px;
    background: linear-gradient(180deg,
        rgba(224, 231, 255, 0.3) 0%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 240, 245, 0.2) 100%);
    min-height: 100vh;
}

.update-detail-header {
    margin-bottom: 3rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--secondary-color);
}

.update-detail-info {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.update-detail-icon {
    width: 80px;
    height: 80px;
    background: transparent;
    border: 3px solid var(--primary-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.update-detail-icon .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.update-detail-icon .update-app-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 17px;
}

.update-detail-meta h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.update-detail-badges {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.update-version {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
}

.update-date {
    color: var(--text-light);
    font-size: 0.95rem;
}

.update-detail-content {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.update-description,
.update-features,
.update-app-info {
    margin-bottom: 2.5rem;
}

.update-description:last-child,
.update-features:last-child,
.update-app-info:last-child {
    margin-bottom: 0;
}

.update-detail-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--bg-light);
}

.update-description p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li {
    padding: 0.75rem 0;
    color: var(--text-light);
    font-size: 1rem;
    position: relative;
    padding-left: 2rem;
    line-height: 1.6;
}

.features-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.update-app-info p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.update-app-info strong {
    color: var(--text-dark);
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
}

.loading .icon {
    margin-right: 0.5rem;
}

/* Responsive adjustments for update detail page */
@media (max-width: 768px) {
    .update-detail-section {
        padding: 120px 0 60px;
    }
    
    .update-detail-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .update-detail-icon {
        width: 60px;
        height: 60px;
    }
    
    .update-detail-icon .icon {
        font-size: 2rem;
    }
    
    .update-detail-meta h1 {
        font-size: 2rem;
    }
    
    .update-detail-badges {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .update-detail-content {
        padding: 2rem 1.5rem;
    }
    
    .update-detail-content h2 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .update-detail-meta h1 {
        font-size: 1.8rem;
    }
    
    .update-detail-content {
        padding: 1.5rem 1rem;
    }
}
/* Community Actions Section */
.community-actions {
    padding: 80px 0;
    background: linear-gradient(180deg,
        rgba(237, 233, 254, 0.3) 0%,
        rgba(255, 255, 255, 0.9) 50%,
        rgba(224, 242, 254, 0.25) 100%);
}

.community-actions .section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.community-actions .section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.action-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.action-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

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

.action-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.action-icon .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.action-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.action-card p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 2rem;
    flex: 1;
}

.action-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.action-card:hover .action-button {
    color: var(--secondary-color);
}

.action-button .icon {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.action-card:hover .action-button .icon {
    transform: translateX(4px);
}

/* Add arrow right icon */
.icon-arrow-right {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12,5 19,12 12,19'/%3E%3C/svg%3E");
}

/* Video Modal Styles */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

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

.video-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    z-index: 10001;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.video-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
}

.video-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}

.video-modal-close .icon {
    font-size: 1.5rem;
    color: white;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

/* Responsive adjustments for video modal */
@media (max-width: 768px) {
    .video-modal-content {
        width: 95%;
    }
    
    .video-modal-close {
        top: -45px;
        width: 36px;
        height: 36px;
    }
    
    .video-modal-close .icon {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .video-modal-close {
        top: 10px;
        right: 10px;
        background: rgba(0, 0, 0, 0.7);
        border-color: rgba(255, 255, 255, 0.5);
    }
}

/* Responsive adjustments for community actions */
@media (max-width: 768px) {
    .community-actions {
        padding: 60px 0;
    }
    
    .action-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .action-card {
        padding: 2rem 1.5rem;
    }
    
    .action-icon .icon {
        font-size: 2rem;
    }
    
    .action-card h3 {
        font-size: 1.3rem;
    }
}


/* Early Access Page */
.early-access-page {
    padding-top: 80px;
}

.early-access-hero {
    background: transparent;
    padding: 80px 0 60px;
    text-align: center;
}

.early-access-hero .hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.early-access-hero .hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Benefits Section */
.benefits-section {
    padding: 80px 0;
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.benefit-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.benefit-card:hover {
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.benefit-icon .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.benefit-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.benefit-card p {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Form Section */
.early-access-form-section {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(237, 233, 254, 0.2) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.form-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.early-access-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(65, 105, 225, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group.checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-group.checkbox input {
    width: 20px;
    height: 20px;
    margin-top: 0.25rem;
    cursor: pointer;
    flex-shrink: 0;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-weight: 400;
    cursor: pointer;
    line-height: 1.5;
}

.apps-checkboxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-item input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-item label {
    cursor: pointer;
    font-weight: 400;
    margin-bottom: 0;
}

.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    margin-top: 1rem;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(65, 105, 225, 0.3);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Responsive adjustments for early access page */
@media (max-width: 768px) {
    .early-access-page {
        padding-top: 70px;
    }
    
    .early-access-hero {
        padding: 60px 0 40px;
    }
    
    .early-access-hero .hero-content h1 {
        font-size: 2rem;
    }
    
    .early-access-hero .hero-content p {
        font-size: 1rem;
    }
    
    .benefits-section {
        padding: 60px 0;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .early-access-form-section {
        padding: 60px 0;
    }
    
    .form-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
    
    .apps-checkboxes {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .early-access-hero .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .form-wrapper {
        padding: 1.5rem 1rem;
    }
    
    .form-header h2 {
        font-size: 1.3rem;
    }
    
    .benefit-card {
        padding: 2rem 1.5rem;
    }
}

/* Container responsive padding */
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }
    .nav-content {
        padding-left: 40px;
        padding-right: 40px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    .nav-content {
        padding-left: 20px;
        padding-right: 20px;
    }
    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }
    .stat-number {
        font-size: 2.5rem;
    }
}

/* FAQ Section */
.faq-section {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
    padding-bottom: 3rem;
}

.faq-section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    text-align: center;
}

.faq-section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.faq-item.open {
    border-color: var(--primary-color);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--white);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
    gap: 1rem;
    transition: background 0.2s ease;
}

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

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    width: 18px;
    height: 18px;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 1.5rem;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 768px) {
    .faq-section-title {
        font-size: 1.5rem;
    }
    .faq-question {
        font-size: 0.95rem;
        padding: 1rem 1.25rem;
    }
    .faq-item.open .faq-answer {
        padding: 0 1.25rem 1rem;
    }
}

/* ===== CTA Sections (Homepage) ===== */
.cta-sections {
    padding: 80px 0 100px;
    background: var(--white);
}

.cta-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.cta-block {
    padding: 2.75rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: background 0.2s ease;
}

.cta-block:hover {
    background: var(--bg-light);
}

.cta-block-icon {
    display: flex;
    align-items: center;
    color: var(--primary-color);
}

.cta-block-icon .icon {
    font-size: 2.25rem;
}

.cta-block-icon--green {
    color: #10b981;
}

.cta-block-body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}

.cta-block-body h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin: 0;
}

.cta-block-body > p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.65;
    margin: 0;
}

.cta-block-benefits {
    list-style: none;
    padding: 0;
    margin: 0.25rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.cta-block-benefits li {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.88rem;
    color: var(--text-light);
}

.cta-block-benefits li .icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--primary-color);
}

.cta-block:last-child .cta-block-benefits li .icon {
    color: #10b981;
}

.cta-block-footer {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.cta-block-note {
    font-size: 0.8rem;
    color: var(--text-lighter);
    font-weight: 500;
}

.cta-btn-green {
    background: #10b981;
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1.05rem;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.cta-btn-green:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}

.cta-divider {
    width: 1px;
    background: var(--border-color);
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .cta-sections {
        padding: 60px 0 80px;
    }

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

    .cta-divider {
        width: auto;
        height: 1px;
        margin: 0 2rem;
    }

    .cta-block {
        padding: 2rem 1.75rem;
    }

    .cta-block-body h3 {
        font-size: 1.2rem;
    }

    .cta-btn-green {
        width: 100%;
        text-align: center;
    }
}
/* ===== Testimonials Section ===== */
.testimonials {
    padding: 100px 0 60px;
    background: linear-gradient(180deg,
        rgba(237, 233, 254, 0.3) 0%,
        rgba(255, 255, 255, 0.9) 100%);
    overflow: hidden;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.testimonials-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 0.75rem;
}

.testimonials-track-wrapper {
    position: relative;
    overflow: hidden;
}

/* Fade edges */
.testimonials-track-wrapper::before,
.testimonials-track-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.testimonials-track-wrapper::before {
    left: 0;
    background: linear-gradient(to right, rgba(255,255,255,1), transparent);
}

.testimonials-track-wrapper::after {
    right: 0;
    background: linear-gradient(to left, rgba(255,255,255,1), transparent);
}

.testimonials-track {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 0.5rem 0;
}

.testimonials-row {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: marquee-left 40s linear infinite;
}

.testimonials-row-reverse {
    animation: marquee-right 45s linear infinite;
}

.testimonials-row:hover,
.testimonials-row-reverse:hover {
    animation-play-state: paused;
}

@keyframes marquee-left {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes marquee-right {
    0%   { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    width: 300px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.testimonial-stars {
    color: #f59e0b;
    font-size: 1rem;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-size: 0.92rem;
    color: var(--text-light);
    line-height: 1.65;
    flex: 1;
    margin: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.testimonial-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial-author div:last-child {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.testimonial-author strong {
    font-size: 0.88rem;
    color: var(--text-dark);
    font-weight: 600;
}

.testimonial-author span {
    font-size: 0.78rem;
    color: var(--text-lighter);
}

@media (max-width: 768px) {
    .testimonials {
        padding: 70px 0 40px;
    }

    .testimonial-card {
        width: 260px;
        padding: 1.25rem;
    }

    .testimonials-track-wrapper::before,
    .testimonials-track-wrapper::after {
        width: 60px;
    }
}

/* ===== Announcements Section ===== */
.announcements {
    padding: 120px 0;
    background: linear-gradient(180deg,
        rgba(254, 243, 199, 0.25) 0%,
        rgba(255, 255, 255, 0.9) 100%);
}

.announcements-carousel {
    overflow: hidden;
    padding-top: 8px;
}

.announcements-grid {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 1rem;
    padding-top: 4px;
}

.announcements-grid::-webkit-scrollbar { display: none; }

.ann-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    min-width: 400px;
    max-width: 400px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.ann-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.ann-thumb {
    width: 100%;
    height: 240px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Placeholder gradients matching video card style */
.ann-thumb-placeholder { width: 100%; height: 100%; display: block; }
.ann-thumb-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.ann-thumb-2 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.ann-thumb-3 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.ann-thumb-4 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.ann-thumb-5 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.ann-thumb-6 { background: linear-gradient(135deg, #30cfd0 0%, #330867 100%); }

.ann-content {
    padding: 1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.ann-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ann-date {
    font-size: 0.78rem;
    color: var(--text-lighter);
    font-weight: 500;
}

@media (max-width: 768px) {
    .ann-card {
        min-width: 350px;
        max-width: 350px;
    }

    .ann-thumb {
        height: 197px;
    }
}

/* ===== Announcement Detail Page ===== */
@keyframes spin { to { transform: rotate(360deg); } }

.ann-detail-page {
    padding-top: 80px;
    min-height: 80vh;
}

.ann-detail-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.ann-detail-error {
    padding: 120px 0 80px;
    text-align: center;
    color: var(--text-light);
}

#annArticle .container {
    max-width: 780px;
    padding-top: 100px;
    padding-bottom: 80px;
}

#annArticle .app-back-link {
    margin-bottom: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
    line-height: 1;
}

#annArticle .app-back-link:hover { color: var(--primary-color); }

#annArticle .app-back-link .icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}
}

.ann-detail-thumb {
    width: 100%;
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 4rem;
    max-height: 420px;
    display: block;
}

.ann-detail-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 24px;
}

.ann-detail-meta {
    text-align: center;
    margin-bottom: 0.75rem;
}

.ann-detail-date {
    font-size: 0.85rem;
    color: var(--text-lighter);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ann-detail-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.25;
    margin: 2.5rem 0 1.25rem;
}

.ann-detail-summary {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0 0 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.ann-detail-body {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.ann-detail-body h2 { font-size: 1.4rem; font-weight: 700; color: var(--text-dark); margin: 2rem 0 0.75rem; }
.ann-detail-body h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); margin: 1.5rem 0 0.5rem; }
.ann-detail-body h4 { font-size: 1.05rem; font-weight: 600; color: var(--text-dark); margin: 1.25rem 0 0.5rem; }
.ann-detail-body p  { margin: 0 0 1rem; }
.ann-detail-body ul, .ann-detail-body ol { padding-left: 1.5rem; margin: 0.5rem 0 1rem; }
.ann-detail-body li { margin-bottom: 0.4rem; }
.ann-detail-body a  { color: var(--primary-color); text-decoration: none; border-bottom: 1px solid rgba(65,105,225,0.3); }
.ann-detail-body a:hover { border-color: var(--primary-color); }
.ann-detail-body strong { color: var(--text-dark); font-weight: 600; }

@media (max-width: 768px) {
    #annArticle .container { padding-top: 80px; }
    .ann-detail-title { font-size: 1.75rem; }
    .ann-detail-summary { font-size: 1rem; }
}
