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

:root {
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --dark-color: #202124;
    --light-bg: #f8f9fa;
    --text-color: #5f6368;
    --border-radius: 12px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

/* Header */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Language Switcher */
.language-switcher {
    margin-right: 1rem;
}

.lang-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.lang-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.lang-btn .flag {
    font-size: 1.2rem;
}

.lang-btn .lang-code {
    font-weight: bold;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 20px 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat center bottom;
    background-size: cover;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-content p {
    font-size: 1.3rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1.2s ease;
}

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.hero-image {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #2a2a2a 0%, #1a1a1a 100%);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.phone-screen i {
    font-size: 4rem;
    color: white;
    margin-bottom: 1rem;
}

.phone-screen span {
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-color);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

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

.feature-card p {
    color: var(--text-color);
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    padding: 80px 20px;
    background: white;
}

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

.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.screenshot-item {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.screenshot-item:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.screenshot-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
    transition: transform 0.3s ease;
}

.screenshot-item:hover img {
    transform: scale(1.05);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 20px;
    text-align: center;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 0 0 8px 8px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.screenshot-item:hover .screenshot-overlay {
    transform: translateY(0);
}

/* Image fallback styles */
.screenshot-item img:not([src]),
.screenshot-item img[src=""],
.screenshot-item img[src*="unsplash.com"]:not([src*="photo-"]) {
    display: none;
}

.screenshot-item img:not([src]) + .screenshot-overlay,
.screenshot-item img[src=""] + .screenshot-overlay,
.screenshot-item img[src*="unsplash.com"]:not([src*="photo-"]) + .screenshot-overlay {
    position: static;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: none;
    border-radius: 8px;
}

/* Videos Section */
.videos {
    padding: 80px 20px;
    background: white;
}

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

.video-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.video-item {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.video-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.video-thumbnail {
    position: relative;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-item:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(0,0,0,0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.video-play-button i {
    color: white;
    font-size: 2rem;
    margin-left: 5px;
}

.video-item:hover .video-play-button {
    background: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

/* Video Modal */
.video-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    backdrop-filter: blur(5px);
}

.video-modal-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 800px;
    height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.video-container iframe {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.video-modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 2001;
}

.video-modal-close:hover {
    color: var(--primary-color);
}

/* Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 800px;
    height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: var(--primary-color);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 15px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.5rem;
}

.lightbox-nav:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* FAQ Section */
.faq {
    padding: 80px 20px;
    background: var(--light-bg);
}

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

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
    font-weight: 600;
    color: var(--dark-color);
}

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

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

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

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-color);
    line-height: 1.6;
}

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

/* Download Section */
.download {
    padding: 80px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    position: relative;
}

.download h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download p {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    color: white;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    display: block;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Blog Section */
.blog-preview {
    padding: 80px 20px;
    background: var(--light-bg);
}

.blog-preview .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.blog-preview .section-title h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.blog-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.blog-preview-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.blog-preview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.blog-preview-card-image {
    height: 180px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
}

.blog-preview-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-preview-card-body {
    padding: 1.25rem;
}

.blog-preview-card-body .date {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 0.5rem;
}

.blog-preview-card-body h3 {
    font-size: 1.15rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.blog-preview-card-body p {
    font-size: 0.9rem;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-all-btn {
    display: block;
    text-align: center;
}

.blog-all-btn a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.blog-all-btn a:hover {
    background: #1557b0;
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .hero-image {
        margin-top: 3rem;
    }

    .download-stats {
        gap: 2rem;
    }

    .video-gallery {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .video-item {
        margin: 0 1rem;
    }

    .video-modal-content {
        width: 95%;
        padding: 10px;
    }

    .blog-preview-grid {
        grid-template-columns: 1fr;
    }
}