/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --accent: #f093fb;
    --text: #2d3748;
    --text-light: #718096;
    --bg: #ffffff;
    --bg-light: #f7fafc;
    --bg-dark: #1a202c;
    --border: #e2e8f0;
    --success: #48bb78;
    --warning: #ed8936;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.15);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    text-decoration: none;
    display: inline-block;
    transition: transform 0.2s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    cursor: pointer;
}

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

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 25px;
    transition: all 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.nav-links a:active,
.nav-links a.active {
    color: var(--primary);
    background: rgba(102, 126, 234, 0.15);
    font-weight: 700;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
}

.nav-links a.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow);
    padding: 0.75rem 1.5rem;
}

/* Ensure Get Started button doesn't get active state styling */
.nav-links a.btn-primary.active,
.nav-links a.btn-primary.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.nav-links a.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text);
    transition: all 0.3s;
}

/* Mobile Menu Active State */
@media (max-width: 968px) {
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: var(--shadow-lg);
        padding: 1.5rem;
        gap: 0.75rem;
        border-radius: 0 0 12px 12px;
    }
    
    .nav-links.active a {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 6rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.hero-image {
    position: relative;
}

.device-mockup {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: white;
    padding: 10px;
}

.device-mockup img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
}

.device-frame {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid var(--border);
    border-radius: 20px;
    pointer-events: none;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
}

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

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

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

.feature-card {
    padding: 2rem;
    border-radius: 12px;
    background: var(--bg-light);
    transition: all 0.3s;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

.feature-card-centered {
    grid-column: 2;
    justify-self: center;
    max-width: 300px;
}

@media (max-width: 1024px) {
    .feature-card-centered {
        grid-column: 1;
        justify-self: center;
    }
}

@media (max-width: 768px) {
    .feature-card-centered {
        grid-column: 1;
        justify-self: stretch;
        max-width: 100%;
    }
}

/* Translation Section */
.translation-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.translation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.translation-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.translation-feature {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.translation-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    line-height: 1;
}

.translation-feature h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.translation-feature p {
    color: var(--text-light);
    line-height: 1.8;
}

.translation-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.language-examples {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.language-example {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.language-example:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.language-label {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border);
}

.notification-preview {
    color: var(--text);
    line-height: 1.8;
}

.notification-preview p {
    margin-bottom: 0.5rem;
}

.notification-preview strong {
    color: var(--text);
    font-weight: 600;
}

.language-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
}

.language-stat {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-number-large {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label-large {
    font-size: 1rem;
    opacity: 0.95;
    font-weight: 600;
}

/* Responsive for Translation Section */
@media (max-width: 968px) {
    .translation-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .language-stats {
        grid-template-columns: 1fr;
    }
}

/* How It Works */
.how-it-works {
    padding: 6rem 0;
    background: var(--bg-light);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 2.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-lg);
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
}

.step-content p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Screenshots */
.screenshots {
    padding: 6rem 0;
    background: white;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.screenshot-item {
    position: relative;
}

.screenshot-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    background: white;
    cursor: pointer;
}

.screenshot-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.screenshot-img {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    transition: transform 0.3s;
    pointer-events: none; /* Prevent image from intercepting clicks */
    user-select: none;
    -webkit-user-drag: none;
}

.screenshot-img:hover {
    transform: scale(1.02);
}

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: white;
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s;
    pointer-events: none; /* Allow clicks to pass through overlay to card */
}

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

.screenshot-overlay h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.screenshot-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Benefits */
.benefits {
    padding: 6rem 0;
    background: var(--bg-light);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text);
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.benefit-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}

.benefit-item h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.benefit-item p {
    color: var(--text-light);
    line-height: 1.8;
}

.benefits-image .device-mockup {
    max-width: 400px;
    margin: 0 auto;
}

.device-frame.mobile {
    border-radius: 25px;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content > p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

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

.cta .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

.cta-info {
    margin-top: 2rem;
}

.cta-info a {
    color: white;
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-brand p {
    margin-top: 1rem;
    opacity: 0.8;
}

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

.footer-column h5 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .benefits-content {
        grid-template-columns: 1fr;
    }

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

    .nav-links {
        display: none;
    }
    
    .logo {
        font-size: 1.75rem;
    }

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

@media (max-width: 768px) {
    .hero {
        padding: 4rem 0;
        min-height: auto;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

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

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

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

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

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

    .cta-buttons .btn {
        width: 100%;
    }

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

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Image Placeholder Styling */
img {
    max-width: 100%;
    height: auto;
}

/* Fallback for missing images */
img[src=""],
img:not([src]),
img[src*="undefined"] {
    display: none;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border-radius: 12px;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.image-placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.image-placeholder-text {
    font-size: 1.1rem;
    font-weight: 600;
}

.image-placeholder-subtext {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    opacity: 0.7;
}

/* Hero image placeholder */
.hero-image .image-placeholder {
    height: 500px;
    border-radius: 20px;
}

/* Screenshot placeholders */
.screenshot-card .image-placeholder {
    height: 300px;
    border-radius: 12px;
}

/* Benefits image placeholder */
.benefits-image .image-placeholder {
    height: 400px;
    border-radius: 20px;
}

/* Image Lightbox Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.image-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 2001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

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

.modal-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    text-align: center;
    padding: 1rem 2rem;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 25px;
    backdrop-filter: blur(10px);
    max-width: 80%;
}

.modal-caption h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-caption p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

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

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Make hero images clickable too */
.hero-image img,
.benefits-image img {
    cursor: pointer;
    transition: transform 0.3s;
}

.hero-image img:hover,
.benefits-image img:hover {
    transform: scale(1.02);
}

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

.feature-card,
.screenshot-card,
.step {
    animation: fadeInUp 0.6s ease-out;
}