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

:root {
    --primary-color: #FF6B35;
    --secondary-color: #F7931E;
    --dark-color: #2C3E50;
    --light-color: #ECF0F1;
    --text-color: #34495E;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

.language-switcher {
    display: flex;
    align-items: center;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.lang-btn i {
    font-size: 1rem;
}

.lang-btn span {
    font-size: 0.9rem;
}

.nav-menu a.active {
    color: var(--primary-color);
    position: relative;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

/* ===== Hero Section ===== */
.hero {
    margin-top: 80px;
    background: var(--gradient);
    padding: 100px 0 50px;
    position: relative;
    overflow: hidden;
}

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

.hero-text h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0 10px;
    border-radius: 8px;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.stat h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.stat p {
    color: rgba(255, 255, 255, 0.8);
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--white);
    border-radius: 40px;
    padding: 15px;
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-preview {
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.app-preview i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}

/* ===== Features Section ===== */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

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

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

/* ===== How It Works Section ===== */
.how-it-works {
    padding: 100px 0;
    background: var(--light-color);
}

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

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-color);
}

/* ===== Screenshots Section ===== */
.screenshots {
    padding: 100px 0;
    background: var(--white);
}

.screenshots-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.screenshot-mockup {
    width: 200px;
    height: 400px;
    background: var(--gradient);
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin: 0 auto;
}

.screenshot-mockup i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.screenshot-mockup h4 {
    font-size: 1.2rem;
}

/* ===== Download Section ===== */
.download {
    padding: 100px 0;
    background: var(--dark-color);
}

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

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

.download-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn-store {
    background: var(--white);
    color: var(--dark-color);
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-store:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-store i {
    font-size: 2rem;
}

.btn-store small {
    display: block;
    font-size: 0.7rem;
}

.btn-store strong {
    font-size: 1.2rem;
}

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

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.5rem;
}

.info-item i {
    color: var(--secondary-color);
}

.download-mockup {
    width: 300px;
    height: 500px;
    background: var(--gradient);
    border-radius: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.download-mockup i {
    font-size: 8rem;
    color: var(--white);
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.contact-form {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

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

.footer-section ul li a:hover {
    color: var(--white);
}

.newsletter-form {
    display: flex;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 50px 0 0 50px;
}

.newsletter-form button {
    padding: 0.75rem 1.5rem;
    background: var(--gradient);
    border: none;
    border-radius: 0 50px 50px 0;
    color: var(--white);
    cursor: pointer;
}

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

/* ===== App Screenshots Styling ===== */
.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
    transition: transform 0.3s ease;
}

.phone-mockup {
    transition: transform 0.3s ease;
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(2deg) scale(1.05);
}

/* ===== Category Filters ===== */
.category-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ===== Screenshots Gallery ===== */
.screenshots-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.screenshot-card {
    background: var(--white);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid rgba(255, 107, 53, 0.1);
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    opacity: 1;
    transform: scale(1);
}

.screenshot-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

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

.screenshot-mockup {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    border-radius: 15px;
}

.screenshot-image {
    width: 100%;
    height: 250px;
    object-fit: contain;
    border-radius: 15px;
    transition: transform 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    background: #f8f9fa;
    padding: 10px;
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 107, 53, 0.9);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 15px;
}

.screenshot-mockup:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-overlay i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.screenshot-overlay span {
    font-weight: 600;
    font-size: 1rem;
}

.screenshot-card h4 {
    color: var(--dark-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem;
}

.screenshot-card p {
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* ===== Carousel Modal ===== */
.carousel-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

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

.carousel-container {
    background: var(--white);
    border-radius: 20px;
    max-width: 90vw;
    max-height: 90vh;
    width: 1000px;
    overflow: hidden;
    position: relative;
    animation: slideUp 0.3s ease;
}

.carousel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #eee;
    background: var(--white);
}

.carousel-header h3 {
    color: var(--dark-color);
    font-size: 1.5rem;
    margin: 0;
}

.carousel-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.carousel-close:hover {
    background: #f0f0f0;
    color: var(--primary-color);
}

.carousel-content {
    display: flex;
    align-items: center;
    padding: 2rem;
    position: relative;
}

.carousel-prev,
.carousel-next {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.carousel-prev {
    margin-right: 1rem;
}

.carousel-next {
    margin-left: 1rem;
}

.carousel-image-container {
    flex: 1;
    text-align: center;
    position: relative;
}

.carousel-image {
    max-width: 100%;
    max-height: 60vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.carousel-counter {
    position: absolute;
    bottom: -2rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.carousel-thumbnails {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: #f8f9fa;
    overflow-x: auto;
}

.carousel-thumbnail {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.carousel-thumbnail:hover,
.carousel-thumbnail.active {
    opacity: 1;
    border-color: var(--primary-color);
    transform: scale(1.1);
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== Enhanced Visual Effects ===== */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 107, 53, 0.1) 0%, rgba(247, 147, 30, 0.1) 100%);
    z-index: 1;
}

.feature-card {
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

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

.step {
    position: relative;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    z-index: -1;
}

.step:last-child::before {
    display: none;
}

/* ===== Improved Button Styles ===== */
.btn {
    position: relative;
    overflow: hidden;
}

.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;
}

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

/* ===== Enhanced Contact Section ===== */
.contact-item {
    transition: all 0.3s ease;
    padding: 1rem;
    border-radius: 10px;
}

.contact-item:hover {
    background: rgba(255, 107, 53, 0.05);
    transform: translateX(10px);
}

.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px) scale(1.1);
    color: var(--primary-color);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }
    
    .language-switcher {
        margin-top: 1rem;
    }

    .hero-content,
    .download-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-slider {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .screenshot-card {
        min-height: 300px;
    }
    
    .screenshot-image {
        height: 200px;
    }
    
    .category-filters {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .screenshots-gallery {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .carousel-container {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .carousel-content {
        padding: 1rem;
    }
    
    .carousel-prev,
    .carousel-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .carousel-thumbnails {
        padding: 0.5rem;
    }
    
    .carousel-thumbnail {
        width: 50px;
        height: 50px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

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

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

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }

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

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