/* Global Styles */
:root {
    --primary-color: #6200ea;
    --secondary-color: #03dac6;
    --dark-color: #212121;
    --light-color: #f5f5f5;
    --gray-color: #757575;
    --white-color: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white-color);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-color);
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #4b00b5;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--primary-color);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
    cursor: pointer;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    box-shadow: var(--shadow);
}

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

.logo h1 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.lang-switcher {
    display: flex;
    gap: 10px;
}

.lang-btn {
    padding: 6px 12px;
    border: 1px solid var(--gray-color);
    background-color: transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

.lang-btn:hover:not(.active) {
    background-color: var(--light-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    background-color: var(--white-color);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    z-index: 999;
}

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

.mobile-link {
    display: block;
    padding: 15px 0;
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    border-bottom: 1px solid var(--light-color);
}

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

.mobile-lang-switcher {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4eaf1 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--gray-color);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    flex: 1;
}

.app-screenshot {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

/* About Section */
.about {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.about-item {
    text-align: center;
    padding: 30px;
    background-color: var(--white-color);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.about-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.about-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--primary-color);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-item {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(98, 0, 234, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* Team Section */
.team {
    padding: 100px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-member {
    text-align: center;
    padding: 20px;
    background-color: var(--white-color);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.member-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 4px solid var(--light-color);
}

.member-name {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.member-role {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Download Section */
.download {
    padding: 100px 0;
    background-color: var(--primary-color);
    color: var(--white-color);
    text-align: center;
}

.download .section-title,
.download .section-description {
    color: var(--white-color);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 30px;
    background-color: var(--white-color);
    color: var(--primary-color);
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

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

.download-small {
    font-size: 0.8rem;
    margin: 0;
}

.download-big {
    font-size: 1.2rem;
    margin: 0;
    color: var(--primary-color);
}

.download-btn.google {
    background-color: #4285f4;
    color: var(--white-color);
}

.download-btn.google .download-big {
    color: var(--white-color);
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--white-color);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--gray-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(98, 0, 234, 0.1);
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: 50px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo h2 {
    color: var(--white-color);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--light-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-social {
    display: flex;
    gap: 20px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white-color);
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--light-color);
    margin: 0;
}

.footer-policies {
    display: flex;
    gap: 20px;
}

.footer-policies a {
    color: var(--light-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn {
        width: 250px;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .about-grid,
    .features-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title,
.section-description {
    animation: fadeIn 0.8s ease-out;
}

.about-item,
.feature-item,
.team-member {
    animation: fadeIn 0.8s ease-out;
    animation-fill-mode: both;
}

.about-item:nth-child(2),
.feature-item:nth-child(2),
.team-member:nth-child(2) {
    animation-delay: 0.2s;
}

.about-item:nth-child(3),
.feature-item:nth-child(3),
.team-member:nth-child(3) {
    animation-delay: 0.4s;
}

.feature-item:nth-child(4),
.team-member:nth-child(4) {
    animation-delay: 0.6s;
}

.feature-item:nth-child(5) {
    animation-delay: 0.8s;
}

.feature-item:nth-child(6) {
    animation-delay: 1s;
}