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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #ffffff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo-img {
    height: 40px;
    width: auto;
}

.nav-logo h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1d1d1f;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    text-decoration: none;
    color: #1d1d1f;
    font-size: 16px;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #007aff;
}

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

.bar {
    width: 20px;
    height: 2px;
    background-color: #1d1d1f;
    margin: 2px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding-top: 60px;
}

.hero-container {
    max-width: 800px;
    padding: 0 20px;
}

.hero-logo {
    margin-bottom: 30px;
}

.logo-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 25px;
}

.hero-logo-img {
    width: 210px;
    height: 210px;
    object-fit: contain;
}

.hero-title {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #1d1d1f 0%, #007aff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 300;
    color: #86868b;
    margin-bottom: 30px;
}

.hero-description {
    font-size: 20px;
    color: #1d1d1f;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: #007aff;
    color: white;
    border: none;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 122, 255, 0.3);
}

.cta-button:hover {
    background: #0056cc;
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 122, 255, 0.4);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1d1d1f;
}

.section-subtitle {
    font-size: 24px;
    color: #86868b;
    font-weight: 300;
}

/* About Section */
.about {
    padding: 120px 0;
    background-color: #fbfbfd;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    margin-top: 60px;
}

.about-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: white;
}

.about-item h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1d1d1f;
}

.about-item p {
    font-size: 18px;
    color: #86868b;
    line-height: 1.6;
}

/* Support Section */
.support {
    padding: 120px 0;
    background-color: #ffffff;
}

.support-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    margin-top: 60px;
}

.support-info h3 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #1d1d1f;
}

.support-info p {
    font-size: 20px;
    color: #86868b;
    line-height: 1.6;
}

.contact-form-container {
    background: #fbfbfd;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 16px 20px;
    border: 2px solid #e5e5e7;
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    background-color: white;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007aff;
}

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

.submit-button {
    background: #007aff;
    color: white;
    border: none;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 500;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.submit-button:hover {
    background: #0056cc;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: #1d1d1f;
    color: white;
    padding: 60px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo h3 {
    font-size: 24px;
    font-weight: 600;
}

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

.footer-link {
    color: #86868b;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #007aff;
}

.footer p {
    color: #86868b;
    font-size: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 20px 0;
        gap: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 24px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .section-subtitle {
        font-size: 20px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .support-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .support-info h3 {
        font-size: 28px;
    }
    
    .support-info p {
        font-size: 18px;
    }
    
    .contact-form-container {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero-container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .nav-logo-img {
        height: 36px;
    }
    
    .logo-circle {
        width: 120px;
        height: 120px;
        padding: 20px;
    }
    
    .hero-logo-img {
        width: 80px;
        height: 80px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .about-item {
        padding: 30px 15px;
    }
    
    .contact-form-container {
        padding: 20px 15px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Success Message */
.success-message {
    background: #34c759;
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    display: none;
}

.error-message {
    background: #ff3b30;
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    display: none;
}