/* Mobile-First Responsive Design */

/* Extra Large Screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 80px;
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Large Screens */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    
    .hero-content {
        gap: 40px;
    }
    
    .hero-title {
        font-size: 64px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* Medium Screens - Tablets */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
        padding: 0 15px;
    }
    
    /* Header */
    .header-content {
        padding: 15px 0;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    /* Hero Section */
    .hero {
        padding: 80px 0 60px;
        text-align: center;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 56px;
    }
    
    .hero-description {
        max-width: 100%;
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 30px;
    }
    
    /* Dashboard Preview */
    .dashboard-preview {
        max-width: 500px;
        margin: 0 auto;
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .testimonial-card {
        padding: 30px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* Small Screens - Mobile Landscape */
@media (max-width: 767px) {
    .container {
        max-width: 540px;
        padding: 0 15px;
    }
    
    /* Typography */
    .section-title {
        font-size: 36px;
    }
    
    .section-description {
        font-size: 16px;
    }
    
    /* Header */
    .logo {
        font-size: 20px;
    }
    
    .logo-img {
        width: 28px;
        height: 28px;
        margin-right: 8px;
    }
    
    /* Hero Section */
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero-title {
        font-size: 42px;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .btn {
        padding: 14px 28px;
        font-size: 15px;
        width: 100%;
        max-width: 280px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }
    
    .stat-item {
        text-align: center;
        align-items: center;
    }
    
    /* Dashboard Preview */
    .dashboard-header {
        padding: 15px;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .dashboard-controls {
        align-self: flex-end;
    }
    
    .dashboard-content {
        padding: 20px 15px;
    }
    
    .wallet-item {
        padding: 12px;
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .wallet-info {
        width: 100%;
    }
    
    .wallet-address {
        font-size: 11px;
        word-break: break-all;
    }
    
    /* Feature Cards */
    .feature-card {
        padding: 25px 20px;
    }
    
    .feature-icon {
        font-size: 40px;
        margin-bottom: 20px;
    }
    
    .feature-title {
        font-size: 20px;
    }
    
    /* Alert Items */
    .alert-item {
        padding: 12px;
        flex-direction: column;
        align-items: flex-start;