/* Base Styles with Mobile-First Approach */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2d3748;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    width: 100%;
}

/* Enhanced Button Styles for Mobile */
button, .cta-button {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    touch-action: manipulation;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Enhanced Touch Targets */
.cta-button, 
.language-selector select,
.footer-links a,
.nav-logo {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Improved Focus States for Accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Smooth Transitions */
* {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Color Variables */
:root {
    --primary-blue: #2563eb;
    --primary-green: #059669;
    --light-blue: #dbeafe;
    --light-green: #d1fae5;
    --dark-blue: #1e40af;
    --dark-green: #047857;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    --gradient-light: linear-gradient(135deg, var(--light-blue), var(--light-green));
}

/* Language Selector */
.language-selector {
    position: relative;
}

.language-selector select {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    min-height: 44px;
    min-width: 120px;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 8px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 32px;
}

.language-selector select:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px -1px rgba(37, 99, 235, 0.2);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 999;
    padding: 10px 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    min-height: 44px;
    padding: 5px;
    z-index: 1001;
}

.nav-logo i {
    margin-right: 8px;
    font-size: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Desktop Navigation */
.nav-desktop {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
    position: relative;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-radius: 0 0 12px 12px;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.mobile-menu.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.mobile-menu-content {
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-language-selector label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    font-size: 14px;
}

.mobile-language-selector select {
    width: 100%;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 16px;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

.mobile-cta {
    width: 100%;
    justify-content: center;
    padding: 15px;
    font-size: 16px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-light);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="150" fill="url(%23a)"/><circle cx="800" cy="300" r="100" fill="url(%23a)"/><circle cx="600" cy="700" r="120" fill="url(%23a)"/></svg>');
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-text {
    flex: 1;
    min-width: 300px;
    position: relative;
    z-index: 10;
}

.hero-visual {
    flex: 1;
    min-width: 300px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    animation: slideUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 30px;
    animation: slideUp 1s ease-out 0.2s both;
}

.cta-button {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    animation: slideUp 1s ease-out 0.4s both;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    white-space: nowrap;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.floating-card {
    position: absolute;
    background: var(--white);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: floatingCard 3s ease-in-out infinite;
    will-change: transform;
    z-index: 1;
}

.floating-card:nth-child(1) {
    top: 30px;
    left: 20px;
}

.floating-card:nth-child(2) {
    top: 120px;
    right: 20px;
}

.floating-card:nth-child(3) {
    bottom: 60px;
    left: 60px;
}

@keyframes floatingCard {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(2deg);
    }
}

.card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 60px;
}

.card-content i {
    font-size: 20px;
    color: var(--primary-blue);
}

.card-content span {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
    text-align: center;
    white-space: nowrap;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.section-content {
    font-size: 1.2rem;
    text-align: center;
    color: var(--gray-600);
    max-width: 800px;
    margin: 0 auto 60px;
}

/* Problem Section */
.problem {
    background: var(--white);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.problem-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: 16px;
    background: var(--gray-50);
    transition: transform 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-10px);
}

.problem-item i {
    font-size: 48px;
    color: #ef4444;
    margin-bottom: 20px;
}

.problem-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--gray-900);
}

.problem-item p {
    color: var(--gray-600);
}

/* Solution Section */
.solution {
    background: var(--gradient-light);
}

.solution-visual {
    display: flex;
    justify-content: center;
    margin-top: 60px;
}

.blockchain-animation {
    display: flex;
    align-items: center;
    gap: 20px;
}

.block {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 12px;
    position: relative;
    animation: pulse 2s ease-in-out infinite;
}

.block:nth-child(2) {
    animation-delay: 0.5s;
}

.block:nth-child(3) {
    animation-delay: 1s;
}

.connection {
    width: 40px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 2px;
    animation: glow 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-blue);
    }
    50% {
        box-shadow: 0 0 20px var(--primary-blue);
    }
}

/* Features Section */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: var(--primary-blue);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--gray-900);
}

.feature-card p {
    color: var(--gray-600);
}

/* How It Works Section */
.how-it-works {
    background: var(--gray-50);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 60px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 200px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.step-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--gray-900);
    text-align: center;
}

.step-content p {
    color: var(--gray-600);
    text-align: center;
}

.step-arrow {
    font-size: 24px;
    color: var(--primary-blue);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10px);
    }
}

/* Community Support Section */
.community-support {
    background: var(--white);
}

.testimonial {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.testimonial blockquote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--gray-600);
    position: relative;
    padding: 40px;
}

.testimonial blockquote::before {
    content: '"';
    font-size: 80px;
    color: var(--primary-blue);
    position: absolute;
    top: -10px;
    left: 10px;
    opacity: 0.3;
}

.testimonial cite {
    font-size: 1.1rem;
    color: var(--primary-blue);
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.wishlist-form {
    display: flex;
    gap: 15px;
    max-width: 400px;
    margin: 0 auto;
}

.wishlist-form input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
}

.wishlist-form button {
    background: var(--white);
    color: var(--primary-blue);
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.wishlist-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
}

.footer-logo i {
    margin-right: 10px;
    font-size: 28px;
    color: var(--primary-green);
}

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

.footer-links a {
    color: var(--white);
    font-size: 24px;
    transition: color 0.3s ease;
}

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

.footer-mission {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--gray-600);
    color: var(--gray-300);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--white);
    margin: 15% auto;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
    animation: slideIn 0.3s ease;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: var(--gray-600);
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 20px;
    cursor: pointer;
}

.close:hover {
    color: var(--gray-900);
}

.modal-content h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.modal-content p {
    color: var(--gray-600);
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content {
        gap: 40px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-logo {
        font-size: 18px;
    }
    
    .nav-logo i {
        font-size: 22px;
        margin-right: 6px;
    }
    
    /* Hide desktop navigation */
    .nav-desktop {
        display: none;
    }
    
    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Show mobile menu */
    .mobile-menu {
        display: block;
    }
    
    .hero {
        min-height: 90vh;
        padding-top: 80px;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
        padding: 0 15px;
    }
    
    .hero-text {
        order: 1;
    }
    
    .hero-visual {
        order: 2;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 25px;
    }
    
    .hero-visual {
        height: 300px;
        margin-top: 20px;
    }
    
    .floating-card {
        padding: 15px;
        z-index: 1;
    }
    
    .floating-card:nth-child(1) {
        top: 30px;
        left: 20px;
    }
    
    .floating-card:nth-child(2) {
        top: 120px;
        right: 15px;
    }
    
    .floating-card:nth-child(3) {
        bottom: 50px;
        left: 50px;
    }
    
    .card-content i {
        font-size: 20px;
    }
    
    .card-content span {
        font-size: 12px;
    }
    
    .nav-links {
        display: none;
    }
    
    .section-title {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }
    
    .section-content {
        font-size: 1.1rem;
        margin-bottom: 40px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 40px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .feature-icon {
        width: 70px;
        height: 70px;
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 40px;
    }
    
    .problem-item {
        padding: 30px 15px;
    }
    
    .problem-item i {
        font-size: 40px;
    }
    
    .problem-item h3 {
        font-size: 1.3rem;
    }
    
    .steps-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .step {
        max-width: 250px;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: 15px 0;
    }
    
    .cta-content h2 {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }
    
    .cta-content p {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
        display: block;
    }
    
    .wishlist-form {
        flex-direction: column;
        max-width: 300px;
        gap: 12px;
    }
    
    .wishlist-form input {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
    
    .wishlist-form button {
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-logo {
        font-size: 20px;
    }
    
    .footer-logo i {
        font-size: 24px;
    }
    
    .footer-links a {
        font-size: 20px;
    }
    
    .blockchain-animation {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .block {
        width: 60px;
        height: 60px;
    }
    
    .connection {
        width: 30px;
        height: 3px;
    }
    
    .testimonial blockquote {
        font-size: 1.3rem;
        padding: 30px 20px;
    }
    
    .testimonial blockquote::before {
        font-size: 60px;
        top: -5px;
        left: 5px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .nav-container {
        padding: 0 12px;
    }
    
    .hero-content {
        padding: 0 12px;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-content {
        font-size: 1rem;
    }
    
    .cta-content h2 {
        font-size: 1.8rem;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
    
    .language-selector {
        top: 10px;
        right: 10px;
    }
    
    .language-selector select {
        font-size: 12px;
        padding: 5px 8px;
        min-width: 100px;
    }
    
    .hero-visual {
        height: 250px;
    }
    
    .floating-card {
        padding: 12px;
        z-index: 1;
    }
    
    .card-content i {
        font-size: 18px;
    }
    
    .card-content span {
        font-size: 11px;
    }
    
    .feature-card {
        padding: 25px 15px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .feature-card h3 {
        font-size: 1.2rem;
    }
    
    .problem-item {
        padding: 25px 12px;
    }
    
    .problem-item i {
        font-size: 36px;
    }
    
    .problem-item h3 {
        font-size: 1.2rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .step-content h3 {
        font-size: 1.1rem;
    }
    
    .cta-button {
        padding: 10px 25px;
        font-size: 0.95rem;
    }
    
    .modal-content {
        padding: 30px 20px;
        margin: 20% auto;
    }
    
    .modal-content h3 {
        font-size: 1.5rem;
    }
    
    .modal-content p {
        font-size: 1rem;
    }
    
    .blockchain-animation {
        gap: 10px;
    }
    
    .block {
        width: 50px;
        height: 50px;
    }
    
    .connection {
        width: 25px;
        height: 2px;
    }
    
    .testimonial blockquote {
        font-size: 1.1rem;
        padding: 20px 15px;
    }
    
    .testimonial blockquote::before {
        font-size: 50px;
    }
    
    .testimonial cite {
        font-size: 1rem;
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: 1.7rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .cta-content h2 {
        font-size: 1.6rem;
    }
    
    .feature-card {
        padding: 20px 12px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .floating-card {
        padding: 10px;
        z-index: 1;
    }
    
    .hero-visual {
        height: 200px;
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* RTL Language Support */
[dir="rtl"] {
    direction: rtl;
}

[dir="rtl"] .nav-logo i {
    margin-right: 0;
    margin-left: 8px;
}

[dir="rtl"] .nav-desktop {
    flex-direction: row-reverse;
}

[dir="rtl"] .hero-content {
    flex-direction: row-reverse;
}

[dir="rtl"] .footer-content {
    flex-direction: row-reverse;
}

[dir="rtl"] .feature-card {
    text-align: right;
}

[dir="rtl"] .hero-text {
    text-align: right;
}

[dir="rtl"] .cta-content {
    text-align: right;
}

@media (max-width: 768px) {
    [dir="rtl"] .hero-content {
        flex-direction: column;
    }
    
    [dir="rtl"] .footer-content {
        flex-direction: column;
    }
}

/* Enhanced Language Selector */
.language-selector select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.language-selector select option {
    padding: 8px;
    font-weight: 500;
}

.mobile-language-selector select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal Responsive Design */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        width: 90%;
        max-width: 400px;
    }
}

/* Accessibility Improvements */
.language-selector select:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Language-specific font adjustments */
[lang="ar"], [lang="ar"] * {
    font-family: 'Inter', 'Segoe UI', 'Tahoma', 'Arial Unicode MS', sans-serif;
}

[lang="zh"], [lang="zh"] * {
    font-family: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

[lang="ja"], [lang="ja"] * {
    font-family: 'Inter', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
}

[lang="ko"], [lang="ko"] * {
    font-family: 'Inter', 'Malgun Gothic', 'Apple Gothic', 'Dotum', sans-serif;
}

[lang="hi"], [lang="hi"] * {
    font-family: 'Inter', 'Noto Sans Devanagari', 'Mangal', 'Devanagari Sangam MN', sans-serif;
}

/* Print Styles */
@media print {
    .language-selector,
    .modal {
        display: none !important;
    }
}