/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #334155;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #e0e7ff 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-icon {
    width: 2rem;
    height: 2rem;
    color: #2563eb;
    font-size: 2rem;
}

.nav-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
}

.nav-links {
    display: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #64748b;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2563eb;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #4338ca 100%);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: #374151;
    border: 2px solid #d1d5db;
}

.btn-secondary:hover {
    background: #f9fafb;
    border-color: #9ca3af;
}

.btn-light {
    background: white;
    color: #2563eb;
}

.btn-light:hover {
    background: #f8fafc;
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: white;
    color: #2563eb;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    text-align: center;
}

.hero-content {
    max-width: 4xl;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #dbeafe;
    color: #1e40af;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1e293b 0%, #1e40af 50%, #4f46e5 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
    max-width: 3xl;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 5rem;
    }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.25rem;
    color: #64748b;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.5);
}

.features-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

.feature-card {
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    color: #2563eb;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.feature-description {
    color: #64748b;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Modes Section */
.modes {
    padding: 5rem 0;
}

.modes-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.mode-card {
    backdrop-filter: blur(4px);
    border-radius: 1rem;
    overflow: hidden;
    padding: 2rem;
}

.mode-1 {
    background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
    border: 1px solid rgba(37, 99, 235, 0.5);
}

.mode-2 {
    background: linear-gradient(135deg, #fae8ff 0%, #fdf2f8 100%);
    border: 1px solid rgba(168, 85, 247, 0.5);
}

.mode-3 {
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdfa 100%);
    border: 1px solid rgba(16, 185, 129, 0.5);
}

.mode-content {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.mode-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.mode-1 .mode-badge {
    background: #dbeafe;
    color: #1e40af;
}

.mode-2 .mode-badge {
    background: #fae8ff;
    color: #7c3aed;
}

.mode-3 .mode-badge {
    background: #d1fae5;
    color: #059669;
}

.mode-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.mode-description {
    color: #64748b;
    margin-bottom: 1.5rem;
}

.mode-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mode-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mode-feature i {
    color: #10b981;
    width: 1.25rem;
}

.mode-visual {
    display: flex;
    justify-content: center;
}

.mode-icon {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 1rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.mode-icon i {
    font-size: 5rem;
}

.mode-1 .mode-icon i {
    color: #2563eb;
}

.mode-2 .mode-icon i {
    color: #7c3aed;
}

.mode-3 .mode-icon i {
    color: #10b981;
}

@media (min-width: 1024px) {
    .mode-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .mode-2 .mode-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .mode-2 .mode-info {
        order: 2;
    }
    
    .mode-2 .mode-visual {
        order: 1;
    }
}

/* Technology Section */
.tech {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.5);
}

.tech-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

.tech-card {
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2rem;
}

.tech-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.tech-icon {
    font-size: 2.5rem;
}

.tech-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tech-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tech-feature i {
    color: #10b981;
    width: 1rem;
}

@media (min-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Security Section */
.security {
    padding: 5rem 0;
}

.security-card {
    backdrop-filter: blur(4px);
    background: linear-gradient(135deg, #f8fafc 0%, #dbeafe 100%);
    border: 1px solid rgba(148, 163, 184, 0.5);
    border-radius: 1rem;
    max-width: 4xl;
    margin: 0 auto;
}

.security-content {
    padding: 2rem;
    display: grid;
    gap: 2rem;
    align-items: center;
}

.security-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.security-main-icon {
    font-size: 3rem;
    color: #2563eb;
}

.security-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
}

.security-subtitle {
    color: #64748b;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.security-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.security-feature i {
    color: #10b981;
    width: 1.25rem;
}

.security-visual {
    display: flex;
    justify-content: center;
}

.security-icon {
    position: relative;
    padding: 2rem;
    background: white;
    border-radius: 9999px;
}

.security-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    border-radius: 9999px;
    opacity: 0.25;
    filter: blur(16px);
}

.security-icon i {
    position: relative;
    font-size: 4rem;
    color: #2563eb;
}

@media (min-width: 768px) {
    .security-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.25rem;
    color: #bfdbfe;
    margin-bottom: 2rem;
    max-width: 2xl;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
    }
}

/* Footer */
.footer {
    padding: 3rem 0;
    background: #0f172a;
    color: white;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand i {
    font-size: 1.5rem;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
}

.footer-text {
    color: #94a3b8;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
    }
}

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

.feature-card,
.mode-card,
.tech-card,
.security-card {
    animation: fadeIn 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 767px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .mode-content {
        text-align: center;
    }
    
    .nav-content {
        flex-wrap: wrap;
        gap: 1rem;
    }
}