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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

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

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

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

.cta-button {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fef3c7;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.primary-btn {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-block;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.4);
}

.primary-btn.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.secondary-btn {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.secondary-btn:hover {
    background: var(--primary);
    color: white;
}

/* Card Mockup */
.hero-visual {
    position: relative;
}

.card-mockup {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    animation: float 6s ease-in-out infinite;
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-title {
    font-weight: 700;
    font-size: 1.25rem;
}

.secure-badge {
    background: #dcfce7;
    color: #16a34a;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
}

.conversion-display {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.conversion-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.converted-amount {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.converted-amount .label {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 500;
}

.converted-amount .amount {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
}

.converted-amount .rate {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

.transfer-btn {
    width: 100%;
    background: var(--gradient);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: var(--dark);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.step-card {
    background: var(--light);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 35px;
    height: 35px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.step-icon svg {
    stroke: var(--primary);
}

.step-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.step-card p {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.5;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 16px;
    background: var(--light);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.feature-icon svg {
    stroke: var(--primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* Security Section */
.security {
    padding: 80px 0;
    background: var(--dark);
    color: white;
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.security-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.security-item {
    display: flex;
    gap: 1rem;
}

.check-icon {
    width: 28px;
    height: 28px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 700;
}

.security-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.security-item p {
    color: var(--gray);
    font-size: 0.95rem;
}

.encryption-box {
    background: var(--dark-light);
    padding: 3rem;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.lock-icon {
    font-size: 4rem;
    animation: pulse 2s ease-in-out infinite;
}

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

.encryption-text {
    width: 100%;
}

.encrypted-line {
    height: 12px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 6px;
    margin-bottom: 1rem;
    animation: shimmer 2s infinite;
}

.encrypted-line.short {
    width: 60%;
}

@keyframes shimmer {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

/* Trust Section */
.trust {
    padding: 80px 0;
    background: var(--light);
}

.trust-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
    margin-top: 3rem;
}

.sentriom-badge {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.sentriom-badge h3 {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.sentriom-badge p {
    color: var(--gray);
    font-weight: 600;
    margin-bottom: 1rem;
}

.sentriom-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    transition: transform 0.3s;
}

.sentriom-link:hover {
    transform: translateX(5px);
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--gray);
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--gradient);
    color: white;
}

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

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-content .primary-btn {
    background: white;
    color: var(--primary);
    text-decoration: none;
    display: inline-block;
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-section p {
    color: var(--gray);
    margin-top: 1rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-light);
    color: var(--gray);
}

.powered-by {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray);
    font-style: italic;
}

.footer-tags {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.footer-tags a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-tags a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.footer-tags span {
    color: var(--gray);
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-content {
        padding: 0.75rem 0;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .logo img {
        width: 35px;
        height: 35px;
    }
    
    .cta-button {
        padding: 0.6rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content,
    .security-content,
    .trust-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-text h1 {
        font-size: 2.25rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .trust-badge {
        font-size: 0.85rem;
        padding: 0.4rem 0.85rem;
    }
    
    .cta-group {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .primary-btn,
    .secondary-btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .card-mockup {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 1.85rem;
        margin-bottom: 2rem;
    }
    
    .features,
    .security,
    .trust,
    .cta-section {
        padding: 60px 0;
    }
    
    .step-arrow {
        display: none;
    }
    
    .steps-container {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .step-card {
        max-width: 100%;
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .security-text h2 {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .security-item {
        gap: 0.75rem;
    }
    
    .encryption-box {
        padding: 2rem;
    }
    
    .lock-icon {
        font-size: 3rem;
    }
    
    .trust-content {
        grid-template-columns: 1fr;
    }
    
    .trust-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stat h3 {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-tags {
        font-size: 0.85rem;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .logo {
        font-size: 1.1rem;
    }
    
    .logo img {
        width: 30px;
        height: 30px;
    }
    
    .cta-button {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .hero {
        padding: 90px 0 50px;
    }
    
    .hero-text h1 {
        font-size: 1.85rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .trust-badge {
        font-size: 0.8rem;
        padding: 0.35rem 0.75rem;
    }
    
    .primary-btn,
    .secondary-btn {
        padding: 0.85rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .primary-btn.large {
        padding: 1rem 1.75rem;
        font-size: 1rem;
    }
    
    .card-mockup {
        padding: 1.25rem;
        border-radius: 16px;
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    .secure-badge {
        font-size: 0.75rem;
        padding: 0.2rem 0.6rem;
    }
    
    .input-group label {
        font-size: 0.85rem;
    }
    
    .input-group input {
        padding: 0.65rem;
        font-size: 0.95rem;
    }
    
    .converted-amount .amount {
        font-size: 1.5rem;
    }
    
    .converted-amount .rate {
        font-size: 0.75rem;
    }
    
    .section-title {
        font-size: 1.65rem;
        margin-bottom: 1.75rem;
    }
    
    .features,
    .security,
    .trust,
    .cta-section {
        padding: 50px 0;
    }
    
    .step-card {
        padding: 1.5rem;
    }
    
    .step-number {
        width: 30px;
        height: 30px;
        font-size: 1rem;
        top: -12px;
    }
    
    .step-icon {
        margin-bottom: 0.75rem;
    }
    
    .step-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .step-card h3 {
        font-size: 1rem;
    }
    
    .step-card p {
        font-size: 0.85rem;
    }
    
    .feature-card {
        padding: 1.25rem;
    }
    
    .feature-icon svg {
        width: 48px;
        height: 48px;
    }
    
    .feature-card h3 {
        font-size: 1.1rem;
    }
    
    .feature-card p {
        font-size: 0.9rem;
    }
    
    .security-text h2 {
        font-size: 1.75rem;
    }
    
    .security-item h4 {
        font-size: 1rem;
    }
    
    .security-item p {
        font-size: 0.85rem;
    }
    
    .check-icon {
        width: 24px;
        height: 24px;
        font-size: 0.85rem;
    }
    
    .encryption-box {
        padding: 1.5rem;
    }
    
    .lock-icon {
        font-size: 2.5rem;
    }
    
    .encrypted-line {
        height: 10px;
        margin-bottom: 0.75rem;
    }
    
    .sentriom-badge {
        padding: 2rem;
    }
    
    .sentriom-badge h3 {
        font-size: 1.65rem;
    }
    
    .sentriom-badge p {
        font-size: 0.9rem;
    }
    
    .sentriom-link {
        font-size: 0.9rem;
    }
    
    .stat h3 {
        font-size: 1.75rem;
    }
    
    .stat p {
        font-size: 0.9rem;
    }
    
    .cta-content h2 {
        font-size: 1.75rem;
    }
    
    .cta-content p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .footer-logo {
        font-size: 1.25rem;
    }
    
    .footer-logo img {
        width: 35px;
        height: 35px;
    }
    
    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }
    
    .footer-section ul li {
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
    }
    
    .footer-section p {
        font-size: 0.9rem;
    }
    
    .footer-bottom p {
        font-size: 0.85rem;
    }
    
    .powered-by {
        font-size: 0.85rem;
    }
    
    .footer-tags {
        font-size: 0.8rem;
        gap: 0.4rem;
    }
}

@media (max-width: 360px) {
    .hero-text h1 {
        font-size: 1.65rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .card-mockup {
        padding: 1rem;
    }
    
    .step-card,
    .feature-card {
        padding: 1rem;
    }
}