/* Reset and Base Styles */
* {
    --primary-color: #121A25;
    --secondary-color: #466278;
    --highlight-color: #31689f;
    --nav-highlight-color: #7db0e3;
    --negative-highlight-color: #0b1e30;
    --green-color: #499d43;
    --dark-green-color: #266b21;

    --shadow-color: rgba(0, 0, 0, 0.3);
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-padding-top: 4rem;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

.notification-content {
    cursor: pointer;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--primary-color);
    z-index: 1000;
    padding: 0.5rem 0;
    box-shadow: 0px 1px 5px var(--shadow-color);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo img {
    width: 130px;
    object-fit: contain;
}

.nav-logo h2 {
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0;
    text-transform: uppercase;
}

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

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: color 0.3s ease;
    text-transform: uppercase;
}

.nav-link:hover {
    color: var(--nav-highlight-color);
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: white;
    padding: 120px 0 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-animation img {
    width: 100%;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--negative-highlight-color);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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



/* Hero Animation */
.hero-animation {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.circle-line {
    position: relative;
    width: 300px;
    height: 300px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.moving-circle {
    --spinning-duration: 25s;
    position: absolute;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    margin-top: -25px;
    margin-left: -25px;
    animation: moveInCircle var(--spinning-duration) linear infinite;
    animation-duration: var(--spinning-duration);
}

.circle-1 {
    animation-delay: 0s;
}

.circle-2 {
    animation-delay: -5s;
}

.circle-3 {
    animation-delay: -10s;
}

.circle-4 {
    animation-delay: -15s;
}

.circle-5 {
    animation-delay: -20s;
}

.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.connection-lines line {
    stroke: url(#lineGradient);
    stroke-width: 1;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawLine 2s ease-out forwards;
}

@keyframes drawLine {
    0% {
        stroke-dashoffset: 100;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes moveInCircle {
    0% {
        transform: rotate(0deg) translateX(150px) rotate(0deg);
    }
    100% {
        transform: rotate(360deg) translateX(150px) rotate(-360deg);
    }
}

/* Section Headers */
.section {
    padding: 100px 0;
}

.section:nth-child(even) {
    background: #e9e9e9;
    box-shadow: inset 0px 0px 5px var(--shadow-color), inset 0px 0px 5px var(--shadow-color);
}

.section h2 {
    text-transform: uppercase;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.section-header p {
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

.service-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tier-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.tier-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.tier-card.featured {
    border-color: var(--highlight-color);
    transform: scale(1.05);
}

.tier-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--highlight-color);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.tier-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.tier-features {
    list-style: none;
    margin-bottom: 2rem;
}

.tier-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tier-features i {
    color: var(--green-color);
    font-size: 1.125rem;
}

/* Use Cases Section */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.use-case-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--green-color) 0%, var(--dark-green-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.use-case-icon i {
    font-size: 2rem;
    color: white;
}

.use-case-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.use-case-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Blockchain Section */
.blockchain-content {
    display: grid;
    gap: 4rem;
    align-items: center;
}

.blockchain-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.blockchain-text > p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.blockchain-benefits {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.benefit i {
    font-size: 1.5rem;
    color: var(--green-color);
    margin-top: 0.25rem;
}

.benefit h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.benefit p {
    color: #6b7280;
    line-height: 1.6;
}

/* Security Section */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.security-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.security-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.security-icon {
    width: 60px;
    height: 60px;
    background: var(--green-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.security-icon i {
    font-size: 1.5rem;
    color: white;
}

.security-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.security-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-header {
    text-align: center;
}

.contact-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.contact-header p {
    font-size: 1.125rem;
    color: #6b7280;
    line-height: 1.7;
}

.contact-form {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    width: 100%;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .section {
        padding: 50px 0;
    }

    .nav-logo {
        gap: 0.5rem;
    }

    .nav-logo img {
        width: 70px;
        height: 70px;
    }

    .nav-logo h2 {
        font-size: 1.3rem;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 86px;
        flex-direction: column;
        background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.4));
        background-color: var(--secondary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .circle-line {
        width: 250px;
        height: 250px;
    }

    .moving-circle {
        width: 16px;
        height: 16px;
        margin-top: -8px;
        margin-left: -8px;
    }

    @keyframes moveInCircle {
        0% {
            transform: rotate(0deg) translateX(125px) rotate(0deg);
        }
        100% {
            transform: rotate(360deg) translateX(125px) rotate(-360deg);
        }
    }

    .blockchain-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        max-width: 100%;
        padding: 0 1rem;
    }

    .contact-header h2 {
        font-size: 2rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .tier-card.featured {
        transform: none;
    }

    .service-tiers,
    .use-cases-grid,
    .security-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.9rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 30px 0;
    }

    .nav-menu {
        top: 76px;
    }

    .nav-logo {
        gap: 0.3rem;
    }

    .nav-logo img {
        width: 60px;
        height: 60px;
    }

    .nav-logo h2 {
        font-size: 1.1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .container {
        padding: 0 15px;
    }

    .contact-header h2 {
        font-size: 1.75rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Comparison Chart */
.comparison-toggle {
    text-align: center;
    margin: 3rem 0 2rem 0;
}

.comparison-chart {
    margin-top: 2rem;
    animation: fadeIn 0.5s ease-in;
}

.comparison-table {
    overflow-x: auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 1rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    color: rgb(0, 0, 0);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table th {
    background: rgba(255, 255, 255, 0.1);
    font-weight: 600;
    font-size: 1.1rem;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
}

.comparison-table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.text-success {
    color: #4CAF50 !important;
}

.text-muted {
    color: #9e9e9e !important;
}

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

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}