:root {
    --primary-color: #22c55e;
    --primary-dark: #16a34a;
    --primary-light: #86efac;
    --black: #000000;
    --text-dark: #000000;
    --text-light: #525252;
    --bg-light: #fafafa;
    --bg-white: #ffffff;
    --border-thick: 3px;
    --border-medium: 2px;
    --border-thin: 1px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: var(--bg-white);
    border-bottom: var(--border-thick) solid var(--black);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1.25rem 0;
}

.navbar .container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-svg {
    height: 60px;
    width: auto;
    display: block;
}

.logo-subtitle {
    height: 40px;
    width: auto;
    display: block;
    margin: 0 auto;
    justify-self: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
}

.nav-menu li {
    border-left: var(--border-medium) solid var(--black);
}

.nav-menu a {
    display: block;
    padding: 0.5rem 1.5rem;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: all 0.2s ease;
    background-color: var(--bg-white);
}

.nav-menu a:hover {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background-color: var(--black);
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2.5rem;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.15s ease;
    border: var(--border-thick) solid var(--black);
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

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

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

.btn-secondary {
    background-color: var(--bg-white);
    color: var(--black);
    border-color: var(--black);
}

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

/* Sections */
section {
    padding: 5rem 0;
    border-bottom: var(--border-thick) solid var(--black);
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--black);
    letter-spacing: -0.025em;
}

.section-title span {
    color: var(--primary-color);
}

.section-description {
    font-size: 1 rem;
    text-align: center;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 4rem;
    line-height: 1.45;
    font-weight: 500;
}

/* About Section */
.about {
    background-color: var(--bg-white);
    padding-top: 6rem;
}

/* Modules Section */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.module-card {
    background-color: var(--bg-white);
    padding: 2rem;
    transition: all 0.2s ease;
    border: var(--border-thick) solid var(--black);
    position: relative;
}

.module-card:hover {
    background-color: var(--bg-light);
    border-color: var(--primary-color);
}

.module-card.coming-soon {
    border-style: dashed;
    opacity: 0.7;
}

.module-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    border: var(--border-medium) solid var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--bg-white);
}

.module-icon svg {
    width: 36px;
    height: 36px;
    stroke-width: 2.5;
}

.module-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.875rem;
    color: var(--black);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.module-card:hover h3 {
    color: var(--primary-color);
}

.module-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-weight: 500;
    font-size: 0.9375rem;
}

.module-link {
    color: var(--black);
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    transition: all 0.2s ease;
    gap: 0.5rem;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    border-bottom: var(--border-medium) solid var(--primary-color);
    padding-bottom: 0.25rem;
}

.module-link:hover {
    color: var(--primary-color);
    gap: 0.75rem;
}

.badge {
    display: inline-block;
    background-color: var(--black);
    color: var(--bg-white);
    padding: 0.5rem 1rem;
    border: var(--border-medium) solid var(--black);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Contact Section */
.contact {
    background-color: var(--bg-white);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--bg-white);
    padding: 3rem;
    border: var(--border-thick) solid var(--black);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: var(--border-medium) solid var(--black);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    font-weight: 500;
    background-color: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--bg-light);
}

.contact-form .btn-primary {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--black);
    font-size: 0.875rem;
    padding: 1rem;
}

.contact-form .btn-primary:hover {
    background-color: var(--black);
    color: var(--bg-white);
}

/* Footer */
footer {
    background-color: var(--black);
    color: var(--bg-white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-section h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    font-weight: 900;
    letter-spacing: -0.025em;
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 600;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: var(--border-medium) solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .logo-subtitle {
        height: 30px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 69px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        border-bottom: var(--border-thick) solid var(--black);
        padding: 0;
    }

    .nav-menu li {
        border-left: none;
        border-top: var(--border-medium) solid var(--black);
    }

    .nav-menu li:first-child {
        border-top: none;
    }

    .nav-menu a {
        padding: 1.25rem 1.5rem;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .section-title {
        font-size: 2.25rem;
    }

    .modules-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-subtitle {
        height: 24px;
    }

    section {
        padding: 3rem 0;
    }

    .about {
        padding-top: 4rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

    .contact-form {
        padding: 2rem;
    }
}