/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: var(--text);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--primary);
    text-shadow: 0 2px 4px rgba(45, 127, 131, 0.1);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

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

/* Global Buttons */
.btn-primary {
    background: var(--primary);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(45, 127, 131, 0.2);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(45, 127, 131, 0.3);
}

.btn-download-small {
    background: var(--primary);
    color: var(--white);
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-download-small:hover {
    transform: scale(1.05);
}

/* Footer */
footer {
    padding: 4rem 2rem;
    background: var(--text);
    color: var(--white);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--white);
    border-radius: 28px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--background);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-body {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--background);
    display: flex;
    justify-content: flex-end;
}

/* Button & Status Utilities */
#submit-btn {
    position: relative;
    overflow: hidden;
}

#submit-btn.loading .btn-text,
#submit-btn.loading .btn-icon {
    visibility: hidden;
    opacity: 0;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background: #ecfdf5;
    color: #10b981;
    border: 1px solid #10b981;
}

.form-status.error {
    display: block;
    background: #fef2f2;
    color: #ef4444;
    border: 1px solid #ef4444;
}

/* Responsive Shared */
@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }
}