/* Shared top navigation menu for CORTEX RESEARCH GROUP */
.nav {
    justify-content: flex-start;
}

.nav .brand-name {
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: clamp(14px, 2.2vw, 34px);
    margin-left: auto;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-menu a {
    color: #444;
    text-decoration: none;
    font-size: clamp(14px, 1.6vw, 17px);
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: color 0.2s ease;
    position: relative;
}

.nav-menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: #000;
    transition: width 0.2s ease;
}

.nav-menu a:hover {
    color: #000;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a.active {
    color: #000;
}

.nav-menu a.active::after {
    width: 100%;
}

@media (max-width: 600px) {
    .nav {
        flex-wrap: wrap;
        gap: 10px;
    }
    .nav-menu {
        width: 100%;
        margin-left: 0;
        justify-content: center;
        gap: 16px;
    }
    .nav-menu a {
        font-size: 14px;
    }
}

/* ---- Global mobile overflow guard (applies to every page) ---- */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

*, *::before, *::after {
    box-sizing: border-box;
}

/* Keep all primary layout containers inside the viewport */
.nav, .hero, .social-links, .products-grid, .partners-grid,
.blog-container, .post-list, .back-link, .legal-links {
    max-width: 100%;
}

/* Hero heading/subtitle must wrap and stay inside the viewport */
.hero-text, .hero-subtitle, .blog-title, .product-name, .partner-name {
    max-width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* Full-width + centered so long titles wrap instead of overflowing right */
.hero-text {
    width: 100%;
    text-align: center;
    padding: 0 12px;
}

.hero-subtitle {
    width: 100%;
}

/* Brand name: stop forcing a width wider than the screen */
@media (max-width: 600px) {
    .nav .brand-name,
    .brand-name {
        white-space: normal;
        line-height: 1.1;
        word-break: break-word;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: clamp(15px, 5vw, 22px) !important;
    }
    /* Hard-cap hero heading so long titles never overflow the right edge */
    .hero-text {
        font-size: clamp(24px, 7vw, 32px) !important;
        width: 100% !important;
        text-align: center !important;
        padding: 0 14px !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
    }
}

/* Buttons must never overflow their container or the screen */
.join-button, .contact-button, .product-link, .read-more, .demo-cta {
    max-width: 100%;
}

@media (max-width: 480px) {
    .join-button, .contact-button {
        width: auto !important;
        min-width: min(220px, 86vw);
        max-width: 90vw;
        padding-left: 18px;
        padding-right: 18px;
    }
    .product-link {
        width: 100%;
        text-align: center;
        align-self: stretch;
    }
    .legal-links {
        flex-wrap: wrap;
        gap: 12px 16px;
        padding-left: 12px;
        padding-right: 12px;
    }
    .product-tags {
        gap: 6px;
    }
}