/* ==============================================
   JPNR DESIGN SYSTEM — Layout (Nav + Footer)
   ==============================================
   Global navigation and footer used on every page.
   ============================================== */

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: all var(--transition-base);
}

.nav--scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
    height: auto;
    min-height: var(--nav-height);
    padding: 8px 0;
}

/* Homepage: solid dark bar over split hero (light illustration on right) */
.page-home .nav:not(.nav--scrolled) {
    background: rgba(7, 13, 31, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav--scrolled .nav__logo-text,
.nav--scrolled .nav__link { color: var(--gray-900); }
.nav--scrolled .nav__link:hover { color: var(--primary-500); }
.nav--scrolled .nav__link--active { color: var(--primary-500); }

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.nav__logo {
    height: 42px;
    width: auto;
    display: block;
}

.nav__logo--full {
    display: none;
    height: 144px;
    width: auto;
    max-width: 640px;
    object-fit: contain;
    object-position: left center;
}

.nav--scrolled .nav__logo--full { display: block; }
.nav--scrolled .nav__logo--icon,
.nav--scrolled .nav__brand-text { display: none; }

.nav__brand-text { display: block; }

.nav__logo-text {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    transition: color var(--transition-base);
    letter-spacing: -0.5px;
}

.nav__logo-sub {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    opacity: 0.6;
    display: block;
    line-height: 1;
    margin-top: 1px;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-base);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after { width: 100%; }

.nav__link--active { color: var(--white); font-weight: 600; }
.nav--scrolled .nav__link--active { color: var(--primary-500); }

.nav__cta {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    background: var(--primary-500);
    padding: 10px 22px;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav__cta:hover {
    background: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.nav--scrolled .nav__toggle span { background: var(--gray-900); }

.nav__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Footer --- */
.footer {
    background: var(--gray-900);
    padding: 80px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 64px;
}

.footer__brand-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    margin: 20px 0 24px;
    max-width: 300px;
}

.footer__brand-link { display: inline-block; margin-bottom: 12px; }

.footer__tagline {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    letter-spacing: 0.2px;
}

.footer__inquiry {
    margin: 20px 0 16px;
    font-size: 14px;
    padding: 12px 24px;
    min-height: auto;
}

.footer__certs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.footer__certs span {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
}

.footer__logo {
    height: 36px;
    width: auto;
    display: block;
}

.footer__social { display: flex; gap: 12px; }

.footer__social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.footer__social-link:hover {
    background: var(--primary-500);
    transform: translateY(-2px);
}

.footer__social-link svg,
.footer__social-link i { width: 18px; height: 18px; color: rgba(255, 255, 255, 0.6); }
.footer__social-link:hover svg,
.footer__social-link:hover i { color: var(--white); }

.footer__contact-item svg,
.footer__contact-item i { width: 18px; height: 18px; color: var(--primary-500); margin-top: 3px; flex-shrink: 0; }

.footer__heading {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer__links { display: flex; flex-direction: column; gap: 14px; }

.footer__link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-base);
}

.footer__link:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.footer__contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--primary-500);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer__contact-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer__copyright { font-size: 13px; color: rgba(255, 255, 255, 0.4); }

.footer__legal { display: flex; gap: 24px; }
.footer__legal a { font-size: 13px; color: rgba(255, 255, 255, 0.4); transition: color var(--transition-base); }
.footer__legal a:hover { color: var(--white); }

/* --- Responsive: Nav + Footer --- */
@media (max-width: 1200px) {
    .footer__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .nav__menu { display: none; }
    .nav__cta { display: none; }
    .nav__toggle { display: flex; }

    .nav__menu.active {
        display: flex;
        position: fixed;
        inset: 0;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        z-index: 1000;
    }

    .nav__menu.active .nav__link { font-size: 24px; color: var(--white); }
    .nav__menu.active .nav__cta { display: inline-flex; font-size: 18px; padding: 14px 32px; }

    .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .footer__grid { grid-template-columns: 1fr; gap: 32px; }
}