/* ============================================================
   Skog & Stål — LAYOUT (header · nav · trust strip · footer)
   ============================================================ */

/* ===== Floating navbar ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-header);
    padding: 20px 0;
    transition: var(--transition-smooth);
}

header.scrolled {
    padding: 12px 0;
    background: var(--color-surface-glass-strong);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-nav);
}

.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--section-pad-x);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: var(--fw-black);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.logo-dot-green {
    width: 8px;
    height: 8px;
    background-color: var(--color-forest-light);
    border-radius: var(--radius-round);
    display: inline-block;
}

.logo-dot-orange {
    width: 8px;
    height: 8px;
    background-color: var(--color-welding);
    border-radius: var(--radius-round);
    display: inline-block;
    margin-left: -3px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: var(--fw-medium);
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    position: relative;
    padding: 5px 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-smooth);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
}

/* ===== Mobile menu drawer ===== */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-surface-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: var(--z-mobile-menu);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-overlay a {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: var(--fw-bold);
}

.close-menu {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
}

/* ===== Trust credentials strip ===== */
.trust-strip {
    background: var(--color-surface-glass-soft);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
    position: relative;
    z-index: var(--z-trust);
}

.trust-container {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 0 var(--section-pad-x);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-weight: var(--fw-medium);
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    background: var(--color-ink-002);
    border: 1px solid var(--color-border-faint);
}

.trust-item:hover {
    color: var(--color-text);
    background: var(--color-ink-005);
    border-color: var(--color-border);
    transform: translateY(-2px);
}

.trust-item svg {
    width: 20px;
    height: 20px;
    stroke-width: 2px;
}

.trust-item.green svg {
    color: var(--color-success);
    filter: drop-shadow(0 0 6px var(--color-forest-tint-strong));
}

.trust-item.orange svg {
    color: var(--color-amber);
    filter: drop-shadow(0 0 6px var(--color-welding-tint-strong));
}

/* ===== Footer ===== */
footer {
    background: var(--color-ink);
    color: var(--color-text-on-dark);
    border-top: 1px solid var(--color-border-on-dark);
    padding: 80px 20px 30px;
}

.footer-container {
    max-width: var(--container);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: var(--space-15);
}

.footer-brand p {
    color: var(--color-text-on-dark-muted);
    margin-top: var(--space-4);
    margin-bottom: var(--space-6);
    font-size: var(--fs-sm);
    max-width: 300px;
}

.footer-socials {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-round);
    background: var(--color-on-dark-003);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--color-text-on-dark-muted);
    border: 1px solid var(--color-border-on-dark);
}

.social-link:hover {
    color: var(--color-white);
    background: var(--color-on-dark-008);
    border-color: var(--color-border-on-dark-strong);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-h4);
    margin-bottom: var(--space-5);
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 30px;
    height: 2px;
    background: var(--color-white);
}

.footer-col ul li {
    margin-bottom: var(--space-3);
}

.footer-col ul li a {
    color: var(--color-text-on-dark-muted);
    font-size: var(--fs-sm);
}

.footer-col ul li a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer-contact-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-on-dark-muted);
    font-size: var(--fs-sm);
    margin-bottom: var(--space-3);
}

.footer-contact-list i {
    font-size: 1rem;
}

.footer-bottom {
    max-width: var(--container);
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid var(--color-border-on-dark);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--color-text-on-dark-muted);
    font-size: var(--fs-xs);
}

.footer-badge-list {
    display: flex;
    gap: 20px;
    align-items: center;
}