/* /assets/css/layout.css */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-narrow {
    width: 100%;
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.stack > * + * {
    margin-top: var(--space-4);
}

.stack-lg > * + * {
    margin-top: var(--space-8);
}

.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Sections */
.section {
    padding: var(--space-16) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

/* Header */
.site-header {
    background: var(--c-white);
    border-bottom: var(--border-thick);
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--f-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--c-black);
    text-transform: uppercase;
    letter-spacing: -0.05em;
    text-decoration: none;
}
.logo span { color: var(--c-brand); }
.logo:hover { text-decoration: none; }

.logo-light { color: var(--c-white); }

/* Navigation */
.nav-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--c-black);
}

.main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--c-white);
    border-bottom: var(--border-thick);
    padding: var(--space-4);
}

.main-nav.is-open { display: block; }

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.nav-list a {
    color: var(--c-gray-900);
    font-weight: 700;
    text-transform: uppercase;
    font-size: var(--text-sm);
    text-decoration: none;
}
.nav-list a.is-active, .nav-list a:hover {
    color: var(--c-brand);
}

@media (min-width: 768px) {
    .nav-toggle { display: none; }
    .main-nav {
        display: block;
        position: static;
        width: auto;
        border: none;
        padding: 0;
    }
    .nav-list {
        flex-direction: row;
        align-items: center;
        gap: var(--space-6);
    }
}

/* Footer */
.site-footer {
    background: var(--c-black);
    color: var(--c-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    gap: var(--space-8);
    grid-template-columns: 1fr;
    margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer-heading {
    color: var(--c-white);
    font-size: var(--text-lg);
    border-bottom: 2px solid var(--c-brand);
    padding-bottom: var(--space-2);
    display: inline-block;
}

.footer-links a {
    color: var(--c-gray-200);
}
.footer-links a:hover {
    color: var(--c-white);
}

.footer-bottom {
    border-top: 1px solid var(--c-gray-700);
    padding-top: var(--space-8);
    text-align: center;
}