/* main.css */
@font-face {
    font-family: 'DM Serif Display';
    font-style: normal;
    font-weight: 400;
    src: url('../fonts/DMSerifDisplay-Regular.woff2') format('woff2');
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 100 900;
    src: url('../fonts/Inter-Variable.woff2') format('woff2');
    font-display: swap;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-text);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: 1.1;
    margin-top: 0;
    margin-bottom: var(--space-3);
    color: var(--color-brand-dark);
}

p {
    margin-top: 0;
    margin-bottom: var(--space-4);
}

a {
    color: var(--color-brand);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

a:hover {
    color: var(--color-brand-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-brand);
    color: white;
    padding: 8px;
    z-index: 101;
}
.skip-link:focus {
    top: 0;
}

.section {
    padding: var(--space-8) 0;
}
.section.bg-light {
    background-color: var(--color-brand-light);
}

.mt-4 { margin-top: var(--space-4); }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}
@media (min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}
@media (min-width: 768px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Header & Nav */
.site-header {
    background: var(--color-bg-card);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: var(--z-header);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-brand-dark);
}

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

.nav-item a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
}

.nav-item a:hover, .nav-item a.active {
    color: var(--color-brand);
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

/* Hero Section (Asymmetric) */
.hero.spread {
    padding: var(--space-12) 0;
    background: #fff;
    border-bottom: 2px solid var(--color-brand-dark);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    align-items: center;
}
@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1.2fr 0.8fr; /* Editorial asymmetry */
    }
}

.display-title {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.hero-lead {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 600px;
}

.cta-group {
    margin-top: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-brand);
    color: white;
    border-color: var(--color-brand);
}
.btn-primary:hover {
    background-color: var(--color-brand-dark);
    color: white;
}

.cta-note {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Stats Card (for Hero) */
.stats-card {
    background: var(--color-bg);
    padding: var(--space-4);
    border-left: 4px solid var(--color-brand);
    margin-bottom: var(--space-4);
}
.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    line-height: 1;
    color: var(--color-brand-dark);
}
.stat-label {
    display: block;
    font-size: 0.875rem;
    margin-top: var(--space-2);
}

/* Cards & Elements */
.card {
    background: var(--color-bg-card);
    padding: var(--space-5);
    border: 1px solid #e2e8f0;
}

.alert {
    padding: var(--space-4);
    border-left: 4px solid;
    margin-bottom: var(--space-4);
    background: var(--color-bg-card);
}
.alert-danger {
    border-color: var(--color-danger);
    background-color: var(--color-danger-light);
    color: #b71c1c;
}
.alert-warning {
    border-color: var(--color-warning);
    background-color: var(--color-warning-light);
    color: #e65100;
}

/* Lists and Tags */
.tag-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}
.tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid #cbd5e1;
    text-decoration: none;
    color: var(--color-brand-dark);
    font-weight: 500;
}
.tag:hover {
    border-color: var(--color-brand);
    background: var(--color-brand-light);
}

/* Directory specific */
.directory-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-top: var(--space-5);
}
@media (min-width: 768px) {
    .directory-grid { grid-template-columns: repeat(3, 1fr); }
}
.dir-group h3 {
    border-bottom: 2px solid var(--color-brand);
    padding-bottom: var(--space-2);
}
.dir-group ul {
    list-style: none;
    padding: 0;
}
.dir-group li {
    margin-bottom: var(--space-2);
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-bottom: var(--space-4);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}
.data-table th, .data-table td {
    padding: var(--space-3);
    border: 1px solid #cbd5e1;
    text-align: left;
}
.data-table th {
    background: var(--color-brand-light);
    font-family: var(--font-display);
}

/* Tools */
.interactive-tool {
    background: white;
    border: 1px solid #cbd5e1;
    padding: var(--space-5);
    margin: var(--space-6) 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}
.tool-header {
    margin-bottom: var(--space-4);
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: var(--space-2);
}
.tool-form-group {
    margin-bottom: var(--space-4);
}
.tool-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-2);
}
.tool-form-group select, .tool-form-group input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #cbd5e1;
    font-family: var(--font-text);
}
.tool-result {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg);
    border-left: 4px solid var(--color-brand);
}

/* Footer */
.site-footer {
    background: var(--color-brand-dark);
    color: white;
    padding: var(--space-8) 0 0 0;
    margin-top: var(--space-12);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}
@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.footer-heading {
    color: white;
    font-size: 1.25rem;
}
.footer-links {
    list-style: none;
    padding: 0;
}
.footer-links li {
    margin-bottom: var(--space-2);
}
.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
}
.footer-links a:hover {
    color: white;
    text-decoration: underline;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: var(--space-4) var(--space-4);
    text-align: center;
    color: #94a3b8;
    font-size: 0.875rem;
}
.bg-highlight {
    background-color: var(--color-brand-light);
    border-top: 1px solid #cbd5e1;
    border-bottom: 1px solid #cbd5e1;
}
.faq-item {
    margin-bottom: var(--space-4);
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: var(--space-3);
}
.faq-item h3 {
    margin-bottom: var(--space-2);
    font-size: 1.25rem;
}

.signature-motif {
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 600px;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}
.signature-motif svg {
    display: block;
    width: 100%;
    height: 100%;
}