@font-face {
    font-family: 'Terminal Grotesque';
    src: url('assets/fonts/terminal-grotesque.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Steps Mono';
    src: url('assets/fonts/Steps-Mono-Thin.otf') format('opentype');
    font-weight: 100;
    font-style: normal;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #8B7355;
    color: #f5f1e8;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 4px 0;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid #fbbf24;
    outline-offset: 2px;
}

/* Focus indicators for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid #8B7355;
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid #8B7355;
    outline-offset: 2px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
}

.icon-large {
    width: 28px;
    height: 28px;
}

/* Hero Section */
.hero {
    background: url('assets/asset_1.svg') center/cover;
    color: #1a1a1a;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 40px 20px;
    text-align: left;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(201, 184, 150, 0.15);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content-box {
    background: rgba(255, 255, 255, 0.92);
    padding: 50px;
    border-radius: 12px;
    border: 2px solid rgba(139, 115, 85, 0.3);
    box-shadow: 0 8px 32px rgba(139, 115, 85, 0.15);
    backdrop-filter: blur(10px);
    max-width: 900px;
}

.hero-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.badge {
    display: inline-block;
    background: transparent;
    border: 2px solid #8B7355;
    color: #5a4a3a;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-family: 'Terminal Grotesque', monospace;
    font-size: 3.2rem;
    margin-bottom: 15px;
    font-weight: 400;
    line-height: 1.3;
}

.hero h1 .title-main {
    font-family: 'Steps Mono', monospace;
    display: block;
    font-size: 2.2rem;
    font-weight: 100;
    color: #8B7355;
    margin-top: 10px;
}

.hero-description {
    font-size: 1.1rem;
    color: #4a4a4a;
    margin-bottom: 40px;
    max-width: 700px;
    line-height: 1.7;
}

.hero-meta {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: #6b5d4f;
    margin-bottom: 40px;
}

.hero-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: #9d846b;
    color: #f5f1e8;
    padding: 12px 24px;
    border: 2px solid transparent;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background 0.3s;
    vertical-align: middle;
}

.btn-primary:hover {
    background: #8B7355;
}

.btn-secondary {
    background: transparent;
    color: #1a1a1a;
    padding: 12px 24px;
    border: 2px solid #8B7355;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
    vertical-align: middle;
}

.btn-secondary:hover {
    background: #8B7355;
    color: #f5f1e8;
}

/* Methodology Section */
.methodology {
    padding: 80px 20px;
    background: #f5f1e8;
}

.methodology h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 600;
    color: #1a1a1a;
}

.methodology-intro {
    color: #4a4a4a;
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.methodology-item {
    margin-bottom: 40px;
    border-left: 4px solid #8B7355;
    padding-left: 25px;
}

.methodology-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.methodology-item p {
    color: #4a4a4a;
    line-height: 1.7;
}

/* Data Section */
.data {
    background: url('assets/asset_2.svg') center/cover;
    padding: 80px 20px;
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.data::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(201, 184, 150, 0.15);
    pointer-events: none;
}

.data .container {
    position: relative;
    z-index: 1;
}

.data-content-box {
    background: rgba(255, 255, 255, 0.92);
    padding: 50px;
    border-radius: 12px;
    border: 2px solid rgba(139, 115, 85, 0.3);
    box-shadow: 0 8px 32px rgba(139, 115, 85, 0.15);
    backdrop-filter: blur(10px);
}

.data h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 600;
    color: #1a1a1a;
    border-left: 4px solid #8B7355;
    padding-left: 20px;
}

.data-intro {
    color: #4a4a4a;
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.monospace-highlight {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    color: #2d2d2d;
    background: rgba(139, 115, 85, 0.1);
    padding: 2px 6px;
    border-radius: 3px;
}

/* Data Grid Layout */
.data-grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
}

.data-grid-layout::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #c9b896;
    transform: translateX(-50%);
}

.data-report-column {
    display: flex;
    justify-content: center;
    align-items: center;
}

.data-downloads-column {
    display: flex;
    flex-direction: column;
    gap: 15px;
    justify-content: center;
    align-items: stretch;
}

/* Report Card */
.report-card {
    display: flex;
}

.report-card-layout {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.report-card-cover {
    width: 200px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(139, 115, 85, 0.25);
    border: 1px solid #c9b896;
    flex-shrink: 0;
}

.report-card-content {
    display: flex;
    flex-direction: column;
}

.report-card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.report-card-description {
    color: #4a4a4a;
    font-size: 1.0rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Download Card */
.download-card {
    background: #ffffff;
    border: 2px solid #c9b896;
    border-radius: 12px;
    transition: all 0.3s;
    width: 100%;
}

.download-card:hover {
    border-color: #8B7355;
    box-shadow: 0 4px 12px rgba(139, 115, 85, 0.15);
}

.download-card-content {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 30px;
}

.download-card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f1e8;
    border-radius: 8px;
    flex-shrink: 0;
}

.download-card-icon svg {
    width: 28px;
    height: 28px;
    color: #8B7355;
}

.download-card-info {
    flex: 1;
}

.download-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 5px;
}

.download-card-meta {
    color: #6b5d4f;
    font-size: 0.9rem;
}

.download-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #9d846b;
    color: #f5f1e8;
    border: none;
    border-radius: 6px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.download-card-btn svg {
    width: 20px;
    height: 20px;
}

.download-card-btn:hover {
    background: #8B7355;
}

/* Dataset Explorer */
.explorer {
    padding: 80px 20px;
    background: #e8e4d8;
}

.explorer h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 600;
    color: #1a1a1a;
}

.explorer-intro {
    color: #4a4a4a;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.explorer-layout {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 30px;
    align-items: stretch;
}

.loading-state {
    text-align: center;
    padding: 60px 20px;
    color: #4a4a4a;
}

.spinner {
    border: 4px solid #c9b896;
    border-top: 4px solid #8B7355;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.filter-panel {
    background: #ffffff;
    border: 2px solid #c9b896;
    border-radius: 12px;
    padding: 25px;
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.result-counter {
    font-size: 1.25rem;
    font-weight: 600;
    color: #8B7355;
    text-align: center;
    padding: 12px;
    background: #f5f1e8;
    border-radius: 8px;
    border: 1px solid #c9b896;
}

.filter-section {
    margin-bottom: 20px;
}

.filter-section:last-child {
    margin-bottom: 0;
}

.filter-label {
    display: block;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    padding: 10px 35px 10px 12px;
    border: 2px solid #c9b896;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: #8B7355;
}

.search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #a89878;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
    display: none;
}

.search-clear.visible {
    display: block;
}

.search-clear:hover {
    color: #8B7355;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #8B7355;
}

.checkbox-item label {
    cursor: pointer;
    color: #1a1a1a;
    font-weight: 500;
    font-size: 0.9rem;
}

.toggle-switch {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #e8e4d8;
    padding: 6px 12px;
    border-radius: 20px;
    border: 2px solid transparent;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s, border-color 0.3s;
    font-size: 0.85rem;
}

.toggle-switch:focus {
    outline: 3px solid #8B7355;
    outline-offset: 2px;
}

.toggle-switch:hover {
    background: #c9b896;
}

.toggle-switch.active {
    background: #8B7355;
    color: #f5f1e8;
}

.toggle-switch.active-only {
    background: #6b5d4f;
    color: #f5f1e8;
    border-color: #8B7355;
}

.toggle-switch svg {
    width: 16px;
    height: 16px;
}

.filter-row {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.filter-input {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #c9b896;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.3s;
}

.filter-input:focus {
    outline: none;
    border-color: #8B7355;
}

select.filter-input {
    cursor: pointer;
    background: white;
}

.reset-btn {
    width: 100%;
    background: white;
    color: #6b5d4f;
    border: 2px solid #c9b896;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.reset-btn:hover {
    border-color: #8B7355;
    color: #1a1a1a;
}

.table-container {
    background: white;
    border: 2px solid #c9b896;
    border-radius: 12px;
    overflow: hidden;
    height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
}

.table-wrapper {
    overflow-x: auto;
    overflow-y: auto;
    flex: 1;
    position: relative;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #9d846b;
    color: #f5f1e8;
}

.data-table th {
    padding: 14px 12px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid #8B7355;
    white-space: nowrap;
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid #e8e4d8;
}

.data-table tbody tr:hover {
    background: #faf9f6;
}

.domain-cell {
    font-family: 'Courier New', monospace;
    color: #1a1a1a;
    font-weight: 500;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-cell {
    color: #6b5d4f;
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    cursor: help;
    text-decoration: none;
    border-bottom: 1px dotted transparent;
    transition: border-color 0.2s;
}

.category-cell:hover {
    border-bottom-color: #6b5d4f;
}

.rank-cell {
    color: #6b5d4f;
    text-align: right;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-blocked {
    background: #c9b896;
    color: #1a1a1a;
}

.status-ok {
    background: #e8e4d8;
    color: #6b5d4f;
}

.status-timeout {
    background: #d4a574;
    color: #1a1a1a;
}

.status-nxdomain {
    background: #a89878;
    color: #f5f1e8;
}

.status-error {
    background: #8B6F47;
    color: #f5f1e8;
}

.status-nodata {
    color: #c9b896;
}

/* Supporters Section */
.supporters {
    padding: 80px 20px;
    background: #e8e4d8;
}

.supporters h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    font-weight: 600;
    color: #1a1a1a;
    text-align: center;
}

.logos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
    align-items: stretch;
}

.logo-card {
    background: #c9b896;
    padding: 40px;
    border-radius: 12px;
    border: 2px solid #a89878;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    transition: all 0.3s;
    min-height: 300px;
}

.logo-card:hover {
    border-color: #8B7355;
    box-shadow: 0 10px 25px rgba(139, 115, 85, 0.3);
    transform: translateY(-5px);
}

.logo-card img {
    max-width: 100%;
    height: auto;
    max-height: 120px;
}

.logo-card p {
    color: #2d2d2d;
    text-align: center;
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

.logo-card p strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #1a1a1a;
}

/* Hide logos in reader mode and print */
@media print {
    .logo-card img {
        display: none !important;
    }
}

@media (max-width: 1300px) {
    .logos-grid {
        grid-template-columns: 1fr;
    }

    .data-grid-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .data-grid-layout::after {
        display: none;
    }

    .data-report-column {
        position: relative;
        top: 0;
    }

    .report-card-cover {
        max-width: 400px;
    }

    .data-content-box {
        padding: 40px 30px;
    }
}

/* Footer */
.footer {
    background: #8B7355;
    color: #e8e4d8;
    padding: 25px 20px 20px;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(232, 228, 216, 0.3);
    font-size: 0.9rem;
}

.footer-content > div {
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-content img {
    height: 20px !important;
}

.footer-citation {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
    border-bottom: 1px solid rgba(232, 228, 216, 0.3);
}

.bibtex-citation {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(232, 228, 216, 0.3);
    border-radius: 6px;
    padding: 15px 20px;
    color: #e8e4d8;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    text-align: left;
    overflow-x: auto;
    white-space: pre;
}

.footer-credits {
    max-width: 1200px;
    margin: 18px auto 0;
    padding-top: 0;
    color: rgba(232, 228, 216, 0.7);
    font-size: 0.75rem;
    line-height: 1.5;
}

.footer-credits p {
    margin: 5px 0;
}

.footer-credits a {
    color: #e8e4d8;
    text-decoration: underline;
    text-decoration-color: rgba(232, 228, 216, 0.4);
    transition: all 0.3s;
}

.footer-credits a:hover {
    color: #ffffff;
    text-decoration-color: #ffffff;
}

.footer-credits a:focus {
    outline: 2px solid #e8e4d8;
    outline-offset: 2px;
}

/* Responsive */
@media (max-width: 1300px) {
    .explorer-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .filter-panel {
        position: relative;
        top: 0;
        max-height: none;
        height: auto;
    }

    .table-container {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
        padding: 60px 20px 40px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero h1 .title-main {
        font-size: 1.6rem;
    }

    .data-content-box {
        padding: 30px 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .table-wrapper {
        max-height: none;
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: 8px 6px;
    }

    .hero-content-box {
        padding: 30px 20px;
    }

    .data {
        min-height: auto;
    }

    .report-card-layout {
        flex-direction: column;
        align-items: center;
    }

    .report-card-cover {
        width: 160px;
    }

    .download-card-content {
        padding: 16px 18px;
        gap: 12px;
    }

    .logos-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .logo-card {
        padding: 25px;
        min-height: auto;
    }
}

@media (max-width: 480px) {
    .hero-content-box {
        padding: 20px 16px;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .hero h1 .title-main {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .hero-meta {
        gap: 12px;
    }

    .data-content-box {
        padding: 20px 16px;
    }

    .download-card-content {
        padding: 12px 14px;
        gap: 10px;
    }

    .methodology {
        padding: 50px 16px;
    }

    .explorer {
        padding: 50px 16px;
    }

    .supporters {
        padding: 50px 16px;
    }
}