:root {
    --bg: #ffffff;
    --text: #111111;
    --muted: #666666;
    --line: #dcdcdc;
    --soft: #f6f6f6;
    --dark: #000000;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.65;
}

a {
    color: #000000;
    text-decoration: none;
    border-bottom: 1px solid #000000;
}

a:hover {
    opacity: 0.7;
}

.site-header {
    border-bottom: 1px solid var(--line);
    background: #ffffff;
}

.banner-wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 18px 18px 10px;
}

.banner {
    width: 100%;
    display: block;
}

.nav {
    max-width: 1180px;
    margin: 0 auto;
    padding: 12px 18px 16px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    letter-spacing: 0.02em;
}

.nav a {
    border-bottom: none;
    font-weight: 700;
    text-transform: uppercase;
}

.container {
    max-width: 1050px;
    margin: 0 auto;
    padding: 44px 22px;
}

.hero {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 34px;
    align-items: start;
}

.kicker {
    font-family: Arial, Helvetica, sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 12px;
    font-weight: 800;
    color: var(--muted);
}

h1, h2, h3 {
    line-height: 1.2;
    margin-top: 0;
}

h1 {
    font-size: clamp(36px, 5vw, 64px);
    margin-bottom: 18px;
}

h2 {
    font-size: 30px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 8px;
    margin-top: 46px;
}

h3 {
    font-size: 22px;
    margin-bottom: 8px;
}

.lead {
    font-size: 21px;
    color: #222222;
}

.card {
    border: 1px solid var(--line);
    background: var(--soft);
    padding: 22px;
}

.button {
    display: inline-block;
    background: #000000;
    color: #ffffff;
    padding: 12px 18px;
    margin-top: 10px;
    border: none;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.05em;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.article-list {
    display: grid;
    gap: 18px;
}

.article {
    border: 1px solid var(--line);
    padding: 20px;
    background: #ffffff;
}

.meta {
    color: var(--muted);
    font-size: 14px;
    font-family: Arial, Helvetica, sans-serif;
}

.notice {
    background: #efe4d6;
    color: #4a3523;
    padding: 22px;
    margin-top: 26px;
    border-left: 4px solid #FF8C00;
    border-radius: 0 12px 12px 0;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.notice h2,
.notice h3 {
    color: #8f4a00;
    margin-top: 0;
    margin-bottom: 12px;
    border-bottom: 1px solid #cfc5ba;
    padding-bottom: 8px;
}

.notice p {
    color: #5a4330;
}

.notice a {
    color: #8f4a00;
    border-bottom-color: #8f4a00;
    font-weight: 700;
}

.notice a:hover,
.notice a:focus {
    color: #FF8C00;
    border-bottom-color: #FF8C00;
}


.footer {
    border-top: 1px solid var(--line);
    background: #f5f5f5;
    padding: 26px 18px;
    text-align: center;
    color: #444444;
    font-size: 13px;
}

.policy-text {
    text-align: justify;
}

.policy-text p {
    margin-bottom: 15px;
    text-align: justify;
}

.policy-text h1,
.policy-text h2,
.policy-text h3 {
    text-align: left;
}

@media (max-width: 760px) {
    .hero {
        grid-template-columns: 1fr;
    }
    .grid {
        grid-template-columns: 1fr;
    }
    .container {
        padding: 30px 18px;
    }
}

.policy-text, .policy-text p { text-align: justify; }

.article-list .article h3 { margin-top: 0; }

.form-note { border: 1px solid var(--line); padding: 18px; background: #fafafa; }

.policy-text ul {
    text-align: left;
    margin: 18px 0 24px 24px;
    padding-left: 20px;
}

.policy-text li {
    margin-bottom: 10px;
    text-align: left;
}


.nav {
    flex-wrap: wrap;
    gap: 10px;
}

.nav a {
    white-space: nowrap;
}

.article-list {
    gap: 18px;
}

.article h3 {
    line-height: 1.25;
}

.nav {
    flex-wrap: wrap;
    gap: 9px;
}

.nav a {
    white-space: nowrap;
    font-size: 0.94rem;
}

.nav {
    flex-wrap: wrap;
    gap: 8px;
}

.nav a {
    white-space: nowrap;
    font-size: 0.88rem;
}


.nav a:hover,
.nav a:focus {
    color: #FF8C00;
    border-color: #FF8C00;
}

.article a:hover,
.article a:focus,
.policy-text a:hover,
.policy-text a:focus {
    color: #FF8C00;
}


.article:hover {
    border-color: #FF8C00;
    box-shadow: 0 8px 22px rgba(255, 140, 0, 0.18);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

.nav a {
    font-size: 0.82rem;
}


.gatebreak-form {
    margin-top: 18px;
    padding: 18px;
    border: 1px solid #ddd;
    border-radius: 14px;
    background: #ffffff;
}

.gatebreak-form label {
    display: block;
    font-weight: 700;
    margin-top: 14px;
    margin-bottom: 6px;
}

.gatebreak-form input,
.gatebreak-form select,
.gatebreak-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid #cfcfcf;
    border-radius: 8px;
    font: inherit;
    background: #fff;
}

.gatebreak-form input:focus,
.gatebreak-form select:focus,
.gatebreak-form textarea:focus {
    outline: none;
    border-color: #FF8C00;
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.16);
}

.gatebreak-form .checkbox-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-weight: 400;
    line-height: 1.45;
}

.gatebreak-form .checkbox-row input {
    width: auto;
    margin-top: 4px;
}

.gatebreak-form button {
    margin-top: 18px;
    padding: 12px 18px;
    border: 1px solid #FF8C00;
    border-radius: 8px;
    background: #111;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.gatebreak-form button:hover,
.gatebreak-form button:focus {
    background: #FF8C00;
    color: #111;
}

.support-contributors h4 {
    margin-top: 20px;
    font-size: 1.12rem;
}


.notice {
    border-left: 4px solid #FF8C00;
    background: #fff8ef;
    padding: 12px 14px;
    border-radius: 8px;
}

.submission-ready {
    margin-top: 36px;
    padding-top: 20px;
    border-top: 2px solid #FF8C00;
}

.gatebreak-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid #cfcfcf;
    border-radius: 8px;
    font: inherit;
    background: #fff;
    resize: vertical;
}

.form-actions {
    margin-top: 18px;
}

.submission-summary {
    margin-top: 18px;
    padding: 14px;
    border: 1px solid #FF8C00;
    border-radius: 12px;
    background: #fff8ef;
}

.submission-summary pre {
    white-space: pre-wrap;
    font-family: inherit;
    font-size: 0.92rem;
}

.gatebreak-form input[type="file"] {
    padding: 9px;
    background: #fafafa;
}

.nav a { font-size: 0.78rem; }


.nav {
    gap: 13px;
    row-gap: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
}

.nav a {
    margin: 3px 2px;
    padding: 8px 11px;
    border-radius: 9px;
}

.table-wrap {
    overflow-x: auto;
    margin: 18px 0 28px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
}

.comparison-table th,
.comparison-table td {
    border: 1px solid #dddddd;
    padding: 12px;
    vertical-align: top;
    text-align: left;
}

.comparison-table th {
    background: #111111;
    color: #ffffff;
}

.comparison-table tr:hover td {
    background: #fff8ef;
}

.comparison-table td:first-child {
    font-weight: 700;
    width: 18%;
}


/* GateBreak v30 navigation refinement */
.nav-main {
    margin-bottom: 4px;
}

.nav-no {
    margin-top: 2px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 140, 0, 0.22);
}

.nav-no a {
    font-size: calc(0.78rem - 2px);
    padding: 6px 9px;
}

.nav-main a {
    font-size: 0.78rem;
}

/* Reduce visible contrast around the banner canvas */
.site-header,
.banner-wrap {
    background: #ffffff;
}

.banner {
    display: block;
    margin-left: auto;
    margin-right: auto;
}


/* GateBreak v31 transparent PNG banner and GitHub footer logo */
.banner-wrap {
    background: transparent;
}

.banner {
    background: transparent;
}

.github-hosted {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.github-hosted img {
    width: 18px;
    height: 18px;
    vertical-align: middle;
}


/* GateBreak v32 footer hosted/workflows row */
.footer-hosting-row {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.github-hosted,
.openai-workflows {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin: 3px 0;
}

.github-hosted img,
.openai-workflows img {
    width: 18px;
    height: 18px;
    vertical-align: middle;
}


/* GateBreak v33 footer: GitHub Pages text only */
.footer-hosting-row,
.github-hosted,
.openai-workflows {
    display: none;
}


/* GateBreak v36 author responsibility notice */
.author-responsibility-notice {
    border: 1px solid rgba(255, 140, 0, 0.35);
    border-left: 6px solid #ff8c00;
    background: #fffaf3;
    padding: 18px 20px;
    margin: 24px 0;
    border-radius: 10px;
}

.author-responsibility-notice h2 {
    margin-top: 0;
}


.nav-sep {
    color: rgba(255, 255, 255, 0.65);
    font-weight: 700;
    margin: 0 2px;
}

@media (max-width: 760px) {
    .nav-sep {
        display: none;
    }
}