:root {
    --bg: #FFEAA8;
    --paper: #FFFCE8;
    --ink: #0A0A0A;
    --ink-soft: #2A2A2A;
    --muted: #5A5A5A;
    --c-cyan: #5BD7F5;
    --c-yellow: #FFD93D;
    --c-pink: #FFB1E6;
    --c-lime: #C8F157;
    --c-coral: #FF8E72;
    --c-green: #6EE7B7;
    --c-red: #FF6B6B;
    --c-violet: #C4B5FD;
    --border-w: 3px;
    --border: var(--border-w) solid var(--ink);
    --shadow-lg: 8px 8px 0 var(--ink);
    --shadow-md: 6px 6px 0 var(--ink);
    --shadow-sm: 4px 4px 0 var(--ink);
    --shadow-xs: 3px 3px 0 var(--ink);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 18px;
    --font: 'Space Grotesk', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', "SF Mono", Menlo, Consolas, monospace;
    --header-h: 76px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 16px);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.55;
    min-height: 100vh;
    background-image: radial-gradient(circle, rgba(10, 10, 10, 0.10) 1.2px, transparent 1.2px);
    background-size: 20px 20px;
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
    color: inherit;
}

input,
textarea {
    font-family: inherit;
}

::selection {
    background: var(--ink);
    color: var(--c-yellow);
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 100;
    border-bottom: var(--border);
    padding: 16px 0;
    min-height: var(--header-h);
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 22px;
    letter-spacing: -0.5px;
}

.brand-icon {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--c-cyan);
    border: var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow-xs);
    transform: rotate(-3deg);
    font-size: 18px;
    transition: transform 0.18s ease;
    flex-shrink: 0;
}

.brand:hover .brand-icon {
    transform: rotate(3deg) scale(1.05);
}

.brand-name {
    font-weight: 700;
    line-height: 1;
}

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

.nav-links a {
    padding: 10px 18px;
    font-weight: 600;
    border: var(--border);
    border-radius: 999px;
    background: var(--paper);
    box-shadow: var(--shadow-xs);
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
    font-size: 14px;
    white-space: nowrap;
}

.nav-links a:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--ink);
    background: var(--c-yellow);
}

.nav-links a:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--ink);
}

.hero {
    padding: 72px 0 56px;
    position: relative;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--c-yellow);
    border: var(--border);
    border-radius: 999px;
    box-shadow: var(--shadow-xs);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 1.5px;
    transform: rotate(-2deg);
    margin-bottom: 28px;
}

.badge-dot {
    width: 9px;
    height: 9px;
    background: var(--ink);
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.5; }
}

.hero-title {
    font-size: clamp(38px, 6.5vw, 72px);
    font-weight: 700;
    line-height: 1.06;
    letter-spacing: -2px;
    margin: 0 0 22px;
    max-width: 920px;
}

.hero-typed-wrap {
    display: inline-block;
    position: relative;
    background: var(--c-cyan);
    border: var(--border);
    padding: 2px 18px 4px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transform: rotate(-1.5deg);
    margin-left: 6px;
    line-height: 1;
}

.hero-typed {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--ink);
    min-width: 1ch;
    display: inline-block;
}

.hero-cursor {
    display: inline-block;
    font-weight: 700;
    animation: blink 1s steps(1) infinite;
    margin-left: 2px;
    color: var(--ink);
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-lead {
    font-size: clamp(16px, 1.8vw, 19px);
    color: var(--ink-soft);
    max-width: 640px;
    margin: 28px 0 32px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border: var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    font-weight: 700;
    font-size: 15px;
    transition: transform 0.12s, box-shadow 0.12s;
}

.btn-cta:hover {
    transform: translate(-3px, -3px);
    box-shadow: 7px 7px 0 var(--ink);
}

.btn-cta:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--ink);
}

.btn-cta-primary {
    background: var(--c-lime);
}

.btn-cta-secondary {
    background: var(--paper);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 12px;
}

.stat-card {
    border: var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card.stat-color-1 { background: var(--c-cyan); transform: rotate(-1deg); }
.stat-card.stat-color-2 { background: var(--c-yellow); transform: rotate(1.2deg); }
.stat-card.stat-color-3 { background: var(--c-pink); transform: rotate(-1.5deg); }

.stat-card:hover {
    transform: translate(-4px, -4px) rotate(0);
    box-shadow: 11px 11px 0 var(--ink);
}

.stat-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--paper);
    border: var(--border);
    border-radius: 10px;
    font-size: 20px;
    flex-shrink: 0;
}

.stat-info {
    min-width: 0;
    flex: 1;
}

.stat-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-mono);
    line-height: 1;
    letter-spacing: -0.5px;
}

.endpoints-section {
    padding: 60px 0 80px;
}

.section-header {
    margin-bottom: 32px;
}

.section-title {
    font-size: clamp(30px, 4.5vw, 44px);
    font-weight: 700;
    letter-spacing: -1.5px;
    margin: 0 0 10px;
    line-height: 1.1;
}

.section-sub {
    font-size: 16px;
    color: var(--ink-soft);
    margin: 0;
    max-width: 640px;
}

.endpoints-search {
    position: relative;
    margin-bottom: 28px;
    max-width: 480px;
}

.endpoints-search i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ink-soft);
    font-size: 15px;
}

.endpoints-search input {
    width: 100%;
    padding: 14px 18px 14px 46px;
    border: var(--border);
    border-radius: 10px;
    background: var(--paper);
    box-shadow: var(--shadow-xs);
    font-size: 15px;
    outline: none;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
    color: var(--ink);
}

.endpoints-search input:focus {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--ink);
}

.endpoints-search input::placeholder {
    color: var(--muted);
}

.endpoints-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 22px;
    align-items: start;
}

.endpoint-card {
    background: var(--paper);
    border: var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    display: flex;
    flex-direction: column;
}

.endpoint-card.is-open {
    grid-column: 1 / -1;
    transform: none;
}

.endpoint-head {
    padding: 20px 22px;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    transition: background 0.18s ease;
}

.endpoint-card.is-open .endpoint-head {
    border-bottom: var(--border);
    background: var(--c-yellow);
}

.endpoint-card:hover:not(.is-open) {
    transform: translate(-3px, -3px);
    box-shadow: 11px 11px 0 var(--ink);
}

.endpoint-meta {
    flex: 1;
    min-width: 0;
}

.endpoint-name {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px;
    line-height: 1.25;
    display: flex;
    align-items: center;
    gap: 8px;
}

.endpoint-category {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    background: var(--ink);
    color: var(--paper);
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.endpoint-desc {
    font-size: 14px;
    color: var(--ink-soft);
    margin: 0;
    line-height: 1.5;
}

.endpoint-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    font-size: 10.5px;
    font-weight: 800;
    border: 2px solid var(--ink);
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    flex-shrink: 0;
    line-height: 1;
}

.endpoint-status.status-ready { background: var(--c-green); }
.endpoint-status.status-maintenance { background: var(--c-yellow); }
.endpoint-status.status-error { background: var(--c-red); color: var(--paper); }

.endpoint-status .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ink);
}

.endpoint-status.status-error .dot { background: var(--paper); }

.endpoint-body {
    display: none;
    padding: 24px;
    background: var(--paper);
}

.endpoint-card.is-open .endpoint-body {
    display: block;
    animation: slideDown 0.22s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.code-label {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--ink-soft);
}

.field-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--ink-soft);
}

.field-input {
    padding: 11px 14px;
    border: var(--border);
    border-radius: 8px;
    background: var(--bg);
    font-family: var(--font-mono);
    font-size: 13px;
    box-shadow: var(--shadow-xs);
    outline: none;
    transition: transform 0.12s, box-shadow 0.12s;
    color: var(--ink);
    width: 100%;
}

.field-input:focus {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--ink);
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 18px;
    background: var(--c-cyan);
    border: var(--border);
    border-radius: 10px;
    box-shadow: var(--shadow-xs);
    font-weight: 700;
    font-size: 13.5px;
    transition: transform 0.12s, box-shadow 0.12s;
    cursor: pointer;
    color: var(--ink);
}

.btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--ink);
}

.btn:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--ink);
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: var(--shadow-xs) !important;
}

.btn-execute { background: var(--c-lime); }
.btn-copy { background: var(--c-pink); }
.btn-download { background: var(--c-violet); }
.btn-open { background: var(--c-coral); color: var(--paper); }

.code-block {
    background: var(--ink);
    color: var(--paper);
    padding: 16px 18px;
    border-radius: 10px;
    border: var(--border);
    font-family: var(--font-mono);
    font-size: 12.5px;
    line-height: 1.6;
    overflow-x: auto;
    margin-bottom: 16px;
    white-space: pre-wrap;
    word-break: break-word;
    box-shadow: var(--shadow-xs);
    max-width: 100%;
}

.code-block::-webkit-scrollbar {
    height: 8px;
    width: 8px;
}

.code-block::-webkit-scrollbar-thumb {
    background: var(--muted);
    border-radius: 4px;
}

.response-wrap .code-block {
    max-height: 460px;
    overflow: auto;
    white-space: pre;
}

.faq-section {
    padding: 70px 0 80px;
    background: var(--paper);
    border-top: var(--border);
    border-bottom: var(--border);
}

.faq-list {
    margin-top: 28px;
    max-width: 820px;
}

.faq-item {
    background: var(--bg);
    border: var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
    margin-bottom: 14px;
    overflow: hidden;
    transition: box-shadow 0.18s ease, background 0.18s ease;
}

.faq-item.is-open {
    box-shadow: var(--shadow-md);
    background: var(--c-yellow);
}

.faq-trigger {
    width: 100%;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    color: var(--ink);
}

.faq-trigger i {
    transition: transform 0.22s ease;
    flex-shrink: 0;
    font-size: 14px;
}

.faq-item.is-open .faq-trigger i {
    transform: rotate(180deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease;
}

.faq-item.is-open .faq-content {
    max-height: 600px;
}

.faq-content-inner {
    padding: 0 22px 20px;
    color: var(--ink-soft);
    font-size: 14.5px;
    line-height: 1.65;
}

.site-footer {
    background: var(--ink);
    color: var(--paper);
    padding: 60px 0 22px;
    border-top: var(--border);
}

.site-footer .brand-icon {
    background: var(--c-yellow);
}

.site-footer .brand-name {
    color: var(--paper);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 36px;
    border-bottom: 2px solid #2A2A2A;
}

.footer-brand p {
    margin-top: 16px;
    max-width: 380px;
    font-size: 14.5px;
    color: #B5B5B5;
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 14px;
    margin: 0 0 16px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--c-yellow);
}

.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-col li {
    margin-bottom: 11px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #C5C5C5;
}

.footer-col li i {
    color: var(--c-yellow);
    width: 16px;
    text-align: center;
    font-size: 13px;
    flex-shrink: 0;
}

.footer-col a {
    transition: color 0.15s ease;
}

.footer-col a:hover {
    color: var(--c-yellow);
}

.footer-bottom {
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #888;
    gap: 12px;
    flex-wrap: wrap;
}

.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translate(-50%, 14px);
    background: var(--ink);
    color: var(--paper);
    padding: 12px 22px;
    border: var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    z-index: 1000;
    transition: transform 0.24s ease, opacity 0.2s ease, visibility 0s linear 0.2s;
    font-size: 14px;
    white-space: nowrap;
    max-width: 90vw;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.toast.show {
    transform: translate(-50%, 0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.24s ease, opacity 0.2s ease, visibility 0s linear 0s;
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    color: var(--ink-soft);
    font-weight: 500;
    background: var(--paper);
    border: var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
}

@media (max-width: 900px) {
    .stats-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .hero { padding: 56px 0 40px; }
    .endpoints-section { padding: 40px 0 60px; }
    .faq-section { padding: 56px 0 60px; }
}

@media (max-width: 600px) {
    .container { padding: 0 18px; }
    .nav-links { gap: 6px; }
    .nav-links a { padding: 8px 13px; font-size: 13px; }
    .brand-name { font-size: 19px; }
    .brand-icon { width: 38px; height: 38px; font-size: 16px; }
    .hero { padding: 40px 0 32px; }
    .hero-title { font-size: 36px; letter-spacing: -1px; }
    .hero-typed-wrap { transform: none; padding: 0 10px; margin-left: 2px; }
    .badge { font-size: 11px; padding: 7px 13px; }
    .stat-card { padding: 18px; transform: none !important; }
    .stat-card:hover { transform: translate(-3px, -3px) !important; }
    .stat-value { font-size: 24px; }
    .stat-icon { width: 44px; height: 44px; font-size: 18px; }
    .endpoint-head { flex-direction: column; }
    .endpoint-status { align-self: flex-start; }
    .field-group { grid-template-columns: 1fr; }
    .endpoints-grid { grid-template-columns: 1fr; gap: 18px; }
    .btn-cta { font-size: 14px; padding: 12px 18px; }
    .section-title { font-size: 28px; }
    .footer-bottom { font-size: 12px; }
    .endpoint-body { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}