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

:root {
    --gold: #FFC200;
    --gold-dark: #E6AF00;
    --gold-glow: rgba(255, 194, 0, 0.12);
    --gold-light: rgba(255, 194, 0, 0.08);
    --dark-1: #0D0F14;
    --dark-2: #151820;
    --dark-3: #1C1F2A;
    --dark-4: #222633;
    --text-primary: #F1F5F9;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 194, 0, 0.2);
    --radius: 16px;
    --radius-sm: 10px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-1);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Hero ── */
.hero {
    position: relative;
    padding: 80px 0 64px;
    text-align: center;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, var(--gold-glow) 0%, transparent 70%);
    pointer-events: none;
}

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

.logo { margin-bottom: 20px; }
.logo img { height: 48px; width: auto; }

.hero h1 {
    font-size: 44px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.badge {
    padding: 8px 18px;
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gold);
}

/* ── Sections ── */
section { margin-bottom: 64px; }

section h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
}

section > p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 15px;
}

/* ── Features ── */
.features-section { margin-top: 8px; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.feature-card {
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: border-color 0.25s, transform 0.25s;
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.feature-icon { font-size: 28px; margin-bottom: 14px; }

.feature-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── Server URL ── */
.server-url-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    max-width: 560px;
    margin: 0 auto;
}

.server-url-box code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 15px;
    color: var(--gold);
    user-select: all;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--dark-4);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.copy-btn.copied { color: #34D399; border-color: rgba(52, 211, 153, 0.3); }

/* ── Setup Steps ── */
.setup-steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 680px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 20px;
}

.step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--gold);
    color: var(--dark-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    margin-top: 2px;
}

.step-content { flex: 1; min-width: 0; }

.step-content h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 14px;
}

.step-content kbd {
    display: inline-block;
    padding: 2px 8px;
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: 5px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text-primary);
}

.step-visual {
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--dark-2);
    border: 1px solid var(--border);
}

.step-visual img {
    display: block;
    width: 100%;
    height: auto;
}

.inline-url {
    display: inline-block;
    padding: 8px 14px;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 14px;
}

.inline-url code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 13px;
    color: var(--gold);
}

.setup-note {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 680px;
    margin: 32px auto 0;
    padding: 14px 18px;
    background: var(--gold-light);
    border: 1px solid rgba(255, 194, 0, 0.15);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
}

.setup-note a {
    color: var(--gold);
    text-decoration: none;
    font-weight: 500;
}

.setup-note a:hover { text-decoration: underline; }

.note-icon { font-size: 18px; flex-shrink: 0; }

/* ── Code Blocks ── */
.code-block {
    position: relative;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    max-width: 680px;
    margin: 0 auto;
    overflow-x: auto;
}

.code-block code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre;
}

.copy-btn-sm {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 8px;
    gap: 0;
}

/* ── Clients ── */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.client-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    font-size: 14px;
    font-weight: 500;
    transition: border-color 0.25s;
}

.client-item:hover { border-color: var(--border-hover); }
.client-icon { font-size: 20px; }

/* ── Tools ── */
.tools-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 15px;
}

.tool-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.tool-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: 100px;
    transition: border-color 0.2s, background 0.2s;
    cursor: default;
}

.tool-chip:hover {
    border-color: var(--border-hover);
    background: var(--dark-3);
}

.tool-icon { font-size: 14px; line-height: 1; }

.tool-name {
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

/* ── App Section ── */
.app-card {
    max-width: 680px;
    margin: 0 auto;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color 0.25s, transform 0.25s;
}

.app-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.app-card-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
}

.app-card-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 6px;
}

.app-card-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    color: var(--text-primary);
}

.app-card-tagline {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.app-link-btn {
    display: inline-block;
    padding: 10px 22px;
    background: var(--gold);
    color: var(--dark-1);
    font-weight: 700;
    font-size: 14px;
    border-radius: 8px;
    text-decoration: none;
    transition: opacity 0.2s;
}

.app-link-btn:hover { opacity: 0.88; }

.app-card-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
}

.app-badge {
    display: inline-block;
    padding: 7px 14px;
    background: var(--dark-3);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

@media (max-width: 600px) {
    .app-card-inner {
        flex-direction: column;
        gap: 20px;
    }
    .app-card-badges {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .app-card-name { font-size: 18px; }
}

/* ── Footer ── */
footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

footer p { font-size: 13px; color: var(--text-muted); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero { padding: 56px 0 44px; }
    .hero h1 { font-size: 32px; }
    .subtitle { font-size: 15px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .clients-grid { grid-template-columns: repeat(2, 1fr); }
    .server-url-box { flex-direction: column; gap: 12px; text-align: center; }
    .server-url-box code { font-size: 13px; word-break: break-all; }
    section { margin-bottom: 48px; }
}

@media (max-width: 480px) {
    .hero { padding: 40px 0 32px; }
    .hero h1 { font-size: 26px; }
    .logo img { height: 40px; }
    .badge { font-size: 12px; padding: 6px 12px; }
    .features-grid { grid-template-columns: 1fr; }
    .clients-grid { grid-template-columns: 1fr; }
    .step { gap: 14px; }
    .step-number { width: 30px; height: 30px; font-size: 14px; }
    .step-content h3 { font-size: 15px; }
    .code-block { padding: 14px; }
    .code-block code { font-size: 11px; }
    .tool-chip { padding: 6px 12px; }
    .tool-name { font-size: 11px; }
}

/* ── Language Switcher ── */
.lang-switcher-fixed {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 200;
    display: flex;
    gap: 4px;
    background: rgba(28, 31, 42, 0.9);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    padding: 3px;
    border: 1px solid var(--border);
}

.lang-btn-idx {
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    background: transparent;
    color: var(--text-muted);
    transition: all 0.2s;
}

.lang-btn-idx.active {
    background: var(--gold);
    color: var(--dark-1);
}

.lang-btn-idx:hover:not(.active) {
    color: var(--text-primary);
}

/* ── Docs button ── */
.docs-btn {
    display: inline-block;
    padding: 12px 28px;
    background: var(--gold);
    color: var(--dark-1);
    font-weight: 700;
    font-size: 14px;
    border-radius: 10px;
    text-decoration: none;
    transition: opacity 0.2s;
}

.docs-btn:hover { opacity: 0.9; }

.footer-docs-link {
    color: var(--gold);
    text-decoration: none;
}

.footer-docs-link:hover { text-decoration: underline; }