:root {
    --bg: #0a0e1a;
    --surface: #111827;
    --surface2: #1a2235;
    --border: rgba(255, 255, 255, 0.07);
    --text: #e8eaf0;
    --muted: #8892a4;
    --gin: #00d4aa;
    --gin-dim: rgba(0, 212, 170, 0.12);
    --fiber: #ff6b35;
    --fiber-dim: rgba(255, 107, 53, 0.12);
    --echo: #7c6af7;
    --echo-dim: rgba(124, 106, 247, 0.12);
    --chi: #f7c948;
    --chi-dim: rgba(247, 201, 72, 0.12);
    --pro: #4ade80;
    --con: #f87171;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    line-height: 1.7;
    overflow-x: hidden;
}

/* ── HERO ── */
.hero {
    width: 100%;
    height: 90vh;
    padding: 72px 40px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 50%, rgba(0, 212, 170, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(124, 106, 247, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-tag {
    display: inline-block;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gin);
    border: 1px solid rgba(0, 212, 170, 0.3);
    padding: 4px 16px;
    border-radius: 20px;
    margin-bottom: 32px;
}

.hero h1 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(32px, 5vw, 60px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.hero h1 span {
    color: var(--gin);
}

.hero p {
    color: var(--muted);
    max-width: 580px;
    margin: 0 auto 40px;
    font-size: 16px;
    margin-bottom: 15%;
}

.fw-pills {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.pill {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s;
    border: 1px solid transparent;
}

.pill.gin {
    background: var(--gin-dim);
    color: var(--gin);
    border-color: rgba(0, 212, 170, 0.3);
}

.pill.fiber {
    background: var(--fiber-dim);
    color: var(--fiber);
    border-color: rgba(255, 107, 53, 0.3);
}

.pill.echo {
    background: var(--echo-dim);
    color: var(--echo);
    border-color: rgba(124, 106, 247, 0.3);
}

.pill.chi {
    background: var(--chi-dim);
    color: var(--chi);
    border-color: rgba(247, 201, 72, 0.3);
}

.pill:hover {
    transform: translateY(-2px);
    filter: brightness(1.2);
}

/* ── NAV ── */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.92);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: center;
    overflow-x: auto;
    padding: 0 24px;
    gap: 0;
    scrollbar-width: none;
}

nav::-webkit-scrollbar {
    display: none;
}

nav a {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
    text-decoration: none;
    padding: 14px 18px;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all .2s;
}

nav a:hover {
    color: var(--text);
    border-color: var(--gin);
}

/* ── LAYOUT ── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 64px 0;
}

section+section {
    border-top: 1px solid var(--border);
}

.section-label {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    margin-bottom: 40px;
    line-height: 1.2;
}

/* ── FRAMEWORK CARDS ── */
.fw-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.fw-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: transform .2s, border-color .2s;
}

.fw-card:hover {
    transform: translateY(-4px);
}

.fw-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 14px 14px 0 0;
}

.fw-card.gin::before {
    background: var(--gin);
}

.fw-card.fiber::before {
    background: var(--fiber);
}

.fw-card.echo::before {
    background: var(--echo);
}

.fw-card.chi::before {
    background: var(--chi);
}

.fw-card:hover.gin {
    border-color: rgba(0, 212, 170, 0.4);
}

.fw-card:hover.fiber {
    border-color: rgba(255, 107, 53, 0.4);
}

.fw-card:hover.echo {
    border-color: rgba(124, 106, 247, 0.4);
}

.fw-card:hover.chi {
    border-color: rgba(247, 201, 72, 0.4);
}

.fw-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
}

.fw-name {
    font-family: 'Syne', sans-serif;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 4px;
}

.fw-name.gin {
    color: var(--gin);
}

.fw-name.fiber {
    color: var(--fiber);
}

.fw-name.echo {
    color: var(--echo);
}

.fw-name.chi {
    color: var(--chi);
}

.fw-tagline {
    font-size: 12px;
    color: var(--muted);
    font-style: italic;
    margin-bottom: 16px;
    font-family: 'Space Mono', monospace;
}

.fw-desc {
    color: var(--muted);
    font-size: 13.5px;
}

.fw-badge {
    display: inline-block;
    margin-top: 14px;
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    padding: 3px 10px;
    border-radius: 4px;
    letter-spacing: 1px;
}

.fw-badge.gin {
    background: var(--gin-dim);
    color: var(--gin);
}

.fw-badge.fiber {
    background: var(--fiber-dim);
    color: var(--fiber);
}

.fw-badge.echo {
    background: var(--echo-dim);
    color: var(--echo);
}

.fw-badge.chi {
    background: var(--chi-dim);
    color: var(--chi);
}

/* ── DEEP DIVE BLOCKS ── */
.deep-dive {
    margin-bottom: 60px;
}

.deep-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    padding: 24px 28px;
    border-radius: 12px;
    border-left: 4px solid;
}

.deep-header.gin {
    background: var(--gin-dim);
    border-color: var(--gin);
}

.deep-header.fiber {
    background: var(--fiber-dim);
    border-color: var(--fiber);
}

.deep-header.echo {
    background: var(--echo-dim);
    border-color: var(--echo);
}

.deep-header.chi {
    background: var(--chi-dim);
    border-color: var(--chi);
}

.deep-header-name {
    font-family: 'Syne', sans-serif;
    font-size: 28px;
    font-weight: 800;
}

.deep-header-name.gin {
    color: var(--gin);
}

.deep-header-name.fiber {
    color: var(--fiber);
}

.deep-header-name.echo {
    color: var(--echo);
}

.deep-header-name.chi {
    color: var(--chi);
}

.deep-header-sub {
    color: var(--muted);
    font-size: 13px;
    font-family: 'Space Mono', monospace;
}

.stat-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}

.stat {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--surface2);
    color: var(--muted);
}

/* ── INFO GRID ── */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.info-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 22px;
}

.info-block h4 {
    font-family: 'Syne', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
}

.info-block h4 .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.dot.gin {
    background: var(--gin);
}

.dot.fiber {
    background: var(--fiber);
}

.dot.echo {
    background: var(--echo);
}

.dot.chi {
    background: var(--chi);
}

.info-block p,
.info-block li {
    font-size: 13.5px;
    color: var(--muted);
    margin-bottom: 4px;
}

.info-block ul {
    padding-left: 16px;
}

.info-block li {
    list-style: disc;
}

/* ── PRO / CON ── */
.pro-con-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}

@media(max-width:600px) {
    .pro-con-grid {
        grid-template-columns: 1fr;
    }
}

.pro-list,
.con-list {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
}

.pro-list h4 {
    color: var(--pro);
    font-size: 12px;
    letter-spacing: 1px;
    font-family: 'Space Mono', monospace;
    margin-bottom: 12px;
}

.con-list h4 {
    color: var(--con);
    font-size: 12px;
    letter-spacing: 1px;
    font-family: 'Space Mono', monospace;
    margin-bottom: 12px;
}

.pro-list li {
    list-style: none;
    padding-left: 20px;
    position: relative;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 6px;
}

.con-list li {
    list-style: none;
    padding-left: 20px;
    position: relative;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 6px;
}

.pro-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--pro);
    font-weight: 700;
}

.con-list li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: var(--con);
}

/* ── USE CASE TAGS ── */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.tag {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: .5px;
    padding: 4px 12px;
    border-radius: 20px;
    background: var(--surface2);
    color: var(--muted);
    border: 1px solid var(--border);
}

.tag.green {
    background: rgba(74, 222, 128, .1);
    color: var(--pro);
    border-color: rgba(74, 222, 128, .2);
}

.tag.red {
    background: rgba(248, 113, 113, .1);
    color: var(--con);
    border-color: rgba(248, 113, 113, .2);
}

.tag.gin-t {
    background: var(--gin-dim);
    color: var(--gin);
    border-color: rgba(0, 212, 170, .2);
}

.tag.fiber-t {
    background: var(--fiber-dim);
    color: var(--fiber);
    border-color: rgba(255, 107, 53, .2);
}

.tag.echo-t {
    background: var(--echo-dim);
    color: var(--echo);
    border-color: rgba(124, 106, 247, .2);
}

.tag.chi-t {
    background: var(--chi-dim);
    color: var(--chi);
    border-color: rgba(247, 201, 72, .2);
}

.sho-m-btn{
    text-align: center;
    margin-top: 32px;
}

.sho-m-btn a{
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all .2s;
}

.sho-m-btn a:hover {
    color: var(--text);
    border-color: var(--gin);
}

/* ── CODE BLOCK ── */
/* ===== CODE EDITOR CONTAINER ===== */
.code-editor {
    width: 100%;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 12px;
    overflow: hidden;
    margin-top: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ===== TOP BAR ===== */
.editor-header {
    height: 42px;
    background: #161b22;
    border-bottom: 1px solid #30363d;
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red {
    background: #ff5f56;
}

.yellow {
    background: #ffbd2e;
}

.green {
    background: #27c93f;
}

.title {
    margin-left: 10px;
    color: #8b949e;
    font-size: 13px;
    font-family: sans-serif;
}

/* ===== CODE BLOCK ===== */
.code-block {
    margin: 0;
    padding: 20px;
    overflow-x: auto;
    overflow-y: hidden;
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    line-height: 1.7;
    color: #c9d1d9;
    white-space: pre;
}

/* ===== SCROLLBAR ===== */
.code-block::-webkit-scrollbar {
    height: 8px;
}

.code-block::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 20px;
}

/* ===== SYNTAX HIGHLIGHT ===== */
.kw {
    color: #ff79c6;
}

.fn {
    color: #50fa7b;
}

.str {
    color: #f1fa8c;
}

.cmt {
    color: #6272a4;
}

.pkg {
    color: #8be9fd;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .code-block {
        font-size: 12px;
        padding: 16px;
    }
}


/* ── PERF BAR ── */
.perf-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.perf-table th {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.perf-table td {
    padding: 10px 14px;
    font-size: 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--muted);
}

.perf-table tr:last-child td {
    border-bottom: none;
}

.bar-cell {
    min-width: 160px;
}

.bar-wrap {
    background: var(--surface2);
    border-radius: 4px;
    height: 8px;
    overflow: hidden;
}

.bar-fill {
    height: 8px;
    border-radius: 4px;
    transition: width 1s ease;
}

.bar-fill.gin {
    background: var(--gin);
}

.bar-fill.fiber {
    background: var(--fiber);
}

.bar-fill.echo {
    background: var(--echo);
}

.bar-fill.chi {
    background: var(--chi);
}

.rank-badge {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
}

.r1 {
    background: rgba(74, 222, 128, .15);
    color: var(--pro);
}

.r2 {
    background: rgba(247, 201, 72, .15);
    color: var(--chi);
}

.r3 {
    background: rgba(124, 106, 247, .15);
    color: var(--echo);
}

.r4 {
    background: rgba(248, 113, 113, .1);
    color: var(--con);
}

/* ── COMPARISON TABLE ── */
.comp-table {
    width: 100%;
    border-collapse: collapse;
}

.comp-table th {
    font-family: 'Syne', sans-serif;
    font-size: 14px;
    font-weight: 700;
    padding: 14px 16px;
    text-align: center;
    border-bottom: 2px solid var(--border);
}

.comp-table th:first-child {
    text-align: left;
}

.comp-table th.gin-h {
    color: var(--gin);
    border-bottom-color: var(--gin);
}

.comp-table th.fiber-h {
    color: var(--fiber);
    border-bottom-color: var(--fiber);
}

.comp-table th.echo-h {
    color: var(--echo);
    border-bottom-color: var(--echo);
}

.comp-table th.chi-h {
    color: var(--chi);
    border-bottom-color: var(--chi);
}

.comp-table td {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    text-align: center;
    vertical-align: top;
}

.comp-table td:first-child {
    text-align: left;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text);
    letter-spacing: .5px;
    white-space: nowrap;
}

.comp-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.star {
    color: #f7c948;
}

.check {
    color: var(--pro);
    font-size: 16px;
}

.cross {
    color: var(--con);
    font-size: 16px;
}

.partial {
    color: var(--chi);
}

/* ── WHEN-TO-USE ── */
.when-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.when-card {
    border-radius: 10px;
    padding: 20px;
    border: 1px solid var(--border);
}

.when-card h4 {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
}

.when-card ul {
    list-style: none;
}

.when-card li {
    font-size: 12px;
    color: var(--muted);
    padding: 3px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.when-card li::before {
    content: '→';
    font-size: 10px;
}

.when-card.gin {
    background: var(--gin-dim);
    border-color: rgba(0, 212, 170, 0.2);
}

.when-card.fiber {
    background: var(--fiber-dim);
    border-color: rgba(255, 107, 53, 0.2);
}

.when-card.echo {
    background: var(--echo-dim);
    border-color: rgba(124, 106, 247, 0.2);
}

.when-card.chi {
    background: var(--chi-dim);
    border-color: rgba(247, 201, 72, 0.2);
}

.when-card.gin h4 {
    color: var(--gin);
}

.when-card.fiber h4 {
    color: var(--fiber);
}

.when-card.echo h4 {
    color: var(--echo);
}

.when-card.chi h4 {
    color: var(--chi);
}

/* ── REAL-LIFE EXAMPLES ── */
.example-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px 24px;
    margin-bottom: 14px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: start;
}

.example-icon {
    font-size: 32px;
}

.example-title {
    font-family: 'Syne', sans-serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.example-fw {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    margin-bottom: 8px;
}

.example-desc {
    font-size: 13px;
    color: var(--muted);
}

.example-features {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 10px;
}

/* ── SECURITY ── */
.sec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.sec-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.sec-card h4 {
    font-size: 13px;
    font-family: 'Space Mono', monospace;
    color: var(--text);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sec-card ul {
    list-style: none;
}

.sec-card li {
    font-size: 12.5px;
    color: var(--muted);
    padding: 3px 0;
    padding-left: 14px;
    position: relative;
}

.sec-card li::before {
    content: '•';
    position: absolute;
    left: 0;
}

/* ── ARCHITECTURE ── */
.arch-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
}

.arch-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.arch-card h4 {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
}

.arch-card.gin h4 {
    color: var(--gin);
}

.arch-card.fiber h4 {
    color: var(--fiber);
}

.arch-card.echo h4 {
    color: var(--echo);
}

.arch-card.chi h4 {
    color: var(--chi);
}

.arch-card p {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 8px;
}

.arch-card .arch-pattern {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    padding: 6px 10px;
    background: var(--surface2);
    border-radius: 4px;
    color: var(--text);
    margin-bottom: 4px;
    display: block;
}

/* ── FINAL TABLE WRAPPER ── */
.table-scroll {
    overflow-x: auto;
}

.table-scroll::-webkit-scrollbar {
    height: 4px;
}

.table-scroll::-webkit-scrollbar-track {
    background: var(--surface);
}

.table-scroll::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

/* ── VERDICT BANNER ── */
.verdict {
    background: linear-gradient(135deg, var(--gin-dim) 0%, var(--echo-dim) 100%);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 14px;
    padding: 32px 36px;
    margin-top: 40px;
}

.verdict h3 {
    font-family: 'Syne', sans-serif;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--gin);
}

.verdict-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.verdict-item {}

.verdict-item strong {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text);
    display: block;
    margin-bottom: 4px;
}

.verdict-item span {
    font-size: 13px;
    color: var(--muted);
}

footer {
    text-align: center;
    padding: 40px;
    color: var(--muted);
    font-size: 12px;
    font-family: 'Space Mono', monospace;
    border-top: 1px solid var(--border);
}

@media(max-width: 768px) {
    .hero {
        padding: 48px 20px 40px;
    }

    section {
        padding: 40px 0;
    }

    .container {
        padding: 0 16px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    nav a {
        padding: 12px 12px;
        font-size: 10px;
    }
}