:root {
    --bg: #fafaf9;
    --surface: #ffffff;
    --border: #e7e5e4;
    --border-soft: #f5f5f4;
    --text: #1c1917;
    --text-mid: #57534e;
    --text-dim: #78716c;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --accent-soft: #f5f3ff;
    --accent-ring: #ede9fe;
    --green: #047857;
    --green-soft: #ecfdf5;
    --amber: #b45309;
    --amber-soft: #fffbeb;
    --blue: #0369a1;
    --blue-soft: #f0f9ff;
    --red: #be123c;
    --red-soft: #fff1f2;
    --radius: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a:focus-visible {
    border-radius: 6px;
    box-shadow: 0 0 0 5px var(--accent-ring);
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

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

nav {
    backdrop-filter: blur(20px);
    background: rgba(250, 250, 249, 0.86);
    border-bottom: 1px solid var(--border);
    left: 0;
    padding: 16px 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 100;
}

nav .container {
    align-items: center;
    display: flex;
    justify-content: space-between;
}

.logo {
    align-items: center;
    color: var(--accent);
    display: inline-flex;
    font-size: 1.25rem;
    font-weight: 800;
    gap: 10px;
    letter-spacing: -0.5px;
    text-decoration: none;
}

.logo svg {
    flex-shrink: 0;
}

.logo-text span {
    color: var(--text);
}

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-actions {
    align-items: center;
    display: flex;
    flex-shrink: 0;
    gap: 8px;
}

.nav-cta,
.button {
    align-items: center;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 8px;
    color: #fff;
    display: inline-flex;
    font-size: 0.85rem;
    font-weight: 600;
    gap: 8px;
    justify-content: center;
    padding: 9px 16px;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.nav-cta:hover,
.button:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
}

.nav-cta.secondary,
.button.secondary {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

.nav-cta.secondary:hover,
.button.secondary:hover {
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.12);
}

.hero {
    padding: 144px 0 80px;
}

.hero-grid {
    align-items: end;
    display: grid;
    gap: 44px;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
}

.eyebrow,
.section-label {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.8px;
    margin-bottom: 12px;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(2.7rem, 6vw, 4.8rem);
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1.02;
    max-width: 820px;
}

.hero-copy {
    color: var(--text-mid);
    font-size: 1.15rem;
    margin-top: 24px;
    max-width: 760px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.snapshot {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    padding: 26px;
}

.snapshot-badge {
    background: var(--amber-soft);
    border: 1px solid rgba(180, 83, 9, 0.2);
    border-radius: 999px;
    color: var(--amber);
    display: inline-flex;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 18px;
    padding: 5px 10px;
}

.snapshot dl {
    display: grid;
    gap: 14px;
}

.snapshot-row {
    align-items: start;
    border-bottom: 1px solid var(--border-soft);
    display: flex;
    gap: 18px;
    justify-content: space-between;
    padding-bottom: 12px;
}

.snapshot-row:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.snapshot dt {
    color: var(--text-dim);
    font-size: 0.8rem;
}

.snapshot dd {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: right;
}

.trust-note {
    background: var(--amber-soft);
    border: 1px solid rgba(180, 83, 9, 0.24);
    border-radius: 12px;
    color: #78350f;
    margin-top: 36px;
    padding: 18px 20px;
}

.trust-note strong {
    color: #451a03;
}

section {
    padding: 76px 0;
}

section.alt {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    border-top: 1px solid var(--border);
}

.section-head {
    align-items: end;
    display: flex;
    gap: 28px;
    justify-content: space-between;
    margin-bottom: 34px;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
}

.section-desc {
    color: var(--text-mid);
    margin-top: 12px;
    max-width: 720px;
}

.result-grid {
    display: grid;
    gap: 22px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.result-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    padding: 28px;
}

.result-card.best {
    border-color: rgba(124, 58, 237, 0.45);
    box-shadow: 0 0 0 3px var(--accent-ring);
}

.result-topline {
    align-items: center;
    display: flex;
    justify-content: space-between;
}

.result-name {
    font-size: 1.05rem;
    font-weight: 700;
}

.result-tag {
    background: var(--accent-soft);
    border-radius: 999px;
    color: var(--accent-hover);
    font-size: 0.68rem;
    font-weight: 700;
    padding: 4px 8px;
    text-transform: uppercase;
}

.result-number {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
    margin: 28px 0 6px;
}

.result-caption {
    color: var(--text-dim);
    font-size: 0.8rem;
    text-transform: uppercase;
}

.result-details {
    border-top: 1px solid var(--border-soft);
    display: grid;
    gap: 10px;
    margin-top: 24px;
    padding-top: 20px;
}

.result-detail {
    display: flex;
    font-size: 0.83rem;
    gap: 14px;
    justify-content: space-between;
}

.result-detail span:first-child {
    color: var(--text-dim);
}

.result-detail span:last-child {
    font-family: "JetBrains Mono", monospace;
    font-weight: 600;
    text-align: right;
}

.table-wrap {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 28px;
    overflow-x: auto;
}

table {
    border-collapse: collapse;
    min-width: 760px;
    width: 100%;
}

th,
td {
    border-bottom: 1px solid var(--border-soft);
    padding: 15px 18px;
    text-align: right;
}

th:first-child,
td:first-child {
    text-align: left;
}

th {
    background: #fcfcfb;
    color: var(--text-dim);
    font-size: 0.72rem;
    letter-spacing: 0.7px;
    text-transform: uppercase;
}

td {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.8rem;
}

tbody tr:last-child td {
    border-bottom: 0;
}

.comparison-grid {
    display: grid;
    gap: 32px;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
}

.before-after {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.delta {
    color: var(--green);
    font-size: 3.1rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
}

.delta-label {
    color: var(--text-dim);
    font-size: 0.8rem;
    margin-top: 8px;
    text-transform: uppercase;
}

.baseline-pair {
    display: grid;
    gap: 12px;
    margin-top: 26px;
}

.baseline-row {
    align-items: center;
    display: grid;
    gap: 14px;
    grid-template-columns: 130px 1fr 64px;
}

.baseline-row span {
    font-size: 0.82rem;
}

.baseline-row strong {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.82rem;
    text-align: right;
}

.bar-track {
    background: #e7e5e4;
    border-radius: 999px;
    height: 12px;
    overflow: hidden;
}

.bar {
    background: var(--accent);
    border-radius: inherit;
    height: 100%;
}

.bar.muted {
    background: #a8a29e;
}

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

.tradeoff {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.tradeoff h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.tradeoff p {
    color: var(--text-mid);
    font-size: 0.9rem;
}

.insight-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.insight {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
}

.insight-index {
    color: var(--accent);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.78rem;
    font-weight: 700;
}

.insight h3 {
    font-size: 1.05rem;
    margin: 10px 0 8px;
}

.insight p {
    color: var(--text-mid);
    font-size: 0.9rem;
}

.method-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.method {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.method-label {
    color: var(--text-dim);
    font-size: 0.72rem;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.method-value {
    font-size: 1rem;
    font-weight: 700;
    margin-top: 6px;
}

.code-block {
    background: #1c1917;
    border-radius: var(--radius);
    color: #e7e5e4;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.82rem;
    line-height: 1.75;
    margin-top: 26px;
    overflow-x: auto;
    padding: 26px;
    white-space: pre;
}

.code-block .comment {
    color: #a8a29e;
}

.caveats {
    display: grid;
    gap: 14px;
    list-style: none;
    margin-top: 24px;
}

.caveats li {
    background: var(--amber-soft);
    border-left: 3px solid var(--amber);
    border-radius: 0 8px 8px 0;
    color: #78350f;
    padding: 14px 16px;
}

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

footer p {
    color: var(--text-dim);
    font-size: 0.85rem;
}

footer a {
    color: var(--text-dim);
    text-decoration: none;
}

footer a:hover {
    color: var(--text);
}

@media (max-width: 980px) {
    .nav-links {
        display: none;
    }

    .hero-grid,
    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .result-grid,
    .insight-grid {
        grid-template-columns: 1fr;
    }

    .method-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .container {
        padding: 0 18px;
    }

    nav {
        padding: 12px 0;
    }

    .nav-cta {
        padding: 8px 10px;
    }

    .nav-cta .cta-label {
        display: none;
    }

    .hero {
        padding: 112px 0 56px;
    }

    h1 {
        letter-spacing: -2px;
    }

    section {
        padding: 56px 0;
    }

    .section-head {
        align-items: stretch;
        flex-direction: column;
    }

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

    .baseline-row {
        grid-template-columns: 104px 1fr 58px;
    }
}