.api-hub-page {
    color: var(--ds-text, #334155);
    background:
        radial-gradient(circle at top right, rgba(2, 132, 199, 0.06), transparent 28%),
        linear-gradient(180deg, #ffffff, #f8fafc);
}

.api-hub {
    padding-bottom: 4rem;
}

.api-hub .container {
    width: min(var(--site-shell-width, 1440px), 100%);
    margin: 0 auto;
    padding-inline: clamp(1.25rem, 3vw, 1.75rem);
    box-sizing: border-box;
}

.api-section {
    padding: 1.5rem 0;
}

.api-section--compact-top {
    padding-top: 0.5rem;
}

.api-kicker {
    margin: 0 0 0.4rem;
    color: var(--ds-accent-cyan, #0284c7);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.api-section-heading {
    max-width: 54rem;
    margin-bottom: 1rem;
    padding-inline: 0.15rem;
}

.api-section-heading--tight {
    margin-bottom: 1.4rem;
}

.api-section-heading h2,
.api-hero h1,
.api-final-cta__panel h2 {
    margin: 0;
    color: var(--ds-text-strong, #0f172a);
    line-height: 1.08;
}

.api-section-heading h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
}

.api-section-heading p,
.api-hero p,
.api-card p,
.api-mini-card p,
.api-method-card p,
.api-example-card p,
.api-task-card p,
.api-challenge-card p,
.api-path-card p,
.api-lesson-card p,
.api-hero-panel li,
.api-lab-helper li {
    color: var(--ds-text-secondary, #64748b);
    line-height: 1.75;
}

.api-sticky-nav {
    position: sticky;
    top: 4.4rem;
    z-index: 30;
    padding: 0.85rem 0;
    backdrop-filter: blur(20px) saturate(160%);
    background: rgba(248, 250, 252, 0.95);
    border-bottom: 1px solid var(--ds-border, rgba(15, 23, 42, 0.10));
}

.api-sticky-nav__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.15rem;
}

.api-roadmap-grid,
.api-response-guide {
    display: grid;
    gap: 1rem;
}

.api-roadmap-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.api-roadmap-card,
.api-response-guide__card {
    padding: 1.25rem;
    border-radius: 1.3rem;
    border: 1px solid var(--ds-border, rgba(15, 23, 42, 0.10));
    background: var(--ds-bg-alt, #ffffff);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.api-roadmap-card__step {
    display: inline-flex;
    margin-bottom: 0.9rem;
    padding: 0.38rem 0.7rem;
    border-radius: 999px;
    background: rgba(2, 132, 199, 0.10);
    border: 1px solid rgba(2, 132, 199, 0.18);
    color: var(--ds-accent-cyan, #0284c7);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.api-roadmap-card h3,
.api-response-guide__card h3 {
    margin: 0 0 0.55rem;
    color: var(--ds-text-strong, #0f172a);
}

.api-roadmap-card p,
.api-response-guide__card p {
    margin: 0;
    color: var(--ds-text-secondary, #64748b);
    line-height: 1.7;
}

.api-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    padding: 0.65rem 1rem;
    border-radius: 999px;
    color: var(--ds-text-secondary, #64748b);
    background: rgba(2, 132, 199, 0.06);
    border: 1px solid var(--ds-border, rgba(15, 23, 42, 0.10));
    text-decoration: none;
    transition: all 0.2s ease;
}

.api-nav-link:hover,
.api-nav-link.is-active {
    color: var(--ds-accent-cyan, #0284c7);
    background: rgba(2, 132, 199, 0.12);
    border-color: rgba(2, 132, 199, 0.25);
}

.api-hero {
    padding-top: 3rem;
}

.api-hero-grid,
.api-lab-layout {
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.95fr);
}

.api-hero-copy,
.api-hero-panel,
.api-card,
.api-method-card,
.api-example-card,
.api-task-card,
.api-challenge-card,
.api-path-card,
.api-lesson-card,
.api-lab-panel,
.api-lab-output,
.api-final-cta__panel {
    border: 1px solid var(--ds-border, rgba(15, 23, 42, 0.10));
    background: var(--ds-bg-alt, #ffffff);
    border-radius: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.api-hero-copy,
.api-hero-panel,
.api-card,
.api-method-card,
.api-example-card,
.api-task-card,
.api-challenge-card,
.api-path-card,
.api-lesson-card,
.api-lab-panel,
.api-lab-output,
.api-final-cta__panel {
    padding: 1.3rem;
}

.api-hero h1 {
    font-size: clamp(2.6rem, 6vw, 4.7rem);
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.api-hero-copy,
.api-hero-panel {
    min-width: 0;
}

.api-lead {
    max-width: 42rem;
    font-size: 1.08rem;
    margin-top: 1rem;
}

.api-hero-actions,
.api-badges,
.api-lab-actions,
.api-lab-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.api-badges {
    margin-top: 1.4rem;
}

.api-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.9rem;
    padding: 0.8rem 1.15rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
}

.api-btn:hover,
.api-copy-btn:hover,
.api-reveal-btn:hover,
.api-preset-btn:hover,
.api-lab-load-btn:hover {
    transform: translateY(-1px);
}

.api-btn--primary {
    color: #0c2233;
    background: linear-gradient(135deg, #67e8f9, #38bdf8);
}

.api-btn--secondary {
    color: #7dd3fc;
    background: rgba(14, 165, 233, 0.14);
    border-color: rgba(125, 211, 252, 0.24);
}

.api-btn--ghost {
    color: #9090b0;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.10);
}

.api-badge,
.api-step-pill,
.api-method-tag {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    border-radius: 999px;
    font-weight: 700;
}

.api-badge {
    padding: 0.45rem 0.85rem;
    color: #7dd3fc;
    background: rgba(14, 165, 233, 0.14);
    border: 1px solid rgba(125, 211, 252, 0.18);
}

.api-panel-card {
    padding: 1rem;
    border-radius: 1.2rem;
    background: rgba(15, 15, 26, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.api-panel-card h2 {
    margin: 0 0 0.8rem;
    color: #ffffff;
    font-size: 1.1rem;
}

.api-panel-card ul,
.api-lab-helper ul {
    margin: 0;
    padding-left: 1.2rem;
}

.api-stat-grid,
.api-card-grid,
.api-method-grid,
.api-example-grid,
.api-path-grid,
.api-quiz-list {
    display: grid;
    gap: 1rem;
}

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

.api-card-grid--four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.api-card-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.api-card-grid--two,
.api-method-grid,
.api-example-grid,
.api-path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.api-stat-card,
.api-metric-card {
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(15, 15, 26, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.api-stat-card strong,
.api-metric-card strong {
    display: block;
    font-size: 1.45rem;
    color: #ffffff;
}

.api-stat-card span,
.api-metric-card span {
    display: block;
    margin-top: 0.2rem;
    color: #94a3b8;
    font-size: 0.88rem;
}

.api-inline-link {
    display: inline-flex;
    margin-top: 0.8rem;
    color: #7dd3fc;
    text-decoration: none;
    font-weight: 700;
}

.api-lab-examples {
    display: grid;
    gap: 0.85rem;
    margin-bottom: 1rem;
}

.api-lab-examples__heading {
    margin-bottom: 1rem;
}

.api-lab-examples__heading h3 {
    margin: 0;
    color: #ffffff;
    font-size: 1.2rem;
}

.api-lab-examples__heading p:last-child {
    margin: 0.55rem 0 0;
    color: #94a3b8;
    line-height: 1.75;
}

.api-example-loader-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 15, 26, 0.9);
}

.api-example-loader-card__eyebrow {
    margin: 0 0 0.35rem;
    color: #7dd3fc;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.api-example-loader-card h3 {
    margin: 0 0 0.35rem;
    color: #ffffff;
    font-size: 1rem;
}

.api-example-loader-card p:last-child {
    margin: 0;
}

.api-lesson-stack {
    display: grid;
    gap: 1rem;
}

.api-lesson-card__meta,
.api-method-card__header,
.api-example-card__head,
.api-quiz-card__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.8rem;
}

.api-step-pill {
    padding: 0.42rem 0.8rem;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.16);
    color: #7dd3fc;
    font-size: 0.82rem;
}

.api-method-tag {
    padding: 0.38rem 0.7rem;
    background: rgba(20, 184, 166, 0.12);
    border: 1px solid rgba(20, 184, 166, 0.16);
    color: #5eead4;
    font-size: 0.8rem;
}

.api-lesson-card__body {
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.9fr);
}

.api-flow {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.api-flow-step {
    position: relative;
    padding: 1rem;
    border-radius: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 15, 26, 0.9);
}

.api-flow-step:not(:last-child)::after {
    content: "->";
    position: absolute;
    right: -0.7rem;
    top: 50%;
    transform: translateY(-50%);
    color: #38bdf8;
    font-size: 1.2rem;
}

.api-table-wrap {
    overflow-x: auto;
}

.api-table {
    width: 100%;
    min-width: 52rem;
    border-collapse: collapse;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 15, 26, 0.9);
}

.api-table thead {
    background: rgba(14, 165, 233, 0.1);
}

.api-table th,
.api-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: left;
    vertical-align: top;
    color: #cbd5e1;
}

.api-code-block {
    overflow: hidden;
    margin-top: 0.9rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(9, 9, 20, 0.85);
}

.api-code-block--response {
    margin-top: 1rem;
}

.api-code-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #7dd3fc;
    font-size: 0.88rem;
    font-weight: 700;
}

.api-copy-btn,
.api-reveal-btn,
.api-preset-btn,
.api-lab-load-btn {
    appearance: none;
    cursor: pointer;
    border-radius: 999px;
    font-weight: 700;
    transition: all 0.2s ease;
}

.api-copy-btn {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 15, 26, 0.9);
    color: #cbd5e1;
    padding: 0.45rem 0.8rem;
}

.api-reveal-btn,
.api-preset-btn,
.api-lab-load-btn {
    border: 1px solid rgba(14, 165, 233, 0.16);
    background: rgba(14, 165, 233, 0.1);
    color: #ffffff;
    padding: 0.65rem 0.95rem;
}

.api-lab-load-btn {
    width: fit-content;
    margin-top: 0.85rem;
}

.api-status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 7rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    font-size: 1rem;
    line-height: 1.2;
}

.api-status-badge--ready {
    color: #93c5fd;
    background: rgba(59, 130, 246, 0.18);
}

.api-status-badge--loading {
    color: #fcd34d;
    background: rgba(245, 158, 11, 0.18);
}

.api-status-badge--success {
    color: #86efac;
    background: rgba(34, 197, 94, 0.18);
}

.api-status-badge--error {
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.18);
}

.api-code-block pre {
    margin: 0;
    padding: 1rem;
    overflow-x: auto;
}

.api-code-block code,
.api-table code,
.api-task-card code,
.api-lab-helper code {
    color: #c4b5fd;
    white-space: pre-wrap;
    word-break: break-word;
}

.api-code-block pre code {
    color: #cbd5e1;
}

.api-form-row {
    display: grid;
    gap: 1rem;
}

.api-form-row--inline {
    grid-template-columns: 12rem minmax(0, 1fr);
}

.api-form-grow {
    min-width: 0;
}

.api-lab-form label {
    display: block;
    margin-bottom: 1rem;
}

.api-lab-form span {
    display: block;
    margin-bottom: 0.5rem;
    color: #cbd5e1;
    font-weight: 700;
}

.api-lab-form input,
.api-lab-form select,
.api-lab-form textarea {
    width: 100%;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(15, 15, 26, 0.9);
    color: #ffffff;
    padding: 0.9rem 1rem;
    outline: none;
}

.api-lab-form textarea {
    min-height: 7rem;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.api-lab-helper {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(15, 15, 26, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.api-response-guide {
    margin-top: 1rem;
}

.api-task-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.api-reveal-panel {
    margin-top: 1rem;
}

.api-quiz-summary {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 1rem;
}

.api-quiz-card {
    padding: 1.25rem;
    border-radius: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 15, 26, 0.9);
}

.api-quiz-options {
    display: grid;
    gap: 0.75rem;
    margin: 1rem 0;
}

.api-quiz-option {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(9, 9, 20, 0.85);
    cursor: pointer;
    color: #cbd5e1;
}

.api-quiz-feedback {
    margin: 0.9rem 0 0;
    padding: 0.85rem 1rem;
    border-radius: 1rem;
    background: rgba(14, 165, 233, 0.08);
    color: #cbd5e1;
}

.api-card h3,
.api-method-card h3,
.api-example-card h3,
.api-task-card h3,
.api-challenge-card h3,
.api-path-card h3,
.api-lesson-card h3,
.api-lab-helper h3,
.api-flow-step h3,
.api-example-loader-card h3,
.api-quiz-card h3 {
    color: #ffffff;
}

.api-flow-step p,
.api-example-loader-card p,
.api-quiz-option span {
    color: #94a3b8;
}

.api-quiz-card.is-correct {
    border-color: rgba(74, 222, 128, 0.35);
}

.api-quiz-card.is-wrong {
    border-color: rgba(248, 113, 113, 0.32);
}

.api-final-cta__panel {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

@media (max-width: 1199px) {
    .api-card-grid--four,
    .api-card-grid--three,
    .api-card-grid--two,
    .api-roadmap-grid,
    .api-method-grid,
    .api-example-grid,
    .api-path-grid,
    .api-quiz-summary,
    .api-hero-grid,
    .api-lab-layout,
    .api-lesson-card__body,
    .api-flow {
        grid-template-columns: 1fr;
    }

    .api-flow-step:not(:last-child)::after {
        content: "v";
        right: auto;
        top: auto;
        bottom: -1rem;
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 767px) {
    .api-section {
        padding: 3rem 0;
    }

    .api-section--compact-top {
        padding-top: 0.5rem;
    }

    .api-hub .container {
        padding-inline: 1.1rem;
    }

    .api-sticky-nav {
        top: 4rem;
    }

    .api-form-row--inline,
    .api-stat-grid {
        grid-template-columns: 1fr;
    }

    .api-hero-copy,
    .api-hero-panel,
    .api-card,
    .api-method-card,
    .api-example-card,
    .api-task-card,
    .api-challenge-card,
    .api-path-card,
    .api-lesson-card,
    .api-lab-panel,
    .api-lab-output,
    .api-final-cta__panel,
    .api-quiz-card {
        padding: 1rem;
        border-radius: 1.2rem;
    }

    .api-hero h1 {
        font-size: 2.4rem;
    }

    .api-example-loader-card {
        align-items: flex-start;
        flex-direction: column;
    }

    pre, .table-wrap, table {
        overflow-x: auto;
        max-width: 100vw;
    }
}

/* --- 30-Second API Analogy Card --- */
.api-analogy-section {
    padding-top: 1rem;
    padding-bottom: 2rem;
}

.api-analogy-card {
    background: linear-gradient(135deg, rgba(19, 27, 46, 0.95) 0%, rgba(28, 39, 62, 0.85) 100%);
    border: 1px solid var(--site-accent-cyan-tint, rgba(56, 189, 248, 0.25));
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.api-analogy-header h2 {
    color: var(--site-text-strong, #f8fafc);
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0.5rem 0;
}

.api-analogy-header p {
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.95rem;
    margin: 0 0 1.5rem 0;
}

.api-analogy-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.analogy-step-card {
    flex: 1;
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    border-radius: 14px;
    padding: 1.25rem;
    text-align: center;
    transition: all 140ms ease;
}

.analogy-step-card.active {
    border-color: var(--site-accent-cyan, #38bdf8);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.15);
}

.analogy-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.analogy-step-card h3 {
    color: var(--site-text-strong, #f8fafc);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.analogy-step-card p {
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0;
}

.analogy-arrow {
    font-size: 1.4rem;
    color: var(--site-accent-cyan, #38bdf8);
    font-weight: 800;
}

@media (max-width: 768px) {
    .api-analogy-steps {
        flex-direction: column;
    }
    .analogy-arrow {
        transform: rotate(90deg);
    }
}

/* --- Color-Coded HTTP Method Badges --- */
.api-method-tag {
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.api-method-tag[data-method="GET"] {
    background: rgba(16, 185, 129, 0.18);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.api-method-tag[data-method="POST"] {
    background: rgba(59, 130, 246, 0.18);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.api-method-tag[data-method="PUT"] {
    background: rgba(249, 115, 22, 0.18);
    color: #fb923c;
    border: 1px solid rgba(249, 115, 22, 0.3);
}

.api-method-tag[data-method="PATCH"] {
    background: rgba(234, 179, 8, 0.18);
    color: #facc15;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.api-method-tag[data-method="DELETE"] {
    background: rgba(239, 68, 68, 0.18);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* --- Compact Roadmap Line-by-Line List --- */
.api-roadmap-compact-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.api-roadmap-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    border-radius: 12px;
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    transition: all 140ms ease;
}

.api-roadmap-row:hover {
    border-color: var(--site-accent, #f97316);
    transform: translateX(4px);
}

.api-roadmap-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--site-accent-tint, rgba(249, 115, 22, 0.15));
    color: var(--site-accent, #f97316);
    font-weight: 800;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.api-roadmap-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
}

.api-roadmap-content strong {
    color: var(--site-text-strong, #f8fafc);
    font-size: 0.95rem;
    min-width: 180px;
}

.api-roadmap-content span {
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.88rem;
}

/* --- Compact Why REST API Grid --- */
.api-why-compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0.85rem;
}

.api-why-row {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem 1.15rem;
    border-radius: 12px;
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
}

.api-why-icon {
    font-size: 1.2rem;
    color: var(--site-accent-cyan, #38bdf8);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.api-why-row strong {
    display: block;
    color: var(--site-text-strong, #f8fafc);
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.api-why-row p {
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.84rem;
    line-height: 1.5;
    margin: 0;
}

/* --- Compact Baby Steps Line-by-Line Table --- */
.baby-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--site-accent-tint, rgba(249, 115, 22, 0.12));
    color: var(--site-accent, #f97316);
    border: 1px solid rgba(249, 115, 22, 0.28);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-weight: 800;
    font-size: 0.85rem;
}

.baby-steps-table-wrap {
    background: var(--site-bg-alt, #131b2e);
    border-radius: 16px;
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.baby-steps-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    text-align: left;
}

.baby-steps-table th {
    padding: 0.85rem 1.15rem;
    background: rgba(0, 0, 0, 0.2);
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
}

.baby-steps-table td {
    padding: 0.85rem 1.15rem;
    border-bottom: 1px solid var(--site-border, rgba(255, 255, 255, 0.05));
    vertical-align: middle;
}

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

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

.baby-step-meaning {
    color: var(--site-text, #cbd5e1);
    font-weight: 500;
    margin-bottom: 0.2rem;
}

.baby-step-analogy {
    color: var(--site-accent-cyan, #38bdf8);
    font-size: 0.82rem;
}

.api-code-block--compact {
    position: relative;
    padding: 0.4rem 0.65rem;
    border-radius: 8px;
    background: rgba(11, 15, 25, 0.8);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
}

.api-code-block--compact pre {
    margin: 0;
    padding-right: 3rem;
}

.api-code-block--compact code {
    font-size: 0.8rem;
    color: #7dd3fc;
}

.api-code-block--compact .api-copy-btn {
    position: absolute;
    top: 50%;
    right: 0.4rem;
    transform: translateY(-50%);
    padding: 0.15rem 0.45rem;
    font-size: 0.7rem;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .baby-steps-table,
    .baby-steps-table tbody,
    .baby-steps-table tr,
    .baby-steps-table td {
        display: block;
        width: 100%;
    }

    .baby-steps-table thead {
        display: none;
    }

    .baby-steps-table tr {
        margin-bottom: 1rem;
        border-bottom: 1px solid var(--site-border);
        padding-bottom: 0.75rem;
    }

    .baby-steps-table td {
        padding: 0.4rem 1rem;
        border-bottom: none;
    }
}

/* --- Interactive HTTP Method Tabs --- */
.api-method-tabs-container {
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    border-radius: 16px;
    padding: 1.25rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.api-method-tabs-nav {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    margin-bottom: 1.25rem;
}

.api-method-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    border-radius: 10px;
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    background: rgba(11, 15, 25, 0.6);
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 140ms ease;
    white-space: nowrap;
}

.api-method-tab-btn:hover {
    border-color: var(--site-accent, #f97316);
    color: var(--site-text-strong, #f8fafc);
}

.api-method-tab-btn.active {
    background: var(--site-accent-tint, rgba(249, 115, 22, 0.15));
    border-color: var(--site-accent, #f97316);
    color: var(--site-text-strong, #f8fafc);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
}

.api-method-tab-panel {
    display: none;
}

.api-method-tab-panel.active {
    display: block;
    animation: fadeIn 200ms ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.api-method-panel-header h3 {
    color: var(--site-text-strong, #f8fafc);
    font-size: 1.25rem;
    margin: 0.5rem 0 0.25rem 0;
}

.api-method-endpoint {
    font-size: 0.9rem;
    color: var(--site-text-muted, #94a3b8);
    margin-bottom: 1rem;
}

.api-method-panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.api-method-usecase {
    padding: 0.85rem 1.1rem;
    border-radius: 10px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    color: var(--site-text, #cbd5e1);
    font-size: 0.88rem;
}

/* --- Status Codes Traffic Light Matrix --- */
.status-matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.status-matrix-card {
    border-radius: 16px;
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    padding: 1.25rem;
}

.status-matrix-card--success { border-top: 4px solid #10b981; }
.status-matrix-card--warning { border-top: 4px solid #f59e0b; }
.status-matrix-card--danger  { border-top: 4px solid #ef4444; }

.status-matrix-head h3 {
    color: var(--site-text-strong, #f8fafc);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0.35rem 0 1rem 0;
}

.status-pill {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.status-pill--2xx { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.status-pill--4xx { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.status-pill--5xx { background: rgba(239, 68, 68, 0.15); color: #f87171; }

.status-matrix-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.status-matrix-list li {
    font-size: 0.88rem;
    color: var(--site-text, #cbd5e1);
    line-height: 1.4;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--site-border, rgba(255, 255, 255, 0.05));
}

.status-matrix-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.status-matrix-list strong {
    color: var(--site-text-strong, #f8fafc);
}

.status-matrix-list small {
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.8rem;
}

/* --- Split 2-Column Layout for Roadmap & Why REST API --- */
.api-split-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.api-split-col {
    display: flex;
    flex-direction: column;
}

.api-why-compact-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* --- Personal Learning Tracker Card --- */
.learning-tracker-card {
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.1));
    border-radius: 16px;
    padding: 1.1rem 1.35rem;
    margin: 1.25rem 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.learning-tracker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.learning-progress-title {
    font-size: 0.92rem;
    color: var(--site-text, #cbd5e1);
}

.learning-progress-title strong {
    color: var(--site-accent, #f97316);
    margin-left: 0.35rem;
}

.learning-progress-bar-bg {
    width: 100%;
    height: 10px;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.learning-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #f97316, #38bdf8);
    border-radius: 999px;
    transition: width 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.learning-modules-checklist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.1rem;
}

.module-check-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--site-text-muted, #94a3b8);
    cursor: pointer;
    user-select: none;
    transition: color 120ms ease;
}

.module-check-item:hover {
    color: var(--site-text-strong, #f8fafc);
}

.module-check-item input[type="checkbox"] {
    accent-color: var(--site-accent, #f97316);
    width: 15px;
    height: 15px;
    cursor: pointer;
}

/* --- Animated Pulse Request Flow --- */
.animated-flow-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 1.25rem;
    background: rgba(11, 15, 25, 0.7);
    border-radius: 12px;
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    margin-top: 1.25rem;
}

.flow-node {
    padding: 0.6rem 0.95rem;
    border-radius: 10px;
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.1));
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--site-text-strong, #f8fafc);
    white-space: nowrap;
}

.flow-node.highlight {
    border-color: var(--site-accent, #f97316);
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

.flow-pulse-arrow {
    font-size: 0.75rem;
    color: var(--site-accent-cyan, #38bdf8);
    font-weight: 700;
    white-space: nowrap;
    animation: pulseGlow 1.8s infinite ease-in-out;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.5; transform: scale(0.98); }
    50% { opacity: 1; transform: scale(1.04); }
}

/* --- URL Anatomy Breakdown Card --- */
.url-anatomy-card {
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.url-full-display {
    background: #0b0f19;
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin: 1rem 0 1.25rem 0;
    overflow-x: auto;
    font-size: 0.95rem;
}

.url-part-proto { color: #f472b6; font-weight: 700; }
.url-part-domain { color: #60a5fa; font-weight: 700; }
.url-part-ver { color: #facc15; font-weight: 700; }
.url-part-res { color: #34d399; font-weight: 700; }
.url-part-param { color: #fb923c; font-weight: 700; }
.url-part-query { color: #a78bfa; font-weight: 700; }

.url-parts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.url-part-box {
    padding: 0.75rem;
    border-radius: 10px;
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.url-part-box strong {
    display: block;
    font-size: 0.82rem;
    margin-bottom: 0.2rem;
}

.url-part-box.proto strong { color: #f472b6; }
.url-part-box.domain strong { color: #60a5fa; }
.url-part-box.ver strong { color: #facc15; }
.url-part-box.res strong { color: #34d399; }
.url-part-box.param strong { color: #fb923c; }
.url-part-box.query strong { color: #a78bfa; }

.url-part-box span {
    font-size: 0.78rem;
    color: var(--site-text-muted, #94a3b8);
    line-height: 1.4;
    display: block;
}

.url-param-vs-query {
    padding: 0.85rem 1rem;
    border-radius: 10px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    font-size: 0.88rem;
    color: var(--site-text, #cbd5e1);
}

/* --- Headers & Auth Lifecycle Grid --- */
.headers-auth-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
}

.header-question-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--site-border, rgba(255, 255, 255, 0.06));
}

.header-question-item:last-child {
    border-bottom: none;
}

.header-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
}

.auth-flow-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.auth-flow-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.88rem;
    color: var(--site-text, #cbd5e1);
}

.auth-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    font-size: 0.78rem;
    font-weight: 800;
    flex-shrink: 0;
}

/* --- JSON Types Grid --- */
.json-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.json-type-card {
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    border-radius: 14px;
    padding: 1.1rem;
}

.json-type-card strong {
    display: block;
    color: var(--site-text-strong, #f8fafc);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.json-type-card span {
    display: block;
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.82rem;
    margin-bottom: 0.75rem;
}

.json-type-card pre {
    margin: 0;
    padding: 0.6rem;
    background: #0b0f19;
    border-radius: 8px;
    font-size: 0.8rem;
    color: #7dd3fc;
}

/* --- REST Principles & Comparison Table --- */
.rest-principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.85rem;
    margin-top: 1rem;
}

.principle-item {
    padding: 0.85rem;
    border-radius: 10px;
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.principle-item strong {
    display: block;
    color: var(--site-accent, #f97316);
    font-size: 0.88rem;
    margin-bottom: 0.2rem;
}

.principle-item span {
    font-size: 0.8rem;
    color: var(--site-text-muted, #94a3b8);
    line-height: 1.4;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

.comparison-table th, .comparison-table td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--site-border, rgba(255, 255, 255, 0.06));
    text-align: left;
}

.comparison-table th {
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.78rem;
    text-transform: uppercase;
}

/* --- Idempotency Boxes --- */
.idempotency-box {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.idempotency-box.idempotent {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
}

.idempotency-box.non-idempotent {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
}

.idempotency-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    background: rgba(0,0,0,0.3);
}

.idempotency-box strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

.idempotency-box p {
    font-size: 0.82rem;
    margin: 0.2rem 0;
    color: var(--site-text-muted, #94a3b8);
}

/* --- DevTools & AdTech APIs Grid --- */
.devtools-card {
    background: var(--site-bg-alt, #131b2e);
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
    border-radius: 16px;
    padding: 1.35rem;
}

.devtools-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.devtools-step {
    padding: 0.95rem;
    border-radius: 10px;
    background: rgba(11, 15, 25, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.devtools-step .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    font-weight: 800;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.devtools-step strong {
    display: block;
    color: var(--site-text-strong, #f8fafc);
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.devtools-step span {
    font-size: 0.8rem;
    color: var(--site-text-muted, #94a3b8);
    line-height: 1.4;
    display: block;
}

.adtech-apis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
}

.adtech-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    font-size: 0.78rem;
    font-weight: 700;
}

.adtech-api-head {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

/* --- Stripe-Style IDE Code Console Window --- */
.stripe-code-frame {
    background: #090d16;
    border: 1px solid var(--site-border, rgba(255, 255, 255, 0.12));
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
    margin-top: 1.5rem;
}

.stripe-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1.15rem;
    background: rgba(19, 27, 46, 0.8);
    border-bottom: 1px solid var(--site-border, rgba(255, 255, 255, 0.08));
}

.stripe-window-dots {
    display: flex;
    align-items: center;
    gap: 6px;
}

.stripe-window-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot--red { background: #ef4444; }
.dot--yellow { background: #f59e0b; }
.dot--green { background: #10b981; }

.stripe-code-tabs {
    display: flex;
    gap: 0.4rem;
}

.code-lang-btn {
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--site-text-muted, #94a3b8);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 120ms ease;
}

.code-lang-btn:hover {
    color: var(--site-text-strong, #f8fafc);
}

.code-lang-btn.active {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.3);
}

.stripe-code-body {
    padding: 1.25rem;
}

.code-lang-snippet {
    display: none;
}

.code-lang-snippet.active {
    display: block;
    animation: fadeIn 150ms ease-out;
}

.code-lang-snippet pre {
    margin: 0;
    font-size: 0.85rem;
    color: #e2e8f0;
    line-height: 1.6;
}

/* --- Request Example Breakdown & How-To Box --- */
.example-url-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 0.5rem;
    margin: 0.85rem 0;
    padding: 0.85rem;
    border-radius: 10px;
    background: rgba(11, 15, 25, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.breakdown-item {
    font-size: 0.8rem;
    color: var(--site-text-muted, #94a3b8);
}

.breakdown-item strong {
    color: var(--site-text-strong, #f8fafc);
    display: block;
    font-size: 0.76rem;
    margin-bottom: 0.15rem;
}

.breakdown-item code {
    color: #7dd3fc;
    font-size: 0.78rem;
    word-break: break-all;
}

.breakdown-item.full {
    grid-column: 1 / -1;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 0.4rem;
    margin-top: 0.2rem;
}

.example-how-to-box {
    padding: 0.75rem 0.95rem;
    border-radius: 8px;
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.25);
    color: var(--site-text, #cbd5e1);
    font-size: 0.84rem;
    margin-bottom: 1rem;
}