* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100%;
    background:
        linear-gradient(180deg, rgba(223, 243, 235, 0.72), transparent 360px),
        var(--color-canvas);
    color: var(--color-ink);
    font-family: var(--font-sans);
    letter-spacing: 0;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

a {
    color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--color-brand) 62%, white);
    outline-offset: 3px;
}

img,
svg {
    display: block;
    max-width: 100%;
}

button,
input {
    font: inherit;
}

.skip-link {
    position: fixed;
    left: var(--space-4);
    top: var(--space-4);
    z-index: 100;
    transform: translateY(-160%);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: var(--space-3) var(--space-4);
}

.skip-link:focus {
    transform: translateY(0);
}

.container,
.container-wide {
    width: min(100% - 32px, var(--container));
    margin-inline: auto;
}

.container-wide {
    width: min(100% - 32px, var(--container-wide));
}

.section {
    padding-block: var(--space-16);
}

.section-muted {
    background: color-mix(in srgb, var(--color-canvas-muted) 80%, transparent);
}

.surface,
.card,
.tool-panel,
.article-body,
.aside-panel {
    background: color-mix(in srgb, var(--color-surface) 94%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.card,
.tool-panel,
.article-body,
.aside-panel {
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.card-link:hover,
.card-link:focus-visible,
.article-card:hover,
.article-card:focus-visible {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--color-border);
    background: color-mix(in srgb, var(--color-surface) 88%, transparent);
    backdrop-filter: blur(18px);
}

.nav {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-ink);
    font-weight: 800;
    text-decoration: none;
}

.brand img {
    width: 34px;
    height: 34px;
}

.brand span {
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-link {
    border-radius: var(--radius-md);
    color: var(--color-muted);
    font-size: 0.95rem;
    font-weight: 650;
    padding: var(--space-2) var(--space-3);
    text-decoration: none;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
    background: var(--color-brand-soft);
    color: var(--color-brand-strong);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.icon-btn {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-ink);
    cursor: pointer;
}

.icon-btn:hover,
.icon-btn:focus-visible {
    border-color: var(--color-brand);
    color: var(--color-brand-strong);
}

.mobile-menu {
    display: none;
    border-top: 1px solid var(--color-border);
    padding-block: var(--space-3);
}

.mobile-only {
    display: none;
}

.mobile-menu.is-open {
    display: block;
}

.mobile-menu .nav-link,
.mobile-menu .btn {
    width: 100%;
    justify-content: flex-start;
}

.site-main {
    min-height: 60vh;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
    align-items: center;
    gap: var(--space-12);
    padding-block: var(--space-16) var(--space-12);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-4);
    color: var(--color-brand-strong);
    font-size: 0.88rem;
    font-weight: 800;
    text-transform: uppercase;
}

.hero-title,
.page-title,
.article-title {
    margin: 0;
    color: var(--color-ink);
    font-size: 2.25rem;
    line-height: 1.08;
    font-weight: 850;
    letter-spacing: 0;
}

.hero-copy,
.page-copy,
.article-deck {
    margin: var(--space-5) 0 0;
    color: var(--color-ink-soft);
    font-size: 1.08rem;
    line-height: 1.7;
}

.hero-copy {
    max-width: 640px;
}

.trust-row,
.meta-row,
.tag-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.trust-row {
    margin-top: var(--space-6);
}

.pill,
.status-pill,
.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 32px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-ink-soft);
    font-size: 0.82rem;
    font-weight: 700;
    padding: var(--space-1) var(--space-3);
}

.pill[data-tone="brand"],
.tag {
    background: var(--color-brand-soft);
    border-color: color-mix(in srgb, var(--color-brand) 22%, var(--color-border));
    color: var(--color-brand-strong);
}

.pill[data-tone="accent"] {
    background: var(--color-accent-soft);
    border-color: color-mix(in srgb, var(--color-accent) 34%, var(--color-border));
}

.tool-panel {
    padding: var(--space-6);
}

.hero-tool {
    margin-top: var(--space-8);
}

.download-form {
    display: grid;
    gap: var(--space-3);
}

.form-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-3);
}

.input-wrap {
    position: relative;
}

.input {
    width: 100%;
    min-height: 54px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-ink);
    outline: none;
    padding: 0 var(--space-4);
}

.input-wrap .input {
    padding-right: 9rem;
}

.input::placeholder {
    color: color-mix(in srgb, var(--color-muted) 72%, transparent);
}

.input:focus {
    border-color: var(--color-brand);
    box-shadow: var(--shadow-focus);
}

.input-badge {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
}

.btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 800;
    line-height: 1.2;
    padding: 0.75rem 1rem;
    text-decoration: none;
    transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-1px);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.62;
    transform: none;
}

.btn-primary {
    background: var(--color-brand);
    color: white;
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: var(--color-brand-strong);
}

.btn-secondary {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-ink);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    border-color: var(--color-brand);
    color: var(--color-brand-strong);
}

.btn-accent {
    background: var(--color-accent);
    color: #211704;
}

.btn-ghost {
    background: transparent;
    color: var(--color-brand-strong);
}

.example-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-muted);
    font-size: 0.9rem;
}

.text-link {
    border: 0;
    background: transparent;
    color: var(--color-brand-strong);
    cursor: pointer;
    font-weight: 750;
    padding: 0;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.progress-panel,
.error-panel,
.results-panel {
    margin-top: var(--space-6);
    padding: var(--space-5);
}

.progress-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.spinner {
    width: 22px;
    height: 22px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-brand);
    border-radius: 50%;
    animation: spin 900ms linear infinite;
}

.progress-track {
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--color-canvas-muted);
}

.progress-fill,
.progress-meter {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
    transition: width 260ms ease;
}

.progress-meter {
    width: 100%;
    height: 8px;
    display: block;
    appearance: none;
    border: 0;
    background: var(--color-canvas-muted);
}

.progress-meter::-webkit-progress-bar {
    border-radius: 999px;
    background: var(--color-canvas-muted);
}

.progress-meter::-webkit-progress-value {
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
    transition: width 260ms ease;
}

.progress-meter::-moz-progress-bar {
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
}

.muted {
    color: var(--color-muted);
}

.flush-heading,
.flush-text,
.progress-title {
    margin: 0;
}

.progress-title {
    font-weight: 800;
}

.panel-copy {
    margin: 0.5rem 0 1.25rem;
}

.compact-copy,
.progress-detail {
    margin: 0.35rem 0 0;
}

.progress-detail {
    margin-top: 0.25rem;
}

.card-title-offset {
    margin-top: 1rem;
}

.error-panel {
    background: var(--color-danger-soft);
    border-color: color-mix(in srgb, var(--color-danger) 38%, var(--color-border));
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.image-tile {
    aspect-ratio: 1;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-canvas-muted);
}

.image-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.visual-card {
    position: relative;
    overflow: hidden;
    min-height: 420px;
    padding: var(--space-6);
}

.visual-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--color-brand) 20%, transparent), transparent 28%),
        radial-gradient(circle at 82% 24%, color-mix(in srgb, var(--color-accent) 30%, transparent), transparent 32%);
    pointer-events: none;
}

.visual-card img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 22px 38px rgba(24, 32, 28, 0.18));
}

.metric-strip {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.metric {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--color-surface) 88%, transparent);
    padding: var(--space-3);
}

.metric strong {
    display: block;
    font-size: 1.2rem;
}

.feature-grid,
.article-grid,
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
}

.feature-card,
.article-card,
.category-card {
    padding: var(--space-5);
}

.feature-card h3,
.article-card h2,
.article-card h3,
.category-card h3,
.aside-panel h2,
.aside-panel h3 {
    margin: 0;
    line-height: 1.28;
}

.feature-card p,
.article-card p,
.category-card p {
    color: var(--color-muted);
    line-height: 1.65;
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.section-head h2 {
    margin: 0;
    font-size: 1.8rem;
    line-height: 1.2;
}

.section-head p {
    max-width: 620px;
    margin: var(--space-2) 0 0;
    color: var(--color-muted);
    line-height: 1.65;
}

.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: grid;
    gap: var(--space-3);
}

.faq-item {
    padding: var(--space-4) var(--space-5);
}

.faq-item summary {
    cursor: pointer;
    font-weight: 800;
}

.faq-item p {
    color: var(--color-muted);
    line-height: 1.65;
}

.blog-hero,
.article-hero,
.error-hero {
    padding-block: var(--space-12);
}

.blog-tools {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-4);
    align-items: center;
    margin-bottom: var(--space-8);
    padding: var(--space-5);
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.filter-btn {
    min-height: 38px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-ink-soft);
    cursor: pointer;
    font-weight: 750;
    padding: 0.5rem 0.75rem;
}

.filter-btn[aria-pressed="true"] {
    background: var(--color-brand);
    border-color: var(--color-brand);
    color: white;
}

.article-card {
    display: flex;
    min-height: 100%;
    flex-direction: column;
    gap: var(--space-4);
    text-decoration: none;
}

.article-card footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: auto;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--space-8);
    align-items: start;
}

.article-body {
    min-width: 0;
    overflow: hidden;
    padding: var(--space-8);
}

.article-aside {
    display: grid;
    gap: var(--space-4);
    position: sticky;
    top: 92px;
}

.aside-panel {
    padding: var(--space-5);
}

.aside-list {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-4) 0 0;
    padding: 0;
    list-style: none;
}

.aside-list a {
    display: block;
    color: var(--color-ink);
    font-weight: 750;
    line-height: 1.35;
    text-decoration: none;
}

.aside-list a:hover {
    color: var(--color-brand-strong);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-muted);
    font-size: 0.92rem;
    margin-bottom: var(--space-6);
}

.breadcrumb a {
    color: var(--color-brand-strong);
    font-weight: 750;
    text-decoration: none;
}

.prose {
    color: var(--color-ink);
    font-size: 1.02rem;
    line-height: 1.75;
    max-width: 100%;
    min-width: 0;
    overflow-wrap: anywhere;
}

.prose > *:first-child {
    margin-top: 0;
}

.prose h1 {
    display: none;
}

.prose h2,
.prose h3,
.prose h4 {
    color: var(--color-ink);
    letter-spacing: 0;
    line-height: 1.25;
}

.prose h2 {
    margin-top: var(--space-10);
    font-size: 1.55rem;
}

.prose h3 {
    margin-top: var(--space-8);
    font-size: 1.25rem;
}

.prose h4 {
    margin-top: var(--space-6);
    font-size: 1.05rem;
}

.prose p,
.prose li {
    color: var(--color-ink-soft);
}

.prose a {
    color: var(--color-brand-strong);
    font-weight: 750;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.prose blockquote {
    margin: var(--space-6) 0;
    border-left: 4px solid var(--color-brand);
    background: var(--color-brand-soft);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
}

.prose table {
    width: 100%;
    max-width: 100%;
    display: block;
    overflow-x: auto;
    border-collapse: collapse;
    margin: var(--space-6) 0;
}

.prose th,
.prose td {
    border: 1px solid var(--color-border);
    padding: 0.75rem;
    text-align: left;
    vertical-align: top;
}

.prose th {
    background: var(--color-canvas-muted);
}

.prose pre,
.prose code {
    font-family: var(--font-mono);
}

.prose pre {
    max-width: 100%;
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #111512;
    color: #f4f6f2;
    padding: var(--space-4);
}

.prose :not(pre) > code {
    border-radius: var(--radius-xs);
    background: var(--color-canvas-muted);
    padding: 0.08rem 0.28rem;
}

.prose .tip-box,
.prose .highlight-box {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-raised);
    box-shadow: none;
    padding: var(--space-5);
}

.prose .tip-box.success {
    border-color: color-mix(in srgb, var(--color-success) 32%, var(--color-border));
    background: var(--color-success-soft);
}

.prose .tip-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.article-sources {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-10);
    padding-top: var(--space-6);
}

.article-sources h2 {
    font-size: 1.2rem;
    margin: 0 0 var(--space-3);
}

.article-sources ul {
    display: grid;
    gap: var(--space-2);
    margin: var(--space-4) 0 0;
    padding-left: 1.2rem;
}

.article-sources a {
    color: var(--color-brand-strong);
    font-weight: 750;
    text-underline-offset: 3px;
}

.reading-progress {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 80;
    width: 100%;
    height: 3px;
    appearance: none;
    border: 0;
    background: transparent;
}

.reading-progress::-webkit-progress-bar {
    background: transparent;
}

.reading-progress::-webkit-progress-value {
    background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
    transition: width 120ms linear;
}

.reading-progress::-moz-progress-bar {
    background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
    transition: width 120ms linear;
}

.share-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.share-row-centered {
    justify-content: center;
}

.tag-row-spaced {
    margin-bottom: 1rem;
}

.tag-row-relaxed {
    margin-top: 1.5rem;
}

.section-tight-top {
    padding-top: 0;
}

.empty-state {
    margin-top: var(--space-8);
    padding: var(--space-8);
    text-align: center;
}

.error-help {
    margin-top: var(--space-8);
    padding: var(--space-5);
    text-align: left;
}

.error-hero {
    max-width: 680px;
    text-align: center;
}

.site-footer {
    border-top: 1px solid var(--color-border);
    background: color-mix(in srgb, var(--color-surface) 72%, transparent);
    margin-top: var(--space-16);
    padding-block: var(--space-10);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-grid h2,
.footer-grid h3 {
    margin: 0 0 var(--space-3);
    font-size: 1rem;
}

.footer-grid p,
.footer-grid a {
    color: var(--color-muted);
    line-height: 1.6;
}

.footer-grid a {
    display: block;
    text-decoration: none;
    margin: 0.35rem 0;
}

.footer-grid a:hover {
    color: var(--color-brand-strong);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    margin-top: var(--space-8);
    padding-top: var(--space-5);
    font-size: 0.9rem;
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (min-width: 768px) {
    .hero-title,
    .page-title {
        font-size: 3.25rem;
    }

    .article-title {
        font-size: 2.75rem;
    }
}

@media (max-width: 960px) {
    .hero-grid,
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-aside {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature-grid,
    .article-grid,
    .category-grid,
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .nav-links {
        display: none;
    }

    .mobile-only {
        display: inline-grid;
    }

    .desktop-only {
        display: none;
    }

    .hero-grid,
    .blog-hero,
    .article-hero {
        padding-block: var(--space-10);
    }

    .section {
        padding-block: var(--space-10);
    }

    .form-row,
    .blog-tools,
    .metric-strip,
    .article-aside,
    .feature-grid,
    .article-grid,
    .category-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .input-wrap .input {
        padding-right: var(--space-4);
    }

    .input-badge {
        position: static;
        transform: none;
        margin-top: var(--space-2);
    }

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

    .section-head,
    .results-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .article-body,
    .tool-panel {
        padding: var(--space-5);
    }

    .prose div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    .prose [style*="minmax"],
    .prose [style*="max-width"] {
        max-width: 100% !important;
    }

    .visual-card {
        min-height: auto;
    }
}

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