/* ==========================================================================
   SVN Access Manager — handwritten CSS3, no frameworks
   ========================================================================== */

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../assets/fonts/space-grotesk.woff2") format("woff2");
}

@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../assets/fonts/plus-jakarta-sans.woff2") format("woff2");
}

/* -------------------------------------------------------------------------
   Tokens
   ------------------------------------------------------------------------- */
:root {
  --color-ink: #161c28;
  --color-ink-soft: #2a3242;
  --color-bg: #f7f8f9;
  --color-surface: #ffffff;
  --color-border: #e2e5eb;
  --color-text: #1c2230;
  --color-text-muted: #59616f;
  --color-accent: #3f8f74;
  --color-accent-dark: #316d59;
  --color-code-bg: #131822;
  --color-code-text: #d8dde5;

  --font-heading: "Space Grotesk", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Plus Jakarta Sans", "Segoe UI", ui-sans-serif, system-ui, sans-serif;

  --container-width: 1120px;
  --radius: 6px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

/* -------------------------------------------------------------------------
   Reset
   ------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

p {
  margin: 0 0 var(--space-2);
}

ul {
  margin: 0 0 var(--space-2);
  padding-left: 1.2em;
}

code {
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 0.9em;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75em 1.6em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
}

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

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

/* -------------------------------------------------------------------------
   Header / Navigation (CSS-only hamburger)
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 248, 249, 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
}

.brand {
  display: flex;
  flex-direction: column;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-ink);
  line-height: 1.15;
}

.brand:hover {
  text-decoration: none;
}

.brand-tag {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
}

.nav-toggle-label span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  color: var(--color-text);
  font-size: 0.95rem;
}

.nav-menu a:hover {
  color: var(--color-accent-dark);
}

.nav-menu a[aria-current="page"] {
  color: var(--color-accent-dark);
  font-weight: 600;
}

.nav-cta {
  background: var(--color-ink);
  color: #fff !important;
  padding: 0.55em 1.3em;
  border-radius: var(--radius);
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--color-ink-soft);
  text-decoration: none !important;
}

@media (max-width: 860px) {
  .nav-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .nav-toggle:focus-visible ~ .nav-toggle-label {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }

  .nav-toggle-label {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-3) var(--space-3);
  }

  .nav-menu li {
    width: 100%;
    padding: 0.6em 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu li:last-child {
    border-bottom: none;
  }

  .nav-toggle:checked ~ .nav-menu {
    display: flex;
  }

  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */
.hero {
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-6) 0 var(--space-5);
}

.hero-inner {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  margin-bottom: var(--space-2);
}

.hero-sub {
  color: #c4cad4;
  font-size: 1.15rem;
  max-width: 42em;
  margin-bottom: var(--space-3);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero .btn-secondary,
.cta-band .btn-secondary {
  color: #fff;
  border-color: #444d5e;
}

.hero .btn-secondary:hover,
.cta-band .btn-secondary:hover {
  border-color: #fff;
}

.hero-figure {
  border: 1px solid #2c3444;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.hero-figure figcaption {
  padding: var(--space-1) var(--space-2);
  font-size: 0.8rem;
  color: #9aa3b2;
  border-top: 1px solid #2c3444;
  background: #10151f;
}

@media (min-width: 860px) {
  .hero-inner {
    grid-template-columns: 1.1fr 1fr;
  }
}

/* -------------------------------------------------------------------------
   Sections
   ------------------------------------------------------------------------- */
section {
  padding: var(--space-5) 0;
}

.section-head {
  max-width: 42em;
  margin-bottom: var(--space-4);
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-1);
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: var(--space-1);
}

.section-head p {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* Feature grid */
.feature-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-1);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  margin-bottom: 0;
}

.feature-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(63, 143, 116, 0.12);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 700;
}

/* Example / how it works */
.example {
  background: var(--color-surface);
}

.example-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .example-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.example-copy h3 {
  font-size: 1.15rem;
  margin-top: var(--space-3);
}

.example-copy h3:first-child {
  margin-top: 0;
}

.example-copy p {
  color: var(--color-text-muted);
}

.code-block {
  background: var(--color-code-bg);
  color: var(--color-code-text);
  border-radius: var(--radius);
  padding: var(--space-3);
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0 0 var(--space-2);
}

.code-block pre {
  margin: 0;
  white-space: pre;
}

.code-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

/* CTA band */
.cta-band {
  background: var(--color-ink);
  color: #fff;
  text-align: center;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  color: #c4cad4;
  max-width: 38em;
  margin-left: auto;
  margin-right: auto;
}

.cta-band .hero-actions {
  justify-content: center;
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) 0 var(--space-3);
  background: var(--color-surface);
}

.footer-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-3);
}

@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.footer-brand h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-1);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.5em;
}

.footer-col a {
  color: var(--color-text);
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: var(--color-accent-dark);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-legal a {
  color: var(--color-text-muted);
  margin-left: var(--space-2);
}

.footer-legal a:first-child {
  margin-left: 0;
}

/* -------------------------------------------------------------------------
   Content / documentation pages
   ------------------------------------------------------------------------- */
.page-hero {
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-4) 0 var(--space-4);
}

.breadcrumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  margin: 0 0 var(--space-2);
  padding: 0;
  font-size: 0.85rem;
  color: #9aa3b2;
}

.breadcrumbs a {
  color: #c4cad4;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 0.4em;
  color: #5b6472;
}

.breadcrumbs li:last-child {
  color: #fff;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  margin-bottom: var(--space-1);
}

.page-hero p {
  color: #c4cad4;
  max-width: 46em;
  margin-bottom: 0;
}

.content-section {
  padding: var(--space-5) 0;
}

.doc-layout {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .doc-layout {
    grid-template-columns: 200px 1fr;
    align-items: start;
  }
}

.doc-toc {
  position: sticky;
  top: 90px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--space-2);
}

.doc-toc h2 {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.doc-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.doc-toc li {
  margin-bottom: 0.4em;
}

.doc-toc a {
  color: var(--color-text);
  font-size: 0.9rem;
}

.doc-toc a:hover {
  color: var(--color-accent-dark);
}

/* Prose */
.prose h2 {
  font-size: 1.4rem;
  margin-top: var(--space-4);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  font-size: 1.1rem;
  margin-top: var(--space-3);
}

.prose h4 {
  font-size: 1rem;
  margin-top: var(--space-3);
}

.prose p,
.prose ul,
.prose ol {
  color: var(--color-text);
}

.prose a {
  text-decoration: underline;
}

.prose em {
  color: var(--color-text-muted);
}

.prose pre {
  background: var(--color-code-bg);
  color: var(--color-code-text);
  border-radius: var(--radius);
  padding: var(--space-3);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0 0 var(--space-2);
  white-space: pre;
}

.prose code {
  background: rgba(63, 143, 116, 0.1);
  color: var(--color-accent-dark);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.prose pre code {
  background: none;
  color: inherit;
  padding: 0;
}

/* Callouts */
.callout {
  border-left: 4px solid var(--color-accent);
  background: rgba(63, 143, 116, 0.08);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-2) var(--space-3);
  margin: 0 0 var(--space-3);
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.3em;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 0 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.65em 0.9em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

thead th {
  background: var(--color-bg);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

tbody tr:last-child td {
  border-bottom: none;
}

td code {
  font-size: 0.85em;
}

/* Screenshot figures within prose */
.screenshot-figure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  margin: 0 0 var(--space-3);
}

.screenshot-figure img {
  width: 100%;
}

.screenshot-figure figcaption {
  padding: 0.5em 0.9em;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

.screenshot-grid {
  display: grid;
  gap: var(--space-3);
  margin: 0 0 var(--space-3);
}

@media (min-width: 640px) {
  .screenshot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Changelog */
.changelog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 46em;
}

.changelog-entry {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  padding: var(--space-3);
}

.changelog-version {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-ink);
  background: rgba(63, 143, 116, 0.12);
  color: var(--color-accent-dark);
  padding: 0.2em 0.7em;
  border-radius: 4px;
  margin-bottom: var(--space-1);
}

.changelog-body ul {
  margin: 0.6em 0 0;
}

.changelog-body p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* Download table shortcuts */
.download-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}

.download-list a {
  font-weight: 600;
}

/* -------------------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition-duration: 0.001ms !important;
  }
}