/* ===========================
   DESIGN TOKENS - dark default
   =========================== */
:root {
  --color-bg:           #080A1E;
  --color-surface:      #0D0F2A;
  --color-card:         rgba(255, 255, 255, 0.04);
  --color-card-hover:   rgba(255, 255, 255, 0.07);
  --color-accent:       #02D5C4;
  --color-accent-dim:   rgba(2, 213, 196, 0.12);
  --color-accent-ring:  rgba(2, 213, 196, 0.3);
  --color-on-accent:    #080A1E;
  --color-text:         #E8EEFF;
  --color-muted:        #7B88A8;
  --color-border:       rgba(255, 255, 255, 0.08);
  --color-nav:          rgba(8, 10, 30, 0.82);
  --color-hero-glow-a:  rgba(2, 213, 196, 0.09);
  --color-hero-glow-b:  rgba(2, 153, 242, 0.06);
  --radius:    16px;
  --radius-sm: 10px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --ease: 0.2s ease;
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg:           #F0F4FF;
    --color-surface:      #FFFFFF;
    --color-card:         rgba(255, 255, 255, 0.85);
    --color-card-hover:   rgba(255, 255, 255, 1);
    --color-accent:       #0299F2;
    --color-accent-dim:   rgba(2, 153, 242, 0.10);
    --color-accent-ring:  rgba(2, 153, 242, 0.3);
    --color-on-accent:    #ffffff;
    --color-text:         #1A1B3C;
    --color-muted:        #5A6580;
    --color-border:       rgba(0, 0, 0, 0.08);
    --color-nav:          rgba(240, 244, 255, 0.88);
    --color-hero-glow-a:  rgba(2, 153, 242, 0.08);
    --color-hero-glow-b:  rgba(2, 213, 196, 0.05);
  }
}

/* ===========================
   RESET & BASE
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ===========================
   NAV
   =========================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--color-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.nav-brand img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
}

.nav-links { display: flex; align-items: center; gap: 6px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--ease), background var(--ease);
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-card);
}

.nav-link svg { width: 15px; height: 15px; fill: currentColor; flex-shrink: 0; }

.nav-cta {
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-weight: 600;
}

.nav-cta:hover { opacity: 0.88; color: var(--color-on-accent); background: var(--color-accent); }

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 55% at 65% 40%, var(--color-hero-glow-a) 0%, transparent 65%),
    radial-gradient(ellipse 45% 45% at 85% 75%, var(--color-hero-glow-b) 0%, transparent 55%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-accent-ring);
  color: var(--color-accent);
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: fit-content;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-title .accent { color: var(--color-accent); }

.hero-desc {
  font-size: 1.1rem;
  color: var(--color-muted);
  line-height: 1.72;
  max-width: 460px;
}

.hero-services {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-badge {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--color-muted);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.app-store-badge {
  height: 44px;
  width: auto;
  filter: none;
  transition: opacity var(--ease);
}

.app-store-badge:hover { opacity: 0.8; }

@media (prefers-color-scheme: light) {
  .app-store-badge { filter: none; }
}

.hero-github-link {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--ease);
}

.hero-github-link:hover { color: var(--color-text); }

.hero-github-link svg { width: 18px; height: 18px; fill: currentColor; }

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  width: 100%;
  max-width: 400px;
  filter: drop-shadow(0 24px 64px rgba(2, 213, 196, 0.22));
}

@media (prefers-color-scheme: light) {
  .hero-image img { filter: drop-shadow(0 24px 64px rgba(2, 153, 242, 0.18)); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

/* ===========================
   FEATURES
   =========================== */
.features { padding: 100px 24px; }

.section-header { text-align: center; margin-bottom: 56px; }

.section-tag {
  display: inline-block;
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 10px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: background var(--ease), border-color var(--ease), transform var(--ease);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.feature-card:hover {
  background: var(--color-card-hover);
  border-color: var(--color-accent-ring);
  transform: translateY(-3px);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: var(--color-accent-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 9px;
  letter-spacing: -0.01em;
}

.feature-desc {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ===========================
   SCREENSHOTS
   =========================== */
.screenshots { padding: 0 0 100px; }

.screenshots .section-header { padding: 0 24px; }

.screenshots-wrapper {
  position: relative;
  margin-top: 48px;
}

.screenshots-wrapper::before,
.screenshots-wrapper::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  pointer-events: none;
  z-index: 2;
}

.screenshots-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-bg) 20%, transparent);
}

.screenshots-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-bg) 20%, transparent);
}

.screenshots-strip {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 16px 80px 40px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
}

.screenshots-strip:active { cursor: grabbing; }
.screenshots-strip::-webkit-scrollbar { display: none; }

.screenshot-frame {
  flex: 0 0 auto;
  width: 220px;
  border-radius: 32px;
  overflow: hidden;
  scroll-snap-align: start;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.07);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.screenshot-frame:hover {
  transform: translateY(-8px) scale(1.025);
  box-shadow:
    0 36px 80px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(255, 255, 255, 0.12),
    0 0 50px var(--color-accent-dim);
}

.screenshot-frame img { width: 100%; height: auto; display: block; }

@media (prefers-color-scheme: light) {
  .screenshot-frame {
    box-shadow:
      0 24px 60px rgba(0, 0, 0, 0.18),
      0 0 0 1px rgba(0, 0, 0, 0.06);
  }
  .screenshot-frame:hover {
    box-shadow:
      0 36px 80px rgba(0, 0, 0, 0.22),
      0 0 0 1px rgba(0, 0, 0, 0.1),
      0 0 50px var(--color-accent-dim);
  }
}

html[data-theme="light"] .screenshot-frame {
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.18),
    0 0 0 1px rgba(0, 0, 0, 0.06);
}
html[data-theme="light"] .screenshot-frame:hover {
  box-shadow:
    0 36px 80px rgba(0, 0, 0, 0.22),
    0 0 0 1px rgba(0, 0, 0, 0.1),
    0 0 50px var(--color-accent-dim);
}
html[data-theme="dark"] .screenshot-frame {
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.07);
}
html[data-theme="dark"] .screenshot-frame:hover {
  box-shadow:
    0 36px 80px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(255, 255, 255, 0.12),
    0 0 50px var(--color-accent-dim);
}

@media (max-width: 780px) {
  .screenshot-frame { width: 180px; border-radius: 26px; }
  .screenshots-wrapper::before,
  .screenshots-wrapper::after { width: 40px; }
  .screenshots-strip { padding: 12px 40px 28px; gap: 14px; }
}

/* ===========================
   OPEN SOURCE
   =========================== */
.oss { padding: 60px 24px 100px; }

.oss-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 56px 48px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.oss-inner::before {
  content: '';
  position: absolute;
  top: -60%; left: -20%;
  width: 140%; height: 140%;
  background: radial-gradient(ellipse 50% 40% at 50% 0%, var(--color-accent-dim), transparent);
  pointer-events: none;
}

.oss-github-icon {
  fill: var(--color-accent);
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  display: block;
}

.oss-title {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.oss-desc {
  color: var(--color-muted);
  font-size: 0.93rem;
  line-height: 1.72;
  margin-bottom: 32px;
}

.oss-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--ease);
}

.btn svg { width: 16px; height: 16px; fill: currentColor; }

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

.btn-primary:hover { opacity: 0.85; color: var(--color-on-accent); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  background: var(--color-card-hover);
  border-color: var(--color-accent-ring);
  color: var(--color-accent);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 28px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.footer-brand img {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  opacity: 0.6;
}

.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

.footer-links a {
  color: var(--color-muted);
  font-size: 0.82rem;
  transition: color var(--ease);
}

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

/* ===========================
   CONTENT PAGES (privacy, support)
   =========================== */
.content-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

.content-page h1 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}

.page-meta {
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-bottom: 52px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.content-page h2 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 40px 0 10px;
}

.content-page p {
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}

.content-page a { color: var(--color-accent); }
.content-page a:hover { opacity: 0.8; }

.content-page ul {
  color: var(--color-muted);
  padding-left: 20px;
  line-height: 1.8;
  margin-bottom: 14px;
}

.content-page ul li { margin-bottom: 4px; }
.content-page strong { color: var(--color-text); font-weight: 600; }

.content-page code {
  font-family: "JetBrains Mono", "SF Mono", "Source Code Pro", "Fira Code", monospace;
  font-size: 0.85em;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 2px 6px;
  color: var(--color-accent);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 780px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-image { order: -1; }
  .hero-image img { max-width: 260px; }
  .hero-desc { margin: 0 auto; }
  .hero-services { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-eyebrow { margin: 0 auto; }

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

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

  .oss-inner { padding: 36px 24px; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

/* ===========================
   SCROLL HINT
   =========================== */
.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  animation: scroll-bounce 2.4s ease-in-out infinite;
}

.scroll-hint-text {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-hint svg {
  width: 22px;
  height: 22px;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0);   opacity: 0.55; }
  50%       { transform: translateX(-50%) translateY(7px); opacity: 0.25; }
}

@media (max-width: 780px) {
  .scroll-hint { bottom: 18px; }
}

/* ===========================
   CHANGELOG
   =========================== */
.release-entry {
  padding: 36px 0;
  border-bottom: 1px solid var(--color-border);
}

.release-entry:first-of-type { padding-top: 0; }
.release-entry:last-of-type  { border-bottom: none; }

.release-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.release-tag {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.01em;
  font-family: "SF Mono", "Fira Code", monospace;
}

.release-tag:hover { opacity: 0.75; }

.release-date {
  font-size: 0.82rem;
  color: var(--color-muted);
}

.release-body { color: var(--color-muted); font-size: 0.93rem; line-height: 1.75; }
.release-body h2, .release-body h3 { color: var(--color-text); font-size: 0.95rem; font-weight: 700; margin: 18px 0 8px; }
.release-body ul { padding-left: 20px; margin-bottom: 12px; }
.release-body li { margin-bottom: 5px; }
.release-body p  { margin-bottom: 10px; }
.release-body strong { color: var(--color-text); }
.release-body code {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.85em;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--color-accent);
}

.release-error { color: var(--color-muted); }
.release-error a { color: var(--color-accent); }

/* ===========================
   404
   =========================== */
.not-found {
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  gap: 14px;
}

.not-found img {
  width: 200px;
  margin-bottom: 8px;
  filter: drop-shadow(0 16px 40px rgba(2, 213, 196, 0.18));
  animation: float 4.5s ease-in-out infinite;
}

@media (prefers-color-scheme: light) {
  .not-found img { filter: drop-shadow(0 16px 40px rgba(2, 153, 242, 0.15)); }
}

.not-found-code {
  font-size: 5.5rem;
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: -0.04em;
  line-height: 1;
}

.not-found-msg {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

/* ===========================
   MANUAL THEME OVERRIDES
   html[data-theme="..."] beats :root and @media queries
   =========================== */
html[data-theme="light"] {
  --color-bg:           #F0F4FF;
  --color-surface:      #FFFFFF;
  --color-card:         rgba(255, 255, 255, 0.85);
  --color-card-hover:   rgba(255, 255, 255, 1);
  --color-accent:       #0299F2;
  --color-accent-dim:   rgba(2, 153, 242, 0.10);
  --color-accent-ring:  rgba(2, 153, 242, 0.3);
  --color-on-accent:    #ffffff;
  --color-text:         #1A1B3C;
  --color-muted:        #5A6580;
  --color-border:       rgba(0, 0, 0, 0.08);
  --color-nav:          rgba(240, 244, 255, 0.88);
  --color-hero-glow-a:  rgba(2, 153, 242, 0.08);
  --color-hero-glow-b:  rgba(2, 213, 196, 0.05);
}

html[data-theme="dark"] {
  --color-bg:           #080A1E;
  --color-surface:      #0D0F2A;
  --color-card:         rgba(255, 255, 255, 0.04);
  --color-card-hover:   rgba(255, 255, 255, 0.07);
  --color-accent:       #02D5C4;
  --color-accent-dim:   rgba(2, 213, 196, 0.12);
  --color-accent-ring:  rgba(2, 213, 196, 0.3);
  --color-on-accent:    #080A1E;
  --color-text:         #E8EEFF;
  --color-muted:        #7B88A8;
  --color-border:       rgba(255, 255, 255, 0.08);
  --color-nav:          rgba(8, 10, 30, 0.82);
  --color-hero-glow-a:  rgba(2, 213, 196, 0.09);
  --color-hero-glow-b:  rgba(2, 153, 242, 0.06);
}

/* Non-variable properties that need explicit overrides */
html[data-theme="light"] .app-store-badge { filter: none; }
html[data-theme="dark"]  .app-store-badge { filter: none; }

html[data-theme="light"] .hero-image img  { filter: drop-shadow(0 24px 64px rgba(2, 153, 242, 0.18)); }
html[data-theme="dark"]  .hero-image img  { filter: drop-shadow(0 24px 64px rgba(2, 213, 196, 0.22)); }

html[data-theme="light"] .not-found img   { filter: drop-shadow(0 16px 40px rgba(2, 153, 242, 0.15)); }
html[data-theme="dark"]  .not-found img   { filter: drop-shadow(0 16px 40px rgba(2, 213, 196, 0.18)); }

/* ===========================
   THEME TOGGLE BUTTON
   =========================== */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  padding: 7px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--ease), background var(--ease);
  line-height: 0;
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-card);
}

.theme-toggle svg { width: 18px; height: 18px; }

/* Dark mode (default): show sun, hide moon */
.theme-toggle-sun  { display: block; }
.theme-toggle-moon { display: none; }

/* Light mode (system): show moon, hide sun */
@media (prefers-color-scheme: light) {
  .theme-toggle-sun  { display: none; }
  .theme-toggle-moon { display: block; }
}

/* Manual dark: sun visible */
html[data-theme="dark"] .theme-toggle-sun  { display: block; }
html[data-theme="dark"] .theme-toggle-moon { display: none; }

/* Manual light: moon visible */
html[data-theme="light"] .theme-toggle-sun  { display: none; }
html[data-theme="light"] .theme-toggle-moon { display: block; }

/* ===========================
   HAMBURGER MENU (BUTTON)
   =========================== */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  width: 36px;
  height: 36px;
  padding: 8px;
  border: none;
  margin-left: 3vw;
  background: none;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  transition: color var(--ease), background var(--ease);
  flex-shrink: 0;
}

.hamburger:hover { color: var(--color-text); background: var(--color-card); }

.hamburger-line {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transform-origin: center;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

body.nav-open .hamburger .hamburger-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.nav-open .hamburger .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
body.nav-open .hamburger .hamburger-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===========================
   DRAWER OVERLAY
   =========================== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

body.nav-open .drawer-overlay { opacity: 1; pointer-events: auto; }

/* ===========================
   DRAWER PANEL
   =========================== */
.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 300px;
  max-width: 85vw;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: 201;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  -webkit-overflow-scrolling: touch;
}

body.nav-open .drawer { transform: translateX(0); }

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 0 16px;
  min-height: 60px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1rem;
}

.drawer-brand img {
  width: 26px;
  height: 26px;
  border-radius: 6px;
}

.drawer-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  transition: color var(--ease), background var(--ease);
  flex-shrink: 0;
}

.drawer-close-btn:hover { color: var(--color-text); background: var(--color-card); }
.drawer-close-btn svg { width: 18px; height: 18px; }

/* ===========================
   DRAWER NAV
   =========================== */
.drawer-nav { padding: 4px 0 32px; flex: 1; }

.drawer-group { padding: 18px 0 10px; }
.drawer-group + .drawer-group { border-top: 1px solid var(--color-border); }

.drawer-group-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding: 0 20px;
  margin-bottom: 4px;
}

.drawer-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.93rem;
  font-weight: 500;
  min-height: 44px;
  transition: background var(--ease), color var(--ease);
}

.drawer-link:hover { background: var(--color-card-hover); color: var(--color-text); }

.drawer-link svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.65; }

.drawer-link-accent { color: var(--color-accent); font-weight: 600; padding: 7px 0px 7px 9px; margin-right: 0px; margin-left: 7px; }
.drawer-link-accent:hover { background: var(--color-accent-dim); color: var(--color-accent); }

.drawer-link-stacked {
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-height: 54px;
}

.drawer-link-title { font-size: 0.93rem; font-weight: 600; color: var(--color-text); }

.drawer-link-desc {
  font-size: 0.77rem;
  color: var(--color-muted);
  font-weight: 400;
  line-height: 1.45;
}

/* Focus styles */
.hamburger:focus-visible,
.drawer-close-btn:focus-visible,
.drawer-link:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* ===========================
   CHROMA SYNTAX HIGHLIGHTING
   =========================== */

/* Generated using: hugo gen chromastyles */

/* Background */ .bg { background-color:#f0f0f0; }
/* PreWrapper */ .chroma { background-color:#f0f0f0;-webkit-text-size-adjust:none; }
/* LineLink */ .chroma .lnlinks { outline:none;text-decoration:none;color:inherit }
/* LineTableTD */ .chroma .lntd { vertical-align:top;padding:0;margin:0;border:0; }
/* LineTable */ .chroma .lntable { border-spacing:0;padding:0;margin:0;border:0; }
/* LineHighlight */ .chroma .hl { background-color:#d8d8d8 }
/* LineNumbersTable */ .chroma .lnt { white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f }
/* LineNumbers */ .chroma .ln { white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f }
/* Line */ .chroma .line { display:flex; }
/* Keyword */ .chroma .k { color:#007020;font-weight:bold }
/* KeywordConstant */ .chroma .kc { color:#007020;font-weight:bold }
/* KeywordDeclaration */ .chroma .kd { color:#007020;font-weight:bold }
/* KeywordNamespace */ .chroma .kn { color:#007020;font-weight:bold }
/* KeywordPseudo */ .chroma .kp { color:#007020 }
/* KeywordReserved */ .chroma .kr { color:#007020;font-weight:bold }
/* KeywordType */ .chroma .kt { color:#902000 }
/* NameAttribute */ .chroma .na { color:#4070a0 }
/* NameClass */ .chroma .nc { color:#0e84b5;font-weight:bold }
/* NameConstant */ .chroma .no { color:#60add5 }
/* NameDecorator */ .chroma .nd { color:#555;font-weight:bold }
/* NameEntity */ .chroma .ni { color:#d55537;font-weight:bold }
/* NameException */ .chroma .ne { color:#007020 }
/* NameLabel */ .chroma .nl { color:#002070;font-weight:bold }
/* NameNamespace */ .chroma .nn { color:#0e84b5;font-weight:bold }
/* NameTag */ .chroma .nt { color:#062873;font-weight:bold }
/* NameBuiltin */ .chroma .nb { color:#007020 }
/* NameBuiltinPseudo */ .chroma .bp { color:#007020 }
/* NameVariable */ .chroma .nv { color:#bb60d5 }
/* NameVariableClass */ .chroma .vc { color:#bb60d5 }
/* NameVariableGlobal */ .chroma .vg { color:#bb60d5 }
/* NameVariableInstance */ .chroma .vi { color:#bb60d5 }
/* NameVariableMagic */ .chroma .vm { color:#bb60d5 }
/* NameFunction */ .chroma .nf { color:#06287e }
/* NameFunctionMagic */ .chroma .fm { color:#06287e }
/* LiteralString */ .chroma .s { color:#4070a0 }
/* LiteralStringAffix */ .chroma .sa { color:#4070a0 }
/* LiteralStringBacktick */ .chroma .sb { color:#4070a0 }
/* LiteralStringChar */ .chroma .sc { color:#4070a0 }
/* LiteralStringDelimiter */ .chroma .dl { color:#4070a0 }
/* LiteralStringDoc */ .chroma .sd { color:#4070a0;font-style:italic }
/* LiteralStringDouble */ .chroma .s2 { color:#4070a0 }
/* LiteralStringEscape */ .chroma .se { color:#4070a0;font-weight:bold }
/* LiteralStringHeredoc */ .chroma .sh { color:#4070a0 }
/* LiteralStringInterpol */ .chroma .si { color:#70a0d0 }
/* LiteralStringOther */ .chroma .sx { color:#c65d09 }
/* LiteralStringRegex */ .chroma .sr { color:#235388 }
/* LiteralStringSingle */ .chroma .s1 { color:#4070a0 }
/* LiteralStringSymbol */ .chroma .ss { color:#517918 }
/* LiteralNumber */ .chroma .m { color:#40a070 }
/* LiteralNumberBin */ .chroma .mb { color:#40a070 }
/* LiteralNumberFloat */ .chroma .mf { color:#40a070 }
/* LiteralNumberHex */ .chroma .mh { color:#40a070 }
/* LiteralNumberInteger */ .chroma .mi { color:#40a070 }
/* LiteralNumberIntegerLong */ .chroma .il { color:#40a070 }
/* LiteralNumberOct */ .chroma .mo { color:#40a070 }
/* Operator */ .chroma .o { color:#666 }
/* OperatorWord */ .chroma .ow { color:#007020;font-weight:bold }
/* Comment */ .chroma .c { color:#60a0b0;font-style:italic }
/* CommentHashbang */ .chroma .ch { color:#60a0b0;font-style:italic }
/* CommentMultiline */ .chroma .cm { color:#60a0b0;font-style:italic }
/* CommentSingle */ .chroma .c1 { color:#60a0b0;font-style:italic }
/* CommentSpecial */ .chroma .cs { color:#60a0b0;background-color:#fff0f0 }
/* CommentPreproc */ .chroma .cp { color:#007020 }
/* CommentPreprocFile */ .chroma .cpf { color:#007020 }
/* GenericDeleted */ .chroma .gd { color:#a00000 }
/* GenericEmph */ .chroma .ge { font-style:italic }
/* GenericError */ .chroma .gr { color:#f00 }
/* GenericHeading */ .chroma .gh { color:#000080;font-weight:bold }
/* GenericInserted */ .chroma .gi { color:#00a000 }
/* GenericOutput */ .chroma .go { color:#888 }
/* GenericPrompt */ .chroma .gp { color:#c65d09;font-weight:bold }
/* GenericStrong */ .chroma .gs { font-weight:bold }
/* GenericSubheading */ .chroma .gu { color:#800080;font-weight:bold }
/* GenericTraceback */ .chroma .gt { color:#04d }
/* GenericUnderline */ .chroma .gl { text-decoration:underline }
/* TextWhitespace */ .chroma .w { color:#bbb }