/* CSS Variables */
:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #111111;
  --color-bg-card: #1a1a1a;
  --color-bg-card-hover: #222222;
  --color-text: #ffffff;
  --color-text-secondary: #a1a1a1;
  --color-text-muted: #8a8a8a; /* Lightened for WCAG AA contrast on dark backgrounds */
  --color-primary: #a855f7;
  --color-primary-hover: #9333ea;
  --color-border: #2a2a2a;
  --color-border-light: #333333;
  --font-family: 'Geist Mono', 'SF Mono', 'Monaco', 'Inconsolata', monospace;
  --font-headline: 'Mozilla Headline', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Announcement Banner */
.announcement-banner {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: 0;
  text-align: center;
}

.announcement-banner .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.announcement-banner p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 600px;
}

.banner-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.banner-btn {
  font-size: 0.8125rem;
  font-family: 'Geist Mono', monospace;
  font-weight: 400;
  color: var(--color-text);
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.banner-btn:hover {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  margin-top: 0;
  background-color: transparent;
  transition: background-color 0.2s ease;
}

.header.is-stuck {
  background-color: var(--color-bg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
}

.nav-start {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  display: flex;
  align-items: center;
  color: var(--color-text);
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.8;
}

.header .logo img {
  width: auto;
  height: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-right: auto;
  margin-left: var(--spacing-lg);
}

.nav-links a,
.nav-dropdown-toggle {
  font-family: 'Geist', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-dropdown-toggle:hover {
  color: var(--color-text);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.dropdown-arrow {
  transition: transform 0.2s;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s;
  z-index: 200;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-family: 'Geist', sans-serif;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}

.nav-dropdown-menu a:hover {
  color: var(--color-text);
  background-color: var(--color-bg-card-hover);
}

/* External link icon (opens in new tab) */
a[target="_blank"]::after {
  content: '';
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-left: 0.2em;
  vertical-align: -0.15em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 17L17 7M17 7H9M17 7v8'/%3E%3C/svg%3E") no-repeat center;
  background-size: contain;
}

.nav-link-external {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

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

.nav-link-secondary {
  font-family: 'Geist', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background-color: #ffffff;
  color: #000000;
  font-family: 'Geist', sans-serif;
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.4), 0 0 40px rgba(168, 85, 247, 0.2);
}

.btn-primary:hover {
  background-color: #f5f5f5;
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.5), 0 0 50px rgba(168, 85, 247, 0.3);
}

.btn-nav {
  background-color: var(--color-primary);
  color: var(--color-text);
  font-family: 'Geist', sans-serif;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-text-secondary);
  font-family: 'Geist', sans-serif;
  border: 1px solid var(--color-border-light);
  transition: all 0.2s;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  font-family: 'Geist', sans-serif;
  border: 1px solid var(--color-border-light);
}

.btn-secondary:hover {
  background-color: var(--color-bg-card);
  border-color: var(--color-text-secondary);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* Hero Section: align with header section (margin uses --header-height set by JS) */
.hero {
  position: relative;
  overflow: hidden;
  margin-top: calc(-1 * var(--header-height, 59px));
  min-height: 85vh;
  padding: 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-canvas {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title {
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* Product Cards Section */
.product-cards-section {
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-3xl);
  background-color: var(--color-bg);
}

.product-cards-section .section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 969px) {
  #get-involved .section-subtitle {
    white-space: nowrap;
  }
}

.product-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(260px, 1fr));
  gap: var(--spacing-lg);
}

.product-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all 0.2s;
}

.product-card:hover {
  border-color: var(--color-border-light);
  background-color: var(--color-bg-card-hover);
}

.product-card .btn-outline {
  margin-top: auto;
}

.product-card-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: auto;
}

.product-card-buttons .btn-outline {
  margin-top: 0;
  text-align: center;
  font-size: 0.8125rem;
}

.product-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background-color: rgba(168, 85, 247, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.product-card-title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.product-card-description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.product-card-list {
  list-style: none;
  flex-grow: 1;
  margin-bottom: var(--spacing-md);
}

.product-card-list li {
  position: relative;
  padding-left: var(--spacing-md);
  margin-bottom: 0.375rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.product-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.product-card-footnote {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: auto;
  margin-bottom: var(--spacing-sm);
  font-style: italic;
}

/* Sections */
.section {
  padding: var(--spacing-2xl) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-cta {
  position: relative;
  text-align: center;
  background-color: var(--color-bg);
  padding: var(--spacing-3xl) 0;
  overflow: hidden; /* clip gradient on small screens, no inner scroll */
}

.section-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1300px;
  height: 500px;
  background: url("cta-gradient.png") center center no-repeat;
  background-size: contain;
  pointer-events: none;
  z-index: 0;
}

.section-cta .container {
  position: relative;
  z-index: 1;
}

.section-cta .section-title {
  margin-bottom: var(--spacing-md);
}

.section-cta .section-subtitle {
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 969px) {
  .section-cta .section-subtitle {
    white-space: nowrap;
  }
  .hero-description {
    white-space: nowrap;
    max-width: none;
    width: 100%;
  }
}

.section-title {
  font-family: var(--font-headline);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  display: block;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-top: var(--spacing-2xl);
}

.about-text {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.about-image {
  display: flex;
  justify-content: center;
}

/* Placeholder Images */
.placeholder-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-border) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-border-light);
}

.placeholder-image span {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Local Development Section */
.local-dev-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
  margin-top: var(--spacing-2xl);
}

.local-dev-steps-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
}

.step-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
}

.step-item:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  min-width: 1.75rem;
  background-color: rgba(168, 85, 247, 0.2);
  color: var(--color-primary);
  border-radius: 50%;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: 'Geist', sans-serif;
}

.step-content {
  flex: 1;
}

.step-title {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.step-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.step-description a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: color 0.2s;
  white-space: nowrap; /* keep link text + arrow together on wrap */
}

.step-description a:hover {
  color: var(--color-primary);
}

.local-dev-steps-card .btn-outline {
  width: 100%;
  margin-top: var(--spacing-md);
  text-align: center;
}

.code-block {
  display: block;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  font-family: 'Geist Mono', monospace;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  overflow-x: auto;
}

.local-dev-content {
  padding-top: var(--spacing-sm);
}

.local-dev-text {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.local-dev-text:first-child {
  font-size: 1.5rem;
  color: var(--color-text);
  font-weight: 500;
}

.local-dev-text a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: color 0.2s;
  white-space: nowrap; /* keep "migration guide" + arrow together on wrap */
}

.local-dev-text a:hover {
  color: var(--color-primary);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all 0.2s;
}

.feature-card:hover {
  border-color: var(--color-border-light);
  background-color: var(--color-bg-card-hover);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background-color: rgba(168, 85, 247, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.feature-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.feature-description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-top: var(--spacing-2xl);
}

.two-column-reverse {
  direction: rtl;
}

.two-column-reverse > * {
  direction: ltr;
}

.column-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.column-text {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.feature-list li {
  position: relative;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

/* Get Involved Section */
.involve-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.involve-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all 0.2s;
}

.involve-card:hover {
  border-color: var(--color-border-light);
  background-color: var(--color-bg-card-hover);
}

.involve-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background-color: rgba(168, 85, 247, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.involve-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.involve-description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.involve-list {
  list-style: none;
}

.involve-list li {
  margin-bottom: 0.375rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.involve-list li a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s;
}

.involve-list li a:hover {
  color: var(--color-primary);
}

/* FAQ Section */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  margin-top: var(--spacing-xl);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-md) 0;
  font-family: 'Geist', sans-serif;
  font-size: 1.0625rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-answer {
  padding-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.faq-answer a {
  color: var(--color-text);
  text-decoration: underline;
  transition: color 0.2s;
}

.faq-answer a:hover {
  color: var(--color-primary);
}

/* CTA Section */
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  background-color: var(--color-bg);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-brand .logo {
  display: inline-flex;
  width: fit-content;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-tagline {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-top: var(--spacing-sm);
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-heading {
  font-family: var(--font-headline);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.footer-column a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.footer-column a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.copyright {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Downloads Page: compact hero so buttons are visible without scrolling */
.downloads-hero {
  margin-top: 0;
  min-height: 0;
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.downloads-hero + .section {
  padding-top: var(--spacing-lg);
}

.downloads-hero .hero-title {
  font-size: clamp(2rem, 6vw, 3.5rem);
}

.download-category {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
}

.download-category-header {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.download-category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  min-width: 3.5rem;
  background-color: rgba(168, 85, 247, 0.15);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
}

.download-category-info {
  flex: 1;
}

.download-category-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.download-category-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-xs);
}

.download-category-version {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 500;
}

.download-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.download-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.download-column-title {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--spacing-xs) 0;
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.download-column-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.download-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.download-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.2s;
}

.download-option:hover {
  border-color: var(--color-primary);
  background-color: rgba(168, 85, 247, 0.05);
}

.download-option-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  min-width: 2.5rem;
  color: var(--color-text-secondary);
}

.download-option:hover .download-option-icon {
  color: var(--color-primary);
}

.download-option-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.download-option-title {
  font-family: 'Geist', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.download-option-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.download-arrow {
  color: var(--color-text-muted);
  transition: color 0.2s;
}

/* Don't show external-link icon on download buttons; we use the download icon instead */
.download-option[target="_blank"]::after {
  display: none;
}

.download-option:hover .download-arrow {
  color: var(--color-primary);
}

.download-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: var(--spacing-md);
}

.all-releases {
  text-align: center;
}

.all-releases .section-title {
  margin-bottom: var(--spacing-sm);
}

.all-releases .section-subtitle {
  margin-bottom: var(--spacing-lg);
}

/* Mobile nav: hamburger + drawer */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: min(320px, 85vw);
  height: 100%;
  background: var(--color-bg-card);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 7rem;
  padding-right: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
}

.nav-drawer a {
  display: block;
  padding: var(--spacing-md) 0;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

.nav-drawer a:last-child {
  border-bottom: none;
}

.nav-drawer a:hover {
  color: var(--color-primary);
}

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

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

/* Responsive */
@media (max-width: 968px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: 80vh;
    padding: 0;
  }

  .downloads-hero {
    margin-top: 0;
    min-height: 0;
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
  }

  .hero-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .hero-description {
    font-size: 1.125rem;
  }

  .about-grid,
  .two-column {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .two-column-reverse {
    direction: ltr;
  }

  .features-grid,
  .involve-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-cards-grid {
    grid-template-columns: repeat(2, minmax(260px, 1fr));
  }

  .local-dev-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .section-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
  }
}

@media (max-width: 640px) {
  .section-title {
    font-size: clamp(2rem, 6vw, 2.5rem);
  }

  .hero-title {
    font-size: clamp(2.75rem, 10vw, 4rem);
  }

  .downloads-hero {
    padding: var(--spacing-2xl) 0 var(--spacing-2xl);
  }

  .features-grid,
  .product-cards-grid,
  .involve-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-lg {
    width: 100%;
    max-width: 300px;
  }

  .banner-buttons {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

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

  .download-options {
    grid-template-columns: 1fr;
  }

  .download-category-header {
    flex-direction: column;
    text-align: center;
  }

  .download-category-icon {
    margin: 0 auto;
  }
}