/* Developer-Focused Theme for echoValue */
/* Fonts (Inter + JetBrains Mono) are loaded via <link> in each page <head> for earlier discovery. */

:root {
  /* echoValue design-system tokens */
  --ev-color-bg: #0a0a0a;
  --ev-color-bg-subtle: #101012;
  --ev-color-surface: #141414;
  --ev-color-surface-raised: #1c1c1e;
  --ev-color-border: #262626;
  --ev-color-border-hover: #3a3a3c;
  --ev-color-text: #f5f5f7;
  --ev-color-text-muted: #a1a1a6;
  --ev-color-text-subtle: #b0b0b8;
  --ev-color-accent: #0a84ff;
  --ev-color-accent-hover: #64d2ff;
  --ev-color-accent-soft: rgba(10, 132, 255, 0.14);
  --ev-color-success: #30d158;
  --ev-color-warning: #ff9f0a;
  --ev-color-error: #ff453a;
  --ev-container-page: 1120px;
  --ev-container-copy: 760px;
  --ev-radius-sm: 8px;
  --ev-radius-md: 12px;
  --ev-radius-lg: 16px;
  --ev-transition: 0.18s ease;

  /* Existing aliases used by the static pages */
  --color-bg-primary: var(--ev-color-bg);
  --color-bg-secondary: var(--ev-color-surface);
  --color-bg-tertiary: var(--ev-color-surface-raised);
  --color-border: var(--ev-color-border);
  --color-border-hover: var(--ev-color-border-hover);
  --color-border-subtle: #1e1e1e;

  /* Text */
  --color-text-primary: var(--ev-color-text);
  --color-text-secondary: var(--ev-color-text-muted);
  --color-text-muted: var(--ev-color-text-subtle);

  /* Accents */
  --color-accent-blue: #0066cc;
  --color-accent-green: var(--ev-color-success);
  --color-accent-orange: var(--ev-color-warning);
  --color-accent-purple: #bf5af2;
  --color-accent-cyan: #006d8f;

  /* Status */
  --color-success: var(--ev-color-success);
  --color-warning: var(--ev-color-warning);
  --color-error: var(--ev-color-error);

  /* Spacing - more generous */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Monaco', monospace;

  /* Borders */
  --radius-sm: var(--ev-radius-sm);
  --radius-md: var(--ev-radius-md);
  --radius-lg: var(--ev-radius-lg);
  --radius-xl: var(--ev-radius-lg);

  /* Transitions */
  --transition-fast: var(--ev-transition);
  --transition-base: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Copy-to-clipboard button (used inside .code-block) */
.code-block { position: relative; }
.copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.copy-btn:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}
.copy-btn.is-copied {
  color: var(--color-accent-green);
  border-color: var(--color-accent-green);
}

/* Code tabs (used in agent-state page) */
.code-tabs-header {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  background: var(--color-bg-secondary);
}
.code-tab {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.625rem 1.25rem;
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  border-right: 1px solid var(--color-border);
}
.code-tab:last-child { border-right: none; }
.code-tab:hover { color: var(--color-text-primary); }
.code-tab.active {
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border-bottom: 2px solid var(--color-accent-blue);
}
.code-tab-content { display: none; }
.code-tab-content.active { display: block; }
.code-block--tabbed {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}
.code-block pre { margin: 0; white-space: pre; overflow-x: auto; }
.code-block pre code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* Skip to content link (a11y) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent-blue);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.skip-link:focus {
  top: 0;
  outline: 2px solid var(--color-text-primary);
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0;
}

/* Selection */
::selection {
  background-color: rgba(10, 132, 255, 0.25);
  color: var(--color-text-primary);
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: 1000;
  padding: 0;
  height: 64px;
  display: flex;
  align-items: center;
}

.navbar .container {
  max-width: var(--ev-container-page);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 1.0625rem;
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.navbar-brand .brand-product {
  color: var(--color-accent-green);
  font-weight: 500;
}

.navbar-brand img {
  height: 26px;
  width: auto;
}

.navbar-nav {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  align-items: center;
}

.navbar-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  letter-spacing: 0;
}

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

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: -22px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-text-primary);
  transition: width var(--transition-base);
}

.navbar-nav a:hover::after {
  width: 100%;
}

.navbar-nav .navbar-cta {
  color: #fff;
  background-color: var(--color-accent-blue);
  border: 1px solid var(--color-accent-blue);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.8rem;
}

.navbar-nav .navbar-cta:hover {
  color: #fff;
  background-color: var(--color-accent-cyan);
  border-color: var(--color-accent-cyan);
  box-shadow: none;
}

.navbar-nav .navbar-cta::after {
  display: none;
}

/* Mobile Toggle */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.navbar-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text-secondary);
  margin: 5px 0;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ===== HERO SECTION ===== */
.hero {
  padding-top: 8.5rem;
  padding-bottom: var(--spacing-lg);
  background-color: var(--color-bg-primary);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border-subtle);
}

.hero::after {
  display: none;
}

.hero .container {
  max-width: var(--ev-container-copy);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2.75rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: 0;
  color: var(--color-text-primary);
}

.hero h1 .mono {
  font-family: var(--font-mono);
  color: var(--color-accent-green);
}

.hero p {
  font-size: 1.125rem;
  max-width: 580px;
  margin: 0 auto 1.25rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.hero .text-muted {
  font-size: 0.9375rem;
  color: var(--color-text-muted) !important;
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.hero.compact {
  padding-top: 4.75rem;
  padding-bottom: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero.compact::before {
  display: none;
}

.hero.compact .container {
  max-width: var(--ev-container-page);
  display: flex;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  flex-wrap: wrap;
}

.hero.compact h1 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
}

.hero.compact p {
  max-width: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border-subtle);
}

.section.no-border {
  border-top: none;
}

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

.container {
  max-width: var(--ev-container-page);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-header {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.section-header h2::before {
  content: '// ';
  color: var(--color-accent-blue);
  font-weight: 400;
  opacity: 0.6;
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  letter-spacing: 0;
  line-height: 1.4;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-accent-blue);
  color: #fff;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 0 rgba(10, 132, 255, 0);
}

.btn-primary:visited {
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--color-accent-cyan);
  border-color: var(--color-accent-cyan);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: none;
}

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

.btn-secondary:hover {
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent-blue);
  border-color: var(--color-accent-blue);
}

.btn-outline:hover {
  background-color: var(--color-accent-blue);
  color: #fff;
  transform: translateY(-1px);
}

/* ===== DASHBOARD PANEL ===== */
.dashboard-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.dashboard-panel h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.dashboard-panel h2::before {
  content: '// ';
  color: var(--color-accent-blue);
  font-weight: 400;
  opacity: 0.6;
}

.dashboard-panel p {
  max-width: 620px;
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
}

.dashboard-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex-shrink: 0;
}

/* ===== PROJECT CARDS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.project-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.project-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
  box-shadow: none;
}

.project-card-header {
  padding: var(--spacing-md) var(--spacing-md) 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.project-card-icon {
  font-size: 1.125rem;
  line-height: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  opacity: 0.8;
}

.project-card-content {
  padding: var(--spacing-md);
}

.project-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.project-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.project-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.project-features li {
  padding: 0.4rem 0;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.project-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent-green);
  flex-shrink: 0;
  opacity: 0.8;
}

.project-card-content a {
  color: var(--color-accent-cyan);
  text-decoration: none;
}

.project-card-content a:hover {
  text-decoration: underline;
}

[data-theme="light"] .project-card-content a {
  color: var(--color-accent-blue);
}

.project-card-actions {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
}

/* ===== BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  background-color: var(--color-accent-orange);
  color: #000;
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-family: var(--font-mono);
  vertical-align: middle;
}

/* ===== CODE BLOCK ===== */
.code-block {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
}

.code-block code {
  color: var(--color-text-secondary);
}

.code-comment {
  color: var(--color-text-muted);
}

.code-string {
  color: var(--color-accent-green);
}

.code-function {
  color: var(--color-accent-purple);
}

.code-output {
  color: var(--color-accent-cyan);
}

/* ===== PRICING CARDS ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.pricing-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pricing-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
  box-shadow: none;
}

.pricing-card.featured {
  border-color: var(--color-accent-blue);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-accent-blue);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pricing-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent-blue);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.pricing-card .price small {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.pricing-card ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.pricing-card li {
  padding: 0.5rem 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ===== CONTACT SECTION ===== */
.contact-info {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.contact-item {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  min-width: 280px;
  transition: border-color var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--color-border-hover);
}

.contact-item h3 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-item a {
  color: var(--color-accent-blue);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.contact-item a:hover {
  color: var(--color-text-primary);
}

.social-links {
  display: flex;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.social-links a {
  color: var(--color-text-muted);
  font-size: 1.25rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.social-links a:hover {
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-bg-primary);
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--spacing-md) 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 0.75rem 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color var(--transition-fast);
}

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

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

.footer a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ===== LEGAL CONTENT ===== */
.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: 0;
}

.legal-content .legal-date {
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  font-size: 0.875rem;
}

.legal-content .legal-body {
  line-height: 1.8;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: 0;
}

.legal-content ul {
  margin-left: 1.5rem;
  margin-top: 1rem;
}

.legal-content li {
  margin-bottom: 0.75rem;
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted) !important; }
.text-mono { font-family: var(--font-mono); }
.btn-block { display: block; width: 100%; text-align: center; }
.pt-nav { padding-top: 8rem; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f5f5f7;
  --color-bg-tertiary: #e8e8ed;
  --color-border: #d2d2d7;
  --color-border-hover: #b0b0b5;
  --color-border-subtle: #e8e8ed;

  --color-text-primary: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-text-muted: #5f6368;

  --color-accent-blue: #0066cc;
  --color-accent-green: #30d158;
  --color-accent-orange: #ff9f0a;
  --color-accent-purple: #bf5af2;
  --color-accent-cyan: #007a99;

  --color-success: #30d158;
  --color-warning: #ff9f0a;
  --color-error: #ff453a;
}

[data-theme="light"] .hero::after {
  display: none;
}

[data-theme="light"] .navbar {
  background-color: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .btn-primary {
  color: #fff !important;
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  margin-left: auto;
  margin-right: 0.75rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.375rem;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.theme-toggle:hover {
  color: var(--color-text-primary);
  transform: scale(1.1);
}

.theme-toggle .fa-moon,
[data-theme="light"] .theme-toggle .fa-sun {
  display: inline;
}

.theme-toggle .fa-sun,
[data-theme="light"] .theme-toggle .fa-moon {
  display: none;
}

/* Smooth theme transition */
body,
.navbar,
.project-card,
.pricing-card,
.contact-item,
.footer,
.code-block {
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar-toggle {
    display: block;
  }

  .navbar {
    height: 56px;
  }

  .navbar .container {
    padding: 0 var(--spacing-md);
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: 0;
    padding: 0.75rem 0;
  }

  .navbar-nav.active {
    display: flex;
  }

  .navbar-nav li {
    width: 100%;
  }

  .navbar-nav a {
    display: block;
    padding: 0.75rem var(--spacing-md);
    font-size: 0.9375rem;
  }

  .navbar-nav .navbar-cta {
    margin: 0.5rem var(--spacing-md) 0;
    text-align: center;
  }

  .navbar-nav a::after {
    display: none;
  }

  .hero {
    padding-top: 8rem;
    padding-bottom: var(--spacing-lg);
  }

  .hero.compact {
    padding-top: 4.25rem;
    padding-bottom: 0.65rem;
  }

  .hero.compact .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
  }

  .hero .container {
    padding: 0 var(--spacing-md);
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .dashboard-panel {
    flex-direction: column;
    align-items: stretch;
    padding: var(--spacing-md);
  }

  .dashboard-actions {
    flex-direction: column;
  }

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

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

  .contact-info {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-item {
    min-width: unset;
  }

  .footer-content {
    flex-direction: column;
    align-items: center;
  }

  .footer-links {
    justify-content: center;
  }

  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}