/* Ōshio Design System — Tide Website Styles */

/* ========================================
   FONTS
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Libre+Caslon+Text:wght@400;700&family=Hanken+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ========================================
   CSS VARIABLES (Design Tokens)
   ======================================== */
:root {
  /* Colors — Ōshio Palette */
  --color-abyssal-indigo: #0F172A;
  --color-lunar-silver: #E2E8F0;
  --color-tidal-flare: #38BDF8;
  --color-slate-depth: #1E293B;
  --color-surface-bright: #2f3a4c;
  --color-outline: #909097;
  --color-outline-variant: #45464d;
  
  /* Semantic Colors */
  --color-background: var(--color-abyssal-indigo);
  --color-surface: var(--color-slate-depth);
  --color-text-primary: var(--color-lunar-silver);
  --color-text-secondary: #c6c6cd;
  --color-accent: var(--color-tidal-flare);
  --color-border: rgba(226, 232, 240, 0.1);
  --color-border-hover: rgba(226, 232, 240, 0.3);
  
  /* Typography */
  --font-display: 'Libre Caslon Text', serif;
  --font-body: 'Hanken Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing (8px base unit) */
  --space-unit: 8px;
  --space-xs: calc(var(--space-unit) * 1); /* 8px */
  --space-sm: calc(var(--space-unit) * 2); /* 16px */
  --space-md: calc(var(--space-unit) * 3); /* 24px */
  --space-lg: calc(var(--space-unit) * 4); /* 32px */
  --space-xl: calc(var(--space-unit) * 6); /* 48px */
  --space-2xl: calc(var(--space-unit) * 8); /* 64px */
  --space-3xl: calc(var(--space-unit) * 12); /* 96px */
  
  /* Layout */
  --gutter: 24px;
  --margin-mobile: 20px;
  --margin-desktop: 64px;
  --container-max: 1440px;
  
  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  
  /* Elevation (Glow Effect) */
  --glow-accent: 0 0 12px rgba(56, 189, 248, 0.08);
}

/* ========================================
   RESET & BASE
   ======================================== */

/* Utility Classes */
.text-center { text-align: center; }
.mt-xl { margin-top: var(--space-xl); }
.bg-dark { background: var(--color-slate-depth); }
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-background);
  overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-lunar-silver);
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
}

p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.text-accent {
  color: var(--color-accent);
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.label-caps {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--margin-mobile);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--gutter);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--margin-desktop);
  }
}

section {
  padding: var(--space-3xl) 0;
}

@media (max-width: 767px) {
  section {
    padding: var(--space-2xl) 0;
  }
}

/* ========================================
   HEADER / NAV
   ======================================== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-lunar-silver);
  text-decoration: none;
}

.logo img {
  height: 48px;
  width: 48px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 12px rgba(0, 180, 216, 0.25);
  transition: box-shadow 0.3s ease;
}

.logo:hover img {
  box-shadow: 0 0 20px rgba(0, 180, 216, 0.45);
}

/* Hamburger menu — mobile only */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-lunar-silver);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

@media (max-width: 767px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
    gap: var(--space-xs);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 0.9375rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    display: block;
  }

  .nav-links a:hover {
    background: rgba(255, 255, 255, 0.05);
  }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-base);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-slate-depth);
  color: var(--color-lunar-silver);
  border-color: var(--color-border-hover);
}

.btn-primary:hover {
  border-color: var(--color-lunar-silver);
  box-shadow: var(--glow-accent);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-abyssal-indigo);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: #5ec4f8;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
}

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

.btn-ghost:hover {
  border-color: var(--color-accent);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  padding: var(--space-3xl) 0;
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero .tagline {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  text-align: left;
}

.hero-text h1 {
  margin-bottom: var(--space-md);
}

.hero-text .tagline {
  margin-left: 0;
  margin-right: 0;
  max-width: 100%;
}

.hero-text .hero-cta {
  justify-content: flex-start;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

@media (max-width: 767px) {
  .hero {
    padding: var(--space-2xl) 0;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text .hero-cta {
    justify-content: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    max-width: 320px;
    margin: 0 auto;
  }
}

/* ========================================
   FEATURES GRID
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color 0.2s ease;
}

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

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  display: block;
}

.feature-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-base);
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ========================================
   PRICING CARDS
   ======================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--glow-accent);
}

.pricing-card.featured::before {
  content: "MOST POPULAR";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-abyssal-indigo);
  padding: 4px 16px;
  border-radius: var(--radius-base);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

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

.tier-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.tier-name-ja {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: var(--space-xs);
}

.tier-meaning {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-style: italic;
  margin-bottom: var(--space-sm);
}

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

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: var(--space-lg);
}

.price {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-lunar-silver);
}

.period {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* Dual pricing display */
.pricing-amount-dual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.pricing-amount-dual .price-row {
  text-align: center;
  padding: var(--space-xs) 0;
}

.pricing-amount-dual .price-row .price {
  font-size: 2.5rem;
}

.pricing-amount-dual .price-divider {
  width: 80%;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xs) 0;
}

.pricing-amount-dual .yearly-price .price {
  color: var(--color-accent);
}

.save-badge {
  display: inline-block;
  margin-left: var(--space-xs);
  padding: 2px 8px;
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.features-list {
  list-style: none;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.features-list li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.features-list li.disabled {
  opacity: 0.4;
}

.features-list li.disabled::before {
  content: "—";
  color: var(--color-text-secondary);
}

.pricing-card .btn {
  width: 100%;
}

/* ========================================
   FOOTER
   ======================================== */
footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
}

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

.footer-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

@media (max-width: 767px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ========================================
   LEGAL PAGES (Terms, Privacy)
   ======================================== */
.legal-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--margin-mobile);
}

.legal-page h1 {
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.legal-page h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}

.legal-page h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  font-size: 1.125rem;
}

.legal-page p,
.legal-page ul,
.legal-page ol {
  margin-bottom: var(--space-md);
}

.legal-page ul,
.legal-page ol {
  padding-left: var(--space-lg);
}

.legal-page li {
  margin-bottom: var(--space-xs);
}

.legal-page table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  background: var(--color-surface);
  border-radius: var(--radius-base);
  overflow: hidden;
}

.legal-page th,
.legal-page td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border: 1px solid var(--color-border);
}

.legal-page th {
  background: var(--color-slate-depth);
  font-weight: 600;
  color: var(--color-lunar-silver);
}

.legal-page code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--color-surface);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.legal-page a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.legal-page a:hover {
  border-bottom-color: var(--color-accent);
}

.legal-page strong {
  color: var(--color-lunar-silver);
  font-weight: 600;
}

/* ========================================
   404 PAGE
   ======================================== */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl) var(--margin-mobile);
}

.error-code {
  font-family: var(--font-mono);
  font-size: 6rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-page h1 {
  margin-bottom: var(--space-md);
}

.error-page p {
  margin-bottom: var(--space-xl);
  max-width: 500px;
}

/* ========================================
   INTERACTIVE DEMO
   ======================================== */
.demo-section {
  padding: var(--space-3xl) 0;
}

.demo-terminal {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-slate-depth);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  overflow: hidden;
}

.demo-command-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.6);
  border-bottom: 1px solid var(--color-border);
}

.demo-prompt {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-tidal-flare);
  flex-shrink: 0;
}

.demo-input {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  padding: 0.25rem 0.5rem;
  outline: none;
  transition: border-color 0.2s;
}

.demo-input:focus {
  border-bottom-color: var(--color-tidal-flare);
}

.demo-input::placeholder {
  color: var(--color-outline);
}

.demo-btn {
  flex-shrink: 0;
  padding: 0.375rem 1rem;
  font-size: 0.8125rem;
}

.demo-results {
  padding: 1rem;
  min-height: 120px;
}

.demo-placeholder {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--color-text-secondary);
}

.demo-hint {
  font-size: 0.875rem;
}

.demo-hint kbd {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--color-tidal-flare);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 0.25rem;
  margin: 0 0.125rem;
  cursor: pointer;
  transition: all 0.2s;
}

.demo-hint kbd:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--color-tidal-flare);
}

.demo-result-card {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.demo-result-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.75rem;
}

.demo-ticker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.demo-company {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.demo-price {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
  margin-left: auto;
}

.demo-change {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  font-weight: 500;
}

.demo-change.positive { color: #4ade80; }
.demo-change.negative { color: #f87171; }

.demo-sentiment {
  font-size: 0.8125rem;
  padding: 0.125rem 0.5rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 0.25rem;
}

.demo-result-body p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.demo-result-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-outline);
}

.demo-confidence {
  font-family: 'JetBrains Mono', monospace;
  color: var(--color-tidal-flare);
}

.demo-disclaimer {
  font-style: italic;
}

.demo-error {
  color: #f87171;
  font-size: 0.875rem;
}

/* ========================================
   UTILITIES
   ======================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto;
}

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

.mt-xl {
  margin-top: var(--space-xl);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

/* ========================================
   FEATURES PAGE - COMMAND CARDS
   ======================================== */
.command-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.command-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--glow-accent);
}

.command-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.command-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.command-title-group {
  flex: 1;
}

.command-name {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-tidal-flare);
  margin-bottom: 0.25rem;
}

.command-tagline {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.command-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-base);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-flagship {
  background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
  color: white;
}

.badge-pro {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  color: #0F172A;
}

.badge-free {
  background: rgba(56, 189, 248, 0.15);
  color: var(--color-tidal-flare);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.command-body {
  color: var(--color-text-primary);
}

.command-description {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  color: var(--color-text-secondary);
}

.command-section {
  margin-bottom: var(--space-lg);
}

.command-section:last-child {
  margin-bottom: 0;
}

.command-section h4 {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-tidal-flare);
  margin-bottom: var(--space-sm);
}

.command-usage {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  background: var(--color-abyssal-indigo);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-sm);
  color: var(--color-lunar-silver);
  overflow-x: auto;
}

.command-examples {
  list-style: none;
  padding: 0;
}

.command-examples li {
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
  position: relative;
}

.command-examples li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-tidal-flare);
}

.command-examples code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--color-abyssal-indigo);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: 0.25rem 0.5rem;
  color: var(--color-lunar-silver);
  display: inline-block;
  margin-right: var(--space-xs);
}

.command-features,
.command-limits {
  list-style: none;
  padding: 0;
}

.command-features li,
.command-limits li {
  margin-bottom: var(--space-sm);
  padding-left: var(--space-lg);
  position: relative;
  line-height: 1.6;
}

.command-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: bold;
}

.command-limits li {
  font-size: 0.9375rem;
}

.subcommand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.subcommand {
  background: var(--color-abyssal-indigo);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-md);
  transition: border-color 0.2s ease;
}

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

.subcommand code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-tidal-flare);
  display: block;
  margin-bottom: var(--space-xs);
}

.subcommand p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Hero Compact Variant */
.hero-compact {
  padding: var(--space-2xl) 0;
}

.hero-compact h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

/* Active Nav Link */
.nav-links a.active {
  color: var(--color-tidal-flare);
}

/* ========================================
   INSTALLATION PAGE
   ======================================== */
.installation-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .installation-content {
    grid-template-columns: 1.5fr 1fr;
  }
}

.installation-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
}

.installation-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
}

.installation-card h2 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.installation-card > p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.installation-cta {
  margin: var(--space-xl) 0;
}

.btn-large {
  font-size: 1.25rem;
  padding: 1rem 2.5rem;
}

.installation-steps {
  text-align: left;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.installation-steps h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
}

.installation-steps ol {
  list-style: decimal;
  padding-left: var(--space-lg);
  color: var(--color-text-secondary);
}

.installation-steps li {
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.installation-help {
  text-align: left;
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.installation-help h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.installation-help p {
  color: var(--color-text-secondary);
}

.installation-help a {
  color: var(--color-tidal-flare);
  text-decoration: none;
}

.installation-help a:hover {
  text-decoration: underline;
}

.installation-info h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.permissions-list {
  list-style: none;
  padding: 0;
}

.permissions-list li {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
}

.permission-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.permissions-list strong {
  display: block;
  color: var(--color-lunar-silver);
  margin-bottom: 0.25rem;
}

.permissions-list p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.security-note {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
}

.security-note h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.security-note p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

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

.security-note a {
  color: var(--color-tidal-flare);
  text-decoration: none;
}

.security-note a:hover {
  text-decoration: underline;
}

.quickstart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.quickstart-step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--color-tidal-flare);
  color: var(--color-abyssal-indigo);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.quickstart-step h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.quickstart-step p {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.quickstart-step code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--color-abyssal-indigo);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: 0.25rem 0.5rem;
  color: var(--color-lunar-silver);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .command-header {
    flex-wrap: wrap;
  }
  
  .command-icon {
    font-size: 2rem;
  }
  
  .command-name {
    font-size: 1.25rem;
  }
  
  .command-badge {
    width: 100%;
    text-align: center;
    margin-top: var(--space-sm);
  }
  
  .subcommand-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════
   SANDBOX WATERMARK — DEV SITE ONLY
   ═══════════════════════════════════════════ */
body::before {
  content: "SANDBOX";
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-30deg);
  font-size: 12vw;
  font-weight: 900;
  color: rgba(255, 0, 0, 0.06);
  pointer-events: none;
  z-index: 9999;
  white-space: nowrap;
  letter-spacing: 0.3em;
}