/* Crayfish Landing Page Styles */
/* Clean, accessible design with warm orange accents */

:root {
  --bg-dark: #0c1222;
  --bg-darker: #070d18;
  --bg-card: rgba(30, 41, 59, 0.8);
  --bg-card-solid: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #f97316;
  --accent-light: #fb923c;
  --accent-glow: rgba(249, 115, 22, 0.4);
  --success: #6ee7b7;
  --negative: #f87171;
  --border: rgba(71, 85, 105, 0.5);
  --border-accent: rgba(249, 115, 22, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 18, 34, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.nav-logo-img {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

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

.btn-nav {
  background: var(--accent);
  color: var(--bg-dark) !important;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 600;
}

.btn-nav:hover {
  background: var(--accent-light);
}

/* Hero */
.hero {
  padding: 9rem 0 5rem;
  text-align: center;
}

.hero-logo {
  margin-bottom: 2rem;
}

.hero-logo-img {
  width: 120px;
  height: 120px;
  filter: drop-shadow(0 0 40px var(--accent-glow));
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(110, 231, 183, 0.1);
  border: 1px solid rgba(110, 231, 183, 0.3);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--success);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 50%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--bg-dark);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

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

.btn-secondary:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-dark {
  background: var(--bg-darker);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

.section-intro {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-intro em {
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
}

/* Difference Grid */
.difference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.difference-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}

.difference-card.highlight {
  border-color: var(--border-accent);
  background: rgba(249, 115, 22, 0.05);
}

.difference-header {
  margin-bottom: 1.5rem;
}

.difference-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
}

.difference-label.typical {
  background: rgba(100, 116, 139, 0.2);
  color: var(--text-muted);
}

.difference-label.crayfish {
  background: rgba(249, 115, 22, 0.2);
  color: var(--accent);
}

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

.difference-list li {
  padding: 0.625rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.difference-list li::before {
  position: absolute;
  left: 0;
  font-weight: bold;
}

.difference-list li.negative::before {
  content: "×";
  color: var(--text-muted);
}

.difference-list li.positive::before {
  content: "✓";
  color: var(--success);
}

/* Capabilities Grid */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.capability-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.2s;
}

.capability-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.capability-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.capability-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.capability-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-bottom: 0.25rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.step {
  text-align: center;
  padding: 2rem;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--bg-dark);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

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

.code-block {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
  overflow-x: auto;
}

.code-block code {
  font-family: "SF Mono", Monaco, "Cascadia Code", monospace;
  font-size: 0.8125rem;
  color: var(--accent);
}

/* Personas */
.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.persona-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.2s;
}

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

.persona-card h4 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.persona-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Manifesto */
.manifesto {
  max-width: 700px;
  margin: 3rem auto 0;
  text-align: center;
  padding: 2rem;
  background: rgba(249, 115, 22, 0.06);
  border: 1px solid var(--border-accent);
  border-radius: 16px;
}

.manifesto p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.manifesto strong {
  color: var(--accent);
}

/* Platform Grid */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: all 0.2s;
}

.platform-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.platform-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.1) 0%, rgba(251, 146, 60, 0.05) 100%);
  border: 1px solid var(--border-accent);
}

.platform-icon.raspberry {
  background: linear-gradient(135deg, #c51a4a 0%, #9d1a3e 100%);
  border-color: transparent;
}

.platform-icon.laptop {
  background: linear-gradient(135deg, #475569 0%, #334155 100%);
  border-color: transparent;
}

.platform-icon.desktop {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  border-color: transparent;
}

.platform-icon.cloud {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  border-color: transparent;
}

.platform-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.platform-price {
  display: inline-block;
  color: var(--success);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.platform-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* Privacy Note */
.privacy-note {
  max-width: 700px;
  margin: 3rem auto 0;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(110, 231, 183, 0.06);
  border: 1px solid rgba(110, 231, 183, 0.2);
  border-radius: 12px;
}

.privacy-note-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(110, 231, 183, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success);
}

.privacy-note p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.9375rem;
}

.privacy-note strong {
  color: var(--success);
}

/* Trust Grid */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.trust-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: all 0.2s;
}

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

.trust-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.trust-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.trust-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Hardware Section */
.section-hardware {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.06) 0%, rgba(251, 146, 60, 0.03) 100%);
  border-top: 1px solid var(--border-accent);
  border-bottom: 1px solid var(--border-accent);
}

.hardware-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--bg-dark);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
}

.section-hardware .container {
  text-align: center;
}

.hardware-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin: 3rem auto;
  max-width: 800px;
  text-align: left;
}

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

.hardware-placeholder {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.hardware-logo {
  width: 80px;
  height: 80px;
}

.hardware-placeholder p {
  color: var(--text-muted);
  font-weight: 600;
}

.hardware-details h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.hardware-tagline {
  color: var(--accent);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

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

.hardware-features li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
}

.hardware-features li::before {
  content: "✓";
  color: var(--success);
  font-weight: bold;
}

.hardware-note {
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-style: italic;
}

/* Waitlist Form */
.waitlist-form {
  max-width: 480px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.waitlist-form h4 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  text-align: center;
}

.form-row {
  display: flex;
  gap: 0.75rem;
}

.form-row input {
  flex: 1;
  padding: 0.875rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.8);
  color: var(--text-primary);
  font-size: 1rem;
}

.form-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row input::placeholder {
  color: var(--text-muted);
}

.form-row .btn {
  flex-shrink: 0;
  padding: 0.875rem 1.5rem;
}

.form-note {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* CTA Section */
.section-cta {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.08) 0%, rgba(251, 146, 60, 0.04) 100%);
  border-top: 1px solid var(--border-accent);
  border-bottom: 1px solid var(--border-accent);
  text-align: center;
  padding: 5rem 0;
}

.section-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.section-cta p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.cta-note {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 250px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.footer-logo-img {
  width: 28px;
  height: 28px;
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-column a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  padding: 0.375rem 0;
  transition: color 0.2s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-bottom a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
  }

  .nav-links a:not(.btn-nav) {
    display: none;
  }

  .hero {
    padding: 8rem 0 4rem;
  }

  .hero-logo-img {
    width: 100px;
    height: 100px;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-brand {
    text-align: center;
    max-width: none;
  }

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

  .hardware-preview {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hardware-features li {
    justify-content: center;
  }

  .privacy-note {
    flex-direction: column;
    text-align: center;
  }

  .privacy-note-icon {
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

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

  .form-row {
    flex-direction: column;
  }

  .form-row .btn {
    width: 100%;
  }

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