/* ===================================
   Design System & CSS Variables
   =================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Colors - Claude Code Dark Theme */
  --color-bg-primary: #0a0e14;
  --color-bg-secondary: #151922;
  --color-bg-tertiary: #0f1419;
  --color-bg-terminal: #1a1f2e;
  --color-text-primary: #faf9f5;
  --color-text-secondary: #a0a8b7;
  --color-text-muted: #6b7280;
  --color-white: #ffffff;
  --color-accent-coral: #D97757;
  --color-accent-purple: #7a64ff;
  --color-accent-emerald: #34d399;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-shadow: rgba(0, 0, 0, 0.2);

  /* Spacing - Tighter Claude Code Style */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 1.5rem;
  --space-3xl: 1rem;

  /* Typography */
  --font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 999px;

  /* Transitions - Smoother Claude Code Style */
  --transition-fast: 200ms ease-out;
  --transition-base: 300ms ease-out;
  --transition-slow: 500ms ease-out;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.45);
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

/* ===================================
   Layout & Container
   =================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.section-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  line-height: 1.6;
}

/* ===================================
   Header & Navigation
   =================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 20, 0.95);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: var(--font-size-lg);
  transition: opacity var(--transition-fast);
}

.brand:hover {
  opacity: 0.8;
}

.brand img {
  width: 120px;
  height: auto;
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform var(--transition-base);
}

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: all var(--transition-base) var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.btn-white {
  background: var(--color-white);
  color: #000;
}

.btn-white:hover {
  box-shadow: var(--shadow-md);
}

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

.btn-primary:hover {
  background: #e08465;
  box-shadow: var(--shadow-md);
}

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

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--space-3xl) 0;
}

.hero-bg {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 140%;
  background: radial-gradient(50% 50% at 50% 0%, rgba(217, 119, 87, 0.08), transparent);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xl);
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-brand {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  background: linear-gradient(135deg, #4A9EFF 0%, #9D5CFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}

.highlight {
  color: var(--color-accent-emerald);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 100%;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
  justify-content: center;
}

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

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin-top: var(--space-xl);
}

.dashboard-card {
  position: relative;
  background: rgba(21, 25, 34, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.dashboard-card img {
  border-radius: var(--radius-md);
  width: 100%;
}

.feature-pill {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: rgba(52, 211, 153, 0.2);
  color: var(--color-accent-emerald);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  backdrop-filter: blur(8px);
}

/* ===================================
   Social Proof
   =================================== */

.social-proof {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
  padding: var(--space-xl) 0;
}

.social-proof .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.proof-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
}

.logo-grid {
  display: flex;
  gap: var(--space-2xl);
  align-items: center;
  opacity: 0.7;
}

.logo-grid img {
  height: 64px;
  width: auto;
}

/* ===================================
   Features Section
   =================================== */

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

.feature-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

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

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* ===================================
   Tabbed Product Demo
   =================================== */

.product-demo {
  background: var(--color-bg-tertiary);
}

.tabs {
  margin-top: var(--space-2xl);
}

.tab-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  border-bottom: 2px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-buttons::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: var(--font-size-base);
  border-bottom: 3px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-text-primary);
}

.tab-btn.active {
  color: var(--color-accent-purple);
  border-bottom-color: var(--color-accent-purple);
}

.tab-content {
  display: none;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.tab-content.active {
  display: block;
  opacity: 1;
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-badges {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.badge {
  display: inline-flex;
  padding: 0.375rem 0.875rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.tab-visual {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.tab-visual img {
  width: 100%;
  border-radius: var(--radius-md);
}

.tab-description {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.tab-description h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.tab-description p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

/* ===================================
   SBOM Demo Section
   =================================== */

.sbom-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.sbom-info h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.sbom-steps {
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.step-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-accent-purple);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.step-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.step-content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.sbom-visual {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.sbom-visual img {
  border-radius: var(--radius-md);
}

/* ===================================
   Open Source Section
   =================================== */

.opensource-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.opensource-row.reverse {
  direction: rtl;
}

.opensource-row.reverse > * {
  direction: ltr;
}

.opensource-content h2,
.opensource-content h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.feature-list {
  list-style: none;
  margin: var(--space-lg) 0;
}

.feature-list li {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  align-items: flex-start;
}

.checkmark {
  color: var(--color-accent-emerald);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.feature-list li div {
  color: var(--color-text-secondary);
}

.feature-list li strong {
  color: var(--color-text-primary);
  display: block;
  margin-bottom: 0.25rem;
}

.opensource-actions {
  margin-top: var(--space-lg);
}

.visual-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.visual-card img {
  border-radius: var(--radius-md);
  width: 100%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-accent-purple);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ===================================
   How It Works
   =================================== */

.process-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.process-step {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
  transition: transform var(--transition-base);
}

.process-step:hover {
  transform: scale(1.02);
}

.process-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-accent-emerald);
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

.process-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.process-step h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.process-step p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ===================================
   Compliance Section
   =================================== */

.compliance {
  background: var(--color-bg-tertiary);
}

.compliance-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.compliance-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.compliance-badges {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* ===================================
   FAQ Accordion
   =================================== */

.faq {
  background: var(--color-bg-primary);
}

.accordion {
  max-width: 800px;
  margin: var(--space-2xl) auto 0;
}

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

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-align: left;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.accordion-header:hover {
  color: var(--color-accent-purple);
}

.accordion-icon {
  font-size: var(--font-size-2xl);
  font-weight: 300;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  padding-bottom: var(--space-lg);
}

.accordion-content p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===================================
   Pricing Section
   =================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.pricing-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
}

.pricing-card h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.pricing-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.launch-form {
  margin-top: var(--space-lg);
}

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

.form-note {
  color: var(--color-accent-emerald);
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
}

/* ===================================
   Footer
   =================================== */

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

.footer-brand .brand {
  margin-bottom: var(--space-md);
}

.footer-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer-column h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1023px) {
  .hero-content {
    max-width: 100%;
  }

  .hero-visual {
    max-width: 600px;
  }

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

  .sbom-layout,
  .opensource-row {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .opensource-row.reverse {
    direction: ltr;
  }

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

  .process-step:not(:last-child)::after {
    display: none;
  }

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

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

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

@media (max-width: 767px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .hero {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

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

  .tab-buttons {
    justify-content: flex-start;
  }

  .process-flow {
    grid-template-columns: 1fr;
  }

  .logo-grid {
    gap: var(--space-lg);
  }

  .logo-grid img {
    height: 48px;
  }

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

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

/* ===================================
   Animations & Transitions
   =================================== */

/* Fallback: Only show content if JavaScript is disabled */
html.no-js [data-aos] {
  opacity: 1 !important;
  transform: none !important;
}

/* Default: AOS controls visibility */
[data-aos] {
  transition-property: transform, opacity;
}

.hover-lift {
  transition: transform var(--transition-base);
}

.hover-lift:hover {
  transform: scale(1.02);
}

/* Smooth scroll offset for fixed header */
section {
  scroll-margin-top: 100px;
}

/* ===================================
   Terminal Mockup Styling
   =================================== */

.terminal-window {
  background: var(--color-bg-terminal);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.terminal-header {
  background: rgba(30, 35, 45, 0.9);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.terminal-dots {
  display: flex;
  gap: 0.5rem;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-muted);
  opacity: 0.5;
}

.terminal-dot:first-child {
  background: #ff5f56;
}

.terminal-dot:nth-child(2) {
  background: #ffbd2e;
}

.terminal-dot:nth-child(3) {
  background: #27c93f;
}

.terminal-title {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
}

.terminal-body {
  padding: var(--space-lg);
  font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text-primary);
  min-height: 200px;
}

.terminal-prompt {
  color: var(--color-accent-emerald);
  font-weight: 600;
}

.terminal-command {
  color: var(--color-accent-purple);
}

.terminal-output {
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
}