/* AvaMinder Design System & Styles */
:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #eef2ff;
  --primary-glow: rgba(99, 102, 241, 0.2);
  --secondary: #06b6d4;
  --accent: #10b981;
  --bg-main: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --bg-card: rgba(17, 24, 39, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.35);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1100px;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 20% 10%, rgba(99, 102, 241, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 80% 25%, rgba(6, 182, 212, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Container & Typography */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3, h4 {
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

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

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(99, 102, 241, 0.38);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-highlight);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: #a5b4fc;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: rgba(11, 15, 25, 0.85);
  border-bottom: 1px solid var(--border-subtle);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 40%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: block;
  object-fit: cover;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.925rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* Hero Section (What It Is) */
.hero {
  padding: 5.5rem 0 3.5rem;
  text-align: center;
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  font-weight: 800;
  margin: 1.25rem 0 1.25rem;
  line-height: 1.12;
}

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 40%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
  line-height: 1.6;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* Integrations Logos bar */
.integrations-bar {
  padding: 3rem 0 2rem;
  text-align: center;
}

.integrations-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.logos-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.25rem;
  flex-wrap: wrap;
}

.logo-tag {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* How It Works Section */
.how-it-works {
  padding: 5.5rem 0;
  background: rgba(17, 24, 39, 0.35);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 3.5rem;
}

.section-header h2 {
  font-size: 2.3rem;
  margin: 0.75rem 0 0.75rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  position: relative;
  text-align: left;
  transition: border-color var(--transition-fast);
}

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

.step-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(99, 102, 241, 0.3);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
}

.step-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Capabilities Grid */
.features {
  padding: 5.5rem 0 3.5rem;
  background: rgba(17, 24, 39, 0.25);
  border-top: 1px solid var(--border-subtle);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-highlight);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.12);
  color: #818cf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.925rem;
  line-height: 1.6;
}

/* Safety & Control Disclaimer Callout */
.safety-callout {
  padding: 3rem 0 5rem;
}

.safety-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(99, 102, 241, 0.06) 100%);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.safety-content h3 {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.safety-content p {
  font-size: 0.95rem;
}

/* Example Draft Section */
.example-section {
  padding: 5.5rem 0 5rem;
}

.magic-preview {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
}

.magic-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2.5rem;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
  text-align: left;
}

.magic-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.magic-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.magic-pill {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-weight: 600;
}

.transform-row {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.transform-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.transform-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.transform-label.after {
  color: #818cf8;
}

.code-box {
  background: rgba(11, 15, 25, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.05rem;
  color: var(--text-primary);
  word-break: break-word;
}

.code-box.highlight {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.08);
  color: #ffffff;
  font-weight: 500;
}

.magic-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.unit-note {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.unit-note strong {
  color: #34d399;
}

.approval-badge {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* CTA Banner */
.cta-banner {
  padding: 4rem 0 6rem;
}

.cta-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
}

.cta-box p {
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 2.25rem;
}

.cta-form {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.cta-input {
  flex: 1 1 240px;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: rgba(11, 15, 25, 0.85);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.cta-input:focus {
  border-color: var(--primary);
}

.cta-status {
  margin-top: 1.25rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  display: none;
}

.cta-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.cta-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

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

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  .hero {
    padding: 3.5rem 0 2rem;
  }
  .magic-card {
    padding: 1.5rem 1.25rem;
  }
  .code-box {
    font-size: 0.925rem;
  }
  .cta-box {
    padding: 2.75rem 1.25rem;
  }
}