:root {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-raised: #334155;
  --color-primary: #10b981;
  --color-primary-hover: #059669;
  --color-primary-light: #34d399;
  --color-accent: #38bdf8;
  --color-text: #f8fafc;
  --color-muted: #94a3b8;
  --color-border: rgba(148, 163, 184, 0.2);
  --radius: 1rem;
  --radius-sm: 0.5rem;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-emoji: "Noto Color Emoji", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  --container: 72rem;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.dev-banner {
  background: linear-gradient(90deg, #f59e0b, #ef4444);
  color: #fff;
  text-align: center;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.85);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 2.25rem;
  width: auto;
  display: block;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-surface);
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: none;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.lang-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-raised);
}

.lang-btn.active {
  background: var(--color-primary);
  color: #fff;
}

.flag {
  font-family: var(--font-emoji);
  font-size: 1.1rem;
  line-height: 1;
}

.hero {
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 64rem) {
  .hero .container {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero-content {
  max-width: 40rem;
}

.eyebrow {
  display: inline-block;
  color: var(--color-primary-light);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

h1, h2, h3 {
  margin: 0 0 1rem;
  line-height: 1.15;
  font-weight: 800;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.hero-lead {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--color-muted);
  margin: 0 0 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #062c20;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -5px rgba(16, 185, 129, 0.35);
}

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

.btn-secondary:hover {
  background: var(--color-surface-raised);
  border-color: var(--color-muted);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.terminal {
  width: 100%;
  max-width: 24rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--color-border);
}

.terminal-header span {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--color-surface-raised);
}

.terminal-header span:first-child { background: #ef4444; }
.terminal-header span:nth-child(2) { background: #f59e0b; }
.terminal-header span:nth-child(3) { background: var(--color-primary); }

.terminal-body {
  padding: 1.25rem;
  font-family: ui-monospace, "Cascadia Code", "Fira Code", Menlo, monospace;
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.8;
}

.terminal-body p {
  margin: 0;
}

.terminal-body .prompt {
  color: var(--color-primary-light);
  margin-right: 0.5rem;
}

.terminal-success {
  color: var(--color-primary-light);
}

.cursor {
  display: inline-block;
  color: var(--color-primary-light);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.trust {
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.trust-text {
  margin: 0;
  color: var(--color-muted);
  font-size: 1rem;
  max-width: 45rem;
  margin-inline: auto;
}

.section-header {
  text-align: center;
  max-width: 45rem;
  margin: 0 auto 3rem;
}

.section-header p {
  color: var(--color-muted);
  font-size: 1.1rem;
  margin: 0;
}

.features {
  padding: 5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--color-primary);
}

.feature-icon {
  font-family: var(--font-emoji);
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
}

.feature-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.roadmap-cta {
  padding: 3rem 0 5rem;
}

.roadmap-card {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(56, 189, 248, 0.08));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
}

.roadmap-card h2 {
  margin-bottom: 1rem;
}

.roadmap-card p {
  color: var(--color-muted);
  max-width: 45rem;
  margin: 0 auto 1.75rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.coming-soon {
  padding: 4rem 0 6rem;
  text-align: center;
}

.coming-soon .soon-email {
  margin-top: 2.5rem;
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
}

.footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.footer-copy {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

@media (max-width: 40rem) {
  .hero {
    padding: 2.5rem 0 2rem;
  }

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

  .btn {
    width: 100%;
  }

  .lang-btn {
    padding: 0.3rem 0.45rem;
  }

  .lang-label {
    display: none;
  }

  .features {
    padding: 3rem 0;
  }

  .roadmap-card {
    padding: 2rem 1.25rem;
  }
}