/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --clr-bg: #0a0c0f;
  --clr-surface: #111418;
  --clr-surface-2: #181c22;
  --clr-border: #1e2430;
  --clr-text: #e8eaf0;
  --clr-muted: #7a8394;
  --clr-accent: #5b8ef0;
  --clr-accent-dim: rgba(91, 142, 240, 0.12);
  --clr-accent-glow: rgba(91, 142, 240, 0.25);
  --clr-green: #3dd68c;
  --clr-green-dim: rgba(61, 214, 140, 0.12);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.6);

  --transition: 200ms ease;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  font-size: 1rem;
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

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

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text);
  letter-spacing: -0.02em;
  transition: opacity var(--transition);
}

.logo:hover { opacity: 0.8; }

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--clr-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--clr-muted);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}

.nav-links .nav-cta {
  background: var(--clr-accent-dim);
  color: var(--clr-accent);
  border: 1px solid rgba(91, 142, 240, 0.3);
}

.nav-links .nav-cta:hover {
  background: var(--clr-accent);
  color: #fff;
}

/* ===== Hero ===== */
.hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(91, 142, 240, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clr-green);
  background: var(--clr-green-dim);
  border: 1px solid rgba(61, 214, 140, 0.25);
  border-radius: 100px;
  padding: 0.3rem 0.85rem;
}

.hero-headline {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  max-width: 700px;
}

.accent {
  background: linear-gradient(135deg, var(--clr-accent) 0%, #8fb8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* ===== Buttons ===== */
.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  box-shadow: 0 2px 12px var(--clr-accent-glow);
}

.btn-primary:hover {
  background: #7ba5f5;
  box-shadow: 0 4px 20px var(--clr-accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-muted);
  border: 1px solid var(--clr-border);
}

.btn-ghost:hover {
  color: var(--clr-text);
  border-color: #2e3848;
  background: var(--clr-surface);
}

/* ===== Terminal ===== */
.hero-terminal {
  width: 100%;
  max-width: 640px;
  margin-top: 1.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  text-align: left;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: var(--clr-surface-2);
  border-bottom: 1px solid var(--clr-border);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }

.terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--clr-muted);
  font-family: var(--font-mono);
  margin-right: 54px; /* balance dots */
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #b0bcc8;
  overflow-x: auto;
}

.terminal-body code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

.terminal-body .prompt {
  color: var(--clr-accent);
  user-select: none;
}

.terminal-body .output {
  color: var(--clr-green);
}

/* ===== Trust strip ===== */
.trust-strip {
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-surface);
  padding: 1.25rem 0;
}

.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--clr-muted);
}

.trust-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--clr-accent);
}

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

.section-alt {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.section-sub {
  color: var(--clr-muted);
  font-size: 1rem;
  margin-bottom: 3rem;
}

/* ===== Steps ===== */
.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--transition);
}

.step:last-child { border-bottom: none; }

.step:hover { background: var(--clr-surface-2); }

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--clr-accent);
  letter-spacing: 0.05em;
  min-width: 2.5rem;
  padding-top: 0.15rem;
  opacity: 0.8;
}

.step-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ===== Features grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--clr-border);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature-card {
  background: var(--clr-surface);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background var(--transition);
}

.feature-card:hover { background: var(--clr-surface-2); }

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-accent-dim);
  border: 1px solid rgba(91, 142, 240, 0.2);
  border-radius: 10px;
  color: var(--clr-accent);
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ===== CTA ===== */
.cta-section {
  padding: 5rem 0;
  text-align: center;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.cta-inner h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.cta-inner p {
  color: var(--clr-muted);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--clr-border);
  background: var(--clr-surface);
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--clr-muted);
}

.footer-note {
  font-size: 0.8rem;
  color: #4a5568;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .nav-links { display: none; }

  .hero {
    padding: 4rem 0 3rem;
  }

  .step {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.25rem 1.25rem;
  }

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

  .trust-inner {
    gap: 1rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-terminal {
    font-size: 0.72rem;
  }
}