:root {
  --bg: #0c0c0e;
  --bg-elevated: #141418;
  --bg-card: #1a1a20;
  --bg-terminal: #0a0a0c;
  --border: #2a2a32;
  --border-subtle: #1e1e26;
  --text: #e8e6e3;
  --text-secondary: #9b978f;
  --text-dim: #706e66;
  --accent: #d4a843;
  --accent-glow: #d4a84322;
  --accent-hover: #e0b94f;
  --green: #4ec88b;
  --red: #e05a5a;
  --yellow: #d4a843;
  --cyan: #5ab4d4;
  --magenta: #b07ad4;
  --font-mono: 'IBM Plex Mono', 'Menlo', monospace;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- NAV ---- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 12, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s;
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-brand span { color: var(--text-dim); }

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

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  font-weight: 500;
}

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

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.8125rem !important;
  color: var(--accent) !important;
  border: 1px solid var(--accent);
  padding: 0.375rem 1rem;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s !important;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ---- SECTIONS ---- */
section {
  padding: 6rem 2rem;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
}

/* ---- HERO ---- */
.hero {
  padding: 10rem 2rem 6rem;
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.25rem 0.875rem;
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px var(--accent-glow);
}

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

.btn-ghost:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

/* ---- TERMINAL BLOCK ---- */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  text-align: left;
  margin: 3rem auto 0;
  max-width: 840px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.5);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.terminal-dot:nth-child(1) { background: #e05a5a; }
.terminal-dot:nth-child(2) { background: #d4a843; }
.terminal-dot:nth-child(3) { background: #4ec88b; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 8px;
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.65;
  overflow-x: auto;
}

.terminal-body .prompt { color: var(--accent); }
.terminal-body .cmd { color: var(--text); }
.terminal-body .dim { color: var(--text-dim); }
.terminal-body .cyan { color: var(--cyan); }
.terminal-body .green { color: var(--green); }
.terminal-body .yellow { color: var(--yellow); }
.terminal-body .red { color: var(--red); }
.terminal-body .magenta { color: var(--magenta); }
.terminal-body .bold { font-weight: 600; }

/* ---- PROBLEM ---- */
.problem {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.problem .container {
  max-width: 720px;
  text-align: center;
}

.problem h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.problem p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.problem p + p { margin-top: 1rem; }

.problem-questions {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 2.5rem;
  text-align: left;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.problem-q {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-dim);
  padding-left: 1.5rem;
  position: relative;
}

.problem-q::before {
  content: '?';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---- HOW IT WORKS ---- */
.how-it-works h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  text-align: center;
}

.how-it-works .section-sub {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3.5rem;
  font-size: 1.0625rem;
}

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

.step {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step h3 {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.step p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.step-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  display: block;
}

/* ---- FEATURES ---- */
.features {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.features h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.75rem;
  transition: border-color 0.2s;
}

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

.feature-cmd {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.625rem;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ---- FEATURE TERMINAL DEMOS ---- */
.feature-demo {
  margin-top: 2.5rem;
}

.feature-demo .terminal {
  margin: 0 auto;
  max-width: 100%;
}

/* ---- POLICIES ---- */
.policies h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  text-align: center;
}

.policies .section-sub {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1.0625rem;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.policy-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.5rem;
}

.policy-item h3 {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.policy-item p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ---- PRIVACY ---- */
.privacy {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.privacy-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.privacy h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.privacy-intro {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.privacy-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.privacy-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.privacy-check {
  color: var(--green);
  font-family: var(--font-mono);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.privacy-levels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.level-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.25rem;
}

.level-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.level-name {
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.375rem;
}

.level-desc {
  font-size: 0.8125rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ---- QUICKSTART ---- */
.quickstart h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  text-align: center;
}

.quickstart .section-sub {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1.0625rem;
}

.quickstart-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 840px;
  margin: 0 auto 3rem;
}

.qs-step {
  text-align: center;
}

.qs-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: 0.06em;
}

.qs-code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  color: var(--text);
  margin-bottom: 0.625rem;
}

.qs-label {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

.quickstart-prereqs {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
}

/* ---- FOOTER ---- */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 2rem;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-dim);
}

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

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--text-dim);
  font-style: italic;
}

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

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-copyright {
  max-width: 1120px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
}

.footer-copyright a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ---- SCROLL ANIMATIONS ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .policy-grid { grid-template-columns: 1fr; }
  .privacy-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .privacy-levels { grid-template-columns: repeat(2, 1fr); }
  .quickstart-steps { grid-template-columns: 1fr; max-width: 360px; }
}

@media (max-width: 640px) {
  section { padding: 4rem 1.25rem; }
  .hero { padding: 7rem 1.25rem 4rem; }
  .nav-inner { padding: 0 1.25rem; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(12, 12, 14, 0.97);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    gap: 1.25rem;
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .terminal-body { font-size: 0.6875rem; padding: 1rem; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
  .footer-copyright { margin-top: 1.5rem; padding-top: 1.25rem; padding-inline: 1.25rem; }
  .privacy-levels { grid-template-columns: 1fr; }
}