:root {
  --bg: #0d0f12;
  --card-bg: #16191e;
  --border: #262a33;
  --accent: #ff5e36;
  --text: #e2e8f0;
  --muted: #94a3b8;
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  padding: 0 20px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

/* Header / Nav */
header {
  padding: 30px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.language-toggle {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-bg);
}

.language-option {
  border: 0;
  border-radius: 4px;
  padding: 5px 8px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.language-option:hover,
.language-option:focus-visible {
  color: var(--text);
}

.language-option.is-active {
  background: var(--border);
  color: var(--text);
}

.language-option:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-contact {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.nav-contact:hover {
  color: var(--accent);
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  padding: 80px 0;
  align-items: center;
}

.badge {
  display: inline-block;
  background: rgba(255, 94, 54, 0.1);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-sub {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.cta-button {
  background: var(--accent);
  color: white;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: opacity 0.2s ease;
}

.cta-button:hover {
  opacity: 0.9;
}

/* Hero Visual (Proof of Process) */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card-label {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 10px;
}

.prose-text {
  font-family: Georgia, Cambria, serif;
  font-style: italic;
  color: #cbd5e1;
  font-size: 0.95rem;
}

.script-text {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Overview Section */
.overview {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}

.overview h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.overview p {
  color: var(--muted);
  max-width: 700px;
  font-size: 1.05rem;
}

/* Process Section */
.process {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: 0.85rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.step-num {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.step-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-desc {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Footer / Contact */
footer {
  padding: 80px 0 60px;
  border-top: 1px solid var(--border);
  text-align: center;
}

footer h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

footer p {
  color: var(--muted);
  margin-bottom: 28px;
}

.email-link {
  font-size: 1.2rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.email-link:hover {
  border-color: var(--accent);
}

.copyright {
  margin-top: 60px;
  font-size: 0.8rem;
  color: #475569;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  header {
    gap: 16px;
  }

  .header-actions {
    gap: 14px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 40px 0;
  }

  .grid-3 {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  h1 {
    font-size: 2.1rem;
  }
}

@media (max-width: 420px) {
  .header-actions {
    gap: 10px;
  }

  .nav-contact {
    font-size: 0.8rem;
  }
}