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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--nb-surface);
  min-height: 100vh;
}

.page-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 40px 80px;
}

/* ── Hero ───────────────────────────────────────── */
.hero {
  background: var(--nb-primary-light);
  border: 4px solid var(--nb-border);
  box-shadow: 12px 12px 0 var(--nb-border);
  padding: 72px 48px;
  text-align: center;
  margin-bottom: 32px;
}

.hero-robot {
  width: 100px;
  height: 100px;
  margin: 0 auto 20px;
  background: var(--nb-primary);
  border: 4px solid var(--nb-border);
  box-shadow: 6px 6px 0 var(--nb-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: default;
}

.hero-robot:hover {
  transform: rotate(-6deg) scale(1.05);
  box-shadow: 8px 8px 0 var(--nb-border);
}

.hero-robot svg {
  width: 64px;
  height: 64px;
  color: var(--nb-bg);
}

.hero-badge {
  display: inline-block;
  background: var(--nb-border);
  color: var(--nb-bg);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 5px 12px;
  margin-bottom: 20px;
  max-width: 100%;
  line-height: 1.4;
}

.hero h1 {
  /* Wordmark: preserve camelCase per brand guide — override base.css h1 uppercase */
  text-transform: none;
  font-size: clamp(28px, 7vw, 64px);
  font-weight: 900;
  color: var(--nb-text);
  letter-spacing: clamp(-1px, -0.2vw, -2px);
  line-height: 1;
  margin-bottom: 20px;
  /* Safety net: if someone ever makes the word longer, break rather than overflow */
  overflow-wrap: break-word;
}

.hero-hook {
  font-size: 20px;
  font-weight: 600;
  color: var(--nb-text);
  line-height: 1.6;
  max-width: 620px;
  margin: 0 auto 36px;
  opacity: 0.85;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--nb-primary);
  color: var(--nb-bg);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  border: 3px solid var(--nb-border);
  box-shadow: 5px 5px 0 var(--nb-border);
  transition: transform 0.1s, box-shadow 0.1s;
}

.primary-button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--nb-border);
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--nb-bg);
  color: var(--nb-text);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  border: 3px solid var(--nb-border);
  box-shadow: 4px 4px 0 var(--nb-border);
  transition: transform 0.1s, box-shadow 0.1s;
}

.secondary-button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--nb-border);
}

/* ── Pain Point ─────────────────────────────────── */
.pain-point {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--nb-amber-light);
  border: 3px solid var(--nb-border);
  border-left: 8px solid var(--nb-border);
  padding: 24px 28px;
  margin-bottom: 48px;
  box-shadow: 4px 4px 0 var(--nb-border);
}

.pain-icon {
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.pain-point p {
  font-size: 16px;
  font-weight: 600;
  color: var(--nb-text);
  line-height: 1.65;
}

.pain-point strong {
  font-weight: 900;
}

/* ── Section Title ──────────────────────────────── */
.section-title {
  font-size: 26px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--nb-text);
  letter-spacing: -0.3px;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--nb-border);
}

/* ── How It Works ───────────────────────────────── */
.how-it-works {
  margin-bottom: 52px;
}

.steps-container {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
  background: var(--nb-bg);
  border: 4px solid var(--nb-border);
  padding: 28px 24px;
  box-shadow: 6px 6px 0 var(--nb-border);
  margin-right: 4px;
  margin-bottom: 4px;
}

.step-number {
  width: 44px;
  height: 44px;
  background: var(--nb-primary);
  color: var(--nb-bg);
  border: 3px solid var(--nb-border);
  box-shadow: 3px 3px 0 var(--nb-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--nb-text);
  margin-bottom: 10px;
}

.step p {
  font-size: 14px;
  font-weight: 600;
  color: var(--nb-text);
  line-height: 1.6;
  opacity: 0.8;
}

.step-connector {
  font-size: 28px;
  font-weight: 900;
  color: var(--nb-primary);
  padding: 36px 12px 0;
  flex-shrink: 0;
}

/* ── Differentiators ────────────────────────────── */
.differentiators {
  margin-bottom: 52px;
}

.differentiators-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-bottom: 20px;
}

.differentiator-card {
  background: var(--nb-bg);
  border: 4px solid var(--nb-border);
  border-left: 8px solid var(--nb-primary);
  padding: 28px 24px;
  box-shadow: 6px 6px 0 var(--nb-border);
  margin-right: 6px;
  margin-bottom: 6px;
  transition: transform 0.1s, box-shadow 0.1s;
}

.differentiator-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--nb-border);
}

.diff-icon {
  width: 52px;
  height: 52px;
  background: var(--nb-primary);
  border: 3px solid var(--nb-border);
  box-shadow: 3px 3px 0 var(--nb-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--nb-bg);
}

.differentiator-card h3 {
  font-size: 17px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--nb-text);
  margin-bottom: 12px;
  line-height: 1.2;
}

.differentiator-card p {
  font-size: 14px;
  font-weight: 600;
  color: var(--nb-text);
  line-height: 1.65;
  opacity: 0.8;
}

.differentiators-link {
  text-align: center;
  padding-top: 8px;
}

/* ── App Preview ────────────────────────────────── */
.app-preview-section {
  margin-bottom: 52px;
}

.section-heading {
  font-size: 26px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--nb-text);
  letter-spacing: -0.3px;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--nb-border);
}

.section-subtitle {
  font-size: 15px;
  font-weight: 600;
  color: var(--nb-text);
  opacity: 0.6;
  margin-bottom: 28px;
}

.preview-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.preview-card {
  background: var(--nb-bg);
  border: 4px solid var(--nb-border);
  box-shadow: 6px 6px 0 var(--nb-border);
  margin-right: 6px;
  margin-bottom: 6px;
  overflow: hidden;
}

.preview-card-header {
  background: var(--nb-primary);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 3px solid var(--nb-border);
}

.preview-card-step {
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--nb-bg);
  opacity: 0.75;
}

.preview-card-title {
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--nb-bg);
}

.preview-card-visual {
  padding: 16px;
}

.preview-mockup {
  background: var(--nb-surface);
  border: 2px solid var(--nb-border);
  border-radius: 0;
  overflow: hidden;
}

.mockup-toolbar {
  background: var(--nb-border);
  padding: 8px 12px;
  display: flex;
  gap: 6px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  background: var(--nb-bg);
  opacity: 0.5;
  border-radius: 50%;
  display: inline-block;
}

.mockup-content {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup-search {
  font-size: 12px;
  font-weight: 600;
  color: var(--nb-text);
  opacity: 0.5;
  border: 1px solid var(--nb-border);
  padding: 6px 8px;
}

.mockup-item {
  font-size: 12px;
  font-weight: 600;
  color: var(--nb-text);
  padding: 6px 8px;
  opacity: 0.7;
}

.mockup-item--selected {
  background: var(--nb-primary);
  color: var(--nb-bg);
  opacity: 1;
}

.mockup-heading {
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--nb-text);
  margin-bottom: 4px;
}

.mockup-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--nb-text);
  opacity: 0.75;
  line-height: 1.5;
}

.mockup-text--fade {
  opacity: 0.4;
}

.mockup-cursor {
  font-size: 16px;
  font-weight: 900;
  color: var(--nb-primary);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Final CTA ──────────────────────────────────── */
.final-cta {
  background: var(--nb-primary);
  border: 4px solid var(--nb-border);
  box-shadow: 10px 10px 0 var(--nb-border);
  padding: 56px 48px;
  text-align: center;
}

.final-cta h2 {
  font-size: 30px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--nb-bg);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.final-cta p {
  font-size: 16px;
  font-weight: 600;
  color: var(--nb-bg);
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.final-cta .primary-button {
  background: var(--nb-bg);
  color: var(--nb-primary);
  border-color: var(--nb-border);
}

.final-cta .primary-button:hover {
  background: var(--nb-bg);
}

.final-cta .secondary-button {
  border-color: var(--nb-bg);
  color: var(--nb-bg);
  background: transparent;
  box-shadow: 3px 3px 0 rgba(0,0,0,0.3);
}

.final-cta .secondary-button:hover {
  background: rgba(255,255,255,0.1);
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 900px) {
  .page-container { padding: 32px 20px 60px; }
  .hero { padding: 48px 24px; box-shadow: 8px 8px 0 var(--nb-border); }
  .steps-container { flex-direction: column; gap: 4px; }
  .step-connector { padding: 4px 0; transform: rotate(90deg); align-self: center; }
  .differentiators-grid { grid-template-columns: 1fr; }
  .preview-cards { grid-template-columns: 1fr; }
  .final-cta { padding: 40px 24px; }
  .hero-hook { font-size: 18px; }
}

/* Narrow phones (≤480px) — tighten padding, shrink non-essential elements */
@media (max-width: 480px) {
  .page-container { padding: 20px 12px 48px; }
  .hero { padding: 36px 18px; box-shadow: 6px 6px 0 var(--nb-border); }
  .hero-robot { width: 72px; height: 72px; }
  .hero-robot svg { width: 44px; height: 44px; }
  .hero h1 { letter-spacing: -0.5px; }
  .hero-hook { font-size: 16px; line-height: 1.55; }
  .hero-cta { gap: 10px; }
  .primary-button, .secondary-button { width: 100%; justify-content: center; }
}