/* =============================================================
   ShortcutPlan homepage — home.css
   Editorial / research-journal aesthetic on the existing brand base.
   Standalone: does NOT depend on style.css (which is wizard-specific).
   ============================================================= */

/* Baseline resets */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5, h6, p, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }

/* Local variables + type utilities */
.sp-home {
  --sp-max: 1160px;
  --sp-gutter: 24px;
  --sp-ink: #0F172A;
  --sp-ink-2: #1E293B;
  --sp-slate-7: #334155;
  --sp-slate-6: #475569;
  --sp-slate-5: #64748B;
  --sp-slate-4: #94A3B8;
  --sp-slate-3: #CBD5E1;
  --sp-slate-2: #E2E8F0;
  --sp-slate-1: #F1F5F9;
  --sp-slate-05: #F8FAFC;
  --sp-accent: #FF6B35;
  --sp-accent-soft: #FFF4EE;
  --sp-accent-tint: #FFE5D6;
  --sp-accent-ink: #B54516;
  --sp-green: #10B981;
  --sp-green-soft: #D1FAE5;
  --sp-font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --sp-font-body: 'Inter', system-ui, sans-serif;
  --sp-font-editorial: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sp-font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  font-family: var(--sp-font-body);
  color: var(--sp-ink);
  background: #fff;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.sp-home * { box-sizing: border-box; }
.sp-home img, .sp-home svg { max-width: 100%; }
.sp-home a { color: inherit; text-decoration: none; }

/* =============================================================
   HEADER
   ============================================================= */
.sp-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--sp-slate-2);
}
.sp-header-inner {
  max-width: var(--sp-max);
  margin: 0 auto;
  padding: 14px var(--sp-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.sp-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.sp-logo-mark { width: 28px; height: 28px; flex-shrink: 0; }
.sp-logo-text {
  font-family: var(--sp-font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--sp-ink);
  letter-spacing: -0.02em;
}
.sp-nav {
  display: inline-flex;
  gap: 26px;
  align-items: center;
}
.sp-nav-link {
  font-family: var(--sp-font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--sp-slate-6);
  transition: color 120ms ease;
}
.sp-nav-link:hover { color: var(--sp-ink); }

@media (max-width: 640px) {
  .sp-nav { display: none; }
}

/* =============================================================
   BUTTONS (reused across sections)
   ============================================================= */
.sp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--sp-font-display);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 140ms cubic-bezier(0.2, 0.8, 0.2, 1);
  white-space: nowrap;
  text-decoration: none;
}
.sp-btn-primary {
  background: var(--sp-accent);
  color: #fff;
  box-shadow: 0 1px 2px rgba(255,107,53,0.18), 0 4px 12px rgba(255,107,53,0.18);
}
.sp-btn-primary:hover {
  background: #F05A27;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(255,107,53,0.25), 0 8px 20px rgba(255,107,53,0.25);
}
.sp-btn-ghost {
  background: transparent;
  color: var(--sp-ink);
  border-color: var(--sp-slate-2);
}
.sp-btn-ghost:hover {
  background: var(--sp-slate-1);
  border-color: var(--sp-slate-3);
}
.sp-btn-outline {
  background: #fff;
  color: var(--sp-ink);
  border-color: var(--sp-ink);
}
.sp-btn-outline:hover {
  background: var(--sp-ink);
  color: #fff;
}
.sp-btn-large {
  padding: 16px 28px;
  font-size: 15.5px;
}

/* =============================================================
   SECTION SCAFFOLDING
   ============================================================= */
.sp-section {
  padding: 96px 0;
  border-bottom: 1px solid var(--sp-slate-2);
  position: relative;
}
.sp-section:last-of-type { border-bottom: 0; }
.sp-section-inner {
  max-width: var(--sp-max);
  margin: 0 auto;
  padding: 0 var(--sp-gutter);
}
.sp-section-head {
  max-width: 780px;
  margin-bottom: 56px;
}
.sp-section-num {
  font-family: var(--sp-font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--sp-accent);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  display: inline-block;
}
.sp-section-num-light {
  color: #FF9866;
}
.sp-section-title {
  font-family: var(--sp-font-display);
  font-size: 42px;
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--sp-ink);
  margin: 0 0 16px;
}
.sp-section-title-light {
  color: #fff;
}
.sp-section-lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--sp-slate-6);
  margin: 0;
}
.sp-section-foot {
  text-align: center;
  margin-top: 40px;
}

.sp-section-dark {
  background: var(--sp-ink);
  color: #fff;
  border-bottom: 0;
}
.sp-section-tinted {
  background: var(--sp-slate-05);
}

/* =============================================================
   HERO
   ============================================================= */
.sp-hero {
  position: relative;
  padding: 110px 0 100px;
  overflow: hidden;
  background: linear-gradient(180deg, #FFFFFF 0%, #FFFBF8 100%);
  border-bottom: 1px solid var(--sp-slate-2);
}
.sp-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--sp-max);
  margin: 0 auto;
  padding: 0 var(--sp-gutter);
  text-align: center;
}
.sp-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  font-family: var(--sp-font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--sp-accent-ink);
  background: var(--sp-accent-soft);
  border: 1px solid var(--sp-accent-tint);
  border-radius: 999px;
  margin-bottom: 26px;
  letter-spacing: 0.01em;
}
.sp-pulse {
  width: 7px;
  height: 7px;
  background: var(--sp-accent);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}
.sp-pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--sp-accent);
  opacity: 0.3;
  animation: sp-pulse 2s ease-out infinite;
}
@keyframes sp-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.4); opacity: 0; }
}

.sp-hero-title {
  font-family: var(--sp-font-display);
  font-size: 72px;
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--sp-ink);
  margin: 0 0 26px;
  max-width: 920px;
  margin-inline: auto;
}
.sp-hero-accent {
  font-family: var(--sp-font-editorial);
  font-style: italic;
  font-weight: 600;
  color: var(--sp-accent);
  letter-spacing: -0.01em;
}
.sp-hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--sp-slate-6);
  max-width: 680px;
  margin: 0 auto 36px;
}
.sp-hero-ctas {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 56px;
}
.sp-hero-meta {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 36px;
  border-top: 1px dashed var(--sp-slate-3);
  max-width: 840px;
  margin-inline: auto;
}
.sp-hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}
.sp-hero-meta-num {
  font-family: var(--sp-font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--sp-ink);
}
.sp-hero-meta-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--sp-slate-5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Hero decorative background */
.sp-hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}
.sp-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
}
.sp-hero-orb-a {
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(255,107,53,0.35), rgba(255,107,53,0) 70%);
  top: -180px; left: -140px;
}
.sp-hero-orb-b {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(255,152,102,0.28), rgba(255,152,102,0) 70%);
  bottom: -120px; right: -100px;
}
.sp-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(15,23,42,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15,23,42,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 85%);
}

/* =============================================================
   METHODOLOGY SECTION
   ============================================================= */
.sp-method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sp-method-card {
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--sp-slate-2);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all 180ms ease;
}
.sp-method-card:hover {
  border-color: var(--sp-accent-tint);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15,23,42,0.03), 0 12px 32px rgba(255,107,53,0.08);
}
.sp-method-num {
  font-family: var(--sp-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--sp-slate-5);
  text-transform: uppercase;
}
.sp-method-title {
  font-family: var(--sp-font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--sp-ink);
}
.sp-method-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--sp-slate-6);
  flex: 1;
}
.sp-method-tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}

/* Tags reusable */
.sp-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  font-family: var(--sp-font-mono);
  font-size: 11.5px;
  font-weight: 500;
  background: var(--sp-slate-1);
  color: var(--sp-slate-7);
  border-radius: 6px;
  letter-spacing: 0.01em;
}
.sp-tag-small { font-size: 11px; padding: 3px 8px; }
.sp-tag-muted { background: transparent; color: var(--sp-slate-5); font-style: italic; }
.sp-tag-outline {
  background: transparent;
  border: 1px dashed var(--sp-slate-3);
  color: var(--sp-slate-6);
  padding: 4px 9px;
  border-radius: 6px;
  font-family: var(--sp-font-mono);
  font-size: 11.5px;
  font-weight: 500;
}
.sp-tag-accent {
  background: var(--sp-accent-soft);
  color: var(--sp-accent-ink);
  padding: 4px 9px;
  border-radius: 6px;
  font-family: var(--sp-font-mono);
  font-size: 11.5px;
  font-weight: 600;
}

/* =============================================================
   TWO-COL (why reddit)
   ============================================================= */
.sp-two-col {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 72px;
  align-items: center;
}
.sp-two-col-text .sp-section-num { margin-bottom: 14px; }
.sp-two-col-text .sp-section-title { font-size: 38px; margin-bottom: 20px; }
.sp-lead-dark {
  font-size: 18px;
  color: var(--sp-slate-3);
  margin: 0 0 28px;
  line-height: 1.55;
}
.sp-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.sp-check-list li {
  padding-left: 32px;
  position: relative;
  color: var(--sp-slate-3);
  line-height: 1.6;
  font-size: 15px;
}
.sp-check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 18px;
  height: 2px;
  background: var(--sp-accent);
}
.sp-check-list strong { color: #fff; font-weight: 700; }

/* Distill visualization — stylized Reddit feed -> document */
.sp-distill-viz {
  display: flex;
  align-items: center;
  gap: 22px;
  font-family: var(--sp-font-body);
}
.sp-distill-posts {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sp-distill-post {
  padding: 12px 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  animation: sp-float 4s ease-in-out infinite;
}
.sp-distill-post:nth-child(2) { animation-delay: 0.4s; }
.sp-distill-post:nth-child(3) { animation-delay: 0.8s; }
.sp-distill-post:nth-child(4) { animation-delay: 1.2s; }

@keyframes sp-float {
  0%, 100% { transform: translateX(0); opacity: 0.85; }
  50% { transform: translateX(4px); opacity: 1; }
}

.sp-distill-post-meta {
  font-size: 11px;
  color: var(--sp-slate-4);
  margin-bottom: 4px;
  font-family: var(--sp-font-mono);
}
.sp-distill-up { color: var(--sp-accent); font-weight: 600; margin-right: 8px; }
.sp-distill-post-title {
  font-size: 13px;
  color: var(--sp-slate-2);
  line-height: 1.35;
  font-weight: 500;
}
.sp-distill-arrow {
  font-size: 34px;
  color: var(--sp-accent);
  font-weight: 300;
  flex-shrink: 0;
}
.sp-distill-doc {
  flex-shrink: 0;
  width: 180px;
  padding: 16px;
  background: #fff;
  color: var(--sp-ink);
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 6px 12px rgba(255,107,53,0.2);
  transform: rotate(2deg);
}
.sp-distill-doc-title {
  font-family: var(--sp-font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--sp-accent);
  margin-bottom: 12px;
}
.sp-distill-doc-line {
  height: 5px;
  background: var(--sp-slate-2);
  border-radius: 3px;
  margin-bottom: 7px;
}
.sp-distill-doc-line-short { width: 60%; }
.sp-distill-doc-line-medium { width: 80%; }

/* =============================================================
   PRODUCTS GRID
   ============================================================= */
.sp-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.sp-product-card {
  background: #fff;
  border: 1px solid var(--sp-slate-2);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 200ms ease;
}
.sp-product-card:hover {
  transform: translateY(-3px);
  border-color: var(--sp-accent-tint);
  box-shadow: 0 2px 8px rgba(15,23,42,0.04), 0 20px 40px rgba(15,23,42,0.08);
}
.sp-product-card-featured {
  grid-column: span 2;
}
.sp-product-card-soon {
  opacity: 0.84;
}
.sp-product-card-soon:hover {
  opacity: 1;
}

.sp-product-cover {
  position: relative;
  aspect-ratio: 16/7;
  padding: 28px 28px 22px;
  color: #fff;
  display: flex;
  align-items: flex-end;
}
.sp-product-card-featured .sp-product-cover {
  aspect-ratio: 21/8;
}
.sp-product-cover-inner {
  width: 100%;
  position: relative;
  z-index: 2;
}
.sp-product-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent 0,
      transparent 12px,
      rgba(255,255,255,0.04) 12px,
      rgba(255,255,255,0.04) 13px
    );
  opacity: 0.7;
  z-index: 1;
}
.sp-product-badge {
  display: inline-block;
  font-family: var(--sp-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.sp-product-badge-featured {
  background: rgba(255,255,255,0.25);
  color: #fff;
  backdrop-filter: blur(6px);
}
.sp-product-badge-soon {
  background: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.92);
}
.sp-product-cover-title {
  font-family: var(--sp-font-display);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.sp-product-card-featured .sp-product-cover-title { font-size: 32px; }
.sp-product-cover-meta {
  margin-top: 8px;
  font-family: var(--sp-font-mono);
  font-size: 12px;
  color: rgba(255,255,255,0.85);
}

.sp-product-body {
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}
.sp-product-tagline {
  font-family: var(--sp-font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--sp-ink);
  letter-spacing: -0.01em;
}
.sp-product-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sp-product-features li {
  padding-left: 22px;
  position: relative;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--sp-slate-6);
}
.sp-product-features li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--sp-accent);
  font-weight: 700;
}

.sp-product-footer {
  border-top: 1px solid var(--sp-slate-2);
  padding-top: 18px;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.sp-product-price {
  font-family: var(--sp-font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sp-ink);
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}
.sp-product-price-meta {
  font-family: var(--sp-font-body);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--sp-slate-5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sp-product-cta-row {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sp-empty-state {
  padding: 48px;
  text-align: center;
  border: 2px dashed var(--sp-slate-2);
  border-radius: 12px;
  color: var(--sp-slate-5);
}

/* =============================================================
   RESEARCH IN PROGRESS
   ============================================================= */
.sp-research-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.sp-research-item {
  background: #fff;
  border: 1px solid var(--sp-slate-2);
  border-radius: 12px;
  padding: 22px 24px;
  transition: all 140ms ease;
}
.sp-research-item:hover {
  border-color: var(--sp-slate-3);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15,23,42,0.04);
}
.sp-research-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 10px;
}
.sp-research-status {
  font-family: var(--sp-font-mono);
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.sp-research-eta {
  font-family: var(--sp-font-mono);
  font-size: 11.5px;
  color: var(--sp-slate-5);
}
.sp-research-title {
  font-family: var(--sp-font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--sp-ink);
  margin: 0 0 12px;
}
.sp-research-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.sp-research-cta {
  margin-top: 36px;
  padding: 22px 26px;
  background: #fff;
  border: 1px dashed var(--sp-slate-3);
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.sp-muted { color: var(--sp-slate-5); font-size: 14px; }

/* =============================================================
   PRINCIPLES
   ============================================================= */
.sp-principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 48px;
}
.sp-principle {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sp-principle-h {
  font-family: var(--sp-font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--sp-ink);
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--sp-accent);
  line-height: 1.3;
}
.sp-principle p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--sp-slate-6);
  margin: 0;
  padding-left: 17px;
}

/* =============================================================
   FOOTER CTA
   ============================================================= */
.sp-footer-cta {
  background: linear-gradient(135deg, var(--sp-ink) 0%, var(--sp-ink-2) 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.sp-footer-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 800px 400px at center 20%, rgba(255,107,53,0.15), transparent 60%);
  pointer-events: none;
}
.sp-footer-cta-inner {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 var(--sp-gutter);
}
.sp-footer-cta-title {
  font-family: var(--sp-font-display);
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0 0 16px;
}
.sp-footer-cta-sub {
  font-size: 18px;
  color: var(--sp-slate-3);
  margin: 0 0 36px;
}
.sp-footer-cta-row {
  display: inline-flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.sp-footer-cta .sp-btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}
.sp-footer-cta .sp-btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.45);
}

/* =============================================================
   SITE FOOTER
   ============================================================= */
.sp-footer {
  background: var(--sp-slate-05);
  padding: 64px 0 32px;
  border-top: 1px solid var(--sp-slate-2);
}
.sp-footer-inner {
  max-width: var(--sp-max);
  margin: 0 auto;
  padding: 0 var(--sp-gutter);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}
.sp-footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sp-footer-tag {
  font-size: 14px;
  color: var(--sp-slate-6);
  margin: 12px 0 0;
  max-width: 280px;
  line-height: 1.5;
}
.sp-footer-col-h {
  font-family: var(--sp-font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sp-slate-5);
  margin-bottom: 6px;
}
.sp-footer-link {
  font-size: 14px;
  color: var(--sp-slate-7);
  transition: color 120ms ease;
}
.sp-footer-link:hover { color: var(--sp-accent); }
.sp-footer-base {
  max-width: var(--sp-max);
  margin: 48px auto 0;
  padding: 24px var(--sp-gutter) 0;
  border-top: 1px solid var(--sp-slate-2);
  font-size: 13px;
  color: var(--sp-slate-5);
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 900px) {
  .sp-section { padding: 72px 0; }
  .sp-section-title { font-size: 32px; }
  .sp-hero { padding: 72px 0 64px; }
  .sp-hero-title { font-size: 48px; }
  .sp-hero-sub { font-size: 17px; }
  .sp-hero-meta { gap: 32px; }
  .sp-hero-meta-num { font-size: 22px; }
  .sp-method-grid { grid-template-columns: 1fr; gap: 16px; }
  .sp-two-col { grid-template-columns: 1fr; gap: 40px; }
  .sp-product-card-featured { grid-column: span 1; }
  .sp-product-card-featured .sp-product-cover-title { font-size: 26px; }
  .sp-research-list { grid-template-columns: 1fr; }
  .sp-principles-grid { grid-template-columns: 1fr; gap: 28px; }
  .sp-footer-cta { padding: 72px 0; }
  .sp-footer-cta-title { font-size: 32px; }
  .sp-footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .sp-two-col-text .sp-section-title { font-size: 30px; }
  .sp-distill-viz { flex-direction: column; gap: 16px; }
  .sp-distill-arrow { transform: rotate(90deg); }
  .sp-distill-doc { transform: none; width: 100%; max-width: 240px; }
}
@media (max-width: 520px) {
  .sp-hero-title { font-size: 36px; }
  .sp-hero-meta-item { flex: 1 1 40%; }
  .sp-footer-inner { grid-template-columns: 1fr; }
  .sp-product-footer { flex-direction: column; align-items: flex-start; }
}

/* =============================================================
   PRODUCT BROWSE + PRODUCT DETAIL PAGES
   ============================================================= */
.sp-page-header {
  background: linear-gradient(180deg, #FFFBF8 0%, #FFFFFF 100%);
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--sp-slate-2);
}
.sp-breadcrumb {
  font-family: var(--sp-font-mono);
  font-size: 12.5px;
  color: var(--sp-slate-5);
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.sp-breadcrumb a {
  color: var(--sp-slate-6);
  transition: color 120ms ease;
}
.sp-breadcrumb a:hover { color: var(--sp-accent); }
.sp-breadcrumb span:not(:first-child):not(:last-child) { color: var(--sp-slate-3); }

.sp-page-title {
  font-family: var(--sp-font-display);
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--sp-ink);
  margin: 0 0 14px;
  line-height: 1.05;
}
.sp-page-lede {
  font-size: 17px;
  color: var(--sp-slate-6);
  max-width: 680px;
  line-height: 1.55;
  margin: 0;
}

.sp-category-title {
  font-family: var(--sp-font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--sp-ink);
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--sp-slate-2);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sp-category-title::before {
  content: "";
  width: 6px;
  height: 18px;
  background: var(--sp-accent);
  border-radius: 2px;
}

/* ---- Product detail hero ---- */
.sp-product-hero {
  padding: 56px 0 72px;
  background: linear-gradient(180deg, #FFFBF8 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--sp-slate-2);
}
.sp-product-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
.sp-product-hero-badge {
  display: inline-block;
  font-family: var(--sp-font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--sp-accent-ink);
  background: var(--sp-accent-soft);
  border: 1px solid var(--sp-accent-tint);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.sp-product-hero-title {
  font-family: var(--sp-font-display);
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: var(--sp-ink);
  margin: 0 0 16px;
}
.sp-product-hero-tagline {
  font-size: 19px;
  color: var(--sp-slate-6);
  line-height: 1.5;
  margin: 0 0 32px;
}
.sp-product-hero-ctas {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.sp-product-hero-price {
  font-family: var(--sp-font-display);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sp-ink);
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}
.sp-product-hero-price span {
  font-family: var(--sp-font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--sp-slate-5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sp-product-hero-soon-note {
  padding: 16px 20px;
  background: var(--sp-slate-05);
  border: 1px solid var(--sp-slate-2);
  border-radius: 10px;
  font-size: 14.5px;
  color: var(--sp-slate-6);
  line-height: 1.55;
}
.sp-product-hero-soon-note a { color: var(--sp-accent); font-weight: 600; }
.sp-product-hero-cover {
  aspect-ratio: 4/3;
  border-radius: 16px;
  padding: 36px 32px 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  box-shadow: 0 8px 32px rgba(15,23,42,0.08), 0 2px 8px rgba(15,23,42,0.04);
}
.sp-product-hero-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent 0,
      transparent 16px,
      rgba(255,255,255,0.06) 16px,
      rgba(255,255,255,0.06) 17px
    );
  z-index: 1;
}
.sp-product-hero-cover .sp-product-cover-inner {
  position: relative;
  z-index: 2;
  width: 100%;
}
.sp-product-hero-cover .sp-product-cover-title {
  font-size: 36px;
  line-height: 1.05;
}
.sp-product-hero-cover .sp-product-cover-meta {
  margin-top: 10px;
}

/* ---- Specs strip ---- */
.sp-specs-strip {
  background: var(--sp-ink);
  color: #fff;
  padding: 40px 0;
}
.sp-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
}
.sp-spec {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 12px;
  border-left: 1px solid rgba(255,255,255,0.1);
}
.sp-spec:first-child { border-left: 0; padding-left: 0; }
.sp-spec-num {
  font-family: var(--sp-font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1;
}
.sp-spec-num-small {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
}
.sp-spec-label {
  font-size: 12.5px;
  color: var(--sp-slate-4);
  line-height: 1.4;
  margin-top: 4px;
}

/* ---- Two-column description + aside ---- */
.sp-product-two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}
.sp-product-desc .sp-h2 {
  font-family: var(--sp-font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sp-ink);
  margin: 0 0 20px;
}
.sp-product-desc p {
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--sp-slate-7);
  margin: 0 0 18px;
}

.sp-product-aside {
  background: #fff;
  border: 1px solid var(--sp-slate-2);
  border-radius: 14px;
  padding: 26px 26px 30px;
  position: sticky;
  top: 88px;
  box-shadow: 0 2px 6px rgba(15,23,42,0.03);
}
.sp-aside-h {
  font-family: var(--sp-font-display);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sp-slate-5);
  margin: 0 0 18px;
}
.sp-aside-list {
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.sp-aside-list li {
  padding-left: 22px;
  position: relative;
  font-size: 14px;
  line-height: 1.5;
  color: var(--sp-slate-7);
}
.sp-aside-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--sp-accent);
  font-weight: 700;
}

.sp-aside-buy {
  border-top: 1px solid var(--sp-slate-2);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sp-aside-price {
  font-family: var(--sp-font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sp-ink);
  line-height: 1;
}
.sp-aside-price span {
  font-family: var(--sp-font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--sp-slate-5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-top: 4px;
}
.sp-aside-refund {
  font-size: 12px;
  color: var(--sp-slate-5);
  text-align: center;
  line-height: 1.4;
}

/* ---- Research section on product detail ---- */
.sp-research-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.sp-research-stat {
  background: #fff;
  padding: 28px;
  border-radius: 12px;
  border: 1px solid var(--sp-slate-2);
}
.sp-research-stat-num {
  font-family: var(--sp-font-display);
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--sp-accent);
  line-height: 1;
  margin-bottom: 10px;
}
.sp-research-stat-label {
  font-size: 14px;
  color: var(--sp-slate-6);
  line-height: 1.5;
}
.sp-research-subs {
  background: #fff;
  padding: 24px 28px;
  border-radius: 12px;
  border: 1px solid var(--sp-slate-2);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.sp-research-subs-label {
  font-family: var(--sp-font-display);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sp-slate-6);
}
.sp-research-subs-list {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  flex: 1;
}

@media (max-width: 900px) {
  .sp-page-title { font-size: 36px; }
  .sp-product-hero { padding: 40px 0 56px; }
  .sp-product-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .sp-product-hero-title { font-size: 36px; }
  .sp-product-hero-cover { aspect-ratio: 3/2; max-width: 500px; }
  .sp-product-hero-cover .sp-product-cover-title { font-size: 28px; }
  .sp-product-two-col { grid-template-columns: 1fr; gap: 32px; }
  .sp-product-aside { position: static; }
  .sp-specs-grid { grid-template-columns: repeat(2, 1fr); }
  .sp-spec { border-left: 0; padding: 14px 0; border-top: 1px solid rgba(255,255,255,0.1); }
  .sp-spec:nth-child(-n+2) { border-top: 0; }
}

/* =============================================================
   "WHAT'S INSIDE" PREVIEW CARDS
   ============================================================= */
.sp-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.sp-preview-card {
  padding: 26px 24px 22px;
  background: #fff;
  border: 1px solid var(--sp-slate-2);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 160ms ease;
}
.sp-preview-card:hover {
  border-color: var(--sp-accent-tint);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15,23,42,0.04), 0 12px 28px rgba(255,107,53,0.06);
}
.sp-preview-kind {
  font-family: var(--sp-font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sp-accent);
  margin-bottom: 4px;
}
.sp-preview-title {
  font-family: var(--sp-font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--sp-ink);
  margin: 0;
  line-height: 1.3;
}
.sp-preview-desc {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--sp-slate-6);
  margin: 0;
}
.sp-preview-sample {
  margin-top: 6px;
  padding: 10px 12px;
  background: var(--sp-slate-05);
  border: 1px dashed var(--sp-slate-3);
  border-radius: 6px;
  font-family: var(--sp-font-mono);
  font-size: 12px;
  color: var(--sp-slate-7);
  line-height: 1.5;
  white-space: pre-wrap;
}

/* =============================================================
   METHODOLOGY NARRATIVE
   ============================================================= */
.sp-method-narrative {
  max-width: 760px;
  margin: 0 auto;
}
.sp-method-narrative-body p {
  font-family: var(--sp-font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--sp-slate-7);
  margin: 0 0 18px;
}
.sp-method-narrative-body p:first-child::first-letter {
  font-family: var(--sp-font-editorial);
  font-size: 56px;
  font-weight: 700;
  float: left;
  line-height: 0.9;
  margin: 6px 12px 0 0;
  color: var(--sp-accent);
}

/* =============================================================
   FAQ ACCORDION
   ============================================================= */
.sp-faq-section { max-width: 820px; }
.sp-faq-list {
  border-top: 1px solid var(--sp-slate-2);
}
.sp-faq-item {
  border-bottom: 1px solid var(--sp-slate-2);
}
.sp-faq-q {
  width: 100%;
  background: transparent;
  border: 0;
  text-align: left;
  padding: 22px 0;
  font-family: var(--sp-font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--sp-ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  line-height: 1.4;
  transition: color 120ms ease;
}
.sp-faq-q:hover { color: var(--sp-accent); }
.sp-faq-toggle {
  font-family: var(--sp-font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--sp-slate-5);
  transition: transform 200ms ease, color 120ms ease;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}
.sp-faq-open .sp-faq-toggle {
  transform: rotate(45deg);
  color: var(--sp-accent);
}
.sp-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 280ms ease, padding 280ms ease;
}
.sp-faq-open .sp-faq-a {
  max-height: 800px;
  padding: 0 0 22px;
}
.sp-faq-a p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--sp-slate-6);
  margin: 0 0 12px;
  padding-right: 40px;
}
.sp-faq-a p:last-child { margin-bottom: 0; }

/* =============================================================
   SHARE ROW
   ============================================================= */
.sp-share-row {
  background: var(--sp-slate-05);
  padding: 32px 0;
  border-top: 1px solid var(--sp-slate-2);
  border-bottom: 1px solid var(--sp-slate-2);
}
.sp-share-row-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.sp-share-label {
  font-family: var(--sp-font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--sp-slate-7);
}
.sp-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--sp-slate-2);
  border-radius: 8px;
  font-family: var(--sp-font-display);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--sp-slate-7);
  cursor: pointer;
  transition: all 140ms ease;
}
.sp-share-btn:hover {
  border-color: var(--sp-accent);
  color: var(--sp-accent);
  background: var(--sp-accent-soft);
}

/* =============================================================
   PROSE PAGES (about / contact / terms / privacy)
   ============================================================= */
.sp-prose {
  max-width: 760px;
  margin: 0 auto;
}
.sp-prose h2 {
  font-family: var(--sp-font-display);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sp-ink);
  margin: 40px 0 16px;
  line-height: 1.2;
}
.sp-prose h2:first-child { margin-top: 0; }
.sp-prose h3 {
  font-family: var(--sp-font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--sp-ink);
  margin: 24px 0 10px;
}
.sp-prose p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--sp-slate-7);
  margin: 0 0 16px;
}
.sp-prose ul, .sp-prose ol {
  margin: 0 0 16px;
  padding-left: 24px;
  list-style: revert;
}
.sp-prose li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--sp-slate-7);
  margin-bottom: 6px;
}
.sp-prose a {
  color: var(--sp-accent);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: rgba(255, 107, 53, 0.35);
  text-underline-offset: 2px;
}
.sp-prose a:hover {
  text-decoration-color: var(--sp-accent);
}
.sp-prose strong { color: var(--sp-ink); font-weight: 700; }
.sp-newsletter {
  background: var(--sp-ink);
  color: #fff;
  padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.sp-newsletter-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--sp-gutter);
  text-align: center;
}
.sp-newsletter-eyebrow {
  font-family: var(--sp-font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--sp-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.sp-newsletter-title {
  font-family: var(--sp-font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  line-height: 1.15;
}
.sp-newsletter-sub {
  font-size: 16px;
  color: var(--sp-slate-3);
  margin: 0 0 28px;
  max-width: 520px;
  margin-inline: auto;
  line-height: 1.55;
}
.sp-newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.sp-newsletter-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 13px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-radius: 10px;
  font-family: var(--sp-font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 140ms ease, background 140ms ease;
}
.sp-newsletter-form input[type="email"]:focus {
  border-color: var(--sp-accent);
  background: rgba(255,255,255,0.1);
}
.sp-newsletter-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.4);
}
.sp-newsletter-status {
  font-size: 13.5px;
  margin-top: 14px;
  min-height: 20px;
  color: var(--sp-slate-3);
}
.sp-newsletter-status-ok { color: #6EE7B7; }
.sp-newsletter-status-err { color: #FCA5A5; }
.sp-newsletter-meta {
  font-size: 12px;
  color: var(--sp-slate-4);
  margin-top: 16px;
}