/* ═══ GBP KATEGORIEN GUIDE — Page-Specific Styles ═══ */
/* Builds on top of styles.css; uses ratgeber visual language (Newsreader serif, editorial feel). */

/* ─── 0. PAGE CUSTOM PROPERTIES ─── */
.page-gbp-kategorien {
  --accent-teal: #0d6a8e;
  --accent-teal-light: rgba(13, 106, 142, 0.10);
  --guide-bg: #f5f8fa;
  --guide-surface: rgba(245, 248, 250, 0.97);
  --guide-border: rgba(10, 28, 38, 0.07);
}


/* ─── 1. HERO ─── */
.gk-hero {
  position: relative;
  padding: 58px 0 72px;
  overflow: hidden;
  background:
    radial-gradient(700px 420px at 12% 30%, rgba(13, 106, 142, 0.06), transparent 60%),
    radial-gradient(550px 350px at 88% 10%, rgba(7, 42, 60, 0.04), transparent 55%),
    linear-gradient(180deg, var(--guide-bg), #f6f7f8);
}

/* Signature accent bar at the top */
.gk-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--brand-700) 20%, var(--brand-500) 80%, transparent);
  z-index: 2;
}

/* Signature watermark — large grid icon/letter */
.gk-hero::after {
  content: "⊞";
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(260px, 30vw, 440px);
  font-weight: 700;
  color: rgba(13, 106, 142, 0.045);
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}

.gk-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 740px;
}

/* Hero entrance cascade */
.gk-hero-inner > * {
  opacity: 0;
  transform: translateY(22px);
  animation: gk-entrance 700ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}
.gk-hero-inner > :nth-child(1) { animation-delay: 80ms; }
.gk-hero-inner > :nth-child(2) { animation-delay: 180ms; }
.gk-hero-inner > :nth-child(3) { animation-delay: 280ms; }
.gk-hero-inner > :nth-child(4) { animation-delay: 380ms; }
.gk-hero-inner > :nth-child(5) { animation-delay: 480ms; }
.gk-hero-inner > :nth-child(6) { animation-delay: 580ms; }
.gk-hero-inner > :nth-child(7) { animation-delay: 680ms; }

@keyframes gk-entrance {
  to { opacity: 1; transform: translateY(0); }
}


/* ─── 1a. BREADCRUMB ─── */
.gk-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--muted);
}
.gk-breadcrumb a {
  text-decoration: none;
  color: var(--muted);
  transition: color 180ms ease;
}
.gk-breadcrumb a:hover { color: var(--brand-700); }
.gk-breadcrumb svg {
  color: rgba(21, 39, 52, 0.28);
  flex-shrink: 0;
}
.gk-breadcrumb [aria-current] {
  color: var(--text);
  font-weight: 600;
}


/* ─── 1b. HERO CONTENT ─── */
.gk-hero-title {
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(36px, 4.8vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.035em;
  margin: 0 0 22px;
}
.gk-hero-title em {
  font-style: italic;
  color: var(--brand-600);
}

.gk-hero-lead {
  font-size: 17.5px;
  line-height: 1.72;
  color: var(--muted);
  max-width: 600px;
  margin: 0 0 12px;
}

.gk-hero-note {
  font-size: 14px;
  line-height: 1.62;
  color: rgba(8, 26, 36, 0.56);
  margin: 0 0 28px;
  max-width: 540px;
}

.gk-hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.gk-hero-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.gk-meta-item {
  font-size: 13.5px;
  color: var(--muted);
  letter-spacing: 0.01em;
}
.gk-meta-item strong {
  color: var(--brand-800);
  font-weight: 800;
  font-size: 15px;
}
.gk-meta-divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(21, 39, 52, 0.16);
  flex-shrink: 0;
}


/* ─── 2. PRINCIPLE BANNER ─── */
.gk-principle {
  padding: 48px 0;
  background: linear-gradient(180deg, #f6f7f8, var(--guide-bg));
  border-top: 1px solid var(--guide-border);
}

.gk-principle-inner {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  max-width: 780px;
  padding: 28px 30px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(13, 106, 142, 0.04), rgba(245, 248, 250, 0.92));
  border: 1px solid rgba(13, 106, 142, 0.12);
  box-shadow: 0 8px 28px rgba(11, 28, 39, 0.04);
}

.gk-principle-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-800), var(--brand-600));
  color: white;
  box-shadow: 0 6px 16px rgba(10, 52, 69, 0.22);
}

.gk-principle-label {
  font-family: "Newsreader", Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--brand-600);
  margin-bottom: 6px;
}

.gk-principle-text {
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--text);
  margin: 0;
}
.gk-principle-text strong {
  font-weight: 800;
}


/* ─── 3. SECTION COMMON ─── */
.gk-section-label {
  font-family: "Newsreader", Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--brand-600);
  margin: 0 0 14px;
}

.gk-section-title {
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.10;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

.gk-section-desc {
  font-size: 15.5px;
  line-height: 1.68;
  color: var(--muted);
  max-width: 560px;
  margin: 0;
}


/* ─── 4. CHECKLIST SECTION ─── */
.gk-checklist-section {
  padding: 80px 0;
  background: var(--guide-bg);
}

.gk-checklist {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  display: grid;
  gap: 12px;
  max-width: 780px;
  counter-reset: gk-step;
}

.gk-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 22px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(245, 248, 250, 0.88));
  border: 1px solid var(--guide-border);
  box-shadow: 0 4px 14px rgba(11, 28, 39, 0.03);
  transition: transform 280ms ease, box-shadow 280ms ease, border-color 280ms ease;
  counter-increment: gk-step;
  position: relative;
  overflow: hidden;
}

.gk-checklist li:hover {
  box-shadow: 0 8px 24px rgba(11, 28, 39, 0.06);
  border-color: rgba(13, 106, 142, 0.18);
}

/* Signature motif: ghost step numbers */
.gk-checklist li::after {
  content: counter(gk-step);
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Newsreader", Georgia, serif;
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  color: rgba(13, 106, 142, 0.06);
  pointer-events: none;
}

.gk-check-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand-800), var(--brand-600));
  color: white;
  font-size: 12px;
  box-shadow: 0 4px 10px rgba(10, 52, 69, 0.18);
  margin-top: 1px;
}

.gk-check-text {
  font-size: 15px;
  line-height: 1.60;
  color: rgba(8, 26, 36, 0.82);
  padding-right: 48px;
}

.gk-check-text strong {
  color: var(--text);
}


/* ─── 5. STRATEGY SECTION (two cards side by side) ─── */
.gk-strategy-section {
  padding: 80px 0;
  background:
    radial-gradient(600px 350px at 50% 0%, rgba(13, 106, 142, 0.035), transparent 60%),
    #f6f7f8;
  border-top: 1px solid var(--guide-border);
}

.gk-strategy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 44px;
}

.gk-strategy-card {
  padding: 30px 28px 26px;
  border-radius: 22px;
  border: 1px solid var(--guide-border);
  box-shadow: 0 8px 24px rgba(11, 28, 39, 0.04);
  position: relative;
  overflow: hidden;
  transition: transform 320ms ease, box-shadow 320ms ease, border-color 320ms ease;
}

.gk-strategy-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 22px 22px 0 0;
}

.gk-card-primary {
  background: linear-gradient(180deg, rgba(245, 248, 250, 0.97), rgba(239, 245, 249, 0.80));
}
.gk-card-primary::before {
  background: linear-gradient(90deg, var(--brand-800), var(--brand-500));
}

.gk-card-secondary {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(245, 248, 250, 0.80));
}
.gk-card-secondary::before {
  background: linear-gradient(90deg, rgba(13, 106, 142, 0.5), rgba(13, 106, 142, 0.25));
}

.gk-card-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.gk-card-badge {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 18px;
  background: linear-gradient(135deg, var(--brand-800), var(--brand-600));
  box-shadow: 0 4px 12px rgba(10, 52, 69, 0.20);
}

.gk-card-heading h2 {
  font-family: "Newsreader", Georgia, serif;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.2;
}

.gk-strategy-card p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 14px;
}

.gk-strategy-card .bullets {
  margin: 0;
  padding-left: 18px;
}

.gk-strategy-card .bullets li {
  font-size: 14.5px;
  line-height: 1.58;
  color: rgba(8, 26, 36, 0.78);
  margin: 7px 0;
}

.gk-strategy-tip {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(13, 106, 142, 0.04);
  border: 1px solid rgba(13, 106, 142, 0.10);
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(8, 26, 36, 0.72);
}


/* ─── 6. MISTAKES SECTION (dark contrast) ─── */
.gk-mistakes-section {
  padding: 80px 0;
  background:
    radial-gradient(700px 400px at 30% 60%, rgba(7, 42, 60, 0.12), transparent 60%),
    linear-gradient(160deg, rgba(4, 26, 39, 0.97), rgba(8, 52, 73, 0.92));
  color: rgba(255, 255, 255, 0.92);
  position: relative;
  overflow: hidden;
}

/* Diagonal cut at top for visual break */
.gk-mistakes-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: #f6f7f8;
  clip-path: polygon(0 0, 100% 0, 100% 20%, 0 100%);
  z-index: 1;
}

.gk-mistakes-section .gk-section-label {
  color: rgba(136, 206, 217, 0.72);
}

.gk-mistakes-section .gk-section-title {
  color: rgba(255, 255, 255, 0.96);
}

.gk-mistakes-section .gk-section-desc {
  color: rgba(255, 255, 255, 0.68);
}

.gk-mistakes-inner {
  position: relative;
  z-index: 2;
  padding-top: 28px;
}

.gk-mistakes-grid {
  display: grid;
  gap: 14px;
  margin-top: 40px;
  max-width: 780px;
}

.gk-mistake-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  transition: transform 280ms ease, background 280ms ease, border-color 280ms ease;
}

.gk-mistake-item:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(200, 90, 58, 0.25);
}

.gk-mistake-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(200, 90, 58, 0.85), rgba(224, 128, 96, 0.85));
  color: white;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(200, 90, 58, 0.25);
  margin-top: 1px;
}

.gk-mistake-text {
  font-size: 15px;
  line-height: 1.60;
  color: rgba(255, 255, 255, 0.82);
}

.gk-mistake-text strong {
  color: rgba(255, 255, 255, 0.96);
  font-weight: 700;
}


/* ─── 7. TIMELINE / RESULTS SECTION ─── */
.gk-timeline-section {
  padding: 80px 0;
  background: var(--guide-bg);
  border-top: 1px solid var(--guide-border);
  position: relative;
}

.gk-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 44px;
}

.gk-content-block {
  padding: 28px 26px 24px 30px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(245, 248, 250, 0.88));
  border: 1px solid var(--guide-border);
  box-shadow: 0 6px 20px rgba(11, 28, 39, 0.04);
  position: relative;
  overflow: hidden;
  transition: transform 320ms ease, box-shadow 320ms ease;
}

.gk-content-block::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: linear-gradient(180deg, var(--brand-700), rgba(13, 106, 142, 0.20));
}

.gk-content-block h2 {
  font-family: "Newsreader", Georgia, serif;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  line-height: 1.2;
}

.gk-content-block > p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 16px;
}

.gk-content-block .bullets {
  margin: 0;
  padding-left: 18px;
}

.gk-content-block .bullets li {
  font-size: 14.5px;
  line-height: 1.58;
  color: rgba(8, 26, 36, 0.78);
  margin: 7px 0;
}

.gk-content-block .gk-inline-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-700);
  text-decoration: none;
  transition: color 180ms ease, transform 180ms ease;
}
.gk-content-block .gk-inline-link:hover {
  color: var(--brand-900);
}
.gk-content-block .gk-inline-link svg {
  transition: transform 180ms ease;
}


/* ─── 8. 7-DAY PLAN SECTION ─── */
.gk-plan-section {
  padding: 80px 0;
  background:
    radial-gradient(600px 350px at 80% 30%, rgba(13, 106, 142, 0.03), transparent 60%),
    #ffffff;
  border-top: 1px solid var(--guide-border);
}

.gk-plan-steps {
  display: grid;
  gap: 0;
  margin-top: 40px;
  max-width: 780px;
  position: relative;
}

/* Vertical connecting line */
.gk-plan-steps::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-600), rgba(13, 106, 142, 0.15));
  border-radius: 1px;
  z-index: 0;
}

.gk-plan-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px 0;
  position: relative;
  z-index: 1;
}

.gk-plan-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: "Newsreader", Georgia, serif;
  font-size: 18px;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--brand-900), var(--brand-700));
  box-shadow: 0 6px 18px rgba(7, 42, 60, 0.22);
  position: relative;
  z-index: 2;
}

.gk-plan-body {
  padding-top: 6px;
}

.gk-plan-body strong {
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.gk-plan-body p {
  font-size: 14.5px;
  line-height: 1.58;
  color: var(--muted);
  margin: 0;
}

.gk-plan-body a {
  color: var(--brand-700);
}


/* ─── 9. EXAMPLES SECTION ─── */
.gk-examples-section {
  padding: 72px 0;
  background: var(--guide-bg);
  border-top: 1px solid var(--guide-border);
}

.gk-examples-card {
  max-width: 780px;
  padding: 30px 28px 26px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(245, 248, 250, 0.88));
  border: 1px solid var(--guide-border);
  box-shadow: 0 8px 24px rgba(11, 28, 39, 0.04);
  margin-top: 36px;
}

.gk-examples-card h2 {
  font-family: "Newsreader", Georgia, serif;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  line-height: 1.2;
}

.gk-examples-card > p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 16px;
}

.gk-examples-card .bullets li {
  font-size: 14.5px;
  line-height: 1.58;
  color: rgba(8, 26, 36, 0.78);
  margin: 7px 0;
}

.gk-examples-takeaway {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(13, 106, 142, 0.04);
  border: 1px solid rgba(13, 106, 142, 0.10);
  font-size: 14px;
  line-height: 1.58;
  color: rgba(8, 26, 36, 0.72);
  font-style: italic;
}


/* ─── 10. NEXT STEPS / CTA ─── */
.gk-nextsteps-section {
  padding: 72px 0;
  background:
    radial-gradient(600px 350px at 50% 0%, rgba(13, 106, 142, 0.035), transparent 60%),
    linear-gradient(180deg, #f6f7f8 50%, rgba(14, 42, 56, 0.06));
  border-top: 1px solid var(--guide-border);
}

.gk-nextsteps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 36px;
}

.gk-nextstep-card {
  display: flex;
  flex-direction: column;
  padding: 24px 24px 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(245, 248, 250, 0.88));
  border: 1px solid var(--guide-border);
  box-shadow: 0 6px 20px rgba(11, 28, 39, 0.04);
  text-decoration: none;
  color: inherit;
  transition: transform 280ms ease, box-shadow 280ms ease, border-color 280ms ease;
}

.gk-nextstep-card:hover {
  box-shadow: 0 12px 32px rgba(11, 28, 39, 0.08);
  border-color: rgba(13, 106, 142, 0.22);
}

.gk-nextstep-card h3 {
  font-family: "Newsreader", Georgia, serif;
  font-size: 19px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.gk-nextstep-card p {
  font-size: 14px;
  line-height: 1.58;
  color: var(--muted);
  margin: 0;
  flex: 1;
}

.gk-nextstep-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-700);
  transition: color 180ms ease, gap 180ms ease;
}

.gk-nextstep-card:hover .gk-nextstep-cta {
  color: var(--brand-900);
}


/* ─── 11. CTA FINAL ─── */
.gk-cta-section {
  padding: 72px 0 80px;
  background:
    radial-gradient(600px 350px at 50% 50%, rgba(7, 42, 60, 0.10), transparent 60%),
    linear-gradient(160deg, rgba(4, 26, 39, 0.97), rgba(8, 52, 73, 0.92));
  color: rgba(255, 255, 255, 0.92);
  position: relative;
  overflow: hidden;
}

.gk-cta-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 48px;
  background: #f6f7f8;
  clip-path: polygon(0 0, 100% 0, 100% 10%, 0 100%);
  z-index: 1;
}

.gk-cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding-top: 16px;
}

.gk-cta-inner .gk-section-label {
  color: rgba(136, 206, 217, 0.72);
}

.gk-cta-inner h2 {
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.96);
}

.gk-cta-inner > p {
  font-size: 16px;
  line-height: 1.68;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 8px;
  max-width: 520px;
}

.gk-cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.gk-cta-actions .btn-primary {
  background: white;
  color: var(--brand-900);
  border-color: rgba(255, 255, 255, 0.20);
  font-weight: 700;
}
.gk-cta-actions .btn-primary:hover {
  background: rgba(255, 255, 255, 0.95);
}

.gk-cta-actions .btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
  border-color: rgba(255, 255, 255, 0.16);
}
.gk-cta-actions .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.28);
}

.gk-cta-note {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.46);
}


/* ─── 12. SCROLL REVEAL ─── */
.gk-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 600ms cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* Staggered children */
.gk-reveal.is-visible .gk-checklist li,
.gk-reveal.is-visible .gk-mistake-item,
.gk-reveal.is-visible .gk-plan-step,
.gk-reveal.is-visible .gk-nextstep-card {
  opacity: 1;
  transform: translateY(0);
}

/* Pre-reveal state for staggered children */
.gk-checklist li,
.gk-mistake-item,
.gk-plan-step,
.gk-nextstep-card {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Stagger delays */
.gk-reveal.is-visible .gk-checklist li:nth-child(1),
.gk-reveal.is-visible .gk-mistake-item:nth-child(1),
.gk-reveal.is-visible .gk-plan-step:nth-child(1),
.gk-reveal.is-visible .gk-nextstep-card:nth-child(1) { transition-delay: 0ms; }

.gk-reveal.is-visible .gk-checklist li:nth-child(2),
.gk-reveal.is-visible .gk-mistake-item:nth-child(2),
.gk-reveal.is-visible .gk-plan-step:nth-child(2),
.gk-reveal.is-visible .gk-nextstep-card:nth-child(2) { transition-delay: 70ms; }

.gk-reveal.is-visible .gk-checklist li:nth-child(3),
.gk-reveal.is-visible .gk-mistake-item:nth-child(3),
.gk-reveal.is-visible .gk-plan-step:nth-child(3) { transition-delay: 140ms; }

.gk-reveal.is-visible .gk-checklist li:nth-child(4),
.gk-reveal.is-visible .gk-mistake-item:nth-child(4),
.gk-reveal.is-visible .gk-plan-step:nth-child(4) { transition-delay: 210ms; }

.gk-reveal.is-visible .gk-checklist li:nth-child(5),
.gk-reveal.is-visible .gk-mistake-item:nth-child(5),
.gk-reveal.is-visible .gk-plan-step:nth-child(5) { transition-delay: 280ms; }

.gk-reveal.is-visible .gk-checklist li:nth-child(6),
.gk-reveal.is-visible .gk-plan-step:nth-child(6) { transition-delay: 350ms; }

.gk-reveal.is-visible .gk-checklist li:nth-child(7),
.gk-reveal.is-visible .gk-plan-step:nth-child(7) { transition-delay: 420ms; }

.gk-reveal.is-visible .gk-checklist li:nth-child(8) { transition-delay: 490ms; }
.gk-reveal.is-visible .gk-checklist li:nth-child(9) { transition-delay: 560ms; }
.gk-reveal.is-visible .gk-checklist li:nth-child(10) { transition-delay: 630ms; }

/* Strategy cards + content blocks stagger */
.gk-strategy-card,
.gk-content-block {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 280ms ease,
              border-color 280ms ease;
}

.gk-reveal.is-visible .gk-strategy-card,
.gk-reveal.is-visible .gk-content-block {
  opacity: 1;
  transform: translateY(0);
}

.gk-reveal.is-visible .gk-strategy-card:nth-child(2),
.gk-reveal.is-visible .gk-content-block:nth-child(2) { transition-delay: 120ms; }

/* Hover transforms: pointer devices only (prevents sticky transforms on touch) */
@media (hover: hover) {
  .gk-checklist li:hover {
    transform: translateX(4px);
  }
  .gk-mistake-item:hover {
    transform: translateX(4px);
  }
  .gk-nextstep-card:hover {
    transform: translateY(-3px);
  }
  .gk-nextstep-card:hover .gk-nextstep-cta {
    gap: 11px;
  }
  .gk-content-block .gk-inline-link:hover {
    transform: translateX(2px);
  }
  .gk-content-block .gk-inline-link:hover svg {
    transform: translateX(3px);
  }
  .gk-cta-actions .btn-primary:hover {
    transform: translateY(-1px);
  }

  /* Hover overrides — sufficient specificity to beat .gk-reveal.is-visible selectors */
  .gk-reveal.is-visible .gk-checklist li:hover {
    transform: translateX(4px);
  }
  .gk-reveal.is-visible .gk-mistake-item:hover {
    transform: translateX(4px);
  }
  .gk-reveal.is-visible .gk-nextstep-card:hover {
    transform: translateY(-3px);
  }
  .gk-reveal.is-visible .gk-strategy-card:hover {
    transform: translateY(-3px);
  }
  .gk-reveal.is-visible .gk-content-block:hover {
    transform: translateY(-2px);
  }
}


/* ─── 13. RESPONSIVE ─── */

@media (max-width: 981px) {
  .gk-strategy-grid,
  .gk-dual-grid,
  .gk-nextsteps-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  main#main { padding-top: 96px; }
}

@media (max-width: 600px) {
  main#main { padding-top: 88px; }

  .gk-hero {
    padding: 44px 0 56px;
  }

  .gk-hero::after {
    font-size: 200px;
    right: -8%;
  }

  .gk-hero-title {
    font-size: clamp(30px, 8vw, 42px);
  }

  .gk-hero-lead {
    font-size: 16px;
  }

  .gk-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .gk-hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .gk-hero-meta {
    gap: 8px 16px;
  }

  .gk-meta-divider {
    display: none;
  }

  .gk-breadcrumb {
    flex-wrap: wrap;
  }

  .gk-principle-inner {
    flex-direction: column;
    gap: 16px;
    padding: 22px 20px;
  }

  .gk-checklist-section,
  .gk-strategy-section,
  .gk-mistakes-section,
  .gk-timeline-section,
  .gk-plan-section,
  .gk-examples-section,
  .gk-nextsteps-section {
    padding: 56px 0;
  }

  .gk-section-title {
    font-size: clamp(24px, 6vw, 32px);
  }

  .gk-checklist li {
    padding: 16px 18px;
  }

  .gk-checklist li::after {
    font-size: 40px;
    right: 12px;
  }

  .gk-check-text {
    padding-right: 36px;
  }

  .gk-strategy-card {
    padding: 24px 20px 22px;
  }

  .gk-mistakes-section::before {
    height: 40px;
  }

  .gk-mistake-item {
    padding: 16px 18px;
    backdrop-filter: none;
  }

  .gk-plan-steps::before {
    left: 19px;
  }

  .gk-plan-num {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .gk-plan-step {
    gap: 16px;
  }

  .gk-content-block {
    padding: 22px 20px 20px 24px;
  }

  .gk-content-block::before {
    top: 14px;
    bottom: 14px;
  }

  .gk-examples-card {
    padding: 24px 20px 22px;
  }

  .gk-cta-section {
    padding: 56px 0 64px;
  }

  .gk-cta-section::before {
    height: 32px;
  }

  .gk-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .gk-cta-actions .btn {
    width: 100%;
    text-align: center;
  }

  .gk-nextstep-card {
    padding: 20px 20px 18px;
  }
}

@media (max-width: 420px) {
  main#main { padding-top: 80px; }

  .gk-hero {
    padding: 36px 0 48px;
  }

  .gk-hero::after {
    display: none;
  }

  .gk-checklist li {
    padding: 14px 16px;
    gap: 12px;
  }

  .gk-check-icon {
    width: 24px;
    height: 24px;
    font-size: 10px;
  }

  .gk-checklist li::after {
    display: none;
  }

  .gk-check-text {
    padding-right: 0;
  }

  .gk-plan-steps::before {
    left: 15px;
  }

  .gk-plan-num {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .gk-plan-step {
    gap: 14px;
    padding: 12px 0;
  }
}

/* ─── 14. REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  .gk-hero-inner > * {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .gk-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .gk-checklist li,
  .gk-mistake-item,
  .gk-plan-step,
  .gk-nextstep-card,
  .gk-strategy-card,
  .gk-content-block {
    opacity: 1;
    transform: none;
    transition: none;
  }
}