/* ============================================================
   Liminal Landing — tokens mirror app/src/theme.css (dark)
   Program and tones blocks reuse the app's exact CSS rules
   from app/src/App.css so artwork is never re-cropped.
   ============================================================ */
:root {
  --bg-page:        #0d1211;
  --bg-panel:       #111918;
  --bg-section:     #1f2d28;
  --bg-card:        #1a2420;
  --border-card:    #2e4038;
  --border-section: #283a32;
  --text-primary:   #edf5ef;
  --text-secondary: #a8bfb2;
  --text-muted:     #6b8c7a;
  --text-dim:       #3e5045;
  --accent:         #52c896;
  --accent-base:    #3e8f72;
  --accent-hover:   #3fb87f;
  --accent-light:   rgba(62, 143, 114, 0.14);
  --accent-glow:    rgba(82, 200, 150, 0.18);
  --shadow-panel:   rgba(0, 0, 0, 0.5);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'DM Serif Display', serif;
  line-height: 1.2;
}

a { color: inherit; text-decoration: none; }

/* ===== NAV ===== */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 18, 17, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--accent-light);
}
.nav-logo { display: inline-flex; align-items: center; }
.nav-logo-img { height: 2rem; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
  background: linear-gradient(90deg, var(--accent-base), var(--accent-hover));
  color: #fff !important;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-weight: 600 !important;
  box-shadow: 0 4px 18px var(--accent-glow);
  transition: filter 0.18s, transform 0.18s, box-shadow 0.18s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 22px var(--accent-glow); filter: brightness(1.12); }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent-base), var(--accent-hover));
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 2rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: filter 0.18s, transform 0.18s, box-shadow 0.18s;
  box-shadow: 0 6px 24px var(--accent-glow);
}
.btn-primary:hover {
  filter: brightness(1.12);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px var(--accent-glow);
}
.btn-ghost {
  display: inline-block;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.6rem;
  border-radius: 10px;
  transition: border-color 0.18s, background 0.18s, filter 0.18s;
}
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-light); filter: brightness(1.06); }
.btn-outline {
  display: inline-block;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.8rem;
  border-radius: 10px;
  width: 100%;
  text-align: center;
  transition: border-color 0.18s, color 0.18s, background 0.18s, filter 0.18s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--text-primary); background: var(--accent-light); filter: brightness(1.06); }

/* ===== HERO ===== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
  padding: 5rem 2rem 4rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(62,143,114,0.22) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(45,122,95,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 30% at 20% 20%, rgba(82,200,150,0.10) 0%, transparent 60%);
  animation: heroGlow 8s ease-in-out infinite alternate;
  z-index: 0;
}
@keyframes heroGlow {
  0%   { opacity: 0.7; transform: scale(1); }
  50%  { opacity: 1;   transform: scale(1.04); }
  100% { opacity: 0.8; transform: scale(1.02); }
}
.hero-content { position: relative; z-index: 1; max-width: 720px; }
.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
}
.hero-headline {
  font-size: clamp(2.8rem, 7vw, 5rem);
  color: var(--text-primary);
  margin-bottom: 1.2rem;
}
.hero-headline em { font-style: italic; }
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-ctas {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.hero-note { color: var(--text-muted); font-size: 0.85rem; }
.hero-visual {
  position: relative;
  z-index: 1;
  margin-top: 2.5rem;
  width: 100%;
  display: flex;
  justify-content: center;
}
.hero-img {
  width: 100%;
  max-width: 900px;
  border-radius: 1.25rem;
  border: 1px solid var(--accent-light);
  box-shadow: 0 40px 80px rgba(0,0,0,0.55), 0 0 0 1px rgba(82,200,150,0.06);
}

/* ===== SOCIAL PROOF ===== */
.proof-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: var(--bg-panel);
  border-top: 1px solid var(--accent-light);
  border-bottom: 1px solid var(--accent-light);
  color: var(--text-muted);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}
.proof-dot { color: var(--accent); }

/* ===== SHARED SECTION TITLES ===== */
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 0.75rem;
}
.section-sub {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1.05rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.section-label {
  text-align: left;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

/* ===== FEATURES ===== */
.features {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.feature-card {
  position: relative;
  border: 1px solid var(--border-card);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}
.feature-image {
  display: block;
  width: 100%;
  height: auto;
}
.feature-card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  padding: 0.75rem 1rem 1rem;
  background: linear-gradient(to top, rgba(5,12,10,0.95) 0%, rgba(5,12,10,0.75) 55%, transparent 100%);
}
.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #f4f8f1;
  margin-bottom: 0.25rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}
.feature-card p {
  color: rgba(232, 239, 228, 0.88);
  font-size: 0.8rem;
  line-height: 1.45;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ===== 7-DAY PROGRAM SHOWCASE
   Below rules are copied from app/src/App.css .seven-day-card* so the
   illustrated cards render at the same shape as inside the app. */
.program-showcase {
  padding: 5rem 2rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(62,143,114,0.10) 0%, transparent 70%),
    var(--bg-page);
}
.program-showcase-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.program-showcase .hero-eyebrow { margin-bottom: 1rem; }

.seven-day-program {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: 2rem;
  text-align: left;
  margin-top: 2rem;
}
.seven-day-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-section);
  border-radius: 1rem;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.seven-day-card--illustrated {
  border-color: rgba(241, 248, 244, 0.16);
  background-color: var(--bg-panel);
  background-image:
    linear-gradient(180deg, rgba(132, 196, 161, 0.06), rgba(75, 126, 102, 0.08)),
    var(--program-day-image);
  background-position: center, center;
  background-size: cover, 110% 110%;
  background-repeat: no-repeat, no-repeat;
}
.seven-day-card--illustrated:hover {
  border-color: rgba(244, 248, 241, 0.78);
  box-shadow: 0 0 0 2px rgba(244, 248, 241, 0.24);
  background-image: var(--program-day-image);
  background-position: center;
  background-size: 110% 110%;
  background-repeat: no-repeat;
}
.seven-day-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.seven-day-card-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.seven-day-card--illustrated .seven-day-card-title {
  color: #f4f8f1;
  text-shadow: 0 1px 2px rgba(5, 12, 10, 0.45);
}
.seven-day-card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.seven-day-card--illustrated .seven-day-card-meta {
  color: rgba(232, 239, 228, 0.88);
  text-shadow: 0 1px 2px rgba(5, 12, 10, 0.35);
}
.seven-day-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.seven-day-card--illustrated .seven-day-card-desc {
  color: rgba(232, 239, 228, 0.88);
  text-shadow: 0 1px 2px rgba(5, 12, 10, 0.35);
}

/* ===== TONES PRESETS
   Rules below match app/src/App.css .solfeggio-grid, .brainwave-grid,
   .freq-preset-btn--illustrated, .beat-preset-btn--illustrated. */
.tones-preview {
  padding: 4rem 2rem 6rem;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.tones-preview-block {
  margin: 1.5rem 0 2.5rem;
}

.solfeggio-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.35rem;
}
.brainwave-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.35rem;
  align-items: stretch; /* equalize button height even when labels wrap */
}

.freq-preset-btn, .beat-preset-btn {
  border: 1px solid var(--border-section);
  border-radius: 8px;
  background: var(--bg-card);
  padding: 0.35rem 0.25rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.freq-preset-btn--illustrated,
.beat-preset-btn--illustrated {
  border-color: rgba(241, 248, 244, 0.16);
  background:
    linear-gradient(180deg, rgba(132, 196, 161, 0.2), rgba(75, 126, 102, 0.24)),
    var(--tone-preset-image) center / 110% 110% no-repeat;
}
.freq-preset-btn--illustrated:hover,
.beat-preset-btn--illustrated:hover {
  background: var(--tone-preset-image) center / 110% 110% no-repeat;
  border-color: rgba(244, 248, 241, 0.78);
  box-shadow: 0 0 0 1px rgba(244, 248, 241, 0.24);
}
.freq-preset-hz {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}
.beat-preset-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
}
.freq-preset-label, .beat-preset-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
}
.freq-preset-btn--illustrated .freq-preset-hz,
.beat-preset-btn--illustrated .beat-preset-name {
  color: #f4f8f1;
  text-shadow: 0 1px 2px rgba(5, 12, 10, 0.4);
}
.freq-preset-btn--illustrated .freq-preset-label,
.beat-preset-btn--illustrated .beat-preset-label {
  color: rgba(232, 239, 228, 0.9);
  text-shadow: 0 1px 2px rgba(5, 12, 10, 0.4);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.step { display: flex; flex-direction: column; align-items: center; gap: 0.75rem; }
.step-num {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-base), var(--accent-hover));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 6px 18px var(--accent-glow);
}
.step h3 { font-size: 1.1rem; margin: 0; color: var(--text-primary); }
.step p { font-size: 0.92rem; color: var(--text-secondary); margin: 0; max-width: 280px; }
@media (max-width: 700px) { .steps { grid-template-columns: 1fr; } }

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}
.testimonial-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-card);
  border-radius: 14px;
  padding: 1.5rem;
  text-align: left;
}
.testimonial-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 1rem;
  font-style: italic;
}
.testimonial-card span {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
}
@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .testimonials-grid { grid-template-columns: 1fr; }
}

/* ===== PRICING ===== */
.pricing {
  padding: 6rem 2rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(82,200,150,0.06) 0%, transparent 70%),
    #0a0f0e;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
  align-items: stretch;
}
.pricing-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.45);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}
.pricing-card--pro {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: linear-gradient(160deg, #1f2d28, #16221d);
}
.pricing-badge {
  display: inline-block;
  align-self: flex-start;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}
.pricing-tier {
  font-family: 'DM Serif Display', serif;
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.pricing-price {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}
.price-period {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}
.pricing-save {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 600;
}
.pricing-features {
  list-style: none;
  margin: 1.2rem 0 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.pricing-features li {
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.pricing-features li.dim { color: var(--text-dim); }
.pricing-card .btn-primary,
.pricing-card .btn-outline {
  width: 100%;
  text-align: center;
}

/* ===== FINAL CTA ===== */
.final-cta {
  padding: 5rem 2rem;
  text-align: center;
}
.final-cta-inner {
  max-width: 640px;
  margin: 0 auto;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(82,200,150,0.12) 0%, transparent 70%),
    var(--bg-panel);
  border: 1px solid var(--accent-light);
  border-radius: 18px;
  padding: 3rem 2rem;
}
.final-cta-inner h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}
.final-cta-inner p {
  color: var(--text-secondary);
  margin-bottom: 1.6rem;
}

/* ===== FOOTER ===== */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--accent-light);
  background: var(--bg-page);
}
.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.footer-links a:hover { color: var(--text-primary); }
.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}
.footer-disclaimer {
  color: var(--text-dim);
  font-size: 0.78rem;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 760px) {
  .nav { padding: 1rem 1.2rem; }
  .nav-links { gap: 1rem; }
  .solfeggio-grid { grid-template-columns: repeat(5, 1fr); }
  .brainwave-grid { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 3rem 1.2rem 2rem; }
  .proof-strip { flex-direction: column; gap: 0.3rem; padding: 0.85rem 1rem; }
  .features, .tones-preview, .program-showcase, .pricing, .how-it-works, .testimonials { padding-left: 1.2rem; padding-right: 1.2rem; }
}

/* ===== GUIDES (Tier 2 SEO content pages) ===== */
.guide-breadcrumb {
  max-width: 720px;
  margin: 1.5rem auto 0;
  padding: 0 2rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.guide-breadcrumb a { color: var(--accent); }
.guide-breadcrumb a:hover { color: var(--text-primary); }

.guide-hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 2rem 2.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border-section);
}
.guide-hero .hero-eyebrow { text-align: left; }
.guide-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--text-primary);
  margin: 0.75rem 0 1rem;
}
.guide-hero .guide-dek {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 640px;
}
.guide-meta {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.guide-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 2rem 1rem;
}
.guide-article h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  color: var(--text-primary);
  margin: 2.25rem 0 1rem;
}
.guide-article h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem;
}
.guide-article p {
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
}
.guide-article ul, .guide-article ol {
  color: var(--text-secondary);
  margin: 0 0 1.1rem 1.4rem;
}
.guide-article li { margin-bottom: 0.4rem; }
.guide-article strong { color: var(--text-primary); }
.guide-article a { color: var(--accent); text-decoration: underline; text-decoration-color: var(--accent-light); }
.guide-article a:hover { color: var(--text-primary); }

.guide-cta {
  max-width: 720px;
  margin: 2rem auto 0;
  padding: 1.75rem 2rem;
  background: var(--bg-panel);
  border: 1px solid var(--accent-light);
  border-radius: 14px;
  text-align: center;
}
.guide-cta h3 { margin-bottom: 0.5rem; }
.guide-cta p { color: var(--text-secondary); margin-bottom: 1.25rem; }

.guide-related {
  max-width: 720px;
  margin: 3rem auto 0;
  padding: 0 2rem 1rem;
}
.guide-related h3 { color: var(--text-primary); margin-bottom: 1rem; }
.guide-related ul { list-style: none; margin: 0; }
.guide-related li { margin-bottom: 0.5rem; }
.guide-related a { color: var(--accent); text-decoration: underline; text-decoration-color: var(--accent-light); }
.guide-related a:hover { color: var(--text-primary); }

/* ===== GUIDES HUB ===== */
.guides-hub {
  max-width: 980px;
  margin: 0 auto;
  padding: 2.5rem 2rem 1rem;
}
.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 14px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s, transform 0.18s;
}
.guide-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.guide-card-tag {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.guide-card h3 { color: var(--text-primary); margin-bottom: 0.5rem; font-size: 1.15rem; }
.guide-card p { color: var(--text-secondary); font-size: 0.92rem; margin: 0; }

@media (max-width: 640px) {
  .guide-hero, .guide-article, .guide-cta, .guide-related, .guides-hub { padding-left: 1.2rem; padding-right: 1.2rem; }
}