/* ═══════════════════════════════════════════════════════════════
   LABTORIO — Shared Stylesheet
   Design System: dark/analytical, green + blue accents
   Font: Inter (Google Fonts)
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. VARIABLES ─────────────────────────────────────────────── */
:root {
  --black-deep:  #141414;
  --black:       #1E1E1E;
  --black-card:  #252525;
  --black-mid:   #2E2E2E;

  --green:       #90EE90;
  --green-dim:   rgba(144, 238, 144, 0.10);
  --green-line:  rgba(144, 238, 144, 0.22);

  --blue:        #57C3E7;
  --blue-dim:    rgba(87, 195, 231, 0.10);
  --blue-line:   rgba(87, 195, 231, 0.22);

  --platinum:    #E3E3E3;
  --plat-dim:    rgba(227, 227, 227, 0.55);
  --plat-faint:  rgba(227, 227, 227, 0.28);

  --rule:        rgba(227, 227, 227, 0.07);
  --rule-strong: rgba(227, 227, 227, 0.13);

  --grad:        linear-gradient(90deg, var(--green), var(--blue));
  --grad-135:    linear-gradient(135deg, var(--green), var(--blue));

  --nav-h: 56px;
}

/* ── 2. RESET ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ── 3. BASE ──────────────────────────────────────────────────── */
body {
  background: var(--black);
  color: var(--platinum);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* Dot grid texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(227, 227, 227, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 0;
}

/* Ensure content sits above dot grid */
nav, main, footer, header { position: relative; z-index: 1; }

/* ── 4. NAVIGATION ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(20, 20, 20, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  z-index: 100;
}

.nav-logo {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--platinum);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-logo .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: breathe 2.8s ease-in-out infinite;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--plat-faint);
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--green); }

.nav-cta {
  background: var(--green);
  color: var(--black) !important;
  font-size: 0.68rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase;
  padding: 9px 20px;
  transition: background 0.15s, transform 0.15s !important;
}

.nav-cta:hover {
  background: var(--blue) !important;
  color: var(--black) !important;
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--plat-dim);
  transition: all 0.2s;
}

/* ── 5. LAYOUT ────────────────────────────────────────────────── */
main { padding-top: var(--nav-h); }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px;
}

section { padding: 96px 0; }

.section-inner { /* alias for container inside section */
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ── 6. SECTION LABELS (EYEBROW) ──────────────────────────────── */
.sec-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}

.sec-label::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--green);
  flex-shrink: 0;
}

/* ── 7. HERO ──────────────────────────────────────────────────── */
.hero {
  padding: 120px 0 96px;
  position: relative;
  overflow: hidden;
}

/* Ambient glows — hero only */
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 50%;
  height: 80%;
  background: radial-gradient(circle, rgba(87, 195, 231, 0.055) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 50%;
  height: 80%;
  background: radial-gradient(circle, rgba(144, 238, 144, 0.045) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.04;
  color: var(--platinum);
  margin-bottom: 24px;
  max-width: 820px;
}

.hero h1 .accent { color: var(--green); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--plat-dim);
  max-width: 560px;
  line-height: 1.72;
  margin-bottom: 40px;
}

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

/* Gradient accent bar at hero bottom */
.hero-rule {
  height: 3px;
  background: var(--grad);
  margin-top: 80px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 48px;
}

.hero-rule-inner {
  height: 3px;
  background: var(--grad);
}

/* ── 8. BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 15px 36px;
  border-radius: 0;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--blue);
  color: var(--black);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--platinum);
  border: 1px solid var(--rule-strong);
}

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-2px);
}

/* ── 9. STATS BAR ─────────────────────────────────────────────── */
.stats-bar {
  background: var(--black-deep);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0;
}

.stats-bar-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-strong);
}

.stat-item {
  background: var(--black-deep);
  padding: 32px 36px;
  text-align: center;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--green);
  margin-bottom: 8px;
}

.stat-number.blue { color: var(--blue); }

.stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--plat-faint);
}

/* ── 10. CARDS ────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-strong);
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule-strong);
}

.card {
  background: var(--black-card);
  padding: 32px 26px;
  position: relative;
  overflow: hidden;
  transition: background 0.15s;
}

.card:hover { background: var(--black-mid); }

.card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.card:hover::after { transform: scaleX(1); }

.card-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.card-label.blue { color: var(--blue); }

.card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--platinum);
  margin-bottom: 10px;
  line-height: 1.3;
}

.card-title-lg {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--platinum);
  margin-bottom: 10px;
  line-height: 1.2;
}

.card p {
  font-size: 0.835rem;
  color: var(--plat-dim);
  line-height: 1.72;
}

.card-price {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green);
  text-transform: uppercase;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

/* ── 11. BADGES ───────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
}

.badge-g {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid var(--green-line);
}

.badge-b {
  background: var(--blue-dim);
  color: var(--blue);
  border: 1px solid var(--blue-line);
}

.badge-n {
  background: rgba(255, 255, 255, 0.04);
  color: var(--plat-faint);
  border: 1px solid var(--rule-strong);
}

/* ── 12. CALLOUTS ─────────────────────────────────────────────── */
.callout {
  padding: 18px 22px;
  border: 1px solid var(--blue-line);
  border-left: 3px solid var(--blue);
  background: var(--blue-dim);
  margin: 24px 0;
}

.callout.green {
  border-color: var(--green-line);
  border-left-color: var(--green);
  background: var(--green-dim);
}

.callout p {
  font-size: 0.9rem;
  color: var(--plat-dim);
  line-height: 1.72;
}

/* ── 13. SECTION HEADINGS ─────────────────────────────────────── */
.section-heading {
  margin-bottom: 56px;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.06;
  color: var(--platinum);
  margin-bottom: 16px;
}

.section-heading h2 .accent { color: var(--green); }
.section-heading h2 .accent-blue { color: var(--blue); }

.section-heading p {
  font-size: 1rem;
  color: var(--plat-dim);
  max-width: 560px;
  line-height: 1.72;
}

/* ── 14. RESULTS / CASE STUDY ─────────────────────────────────── */
.result-card {
  background: var(--black-card);
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
}

.result-numbers {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.result-from {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--plat-faint);
}

.result-arrow {
  font-size: 1rem;
  color: var(--plat-faint);
}

.result-to {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--green);
}

.result-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--plat-faint);
  margin-top: 4px;
}

.result-client {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--plat-faint);
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}

/* ── 15. CTA BLOCK ────────────────────────────────────────────── */
.cta-block {
  background: var(--black-deep);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}

.cta-block::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad);
}

.cta-block-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px;
  text-align: center;
}

.cta-block h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--platinum);
  margin-bottom: 16px;
}

.cta-block p {
  font-size: 1rem;
  color: var(--plat-dim);
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.72;
}

/* ── 16. BLOG CARDS ───────────────────────────────────────────── */
.blog-card {
  background: var(--black-card);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: background 0.15s;
  display: flex;
  flex-direction: column;
}

.blog-card:hover { background: var(--black-mid); }

.blog-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.blog-card:hover::after { transform: scaleX(1); }

.blog-card-meta {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--plat-faint);
  margin-bottom: 12px;
}

.blog-card h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--platinum);
  line-height: 1.4;
  margin-bottom: 10px;
}

.blog-card p {
  font-size: 0.835rem;
  color: var(--plat-dim);
  line-height: 1.72;
  flex: 1;
}

.blog-card-link {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.15s;
}

.blog-card:hover .blog-card-link { gap: 10px; }

/* ── 17. BLOG POST (ARTICLE) ──────────────────────────────────── */
.article-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--rule);
}

.article-hero .container { max-width: 800px; }

.article-meta {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--plat-faint);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.article-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--platinum);
  margin-bottom: 20px;
}

.article-hero .article-intro {
  font-size: 1.05rem;
  color: var(--plat-dim);
  max-width: 660px;
  line-height: 1.78;
}

.article-body {
  padding: 64px 0 96px;
}

.article-body .container { max-width: 800px; }

.article-body h2 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--platinum);
  margin: 48px 0 16px;
  line-height: 1.2;
}

.article-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--platinum);
  margin: 32px 0 12px;
}

.article-body p {
  font-size: 0.95rem;
  color: var(--plat-dim);
  line-height: 1.82;
  margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-body li {
  font-size: 0.95rem;
  color: var(--plat-dim);
  line-height: 1.78;
  margin-bottom: 8px;
}

.article-body strong {
  color: var(--platinum);
  font-weight: 700;
}

.article-body a {
  color: var(--green);
  border-bottom: 1px solid var(--green-line);
  transition: border-color 0.15s;
}

.article-body a:hover { border-color: var(--green); }

.article-body hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 40px 0;
}

/* ── 18. FORM ─────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--plat-faint);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--black-deep);
  border: 1px solid var(--rule-strong);
  color: var(--platinum);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  padding: 14px 16px;
  border-radius: 0;
  transition: border-color 0.15s;
  outline: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--green);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.65;
}

.form-select option { background: var(--black-deep); }

/* ── 19. DIVIDER ──────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--rule);
  margin: 0;
}

.accent-bar {
  height: 3px;
  background: var(--grad);
}

/* ── 20. GRADIENT TEXT ────────────────────────────────────────── */
.gradient-text {
  background: var(--grad-135);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── 21. FOOTER ───────────────────────────────────────────────── */
.footer {
  background: var(--black-deep);
  border-top: 1px solid var(--rule);
  padding: 64px 0 40px;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 48px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 32px;
}

.footer-brand .nav-logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.835rem;
  color: var(--plat-faint);
  line-height: 1.72;
}

.footer-col-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--plat-faint);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.835rem;
  color: var(--plat-dim);
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--green); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.72rem;
  color: var(--plat-faint);
}

.footer-legal {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-legal a {
  font-size: 0.72rem;
  color: var(--plat-faint);
  transition: color 0.15s;
}

.footer-legal a:hover { color: var(--plat-dim); }

/* ── 22. ANIMATIONS ───────────────────────────────────────────── */
@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(144, 238, 144, 0.5); }
  50%       { box-shadow: 0 0 0 7px rgba(144, 238, 144, 0); }
}

/* Scroll-triggered fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 23. UTILITIES ────────────────────────────────────────────── */
.text-green { color: var(--green); }
.text-blue  { color: var(--blue); }
.text-dim   { color: var(--plat-dim); }
.text-faint { color: var(--plat-faint); }

/* Service page feature list */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0;
}

.feature-list li {
  font-size: 0.9rem;
  color: var(--plat-dim);
  line-height: 1.65;
  padding-left: 20px;
  position: relative;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--green);
}

/* Page header (non-hero pages like blog index, contact) */
.page-header {
  padding: 72px 0 64px;
  border-bottom: 1px solid var(--rule);
}

/* ── 24. GRID LAYOUT CLASSES ──────────────────────────────────── */

/* Two-column content grid (collapses to 1 on mobile) */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* Two-column narrow gap (for smaller cards) */
.grid-2-tight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule-strong);
}

/* Blog post 3-column grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--rule-strong);
}

/* Nav mobile CTA — hidden on desktop, shown on mobile */
.nav-cta-mobile {
  display: none;
}

/* ── 25. RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 820px) {

  /* Nav */
  .nav { padding: 0 20px; gap: 12px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(20, 20, 20, 0.98);
    padding: 24px 20px;
    gap: 20px;
    border-bottom: 1px solid var(--rule);
    z-index: 99;
  }
  .nav-links.open li { list-style: none; }
  .nav-links.open a { font-size: 0.82rem; color: var(--plat-dim); }
  .nav-links.open .nav-cta {
    display: none; /* hide in-menu CTA — use the standalone one */
  }

  /* Mobile standalone CTA button (always visible) */
  .nav-cta-mobile {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--green);
    color: var(--black);
    padding: 8px 14px;
    white-space: nowrap;
  }

  .nav-toggle { display: flex; }

  /* Layout padding */
  .container,
  .section-inner,
  .hero-inner,
  .footer-inner,
  .cta-block-inner { padding: 0 20px; }

  section { padding: 56px 0; }
  .hero { padding: 64px 0 48px; }
  .page-header { padding: 56px 0 48px; }
  .cta-block { padding: 64px 0; }

  /* Hero */
  .hero h1 { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-sub { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hero-actions .btn { width: 100%; text-align: center; }

  /* Hero rule */
  .hero > div:last-child { padding: 0 20px; margin-top: 48px; }

  /* CSS grid classes → single column */
  .grid-2,
  .grid-2-tight { grid-template-columns: 1fr; gap: 24px; background: transparent; }

  /* Named card grids → single column */
  .card-grid,
  .card-grid-2 { grid-template-columns: 1fr; }

  /* Stats bar → single column */
  .stats-bar-inner { grid-template-columns: 1fr; gap: 1px; }
  .stat-item { padding: 24px 20px; }
  .stat-number { font-size: 1.8rem; }

  /* Blog grid → single column */
  .blog-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer { padding: 48px 0 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }

  /* Section headings */
  .section-heading { margin-bottom: 36px; }
  .section-heading h2 { font-size: clamp(1.5rem, 6vw, 2rem); }

  /* Result cards */
  .result-numbers { flex-wrap: wrap; gap: 8px; }
  .result-from { font-size: 1.3rem; }
  .result-to { font-size: 1.8rem; }

  /* CTA block text */
  .cta-block h2 { font-size: clamp(1.5rem, 6vw, 2rem); }

  /* Cards */
  .card { padding: 24px 20px; }

  /* Article */
  .article-hero { padding: 56px 0 44px; }
  .article-body { padding: 44px 0 64px; }
  .article-body h2 { font-size: 1.2rem; }

  /* Blog card link row */
  .blog-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .blog-actions .btn { width: 100%; text-align: center; }
}