/* ==========================================
   MICROBYND — style.css
   Clean, minimal, science-forward
   ========================================== */

:root {
  --cream:     #F5F0EA;
  --cream-dk:  #EDE6DC;
  --teal:      #2E7D7A;
  --teal-lt:   #4A9A8E;
  --teal-pale: #E8F4F2;
  --coral:     #D4623A;
  --amber:     #D4A83A;
  --yellow:    #E8B84B;
  --ink:       #1C2820;
  --ink-mid:   #3D4A42;
  --ink-lt:    #6B7970;
  --white:     #FFFFFF;
  --border:    #D8D0C4;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(44,80,70,0.08);
  --shadow-lg: 0 12px 48px rgba(44,80,70,0.12);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--cream); color: var(--ink); font-size: 16px; line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
input, textarea, select, button { font-family: var(--font-body); }

/* ---- Typography ---- */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; color: var(--ink); }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
em { font-style: italic; color: var(--teal); }
p { color: var(--ink-mid); }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

/* ---- Layout ---- */
.container { max-width: 1120px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-lt); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost {
  background: transparent;
  color: var(--teal);
  border: 1.5px solid var(--teal);
}
.btn-ghost:hover { background: var(--teal-pale); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.btn-nav {
  background: var(--ink);
  color: var(--white);
  font-size: 0.82rem;
  padding: 0.6rem 1.2rem;
}
.btn-nav:hover { background: var(--teal); }
.btn-block { width: 100%; justify-content: center; margin-top: 0.75rem; }

/* ---- NAV ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 240, 234, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 2rem;
  height: 68px;
}
.nav-logo img {
  height: 40px;
  width: auto;
}
.nav-links {
  display: flex;
  gap: 1.75rem;
  margin-right: auto;
}
.nav-links a {
  font-size: 0.88rem;
  color: var(--ink-mid);
  font-weight: 400;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--teal); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  margin-left: auto;
}
.cart-btn { cursor: pointer; }

/* ---- HERO ---- */
.hero {
  min-height: calc(100vh - 68px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 5rem 2rem;
  max-width: 1120px;
  margin: 0 auto;
}
.hero-inner { max-width: 560px; }
.hero h1 { margin-bottom: 1.25rem; }
.hero-sub { font-size: 1.1rem; color: var(--ink-mid); margin-bottom: 2rem; max-width: 480px; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.pill-orbit {
  position: relative;
  width: 360px;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed var(--border);
}
.ring-1 { width: 240px; height: 240px; animation: spin 20s linear infinite; }
.ring-2 { width: 320px; height: 320px; animation: spin 30s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.orbit-dot {
  position: absolute;
  width: 14px;
  height: 18px;
  border-radius: 50%;
  left: calc(50% + var(--r) * cos(var(--angle)) - 7px);
  top: calc(50% + var(--r) * sin(var(--angle)) - 9px);
}
/* Fallback for browsers without CSS trig */
.orbit-dot:nth-child(3)  { left:158px; top:30px;  }
.orbit-dot:nth-child(4)  { left:248px; top:158px; }
.orbit-dot:nth-child(5)  { left:100px; top:268px; }
.orbit-dot:nth-child(6)  { left:28px;  top:120px; }
.orbit-dot:nth-child(7)  { left:278px; top:68px;  }
.dot-teal   { background: var(--teal-lt); }
.dot-coral  { background: var(--coral); }
.dot-amber  { background: var(--amber); }

.hero-logo-img { width: 200px; height: 200px; object-fit: contain; position: relative; z-index: 2; }

/* ---- STATS BAR ---- */
.stats-bar {
  background: var(--ink);
  color: var(--white);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: 2.5rem 2rem;
  flex-wrap: wrap;
}
.stat { text-align: center; padding: 0.5rem 3rem; }
.stat-num { display: block; font-family: var(--font-display); font-size: 2.2rem; color: var(--yellow); }
.stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.6); max-width: 160px; display: block; margin: 0 auto; }
.stat-divider { width: 1px; height: 48px; background: rgba(255,255,255,0.15); }

/* ---- HOW IT WORKS ---- */
.how { background: var(--white); }
.how h2 { margin-bottom: 0.75rem; }
.section-sub { color: var(--ink-lt); max-width: 560px; margin-bottom: 3rem; font-size: 1.05rem; }
.ingredient-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.ingredient-card {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border-top: 3px solid var(--accent, var(--teal));
  transition: transform 0.2s, box-shadow 0.2s;
}
.ingredient-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ingredient-dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  margin-bottom: 1.25rem;
}
.ingredient-card h3 { margin-bottom: 0.5rem; }
.ingredient-card p { font-size: 0.92rem; color: var(--ink-lt); }

/* ---- PROBLEM SECTION ---- */
.problem { background: var(--cream-dk); }
.problem-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.problem-text h2 { margin-bottom: 1.5rem; }
.problem-list { margin-bottom: 2rem; }
.problem-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--ink-mid);
  display: flex;
  gap: 0.5rem;
}
.problem-list li::before { content: '—'; color: var(--teal); flex-shrink: 0; }

.credit-card-graphic {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-lt) 100%);
  border-radius: 16px;
  width: 340px;
  height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.credit-card-graphic::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cc-chip {
  width: 44px; height: 32px;
  background: var(--amber);
  border-radius: 6px;
  position: absolute;
  top: 1.5rem; left: 1.75rem;
}
.cc-label { font-family: var(--font-display); color: var(--white); font-size: 1.8rem; }
.cc-sub { color: rgba(255,255,255,0.65); font-size: 0.8rem; }

/* ---- PRODUCT PREVIEW ---- */
.product-preview { background: var(--white); }
.product-preview-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.bottle-placeholder {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--border);
}
.bottle-placeholder img { width: 180px; height: 180px; object-fit: contain; }
.bottle-placeholder span { font-size: 0.82rem; color: var(--ink-lt); }
.price-row { display: flex; align-items: baseline; gap: 0.5rem; margin: 1.5rem 0; }
.price { font-family: var(--font-display); font-size: 2.4rem; color: var(--teal); }
.price-note { font-size: 0.9rem; color: var(--ink-lt); }

/* ---- SHOP PAGE ---- */
.shop-hero { padding: 5rem 2rem; }
.shop-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.shop-img-col { position: sticky; top: 88px; }
.shop-bottle {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  border: 1px solid var(--border);
  position: relative;
}
.shop-bottle img { width: 220px; height: 220px; object-fit: contain; }
.shop-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--teal);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
}
.shop-price { font-family: var(--font-display); font-size: 2.6rem; color: var(--teal); margin: 0.75rem 0; }
.shop-price span { font-family: var(--font-body); font-size: 1rem; color: var(--ink-lt); }
.shop-desc { color: var(--ink-mid); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; }
.shop-info-col h1 { margin-bottom: 0.25rem; }

.quantity-row { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1.5rem; }
.quantity-row label { font-size: 0.88rem; font-weight: 500; }
.qty-control {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 50px;
  overflow: hidden;
}
.qty-control button {
  background: none;
  border: none;
  padding: 0.5rem 1rem;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.15s;
}
.qty-control button:hover { background: var(--teal-pale); }
.qty-control span { padding: 0.5rem 0.75rem; font-weight: 500; min-width: 2.5rem; text-align: center; }

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.trust-row span {
  font-size: 0.8rem;
  color: var(--ink-lt);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ---- FORMULA TABLE ---- */
.ingredient-deep { background: var(--cream-dk); }
.formula-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 2rem;
  background: var(--white);
}
.formula-row {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  align-items: center;
}
.formula-row:last-child { border-bottom: none; }
.formula-row.header {
  background: var(--cream);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-lt);
}
.ing-name { display: flex; align-items: center; gap: 0.6rem; font-weight: 500; }
.ing-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.formula-note { font-size: 0.82rem; color: var(--ink-lt); margin-top: 1rem; }

/* ---- FAQ ---- */
.faq-section { background: var(--white); }
.faq-inner { max-width: 720px; }
.faq-list { margin-top: 2rem; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 0.25rem 0;
}
.faq-item summary {
  padding: 1.1rem 0;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.97rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.2rem; color: var(--teal); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding-bottom: 1.25rem; font-size: 0.92rem; color: var(--ink-lt); }

/* ---- CART DRAWER ---- */
.cart-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 200;
  opacity: 0; transition: opacity 0.3s;
}
.cart-overlay.open { opacity: 1; }
.cart-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(420px, 100vw);
  height: 100vh;
  background: var(--white);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-lg);
}
.cart-drawer.open { transform: translateX(0); }
.hidden { display: none !important; }
.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.cart-header button { background: none; border: none; font-size: 1.2rem; cursor: pointer; }
.cart-items { flex: 1; overflow-y: auto; padding: 1rem 1.5rem; }
.cart-empty { text-align: center; color: var(--ink-lt); margin-top: 2rem; }
.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.cart-item-info strong { display: block; font-size: 0.92rem; margin-bottom: 0.2rem; }
.cart-item-info span { font-size: 0.82rem; color: var(--ink-lt); }
.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cart-item-controls button {
  background: var(--cream);
  border: none;
  width: 28px; height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.9rem;
}
.cart-remove { color: var(--coral) !important; font-size: 0.75rem !important; }
.cart-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
}
.cart-total { font-size: 1.1rem; font-weight: 500; margin-bottom: 0.75rem; display: flex; justify-content: space-between; }

/* ---- PAGE HERO ---- */
.page-hero { padding: 5rem 2rem 3rem; }
.page-hero h1 { max-width: 680px; margin-bottom: 1rem; }

/* ---- ABOUT PAGE ---- */
.about-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about-text h2 { margin-bottom: 1.25rem; }
.about-text p { margin-bottom: 1.1rem; font-size: 1.02rem; color: var(--ink-mid); line-height: 1.8; }
.about-stats-col { display: flex; flex-direction: column; gap: 2rem; }
.about-stat {
  background: var(--cream-dk);
  border-radius: var(--radius);
  padding: 1.75rem;
  border-left: 3px solid var(--teal);
}
.big-num { display: block; font-family: var(--font-display); font-size: 2.8rem; color: var(--teal); }
.about-stat span:last-child { font-size: 0.88rem; color: var(--ink-lt); }

/* ---- RESEARCH SECTION ---- */
.research-section { background: var(--cream-dk); }
.research-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}
.research-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.research-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.research-tag {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}
.research-card p { font-size: 0.95rem; color: var(--ink-mid); flex: 1; }
.research-link { font-size: 0.85rem; color: var(--teal); font-weight: 500; }

/* ---- CONTACT ---- */
.contact-section { background: var(--white); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
.contact-info { margin-top: 1.5rem; }
.contact-info a { color: var(--teal); text-decoration: underline; }
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.82rem; font-weight: 500; color: var(--ink); }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
  color: var(--ink);
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--teal); }
.form-group textarea { resize: vertical; }
.form-success { color: var(--teal); font-size: 0.88rem; margin-top: 0.5rem; }

/* ---- BLOG ---- */
.blog-featured {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  margin-bottom: 3rem;
  color: var(--white);
}
.blog-featured-meta { display: flex; gap: 1rem; align-items: center; margin-bottom: 1.25rem; }
.blog-date { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.blog-featured-title { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--white); margin-bottom: 1rem; }
.blog-featured-excerpt { color: rgba(255,255,255,0.65); font-size: 1rem; max-width: 640px; margin-bottom: 2rem; line-height: 1.7; }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.blog-card-img {
  height: 160px;
  background-color: var(--c, var(--teal-pale));
}
.placeholder-img { background: var(--c, var(--teal-pale)); }
.blog-card-body { padding: 1.5rem; }
.blog-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.6rem;
}
.blog-card h3 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.blog-card p { font-size: 0.88rem; color: var(--ink-lt); line-height: 1.6; margin-bottom: 1rem; }
.blog-read { font-size: 0.85rem; color: var(--teal); font-weight: 500; }

/* ---- NEWSLETTER ---- */
.newsletter-section { background: var(--teal-pale); }
.newsletter-inner { text-align: center; max-width: 540px; margin: 0 auto; }
.newsletter-inner h2 { margin-bottom: 0.75rem; }
.newsletter-inner p { color: var(--ink-lt); margin-bottom: 1.75rem; }
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 420px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--white);
  font-size: 0.9rem;
  outline: none;
}
.newsletter-form input:focus { border-color: var(--teal); }

/* ---- FOOTER ---- */
.footer {
  background: var(--ink);
  padding: 3rem 2rem;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}
.footer-logo { height: 48px; width: auto; filter: brightness(0) invert(1); opacity: 0.85; }
.footer-nav { display: flex; gap: 2rem; }
.footer-nav a { font-size: 0.88rem; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-nav a:hover { color: var(--white); }
.footer-legal { font-size: 0.75rem; color: rgba(255,255,255,0.3); max-width: 560px; }

/* ---- SCROLL ANIMATIONS ---- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.ingredient-card:nth-child(2) { transition-delay: 0.1s; }
.ingredient-card:nth-child(3) { transition-delay: 0.2s; }
.blog-card:nth-child(2) { transition-delay: 0.1s; }
.blog-card:nth-child(3) { transition-delay: 0.2s; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding: 3rem 1.5rem; min-height: auto; }
  .hero-visual { display: none; }
  .hero-cta { justify-content: center; }
  .ingredient-grid { grid-template-columns: 1fr; }
  .problem-inner { grid-template-columns: 1fr; }
  .credit-card-graphic { margin: 0 auto; }
  .product-preview-inner { grid-template-columns: 1fr; }
  .shop-layout { grid-template-columns: 1fr; }
  .shop-img-col { position: static; }
  .research-cards { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .formula-row { grid-template-columns: 1fr 1fr; }
  .formula-row .formula-row > span:last-child { grid-column: span 2; }
}

@media (max-width: 640px) {
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--cream); flex-direction: column; padding: 1.5rem 2rem; gap: 1rem; border-bottom: 1px solid var(--border); z-index: 99; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .stats-bar { gap: 0; }
  .stat-divider { display: none; }
  .stat { padding: 1rem 1.5rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-featured { padding: 2rem; }
  .newsletter-form { flex-direction: column; }
  .formula-row { grid-template-columns: 1fr; font-size: 0.85rem; }
  .formula-row.header { display: none; }
}