/* ==========================================================================
   jak-malovat-byt.cz — MODERN ARCHITECTURAL & INTERIOR PORTAL (2026)
   Důraz na špičkové UX/UI, 100% responzivitu a striktně jednořádkovou navigaci
   Paleta: Warm Alabaster (#faf8f5), Espresso Slate (#18181b), Terracotta (#c2410c)
   ========================================================================== */

:root {
  --jmb-bg: #faf8f5;
  --jmb-surface: #ffffff;
  --jmb-sand: #f3efe8;
  --jmb-sand-2: #e7e0d4;
  --jmb-ink: #18181b;
  --jmb-muted: #52525b;
  --jmb-accent: #c2410c;
  --jmb-accent-hover: #9a3412;
  --jmb-accent-soft: #ffedd5;
  --jmb-navy: #1e293b;
  --jmb-border: #e4dfd7;
  --jmb-radius-xl: 24px;
  --jmb-radius-lg: 16px;
  --jmb-radius-md: 12px;
  --jmb-shadow-sm: 0 4px 16px rgba(24, 24, 27, 0.05);
  --jmb-shadow-lg: 0 20px 45px -12px rgba(24, 24, 27, 0.10);
  --jmb-font-serif: 'Fraunces', Georgia, serif;
  --jmb-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body.jmb-body {
  background-color: var(--jmb-bg);
  color: var(--jmb-ink);
  font-family: var(--jmb-font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.jmb-container {
  width: min(1260px, 92vw);
  margin-inline: auto;
}

/* ==========================================================================
   SINGLE-LINE RESPONSIVE HEADER (NIKDY NEZALAMUJE MENU NA VÍCE ŘÁDKŮ)
   ========================================================================== */
.jmb-topbar {
  background: var(--jmb-ink);
  color: #e4e4e7;
  font-size: 0.78rem;
  padding: 0.45rem 0;
}

.jmb-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  white-space: nowrap;
  overflow: hidden;
}

.jmb-topbar-inner span {
  text-overflow: ellipsis;
  overflow: hidden;
}

.jmb-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--jmb-border);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.03);
}

.jmb-header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: nowrap;
}

.jmb-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.jmb-logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--jmb-accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--jmb-font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 6px 14px rgba(194, 65, 12, 0.25);
}

.jmb-logo-text strong {
  display: block;
  font-family: var(--jmb-font-serif);
  font-size: 1.12rem;
  line-height: 1.1;
  color: var(--jmb-ink);
}

.jmb-logo-text small {
  display: block;
  font-size: 0.7rem;
  color: var(--jmb-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.jmb-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.jmb-nav a {
  display: inline-flex;
  align-items: center;
  padding: 0.48rem 0.85rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--jmb-muted);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.18s ease, color 0.18s ease;
}

.jmb-nav a:hover {
  color: var(--jmb-ink);
  background: var(--jmb-sand);
}

.jmb-nav a.is-active {
  background: var(--jmb-ink);
  color: #ffffff;
}

.jmb-header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.jmb-phone-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.48rem 0.85rem;
  border-radius: 999px;
  background: var(--jmb-sand);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--jmb-ink);
  white-space: nowrap;
}

.jmb-nav-toggle {
  display: none;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--jmb-border);
  background: var(--jmb-surface);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--jmb-ink);
  cursor: pointer;
  white-space: nowrap;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.jmb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.4rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.92rem;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.jmb-btn-sm {
  padding: 0.52rem 1rem;
  font-size: 0.85rem;
  border-radius: 999px;
}

.jmb-btn-primary {
  background: var(--jmb-accent);
  color: #fff;
}

.jmb-btn-primary:hover {
  background: var(--jmb-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(194, 65, 12, 0.24);
}

.jmb-btn-outline {
  background: var(--jmb-surface);
  border-color: var(--jmb-border);
  color: var(--jmb-ink);
}

.jmb-btn-outline:hover {
  border-color: var(--jmb-ink);
  background: var(--jmb-sand);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.jmb-hero {
  padding: clamp(2rem, 4vw, 3.5rem) 0;
}

.jmb-hero-card {
  background: var(--jmb-surface);
  border: 1px solid var(--jmb-border);
  border-radius: var(--jmb-radius-xl);
  padding: clamp(1.5rem, 3.5vw, 3rem);
  box-shadow: var(--jmb-shadow-lg);
}

.jmb-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.75rem, 3.5vw, 3rem);
  align-items: center;
}

.jmb-issue-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--jmb-accent-soft);
  color: var(--jmb-accent);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.jmb-hero h1 {
  font-family: var(--jmb-font-serif);
  font-size: clamp(1.95rem, 3.4vw, 2.95rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--jmb-ink);
  margin-bottom: 1rem;
}

.jmb-dropcap {
  font-size: 1.04rem;
  color: var(--jmb-muted);
  margin-bottom: 1.5rem;
}

.jmb-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.jmb-stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--jmb-border);
}

.jmb-stat-cell {
  background: var(--jmb-bg);
  border: 1px solid var(--jmb-border);
  border-radius: var(--jmb-radius-md);
  padding: 0.85rem 1rem;
}

.jmb-stat-cell strong {
  display: block;
  font-family: var(--jmb-font-serif);
  font-size: 1.25rem;
  color: var(--jmb-accent);
  line-height: 1.2;
}

.jmb-stat-cell span {
  font-size: 0.78rem;
  color: var(--jmb-muted);
}

.jmb-hero-media {
  position: relative;
  border-radius: var(--jmb-radius-lg);
  overflow: hidden;
  border: 1px solid var(--jmb-border);
  box-shadow: var(--jmb-shadow-sm);
}

.jmb-hero-media img {
  width: 100%;
  height: 410px;
  object-fit: cover;
}

.jmb-hero-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  background: var(--jmb-ink);
  color: #f4f4f5;
  font-size: 0.8rem;
}

.jmb-hero-caption strong {
  background: var(--jmb-accent);
  color: #fff;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  white-space: nowrap;
}

/* ==========================================================================
   SECTIONS & INTERACTIVE TABS
   ========================================================================== */
.jmb-section {
  padding: 2.25rem 0;
}

.jmb-section-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.jmb-section-num {
  display: block;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--jmb-accent);
  margin-bottom: 0.25rem;
}

.jmb-section-header h2 {
  font-family: var(--jmb-font-serif);
  font-size: clamp(1.55rem, 2.5vw, 2.15rem);
  line-height: 1.2;
}

.jmb-tabs-wrap {
  background: var(--jmb-surface);
  border: 1px solid var(--jmb-border);
  border-radius: var(--jmb-radius-lg);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  box-shadow: var(--jmb-shadow-sm);
}

.jmb-tab-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  background: var(--jmb-sand);
  padding: 0.4rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.jmb-tab-btn {
  padding: 0.7rem 0.85rem;
  border-radius: 9px;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--jmb-muted);
  cursor: pointer;
  transition: all 0.18s ease;
}

.jmb-tab-btn:hover {
  color: var(--jmb-ink);
}

.jmb-tab-btn.is-active {
  background: var(--jmb-surface);
  color: var(--jmb-accent);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
}

.jmb-disp-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.jmb-disp-grid h3 {
  font-family: var(--jmb-font-serif);
  font-size: 1.4rem;
  margin-bottom: 0.65rem;
}

.jmb-disp-specs {
  background: var(--jmb-bg);
  border: 1px solid var(--jmb-border);
  border-radius: var(--jmb-radius-md);
  padding: 1.25rem;
  display: grid;
  gap: 0.65rem;
}

.jmb-disp-spec {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--jmb-border);
  font-size: 0.9rem;
}

.jmb-disp-spec:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.jmb-disp-spec strong {
  color: var(--jmb-ink);
  font-weight: 800;
  white-space: nowrap;
}

/* ==========================================================================
   CHAPTER CARDS & PHOTO STRIP
   ========================================================================== */
.jmb-chapter-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.jmb-chapter-card {
  background: var(--jmb-surface);
  border: 1px solid var(--jmb-border);
  border-radius: var(--jmb-radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.jmb-chapter-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--jmb-shadow-lg);
  border-color: var(--jmb-accent);
}

.jmb-chapter-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.76rem;
  color: var(--jmb-muted);
  margin-bottom: 0.85rem;
}

.jmb-chapter-badge {
  background: var(--jmb-sand);
  color: var(--jmb-ink);
  font-weight: 800;
  padding: 0.22rem 0.6rem;
  border-radius: 6px;
}

.jmb-chapter-card h3 {
  font-family: var(--jmb-font-serif);
  font-size: 1.18rem;
  line-height: 1.3;
  margin-bottom: 0.6rem;
}

.jmb-chapter-card p {
  font-size: 0.88rem;
  color: var(--jmb-muted);
  margin-bottom: 1.25rem;
}

.jmb-chapter-link {
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--jmb-accent);
}

.jmb-photo-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.jmb-photo-strip figure {
  background: var(--jmb-surface);
  border: 1px solid var(--jmb-border);
  border-radius: var(--jmb-radius-lg);
  overflow: hidden;
  box-shadow: var(--jmb-shadow-sm);
}

.jmb-photo-strip img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.jmb-photo-strip figcaption {
  padding: 0.95rem 1.15rem;
  font-size: 0.85rem;
  color: var(--jmb-muted);
}

/* ==========================================================================
   ARTICLE LAYOUT & TABLES (PRO PODSTRÁNKY)
   ========================================================================== */
.jmb-article-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 2rem;
  align-items: start;
}

.jmb-article-sheet {
  background: var(--jmb-surface);
  border: 1px solid var(--jmb-border);
  border-radius: var(--jmb-radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--jmb-shadow-sm);
}

.jmb-article-sheet h2 {
  font-family: var(--jmb-font-serif);
  font-size: 1.45rem;
  margin: 1.75rem 0 0.75rem;
}

.jmb-article-sheet h2:first-child {
  margin-top: 0;
}

.jmb-article-sheet p,
.jmb-article-sheet ul {
  margin-bottom: 1rem;
  color: var(--jmb-muted);
}

.jmb-article-sheet ul {
  padding-left: 1.25rem;
}

.jmb-article-sheet li {
  margin-bottom: 0.45rem;
}

.jmb-callout {
  background: var(--jmb-accent-soft);
  border-left: 4px solid var(--jmb-accent);
  padding: 1rem 1.25rem;
  border-radius: 0 12px 12px 0;
  margin: 1.25rem 0;
  font-size: 0.92rem;
  color: var(--jmb-ink);
}

.jmb-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.9rem;
}

.jmb-table th,
.jmb-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--jmb-border);
}

.jmb-table th {
  background: var(--jmb-sand);
  font-weight: 800;
  color: var(--jmb-ink);
}

.jmb-aside-box {
  background: var(--jmb-surface);
  border: 1px solid var(--jmb-border);
  border-top: 4px solid var(--jmb-accent);
  border-radius: var(--jmb-radius-lg);
  padding: 1.6rem;
  position: sticky;
  top: 90px;
}

.jmb-aside-box h3 {
  font-family: var(--jmb-font-serif);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.jmb-aside-box ol {
  padding-left: 1.2rem;
  display: grid;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--jmb-muted);
}

/* ==========================================================================
   CALCULATOR & INQUIRY FORM
   ========================================================================== */
.jmb-calc-card {
  background: var(--jmb-ink);
  color: #fff;
  border-radius: var(--jmb-radius-xl);
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
  box-shadow: var(--jmb-shadow-lg);
}

.jmb-calc-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.25rem;
  align-items: center;
}

.jmb-calc-controls h3 {
  font-family: var(--jmb-font-serif);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.jmb-range-row {
  margin-bottom: 1.25rem;
}

.jmb-range-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.45rem;
}

.jmb-range-label strong {
  font-family: var(--jmb-font-serif);
  font-size: 1.45rem;
  color: #fb923c;
}

.jmb-range-row input[type="range"] {
  width: 100%;
  accent-color: var(--jmb-accent);
}

.jmb-calc-output {
  background: var(--jmb-surface);
  color: var(--jmb-ink);
  border-radius: var(--jmb-radius-lg);
  padding: 1.5rem;
}

.jmb-calc-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--jmb-border);
  font-size: 0.9rem;
}

.jmb-calc-stat:last-of-type {
  border-bottom: none;
}

.jmb-calc-stat strong {
  font-family: var(--jmb-font-serif);
  font-size: 1.2rem;
}

.jmb-calc-stat strong.is-price {
  color: var(--jmb-accent);
  font-size: 1.35rem;
}

.jmb-form-section {
  background: var(--jmb-surface);
  border: 2px solid var(--jmb-ink);
  border-radius: var(--jmb-radius-xl);
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
  box-shadow: var(--jmb-shadow-lg);
  margin: 2.5rem 0;
}

.jmb-form-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

.jmb-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.jmb-field {
  margin-bottom: 0.9rem;
}

.jmb-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.jmb-field input,
.jmb-field select,
.jmb-field textarea {
  width: 100%;
  padding: 0.72rem 0.9rem;
  border: 1px solid var(--jmb-border);
  border-radius: 10px;
  background: var(--jmb-bg);
  font-family: inherit;
  font-size: 0.94rem;
  color: var(--jmb-ink);
}

.jmb-field input:focus,
.jmb-field select:focus,
.jmb-field textarea:focus {
  outline: none;
  border-color: var(--jmb-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.14);
}

.field-error,
.error-msg {
  display: none;
  font-size: 0.76rem;
  color: #b91c1c;
  margin-top: 0.25rem;
}

input.is-invalid ~ .field-error,
input.user-invalid-fallback ~ .field-error,
input.user-invalid-fallback ~ .error-msg {
  display: block;
}

.form-status {
  padding: 1rem 1.15rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.form-status.is-success {
  background: #f0fdf4;
  border: 1px solid #16a34a;
  color: #166534;
}

.form-status.is-error {
  background: #fef2f2;
  border: 1px solid #dc2626;
  color: #991b1b;
}

/* ==========================================================================
   FOOTER, TOAST & COOKIE BANNER
   ========================================================================== */
.jmb-footer {
  background: var(--jmb-ink);
  color: #a1a1aa;
  padding: 2.5rem 0;
  margin-top: 3rem;
  font-size: 0.85rem;
}

.jmb-footer a {
  color: #f4f4f5;
  text-decoration: underline;
}

.mail-toast {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  left: auto;
  bottom: auto;
  margin: 0;
  width: min(440px, calc(100vw - 2rem));
  background: #18181b;
  color: #fff;
  border: 2px solid #22c55e;
  border-radius: 14px;
  padding: 0;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  z-index: 9999;
}
.mail-toast:not(:popover-open):not(.is-visible) { display: none; }
.mail-toast.is-visible { display: block; }
.mail-toast__inner { display: flex; align-items: flex-start; gap: 0.9rem; padding: 1.1rem 1.25rem; }
.mail-toast__icon { width: 34px; height: 34px; border-radius: 50%; background: #16a34a; color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; flex-shrink: 0; }
.mail-toast__body strong { display: block; font-size: 0.96rem; margin-bottom: 0.25rem; }
.mail-toast__body p { font-size: 0.83rem; color: #d4d4d8; line-height: 1.45; margin: 0; }
.mail-toast__close { background: transparent; border: none; color: #a1a1aa; font-size: 1.35rem; cursor: pointer; margin-left: auto; }

.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(920px, calc(100vw - 1.5rem));
  background: #18181b;
  color: #fafafa;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  padding: 1rem 1.35rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  z-index: 9500;
}
.cookie-banner[hidden] { display: none !important; }
.cookie-banner__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.cookie-banner__text { flex: 1 1 420px; }
.cookie-banner__text strong { display: block; font-size: 0.9rem; margin-bottom: 0.2rem; }
.cookie-banner__text p { font-size: 0.78rem; color: #d4d4d8; margin: 0; }
.cookie-banner__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cookie-btn { padding: 0.48rem 0.9rem; border-radius: 8px; font-size: 0.78rem; font-weight: 700; cursor: pointer; border: 1px solid rgba(255,255,255,0.25); background: transparent; color: #fff; }
.cookie-btn--accept { background: var(--jmb-accent); border-color: var(--jmb-accent); }
.cookie-prefs { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid rgba(255,255,255,0.14); display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.78rem; }

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (MOBILE MENU + FLUID GRIDS)
   ========================================================================== */
@media (max-width: 1080px) {
  .jmb-nav-toggle {
    display: inline-flex;
  }
  .jmb-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--jmb-surface);
    border-bottom: 1px solid var(--jmb-border);
    padding: 1rem 4vw;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
  }
  .jmb-nav.is-open {
    display: flex;
  }
  .jmb-hero-grid,
  .jmb-disp-grid,
  .jmb-article-layout,
  .jmb-calc-grid,
  .jmb-form-grid {
    grid-template-columns: 1fr;
  }
  .jmb-chapter-cards,
  .jmb-tab-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .jmb-phone-pill {
    display: none;
  }
  .jmb-stat-strip,
  .jmb-chapter-cards,
  .jmb-photo-strip,
  .jmb-tab-list,
  .jmb-field-row {
    grid-template-columns: 1fr;
  }
  .jmb-hero-media img {
    height: 260px;
  }
}