/*
  StorageUnitGuide.org
  Main responsive stylesheet
  Publisher: WRS Web Solutions Inc.
  Visual direction: deep navy, storage blue, warm sand, practical guide style.
*/

/* =========================
   1. Base variables
   ========================= */

:root {
  --ink: #172033;
  --ink-soft: #334158;
  --muted: #64748b;

  --navy: #22314f;
  --navy-dark: #172033;
  --blue: #3f6f9f;
  --blue-soft: #d9e8f5;

  --steel: #d9e2ec;
  --steel-2: #edf2f7;

  --sand: #f6f1e7;
  --cream: #fffaf2;
  --white: #ffffff;

  --green: #587c63;
  --green-soft: #edf5ef;

  --orange: #c76b35;
  --orange-soft: #fff0e6;

  --red: #9f2f2f;
  --red-soft: #fff1f1;

  --shadow-sm: 0 8px 24px rgba(23, 32, 51, 0.08);
  --shadow-md: 0 18px 42px rgba(23, 32, 51, 0.12);

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --wrap: 1680px;
  --content: 1120px;

  --space-xs: 0.45rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.25rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;

  --font-main: Arial, Helvetica, sans-serif;
}

/* =========================
   2. Reset and global rules
   ========================= */

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(63, 111, 159, 0.12), transparent 34rem),
    linear-gradient(180deg, var(--cream) 0%, var(--sand) 55%, #f8f5ee 100%);
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--blue);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus {
  color: var(--navy);
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin-top: 0;
  padding-left: 1.4rem;
}

li + li {
  margin-top: 0.35rem;
}

strong {
  color: var(--navy-dark);
}

hr {
  border: 0;
  border-top: 1px solid var(--steel);
  margin: var(--space-xl) 0;
}

/* Keep keyboard navigation visible. */
:focus-visible {
  outline: 3px solid rgba(199, 107, 53, 0.75);
  outline-offset: 3px;
  border-radius: 6px;
}

/* =========================
   3. Shared layout
   ========================= */

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin-inline: auto;
}

.narrow-wrap {
  width: min(var(--content), calc(100% - 48px));
  margin-inline: auto;
}

.section {
  padding: var(--space-2xl) 0;
}

.section-tight {
  padding: var(--space-xl) 0;
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.flow > * + * {
  margin-top: var(--space-md);
}

.center {
  text-align: center;
}

.muted {
  color: var(--muted);
}

.lead {
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  color: var(--ink-soft);
  line-height: 1.75;
}

.small {
  font-size: 0.92rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 var(--space-sm);
  padding: 0.32rem 0.72rem;
  border: 1px solid rgba(63, 111, 159, 0.22);
  border-radius: 999px;
  background: rgba(255, 250, 242, 0.88);
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin-top: var(--space-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.btn:hover,
.btn:focus {
  background: var(--blue);
  color: var(--white);
}

.btn-secondary {
  background: var(--cream);
  border-color: rgba(34, 49, 79, 0.18);
  color: var(--navy);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--steel-2);
  color: var(--navy-dark);
}

/* =========================
   4. Accessibility helpers
   ========================= */

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 9999;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* =========================
   5. Header and navigation
   ========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 250, 242, 0.96);
  border-bottom: 1px solid rgba(34, 49, 79, 0.12);
  box-shadow: 0 8px 28px rgba(23, 32, 51, 0.06);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  min-height: 92px;
  padding: 0.7rem 0;
}

/* Logo is intentionally normal-sized, not tiny. */
.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 1 auto;
  min-width: 260px;
  text-decoration: none;
}

.brand img {
  display: block;
  width: clamp(260px, 24vw, 430px);
  max-height: 92px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 800;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus,
.site-nav a[aria-current="page"] {
  background: var(--blue-soft);
  color: var(--navy);
}

/* Optional mobile nav button, if used later. */
.nav-toggle {
  display: none;
  min-height: 44px;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(34, 49, 79, 0.18);
  border-radius: 999px;
  background: var(--cream);
  color: var(--navy);
  font-weight: 800;
  cursor: pointer;
}

/* =========================
   6. Hero sections
   ========================= */

.hero {
  padding: clamp(2rem, 5vw, 5rem) 0 var(--space-2xl);
}

.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: var(--space-xl);
  align-items: center;
  padding: clamp(1.4rem, 3.2vw, 3rem);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 250, 242, 0.95), rgba(237, 245, 239, 0.9)),
    radial-gradient(circle at top right, rgba(63, 111, 159, 0.16), transparent 24rem);
  box-shadow: var(--shadow-md);
}

.hero h1,
.page-hero h1 {
  margin: 0 0 var(--space-md);
  color: var(--navy-dark);
  font-size: clamp(2.2rem, 5vw, 5.1rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.hero p {
  max-width: 76rem;
}

.hero-panel {
  padding: var(--space-lg);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-sm);
}

.hero-panel h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

.quick-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.quick-list li {
  display: flex;
  gap: 0.62rem;
  align-items: flex-start;
  margin: 0;
}

.quick-list li::before {
  content: "";
  flex: 0 0 0.62rem;
  width: 0.62rem;
  height: 0.62rem;
  margin-top: 0.58rem;
  border-radius: 999px;
  background: var(--orange);
}

.page-hero {
  padding: clamp(2rem, 4.5vw, 4rem) 0 var(--space-xl);
  background:
    linear-gradient(135deg, rgba(34, 49, 79, 0.98), rgba(63, 111, 159, 0.9)),
    radial-gradient(circle at top right, rgba(255, 250, 242, 0.18), transparent 22rem);
  color: var(--white);
}

.page-hero h1,
.page-hero .lead,
.page-hero p,
.page-hero a {
  color: var(--white);
}

.page-hero .kicker {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--white);
}

.page-hero .article-meta {
  color: rgba(255, 255, 255, 0.88);
}

.page-hero .article-meta a {
  color: var(--white);
}

/* =========================
   7. Cards and content blocks
   ========================= */

.card {
  height: 100%;
  padding: var(--space-lg);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-sm);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.card p:last-child {
  margin-bottom: 0;
}

.card-link {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.card-link:hover .card,
.card-link:focus .card {
  border-color: rgba(63, 111, 159, 0.42);
  transform: translateY(-2px);
  transition: transform 180ms ease, border-color 180ms ease;
}

.feature-card {
  border-top: 5px solid var(--blue);
}

.warning-card {
  border-top: 5px solid var(--orange);
  background: var(--orange-soft);
}

.note-card {
  border-top: 5px solid var(--green);
  background: var(--green-soft);
}

.stat-card {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.stat-card strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--white);
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.1;
}

.stat-card span {
  color: rgba(255, 255, 255, 0.82);
}

/* =========================
   8. Article layout
   ========================= */

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-xl);
  align-items: start;
}

.article-main {
  min-width: 0;
  padding: clamp(1.2rem, 2.6vw, 2.2rem);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-sm);
}

.article-main h2 {
  margin: 2.1rem 0 0.8rem;
  color: var(--navy);
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.article-main h3 {
  margin: 1.6rem 0 0.65rem;
  color: var(--navy-dark);
  font-size: clamp(1.22rem, 2vw, 1.55rem);
  line-height: 1.22;
}

.article-main h2:first-child,
.article-main h3:first-child {
  margin-top: 0;
}

.article-main p,
.article-main li {
  font-size: 1.03rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.85rem;
  align-items: center;
  margin-top: var(--space-md);
  color: var(--muted);
  font-size: 0.95rem;
}

.breadcrumbs {
  margin-bottom: var(--space-md);
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus {
  text-decoration: underline;
}

.article-intro {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--steel);
}

.answer-box {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  border: 1px solid rgba(63, 111, 159, 0.25);
  border-left: 6px solid var(--blue);
  border-radius: var(--radius-md);
  background: #f7fbff;
}

.answer-box h2,
.answer-box h3 {
  margin-top: 0;
}

.caution-box {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  border: 1px solid rgba(199, 107, 53, 0.28);
  border-left: 6px solid var(--orange);
  border-radius: var(--radius-md);
  background: var(--orange-soft);
}

.safety-box {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  border: 1px solid rgba(88, 124, 99, 0.28);
  border-left: 6px solid var(--green);
  border-radius: var(--radius-md);
  background: var(--green-soft);
}

.legal-note {
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid rgba(159, 47, 47, 0.2);
  border-left: 6px solid var(--red);
  border-radius: var(--radius-md);
  background: var(--red-soft);
  color: #602121;
}

.author-box {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: var(--space-md);
  align-items: center;
  margin: var(--space-xl) 0 0;
  padding: var(--space-lg);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: var(--cream);
}

.author-avatar {
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-size: 1.35rem;
  font-weight: 900;
}

/* =========================
   9. Sidebar
   ========================= */

.sidebar {
  position: sticky;
  top: 118px;
  display: grid;
  gap: var(--space-md);
}

.sidebar-box {
  padding: var(--space-lg);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-sm);
}

.sidebar-box h2,
.sidebar-box h3 {
  margin-top: 0;
  font-size: 1.12rem;
}

.sidebar-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sidebar-list li {
  margin: 0;
}

.sidebar-list a {
  font-weight: 800;
  text-decoration: none;
}

.sidebar-list a:hover,
.sidebar-list a:focus {
  text-decoration: underline;
}

/* =========================
   10. Tables
   ========================= */

.table-wrap {
  width: 100%;
  margin: var(--space-lg) 0;
  overflow-x: auto;
  border: 1px solid var(--steel);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

caption {
  padding: var(--space-sm) var(--space-md);
  color: var(--muted);
  font-weight: 700;
  text-align: left;
}

th,
td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--steel);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--navy);
  color: var(--white);
  font-size: 0.94rem;
}

tr:last-child td {
  border-bottom: 0;
}

tbody tr:nth-child(even) {
  background: #f9fbfd;
}

/* =========================
   11. Diagrams and visual explainers
   ========================= */

.diagram {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #ffffff, #f7fbff);
  box-shadow: var(--shadow-sm);
}

.diagram-title {
  margin: 0 0 var(--space-md);
  color: var(--navy);
  font-weight: 900;
}

.size-diagram {
  display: grid;
  grid-template-columns: repeat(4, minmax(90px, 1fr));
  gap: var(--space-sm);
  align-items: end;
}

.size-block {
  display: grid;
  place-items: center;
  min-height: 76px;
  padding: var(--space-sm);
  border: 2px solid rgba(63, 111, 159, 0.35);
  border-radius: var(--radius-sm);
  background: var(--blue-soft);
  color: var(--navy);
  font-weight: 900;
  text-align: center;
}

.size-block.large {
  min-height: 128px;
}

.size-block.xlarge {
  min-height: 170px;
}

.step-list {
  display: grid;
  gap: var(--space-md);
  counter-reset: steps;
  margin: var(--space-lg) 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  position: relative;
  margin: 0;
  padding: var(--space-md) var(--space-md) var(--space-md) 3.8rem;
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: var(--white);
}

.step-list li::before {
  counter-increment: steps;
  content: counter(steps);
  position: absolute;
  left: 1rem;
  top: 1rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--orange);
  color: var(--white);
  font-weight: 900;
}

/* =========================
   12. Link lists, chips, indexes
   ========================= */

.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.link-card {
  display: block;
  min-height: 100%;
  padding: var(--space-lg);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.link-card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.link-card span {
  display: block;
  color: var(--ink-soft);
}

.link-card:hover,
.link-card:focus {
  border-color: rgba(63, 111, 159, 0.45);
  transform: translateY(-2px);
  transition: transform 180ms ease, border-color 180ms ease;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: var(--space-md) 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.42rem 0.75rem;
  border: 1px solid rgba(63, 111, 159, 0.24);
  border-radius: 999px;
  background: var(--white);
  color: var(--navy);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
}

.chip:hover,
.chip:focus {
  background: var(--blue-soft);
  color: var(--navy-dark);
}

/* =========================
   13. FAQ and glossary
   ========================= */

.faq-list {
  display: grid;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.faq-item {
  padding: var(--space-lg);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.faq-item h2,
.faq-item h3 {
  margin-top: 0;
}

.glossary-list {
  display: grid;
  gap: var(--space-md);
}

.glossary-term {
  padding: var(--space-lg);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-md);
  background: var(--white);
}

.glossary-term h2,
.glossary-term h3 {
  margin-top: 0;
}

/* =========================
   14. Real AdSense placement containers
   ========================= */

/*
  These are layout wrappers only.
  They are not placeholder ad boxes.
  Use actual AdSense <ins class="adsbygoogle"> code inside .ad-wrap.
*/

.ad-wrap {
  margin: var(--space-xl) 0;
  padding: var(--space-sm) 0;
  text-align: center;
  overflow: hidden;
}

.ad-label {
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ad-wrap ins.adsbygoogle {
  display: block;
  min-height: 90px;
}

/* =========================
   15. Footer
   ========================= */

.site-footer {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl) 0;
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.82);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, minmax(160px, 0.75fr));
  gap: var(--space-xl);
}

.site-footer h2,
.site-footer h3 {
  margin-top: 0;
  color: var(--white);
  font-size: 1.05rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus {
  color: var(--white);
  text-decoration: underline;
}

.footer-list {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list li {
  margin: 0;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: space-between;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.92rem;
}

/* =========================
   16. Forms / contact page style
   ========================= */

.contact-panel {
  padding: var(--space-xl);
  border: 1px solid rgba(34, 49, 79, 0.12);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.helpdesk-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: var(--space-sm);
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-weight: 900;
  text-decoration: none;
}

.helpdesk-link:hover,
.helpdesk-link:focus {
  background: var(--blue);
  color: var(--white);
}

/* =========================
   17. Responsive rules
   ========================= */

@media (max-width: 1180px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-sm);
    min-height: auto;
  }

  .brand {
    min-width: 0;
  }

  .brand img {
    width: clamp(280px, 52vw, 420px);
    max-height: 96px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero-card,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .grid-3,
  .grid-4,
  .link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero h1,
  .page-hero h1 {
    letter-spacing: -0.04em;
  }

  .hero-panel {
    padding: var(--space-md);
  }
}

@media (max-width: 720px) {
  .wrap,
  .narrow-wrap {
    width: min(100% - 28px, var(--wrap));
  }

  body {
    font-size: 15.5px;
  }

  .header-inner {
    padding: 0.55rem 0;
  }

  .brand img {
    width: min(340px, 86vw);
    max-height: 88px;
  }

  .site-nav {
    width: 100%;
    gap: 0.25rem;
  }

  .site-nav a {
    min-height: 38px;
    padding: 0.38rem 0.58rem;
    font-size: 0.88rem;
  }

  .hero {
    padding-top: var(--space-xl);
  }

  .hero-card,
  .article-main,
  .contact-panel {
    padding: var(--space-lg);
    border-radius: var(--radius-md);
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .link-grid,
  .sidebar,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .size-diagram {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .author-box {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .footer-bottom {
    display: block;
  }

  .footer-bottom p {
    margin-bottom: 0.65rem;
  }
}

@media (max-width: 460px) {
  .wrap,
  .narrow-wrap {
    width: min(100% - 22px, var(--wrap));
  }

  .brand img {
    width: min(310px, 88vw);
  }

  .hero-card,
  .article-main,
  .card,
  .sidebar-box,
  .faq-item,
  .glossary-term {
    padding: var(--space-md);
  }

  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .btn,
  .btn-secondary,
  .helpdesk-link {
    width: 100%;
  }

  table {
    min-width: 620px;
  }
}

/* =========================
   18. Print rules
   ========================= */

@media print {
  body {
    background: #ffffff;
    color: #000000;
  }

  .site-header,
  .site-footer,
  .sidebar,
  .ad-wrap,
  .button-row {
    display: none !important;
  }

  .wrap,
  .narrow-wrap {
    width: 100%;
  }

  .article-layout {
    display: block;
  }

  .article-main {
    border: 0;
    box-shadow: none;
    padding: 0;
  }

  a {
    color: #000000;
  }
}