/* ==========================================================================
   Generator Size Calculator — CSS
   Mobile-first, no external dependencies, system font stack
   Colors: navy #1a2744 | orange #f97316 | white #ffffff | green #16a34a
   ========================================================================== */

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */

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

:root {
  --navy:       #1a2744;
  --navy-dark:  #111b33;
  --navy-light: #243460;
  --orange:     #f97316;
  --orange-dk:  #ea6007;
  --white:      #ffffff;
  --gray-50:    #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-400:   #94a3b8;
  --gray-600:   #475569;
  --gray-800:   #1e293b;
  --green:      #16a34a;
  --green-light:#dcfce7;
  --red:        #dc2626;
  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  12px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow:     0 4px 16px rgba(0,0,0,.12), 0 2px 6px rgba(0,0,0,.08);
  --shadow-lg:  0 10px 32px rgba(0,0,0,.14), 0 4px 12px rgba(0,0,0,.10);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
          Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--gray-50);
}

a {
  color: var(--orange);
  text-decoration: none;
}
a:hover { text-decoration: underline; color: var(--orange-dk); }

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

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--navy);
}

h1 { font-size: clamp(1.6rem, 4vw, 2.25rem); margin-bottom: .75rem; }
h2 { font-size: clamp(1.25rem, 3vw, 1.6rem); margin-bottom: .6rem; }
h3 { font-size: 1.1rem; margin-bottom: .4rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

ul, ol { margin-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: .35rem; }

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.site-header {
  background: var(--navy);
  color: var(--white);
  padding: 1rem 1.5rem;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
}

.site-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .45rem;
}
.site-logo:hover { color: var(--orange); text-decoration: none; }
.site-logo .icon { font-size: 1.35rem; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--gray-200);
  font-size: .9rem;
  text-decoration: none;
  transition: color .15s;
}
.site-nav a:hover { color: var(--orange); text-decoration: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

/* --------------------------------------------------------------------------
   Hero Banner
   -------------------------------------------------------------------------- */

.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(1.8rem, 5vw, 2.75rem);
  margin-bottom: 1rem;
}

.hero .hero-sub {
  font-size: 1.05rem;
  color: var(--gray-200);
  max-width: 620px;
  margin: 0 auto 1.5rem;
  line-height: 1.65;
}

.hero .badge {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .3rem .75rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   Calculator Card
   -------------------------------------------------------------------------- */

.calc-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin: 2rem 0;
}

.calc-card-header {
  background: var(--navy);
  color: var(--white);
  padding: 1.25rem 1.75rem;
}

.calc-card-header h2 {
  color: var(--white);
  margin: 0;
  font-size: 1.2rem;
}

.calc-card-header p {
  color: var(--gray-200);
  font-size: .9rem;
  margin: .25rem 0 0;
}

.calc-body {
  padding: 1.75rem;
}

/* --------------------------------------------------------------------------
   Appliance Categories & Grid
   -------------------------------------------------------------------------- */

.appliance-category {
  margin-bottom: 1.5rem;
}

.category-heading {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-400);
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: .4rem;
  margin-bottom: .75rem;
}

.appliance-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .4rem;
}

@media (min-width: 600px) {
  .appliance-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.appliance-item {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .55rem .75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background .12s, border-color .12s;
  user-select: none;
}

.appliance-item:hover {
  background: var(--gray-100);
}

.appliance-item:has(input:checked) {
  background: #fff7ed;
  border-color: var(--orange);
}

.appliance-item input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--orange);
  flex-shrink: 0;
  cursor: pointer;
}

.appliance-name {
  flex: 1;
  font-size: .9rem;
  color: var(--gray-800);
}

.appliance-watts {
  font-size: .8rem;
  color: var(--gray-400);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Custom appliance items */
.custom-item {
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  margin-bottom: .35rem;
}
.custom-item:has(input:checked) {
  background: #fff7ed;
  border-color: var(--orange);
}

.custom-empty {
  color: var(--gray-400);
  font-size: .9rem;
  font-style: italic;
  margin: .5rem 0;
}

.btn-remove {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: .1rem .3rem;
  border-radius: 3px;
  transition: color .15s, background .15s;
}
.btn-remove:hover {
  color: var(--red);
  background: #fee2e2;
}

/* --------------------------------------------------------------------------
   Custom Appliance Input Form
   -------------------------------------------------------------------------- */

.custom-form {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1.25rem;
}

.custom-form h3 {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: var(--navy);
}

.custom-form-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: .6rem;
}

@media (min-width: 500px) {
  .custom-form-fields {
    grid-template-columns: 2fr 1fr 1fr auto;
    align-items: end;
  }
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.field-group label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-600);
}

.field-group input {
  padding: .55rem .75rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-family: var(--font);
  background: var(--white);
  transition: border-color .15s;
  width: 100%;
}

.field-group input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(249,115,22,.15);
}

.field-group input.input-error {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(220,38,38,.15);
}

.field-error {
  font-size: .78rem;
  color: var(--red);
  margin-top: .2rem;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: .6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  text-align: center;
  transition: background .15s, transform .1s, box-shadow .15s;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(249,115,22,.35);
}
.btn-primary:hover {
  background: var(--orange-dk);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(249,115,22,.45);
}

.btn-secondary {
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  background: var(--navy-light);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--orange);
  border: 2px solid var(--orange);
}
.btn-outline:hover {
  background: var(--orange);
  color: var(--white);
}

.btn-affiliate {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  padding: .55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background .15s, box-shadow .15s;
  box-shadow: 0 2px 8px rgba(249,115,22,.3);
}
.btn-affiliate:hover {
  background: var(--orange-dk);
  color: var(--white);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(249,115,22,.4);
}

/* --------------------------------------------------------------------------
   Results Box
   -------------------------------------------------------------------------- */

.results-area {
  margin-top: 2rem;
}

.results-placeholder {
  background: var(--gray-100);
  border: 2px dashed var(--gray-200);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--gray-400);
  font-size: .95rem;
}

.results-box {
  background: var(--green-light);
  border: 2px solid var(--green);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  animation: fadeIn .3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 500px) {
  .results-grid { grid-template-columns: 1fr; }
}

.result-stat {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.result-stat .stat-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.result-stat .stat-label {
  font-size: .78rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-top: .2rem;
}

.res-headline {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 1.5rem;
  padding: .75rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 2px solid var(--green);
}

.products-heading {
  color: var(--navy);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--gray-200);
}

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: .75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.product-name {
  font-weight: 700;
  font-size: .95rem;
  color: var(--navy);
}

.product-desc {
  font-size: .88rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.hidden { display: none !important; }

/* --------------------------------------------------------------------------
   Info Section (running vs starting explanation)
   -------------------------------------------------------------------------- */

.info-section {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  margin: 2rem 0;
}

.info-section h2 {
  margin-bottom: 1rem;
}

.info-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}

@media (min-width: 600px) {
  .info-cards { grid-template-columns: 1fr 1fr; }
}

.info-card {
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}

.info-card.running {
  background: #eff6ff;
  border-left: 4px solid #3b82f6;
}

.info-card.starting {
  background: #fff7ed;
  border-left: 4px solid var(--orange);
}

.info-card h3 {
  font-size: .95rem;
  margin-bottom: .5rem;
  color: var(--navy);
}

.info-card p {
  font-size: .88rem;
  color: var(--gray-600);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Internal Links / Nav Cards
   -------------------------------------------------------------------------- */

.link-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

@media (min-width: 600px) {
  .link-cards { grid-template-columns: 1fr 1fr; }
}

.link-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-decoration: none;
  transition: border-color .15s, box-shadow .15s, transform .15s;
  display: block;
}

.link-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  text-decoration: none;
}

.link-card .link-card-icon {
  font-size: 1.75rem;
  margin-bottom: .5rem;
}

.link-card .link-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .35rem;
}

.link-card .link-card-desc {
  font-size: .85rem;
  color: var(--gray-600);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Wattage Chart Table
   -------------------------------------------------------------------------- */

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 1.5rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  background: var(--white);
}

thead {
  background: var(--navy);
  color: var(--white);
}

thead th {
  padding: .85rem 1rem;
  text-align: left;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.category-row td {
  background: var(--gray-100);
  color: var(--navy);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .55rem 1rem;
}

tbody tr:not(.category-row) td {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-800);
}

tbody tr:not(.category-row):last-child td {
  border-bottom: none;
}

tbody tr:not(.category-row):hover td {
  background: var(--gray-50);
}

td.watts {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}

td.notes {
  font-size: .82rem;
  color: var(--gray-600);
}

/* --------------------------------------------------------------------------
   Generator Roundup / Affiliate Cards
   -------------------------------------------------------------------------- */

.gen-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

@media (min-width: 700px) {
  .gen-cards { grid-template-columns: 1fr 1fr; }
}

.gen-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.gen-card-header {
  background: var(--navy);
  color: var(--white);
  padding: .9rem 1.25rem;
}

.gen-card-header .gen-tier {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--orange);
  margin-bottom: .2rem;
}

.gen-card-header h3 {
  color: var(--white);
  font-size: 1rem;
  margin: 0;
}

.gen-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.gen-specs {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.gen-spec-tag {
  background: var(--gray-100);
  color: var(--navy);
  font-size: .78rem;
  font-weight: 600;
  padding: .25rem .65rem;
  border-radius: 20px;
  white-space: nowrap;
}

.gen-card-body p {
  font-size: .9rem;
  color: var(--gray-600);
  margin: 0;
}

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  font-size: .85rem;
}

.pros h4, .cons h4 {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .4rem;
}

.pros h4 { color: var(--green); }
.cons h4 { color: var(--red); }

.pros ul, .cons ul {
  margin: 0;
  padding-left: 1.1rem;
  list-style: disc;
}

.pros li, .cons li {
  font-size: .82rem;
  color: var(--gray-600);
  margin-bottom: .25rem;
}

.gen-card-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--gray-200);
}

/* --------------------------------------------------------------------------
   Step Guide (how-to page)
   -------------------------------------------------------------------------- */

.steps {
  counter-reset: step-counter;
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.step-item {
  counter-increment: step-counter;
  position: relative;
  padding-left: 3.5rem;
  margin-bottom: 2rem;
}

.step-item::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--orange);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(249,115,22,.35);
}

.step-item h3 {
  font-size: 1.05rem;
  margin-bottom: .5rem;
  color: var(--navy);
  padding-top: .25rem;
}

.step-item p, .step-item ul {
  font-size: .95rem;
  color: var(--gray-600);
}

/* --------------------------------------------------------------------------
   Example Box
   -------------------------------------------------------------------------- */

.example-box {
  background: #eff6ff;
  border-left: 4px solid #3b82f6;
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.example-box h4 {
  color: #1d4ed8;
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .75rem;
}

.example-box table {
  box-shadow: none;
  border-radius: 0;
  font-size: .88rem;
}

.example-box td, .example-box th {
  padding: .4rem .75rem;
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */

.faq-list {
  margin: 1.5rem 0;
}

.faq-item {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: .75rem;
  overflow: hidden;
}

.faq-question {
  background: var(--gray-50);
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: .95rem;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--orange);
  font-weight: 400;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-answer {
  display: none;
  padding: 1rem 1.25rem;
  font-size: .92rem;
  color: var(--gray-600);
  border-top: 1px solid var(--gray-200);
}

.faq-item.open .faq-answer {
  display: block;
}

/* --------------------------------------------------------------------------
   CTA Banner
   -------------------------------------------------------------------------- */

.cta-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-light) 100%);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  text-align: center;
  margin: 2.5rem 0;
  color: var(--white);
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: .75rem;
}

.cta-banner p {
  color: var(--gray-200);
  margin-bottom: 1.25rem;
  font-size: .95rem;
}

/* --------------------------------------------------------------------------
   Affiliate Disclaimer
   -------------------------------------------------------------------------- */

.affiliate-note {
  font-size: .8rem;
  color: var(--gray-400);
  font-style: italic;
  border-top: 1px solid var(--gray-200);
  padding-top: .75rem;
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--navy-dark);
  color: var(--gray-400);
  padding: 2rem 1.5rem;
  margin-top: 3rem;
  font-size: .85rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  margin-bottom: 1rem;
  padding: 0;
}

.footer-nav a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: .85rem;
}
.footer-nav a:hover { color: var(--orange); text-decoration: none; }

.footer-copy {
  color: var(--gray-600);
  font-size: .8rem;
}

/* --------------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------------- */

.text-center { text-align: center; }
.mt-1  { margin-top: .5rem; }
.mt-2  { margin-top: 1rem; }
.mt-3  { margin-top: 1.5rem; }
.mb-2  { margin-bottom: 1rem; }
.mb-3  { margin-bottom: 1.5rem; }

.page-title-section {
  background: var(--navy);
  color: var(--white);
  padding: 2.5rem 1.5rem;
}

.page-title-section h1 {
  color: var(--white);
  max-width: 800px;
  margin: 0 auto .5rem;
}

.page-title-section .page-subtitle {
  color: var(--gray-300, #d1d5db);
  font-size: 1rem;
  max-width: 700px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: .82rem;
  color: var(--gray-400);
  margin-bottom: .75rem;
}

.breadcrumb a {
  color: var(--orange);
}

.highlight-box {
  background: #fff7ed;
  border: 2px solid var(--orange);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.highlight-box p {
  margin: 0;
  color: var(--gray-800);
  font-size: .95rem;
}

/* --------------------------------------------------------------------------
   AdSense Placeholder (hidden visually but preserved in DOM)
   -------------------------------------------------------------------------- */

.adsense-slot {
  min-height: 90px;
  background: var(--gray-100);
  border: 1px dashed var(--gray-200);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: .78rem;
  margin: 1.5rem 0;
}

/* --------------------------------------------------------------------------
   Responsive tweaks
   -------------------------------------------------------------------------- */

@media (max-width: 480px) {
  .calc-body { padding: 1.25rem; }
  .results-box { padding: 1.25rem; }
  .gen-card-header, .gen-card-body, .gen-card-footer { padding: 1rem; }
  .link-card { padding: 1rem; }
}