:root {
  --bg-color: #ffffff;
  --text-primary: #111111;
  --text-secondary: #555555;
  --card-bg: #f7f9fa;
  --card-border: #e1e4e6;
  --accent-green: #00875a;
  --accent-green-dark: #00664a;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --radius: 0.5rem;
  --max-width: 72rem;
  --thumb-ratio: 1200 / 675;
  --grid-columns-mobile: 1;
  --grid-columns-tablet: 2;
  --grid-columns-desktop: 3;
  --ad-slot-height: 250px;
  --accent-pink: #e5007a;
}

:root[data-theme="dark"] {
  --bg-color: #121212;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --card-bg: #1c1c1e;
  --card-border: #2c2c2e;
  --accent-green: #30d158;
  --accent-green-dark: #059669;
  --accent-pink: #ff4fa3;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --accent-pink: #ff4fa3;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg-color);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

a {
  color: var(--accent-green);
  text-decoration: none;
}

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

.site-header {
  border-bottom: 1px solid var(--card-border);
  background: var(--card-bg);
}

.site-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  gap: var(--space-3);
}

.site-nav .brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.brand__logo {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
}

.site-nav__links {
  list-style: none;
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-2) 0 0;
  width: 100%;
  order: 3;
}

.site-nav.is-open .site-nav__links {
  display: flex;
}

.site-nav a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent-green);
}

.theme-toggle,
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.theme-toggle {
  margin-left: auto;
}

.theme-toggle:hover,
.theme-toggle:focus-visible,
.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--accent-green);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3);
}

.splash {
  padding: var(--space-4) var(--space-2);
  text-align: center;
}

.splash h1 {
  font-size: 1.75rem;
  margin-bottom: var(--space-2);
}

.splash p {
  color: var(--text-secondary);
  max-width: 36rem;
  margin: 0 auto;
}

.article-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.article-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.article-card a {
  display: block;
  padding: var(--space-3);
  color: inherit;
}

.article-card h2 {
  margin: 0 0 var(--space-1);
  font-size: 1.15rem;
  color: var(--text-primary);
}

.article-card p {
  margin: 0 0 var(--space-1);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.article-card time {
  color: var(--accent-green-dark);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.article-header {
  border-bottom: 1px solid var(--card-border);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
}

.article-silo {
  color: var(--accent-green);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin: 0 0 var(--space-1);
}

.article-silo a {
  color: inherit;
  text-decoration: none;
}

.article-silo a:hover,
.article-silo a:focus-visible {
  text-decoration: underline;
}

.article-header h1 {
  font-size: 1.75rem;
  margin: 0 0 var(--space-1);
}

.article-description {
  color: var(--text-secondary);
  margin: 0 0 var(--space-1);
}

.article-header time {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.article-body {
  font-size: 1.05rem;
}

.article-body p {
  margin: 0 0 var(--space-2);
}

.article-body h2,
.article-body h3 {
  margin: var(--space-4) 0 var(--space-2);
}

.article-body ul,
.article-body ol {
  margin: 0 0 var(--space-2);
  padding-left: 1.5em;
}

.article-body li {
  margin: 0 0 0.35em;
}

/* Quill saves list items as <li data-list="bullet|checked|unchecked|ordered">
   with a leading .ql-ui marker span instead of relying on native list-style.
   Bullet and ordered items can share a single <ol> container, so native
   browser numbering can't be trusted for data-list="ordered" (it would count
   the interleaved bullet items too) - an explicit counter scoped to just
   that attribute is used instead, matching Quill's own editor CSS. */
.article-body ol {
  counter-reset: article-ordered;
}

.article-body li[data-list] {
  list-style: none;
  position: relative;
  padding-left: 1.5em;
  margin-left: -1.5em;
}

.article-body li[data-list] > .ql-ui {
  position: absolute;
  left: -1.5em;
  width: 1.2em;
  text-align: right;
}

.article-body li[data-list="bullet"] > .ql-ui::before {
  content: "\2022";
}

.article-body li[data-list="checked"] > .ql-ui::before {
  content: "\2611";
  color: var(--text-secondary);
}

.article-body li[data-list="unchecked"] > .ql-ui::before {
  content: "\2610";
  color: var(--text-secondary);
}

.article-body li[data-list="ordered"] {
  counter-increment: article-ordered;
}

.article-body li[data-list="ordered"] > .ql-ui::before {
  content: counter(article-ordered) ". ";
}

.article-body li.ql-indent-1 {
  padding-left: 3em;
}

.article-body li.ql-indent-2 {
  padding-left: 4.5em;
}

.article-body li.ql-indent-3 {
  padding-left: 6em;
}

/* quill-table-better persists an internal insert-affordance placeholder
   (<temporary class="ql-table-temporary">) inside every table it renders.
   It's invalid table content, so browsers foster-parent it out to just
   before the <table> — hide it so it doesn't leave a stray blank line. */
.article-body .ql-table-temporary {
  display: none;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 var(--space-3);
  font-size: 0.95rem;
}

.article-body th,
.article-body td {
  border: 1px solid var(--card-border);
  padding: var(--space-1);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  background: var(--card-bg);
  font-weight: 700;
}

.ad-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: var(--ad-slot-height);
  min-height: var(--ad-slot-height);
  background: var(--card-bg);
  border: 1px dashed var(--card-border);
  border-radius: var(--radius);
  margin: var(--space-3) 0;
  contain: layout size;
}

.ad-slot__label {
  color: var(--text-secondary);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}

.ad-slot--in-article,
.ad-slot--silo {
  height: var(--ad-slot-height);
  min-height: var(--ad-slot-height);
}

.ad-slot--amazon {
  border-style: dashed;
}

.ad-slot--amazon-card {
  height: 250px;
  min-height: 250px;
}

.ad-slot--amazon-leaderboard {
  height: 90px;
  min-height: 90px;
}

.ad-slot__unit {
  width: 100%;
  height: 100%;
}

.ad-slot__unit iframe {
  max-width: 100%;
  border: 0;
}

/* Affiliate banners: fixed min-heights keep CLS at 0 while units load asynchronously. */
.affiliate-banner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--accent-green);
  border-radius: var(--radius);
  padding: var(--space-3);
  contain: layout size;
}

.affiliate-banner__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.affiliate-banner__icon {
  flex-shrink: 0;
  width: 0.85em;
  height: 0.85em;
  color: var(--accent-pink);
}

.affiliate-banner__headline {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  max-width: 40rem;
}

.affiliate-banner__subtext {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.affiliate-banner__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  padding: 0.65rem 1.4rem;
  background: var(--accent-green);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease-in-out;
}

.affiliate-banner__cta:hover,
.affiliate-banner__cta:focus-visible {
  background: var(--accent-green-dark);
  text-decoration: none;
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 10px rgba(0, 135, 90, 0.25);
}

.affiliate-banner__cta:focus-visible {
  outline: 2px solid var(--accent-pink);
  outline-offset: 2px;
}

.affiliate-banner__cta:active {
  transform: translateY(0) scale(0.98);
  transition: all 0.05s ease-in-out;
}

.affiliate-banner--leaderboard {
  min-height: 90px;
  justify-content: center;
  border-left: 4px solid var(--accent-pink);
  margin-bottom: var(--space-4);
}

.affiliate-banner--widget {
  min-height: 250px;
  justify-content: center;
  border-left: none;
  border-top: 4px solid var(--accent-green);
  margin: var(--space-4) 0;
}

.affiliate-banner--widget .affiliate-banner__headline {
  font-size: 1.15rem;
}

@media (min-width: 40rem) {
  .affiliate-banner--leaderboard {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .affiliate-banner--leaderboard .affiliate-banner__inner {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .affiliate-banner--leaderboard .affiliate-banner__cta {
    flex-shrink: 0;
  }
}

/* Article two-column layout: main content + sidebar, collapsing to a single
   stacked column below the desktop breakpoint. Sidebar is fixed-width and
   top-aligned so it never stretches to match main-column height. */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.article-layout__main {
  min-width: 0;
}

.article-layout__sidebar {
  min-width: 0;
}

/* Tesla referral widget: fixed min-height + contained box model keeps CLS
   at 0 as the surrounding article content and ads initialize. */
.tesla-referral-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-left: 4px solid #cc0000;
  border-radius: var(--radius);
  padding: var(--space-3);
  min-height: 14rem;
  contain: layout size;
}

.tesla-referral-box__eyebrow {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tesla-referral-box__headline {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.15rem;
  font-weight: 600;
}

.tesla-referral-box__subtext {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.tesla-referral-box__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  margin-top: auto;
  padding: 0.65rem 1.4rem;
  background: var(--text-primary);
  color: var(--bg-color);
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1;
  border-radius: 999px;
  white-space: nowrap;
  transition: all 0.2s ease-in-out;
}

.tesla-referral-box__cta:hover,
.tesla-referral-box__cta:focus-visible {
  text-decoration: none;
  transform: translateY(-1px);
}

.tesla-referral-box__cta:focus-visible {
  outline: 2px solid #cc0000;
  outline-offset: 2px;
}

.empty-state {
  color: var(--text-secondary);
  padding: var(--space-3) 0;
}

.hero {
  padding: var(--space-4) 0 var(--space-3);
  border-bottom: 1px solid var(--card-border);
  margin-bottom: var(--space-3);
}

.hero h1 {
  font-size: 1.9rem;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  max-width: 48rem;
}

.hero p {
  color: var(--text-secondary);
  max-width: 40rem;
  margin: 0;
  font-size: 1.05rem;
}

.tariff-tracker {
  margin-bottom: var(--space-4);
}

.tariff-tracker h2 {
  margin: 0 0 var(--space-2);
  font-size: 1.35rem;
}

.tariff-tracker__notice {
  margin: var(--space-2) 0 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.table-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tariff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.4;
}

.tariff-table th,
.tariff-table td {
  padding: var(--space-2);
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

.tariff-table__num {
  text-align: right;
}

.tariff-badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.5rem;
  background: var(--accent-green);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: 999px;
  white-space: nowrap;
}

/* Mobile-first: below the 768px desktop breakpoint the table collapses
   into single-column stacked cards (thead hidden, each td a labelled
   flex row) instead of a horizontally scrolling grid, so every rate
   stays readable without side-scrolling on a phone. */
@media (max-width: 47.9375rem) {
  .tariff-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }

  .tariff-table,
  .tariff-table tbody,
  .tariff-table tr,
  .tariff-table td {
    display: block;
    width: 100%;
  }

  .tariff-table tr {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    margin-bottom: var(--space-2);
    padding: var(--space-1) var(--space-2);
  }

  .tariff-table td {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-2);
    text-align: right;
    border-bottom: 1px solid var(--card-border);
    padding: var(--space-1) 0;
  }

  .tariff-table td:last-child {
    border-bottom: 0;
  }

  .tariff-table td::before {
    content: attr(data-label);
    color: var(--text-secondary);
    font-weight: 600;
    text-align: left;
    flex-shrink: 0;
  }
}

/* Desktop: standard table with alternating row striping for scannability. */
@media (min-width: 48rem) {
  .tariff-table tbody tr:nth-child(even) {
    background: var(--card-bg);
  }

  .tariff-table thead th {
    border-bottom: 2px solid var(--card-border);
  }
}

.silo-columns {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns-mobile), 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.silo-column {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.silo-column h2 {
  margin: 0 0 var(--space-2);
  font-size: 1.1rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: var(--space-1);
}

.silo-column h2 a {
  color: var(--text-primary);
}

.silo-column__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.silo-column__list li {
  min-height: 3.5rem;
}

.silo-column__list a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  color: inherit;
}

.silo-column__title {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.silo-column__desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.silo-column__empty {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.latest-insights h2 {
  margin: 0 0 var(--space-2);
  font-size: 1.35rem;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns-mobile), 1fr);
  gap: var(--space-3);
}

.post-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.post-card a {
  display: block;
  color: inherit;
}

.post-card__thumb {
  width: 100%;
  aspect-ratio: var(--thumb-ratio);
  background: var(--bg-color);
}

.post-card__body {
  padding: var(--space-3);
}

.post-card__silo {
  color: var(--accent-green);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.post-card__body h3 {
  margin: var(--space-1) 0;
  font-size: 1.05rem;
}

.post-card__body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0 0 var(--space-1);
}

.post-card__body time {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.breadcrumbs {
  margin-bottom: var(--space-3);
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: "›";
  color: var(--text-secondary);
}

.breadcrumbs a {
  color: var(--text-secondary);
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: var(--accent-green);
}

.silo-header {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--card-border);
  margin-bottom: var(--space-3);
}

.silo-header h1 {
  font-size: 1.75rem;
  margin: 0 0 var(--space-1);
}

.silo-header p {
  color: var(--text-secondary);
  margin: 0;
  max-width: 40rem;
}

.pillar-lead {
  margin-bottom: var(--space-4);
}

.pillar-lead h2 {
  font-size: 1.2rem;
  margin: 0 0 var(--space-2);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns-mobile), 1fr);
  gap: var(--space-3);
}

.pillar-card {
  background: var(--card-bg);
  border: 1px solid var(--accent-green-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

.pillar-card a {
  display: block;
  color: inherit;
}

.pillar-card__thumb {
  width: 100%;
  aspect-ratio: var(--thumb-ratio);
  background: var(--bg-color);
}

.pillar-card__body {
  padding: var(--space-3);
}

.pillar-card__eyebrow {
  display: inline-block;
  color: var(--bg-color);
  background: var(--accent-green);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  margin-bottom: var(--space-1);
}

.pillar-card__body h3 {
  margin: var(--space-1) 0;
  font-size: 1.1rem;
}

.pillar-card__body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.topic-cluster {
  margin-bottom: var(--space-4);
}

.topic-cluster h2 {
  font-size: 1.1rem;
  margin: 0 0 var(--space-2);
  color: var(--accent-green);
}

.topic-cluster__grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns-mobile), 1fr);
  gap: var(--space-2);
}

.topic-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  min-height: 8rem;
}

.topic-card a {
  display: block;
  padding: var(--space-2);
  color: inherit;
}

.topic-card h3 {
  margin: 0 0 var(--space-1);
  font-size: 1rem;
}

.topic-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 0 0 var(--space-1);
}

.topic-card time {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.site-footer {
  border-top: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 0.8rem;
  padding: var(--space-3);
}

.site-footer p {
  max-width: var(--max-width);
  margin: 0 auto var(--space-1);
}

.site-footer a {
  color: var(--text-secondary);
  text-decoration: underline;
}

@media (min-width: 40rem) {
  .site-nav__links {
    display: flex;
    flex-direction: row;
    width: auto;
    margin-left: auto;
    padding: 0;
    order: 0;
  }

  .theme-toggle {
    margin-left: 0;
  }

  .nav-toggle {
    display: none;
  }

  .article-grid,
  .post-grid,
  .pillar-grid,
  .topic-cluster__grid {
    grid-template-columns: repeat(var(--grid-columns-tablet), 1fr);
  }

  .hero h1 {
    font-size: 2.25rem;
  }
}

@media (min-width: 64rem) {
  .article-grid,
  .post-grid {
    grid-template-columns: repeat(var(--grid-columns-desktop), 1fr);
  }

  .silo-columns {
    grid-template-columns: repeat(var(--grid-columns-desktop), 1fr);
  }

  .topic-cluster__grid {
    grid-template-columns: repeat(var(--grid-columns-desktop), 1fr);
  }

  .article-layout {
    grid-template-columns: minmax(0, 1fr) 20rem;
  }
}