:root {
  --green: #5a9100;
  --green-bright: #6bad00;
  --green-dark: #46700a;
  --bg: #f3f7ec;
  --bg-alt: #e9f0dc;
  --card-bg: #ffffff;
  --card-bg-raised: #eef4e4;
  --ink: #202b16;
  --muted: #5f6b52;
  --border: #dde6cf;
  --tag-bg: #fdf1cf;
  --tag-ink: #8a6a12;
  --glow: rgba(90, 145, 0, 0.14);
  --header-bg: rgba(243, 247, 236, 0.9);
  --error-bg: #fdeceb;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --green: #76b900;
    --green-bright: #96e000;
    --green-dark: #5a8c00;
    --bg: #08090a;
    --bg-alt: #101210;
    --card-bg: #14171a;
    --card-bg-raised: #1a1e1a;
    --ink: #f1f4ee;
    --muted: #a3ab9c;
    --border: #262b26;
    --tag-bg: #3a3006;
    --tag-ink: #f0c94a;
    --glow: rgba(118, 185, 0, 0.35);
    --header-bg: rgba(8, 9, 10, 0.85);
    --error-bg: #241110;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --green: #76b900;
  --green-bright: #96e000;
  --green-dark: #5a8c00;
  --bg: #08090a;
  --bg-alt: #101210;
  --card-bg: #14171a;
  --card-bg-raised: #1a1e1a;
  --ink: #f1f4ee;
  --muted: #a3ab9c;
  --border: #262b26;
  --tag-bg: #3a3006;
  --tag-ink: #f0c94a;
  --glow: rgba(118, 185, 0, 0.35);
  --header-bg: rgba(8, 9, 10, 0.85);
  --error-bg: #241110;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --green: #5a9100;
  --green-bright: #6bad00;
  --green-dark: #46700a;
  --bg: #f3f7ec;
  --bg-alt: #e9f0dc;
  --card-bg: #ffffff;
  --card-bg-raised: #eef4e4;
  --ink: #202b16;
  --muted: #5f6b52;
  --border: #dde6cf;
  --tag-bg: #fdf1cf;
  --tag-ink: #8a6a12;
  --glow: rgba(90, 145, 0, 0.14);
  --header-bg: rgba(243, 247, 236, 0.9);
  --error-bg: #fdeceb;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--green-bright); transition: color 0.15s; }
a:hover { color: var(--green); }

/* ---------- header / nav ---------- */
.site-header {
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}
.site-header .brand {
  color: var(--ink);
  font-weight: 800;
  font-size: 1.2rem;
  text-decoration: none;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
}
.site-header .brand::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  margin-right: 10px;
  box-shadow: 0 0 12px 3px var(--glow);
}
.site-header nav { display: flex; flex-wrap: wrap; gap: 2px; }
.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 7px 13px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.site-header nav a:hover { background: var(--card-bg-raised); color: var(--ink); }
.header-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card-bg-raised);
  color: var(--ink);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
  transition: border-color 0.15s, transform 0.12s;
}
.theme-toggle:hover { border-color: var(--green); transform: translateY(-1px); }

main.wrap { padding: 44px 20px 70px; }

h1 { margin-top: 0.1em; letter-spacing: -0.02em; }
h2 { letter-spacing: -0.01em; }

.lede { font-size: 1.12rem; color: var(--muted); max-width: 70ch; }
.note { font-size: 0.92rem; color: var(--muted); }
.source-note { font-size: 0.85rem; color: var(--muted); font-style: italic; }
.note-para {
  font-size: 0.94rem;
  line-height: 1.65;
  color: color-mix(in srgb, var(--ink) 55%, var(--muted) 45%);
  margin: 0 0 12px;
}
.note-para:last-child { margin-bottom: 0; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 48px 0 34px;
  overflow: visible;
}
.hero::before {
  content: "";
  position: absolute;
  top: -140px;
  left: -120px;
  width: 520px;
  height: 420px;
  background: radial-gradient(circle, var(--glow), transparent 65%);
  filter: blur(10px);
  z-index: -1;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -160px;
  width: 420px;
  height: 380px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05), transparent 70%);
  filter: blur(10px);
  z-index: -1;
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  background: linear-gradient(135deg, var(--ink) 25%, var(--green-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-actions { margin-top: 24px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--card-bg-raised);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.12s ease, border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.btn:hover { border-color: var(--green); transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.96); transition-duration: 0.05s; }
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-color: var(--green);
  color: #06110b;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--green-bright), var(--green));
  box-shadow: 0 8px 24px -8px var(--glow);
}

/* ---------- layout helpers ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 26px 0; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 26px;
  margin: 20px 0;
  transition: border-color 0.15s;
}
.error-card { border-color: #c9524a; background: var(--error-bg); }

/* ---------- advisor callout ---------- */
.advisor-callout {
  border-color: var(--green-dark);
  background: linear-gradient(135deg, rgba(90, 145, 0, 0.08), var(--card-bg) 60%);
  position: relative;
}
.advisor-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #06110b;
  background: var(--green-bright);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.advisor-line { font-size: 1.08rem; margin: 6px 0 0; }

/* ---------- models / chips ---------- */
.model-strip { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.model-chip {
  border: 1px solid var(--border);
  background: var(--card-bg-raised);
  border-radius: 12px;
  padding: 14px 18px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.model-chip:hover { border-color: var(--green); transform: translateY(-3px); box-shadow: 0 10px 26px -14px var(--glow); }
.model-chip-text { display: flex; flex-direction: column; min-width: 0; }
.model-chip-meta { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }

/* ---------- model icons ---------- */
.model-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  flex-shrink: 0;
  padding: 7px;
}
.model-icon img { width: 100%; height: 100%; display: block; object-fit: contain; }
.model-icon-md { width: 38px; height: 38px; }
.model-icon-lg { width: 54px; height: 54px; border-radius: 14px; padding: 9px; }
.model-icon svg { width: 100%; height: 100%; display: block; }

.model-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.model-card-head h2 { margin: 0; }

.model-detail-head { display: flex; align-items: center; gap: 16px; }
.model-detail-head h1 { margin: 0; }
@media (max-width: 560px) { .model-detail-head { gap: 12px; } }

/* ---------- product cards ---------- */
.range-strip { display: flex; gap: 14px; margin: 4px 0 16px; }
.range-strip-single .range-image { width: 100%; }
.range-image {
  width: 50%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
}

.product-grid, .model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
  margin-top: 22px;
}
.product-card, .model-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: var(--ink);
  display: block;
  overflow: hidden;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}
.product-card:hover, .model-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px -16px var(--glow);
}
.model-card { padding: 18px 20px; }

.product-card-media { aspect-ratio: 16 / 10; background: var(--card-bg); overflow: hidden; }
.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  box-sizing: border-box;
  padding: 10px;
  background: var(--card-bg);
  transition: transform 0.4s ease;
}
.product-card:hover .product-image { transform: scale(1.04); }
.product-card-body { padding: 16px 20px 20px; }

.product-category { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--green-bright); font-weight: 700; }
.tagline { color: var(--muted); font-size: 0.92rem; }
.product-facts { margin-top: 12px; font-size: 0.92rem; }
.product-facts div { margin-bottom: 5px; }

.tag {
  background: var(--tag-bg);
  color: var(--tag-ink);
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 6px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ---------- product detail ---------- */
.detail-hero {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 8px;
}
.detail-hero-media { border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: var(--card-bg); }
.detail-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  box-sizing: border-box;
  padding: 14px;
  background: var(--card-bg);
}
@media (max-width: 700px) { .detail-hero { grid-template-columns: 1fr; } }

.stock-line { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 14px; font-size: 0.92rem; }
.stock-badge { display: inline-flex; align-items: center; gap: 7px; color: var(--green-bright); font-weight: 700; }
.stock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-bright);
  box-shadow: 0 0 8px 2px var(--glow);
  display: inline-block;
}
.ships-from { color: var(--muted); }

/* ---------- CSS-only tabs ---------- */
.tabs { margin: 28px 0; }
.tab-input { position: absolute; opacity: 0; pointer-events: none; }
.tab-labels {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
}
.tab-label {
  padding: 10px 4px;
  margin-right: 20px;
  cursor: pointer;
  color: var(--muted);
  font-weight: 700;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.tab-label:hover { color: var(--ink); }
.tab-panel { display: none; }
#tab-specs:checked ~ .tab-labels label[for="tab-specs"],
#tab-shipping:checked ~ .tab-labels label[for="tab-shipping"] {
  color: var(--green-bright);
  border-color: var(--green);
}
#tab-specs:checked ~ #panel-specs { display: block; }
#tab-shipping:checked ~ #panel-shipping { display: block; }

.fit-list { list-style: none; padding: 0; margin: 14px 0; display: flex; flex-direction: column; gap: 10px; }
.fit-list li {
  background: var(--card-bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.95rem;
}
.fit-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 999px;
  margin-right: 8px;
}
.fit-good { background: rgba(90, 145, 0, 0.18); color: var(--green-bright); }
.fit-ok { background: rgba(240, 201, 74, 0.18); color: var(--tag-ink); }
.fit-no { background: #e7ebe0; color: var(--muted); }

/* ---------- inline quote-request form ---------- */
.inline-quote {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}
.inline-quote h3 { margin-bottom: 4px; }
.inline-quote-form { margin-top: 10px; max-width: none; }
.inline-quote-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
}
.inline-quote-row input {
  flex: 1 1 200px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--ink);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}
.inline-quote-row input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(90, 145, 0, 0.18);
}
.inline-quote-row button { flex: 0 0 auto; margin-top: 0; }
@media (max-width: 560px) {
  .inline-quote-row { flex-direction: column; }
  .inline-quote-row button { width: 100%; }
}

/* ---------- build cards (model/guide/configurator) ---------- */
.build-card-layout {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 20px;
  align-items: center;
  margin: 14px 0;
}
.build-card-layout .build-image { order: 2; }
.build-card-layout > div { order: 1; }
.build-image {
  width: 200px;
  height: 150px;
  object-fit: cover;
  display: block;
  box-sizing: border-box;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-bg);
}
@media (max-width: 600px) {
  .build-card-layout { grid-template-columns: 1fr; }
  .build-image { width: 100%; height: auto; aspect-ratio: 4 / 3; }
}

.compare-layout { grid-template-columns: 1fr 1fr; align-items: start; }
.compare-item { display: flex; flex-direction: column; gap: 10px; }
@media (max-width: 600px) { .compare-layout { grid-template-columns: 1fr; } }

/* ---------- spec sheet ---------- */
.spec-sheet { margin: 18px 0; }
.spec-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 4px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.spec-label { font-weight: 700; }
.spec-value { font-size: 1.1rem; grid-column: 2; color: var(--ink); font-variant-numeric: tabular-nums; }
.spec-explain { grid-column: 2; color: var(--muted); font-size: 0.92rem; margin: 0; }
@media (max-width: 600px) {
  .spec-row { grid-template-columns: 1fr; }
  .spec-value, .spec-explain { grid-column: 1; }
}

/* ---------- power block ---------- */
.power-block {
  background: linear-gradient(135deg, rgba(90, 145, 0, 0.12), rgba(90, 145, 0, 0.03));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
}
.power-headline { font-size: 1.7rem; font-weight: 800; color: var(--green-bright); font-variant-numeric: tabular-nums; }
.power-compare { margin: 12px 0 0; padding-left: 20px; }
.power-compare li { margin-bottom: 8px; color: var(--muted); }

.math-block { border-left: 3px solid var(--green); }
.math-steps { margin: 16px 0; }
.math-step {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 8px;
  color: var(--ink);
}

/* ---------- count-up numbers ---------- */
.countup { font-variant-numeric: tabular-nums; }

/* ---------- forms ---------- */
.choice-form, .quote-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 480px;
  margin: 20px 0;
}
.choice-form label, .quote-form label { font-weight: 600; margin-top: 10px; }
.choice-form select, .quote-form input, .quote-form textarea {
  padding: 11px 12px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--ink);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}
.choice-form select:focus, .quote-form input:focus, .quote-form textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(90, 145, 0, 0.18);
}
.choice-form button, .quote-form button { margin-top: 16px; align-self: flex-start; }

.configurator-form { max-width: 560px; }
.configurator-result { position: relative; min-height: 40px; transition: opacity 0.15s; }
.configurator-result.is-loading { opacity: 0.5; }

/* ---------- compare page ---------- */
.compare-form { max-width: 100%; margin: 22px 0; }
.compare-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 700px) { .compare-columns { grid-template-columns: 1fr; } }
.compare-fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px 18px;
  background: var(--card-bg);
}
.compare-fieldset legend { font-weight: 700; padding: 0 6px; color: var(--green-bright); }
.checkbox-row { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: 0.94rem; }
.checkbox-row input { accent-color: var(--green); width: 16px; height: 16px; }

.table-scroll { overflow-x: auto; margin-top: 16px; }
.compare-table, .requests-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td,
.requests-table th, .requests-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  white-space: nowrap;
}
.compare-table td:first-child, .requests-table td:first-child { white-space: normal; }
.compare-table th, .requests-table th { color: var(--muted); font-weight: 700; }
.requests-table { margin-top: 16px; }

.featured-table td { vertical-align: middle; }
.featured-table tr:hover { background: var(--card-bg-raised); }
.featured-thumb {
  display: block;
  width: 96px;
  height: 60px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  transition: transform 0.15s;
}
.featured-table tr:hover .featured-thumb { transform: scale(1.05); }

/* ---------- homepage image carousel ---------- */
.image-carousel {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 16px;
  margin-top: 20px;
  -webkit-overflow-scrolling: touch;
}
.image-carousel::-webkit-scrollbar { height: 8px; }
.image-carousel::-webkit-scrollbar-track { background: transparent; }
.image-carousel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.carousel-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  width: 320px;
  display: block;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card-bg);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.carousel-item:hover {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: 0 14px 30px -16px var(--glow);
}
.carousel-photo {
  width: 320px;
  height: 240px;
  object-fit: cover;
  display: block;
  box-sizing: border-box;
  padding: 12px;
  background: var(--card-bg);
}
.carousel-caption {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  padding: 12px 14px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  min-height: 2.8em;
}
@media (max-width: 560px) {
  .carousel-item { width: 220px; }
  .carousel-photo { width: 220px; height: 165px; }
}

/* ---------- reviews ---------- */
.review-thanks { border-color: var(--green); background: rgba(90, 145, 0, 0.08); }
.review-list { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.review-card { margin: 0; }
.review-stars { color: var(--green-bright); font-size: 1.1rem; letter-spacing: 2px; }

.confirm-card { text-align: center; max-width: 560px; margin: 40px auto; }
.request-number { font-size: 1.3rem; color: var(--green-bright); }
blockquote {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 14px 18px;
  border-radius: 10px;
  margin: 16px 0;
}

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 50px; padding: 26px 0; }
.site-footer p { color: var(--muted); font-size: 0.85rem; max-width: 70ch; }
.site-footer .footer-links { margin-top: 8px; }
.site-footer .footer-links a { color: var(--muted); }
.site-footer .footer-links a:hover { color: var(--green-bright); }