/* 3D Printer Comparison - clean modern blue, phone-first */
:root {
  --blue: #1b5fad;
  --blue-deep: #0e3a72;
  --blue-bright: #2f7dd8;
  --blue-soft: #5b9ae8;
  --sky: #e8f1fb;
  --mist: #f4f8fd;
  --ink: #152033;
  --muted: #5a6b82;
  --line: #c9d7ea;
  --card: #ffffff;
  --warn: #b35a1a;
  --warn-bg: #fff1e6;
  --good: #0f5f9a;
  --good-bg: #e3f0fb;
  --caution-bg: #fff6e0;
  --shadow: 0 8px 28px rgba(14, 58, 114, 0.09);
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--mist);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-bright); }
a:hover { color: var(--blue-deep); }
code {
  font-size: 0.9em;
  background: var(--sky);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.wrap {
  width: min(960px, 100% - 1.5rem);
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* Tabs */
.tabs {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.65rem 0.75rem;
  background: rgba(244, 248, 253, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs button {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-weight: 650;
  font-size: 0.88rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}
.tabs button[aria-selected="true"] {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 2px 10px rgba(27, 95, 173, 0.28);
}
.tabs button:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 2px;
}

/* Panels */
.panel {
  padding: 1.5rem 0 2.5rem;
}
.panel[hidden] { display: none; }
.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  color: var(--blue-deep);
}
.panel h3 {
  margin: 0 0 0.4rem;
  font-size: 1.08rem;
  color: var(--ink);
}
.panel h4 {
  margin: 0.85rem 0 0.35rem;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.intro { margin: 0 0 1rem; color: var(--muted); }
.muted { color: var(--muted); font-size: 0.92rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  box-shadow: var(--shadow);
}
.card.highlight {
  border-color: var(--blue-soft);
  background: linear-gradient(180deg, #fff 0%, var(--good-bg) 100%);
}
.card ul, .card ol { margin: 0.4rem 0 0; padding-left: 1.15rem; }
.card li { margin: 0.25rem 0; }

.callout {
  background: var(--sky);
  border-left: 4px solid var(--blue-bright);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.1rem;
  margin: 0 0 1.25rem;
}
.callout ul { margin: 0.5rem 0; padding-left: 1.15rem; }
.warn-callout {
  background: var(--warn-bg);
  border-left-color: var(--warn);
}

/* Comparison table */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 0 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  min-width: 760px;
}
.compare th, .compare td {
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.compare thead th {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  position: sticky;
  top: 0;
}
.compare tbody th {
  background: var(--sky);
  font-weight: 650;
  width: 10.5rem;
}
.compare tbody th .why {
  display: block;
  margin-top: 0.28rem;
  font-weight: 500;
  font-size: 0.76rem;
  line-height: 1.35;
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
}
.compare tr:last-child th,
.compare tr:last-child td { border-bottom: none; }
.compare .good { background: var(--good-bg); }
.compare .caution { background: var(--caution-bg); }

.model-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
}
.model header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.45rem;
}
.model h3 { margin: 0; }
.tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--sky);
  color: var(--blue-deep);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}
.muted-tag { opacity: 0.85; }
.pick {
  border-color: var(--blue-soft);
  box-shadow: 0 8px 28px rgba(47, 125, 216, 0.18);
}
.pick-tag {
  background: var(--good-bg);
  color: var(--good);
}
.sources-line {
  font-size: 0.85rem;
  color: var(--muted);
}

.price-ish {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 0.5rem;
}

.open-q {
  margin: 0;
  padding-left: 1.2rem;
}
.open-q li { margin: 0.35rem 0; }

.site-foot {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0 2rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.site-foot p { margin: 0; }

@media (min-width: 700px) {
  .panel { padding-top: 1.85rem; }
}

/* Product photos */
.card.model {
  overflow: hidden;
  padding-top: 0;
  padding-left: 0;
  padding-right: 0;
}
.card.model > header,
.card.model > p,
.card.model > aside,
.card.model > ul {
  padding-left: 1.05rem;
  padding-right: 1.05rem;
}
.card.model > header {
  margin-top: 0.85rem;
}
.card.model > p:last-child,
.card.model > aside:last-child {
  padding-bottom: 0.15rem;
}
.card.model > p,
.card.model > aside {
  margin-left: 0;
  margin-right: 0;
}

.card-media {
  background: linear-gradient(180deg, #eef4fb 0%, #dce8f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 0.85rem 1.15rem;
  min-height: 170px;
  position: relative;
}
.card-media img {
  max-height: 200px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin: 0 auto;
  filter: drop-shadow(0 6px 16px rgba(14, 58, 114, 0.18));
}
.card-media .img-credit {
  position: absolute;
  bottom: 0.35rem;
  right: 0.5rem;
  font-size: 0.65rem;
  color: var(--muted);
  background: rgba(244, 248, 253, 0.92);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.compare-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 0 0 0.35rem;
}
.compare-shot {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  min-height: 200px;
  margin: 0;
  box-shadow: var(--shadow);
  background: linear-gradient(180deg, #eef4fb 0%, #dce8f7 100%);
}
.compare-shot img {
  max-height: 280px;
}
@media (max-width: 560px) {
  .compare-hero {
    grid-template-columns: 1fr;
  }
}

/* Tabs-first title bar (no green hero) */
body { padding-top: 0; }
.page-title-bar {
  padding: 0.85rem 0 0.35rem;
}
.page-title-bar h1 {
  margin: 0;
  font-size: clamp(1.25rem, 4vw, 1.65rem);
  color: var(--blue-deep);
}
.page-title-bar .sub {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  margin: 0 0 1.25rem;
}
.gallery-grid figure {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.gallery-grid img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  background: #e8f0fa;
}
.gallery-grid figcaption {
  padding: 0.45rem 0.6rem 0.65rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.budget-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.budget-table th, .budget-table td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--line);
}
.budget-table tr:last-child td {
  font-weight: 700;
  border-bottom: none;
}

.lean-banner {
  background: linear-gradient(180deg, #fff 0%, var(--good-bg) 100%);
  border: 1px solid #a8c8ef;
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 0 0 1.25rem;
  box-shadow: var(--shadow);
}
.lean-banner h3 { margin-top: 0; color: var(--good); }

.bf-note {
  background: var(--sky);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 0 0 1.25rem;
  box-shadow: var(--shadow);
}
.bf-note h3 { margin-top: 0; color: var(--blue-deep); }
.bf-targets {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-top: 0.65rem;
}
.bf-targets th, .bf-targets td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--line);
}
.bf-targets thead th {
  background: var(--blue-deep);
  color: #fff;
}
.bf-targets tr:last-child td { border-bottom: none; }

.usecase-block {
  margin: 0 0 1.5rem;
}
.usecase-block > h3 {
  margin-bottom: 0.55rem;
  color: var(--blue-deep);
}