/* Xtrallux Direct — brand styles (based on xtrallux.com branding) */
:root {
  --red: #d02130;
  --red-dark: #a3121f;
  --black: #0b0b0d;
  --charcoal: #141418;
  --card: #1b1b21;
  --border: #2a2a32;
  --white: #ffffff;
  --grey: #b9b9c2;
  --grey-dim: #83838e;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* Announcement bar */
.announce {
  background: var(--red);
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  padding: 8px 16px;
}

/* Header */
header.site {
  background: var(--black);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1140px;
  margin: 0 auto;
}
.logo { display: flex; align-items: baseline; gap: 8px; }
.logo .brand {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.logo .brand span { color: var(--red); }
.logo .tag { font-size: 11px; color: var(--grey-dim); text-transform: uppercase; letter-spacing: .12em; }
nav.links { display: flex; gap: 28px; font-size: 14px; font-weight: 500; }
nav.links a { color: var(--grey); transition: color .15s; }
nav.links a:hover, nav.links a.active { color: var(--white); }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 30px;
  border-radius: 6px;
  transition: background .15s, transform .15s;
  text-align: center;
}
.btn:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--white);
}
.btn.ghost:hover { border-color: var(--red); background: rgba(208,33,48,.08); }
.btn.amazon::after { content: " →"; }
.btn.sm { padding: 10px 20px; font-size: 14px; }

/* Hero */
.hero {
  padding: 90px 0 70px;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(208,33,48,.14), transparent),
    var(--black);
  text-align: center;
}
.hero h1 {
  font-size: clamp(34px, 5.5vw, 58px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 820px;
  margin: 0 auto 20px;
}
.hero h1 em { color: var(--red); font-style: italic; }
.hero p.lead {
  color: var(--grey);
  font-size: 18px;
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero .cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Trust strip */
.trust {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 26px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--charcoal);
  font-size: 13.5px;
  color: var(--grey);
}
.trust b { color: var(--white); display: block; font-size: 15px; }
.trust .item { text-align: center; min-width: 130px; }

/* Sections */
section.block { padding: 72px 0; }
.kicker {
  color: var(--red);
  text-transform: uppercase;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .16em;
  margin-bottom: 10px;
}
h2.section {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
h2.section em { color: var(--red); font-style: italic; }
p.sub { color: var(--grey); max-width: 680px; margin-bottom: 40px; }

/* Product cards */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--red); transform: translateY(-3px); }
.card .imgwrap { background: #202027; padding: 24px; }
.card .imgwrap img { margin: 0 auto; height: 220px; object-fit: contain; }
.card .body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card .badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 4px;
  padding: 3px 8px;
  margin-bottom: 12px;
}
.card h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.card .diodes { color: var(--grey); font-size: 14px; margin-bottom: 14px; }
.card ul.specs { list-style: none; margin-bottom: 20px; font-size: 14px; color: var(--grey); }
.card ul.specs li { padding: 5px 0; border-bottom: 1px dashed var(--border); }
.card ul.specs li b { color: var(--white); }
.card .actions { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.price-note { font-size: 12.5px; color: var(--grey-dim); text-align: center; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.step .num {
  width: 34px; height: 34px;
  background: var(--red);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px;
  margin-bottom: 14px;
}
.step h4 { font-size: 16.5px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--grey); }

/* Before / after */
.ba-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.ba {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.ba .pair { display: grid; grid-template-columns: 1fr 1fr; }
.ba .pair img { width: 100%; height: 240px; object-fit: cover; }
.ba .caption { padding: 14px 18px; font-size: 14px; color: var(--grey); }
.ba .caption b { color: var(--white); }

/* Comparison table */
table.compare { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.compare th, table.compare td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
table.compare th { background: var(--charcoal); font-weight: 700; }
table.compare td:first-child { color: var(--grey); font-weight: 600; }
table.compare .hl { color: var(--red); font-weight: 700; }

/* FAQ */
details.faq {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 12px;
  padding: 0 20px;
}
details.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 15.5px;
  padding: 18px 0;
  list-style: none;
  position: relative;
}
details.faq summary::after {
  content: "+";
  position: absolute; right: 0; top: 14px;
  color: var(--red); font-size: 22px; font-weight: 400;
}
details.faq[open] summary::after { content: "–"; }
details.faq p { color: var(--grey); font-size: 14.5px; padding-bottom: 18px; }

/* Quote */
.quote {
  border-left: 3px solid var(--red);
  padding: 6px 0 6px 24px;
  font-size: 19px;
  font-style: italic;
  color: var(--grey);
  max-width: 760px;
}
.quote .who { display: block; margin-top: 12px; font-size: 14px; font-style: normal; color: var(--grey-dim); font-weight: 600; }

/* CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--red-dark), var(--red));
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
}
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; margin-bottom: 10px; }
.cta-band p { margin-bottom: 24px; opacity: .92; }
.cta-band .btn { background: var(--white); color: var(--red); }
.cta-band .btn:hover { background: #f2f2f2; }

/* Disclosure */
.disclosure {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 13px;
  color: var(--grey-dim);
  margin: 40px auto 0;
}

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  background: var(--charcoal);
  padding: 48px 0 28px;
  margin-top: 72px;
  font-size: 14px;
  color: var(--grey);
}
.footgrid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
footer.site h5 { color: var(--white); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 14px; }
footer.site ul { list-style: none; }
footer.site ul li { margin-bottom: 8px; }
footer.site a:hover { color: var(--white); }
.legal { border-top: 1px solid var(--border); padding-top: 22px; font-size: 12.5px; color: var(--grey-dim); }
.legal p { margin-bottom: 8px; }

/* Product page hero */
.p-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 64px 0; }
.p-hero .imgwrap {
  background: #202027;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.p-hero h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
.p-hero .lead { color: var(--grey); font-size: 17px; margin-bottom: 24px; }
.chiprow { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.chip {
  font-size: 12.5px; font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  color: var(--grey);
}
.chip.red { border-color: var(--red); color: var(--red); }

.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin-top: 8px; }
.spec-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.spec-table td:first-child { color: var(--grey); width: 44%; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

@media (max-width: 900px) {
  .grid3, .steps, .ba-grid, .p-hero, .two-col, .footgrid { grid-template-columns: 1fr; }
  nav.links { display: none; }
  .p-hero { padding: 40px 0; }
}