@import "https://unpkg.com/open-props";
@import url(https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css);

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

:root {
  --color-red:        #cc0000;
  --color-red-dark:   #a30000;
  --color-dark:       #222222;
  --color-mid:        #666666;
  --color-border:     #e0e0e0;
  --color-bg:         #ffffff;
  --color-bg-light:   #f5f5f5;
  --color-bg-dark:    #1a1a1a;
  --font:             Arial, Helvetica, sans-serif;
  --max-w:            980px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-dark);
  font-size: 1rem;
  line-height: 1.6;
}

/* ─── TOP BAR ──────────────────────────────────────────────────── */
.top-bar {
  background: var(--color-dark);
  color: #fff;
  font-size: 0.78rem;
  text-align: center;
  padding: 10px 24px;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ─── HERO ─────────────────────────────────────────────────────── */
.hero {
  background: var(--color-red);
  color: #fff;
  padding: 96px 24px 80px;
  text-align: center;
  position: relative;
}

.hero::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 6px;
  background: var(--color-red-dark);
}

.hero__label {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.5);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 3px;
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  max-width: 620px;
  margin: 0 auto 48px;
  opacity: 0.93;
  line-height: 1.7;
}

.hero__brands-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-bottom: 14px;
}

.hero__brands {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 64px;
}

.hero__brand-tag {
  background: rgba(255,255,255,0.14);
  border: 1.5px solid rgba(255,255,255,0.35);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 100px;
  letter-spacing: 0.03em;
}

/* ─── SERIAL CARD ──────────────────────────────────────────────── */
.serial-card {
  background: #fff;
  color: var(--color-dark);
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
  max-width: 580px;
  margin: 0 auto;
  padding: 44px 40px;
}

.serial-card__title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.serial-card__hint {
  font-size: 0.88rem;
  color: var(--color-mid);
  margin-bottom: 24px;
  line-height: 1.5;
}

.serial-input-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.serial-input-row input[type="text"] {
  flex: 1 1 180px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  padding: 14px 18px;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--color-dark);
  outline: none;
  transition: border-color 0.2s;
}

.serial-input-row input[type="text"]:focus {
  border-color: var(--color-red);
}

.serial-input-row input[type="text"]::placeholder {
  color: #bbb;
}

.btn-check {
  background: var(--color-red);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-check:hover { background: var(--color-red-dark); }

/* ─── SECTION SHELLS ───────────────────────────────────────────── */
.section--white  { background: var(--color-bg); }
.section--grey   { background: var(--color-bg-light); }
.section--stripe {
  background: var(--color-bg);
  border-top: 5px solid var(--color-red);
  border-bottom: 5px solid var(--color-red);
}

.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 96px 40px;
}

/* ─── SECTION HEADER ───────────────────────────────────────────── */
.section-eyebrow {
  display: inline-block;
  background: var(--color-red);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 3px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: 16px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--color-mid);
  max-width: 600px;
  line-height: 1.75;
  margin-bottom: 56px;
}

/* ─── FIND SERIAL ──────────────────────────────────────────────── */
.find-serial__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 56px;
}

.find-serial__text p {
  color: var(--color-mid);
  margin-bottom: 20px;
  line-height: 1.75;
  font-size: 1rem;
}

.info-box {
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-left: 5px solid var(--color-red);
  border-radius: 6px;
  padding: 28px 32px;
  margin-top: 36px;
}

.info-box__title {
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 10px;
  color: var(--color-dark);
}

.info-box p {
  font-size: 0.92rem;
  color: var(--color-mid);
  line-height: 1.75;
}

/* ─── IMAGE BLOCKS ─────────────────────────────────────────────── */
.img-block {
  /* margin-top: 48px; */
}

.img-block__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mid);
  margin-bottom: 16px;
}

.img-block__label::before {
  content: "";
  display: block;
  width: 20px;
  height: 3px;
  background: var(--color-red);
  border-radius: 2px;
  flex-shrink: 0;
}

.img-block img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1.5px solid var(--color-border);
}

.img-block--inset img {
  max-width: 480px;
}

.img-block--wide img {
  max-width: 100%;
}

/* ─── YR-308 PLUG SECTION ──────────────────────────────────────── */
.wallmount-section {
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-left: 5px solid var(--color-red);
  border-radius: 6px;
  padding: 36px 40px;
  margin-top: 12px;
}

.wallmount-section .img-block {
  margin-top: 28px;
}

/* ─── OPTIONS CARDS ────────────────────────────────────────────── */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 44px;
}

.option-card {
  background: var(--color-bg-light);
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  padding: 44px 40px;
}

.option-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--color-red);
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  border-radius: 50%;
  margin-bottom: 22px;
}

.option-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--color-dark);
}

.option-card p {
  font-size: 0.95rem;
  color: var(--color-mid);
  line-height: 1.75;
  margin-bottom: 16px;
}

.option-card .img-block {
  margin-top: 32px;
}

/* ─── FAQ ──────────────────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

details.faq-item {
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  transition: border-color 0.2s;
}

details.faq-item[open] {
  border-color: var(--color-red);
}

details.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--color-dark);
  list-style: none;
  gap: 24px;
  user-select: none;
}

details.faq-item summary::-webkit-details-marker { display: none; }

details.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-red);
  flex-shrink: 0;
  line-height: 1;
}

details.faq-item[open] summary::after {
  content: "\2212";
}

details.faq-item .faq-answer {
  padding: 24px 32px 32px;
  font-size: 0.95rem;
  color: var(--color-mid);
  line-height: 1.8;
  border-top: 1px solid var(--color-border);
}

/* ─── CTA BANNER ───────────────────────────────────────────────── */
.cta-banner {
  background: var(--color-bg-dark);
  color: #fff;
  padding: 108px 40px;
  text-align: center;
  border-top: 6px solid var(--color-red);
}

.cta-banner__eyebrow {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 20px;
}

.cta-banner__title {
  font-size: clamp(1.7rem, 4.5vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.cta-banner__sub {
  font-size: 1.05rem;
  color: #999;
  margin-bottom: 52px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta-banner__buttons {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  margin: auto;
  justify-content: center;
  gap: 16px;
  max-width: 300px
}

.btn-primary {
  background: var(--color-red);
  color: #fff;
  border: 2px solid var(--color-red);
  border-radius: 6px;
  padding: 18px 44px;
  font-family: var(--font);
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  letter-spacing: 0.02em;
  transition: background 0.2s, border-color 0.2s;
}

.btn-primary:hover {
  background: var(--color-red-dark);
  border-color: var(--color-red-dark);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 6px;
  padding: 18px 44px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  /* display: flex; */
  align-items: center;
  gap: 10px;
  letter-spacing: 0.02em;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline span {
  color: #999;
  flex-wrap: wrap;
  flex-basis: 100%
}

.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: #fff;
}

.btn-outline svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ─── FOOTER ───────────────────────────────────────────────────── */
.footer {
  background: #111;
  color: #666;
  text-align: center;
  padding: 32px 24px;
  font-size: 0.8rem;
  line-height: 1.6;
}

/* ─── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 700px) {

  .section__inner {
	padding: 64px 20px;
  }

  .find-serial__grid,
  .options-grid {
	grid-template-columns: 1fr;
	gap: 32px;
  }

  .serial-card {
	padding: 32px 24px;
  }

  .serial-input-row {
	flex-direction: column;
  }

  .serial-input-row input[type="text"],
  .btn-check {
	width: 100%;
  }

  .option-card {
	padding: 32px 24px;
  }

  .cta-banner {
	padding: 72px 20px;
  }

  .cta-banner__buttons {
	flex-direction: column;
	align-items: center;
  }

  .btn-primary,
  .btn-outline {
	width: 100%;
	max-width: 340px;
	justify-content: center;
  }
}