.hb-hoodie-guide, .hb-hoodie-guide * { box-sizing: border-box; }
.hb-hoodie-guide {
  --hb-black: #111111;
  --hb-text: #272727;
  --hb-muted: #666666;
  --hb-line: #dddddd;
  --hb-soft: #f5f5f5;
  --hb-white: #ffffff;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  color: var(--hb-text);
  background: var(--hb-white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.75;
}

.hb-hoodie-guide h1,
.hb-hoodie-guide h2,
.hb-hoodie-guide h3,
.hb-hoodie-guide p,
.hb-hoodie-guide ul {
  margin-top: 0;
}

.hb-hoodie-guide a {
  color: var(--hb-black);
  text-decoration-color: #999999;
  text-underline-offset: 3px;
}

.hb-hoodie-guide a:hover {
  text-decoration-color: var(--hb-black);
}

.hb-hero {
  padding: 64px 0 34px;
  border-top: 1px solid var(--hb-line);
  border-bottom: 1px solid var(--hb-line);
}

.hb-kicker {
  margin-bottom: 14px;
  color: var(--hb-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hb-hoodie-guide h1 {
  max-width: 900px;
  margin-bottom: 22px;
  color: var(--hb-black);
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.hb-lead {
  max-width: 900px;
  margin-bottom: 0;
  color: #3f3f3f;
  font-size: 20px;
  line-height: 1.65;
}

.hb-toc {
  margin: 30px 0 64px;
  padding: 10px;
  border: 1px solid var(--hb-line);
  background: var(--hb-soft);
}

.hb-toc-links {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
}

.hb-toc-links a {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 9px 8px;
  border: 1px solid #cfcfcf;
  background: var(--hb-white);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.hb-toc-links a:hover {
  border-color: var(--hb-black);
  background: var(--hb-black);
  color: var(--hb-white);
}

.hb-section {
  margin-bottom: 70px;
  scroll-margin-top: 30px;
}

.hb-hoodie-guide h2 {
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hb-line);
  color: var(--hb-black);
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.hb-hoodie-guide h3 {
  margin: 34px 0 14px;
  color: var(--hb-black);
  font-size: 22px;
  line-height: 1.35;
}

.hb-hoodie-guide p {
  margin-bottom: 20px;
}

.hb-balance-map {
  margin: 34px 0 0;
  border-top: 1px solid var(--hb-black);
}

.hb-balance-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 28px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hb-line);
}

.hb-balance-row strong {
  color: var(--hb-black);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hb-balance-row p {
  margin: 0;
  color: #4d4d4d;
}

.hb-product {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  margin: 38px 0;
  border: 1px solid var(--hb-line);
  background: var(--hb-white);
}

.hb-product-media {
  position: relative;
  display: block;
  min-height: 420px;
  overflow: hidden;
  border-right: 1px solid var(--hb-line);
  background: var(--hb-soft);
}

.hb-product-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 18px;
  object-fit: contain;
  background: var(--hb-soft);
  transition: opacity 0.35s ease;
}

.hb-product-media .hb-image-alt {
  opacity: 0;
}

.hb-product-media:hover .hb-image-alt,
.hb-product-media:focus .hb-image-alt {
  opacity: 1;
}

.hb-product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
}

.hb-product-label {
  margin-bottom: 10px;
  color: var(--hb-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hb-product-copy h3 {
  margin: 0 0 16px;
  font-size: 28px;
}

.hb-product-copy p {
  margin-bottom: 18px;
  color: #4b4b4b;
}

.hb-checks {
  margin: 0 0 24px;
  padding-left: 20px;
}

.hb-checks li {
  margin-bottom: 8px;
}

.hb-button {
  display: inline-flex;
  width: fit-content;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid var(--hb-black);
  background: var(--hb-black);
  color: var(--hb-white) !important;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none !important;
}

.hb-button:hover {
  background: var(--hb-white);
  color: var(--hb-black) !important;
}

.hb-formulas {
  margin-top: 30px;
  border-top: 1px solid var(--hb-black);
}

.hb-formula {
  display: grid;
  grid-template-columns: minmax(210px, 0.7fr) minmax(0, 1.3fr);
  gap: 34px;
  padding: 26px 0;
  border-bottom: 1px solid var(--hb-line);
}

.hb-formula h3 {
  margin: 0;
  font-size: 21px;
}

.hb-formula p {
  margin-bottom: 14px;
  color: #4c4c4c;
  font-size: 15px;
  line-height: 1.65;
}

.hb-formula p:last-child {
  margin-bottom: 0;
}

.hb-mistakes {
  margin-top: 30px;
  border-top: 1px solid var(--hb-black);
}

.hb-mistake {
  display: grid;
  grid-template-columns: minmax(190px, 0.6fr) minmax(0, 1.4fr);
  gap: 34px;
  padding: 22px 0;
  border-bottom: 1px solid var(--hb-line);
}

.hb-mistake h3 {
  margin: 0;
  font-size: 21px;
}

.hb-mistake p:last-child {
  margin-bottom: 0;
}

.hb-faq details {
  border-top: 1px solid var(--hb-line);
  background: var(--hb-white);
}

.hb-faq details:last-child {
  border-bottom: 1px solid var(--hb-line);
}

.hb-faq summary {
  position: relative;
  padding: 20px 46px 20px 0;
  color: var(--hb-black);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}

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

.hb-faq summary::after {
  position: absolute;
  top: 50%;
  right: 4px;
  content: "+";
  font-size: 24px;
  font-weight: 400;
  transform: translateY(-50%);
}

.hb-faq details[open] summary::after {
  content: "–";
}

.hb-faq-answer {
  max-width: 880px;
  padding: 0 46px 20px 0;
  color: #4c4c4c;
}

.hb-faq-answer p {
  margin-bottom: 0;
}

.hb-final {
  padding: 36px;
  border: 1px solid var(--hb-line);
  background: var(--hb-soft);
}

.hb-final h2 {
  margin-bottom: 18px;
  padding-bottom: 0;
  border-bottom: 0;
}

.hb-final ul {
  margin: 0 0 26px;
  padding-left: 20px;
}

.hb-final li {
  margin-bottom: 9px;
}

@media (max-width: 900px) {
  .hb-hoodie-guide {
    padding: 0 20px;
  }

  .hb-toc-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .hb-product {
    grid-template-columns: 1fr;
  }

  .hb-product-media {
    min-height: 520px;
    border-right: 0;
    border-bottom: 1px solid var(--hb-line);
  }
}

@media (max-width: 640px) {
  .hb-hoodie-guide {
    padding: 0 16px;
    font-size: 16px;
  }

  .hb-hero {
    padding-top: 44px;
  }

  .hb-lead {
    font-size: 18px;
  }

  .hb-toc {
    padding: 14px;
  }

  .hb-toc-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hb-toc-links a {
    white-space: normal;
  }

  .hb-balance-row,
  .hb-formula,
  .hb-mistake {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hb-product-media {
    min-height: 370px;
  }

  .hb-product-copy,
  .hb-final {
    padding: 26px 22px;
  }
}