@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('assets/fonts/inter-400.ttf') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('assets/fonts/inter-500.ttf') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('assets/fonts/inter-600.ttf') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url('assets/fonts/inter-700.ttf') format('truetype'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 800; font-display: swap; src: url('assets/fonts/inter-800.ttf') format('truetype'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 600; font-display: swap; src: url('assets/fonts/poppins-600.ttf') format('truetype'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 700; font-display: swap; src: url('assets/fonts/poppins-700.ttf') format('truetype'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 800; font-display: swap; src: url('assets/fonts/poppins-800.ttf') format('truetype'); }

:root {
  --ptx-blue: #0878cf;
  --ptx-blue-dark: #075aa4;
  --ptx-navy: #10283f;
  --ptx-red: #d72027;
  --ptx-light: #edf6ff;
  --ptx-line: #d9e2ea;
  --ptx-text: #122033;
  --ptx-muted: #5b6978;
  --ptx-orange: #f28c28;
  --ptx-green: #198754;
  --ptx-shadow: 0 18px 50px rgba(15, 39, 63, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, video { display: block; max-width: 100%; }

.pepthair-page {
  min-height: 100vh;
  overflow-x: hidden;
  background: #fff;
  color: var(--ptx-text);
  font-family: 'Inter', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.sale-bar {
  min-height: 42px;
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: var(--ptx-red);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.sale-bar strong { font-size: 15px; letter-spacing: .14em; white-space: nowrap; }

.micro-trust-bar {
  min-height: 36px;
  padding: 7px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 38px;
  border-bottom: 1px solid #e9eef3;
  background: #fff;
  color: #294157;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.micro-trust-bar span::before {
  content: '✓';
  margin-right: 7px;
  color: var(--ptx-blue);
  font-weight: 800;
}

.site-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #e8edf2;
  background: rgba(255,255,255,.98);
}
.site-header img { width: 132px; max-height: 38px; object-fit: contain; }

.page-container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.page-container.narrow { width: min(920px, calc(100% - 48px)); }

.hero-section { padding: 48px 0 36px; }
.hero-grid {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(430px, .96fr);
  gap: 44px;
  align-items: start;
}

.gallery { min-width: 0; position: sticky; top: 24px; }
.main-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #e1e7ed;
  border-radius: 16px;
  background: #f7f9fb;
  box-shadow: 0 12px 34px rgba(15, 39, 63, .08);
  outline: none;
  touch-action: pan-y;
  user-select: none;
}
.main-image:focus-visible { box-shadow: 0 0 0 4px rgba(8, 120, 207, .18), 0 12px 34px rgba(15, 39, 63, .08); }
.main-image img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.gallery-arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 48px;
  height: 48px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(17, 44, 68, .16);
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 8px 24px rgba(15, 39, 63, .18);
  color: var(--ptx-navy);
  cursor: pointer;
  transform: translateY(-50%);
  transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}
.gallery-arrow:hover {
  background: #fff;
  box-shadow: 0 10px 28px rgba(15, 39, 63, .24);
}
.gallery-arrow:active { transform: translateY(-50%) scale(.94); }
.gallery-arrow:focus-visible { outline: 3px solid rgba(8, 120, 207, .35); outline-offset: 2px; }
.gallery-arrow-left { left: 14px; }
.gallery-arrow-right { right: 14px; }
.gallery-arrow svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.gallery-counter {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  min-width: 48px;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(16, 40, 63, .75);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  backdrop-filter: blur(6px);
}
.thumb-row {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 8px;
}
.thumb-row button {
  aspect-ratio: 1 / 1;
  padding: 0;
  overflow: hidden;
  border: 1px solid #cdd7e0;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.thumb-row button:hover { transform: translateY(-1px); border-color: var(--ptx-blue); }
.thumb-row button.active {
  border: 2px solid var(--ptx-blue);
  box-shadow: 0 0 0 3px rgba(8, 120, 207, .12);
}
.thumb-row img { width: 100%; height: 100%; object-fit: cover; }

.product-panel {
  min-width: 0;
  padding: 28px;
  border: 1px solid #dfe7ee;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--ptx-shadow);
}
.rating-row {
  margin-bottom: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
  color: #4b5d6f;
  font-size: 14px;
  font-weight: 600;
}
.stars { color: #f6a800; letter-spacing: 2px; font-size: 20px; line-height: 1; white-space: nowrap; }
.stars-small { font-size: 15px; letter-spacing: 1px; }
.product-panel h1 {
  max-width: 650px;
  margin: 0;
  font-family: 'Poppins', sans-serif;
  font-size: clamp(36px, 3.25vw, 46px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.04em;
}
.hero-subtitle {
  margin: 16px 0 18px;
  color: #34495e;
  font-size: 17px;
  line-height: 1.6;
}
.hero-benefits {
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}
.hero-benefits li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.45;
}
.hero-benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ptx-blue);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.bundle-title {
  margin: 0 0 12px;
  color: #39556d;
  text-align: center;
  font-size: 14px;
  font-weight: 750;
}
.bundle-list {
  margin-bottom: 16px;
  display: grid;
  gap: 12px;
}
.bundle-card {
  position: relative;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid #d9d9d9;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 2px 7px rgba(15, 39, 63, .10);
  color: #0a0a0a;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, transform .18s ease, box-shadow .18s ease;
}
.bundle-card:hover {
  transform: translateY(-1px);
  border-color: #8ca4ba;
}
.bundle-card.selected {
  border: 1.5px solid #13b72a;
  background: #fbfffb;
  box-shadow: 0 2px 7px rgba(15, 39, 63, .10);
}
.bundle-badge {
  width: 100%;
  min-height: 29px;
  padding: 6px 12px;
  display: grid;
  place-items: center;
  background: #3477dc;
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .01em;
  line-height: 1;
  text-transform: uppercase;
}
.bundle-main {
  position: relative;
  min-height: 113px;
  padding: 13px 14px 13px 40px;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}
.bundle-card.has-badge .bundle-main {
  min-height: 99px;
}
.bundle-radio {
  position: absolute;
  left: 13px;
  top: 50%;
  width: 14px;
  height: 14px;
  border: 1px solid #c6cbd0;
  border-radius: 50%;
  background: #fff;
  transform: translateY(-50%);
}
.bundle-card.selected .bundle-radio {
  border-color: #13b72a;
  background: #13b72a;
  box-shadow: inset 0 0 0 3px #fff;
}
.bundle-image {
  width: 74px;
  height: 72px;
  display: grid;
  place-items: center;
}
.bundle-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.bundle-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.bundle-name {
  color: #060606;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.25;
  text-transform: uppercase;
}
.bundle-price {
  margin-top: 4px;
  color: #050505;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.05;
}
.bundle-unit {
  margin-top: 2px;
  color: #202020;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.2;
}
.bundle-discount {
  margin-top: 8px;
  padding: 5px 8px;
  border-radius: 7px;
  background: #ff4318;
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1;
  text-transform: uppercase;
}
.bundle-total {
  min-height: 38px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-top: 1px solid #ebebeb;
  background: #f3f3f3;
  color: #525252;
  font-size: 11px;
  line-height: 1.2;
}
.bundle-total-label {
  color: #050505;
  font-weight: 900;
}
.bundle-total del {
  color: #696969;
  text-decoration-thickness: 1px;
}
.bundle-total strong {
  color: #272727;
  font-size: 11px;
  font-weight: 500;
}

.buy-button {
  width: 100%;
  min-height: 58px;
  padding: 13px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(180deg, #27b866, #159447);
  box-shadow: 0 4px 0 #0d6f35, 0 10px 24px rgba(21, 148, 71, .22);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .015em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .18s ease, filter .18s ease, box-shadow .18s ease;
}
.buy-button:hover { filter: brightness(1.05); transform: translateY(-1px); box-shadow: 0 5px 0 #0d6f35, 0 13px 28px rgba(21, 148, 71, .28); }
.buy-button:active { transform: translateY(2px); box-shadow: 0 2px 0 #0d6f35; }

/* CTA principal: destaque em verde sem alterar dimensões ou fluxo do layout. */
.product-panel > .buy-button,
.principle-cta,
.section-cta,
.guarantee-content > .buy-button {
  background: linear-gradient(180deg, #27b866, #159447);
  box-shadow: 0 4px 0 #0d6f35, 0 10px 24px rgba(21, 148, 71, .22);
  animation: product-cta-pulse 2s ease-in-out infinite;
  transition: transform .18s ease, filter .18s ease, box-shadow .18s ease;
}
.product-panel > .buy-button:hover,
.principle-cta:hover,
.section-cta:hover,
.guarantee-content > .buy-button:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 5px 0 #0d6f35, 0 13px 28px rgba(21, 148, 71, .28);
}
.product-panel > .buy-button:active,
.principle-cta:active,
.section-cta:active,
.guarantee-content > .buy-button:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #0d6f35;
}

.section-cta {
  max-width: 520px;
  margin: 34px auto 0;
}

.faq-section > .section-cta {
  background: linear-gradient(180deg, #27b866, #159447);
  box-shadow: 0 4px 0 #0d6f35, 0 10px 24px rgba(21, 148, 71, .22);
  animation: none;
}
.faq-section > .section-cta:hover {
  filter: brightness(1.05);
  box-shadow: 0 5px 0 #0d6f35, 0 13px 28px rgba(21, 148, 71, .28);
}
.faq-section > .section-cta:active {
  box-shadow: 0 2px 0 #0d6f35;
}

@keyframes product-cta-pulse {
  0%, 100% { box-shadow: 0 4px 0 #0d6f35, 0 10px 24px rgba(21, 148, 71, .22); }
  50% { box-shadow: 0 4px 0 #0d6f35, 0 10px 30px rgba(21, 148, 71, .42); }
}

.checkout-reassurance {
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  color: #506172;
  text-align: center;
  font-size: 12px;
  font-weight: 650;
}
.checkout-reassurance span { padding: 8px 6px; border-radius: 8px; background: #f4f8fb; }
.stock-notice {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid #dfe4e8;
  border-radius: 10px;
  background: #f5f6f7;
  color: #3f4f5e;
  font-size: 13px;
  line-height: 1.55;
}
.stock-notice strong { color: #25384a; font-size: 13px; }
.stock-notice p { margin: 7px 0; }
.stock-notice small { display: block; font-size: 12px; line-height: 1.5; }

.product-info-accordions { padding: 12px 0 50px; }
details { border-bottom: 1px solid #dfe6ec; }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.product-info-accordions summary,
.faq-list summary {
  position: relative;
  padding: 18px 44px 18px 0;
  color: #173149;
  font-size: 16px;
  font-weight: 750;
  line-height: 1.4;
}
.product-info-accordions summary::after,
.faq-list summary::after {
  content: '+';
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ptx-blue);
  font-size: 24px;
  font-weight: 400;
}
.product-info-accordions details[open] summary::after,
.faq-list details[open] summary::after { content: '−'; }
.product-info-accordions details > p,
.faq-list details > p {
  max-width: 850px;
  margin: 0;
  padding: 0 44px 20px 0;
  color: #566676;
  font-size: 15px;
  line-height: 1.75;
}

.results-section { padding: 78px 0; background: #fff; }
.results-section h2 {
  max-width: 880px;
  margin: 0 auto 34px;
  font-family: 'Poppins', sans-serif;
  font-size: 32px;
  line-height: 1.22;
  letter-spacing: -.025em;
  text-align: center;
}
.results-carousel { position: relative; }
.results-arrow { display: none; }
.results-arrow-left { left: 10px; }
.results-arrow-right { right: 10px; }
.results-scroll {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.result-card {
  overflow: hidden;
  border: 1px solid #d8e2ea;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(15,39,63,.07);
}
.result-images { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: #e3e8ed; }
.result-image-wrap { position: relative; aspect-ratio: 1 / .9; overflow: hidden; background: #eee; }
.result-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.image-label {
  position: absolute;
  top: auto;
  bottom: 9px;
  left: 9px;
  z-index: 2;
  padding: 4px 8px;
  border-radius: 5px;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.image-label.before { background: rgba(180,48,48,.94); }
.image-label.after { right: 9px; left: auto; background: rgba(38,141,83,.94); }
.result-copy { padding: 18px; }
.result-heading { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.result-heading strong { font-size: 16px; text-transform: capitalize; }
.result-copy p { margin: 12px 0 15px; color: #536372; font-size: 14px; line-height: 1.65; }
.result-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.result-tags span {
  flex: 1 1 120px;
  padding: 7px 9px;
  border-radius: 7px;
  background: #eaf6ff;
  color: #056aa9;
  font-size: 12px;
  font-weight: 750;
  text-align: center;
}

.principles-section { padding: 82px 0 88px; background: #eaf3ff; }
.principles-container { width: min(1080px, calc(100% - 48px)); }
.section-heading { text-align: center; }
.section-heading.compact h2 {
  max-width: 930px;
  margin: 0 auto;
  font-family: 'Poppins', sans-serif;
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: -.03em;
}
.section-heading.compact p { max-width: 760px; margin: 13px auto 0; color: #566676; font-size: 17px; }
.principle {
  margin-top: 74px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.principle-reverse .principle-copy { order: 2; }
.principle-reverse .principle-media { order: 1; }
.principle-copy h3 {
  margin: 0 0 18px;
  font-family: 'Poppins', sans-serif;
  font-size: 28px;
  line-height: 1.18;
  letter-spacing: -.025em;
}
.principle-copy p { margin: 0 0 13px; color: #34495e; font-size: 16px; line-height: 1.7; }
.principle-media {
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  background: #cbd8e8;
  box-shadow: 0 18px 40px rgba(15,39,63,.12);
}
.principle-media video { width: 100%; height: 100%; object-fit: cover; }
.study-box {
  margin: 22px 0 18px;
  overflow: hidden;
  border: 1px solid #d69b52;
  border-radius: 9px;
  background: #fff;
}
.study-box summary { position: relative; padding: 12px 38px 12px 14px; font-size: 13px; font-weight: 800; }
.study-box summary::after { content: '⌄'; position: absolute; right: 14px; }
.study-box > div { padding: 14px; border-top: 1px solid #d69b52; background: #fff3e4; }
.study-box > div strong { font-size: 14px; }
.study-box > div p { margin: 6px 0 0; font-size: 14px; line-height: 1.65; }
.principle-cta {
  min-height: 50px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.reviews-section { padding: 78px 0; }
.review-width { width: min(1080px, calc(100% - 48px)); }
.review-carousel { position: relative; }
.review-arrow { display: none; }
.review-arrow-left { left: 10px; }
.review-arrow-right { right: 10px; }
.review-image-column {
  margin: 32px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  align-items: start;
}
.review-image-column img {
  width: 100%;
  height: auto;
  overflow: hidden;
  border: 1px solid #dde4ea;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(15,39,63,.08);
}

.ingredients-section { padding: 76px 0 84px; background: #fbfdff; }
.ingredient-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}
.ingredient-card {
  padding: 22px;
  border: 1px solid #dfe7ee;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(15,39,63,.06);
  text-align: left;
}
.ingredient-card img { width: 86px; height: 86px; margin: 0 0 17px; border-radius: 50%; object-fit: cover; }
.ingredient-card h3 { margin: 0 0 9px; font-size: 17px; line-height: 1.3; }
.ingredient-card p { margin: 0; color: #566676; font-size: 14px; line-height: 1.65; }
.ingredient-card span {
  margin-top: 16px;
  padding: 5px 9px;
  display: inline-block;
  border-radius: 999px;
  background: #e8f6ff;
  color: #0674b6;
  font-size: 12px;
  font-weight: 750;
  text-transform: capitalize;
}

.natural-strip { padding: 30px 24px; background: var(--ptx-navy); color: #fff; }
.natural-strip > div {
  width: min(960px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  text-align: center;
}
.natural-strip strong { font-size: 14px; line-height: 1.35; }
.natural-strip strong::before { content: '✓'; margin-bottom: 7px; display: block; color: #69c7ff; font-size: 23px; }

.comparison-section { padding: 86px 0; }
.comparison-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 64px; align-items: center; }
.comparison-copy h2 {
  margin: 0 0 16px;
  font-family: 'Poppins', sans-serif;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -.025em;
}
.comparison-copy p { margin: 0; color: #5a6978; font-size: 16px; line-height: 1.75; }
.comparison-table {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: visible;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.comparison-column { position: relative; overflow: hidden; }
.comparison-column h3 { margin: 0; padding: 24px 15px; text-align: center; font-size: 31px; line-height: 1.15; }
.comparison-column p {
  min-height: 69px;
  margin: 0;
  padding: 15px 17px;
  display: flex;
  align-items: center;
  border-top: 1px solid rgba(0,0,0,.15);
  font-size: 14px;
  line-height: 1.45;
}
.pepthair-column {
  z-index: 2;
  margin: -25px 0;
  border-radius: 12px;
  background: linear-gradient(180deg, #168fd0, #134f6f);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15,39,63,.16);
}
.pepthair-column h3 { padding: 29px 15px; font-size: 42px; }
.others-column {
  z-index: 1;
  margin: 0;
  border: 1px solid #9aa8b4;
  border-radius: 12px;
  background: #f1f3f5;
  color: #273746;
}

.authority-section { padding: 82px 0 88px; background: #fbfdff; }
.authority-container { width: min(1080px, calc(100% - 48px)); }
.authority-heading { max-width: 700px; margin: 0 auto 36px; text-align: center; }
.authority-eyebrow { display: flex; align-items: center; justify-content: center; gap: 14px; margin: 0 0 18px; color: #273746; font-family: Georgia, 'Times New Roman', serif; font-size: 21px; }
.authority-eyebrow::before,
.authority-eyebrow::after { content: ''; width: 38px; height: 1px; background: #8d959c; }
.authority-heading h2 { margin: 0; font-family: Georgia, 'Times New Roman', serif; font-size: 34px; line-height: 1.18; font-weight: 600; color: #1b2b3d; }
.authority-heading > p { margin: 18px auto 0; max-width: 580px; color: #526171; font-size: 15px; line-height: 1.7; }
.authority-heading em { font-weight: 700; }
.authority-carousel { position: relative; }
.authority-arrow { display: none; }
.authority-arrow-left { left: 10px; }
.authority-arrow-right { right: 10px; }
.authority-scroll { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.authority-card { display: flex; min-height: 360px; flex-direction: column; padding: 22px; border: 1px solid #d9e1e8; border-radius: 14px; background: #fff; box-shadow: 0 12px 30px rgba(15,39,63,.07); }
.authority-card-header { display: flex; align-items: center; gap: 12px; }
.authority-avatar { display: grid; width: 50px; height: 50px; flex: 0 0 50px; place-items: center; border-radius: 50%; background: linear-gradient(145deg, #d6edf8, #8db8cc); color: #123d59; font-weight: 800; letter-spacing: .04em; }
.authority-avatar img { width: 100%; height: 100%; border-radius: inherit; object-fit: cover; }
.authority-card-header strong { display: block; color: #263748; font-size: 15px; line-height: 1.35; }
.authority-card-header span { display: block; margin-top: 4px; color: #71808e; font-size: 13px; }
.authority-check { display: inline-grid !important; width: 15px; height: 15px; margin: 0 0 0 3px !important; place-items: center; border-radius: 50%; background: #8d969f; color: #fff !important; font-size: 10px !important; font-weight: 700; }
.authority-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0 19px; padding: 12px 0; border-top: 1px solid #e1e6ea; border-bottom: 1px solid #e1e6ea; }
.authority-meta span { display: flex; flex-direction: column; gap: 5px; color: #596875; font-size: 13px; }
.authority-meta span:last-child { align-items: flex-end; text-align: right; }
.authority-meta strong { color: #4d5b67; font-weight: 500; }
.authority-meta b { color: #2f3e4b; font-size: 14px; font-weight: 600; }
.authority-card h3 { margin: 0 0 12px; color: #263748; font-size: 17px; line-height: 1.35; }
.authority-card blockquote { margin: 0; color: #526171; font-size: 15px; line-height: 1.7; }
.authority-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 20px; color: #7b8995; font-size: 12px; }
.authority-stars { color: #e5a21a; letter-spacing: .08em; font-size: 15px; }

.guarantee-section { padding: 78px 0 84px; background: #fff; text-align: center; }
.guarantee-content { width: min(1080px, calc(100% - 48px)); }
.guarantee-content h2 {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: -.03em;
}
.guarantee-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 54px; align-items: center; margin-top: 38px; text-align: left; }
.guarantee-image { width: 100%; max-width: 510px; aspect-ratio: 1 / 1; overflow: hidden; justify-self: center; border-radius: 16px; box-shadow: 0 14px 34px rgba(15,39,63,.12); }
.guarantee-image img { width: 100%; height: 100%; object-fit: cover; }
.guarantee-copy h3 { margin: 0 0 20px; color: #234d70; font-size: 20px; }
.guarantee-copy p { margin: 0 0 13px; color: #536575; font-size: 16px; line-height: 1.75; }
.guarantee-copy .buy-button { max-width: 520px; margin: 28px 0 0; }

.faq-section { padding: 78px 0 86px; background: #f6f9fb; }
.faq-container { width: min(900px, calc(100% - 48px)); }
.faq-container h2 {
  margin: 0 0 24px;
  font-family: 'Poppins', sans-serif;
  font-size: 34px;
  line-height: 1.2;
  text-align: center;
}
.faq-list { padding: 0 24px; border: 1px solid #dce4eb; border-radius: 14px; background: #fff; box-shadow: 0 8px 24px rgba(15,39,63,.05); }

.site-footer {
  padding: 36px 24px 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--ptx-navy);
}
.site-footer img { width: 145px; margin-bottom: 19px; filter: brightness(0) invert(1); }
.site-footer .footer-badges {
  width: min(70%, 427px);
  height: 49px;
  margin: 0 auto 21px;
  object-fit: cover;
  object-position: center;
  filter: none;
}
.footer-payments {
  width: min(100%, 610px);
  margin: 0 auto 21px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.payment-badge {
  width: 37px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  background: #fff;
  color: #162b42;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  box-shadow: 0 1px 2px rgba(0,0,0,.12);
}
.payment-amazon { font-family: Georgia, serif; font-size: 20px; font-weight: 400; }
.payment-amex { background: #147ac2; color: #fff; font-size: 9px; }
.payment-apple { font-size: 11px; }
.payment-bancontact { font-size: 6px; letter-spacing: -.07em; }
.payment-diners { background: #fff; color: #151515; font-family: Georgia, serif; font-size: 17px; }
.payment-google { font-size: 9px; letter-spacing: -.06em; }
.payment-mastercard { background: #fff; }
.payment-mastercard i,
.payment-mastercard i::after { width: 16px; height: 16px; display: block; border-radius: 50%; content: ''; }
.payment-mastercard i { position: relative; background: #eb001b; }
.payment-mastercard i::after { position: absolute; left: 8px; background: #f79e1b; mix-blend-mode: multiply; }
.payment-paypal { color: #0066a1; font-style: italic; font-size: 16px; }
.payment-shop { background: #6d43d9; color: #fff; font-size: 9px; letter-spacing: -.06em; }
.payment-venmo { background: #3d8bc9; color: #fff; font-size: 16px; }
.payment-visa { background: #1556a6; color: #fff; font-size: 10px; letter-spacing: -.03em; }
.footer-disclaimer {
  width: min(1100px, 100%);
  margin: 0 auto;
  color: rgba(255,255,255,.92);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
}

.mobile-sticky-cta { display: none !important; }

@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(400px, .95fr); gap: 28px; }
  .product-panel { padding: 24px; }
  .product-panel h1 { font-size: 36px; }
  .results-scroll { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ingredient-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; max-width: 720px; }
  .gallery { position: static; }
  .comparison-layout { grid-template-columns: 1fr; gap: 34px; }
  .comparison-copy { max-width: 680px; text-align: center; margin: 0 auto; }
}

@media (max-width: 767px) {
  .pepthair-page { font-size: 16px; }
  .sale-bar { min-height: 40px; gap: 9px; padding: 7px 10px; font-size: 10px; letter-spacing: .04em; text-align: center; }
  .sale-bar strong { font-size: 12px; letter-spacing: .08em; }
  .micro-trust-bar { min-height: auto; gap: 5px 12px; padding: 8px 10px; font-size: 10px; line-height: 1.3; }
  .micro-trust-bar span::before { margin-right: 4px; }
  .site-header { height: 54px; }
  .site-header img { width: 112px; }

  .page-container,
  .page-container.narrow,
  .hero-grid,
  .principles-container,
  .review-width,
  .guarantee-content,
  .faq-container { width: calc(100% - 32px); }

  .hero-section { padding: 20px 0 26px; }
  .main-image { border-radius: 12px; }
  .gallery-arrow { width: 42px; height: 42px; }
  .gallery-arrow-left { left: 10px; }
  .gallery-arrow-right { right: 10px; }
  .gallery-arrow svg { width: 23px; height: 23px; }
  .gallery-counter { right: 10px; bottom: 10px; }
  .thumb-row {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 64px;
    gap: 7px;
    overflow-x: auto;
    padding: 2px 2px 6px;
    scroll-snap-type: x mandatory;
  }
  .thumb-row button { scroll-snap-align: start; border-radius: 7px; }
  .product-panel { margin-top: 18px; padding: 20px; border-radius: 14px; }
  .rating-row { margin-bottom: 9px; font-size: 13px; }
  .stars-small { font-size: 14px; }
  .product-panel h1 { font-size: 31px; line-height: 1.1; }
  .hero-subtitle { margin: 14px 0 17px; font-size: 16px; line-height: 1.55; }
  .hero-benefits { gap: 9px; margin-bottom: 20px; }
  .hero-benefits li { padding-left: 28px; font-size: 15px; }
  .hero-benefits li::before { width: 19px; height: 19px; }
  .bundle-title { font-size: 13px; }
  .bundle-list { gap: 13px; }
  .bundle-main { min-height: 113px; padding: 13px 12px 13px 39px; grid-template-columns: 72px minmax(0, 1fr); gap: 12px; }
  .bundle-card.has-badge .bundle-main { min-height: 99px; }
  .bundle-radio { left: 13px; width: 14px; height: 14px; }
  .bundle-badge { min-height: 29px; font-size: 10px; }
  .bundle-image { width: 72px; height: 70px; }
  .bundle-name { font-size: 11px; }
  .bundle-price { font-size: 21px; }
  .bundle-unit { font-size: 10px; }
  .bundle-discount { margin-top: 7px; padding: 5px 7px; font-size: 9px; }
  .bundle-total { min-height: 37px; padding: 8px 9px; gap: 6px; font-size: 10px; }
  .bundle-total strong { font-size: 10px; }
  .buy-button { min-height: 56px; padding-inline: 12px; font-size: 15px; }
  .section-cta { margin-top: 24px; }
  .checkout-reassurance { grid-template-columns: 1fr; gap: 6px; font-size: 12px; }
  .checkout-reassurance span { padding: 7px; }
  .stock-notice { font-size: 12.5px; }
  .stock-notice small { font-size: 12px; }

  .product-info-accordions { padding: 4px 0 36px; }
  .product-info-accordions summary,
  .faq-list summary { padding: 17px 38px 17px 0; font-size: 15px; }
  .product-info-accordions details > p,
  .faq-list details > p { padding-right: 10px; font-size: 14px; line-height: 1.7; }

  .results-section { padding: 50px 0 56px; }
  .results-section h2 { margin-bottom: 26px; font-size: 27px; }
  .results-scroll {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 88%;
    scroll-behavior: smooth;
    gap: 14px;
    overflow-x: auto;
    padding: 2px 2px 12px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }
  .results-carousel .results-arrow { display: grid; }
  .result-card { scroll-snap-align: center; }
  .result-copy { padding: 17px; }
  .result-copy p { font-size: 14px; }
  .result-tags span { font-size: 12px; }

  .principles-section { padding: 54px 0 60px; }
  .section-heading.compact h2 { font-size: 28px; }
  .section-heading.compact p { margin-top: 10px; font-size: 15px; }
  .principle,
  .principle.principle-reverse { margin-top: 48px; display: flex; flex-direction: column; gap: 22px; }
  .principle-reverse .principle-copy,
  .principle-reverse .principle-media { order: initial; }
  .principle-copy h3 { margin-bottom: 14px; font-size: 24px; }
  .principle-copy p { font-size: 15px; line-height: 1.7; }
  .principle-media { width: 100%; border-radius: 13px; }
  .study-box summary { font-size: 13px; }
  .study-box > div p { font-size: 13px; }
  .principle-cta { min-height: 50px; font-size: 13px; }

  .reviews-section { padding: 54px 0 60px; }
  .review-image-column {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 88%;
    gap: 14px;
    overflow-x: auto;
    padding: 2px 2px 12px;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
  }
  .review-carousel .review-arrow { display: grid; }
  .review-image-column img { scroll-snap-align: center; border-radius: 10px; }

  .ingredients-section { padding: 54px 0 60px; }
  .ingredient-grid { margin-top: 28px; grid-template-columns: 1fr; gap: 14px; }
  .ingredient-card {
    padding: 18px;
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr);
    grid-template-areas:
      'image title'
      'image text'
      'image tag';
    column-gap: 16px;
    align-items: start;
  }
  .ingredient-card img { grid-area: image; width: 78px; height: 78px; margin: 0; }
  .ingredient-card h3 { grid-area: title; margin: 0 0 6px; font-size: 16px; }
  .ingredient-card p { grid-area: text; font-size: 14px; }
  .ingredient-card span { grid-area: tag; justify-self: start; margin-top: 11px; font-size: 12px; }

  .natural-strip { padding: 28px 20px; }
  .natural-strip > div { grid-template-columns: 1fr; gap: 20px; }
  .natural-strip strong { font-size: 14px; }

  .comparison-section { padding: 58px 0; }
  .comparison-copy h2 { font-size: 29px; }
  .comparison-copy p { font-size: 15px; }
  .comparison-table {
    width: calc(100% - 10px);
    margin: 20px auto 10px;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .comparison-column h3 { padding: 17px 10px; font-size: 18px; }
  .comparison-column p { min-height: 60px; padding: 12px 12px; font-size: 13px; line-height: 1.42; }
  .pepthair-column { margin: -10px 0; border-radius: 9px; }
  .pepthair-column h3 { padding: 21px 10px; font-size: 21px; }
  .others-column { margin: 10px 0; border: 1px solid #c7cdd2; border-radius: 9px; }

  .authority-section { padding: 56px 0 62px; }
  .authority-container { width: calc(100% - 32px); }
  .authority-heading { margin-bottom: 28px; }
  .authority-eyebrow { gap: 10px; font-size: 18px; }
  .authority-eyebrow::before,
  .authority-eyebrow::after { width: 28px; }
  .authority-heading h2 { font-size: 29px; }
  .authority-heading > p { margin-top: 13px; font-size: 14px; }
  .authority-scroll { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 88%; gap: 14px; overflow-x: auto; padding: 2px 2px 12px; scroll-behavior: smooth; scroll-snap-type: x mandatory; scrollbar-width: thin; }
  .authority-carousel .authority-arrow { display: grid; }
  .authority-card { min-height: 350px; padding: 19px; scroll-snap-align: center; }
  .authority-card h3 { font-size: 16px; }
  .authority-card blockquote { font-size: 14px; }

  .guarantee-section { padding: 56px 0 62px; }
  .guarantee-content { width: calc(100% - 32px); }
  .guarantee-content h2 { font-size: 29px; }
  .guarantee-layout { grid-template-columns: 1fr; gap: 22px; margin-top: 25px; text-align: center; }
  .guarantee-image { max-width: none; border-radius: 13px; }
  .guarantee-copy h3 { margin: 0 0 17px; font-size: 18px; }
  .guarantee-copy p { font-size: 15px; }
  .guarantee-copy .buy-button { margin: 24px 0 0; }

  .faq-section { padding: 56px 0 62px; }
  .faq-container h2 { margin-bottom: 20px; font-size: 29px; }
  .faq-list { padding: 0 17px; border-radius: 12px; }

  .principle-cta,
  .guarantee-copy .buy-button {
    width: min(100%, 320px);
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  .section-cta {
    width: min(calc(100% - 32px), 320px);
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }

  .site-footer { padding: 32px 16px 24px; }
  .site-footer img { width: 132px; margin-bottom: 17px; }
  .site-footer .footer-badges { width: 70%; height: 42px; margin-bottom: 18px; }
  .footer-payments { gap: 7px; margin-bottom: 18px; }
  .payment-badge { width: 35px; height: 23px; }
  .footer-disclaimer { font-size: 11px; line-height: 1.55; }

}

@media (max-width: 380px) {
  .sale-bar { font-size: 9px; }
  .product-panel { padding: 17px; }
  .product-panel h1 { font-size: 28px; }
  .bundle-main { padding-left: 36px; grid-template-columns: 64px minmax(0, 1fr); gap: 9px; }
  .bundle-radio { left: 11px; }
  .bundle-image { width: 64px; height: 64px; }
  .bundle-name { font-size: 10px; }
  .bundle-price { font-size: 19px; }
  .bundle-discount { font-size: 8px; }
  .bundle-total { gap: 5px; font-size: 9px; }
  .bundle-total strong { font-size: 9px; }
}