.prf-sales-page {
  --prf-navy: #071f33;
  --prf-blue: #0e304a;
  --prf-yellow: #f7c928;
  --prf-paper: #f7f6f0;
  --prf-violet: #061d4f;
  --prf-coral: #8a5200;
  --prf-line: rgba(7, 31, 51, 0.16);
  overflow: clip;
  background: var(--prf-paper);
  color: var(--prf-navy);
}

.prf-sales-page h1,
.prf-sales-page h2,
.prf-sales-page h3 {
  color: inherit;
}

.prf-sales-page h2 {
  margin-bottom: 20px;
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.prf-eyebrow {
  margin-bottom: 18px;
  color: #7a4900;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.3;
  text-transform: uppercase;
}

.prf-hero {
  position: relative;
  overflow: hidden;
  color: var(--prf-navy);
  background: #f7f3ea;
  border-bottom: 8px solid var(--prf-yellow);
}

.prf-hero__grid {
  min-height: 760px;
  padding-block: 54px 62px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(460px, 0.92fr);
  align-items: center;
  gap: clamp(36px, 4vw, 58px);
}

.prf-hero__copy,
.prf-hero__visual,
.prf-section__grid > *,
.prf-offer__panel > * {
  min-width: 0;
}

.prf-back-link {
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #4f5f6d;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.prf-back-link:hover {
  color: var(--prf-coral);
}

.prf-hero .prf-eyebrow {
  color: #7a4900;
}

.prf-hero h1 {
  max-width: 720px;
  margin-bottom: 20px;
  color: var(--prf-navy);
  font-size: clamp(46px, 4.1vw, 60px);
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.prf-hero__product-name {
  max-width: 650px;
  margin-bottom: 24px;
  color: #394b59;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.prf-hero__promise {
  max-width: 660px;
  margin-bottom: 20px;
  color: #fff;
  font-size: clamp(22px, 2.3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.prf-hero__lead {
  max-width: 650px;
  margin-bottom: 14px;
  color: #435562;
  font-size: 18px;
  line-height: 1.58;
}

.prf-price {
  margin-bottom: 22px;
  display: flex;
  align-items: flex-end;
  gap: 14px;
}

.prf-price__value {
  color: var(--prf-yellow);
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.prf-price__value strong {
  font-size: 58px;
  font-weight: 900;
}

.prf-price__detail {
  padding-bottom: 7px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 700;
}

.prf-hero__actions,
.prf-final-cta__actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.55fr);
  gap: 12px;
}

.prf-cta-slot,
.prf-cta-slot > * {
  width: 100%;
}

.prf-primary-cta,
.prf-secondary-cta {
  min-height: 60px;
  padding: 15px 20px;
  border-radius: 8px;
  font-size: 16px;
  white-space: normal;
}

.prf-primary-cta {
  color: var(--prf-navy);
  background: var(--prf-yellow);
  border-color: var(--prf-yellow);
}

.prf-primary-cta:hover {
  color: var(--prf-navy);
  background: #ffd84f;
}

.prf-primary-cta.is-disabled,
.prf-primary-cta:disabled {
  color: rgba(7, 31, 51, 0.82);
  background: rgba(247, 201, 40, 0.78);
  border-color: rgba(247, 201, 40, 0.78);
  cursor: not-allowed;
  transform: none;
}

.prf-secondary-cta {
  color: var(--prf-navy);
  background: transparent;
  border-color: rgba(7, 31, 51, 0.42);
}

.prf-secondary-cta:hover {
  color: #fff;
  background: var(--prf-navy);
}

.prf-checkout-note {
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
  line-height: 1.5;
}

.prf-hero__visual {
  position: relative;
  width: 100%;
  min-height: 630px;
  overflow: visible;
  background: transparent;
  border: 0;
  box-shadow: none;
  isolation: isolate;
  perspective: 1400px;
}

.prf-mockup {
  position: absolute;
  margin: 0;
}

.prf-mockup img {
  width: 100%;
  height: auto;
}

.prf-mockup--book {
  top: 4px;
  right: 24px;
  z-index: 3;
  width: min(405px, 76%);
  transform: rotateY(-8deg) rotateZ(0.5deg);
  transform-origin: center right;
}

.prf-mockup--book img {
  position: relative;
  z-index: 2;
  border-radius: 3px 8px 8px 3px;
  filter: drop-shadow(24px 30px 25px rgba(7, 31, 51, 0.24));
}

.prf-mockup__book-edge {
  position: absolute;
  top: 5px;
  right: -8px;
  bottom: 5px;
  width: 12px;
  background: #e6dfd0;
  border-radius: 0 5px 5px 0;
  transform: skewY(28deg);
}

.prf-mockup--tablet {
  left: -10px;
  bottom: 12px;
  z-index: 2;
  width: min(305px, 56%);
  transform: rotateZ(-5deg) rotateY(7deg);
}

.prf-mockup--phone {
  right: -2px;
  bottom: 2px;
  z-index: 4;
  width: min(142px, 27%);
  transform: rotateZ(4deg);
}

.prf-mockup__screen {
  overflow: hidden;
  padding: 10px;
  background: #101923;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  box-shadow: 20px 26px 34px rgba(7, 31, 51, 0.26);
}

.prf-mockup--phone .prf-mockup__screen {
  padding: 7px;
  border-radius: 20px;
}

.prf-mockup__screen img {
  border-radius: 9px;
}

.prf-evidence {
  color: var(--prf-navy);
  background: #fff;
  border-bottom: 1px solid var(--prf-line);
}

.prf-evidence__grid {
  min-height: 138px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.prf-evidence__grid > div {
  padding: 28px clamp(18px, 3vw, 42px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.prf-evidence__grid > div + div {
  border-left: 1px solid var(--prf-line);
}

.prf-evidence strong {
  color: var(--prf-blue);
  font-size: clamp(34px, 4vw, 48px);
  letter-spacing: -0.05em;
  line-height: 1;
}

.prf-evidence strong.prf-evidence__all {
  font-size: clamp(28px, 3.2vw, 42px);
}

.prf-evidence span {
  margin-top: 8px;
  color: #596571;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.prf-problem {
  background: #fff;
}

.prf-problem__panel {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  gap: 34px clamp(54px, 7vw, 104px);
  align-items: start;
}

.prf-problem__copy > p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  color: #556571;
  font-size: 17px;
  line-height: 1.7;
}

.prf-problem__list {
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--prf-line);
}

.prf-problem__other-materials {
  margin: 0 0 12px;
  color: #8c321f;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.035em;
  line-height: 1.45;
  text-transform: uppercase;
}

.prf-problem__list li {
  min-height: 86px;
  padding: 20px 4px;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 15px;
  border-bottom: 1px solid var(--prf-line);
  color: #324755;
  font-weight: 800;
  line-height: 1.45;
}

.prf-problem__list i {
  color: var(--prf-coral);
  font-size: 28px;
}

.prf-problem__closing {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  padding: 25px 30px;
  color: var(--prf-navy);
  background: #f7f3ea;
  border-left: 5px solid var(--prf-yellow);
  font-size: clamp(20px, 2.2vw, 27px);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.prf-format {
  background: #fff;
}

.prf-format__heading {
  max-width: 940px;
}

.prf-format__heading > p:last-child {
  max-width: 860px;
  font-size: 18px;
  line-height: 1.7;
}

.prf-format__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 42px;
  border: 1px solid var(--prf-line);
}

.prf-format__card {
  min-height: 430px;
  padding: clamp(34px, 4vw, 52px);
}

.prf-format__card--passive {
  color: var(--prf-navy);
  background: #f7f3ea;
}

.prf-format__card--active {
  color: #fff;
  background: var(--prf-navy);
}

.prf-format__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--prf-coral);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.055em;
  line-height: 1.4;
  text-transform: uppercase;
}

.prf-format__card--active .prf-format__label {
  color: var(--prf-yellow);
}

.prf-format__label i {
  flex: 0 0 auto;
  font-size: 25px;
}

.prf-format__card h3 {
  max-width: 500px;
  margin-bottom: 28px;
  font-size: clamp(24px, 2.3vw, 34px);
  letter-spacing: -0.035em;
  line-height: 1.16;
}

.prf-format__card ul {
  margin: 0;
  padding-left: 22px;
}

.prf-format__card li {
  padding-left: 5px;
  color: #52616c;
  font-size: 16px;
  line-height: 1.65;
}

.prf-format__card li + li {
  margin-top: 15px;
}

.prf-format__card li::marker {
  color: var(--prf-coral);
}

.prf-format__card--active li {
  color: rgba(255, 255, 255, 0.78);
}

.prf-format__card--active li::marker {
  color: var(--prf-yellow);
}

.prf-format__closing {
  margin: 0;
  padding: 24px 30px;
  color: var(--prf-navy);
  background: var(--prf-yellow);
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 850;
  line-height: 1.45;
}

.prf-section {
  padding-block: 108px;
}

.prf-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(54px, 8vw, 110px);
  align-items: start;
}

.prf-section__intro {
  position: sticky;
  top: 124px;
}

.prf-section__intro > p:last-child,
.prf-section__heading > p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  color: #5d6872;
  font-size: 17px;
}

.prf-section__heading {
  max-width: 840px;
  margin-bottom: 56px;
}

.prf-included {
  background: var(--prf-paper);
}

.prf-included__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--prf-line);
}

.prf-included__list article {
  min-height: 196px;
  padding: 32px 30px 28px 0;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 18px;
  border-bottom: 1px solid var(--prf-line);
}

.prf-included__list article:nth-child(even) {
  padding-left: 30px;
  border-left: 1px solid var(--prf-line);
}

.prf-included__list i {
  color: var(--prf-coral);
  font-size: 36px;
}

.prf-included__list h3 {
  margin-bottom: 9px;
  font-size: 19px;
  line-height: 1.25;
}

.prf-included__list p {
  margin-bottom: 0;
  color: #5d6872;
  font-size: 14px;
  line-height: 1.6;
}

.prf-benefits {
  color: #fff;
  background: var(--prf-blue);
}

.prf-benefits .prf-eyebrow {
  color: var(--prf-yellow);
}

.prf-benefits .prf-section__heading {
  max-width: 900px;
}

.prf-benefits__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.prf-benefits__grid article {
  min-height: 300px;
  padding: 32px 26px 26px;
  background: var(--prf-blue);
}

.prf-benefits__grid span {
  display: inline-block;
  margin-bottom: 48px;
  color: var(--prf-yellow);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.prf-benefits__grid h3 {
  margin-bottom: 12px;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.prf-benefits__grid p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
  line-height: 1.65;
}

.prf-gallery {
  background: #fff;
}

.prf-gallery__header {
  margin-bottom: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.34fr);
  align-items: end;
  gap: 40px;
}

.prf-gallery__header .prf-section__heading {
  margin-bottom: 0;
}

.prf-gallery__sample .prf-secondary-cta {
  color: var(--prf-navy);
  border-color: rgba(7, 31, 51, 0.34);
}

.prf-gallery__sample .prf-secondary-cta:hover {
  color: #fff;
  background: var(--prf-navy);
}

.prf-gallery__instruction {
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #52636f;
  font-size: 13px;
  font-weight: 800;
}

.prf-gallery__instruction i {
  color: var(--prf-coral);
  font-size: 20px;
}

.prf-gallery__grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(760px, calc(100vw - 72px));
  gap: 24px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 4px 4px 24px;
  scroll-snap-type: inline mandatory;
  scrollbar-color: var(--prf-coral) #e7e2d9;
  scrollbar-width: thin;
}

.prf-gallery__item {
  margin: 0;
  scroll-snap-align: start;
}

.prf-gallery__item button {
  position: relative;
  width: 100%;
  padding: 0;
  overflow: hidden;
  background: var(--prf-paper);
  border: 1px solid var(--prf-line);
  border-radius: 5px;
  box-shadow: 0 18px 38px rgba(7, 31, 51, 0.08);
}

.prf-gallery__item button:hover img {
  transform: scale(1.018);
}

.prf-gallery__item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1191 / 1684;
  object-fit: contain;
  transition: transform 180ms ease;
}

.prf-gallery__item button > span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--prf-navy);
  border-radius: 50%;
  font-size: 20px;
}

.prf-gallery__item figcaption {
  padding: 13px 4px 0;
  color: #596571;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.prf-disciplines {
  background: var(--prf-paper);
}

.prf-disciplines__list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  list-style: none;
  border-top: 1px solid var(--prf-line);
}

.prf-disciplines__list li {
  min-height: 78px;
  padding: 18px 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--prf-line);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
}

.prf-disciplines__list span {
  color: var(--prf-coral);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.prf-audience {
  padding-top: 0;
  background: var(--prf-paper);
}

.prf-audience__panel {
  padding: clamp(42px, 6vw, 74px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: 44px 72px;
  color: #fff;
  background: var(--prf-navy);
  border-radius: 10px;
}

.prf-audience__panel .prf-eyebrow {
  color: var(--prf-yellow);
}

.prf-audience__panel h2 {
  margin-bottom: 0;
}

.prf-audience__panel ul {
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  list-style: none;
}

.prf-audience__panel li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.55;
}

.prf-audience__panel li i {
  padding-top: 3px;
  color: var(--prf-yellow);
}

.prf-audience__clarification {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 24px;
  display: flex;
  gap: 12px;
  color: rgba(255, 255, 255, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
}

.prf-audience__clarification i {
  flex: 0 0 auto;
  color: var(--prf-yellow);
  font-size: 20px;
}

.prf-urgency {
  color: #fff;
  background: var(--prf-blue);
}

.prf-urgency__panel {
  max-width: 1080px;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  align-items: start;
  gap: clamp(32px, 5vw, 70px);
}

.prf-urgency__icon {
  width: 110px;
  height: 110px;
  display: grid;
  place-items: center;
  color: var(--prf-navy);
  background: var(--prf-yellow);
  border-radius: 50%;
  font-size: 48px;
}

.prf-urgency .prf-eyebrow {
  color: var(--prf-yellow);
}

.prf-urgency h2 {
  max-width: 860px;
}

.prf-urgency p:last-child {
  max-width: 820px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.7;
}

.prf-faq {
  background: var(--prf-paper);
}

.prf-faq__grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: clamp(50px, 8vw, 110px);
  align-items: start;
}

.prf-faq__list {
  border-top: 1px solid var(--prf-line);
}

.prf-faq__list details {
  border-bottom: 1px solid var(--prf-line);
}

.prf-faq__list summary {
  min-height: 82px;
  padding: 22px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--prf-navy);
  font-weight: 800;
  list-style: none;
}

.prf-faq__list summary::-webkit-details-marker {
  display: none;
}

.prf-faq__list summary i {
  flex: 0 0 auto;
  transition: transform 160ms ease;
}

.prf-faq__list details[open] summary i {
  transform: rotate(180deg);
}

.prf-faq__list details p {
  max-width: 760px;
  margin: -4px 50px 26px 4px;
  color: #5d6872;
  font-size: 15px;
}

.prf-independence {
  padding-block: 30px;
  color: var(--prf-navy);
  background: #fff;
  border-block: 1px solid var(--prf-line);
}

.prf-independence .container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.prf-independence i {
  flex: 0 0 auto;
  color: var(--prf-coral);
  font-size: 30px;
}

.prf-independence p {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
}

.prf-final-cta {
  padding-block: 104px;
  color: #fff;
  background: var(--prf-navy);
}

.prf-final-cta__inner {
  max-width: 900px;
  text-align: center;
}

.prf-final-cta .prf-eyebrow {
  color: var(--prf-yellow);
}

.prf-final-cta h2 {
  max-width: 760px;
  margin: 0 auto 30px;
  font-size: clamp(40px, 5vw, 62px);
}

.prf-final-cta__lead {
  max-width: 760px;
  margin: 0 auto 24px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
  line-height: 1.65;
}

.prf-final-cta__summary {
  margin: 0 auto 30px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  list-style: none;
}

.prf-final-cta__summary li {
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.prf-final-cta__price {
  margin-bottom: 28px;
  display: grid;
  justify-items: center;
  color: var(--prf-yellow);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
}

.prf-final-cta__price strong {
  font-size: clamp(58px, 7vw, 78px);
}

.prf-final-cta__price span {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  letter-spacing: 0.02em;
}

.prf-final-cta__actions {
  max-width: 560px;
  margin-inline: auto;
  grid-template-columns: 1fr;
}

.prf-final-cta .prf-secondary-cta {
  min-height: 44px;
  padding-block: 8px;
  color: #fff;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.prf-final-cta .prf-secondary-cta:hover {
  color: var(--prf-yellow);
  background: transparent;
}

.prf-guarantee-seal {
  max-width: 610px;
  margin: 30px auto 0;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 17px;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(247, 201, 40, 0.55);
  border-radius: 18px;
  text-align: left;
}

.prf-guarantee-seal > i {
  flex: 0 0 auto;
  color: var(--prf-yellow);
  font-size: 48px;
}

.prf-guarantee-seal strong,
.prf-guarantee-seal span {
  display: block;
}

.prf-guarantee-seal strong {
  margin-bottom: 5px;
  color: var(--prf-yellow);
  font-size: 18px;
  line-height: 1.3;
}

.prf-guarantee-seal span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.5;
}

body.prf-lightbox-open,
body.prf-sample-gate-open {
  overflow: hidden;
}

.prf-sample-gate[hidden] {
  display: none !important;
}

.prf-sample-gate {
  --prf-navy: #071f33;
  --prf-yellow: #f7c928;
  --prf-paper: #f7f6f0;
  position: fixed;
  inset: 0;
  z-index: 950;
  padding: 24px;
  display: grid;
  place-items: center;
  color: var(--prf-navy);
  background: rgba(4, 16, 27, 0.86);
}

.prf-sample-gate__backdrop {
  position: absolute;
  inset: 0;
}

.prf-sample-gate__dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 570px);
  max-height: calc(100vh - 48px);
  padding: 42px;
  overflow-y: auto;
  background: var(--prf-paper);
  border-top: 7px solid var(--prf-yellow);
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
}

.prf-sample-gate__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--prf-navy);
  border: 0;
  border-radius: 50%;
  font-size: 21px;
}

.prf-sample-gate .prf-eyebrow {
  margin: 0 54px 14px 0;
  color: #8c321f;
}

.prf-sample-gate h2 {
  margin: 0 48px 14px 0;
  color: var(--prf-navy);
  font-size: clamp(32px, 5vw, 44px);
  letter-spacing: -0.045em;
  line-height: 1.06;
}

.prf-sample-gate__dialog > p:not(.prf-eyebrow),
.prf-sample-gate__success > p:not(.prf-eyebrow) {
  margin: 0;
  color: #52636f;
  line-height: 1.65;
}

.prf-sample-gate__form {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.prf-sample-gate__form > label:not(.prf-sample-gate__consent) {
  color: var(--prf-navy);
  font-size: 14px;
  font-weight: 800;
}

.prf-sample-gate__form > input[type="email"] {
  width: 100%;
  min-height: 54px;
  padding: 12px 14px;
  color: var(--prf-navy);
  background: #fff;
  border: 1px solid #9eabb5;
  border-radius: 8px;
  font: inherit;
}

.prf-sample-gate__form > input[type="email"]:focus-visible {
  border-color: var(--prf-navy);
  outline: 3px solid rgba(247, 201, 40, 0.72);
  outline-offset: 2px;
}

.prf-sample-gate__consent {
  margin-block: 5px 2px;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  color: #52636f;
  font-size: 12px;
  line-height: 1.55;
}

.prf-sample-gate__consent input {
  width: 19px;
  height: 19px;
  margin-top: 1px;
}

.prf-sample-gate__consent a {
  color: var(--prf-navy);
  font-weight: 800;
}

.prf-sample-gate__submit,
.prf-sample-gate__download {
  width: 100%;
  min-height: 58px;
  color: var(--prf-navy);
  background: var(--prf-yellow);
  border-color: var(--prf-yellow);
}

.prf-sample-gate__submit:disabled {
  cursor: wait;
  opacity: 0.72;
}

.prf-sample-gate__note {
  margin: 2px 0 0;
  color: #6b747b;
  font-size: 12px;
  text-align: center;
}

.prf-sample-gate__error {
  margin-top: 18px !important;
  padding: 12px 14px;
  color: #6b1f17 !important;
  background: #ffe5df;
  border-left: 4px solid #e56b55;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 700;
}

.prf-sample-gate__success {
  text-align: center;
}

.prf-sample-gate__success .prf-eyebrow,
.prf-sample-gate__success h2 {
  margin-right: 0;
}

.prf-sample-gate__success-icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  color: #fff;
  background: #147a55;
  border-radius: 50%;
  font-size: 34px;
}

.prf-sample-gate__download {
  margin-top: 26px;
}

.prf-lightbox[hidden] {
  display: none !important;
}

.prf-lightbox {
  --prf-navy: #071f33;
  --prf-blue: #0e304a;
  --prf-paper: #f7f6f0;
  position: fixed;
  inset: 0;
  z-index: 900;
  padding: 24px;
  display: grid;
  place-items: center;
  background: rgba(4, 16, 27, 0.9);
}

.prf-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: transparent;
}

.prf-lightbox__dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 960px);
  max-height: calc(100vh - 48px);
  padding: 18px;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  color: var(--prf-navy);
  background: var(--prf-paper);
  border-radius: 10px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.38);
}

.prf-lightbox__close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--prf-navy);
  border: 0;
  border-radius: 50%;
  font-size: 22px;
}

.prf-lightbox__media {
  min-height: 0;
  min-width: 0;
  display: grid;
  place-items: start center;
  overflow: auto;
  overscroll-behavior: contain;
  background: #e9e6df;
}

.prf-lightbox__media img {
  display: block;
  width: 794px;
  max-width: none;
  max-height: none;
  height: auto;
}

.prf-lightbox__hint {
  margin: 10px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #5b6974;
  font-size: 12px;
  font-weight: 800;
}

.prf-lightbox__footer {
  min-height: 72px;
  padding-top: 14px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.prf-lightbox__footer > button {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--prf-blue);
  border: 0;
  border-radius: 50%;
  font-size: 20px;
}

.prf-lightbox__footer p {
  margin: 0 0 3px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
}

.prf-lightbox__footer span {
  color: #65717a;
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 1100px) {
  .prf-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.82fr);
    gap: 42px;
  }

  .prf-hero__actions,
  .prf-final-cta__actions {
    grid-template-columns: 1fr;
  }

  .prf-hero__visual {
    min-height: 590px;
  }

  .prf-mockup--book {
    right: 48px;
  }

  .prf-section__grid {
    gap: 56px;
  }

  .prf-benefits__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .prf-hero__grid {
    padding-top: 62px;
    grid-template-columns: 1fr;
  }

  .prf-hero__copy {
    max-width: 720px;
  }

  .prf-hero__visual {
    width: min(100%, 620px);
    min-height: 620px;
    margin-inline: auto;
  }

  .prf-hero__actions,
  .prf-final-cta__actions {
    grid-template-columns: minmax(0, 1fr) minmax(210px, 0.58fr);
  }

  .prf-evidence__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .prf-section {
    padding-block: 84px;
  }

  .prf-section__grid,
  .prf-faq__grid {
    grid-template-columns: 1fr;
  }

  .prf-problem__panel {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .prf-problem__closing {
    margin-top: 0;
  }

  .prf-format__grid {
    grid-template-columns: 1fr;
  }

  .prf-format__card {
    min-height: 0;
  }

  .prf-section__intro {
    position: static;
    max-width: 760px;
  }

  .prf-benefits__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .prf-gallery__grid {
    grid-auto-columns: min(680px, calc(100vw - 56px));
  }

  .prf-gallery__header {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 24px;
  }

  .prf-gallery__sample {
    width: min(100%, 330px);
  }

  .prf-audience__panel {
    grid-template-columns: 1fr;
  }

  .prf-urgency__panel {
    grid-template-columns: 90px minmax(0, 1fr);
  }

  .prf-urgency__icon {
    width: 90px;
    height: 90px;
    font-size: 40px;
  }
}

@media (max-width: 620px) {
  .prf-hero__grid {
    min-height: auto;
    padding-block: 48px 52px;
    gap: 36px;
  }

  .prf-back-link {
    margin-bottom: 34px;
  }

  .prf-hero h1 {
    font-size: 42px;
    line-height: 1;
  }

  .prf-hero__product-name {
    font-size: 15px;
  }

  .prf-hero__promise {
    font-size: 21px;
  }

  .prf-hero__lead {
    font-size: 15px;
  }

  .prf-price__value strong {
    font-size: 50px;
  }

  .prf-hero__actions,
  .prf-final-cta__actions {
    grid-template-columns: 1fr;
  }

  .prf-hero__visual {
    min-height: 460px;
  }

  .prf-mockup--book {
    top: 0;
    right: 26px;
    width: 255px;
  }

  .prf-mockup--tablet {
    left: -4px;
    bottom: 8px;
    width: 198px;
  }

  .prf-mockup--phone {
    right: 0;
    bottom: 2px;
    width: 94px;
  }

  .prf-mockup__screen {
    padding: 6px;
    border-radius: 12px;
  }

  .prf-evidence__grid {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .prf-evidence__grid > div {
    min-height: 112px;
    padding: 22px 12px;
  }

  .prf-evidence__grid > div + div {
    border-top: 1px solid var(--prf-line);
    border-left: 0;
  }

  .prf-evidence strong {
    font-size: 36px;
  }

  .prf-evidence span {
    font-size: 10px;
  }

  .prf-section {
    padding-block: 68px;
  }

  .prf-section h2 {
    font-size: 36px;
  }

  .prf-section__heading {
    margin-bottom: 38px;
  }

  .prf-format__grid {
    margin-top: 30px;
  }

  .prf-format__card {
    padding: 30px 24px;
  }

  .prf-format__card h3 {
    font-size: 27px;
  }

  .prf-format__closing {
    padding: 22px 24px;
    font-size: 17px;
  }

  .prf-included__list {
    grid-template-columns: 1fr;
  }

  .prf-included__list article,
  .prf-included__list article:nth-child(even) {
    min-height: 0;
    padding: 26px 0;
    border-left: 0;
  }

  .prf-benefits__grid {
    grid-template-columns: 1fr;
  }

  .prf-benefits__grid article,
  .prf-benefits__grid article + article {
    min-height: 0;
    padding: 28px 24px;
    border-left: 0;
  }

  .prf-benefits__grid span {
    margin-bottom: 24px;
  }

  .prf-gallery__grid {
    grid-auto-columns: calc(100vw - 48px);
    gap: 18px;
  }

  .prf-gallery__item figcaption {
    font-size: 13px;
  }

  .prf-gallery__item button > span {
    right: 8px;
    bottom: 8px;
    width: 36px;
    height: 36px;
  }

  .prf-disciplines__list {
    grid-template-columns: 1fr;
  }

  .prf-audience {
    padding-top: 0;
  }

  .prf-audience__panel {
    padding: 34px 24px;
    gap: 32px;
  }

  .prf-urgency__panel {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .prf-urgency__icon {
    width: 72px;
    height: 72px;
    font-size: 34px;
  }

  .prf-faq__list summary {
    min-height: 74px;
    padding-block: 19px;
    font-size: 14px;
  }

  .prf-faq__list details p {
    margin-right: 4px;
    font-size: 14px;
  }

  .prf-independence .container {
    align-items: flex-start;
  }

  .prf-final-cta {
    padding-block: 76px;
  }

  .prf-final-cta h2 {
    font-size: 38px;
  }

  .prf-guarantee-seal {
    align-items: flex-start;
    padding: 18px;
  }

  .prf-guarantee-seal > i {
    font-size: 40px;
  }

  .prf-sample-gate {
    padding: 10px;
  }

  .prf-sample-gate__dialog {
    max-height: calc(100vh - 20px);
    padding: 38px 22px 26px;
  }

  .prf-sample-gate h2 {
    margin-right: 36px;
    font-size: 34px;
  }

  .prf-sample-gate__success h2 {
    margin-right: 0;
  }

  .prf-final-cta__lead {
    font-size: 16px;
  }

  .prf-lightbox {
    padding: 10px;
  }

  .prf-lightbox__dialog {
    max-height: calc(100vh - 20px);
    padding: 10px;
  }

  .prf-lightbox__media img {
    width: 720px;
    max-width: none;
    max-height: none;
  }

  .prf-lightbox__footer {
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    gap: 8px;
  }

  .prf-lightbox__footer p {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .prf-gallery__item img,
  .prf-faq__list summary i {
    transition: none;
  }
}
