/* ================================================================
   BluH2 Flow product page
   Uses the global BluH2 system in styles.css and adds page-only rules.
   ================================================================ */

.flow-product-page {
  --flow-announcement-height: 34px;
  background: var(--white);
}

.flow-announcement {
  position: fixed;
  z-index: 1100;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  min-height: var(--flow-announcement-height);
  place-items: center;
  padding-inline: 20px;
  color: #c9d8e6;
  background: #030b14;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: center;
  text-transform: uppercase;
}

.flow-product-page .site-header {
  top: var(--flow-announcement-height);
  background: rgba(5, 16, 29, 0.97);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(18px);
}

.flow-product-page .site-header::before {
  display: none;
}

@media (min-width: 901px) {
  .flow-product-page .site-header.is-scrolled {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.97);
    border-color: rgba(7, 21, 38, 0.1);
  }
}

.flow-product-page main {
  padding-top: calc(var(--flow-announcement-height) + 84px);
}

/* Primary product area */
.flow-primary {
  padding-block: 38px clamp(84px, 8vw, 120px);
  background: var(--mist);
}

.flow-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.flow-breadcrumb a {
  color: var(--ocean);
  font-weight: 600;
}

.flow-product-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  gap: clamp(46px, 6vw, 88px);
}

.flow-gallery {
  min-width: 0;
}

.flow-gallery-stage {
  position: relative;
  min-height: 700px;
  overflow: hidden;
  background: #e1ebf5;
  border: 1px solid rgba(7, 21, 38, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  isolation: isolate;
  touch-action: pan-y;
}

.flow-gallery-slide {
  position: absolute;
  inset: 0;
  visibility: hidden;
  opacity: 0;
  transition: opacity 260ms ease, visibility 260ms ease;
}

.flow-gallery-slide.is-active {
  visibility: visible;
  opacity: 1;
}

.flow-gallery-slide img {
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: cover;
}

.flow-gallery-slide:nth-child(1) img {
  object-position: center;
}

.flow-gallery-slide:nth-child(2) img {
  object-position: center;
}

.flow-gallery-slide:nth-child(3) img {
  object-position: 50% 52%;
}

.flow-gallery-slide:nth-child(4) img {
  object-position: 50% center;
}

.flow-gallery-stage::after {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  height: 24%;
  content: "";
  pointer-events: none;
  background: linear-gradient(to top, rgba(4, 18, 31, 0.18), transparent);
}

.flow-gallery-control {
  position: absolute;
  z-index: 4;
  bottom: 22px;
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(7, 21, 38, 0.12);
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: color var(--transition), background var(--transition), transform var(--transition);
}

.flow-gallery-control:hover {
  color: var(--white);
  background: var(--ocean);
  transform: translateY(-2px);
}

.flow-gallery-prev {
  left: 22px;
}

.flow-gallery-next {
  left: 78px;
}

.flow-gallery-count {
  position: absolute;
  z-index: 4;
  right: 24px;
  bottom: 28px;
  margin: 0;
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
}

.flow-thumbnails {
  display: grid;
  margin-top: 14px;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.flow-thumbnail {
  position: relative;
  min-width: 0;
  height: 96px;
  padding: 0;
  overflow: hidden;
  background: #dfe8f0;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0.62;
  transition: opacity var(--transition), border-color var(--transition), transform var(--transition);
}

.flow-thumbnail:hover,
.flow-thumbnail.is-active {
  border-color: var(--blue);
  opacity: 1;
  transform: translateY(-2px);
}

.flow-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.flow-thumbnail:nth-child(2) img {
  object-position: center;
}

.flow-purchase-panel {
  position: sticky;
  top: 146px;
}

.flow-purchase-panel h1 {
  max-width: 650px;
  margin: 0 0 20px;
  font-size: clamp(2.45rem, 3.8vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.flow-subtitle {
  margin-bottom: 18px;
  color: var(--ocean);
  font-size: 1.16rem;
  font-weight: 600;
  line-height: 1.45;
}

.flow-intro {
  max-width: 620px;
  margin-bottom: 27px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.flow-price-block {
  padding-block: 10px 14px;
  border: 0;
}

.field-label {
  display: block;
  margin-bottom: 5px;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.flow-price {
  margin: 0;
  font-size: 2rem;
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.flow-price-block small {
  color: var(--text-muted);
  font-size: 0.76rem;
}

.flow-highlights {
  display: grid;
  padding: 0;
  margin: 26px 0 16px;
  list-style: none;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}

.flow-highlights li {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
  padding: 0;
  color: #2d3d50;
  font-size: 0.9rem;
  font-weight: 550;
  line-height: 1.42;
}

.flow-highlight-icon {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  place-items: center;
}

.flow-highlight-icon img,
.flow-tech-symbol img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(45%) sepia(88%) saturate(1247%) hue-rotate(161deg) brightness(91%) contrast(91%);
}

.flow-ppm-note {
  margin-bottom: 26px;
  color: #758295;
  font-size: 0.69rem;
  line-height: 1.5;
}

.flow-purchase-controls {
  display: block;
  margin-top: 8px;
}

.flow-main-add {
  width: 100%;
}

.flow-trust-row {
  display: flex;
  margin-top: 12px;
  border: 0;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.flow-trust-row p {
  display: flex;
  padding: 9px 13px;
  margin: 0;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--ocean);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(20, 155, 215, 0.28);
  border-radius: 5px;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1.1;
  text-align: center;
  text-transform: uppercase;
}

.flow-trust-row .support-icon {
  width: 18px;
  height: 18px;
  flex-basis: 18px;
  color: var(--ocean);
}

.flow-trust-row .support-icon svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.7;
}

.flow-feedback-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-block: 20px;
  color: var(--ocean);
  font-size: 0.78rem;
  font-weight: 650;
}

.flow-product-accordion {
  margin-top: 18px;
  border: 0;
}

.flow-product-accordion details {
  border: 0;
}

.flow-product-accordion details + details {
  border-top: 1px solid rgba(7, 45, 67, 0.08);
}

.flow-product-accordion summary {
  position: relative;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 42px 16px 0;
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 650;
  list-style: none;
}

.flow-product-accordion summary::-webkit-details-marker {
  display: none;
}

.flow-product-accordion summary span,
.flow-product-accordion summary span::after {
  position: absolute;
  top: 50%;
  right: 4px;
  width: 14px;
  height: 1px;
  content: "";
  background: var(--ink);
  transition: transform var(--transition);
}

.flow-product-accordion summary span::after {
  top: 0;
  right: 0;
  transform: rotate(90deg);
}

.flow-product-accordion details[open] summary span::after {
  transform: rotate(0);
}

.flow-product-accordion details > p,
.flow-product-accordion details > ul {
  padding: 0 38px 20px 0;
  margin: -3px 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.flow-product-accordion details > ul {
  padding-left: 18px;
}

.flow-specs,
.flow-accordion-copy {
  max-width: 620px;
  padding: 0 38px 24px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.flow-specs section + section {
  margin-top: 24px;
}

.flow-specs h3 {
  margin-bottom: 9px;
  color: var(--ink-soft);
  font-size: 1rem;
  letter-spacing: -0.015em;
}

.flow-specs ul {
  padding-left: 20px;
  margin: 0;
}

.flow-specs li + li {
  margin-top: 4px;
}

.flow-accordion-copy p {
  margin: 0;
}

.flow-accordion-copy p + p {
  margin-top: 16px;
}

/* Benefit rhythm */
.flow-quick-strip {
  color: var(--white);
  background: var(--ocean);
}

.flow-quick-grid {
  display: grid;
  min-height: 116px;
  align-items: stretch;
  grid-template-columns: repeat(4, 1fr);
}

.flow-quick-grid p {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 14px;
  padding: 22px 26px;
  margin: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.35;
}

.flow-quick-grid p:first-child {
  padding-left: 0;
}

.flow-quick-grid p:last-child {
  padding-right: 0;
  border-right: 0;
}

.flow-quick-grid span {
  display: grid;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--cyan);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  font-size: 0.62rem;
}

.flow-benefits {
  background: var(--white);
}

.flow-section-heading {
  max-width: 850px;
  margin-bottom: 64px;
}

.flow-section-heading > p:not(.eyebrow),
.flow-section-heading-split > p {
  max-width: 590px;
  color: var(--text-muted);
}

.flow-section-heading-split {
  display: grid;
  max-width: none;
  align-items: end;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: clamp(50px, 8vw, 120px);
}

.flow-section-heading-split h2 {
  margin-bottom: 0;
}

@media (min-width: 1101px) {
  #comparison .flow-section-heading-split h2 {
    font-size: 3.75rem;
    line-height: 1.02;
  }
}

.flow-benefit-grid {
  display: grid;
  gap: 34px;
  border: 0;
  grid-template-columns: repeat(4, 1fr);
}

.benefit-list.flow-benefit-grid > li {
  display: block;
  min-height: 190px;
  padding: 20px 14px 10px 0;
  border: 0;
}

.benefit-list.flow-benefit-grid > li:first-child,
.benefit-list.flow-benefit-grid > li:last-child {
  border: 0;
}

.flow-benefit-grid .benefit-icon-asset {
  margin-bottom: 34px;
}

.flow-line-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 68px;
  place-items: center;
  color: var(--ocean);
  border: 1px solid #aebfca;
  border-radius: 50%;
  font-size: 1.25rem;
}

.flow-benefit-grid h3 {
  margin-bottom: 15px;
}

.flow-benefit-grid p {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* Customer feedback */
.flow-feedback {
  color: var(--white);
  background: var(--navy);
}

.flow-feedback .section-shell {
  display: grid;
  grid-template-columns: minmax(330px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(60px, 9vw, 130px);
}

.flow-feedback-heading {
  position: sticky;
  top: 146px;
  align-self: start;
}

.flow-feedback-track {
  border-top: 1px solid var(--line-dark);
}

.flow-feedback-track blockquote {
  padding: 48px 0;
  margin: 0;
  border-bottom: 1px solid var(--line-dark);
}

.flow-feedback-track blockquote > p {
  margin-bottom: 32px;
  font-size: clamp(1.25rem, 2.2vw, 1.9rem);
  letter-spacing: -0.035em;
  line-height: 1.45;
}

.flow-feedback-track footer {
  display: flex;
  flex-direction: column;
  line-height: 1.4;
}

.flow-feedback-track footer strong {
  font-size: 0.8rem;
}

.flow-feedback-track footer span {
  color: var(--text-on-dark);
  font-size: 0.74rem;
}

/* Comparison */
.flow-comparison {
  background: var(--paper);
}

.flow-table-wrap {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 55px rgba(7, 21, 38, 0.06);
}

.flow-comparison-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.flow-comparison-table th,
.flow-comparison-table td {
  height: 72px;
  padding: 17px 26px;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  text-align: left;
}

.flow-comparison-table th:first-child {
  width: 38%;
}

.flow-comparison-table thead th {
  height: 80px;
  color: #66778b;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.flow-comparison-table thead th:nth-child(2),
.flow-comparison-table tbody td:nth-child(2) {
  background: var(--mist-blue);
}

.flow-comparison-table thead th:nth-child(2) {
  color: var(--ocean);
}

.flow-comparison-table tbody th {
  font-weight: 600;
}

.flow-comparison-table tbody td:nth-child(2) {
  color: var(--ocean);
  font-weight: 650;
}

.flow-comparison-table tbody tr:last-child th,
.flow-comparison-table tbody tr:last-child td {
  border-bottom: 0;
}

.flow-table-note {
  padding: 18px 26px;
  margin: 0;
  color: #718093;
  background: #f6f9fa;
  border-top: 1px solid var(--line);
  font-size: 0.67rem;
}

/* Editorial benefit stories */
.flow-editorial {
  background: var(--white);
}

.flow-story-row {
  display: grid;
  width: var(--shell);
  min-height: 0;
  padding-block: 72px;
  margin-inline: auto;
  border-bottom: 1px solid var(--line);
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(44px, 7vw, 100px);
}

.flow-story-image {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  background: #bbc5cb;
  border-radius: var(--radius-md);
}

.flow-story-image::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(to top, rgba(4, 17, 29, 0.16), transparent 40%);
}

.flow-story-image img {
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: cover;
}

.flow-story-row:nth-child(1) img {
  object-position: 50% 54%;
}

.flow-story-row:nth-child(2) img {
  object-position: 44% center;
}

.flow-story-row:nth-child(3) img {
  object-position: 50% 54%;
}

.flow-story-copy {
  display: flex;
  max-width: 560px;
  justify-content: center;
  padding: 40px 0;
  flex-direction: column;
}

.flow-story-copy > p:not(.eyebrow) {
  max-width: 520px;
  color: var(--text-muted);
}

.flow-story-row-reverse .flow-story-image {
  grid-column: 2;
}

.flow-story-row-reverse .flow-story-copy {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
}

/* Technology */
.flow-technology {
  color: var(--white);
  background: #030b15;
}

.flow-technology .flow-tech-heading h2,
.flow-technology .flow-tech-list h3,
.flow-why .flow-why-heading h2 {
  color: var(--white);
}

.flow-tech-heading {
  display: grid;
  align-items: end;
  margin-bottom: 70px;
  grid-template-columns: 1fr auto;
}

.flow-tech-heading .eyebrow,
.flow-tech-heading h2 {
  grid-column: 1;
}

.flow-tech-heading h2 {
  margin-bottom: 0;
}

.flow-tech-heading > p:last-child {
  max-width: 430px;
  margin: 0 0 10px;
  color: #c3d0dc;
  grid-column: 2;
  grid-row: 1 / 3;
}

.flow-tech-grid {
  display: grid;
  align-items: stretch;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.36fr) minmax(0, 0.82fr);
  gap: 28px;
}

.flow-tech-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.flow-tech-list article {
  display: grid;
  align-items: center;
  padding-block: 22px;
  border: 0;
  grid-template-columns: 38px 1fr;
  gap: 10px;
}

.flow-tech-list article:last-child {
  border: 0;
}

.flow-tech-symbol {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
}

.flow-tech-list:first-child article {
  grid-template-columns: 38px 1fr;
}

.flow-tech-list:first-child article > .flow-tech-symbol {
  grid-column: 1;
  grid-row: 1;
}

.flow-tech-list:first-child article > div {
  grid-column: 2;
  grid-row: 1;
  text-align: left;
}

.flow-tech-list h3 {
  margin-bottom: 0;
  color: #edf5fa;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.flow-tech-list p {
  margin: 0;
  color: #8fa0b2;
  font-size: 0.72rem;
}

.flow-tech-image {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  background: #030b15;
  border-radius: 0;
}

.flow-tech-image::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  box-shadow: inset 0 0 90px #030b15;
}

.flow-tech-image img {
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: contain;
  object-position: center;
  -webkit-mask-image: radial-gradient(ellipse 70% 94% at center, #000 58%, rgba(0, 0, 0, 0.86) 72%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 94% at center, #000 58%, rgba(0, 0, 0, 0.86) 72%, transparent 100%);
}

/* Operation and reasons */
.flow-operation {
  background: var(--white);
}

.flow-operation .flow-section-heading {
  margin-inline: auto;
}

.flow-operation .flow-section-heading > p:last-child {
  margin-inline: auto;
}

.flow-step-grid {
  display: grid;
  padding: 0;
  margin: 0;
  list-style: none;
  grid-template-columns: repeat(4, 1fr);
}

.flow-step-grid li {
  position: relative;
  min-height: 260px;
  padding: 40px 34px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.flow-step-grid li:first-child {
  border-left: 1px solid var(--line);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.flow-step-grid li:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.flow-step-grid li > span {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 54px;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 50%;
  font-size: 0.64rem;
  font-weight: 700;
  transition: color 220ms ease, background-color 220ms ease, border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.flow-step-grid li:hover > span {
  color: var(--ocean);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 10px 24px rgba(25, 185, 224, 0.22);
  transform: translateY(-2px);
}

.flow-step-grid h3 {
  margin-bottom: 10px;
}

.flow-step-grid p {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.flow-why {
  color: var(--white);
  background: #030b15;
}

.flow-why-heading {
  max-width: 760px;
}

.flow-why-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.flow-why-grid article {
  position: relative;
  display: flex;
  min-height: clamp(420px, 32vw, 470px);
  overflow: hidden;
  padding: 28px;
  flex-direction: column;
  justify-content: flex-end;
  background: #071827;
  border: 0;
  border-radius: var(--radius-md);
  isolation: isolate;
}

.flow-why-grid article::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(to top, rgba(2, 8, 15, 0.98) 0%, rgba(2, 8, 15, 0.72) 44%, rgba(2, 8, 15, 0.16) 78%, rgba(2, 8, 15, 0.06) 100%);
}

.flow-why-grid article > img {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: cover;
}

.flow-why-grid article:nth-child(3) > img {
  object-position: 52% center;
}

.flow-why-card-copy {
  position: relative;
  z-index: 2;
  max-width: 280px;
}

.flow-card-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
}

.flow-card-icon img {
  opacity: 0.94;
  filter: brightness(0) invert(1);
}

.flow-why-grid article:nth-child(2) .flow-card-icon img {
  width: 131px;
}

.flow-why-grid article:nth-child(3) .flow-card-icon img {
  width: 129px;
}

.flow-why-grid article:nth-child(4) .flow-card-icon img {
  width: 115px;
}

.flow-why-grid h3 {
  margin-bottom: 14px;
  color: var(--white);
  font-size: clamp(1.28rem, 1.55vw, 1.7rem);
  line-height: 1.08;
}

.flow-why-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.86rem;
  line-height: 1.55;
}

.flow-product-page .footer-brand img {
  display: block;
  width: auto;
  max-width: 126px;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

/* Guarantee */
.flow-guarantee {
  padding-block: 78px;
  background: #dff2f7;
  border-top: 1px solid #c7e3ea;
  border-bottom: 1px solid #c7e3ea;
}

.flow-guarantee-inner {
  display: grid;
  align-items: center;
  grid-template-columns: auto 1fr auto;
  gap: clamp(36px, 6vw, 88px);
}

.flow-guarantee-mark {
  display: grid;
  width: 132px;
  height: 132px;
  place-content: center;
  color: var(--ocean);
  border: 1px solid #91bac8;
  border-radius: 50%;
  text-align: center;
}

.flow-guarantee-mark strong,
.flow-guarantee-mark span {
  display: block;
}

.flow-guarantee-mark strong {
  font-size: 3rem;
  letter-spacing: -0.06em;
  line-height: 0.85;
}

.flow-guarantee-mark span {
  margin-top: 8px;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.flow-guarantee h2 {
  margin-bottom: 14px;
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.flow-guarantee-inner > div:nth-child(2) > p:not(.eyebrow) {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--text-muted);
}

.flow-guarantee-actions {
  display: flex;
  min-width: 210px;
  flex-direction: column;
  gap: 12px;
}

.flow-guarantee-actions > a:not(.button) {
  padding-bottom: 7px;
  color: var(--ocean);
  border-bottom: 1px solid #9fbfc8;
  font-size: 0.76rem;
  font-weight: 650;
}

/* FAQ */
.flow-faq-section {
  background: var(--white);
}

.flow-faq-heading {
  margin-inline: auto;
  text-align: center;
}

.flow-faq-list {
  width: min(100%, 880px);
  margin-inline: auto;
}

.flow-faq-list details > p {
  padding-right: 20px;
}

/* Final purchase */
.flow-final-cta {
  color: var(--white);
  background: var(--navy);
}

.flow-final-grid {
  display: grid;
  min-height: 680px;
  align-items: stretch;
  grid-template-columns: 0.95fr 1.05fr;
}

.flow-final-grid > div:first-child {
  display: flex;
  max-width: 650px;
  justify-content: center;
  padding: clamp(76px, 9vw, 130px) clamp(30px, 6vw, 80px) clamp(76px, 9vw, 130px) 0;
  flex-direction: column;
}

.flow-final-grid h2 {
  font-size: clamp(3.4rem, 6vw, 6rem);
}

.flow-final-grid > div:first-child > p:not(.eyebrow) {
  max-width: 510px;
  color: var(--text-on-dark);
}

.flow-final-price {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-block: 24px;
  margin-block: 14px 24px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.flow-final-price strong {
  font-size: 1.8rem;
}

.flow-final-price span {
  color: #8fa2b5;
  font-size: 0.72rem;
}

.flow-final-grid .button {
  align-self: flex-start;
  min-width: 220px;
}

.flow-final-image {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  background: #dfe8f2;
}

.flow-final-image::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(90deg, var(--navy) 0%, transparent 25%);
}

.flow-final-image img {
  width: 100%;
  max-width: none;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Mobile purchase bar */
.flow-mobile-purchase {
  position: fixed;
  z-index: 1200;
  right: 12px;
  bottom: 12px;
  left: 12px;
  display: none;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px;
  color: var(--white);
  background: rgba(5, 16, 29, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.34);
  opacity: 0;
  pointer-events: none;
  transform: translateY(calc(100% + 24px));
  transition: opacity 200ms ease, transform 200ms ease;
  backdrop-filter: blur(16px);
}

.flow-mobile-purchase.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.flow-mobile-purchase > div {
  min-width: 0;
  padding-left: 6px;
  line-height: 1.25;
}

.flow-mobile-purchase strong,
.flow-mobile-purchase span {
  display: block;
}

.flow-mobile-purchase strong {
  overflow: hidden;
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flow-mobile-purchase span {
  color: #b8c8d6;
  font-size: 0.78rem;
}

.flow-mobile-purchase .button {
  min-height: 48px;
  flex: 0 0 auto;
  padding-inline: 18px;
}

/* Laptop */
@media (max-width: 1100px) {
  .flow-product-grid {
    grid-template-columns: minmax(0, 1fr) minmax(390px, 0.9fr);
    gap: 42px;
  }

  .flow-gallery-stage {
    min-height: 640px;
  }

  .flow-purchase-panel h1 {
    font-size: 3rem;
  }

  .benefit-list.flow-benefit-grid > li {
    padding-inline: 24px;
  }

  .flow-why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-tech-grid {
    grid-template-columns: 0.9fr 1.2fr 0.9fr;
    gap: 20px;
  }

  .flow-story-copy {
    padding: 40px 0;
  }
}

/* Tablet */
@media (max-width: 900px) {
  .flow-product-page main {
    padding-top: calc(var(--flow-announcement-height) + 84px);
  }

  .flow-product-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .flow-gallery-stage {
    min-height: 720px;
  }

  .flow-purchase-panel {
    position: static;
  }

  .flow-purchase-panel h1 {
    max-width: 720px;
    font-size: clamp(2.8rem, 7vw, 4.1rem);
  }

  .flow-quick-grid,
  .flow-benefit-grid {
    grid-template-columns: 1fr 1fr;
  }

  .flow-quick-grid p:nth-child(2),
  .benefit-list.flow-benefit-grid > li:nth-child(2) {
    border-right: 0;
  }

  .flow-quick-grid p:nth-child(-n + 2),
  .benefit-list.flow-benefit-grid > li:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .benefit-list.flow-benefit-grid > li:nth-child(-n + 2) {
    border-bottom: 0;
  }

  .benefit-list.flow-benefit-grid > li,
  .benefit-list.flow-benefit-grid > li:first-child,
  .benefit-list.flow-benefit-grid > li:last-child {
    padding-inline: 12px;
    border: 0;
  }

  .flow-feedback .section-shell,
  .flow-section-heading-split,
  .flow-tech-heading,
  .flow-faq-columns {
    grid-template-columns: 1fr;
  }

  .flow-feedback-heading {
    position: static;
  }

  .flow-tech-heading > p:last-child {
    margin-top: 24px;
    grid-column: 1;
    grid-row: auto;
  }

  .flow-tech-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(250px, 1.16fr) minmax(0, 0.82fr);
    gap: 12px;
  }

  .flow-tech-list:last-child {
    display: flex;
    grid-column: auto;
  }

  .flow-step-grid {
    grid-template-columns: 1fr 1fr;
  }

  .flow-step-grid li:nth-child(2) {
    border-radius: 0 var(--radius-md) 0 0;
  }

  .flow-step-grid li:nth-child(3) {
    border-top: 0;
    border-left: 1px solid var(--line);
    border-radius: 0 0 0 var(--radius-md);
  }

  .flow-step-grid li:last-child {
    border-top: 0;
    border-radius: 0 0 var(--radius-md) 0;
  }

  .flow-why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-why-grid article {
    min-height: 420px;
  }

  .flow-guarantee-inner {
    grid-template-columns: auto 1fr;
  }

  .flow-guarantee-actions {
    grid-column: 1 / -1;
    display: grid;
    align-items: center;
    grid-template-columns: auto 1fr 1fr;
    gap: 20px;
  }
}

/* Mobile */
@media (max-width: 720px) {
  .flow-product-page {
    --flow-announcement-height: 32px;
  }

  .flow-announcement {
    font-size: 0.65rem;
    letter-spacing: 0.055em;
  }

  .flow-product-page main {
    padding-top: calc(var(--flow-announcement-height) + 76px);
  }

  .flow-primary {
    padding-block: 22px 60px;
  }

  .flow-breadcrumb {
    margin-bottom: 18px;
  }

  .flow-product-grid {
    gap: 38px;
  }

  .flow-gallery-stage {
    min-height: 0;
    aspect-ratio: 0.88;
    border-radius: 22px;
  }

  .flow-gallery-control {
    bottom: 14px;
    width: 44px;
    height: 44px;
  }

  .flow-gallery-prev {
    left: 14px;
  }

  .flow-gallery-next {
    left: 66px;
  }

  .flow-gallery-count {
    right: 17px;
    bottom: 21px;
  }

  .flow-thumbnails {
    display: flex;
    padding-bottom: 5px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .flow-thumbnail {
    width: 84px;
    height: 72px;
    flex: 0 0 84px;
    scroll-snap-align: start;
  }

  .flow-purchase-panel h1 {
    font-size: clamp(2.35rem, 10vw, 3.35rem);
    line-height: 1.02;
  }

  .flow-intro {
    margin-bottom: 22px;
    font-size: 0.98rem;
    line-height: 1.68;
  }

  .flow-highlights {
    margin-block: 20px 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 14px;
  }

  .flow-highlights li {
    align-items: flex-start;
    gap: 9px;
    font-size: 0.84rem;
    line-height: 1.38;
  }

  .flow-highlight-icon {
    width: 25px;
    height: 25px;
    flex-basis: 25px;
  }

  .flow-trust-row p {
    padding-inline: 11px;
    font-size: 0.7rem;
  }

  .flow-product-accordion summary {
    min-height: 60px;
    padding-block: 15px;
    font-size: 0.94rem;
  }

  .flow-specs,
  .flow-accordion-copy {
    padding-right: 22px;
    font-size: 0.94rem;
    line-height: 1.7;
  }

  .flow-quick-grid {
    grid-template-columns: 1fr 1fr;
  }

  .flow-quick-grid p {
    min-height: 92px;
    padding: 16px 12px;
    font-size: 0.68rem;
  }

  .flow-quick-grid p:first-child,
  .flow-quick-grid p:nth-child(3) {
    padding-left: 0;
  }

  .flow-section-heading {
    margin-bottom: 38px;
  }

  .flow-section-heading-split {
    gap: 22px;
  }

  .flow-benefit-grid {
    grid-template-columns: 1fr;
    border-bottom: 0;
  }

  .benefit-list.flow-benefit-grid > li,
  .benefit-list.flow-benefit-grid > li:first-child,
  .benefit-list.flow-benefit-grid > li:nth-child(2),
  .benefit-list.flow-benefit-grid > li:nth-child(3),
  .benefit-list.flow-benefit-grid > li:last-child {
    min-height: 0;
    padding: 28px 0;
    border: 0;
  }

  .flow-benefit-grid .benefit-icon-asset {
    margin-bottom: 44px;
  }

  .flow-feedback .section-shell {
    gap: 38px;
  }

  .flow-feedback-track {
    display: flex;
    padding-bottom: 10px;
    overflow-x: auto;
    border-top: 0;
    scroll-snap-type: x mandatory;
    gap: 14px;
  }

  .flow-feedback-track blockquote {
    width: 86vw;
    max-width: 430px;
    min-height: 390px;
    flex: 0 0 86vw;
    padding: 34px;
    background: #0b1b2b;
    border: 1px solid var(--line-dark);
    border-radius: var(--radius-md);
    scroll-snap-align: start;
  }

  .flow-table-wrap {
    overflow-x: auto;
  }

  .flow-comparison-table {
    min-width: 680px;
  }

  .flow-comparison-table th,
  .flow-comparison-table td {
    padding-inline: 18px;
  }

  .flow-table-note {
    min-width: 680px;
  }

  .flow-story-row,
  .flow-story-row-reverse {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .flow-story-image,
  .flow-story-row-reverse .flow-story-image {
    min-height: 520px;
    grid-column: 1;
    grid-row: 1;
  }

  .flow-story-copy,
  .flow-story-row-reverse .flow-story-copy {
    max-width: none;
    padding: 48px 0 70px;
    grid-column: 1;
    grid-row: 2;
    justify-self: stretch;
  }

  .flow-tech-heading {
    margin-bottom: 44px;
  }

  .flow-tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .flow-tech-list:first-child,
  .flow-tech-list:last-child {
    display: flex;
    grid-row: 2;
    grid-column: auto;
    gap: 4px;
  }

  .flow-tech-list article,
  .flow-tech-list:first-child article {
    padding-block: 14px;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 7px;
  }

  .flow-tech-list:first-child article > .flow-tech-symbol,
  .flow-tech-list:first-child article > div {
    grid-row: 1;
  }

  .flow-tech-list:first-child article > .flow-tech-symbol {
    grid-column: 1;
  }

  .flow-tech-list:first-child article > div {
    grid-column: 2;
    text-align: left;
  }

  .flow-tech-image {
    min-height: 430px;
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .flow-tech-list h3 {
    font-size: 0.88rem;
    line-height: 1.35;
  }

  .flow-step-grid {
    grid-template-columns: 1fr;
  }

  .flow-step-grid li,
  .flow-step-grid li:first-child,
  .flow-step-grid li:nth-child(2),
  .flow-step-grid li:nth-child(3),
  .flow-step-grid li:last-child {
    min-height: 190px;
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-bottom: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
  }

  .flow-step-grid li:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
  }

  .flow-step-grid li:last-child {
    border-bottom: 1px solid var(--line);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }

  .flow-step-grid li > span {
    margin-bottom: 28px;
  }

  .flow-guarantee-inner {
    grid-template-columns: 1fr;
  }

  .flow-guarantee-mark {
    width: 110px;
    height: 110px;
  }

  .flow-guarantee-actions {
    grid-column: 1;
    grid-template-columns: 1fr 1fr;
  }

  .flow-guarantee-actions .button {
    grid-column: 1 / -1;
  }

  .flow-why-grid {
    grid-template-columns: 1fr;
  }

  .flow-why-grid article {
    min-height: 460px;
  }

  .flow-final-grid {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .flow-final-grid > div:first-child {
    padding: 80px 0 56px;
  }

  .flow-final-grid h2 {
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .flow-final-image {
    min-height: 520px;
  }

  .flow-final-image::after {
    background: linear-gradient(to bottom, var(--navy) 0%, transparent 22%);
  }

  .flow-mobile-purchase {
    display: flex;
  }

  .flow-product-page.has-mobile-purchase {
    padding-bottom: 84px;
  }
}

@media (max-width: 460px) {
  .flow-gallery-stage {
    aspect-ratio: 0.88;
  }

  .flow-purchase-controls {
    grid-template-columns: 1fr;
  }

  .flow-purchase-controls .quantity-control {
    width: 132px;
  }

  .flow-trust-row {
    gap: 8px;
  }

  .flow-trust-row p,
  .flow-trust-row p:first-child,
  .flow-trust-row p:last-child {
    padding: 8px 9px;
    border: 1px solid rgba(20, 155, 215, 0.28);
    font-size: 0.69rem;
  }

  .flow-feedback-track blockquote {
    width: 82vw;
    min-height: 420px;
    flex-basis: 82vw;
    padding: 28px;
  }

  .flow-story-image,
  .flow-story-row-reverse .flow-story-image {
    min-height: 470px;
  }

  .flow-story-copy,
  .flow-story-row-reverse .flow-story-copy {
    padding-block: 58px;
  }

  .flow-tech-image {
    min-height: 420px;
  }

  .flow-why-grid article {
    padding: 30px;
  }

  .flow-final-price {
    align-items: flex-start;
    flex-direction: column;
  }

  .flow-mobile-purchase .button {
    padding-inline: 14px;
    font-size: 0.78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .flow-gallery-slide,
  .flow-mobile-purchase,
  .flow-thumbnail,
  .flow-gallery-control,
  .flow-step-grid li > span {
    transition: none;
  }
}