:root {
  --bg: #f6fbfd;
  --bg-soft: #eef8fb;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.88);
  --ink: #143447;
  --ink-soft: #55707d;
  --line: rgba(20, 52, 71, 0.12);
  --accent: #18abc3;
  --accent-deep: #0a7f94;
  --accent-strong: #0e5f73;
  --secondary: #11b774;
  --danger: #ea4f4f;
  --warning-bg: rgba(234, 79, 79, 0.1);
  --warning-line: rgba(234, 79, 79, 0.2);
  --shadow: 0 22px 60px rgba(24, 69, 86, 0.12);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100% - 2rem));
  --font-heading: "Aptos Display", "Segoe UI", sans-serif;
  --font-body: "Aptos", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(24, 171, 195, 0.1), transparent 28%),
    linear-gradient(180deg, #fbfeff 0%, #f3fbfd 45%, #f8fcfd 100%);
}

body.has-sticky-buy {
  padding-bottom: 7.2rem;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 4.5rem 0;
}

.section-soft {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(239, 248, 251, 0.9)),
    radial-gradient(circle at right bottom, rgba(24, 171, 195, 0.08), transparent 32%);
}

.section-dark {
  background:
    radial-gradient(circle at 10% 10%, rgba(24, 171, 195, 0.18), transparent 20%),
    linear-gradient(135deg, #0a3242, #071f2a 72%);
  color: #ffffff;
}

.announcement-bar {
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  color: #ffffff;
  overflow: hidden;
}

.announcement-marquee {
  overflow: hidden;
}

.announcement-track {
  display: flex;
  align-items: center;
  width: max-content;
  white-space: nowrap;
  will-change: transform;
  animation: announcement-scroll 18s linear infinite;
}

.announcement-group {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-shrink: 0;
  padding: 0.85rem 1rem;
}

.announcement-track span {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding-right: 2.5rem;
}

.announcement-track span::after {
  content: "";
  position: absolute;
  right: 0.9rem;
  top: 50%;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  transform: translateY(-50%);
}

.announcement-bar p {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(246, 251, 253, 0.9);
  border-bottom: 1px solid rgba(20, 52, 71, 0.08);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 102px;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  width: auto;
  height: clamp(68px, 8vw, 96px);
}

.nav-links {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a:not(.button) {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.nav-links a:not(.button):hover,
.nav-links a:not(.button):focus-visible {
  color: var(--accent-deep);
}

.menu-toggle {
  display: none;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0 1.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #29c1d7);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(24, 171, 195, 0.22);
}

.status-page {
  min-height: 100vh;
}

.status-main {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.status-shell {
  max-width: 760px;
  display: grid;
  gap: 1rem;
  text-align: center;
}

.status-shell h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.97;
  letter-spacing: -0.04em;
}

.status-copy {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.status-card {
  display: grid;
  gap: 1rem;
  padding: 2rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 250, 252, 0.9));
  border: 1px solid rgba(20, 52, 71, 0.08);
  box-shadow: var(--shadow);
}

.status-badge {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  min-height: 2.3rem;
  padding: 0 1rem;
  border-radius: 999px;
  background: rgba(24, 171, 195, 0.12);
  color: var(--accent-deep);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-detail {
  margin: 0;
  color: var(--ink);
  line-height: 1.65;
}

.status-meta {
  display: grid;
  gap: 0.8rem;
}

.status-meta:empty {
  display: none;
}

.status-meta-item {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(24, 171, 195, 0.06);
  text-align: left;
}

.status-meta-item span {
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-meta-item strong {
  font-family: var(--font-heading);
  font-size: 1rem;
}

.status-actions {
  display: flex;
  justify-content: center;
}

.status-shell.is-success .status-badge {
  background: rgba(17, 183, 116, 0.12);
  color: var(--secondary);
}

.status-shell.is-pending .status-badge {
  background: rgba(247, 190, 10, 0.14);
  color: #a16800;
}

.status-shell.is-failure .status-badge {
  background: rgba(234, 79, 79, 0.12);
  color: #c63f3f;
}

.button-small {
  min-height: 2.85rem;
  padding: 0 1.2rem;
}

.product-shell,
.info-grid,
.usage-layout,
.faq-layout {
  display: grid;
  gap: 2rem;
}

.product-shell {
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
  align-items: start;
}

.product-gallery {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.thumb-list {
  display: grid;
  gap: 0.9rem;
}

.thumb-button {
  padding: 0;
  border: 2px solid transparent;
  border-radius: 18px;
  background: #ffffff;
  overflow: hidden;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.thumb-button:hover,
.thumb-button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(24, 171, 195, 0.3);
}

.thumb-button.is-active {
  border-color: var(--accent-deep);
  box-shadow: 0 12px 26px rgba(24, 171, 195, 0.16);
}

.thumb-button img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #ffffff;
}

.thumb-button-logo img {
  object-fit: contain;
  padding: 0.45rem;
}

.main-media,
.usage-card,
.info-card,
.step-card,
.faq-item {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 250, 252, 0.9));
  border: 1px solid rgba(20, 52, 71, 0.08);
  box-shadow: var(--shadow);
}

.main-media {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  padding: 0.85rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.main-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-xl) - 10px);
}

.main-media.is-contain {
  padding: 0.9rem;
}

.main-media.is-contain img {
  object-fit: contain;
  background: #ffffff;
}

.product-info {
  display: grid;
  gap: 1.2rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent-deep);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
}

.product-info h1,
.section-copy h2,
.usage-copy h3,
.step-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  line-height: 0.97;
  letter-spacing: -0.04em;
}

.product-info h1 {
  font-size: clamp(2.7rem, 4.4vw, 4.6rem);
}

.product-copy,
.section-copy p,
.usage-copy p,
.faq-answer p,
.footer-copy p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.product-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: var(--ink-soft);
}

.stars {
  color: #f7be0a;
  letter-spacing: 0.14em;
}

.product-meta strong {
  color: var(--ink);
}

.product-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.product-bullets li {
  position: relative;
  padding-left: 2rem;
  line-height: 1.55;
}

.product-bullets li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.05rem;
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: rgba(24, 171, 195, 0.14);
  color: var(--accent-deep);
  font-size: 0.86rem;
  font-weight: 900;
}

.stock-warning {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  background: var(--warning-bg);
  border: 1px solid var(--warning-line);
  color: #c63f3f;
  font-weight: 800;
  text-align: center;
}

.guarantee-bar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: #2c94e1;
}

.guarantee-bar span {
  flex: 1;
  height: 2px;
  background: rgba(44, 148, 225, 0.22);
}

.guarantee-bar strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-align: center;
}

.pack-list {
  display: grid;
  gap: 1rem;
}

.pack-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  padding: 1.2rem 1.2rem 0;
  border: 2px solid rgba(44, 148, 225, 0.16);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.pack-card:hover,
.pack-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(44, 148, 225, 0.34);
}

.pack-card.is-active {
  border-color: #2c94e1;
  background: linear-gradient(180deg, rgba(44, 148, 225, 0.08), rgba(255, 255, 255, 0.98));
  box-shadow: 0 16px 35px rgba(44, 148, 225, 0.12);
}

.pack-radio {
  width: 1.85rem;
  height: 1.85rem;
  margin-top: 0.12rem;
  border-radius: 50%;
  border: 2px solid rgba(20, 52, 71, 0.2);
  background: #ffffff;
}

.pack-card.is-active .pack-radio {
  border-color: #2c94e1;
  box-shadow: inset 0 0 0 0.38rem #ffffff, inset 0 0 0 0.85rem #2c94e1;
}

.pack-content {
  display: grid;
  gap: 0.32rem;
  padding-bottom: 1rem;
}

.pack-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.pack-heading strong {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.pack-content small {
  color: var(--ink-soft);
  font-size: 1rem;
}

.discount-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.8rem;
  padding: 0 0.65rem;
  border-radius: 999px;
  background: #ef3030;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 800;
}

.pack-price {
  display: grid;
  justify-items: end;
  gap: 0.2rem;
  min-width: 8rem;
  padding-bottom: 1rem;
}

.pack-price strong {
  font-family: var(--font-heading);
  font-size: 1.95rem;
  letter-spacing: -0.04em;
}

.pack-price span {
  color: rgba(85, 112, 125, 0.78);
  text-decoration: line-through;
}

.pack-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.7rem;
  align-items: center;
  margin: 0 0 -0.05rem -3rem;
  padding: 0.95rem 1.05rem 0.95rem 3rem;
  border-top: 1px solid rgba(44, 148, 225, 0.16);
  background: rgba(44, 148, 225, 0.06);
  border-bottom-left-radius: 22px;
  border-bottom-right-radius: 22px;
  font-weight: 700;
}

.pack-check {
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: #2c94e1;
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 900;
}

.pack-bonus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.9rem;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: #2c94e1;
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.pack-badge {
  position: absolute;
  top: -0.8rem;
  right: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0 0.9rem;
  border-radius: 10px;
  background: #42a5f5;
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  box-shadow: 0 10px 22px rgba(66, 165, 245, 0.22);
}

.badge-primary {
  background: #2c94e1;
}

.badge-accent {
  background: #69bbff;
}

.selected-pack {
  margin: 0;
  color: var(--ink-soft);
}

.selected-pack strong {
  color: var(--ink);
}

.cart-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-lg);
  background: rgba(24, 171, 195, 0.08);
  border: 1px solid rgba(24, 171, 195, 0.14);
}

.cart-summary-copy,
.cart-summary-total {
  display: grid;
  gap: 0.2rem;
}

.cart-summary span {
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cart-summary strong {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  line-height: 1.05;
}

.cart-summary-total {
  justify-items: end;
}

.payment-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.payment-methods span {
  display: inline-flex;
  align-items: center;
  min-height: 2.1rem;
  padding: 0 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(20, 52, 71, 0.1);
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.buy-button {
  width: 100%;
  min-height: 4.1rem;
  background: linear-gradient(135deg, var(--secondary), #14cb83);
  color: #ffffff;
  box-shadow: 0 20px 36px rgba(17, 183, 116, 0.22);
  font-size: 1.08rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.buy-button.is-loading,
.sticky-buy-button.is-loading {
  opacity: 0.82;
  cursor: wait;
}

.checkout-feedback {
  min-height: 1.25rem;
  margin: -0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.5;
}

.checkout-feedback.is-error {
  color: #c63f3f;
}

.checkout-feedback.is-success {
  color: var(--secondary);
}

.buy-note {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(24, 171, 195, 0.07);
  border: 1px solid rgba(24, 171, 195, 0.12);
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.6;
}

.checkout-visual {
  display: grid;
  width: 100%;
}

.checkout-visual img {
  width: 100%;
  height: auto;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.trust-section {
  padding: 0 0 1rem;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.trust-card,
.issue-card,
.use-note,
.closing-banner {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 250, 252, 0.9));
  border: 1px solid rgba(20, 52, 71, 0.08);
  box-shadow: var(--shadow);
}

.trust-card {
  padding: 1.35rem 1.2rem;
  border-radius: var(--radius-lg);
  text-align: center;
}

.trust-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
}

.trust-card span {
  color: var(--ink-soft);
  line-height: 1.55;
}

.info-grid,
.usage-layout,
.faq-layout,
.steps-layout,
.issue-layout {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
  align-items: start;
}

.section-copy {
  display: grid;
  gap: 1rem;
}

.section-copy h2 {
  font-size: clamp(2.3rem, 4vw, 3.8rem);
}

.info-cards,
.usage-cards,
.steps-grid,
.faq-list {
  display: grid;
  gap: 1rem;
}

.info-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.step-card,
.faq-item {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.info-card h3,
.step-card h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-heading);
}

.info-card p,
.step-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.usage-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.usage-card {
  overflow: hidden;
  border-radius: 28px;
}

.usage-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.usage-copy {
  padding: 1.25rem;
}

.usage-copy h3 {
  font-size: 1.65rem;
}

.issue-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.issue-card {
  padding: 1.35rem;
  border-radius: var(--radius-lg);
}

.issue-card h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-heading);
  font-size: 1.45rem;
}

.issue-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.light-copy .eyebrow,
.light-copy h2,
.light-copy p {
  color: #ffffff;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0 0.85rem;
  border-radius: 999px;
  background: rgba(24, 171, 195, 0.12);
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 800;
}

.step-card h3 {
  margin-top: 1rem;
  color: var(--ink);
}

.step-card p {
  color: var(--ink-soft);
}

.use-note {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius-lg);
  color: rgba(255, 255, 255, 0.9);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.06));
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.use-note strong {
  color: #ffffff;
}

.use-note span {
  line-height: 1.65;
}

.faq-item {
  overflow: clip;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.faq-question span:first-child {
  font-family: var(--font-heading);
  font-size: 1.16rem;
}

.faq-indicator {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: rgba(20, 52, 71, 0.06);
  flex-shrink: 0;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 220ms ease;
}

.faq-answer p {
  overflow: hidden;
  padding-top: 0.9rem;
}

.faq-answer.is-open {
  grid-template-rows: 1fr;
}

.closing-section {
  padding: 0 0 4.5rem;
}

.closing-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem;
  border-radius: var(--radius-xl);
}

.closing-banner h2 {
  margin: 0.65rem 0 0;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.closing-button {
  width: auto;
  min-width: 220px;
}

.sticky-buy-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0.9rem;
  z-index: 80;
  opacity: 0;
  pointer-events: none;
  transform: translateY(calc(100% + 1.5rem));
  transition: opacity 180ms ease, transform 180ms ease;
}

.sticky-buy-bar.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.sticky-buy-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(20, 52, 71, 0.08);
  box-shadow: 0 24px 60px rgba(20, 52, 71, 0.18);
  backdrop-filter: blur(18px);
}

.sticky-buy-copy {
  display: grid;
  gap: 0.05rem;
}

.sticky-buy-copy small {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sticky-buy-copy strong {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.sticky-buy-copy span {
  color: var(--secondary);
  font-size: 1.35rem;
  font-weight: 900;
}

.sticky-buy-button {
  width: auto;
  min-width: 260px;
  padding-inline: 2rem;
  background: linear-gradient(135deg, var(--secondary), #14cb83);
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(17, 183, 116, 0.22);
}

@keyframes announcement-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.site-footer {
  padding: 2.2rem 0 3rem;
  border-top: 1px solid rgba(20, 52, 71, 0.08);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand img {
  height: 84px;
  width: auto;
}

.footer-copy {
  max-width: 44ch;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .product-shell,
  .info-grid,
  .usage-layout,
  .faq-layout,
  .steps-layout,
  .issue-layout {
    grid-template-columns: 1fr;
  }

  .info-cards,
  .usage-cards,
  .steps-grid,
  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .navbar {
    min-height: 88px;
  }

  .brand img {
    height: 62px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(20, 52, 71, 0.08);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

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

  .thumb-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .main-media {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 3.8rem 0;
  }

  .product-info h1 {
    font-size: clamp(2.3rem, 11vw, 3.8rem);
  }

  .main-media {
    aspect-ratio: 4 / 3;
    padding: 0.6rem;
  }

  .info-cards,
  .usage-cards,
  .steps-grid,
  .issue-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .closing-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .status-card {
    padding: 1.35rem;
  }

  .status-actions {
    width: 100%;
  }

  .status-actions .button {
    width: 100%;
  }

  .pack-card {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1.15rem 1rem 0;
  }

  .pack-radio {
    display: none;
  }

  .pack-price {
    justify-items: start;
    min-width: 0;
  }

  .pack-price strong {
    font-size: 1.72rem;
  }

  .pack-footer {
    margin-left: 0;
    padding-left: 1rem;
    grid-template-columns: auto 1fr;
  }

  .pack-bonus {
    justify-self: start;
  }

  .cart-summary {
    grid-template-columns: 1fr;
  }

  .cart-summary-total {
    justify-items: start;
  }

  .guarantee-bar {
    gap: 0.5rem;
  }

  .guarantee-bar strong {
    font-size: 1rem;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }

  .sticky-buy-bar {
    bottom: 0.5rem;
  }

  .sticky-buy-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
    padding: 0.85rem;
    border-radius: 22px;
  }

  .sticky-buy-copy {
    gap: 0.2rem;
  }

  .sticky-buy-button {
    width: 100%;
    min-width: 0;
    padding-inline: 1rem;
  }

  .footer-brand img {
    height: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .announcement-track {
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    animation: none;
    transform: none;
  }

  .announcement-group {
    flex-wrap: wrap;
    justify-content: center;
  }
}