:root {
  --blue: #123bdc;
  --blue-deep: #08238e;
  --blue-soft: #eaf3ff;
  --ice: #f5faff;
  --silver: #eef2f7;
  --text: #13213a;
  --muted: #5f6f88;
  --line: #dbe6f4;
  --white: #ffffff;
  --glow: 0 24px 70px rgba(18, 59, 220, 0.22);
  --soft: 0 18px 46px rgba(23, 55, 112, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id],
main[id] {
  scroll-margin-top: 132px;
}

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 42%, #ffffff 100%);
}

body.no-scroll {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}

button,
a {
  font: inherit;
}

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

.top-strip {
  background: linear-gradient(90deg, var(--blue-deep), var(--blue));
  color: var(--white);
  padding: 10px 18px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
}

.site-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 18px clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 230, 244, 0.85);
  backdrop-filter: blur(16px);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-width: 138px;
}

.brand-mark {
  width: 168px;
  height: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: #23314d;
  font-size: 14px;
  font-weight: 700;
}

.nav-menu a {
  padding: 8px 0;
}

.main-action,
.offer-button,
.secondary-action {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  white-space: nowrap;
}

.main-action,
.offer-button {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), #1f64ff);
  box-shadow: 0 14px 28px rgba(18, 59, 220, 0.22);
}

.secondary-action {
  color: var(--blue-deep);
  background: var(--white);
  border: 1px solid rgba(18, 59, 220, 0.22);
}

.main-action:hover,
.offer-button:hover,
.secondary-action:hover {
  transform: translateY(-2px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
  min-height: 760px;
  padding: clamp(52px, 8vw, 96px) clamp(20px, 6vw, 88px) clamp(48px, 8vw, 86px);
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(18, 59, 220, 0.14), transparent 34%),
    linear-gradient(145deg, #ffffff 0%, #f3f9ff 58%, #eaf3ff 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  color: #071b63;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  max-width: 820px;
  margin-bottom: 28px;
  color: #071b63;
  font-size: clamp(31px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  color: #0d235c;
  font-size: 20px;
  line-height: 1.22;
}

.hero-copy,
.text-block p,
.info-panel p,
.ingredient-card p,
.step-card p,
.review-card p,
.faq-item p,
.warning-box p,
.price-note,
.note-text {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.hero-copy {
  max-width: 700px;
  font-size: 19px;
}

.hero-points {
  display: grid;
  gap: 12px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}

.hero-points li,
.check-list li {
  position: relative;
  padding-left: 30px;
  color: #25324d;
  line-height: 1.6;
}

.hero-points li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 6px rgba(18, 59, 220, 0.1);
}

.hero-actions,
.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.count-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--soft);
}

.count-box span {
  color: var(--muted);
  font-weight: 700;
}

.count-box strong {
  color: var(--blue);
  font-size: 22px;
}

.hero-visual {
  position: relative;
}

.product-glow {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
  border: 1px solid rgba(182, 205, 236, 0.72);
  border-radius: 28px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.94), rgba(235, 245, 255, 0.92)),
    radial-gradient(circle, rgba(18, 59, 220, 0.22), transparent 58%);
  box-shadow: var(--glow);
  overflow: hidden;
}

.product-glow::before {
  content: "";
  position: absolute;
  inset: 32px;
  border: 1px solid rgba(18, 59, 220, 0.12);
  border-radius: 22px;
}

.hero-product {
  position: relative;
  width: min(88%, 560px);
  filter: drop-shadow(0 28px 44px rgba(9, 31, 114, 0.28));
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.trust-row span,
.top-chip,
.saving {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
}

.trust-row span {
  padding: 9px 13px;
  color: #0b2d9f;
  background: var(--white);
  border: 1px solid rgba(18, 59, 220, 0.16);
  box-shadow: 0 12px 24px rgba(19, 43, 90, 0.08);
  font-size: 13px;
}

.section-shell,
.price-section,
.faq-section {
  padding: clamp(70px, 9vw, 118px) clamp(20px, 6vw, 88px);
}

.section-shell.ice {
  background: linear-gradient(180deg, #f7fbff, #ffffff);
}

.section-shell.silver {
  background: linear-gradient(180deg, #ffffff, #f1f5fa);
}

.card-grid,
.ingredient-grid,
.review-grid,
.package-grid,
.steps {
  display: grid;
  gap: 20px;
}

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

.card-grid.four,
.package-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-panel,
.ingredient-card,
.step-card,
.review-card,
.package-card,
.faq-item,
.warning-box {
  border: 1px solid rgba(198, 213, 232, 0.8);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--soft);
}

.info-panel,
.ingredient-card,
.step-card {
  padding: 28px;
}

.info-panel h3,
.ingredient-card h3,
.step-card h3 {
  margin-bottom: 12px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(72px, 9vw, 118px) clamp(20px, 6vw, 88px);
  background: #ffffff;
}

.text-block {
  max-width: 780px;
}

.text-block .main-action {
  margin-top: 10px;
}

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

.step-card span {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 24px;
  color: var(--white);
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), #5a8cff);
  font-weight: 900;
}

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

.ingredient-card {
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(135deg, rgba(18, 59, 220, 0.42), rgba(203, 214, 230, 0.55)) border-box;
  border: 1px solid transparent;
}

.usage-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: 30px;
  align-items: start;
  padding: clamp(72px, 9vw, 118px) clamp(20px, 6vw, 88px);
  background: linear-gradient(135deg, #071b63, #123bdc);
  color: var(--white);
}

.usage-band h2,
.usage-band h3,
.usage-band .section-kicker {
  color: var(--white);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  color: rgba(255, 255, 255, 0.9);
}

.check-list li::before {
  background: #ffffff;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.16);
}

.warning-box {
  padding: 30px;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow: none;
}

.warning-box p {
  color: rgba(255, 255, 255, 0.86);
}

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

.review-card {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 20px;
  padding: 24px;
}

.review-card img {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--blue-soft);
}

.review-card h3 {
  margin-bottom: 8px;
}

.review-card strong,
.review-card span {
  display: block;
}

.review-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.stars {
  color: #f2b02f;
  margin-bottom: 10px;
  letter-spacing: 0;
}

.note-text,
.price-note {
  max-width: 860px;
  margin: 24px auto 0;
  text-align: center;
}

.price-section {
  background:
    radial-gradient(circle at 18% 0%, rgba(18, 59, 220, 0.12), transparent 32%),
    linear-gradient(180deg, #f7fbff, #ffffff);
  text-align: center;
}

.price-section h2,
.faq-section h2,
.section-shell h2 {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-shell > .section-kicker,
.price-section > .section-kicker,
.faq-section > .section-kicker {
  text-align: center;
}

.toggle-box {
  display: inline-flex;
  gap: 4px;
  margin: 0 auto 34px;
  padding: 6px;
  border-radius: 999px;
  background: #e7eef8;
}

.toggle-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  color: #32435e;
  background: transparent;
  cursor: pointer;
  font-weight: 800;
}

.toggle-button.is-active {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 10px 24px rgba(18, 59, 220, 0.22);
}

.package-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 26px 20px 22px;
  min-height: 520px;
}

.package-card.is-featured {
  border-color: rgba(18, 59, 220, 0.48);
  box-shadow: 0 28px 64px rgba(18, 59, 220, 0.18);
  transform: translateY(-10px);
}

.package-card img {
  height: 168px;
  object-fit: contain;
  margin: 18px 0 22px;
  filter: drop-shadow(0 18px 22px rgba(9, 31, 114, 0.16));
}

.package-card h3 {
  margin-bottom: 6px;
}

.package-card p {
  margin-bottom: 12px;
  color: var(--muted);
}

.package-card strong {
  display: block;
  color: #071b63;
  font-size: 18px;
}

.top-chip {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  padding: 7px 12px;
  color: var(--white);
  background: linear-gradient(135deg, #071b63, var(--blue));
  font-size: 12px;
}

.saving {
  margin: 14px 0;
  padding: 8px 12px;
  color: #0b7a43;
  background: #e9f9f1;
  font-size: 13px;
}

.totals {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.totals del {
  color: #8b98aa;
}

.totals b {
  color: var(--blue);
  font-size: 24px;
}

.package-card .offer-button {
  margin-top: auto;
  width: 100%;
}

.faq-section {
  background: #ffffff;
}

.faq-list {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 22px 24px;
  color: #0d235c;
  font-weight: 800;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--blue);
  font-size: 26px;
  line-height: 18px;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 24px 24px;
}

.site-footer {
  padding: 38px clamp(20px, 6vw, 88px) 110px;
  color: #d8e4ff;
  background: #06164a;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 20px;
  margin-top: 16px;
}

.footer-links a,
.legal-trigger {
  border: 0;
  color: #ffffff;
  background: transparent;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.sticky-cta {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 18;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 10px 10px 18px;
  color: #071b63;
  border: 1px solid rgba(18, 59, 220, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--glow);
}

.sticky-cta span {
  font-weight: 800;
  font-size: 14px;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(4, 14, 45, 0.58);
  backdrop-filter: blur(10px);
}

.overlay.is-visible {
  display: flex;
}

.modal-panel,
.exit-panel {
  position: relative;
  width: min(100%, 680px);
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
}

.modal-panel {
  padding: 34px;
}

.exit-panel {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 24px;
  align-items: center;
  padding: 30px;
}

.modal-panel h2,
.exit-panel h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.12;
}

.exit-panel img {
  width: 210px;
  object-fit: contain;
  filter: drop-shadow(0 18px 24px rgba(9, 31, 114, 0.18));
}

.close-button {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  color: #22314c;
  background: #edf3fb;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

@media (max-width: 1120px) {
  .site-bar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-menu {
    order: 3;
    width: 100%;
  }

  .hero,
  .split-section,
  .usage-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .card-grid,
  .card-grid.four,
  .ingredient-grid,
  .package-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .package-card.is-featured {
    transform: none;
  }
}

@media (max-width: 720px) {
  .top-strip {
    font-size: 12px;
    line-height: 1.45;
  }

  .site-bar {
    padding: 14px 18px;
  }

  .brand-mark {
    width: 140px;
  }

  .site-bar > .main-action {
    display: none;
  }

  .nav-menu {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .hero {
    padding-top: 44px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .product-glow {
    min-height: 400px;
    border-radius: 22px;
  }

  .card-grid,
  .card-grid.four,
  .ingredient-grid,
  .review-grid,
  .package-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .review-card {
    grid-template-columns: 74px 1fr;
    padding: 20px;
  }

  .review-card img {
    width: 74px;
    height: 74px;
  }

  .toggle-box {
    width: 100%;
  }

  .toggle-button {
    flex: 1;
    padding-left: 12px;
    padding-right: 12px;
  }

  .exit-panel {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .exit-panel img {
    width: 170px;
    margin: 0 auto;
  }

  .modal-actions {
    justify-content: center;
  }

  .sticky-cta {
    display: flex;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 29px;
  }

  .hero-actions,
  .modal-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .main-action,
  .offer-button,
  .secondary-action {
    width: 100%;
  }

  .sticky-cta {
    border-radius: 18px;
    align-items: stretch;
    flex-direction: column;
  }
}
