:root {
  --navy: #244f7d;
  --navy-dark: #173654;
  --blue: #3d88bc;
  --blue-soft: #eaf4fa;
  --yellow: #ffd96a;
  --ink: #17324d;
  --muted: #5c7185;
  --line: #c9dbe8;
  --paper: #ffffff;
  --background: #f4f8fb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: "Segoe UI", Calibri, Arial, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

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

.site-header {
  align-items: center;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 56px;
  padding: 0 5vw;
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .brand {
  align-items: center;
  display: inline-flex;
  text-decoration: none;
}

.site-header .brand img {
  height: auto;
  width: 160px;
}

.site-header span {
  color: var(--muted);
  font-size: 0.88rem;
}

.product-nav a { color: var(--muted); font-size: 0.88rem; font-weight: 650; text-decoration: none; }
.product-nav a:hover, .product-nav a:focus-visible { color: var(--navy); }

.hero {
  align-items: center;
  background:
    radial-gradient(circle at 8% 12%, rgba(255, 217, 106, 0.3), transparent 24rem),
    linear-gradient(145deg, #f8fbfd 0%, #eaf4fa 100%);
  display: grid;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  min-height: auto;
  padding: clamp(3rem, 4vw, 4.5rem) 5vw;
}

.hero-copy {
  max-width: 690px;
}

.eyebrow {
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin: 0 0 1rem;
}

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

h1 {
  color: var(--navy-dark);
  font-size: clamp(2.55rem, 5.3vw, 5.2rem);
  letter-spacing: -0.055em;
  line-height: 0.98;
  margin-bottom: 1.6rem;
}

h1 em {
  color: var(--blue);
  font-style: normal;
}

h2 {
  color: var(--navy-dark);
  font-size: clamp(2rem, 3.4vw, 3.5rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

h3 {
  color: var(--navy-dark);
}

.hero-lead {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  max-width: 620px;
}

.hero-points,
.offer-card ul,
.fit-card ul {
  list-style: none;
  margin: 1.8rem 0;
  padding: 0;
}

.hero-points li,
.offer-card li,
.fit-card li {
  align-items: flex-start;
  display: flex;
  gap: 0.7rem;
  margin: 0.65rem 0;
}

.hero-points li::before,
.offer-card li::before,
.fit-yes li::before {
  color: var(--blue);
  content: "✓";
  font-weight: 900;
}

.fit-no li::before {
  color: #a65757;
  content: "—";
  font-weight: 900;
}

.hero-offer {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1.35rem;
  margin-top: 2rem;
}

.hero-offer > div {
  display: grid;
}

.hero-offer small,
.price small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-offer strong {
  color: var(--navy);
  font-size: 2.2rem;
  line-height: 1;
}

.hero-offer span,
.price span {
  color: var(--muted);
  font-size: 0.88rem;
}

.cta {
  background: var(--navy);
  border: 2px solid var(--navy);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(36, 79, 125, 0.2);
  color: var(--paper);
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  padding: 0.95rem 1.5rem;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.cta:hover {
  background: var(--navy-dark);
  box-shadow: 0 16px 35px rgba(36, 79, 125, 0.26);
  transform: translateY(-2px);
}

.cta:focus-visible,
summary:focus-visible,
.brand:focus-visible {
  outline: 4px solid var(--yellow);
  outline-offset: 4px;
}

.microcopy {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.8rem;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 30px 70px rgba(23, 54, 84, 0.2);
}

.image-note {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  bottom: -15px;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 0.45rem 0.8rem;
  position: absolute;
  right: 20px;
}

.section-narrow,
.section-wide {
  margin: 0 auto;
  padding: clamp(4.5rem, 8vw, 8rem) 5vw;
}

.section-narrow {
  max-width: 920px;
}

.section-wide {
  max-width: 1440px;
}

.problem {
  text-align: center;
}

.problem > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.1rem;
}

blockquote {
  border-left: 7px solid var(--yellow);
  color: var(--navy);
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  font-weight: 750;
  margin: 2.4rem 0;
  padding: 0.7rem 1.5rem;
  text-align: left;
}

.benefits {
  background: var(--navy);
  border-radius: 32px;
  color: var(--paper);
  margin-bottom: clamp(4rem, 7vw, 7rem);
  max-width: min(1440px, 90vw);
}

.benefits h2,
.benefits .eyebrow {
  color: var(--paper);
}

.section-heading {
  max-width: 780px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.benefit-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2.5rem;
}

.benefit-item {
  align-items: center;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  display: flex;
  gap: 0.9rem;
  min-height: 94px;
  padding: 1.2rem;
}

.benefit-item span {
  align-items: center;
  background: var(--yellow);
  border-radius: 50%;
  color: var(--navy-dark);
  display: flex;
  flex: 0 0 32px;
  font-weight: 900;
  height: 32px;
  justify-content: center;
}

.benefit-item p {
  margin: 0;
}

.how {
  padding-top: 1rem;
}

.steps {
  display: grid;
  gap: 2rem;
  margin-top: 3.5rem;
}

.steps article {
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(23, 54, 84, 0.1);
  overflow: hidden;
}

.steps img {
  width: 100%;
}

.how-note {
  background: var(--blue-soft);
  border-left: 6px solid var(--blue);
  border-radius: 10px;
  color: var(--muted);
  margin: 2.5rem auto 0;
  max-width: 900px;
  padding: 1rem 1.25rem;
}

.delivery {
  align-items: center;
  display: grid;
  gap: clamp(2.5rem, 6vw, 6rem);
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}

.delivery-visual img {
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(23, 54, 84, 0.13);
}

.deliverable {
  align-items: flex-start;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  grid-template-columns: 50px 1fr;
  padding: 1.25rem 0;
}

.deliverable > span {
  color: var(--blue);
  font-weight: 900;
}

.deliverable h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.deliverable p {
  color: var(--muted);
  margin: 0;
}

.fit {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr 1fr;
}

.fit-card {
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: clamp(2rem, 4vw, 3.4rem);
}

.fit-yes {
  background: var(--paper);
}

.fit-no {
  background: #f7f4f3;
}

.fit-card h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.35rem);
}

.compatibility {
  text-align: center;
}

.compatibility > p:not(.eyebrow, .microcopy) {
  color: var(--muted);
  font-size: 1.08rem;
}

.compatibility-options {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
  margin: 2rem 0;
}

.compatibility-options div {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  display: grid;
  gap: 0.35rem;
  padding: 1.4rem;
  text-align: left;
}

.compatibility-options span {
  color: var(--muted);
}

.offer {
  background:
    radial-gradient(circle at 85% 10%, rgba(255, 217, 106, 0.22), transparent 22rem),
    var(--navy-dark);
  padding: clamp(4.5rem, 8vw, 8rem) 5vw;
}

.offer-card {
  background: var(--paper);
  border-radius: 30px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
  margin: 0 auto;
  max-width: 660px;
  padding: clamp(2rem, 5vw, 4rem);
}

.offer-card h2 {
  margin-bottom: 0.4rem;
}

.price {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  margin: 1.8rem 0;
  padding: 1.4rem 0;
}

.price strong {
  color: var(--navy);
  font-size: 3.2rem;
  line-height: 1.05;
}

.cta-secondary {
  width: 100%;
}

.guarantee {
  align-items: center;
  background: var(--blue-soft);
  border-radius: 18px;
  display: grid;
  gap: 1rem;
  grid-template-columns: 58px 1fr;
  margin-top: 1.4rem;
  padding: 1rem;
}

.guarantee > span {
  align-items: center;
  background: var(--yellow);
  border-radius: 50%;
  color: var(--navy-dark);
  display: flex;
  font-size: 1.6rem;
  font-weight: 900;
  height: 58px;
  justify-content: center;
}

.guarantee p {
  margin: 0;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 2.5rem;
}

details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0 1.2rem;
}

summary {
  color: var(--navy-dark);
  cursor: pointer;
  font-weight: 750;
  padding: 1.1rem 2.2rem 1.1rem 0;
}

details p {
  color: var(--muted);
  padding: 0 0 1.1rem;
}

.final-cta {
  background: var(--blue);
  color: var(--paper);
  padding: clamp(4.5rem, 8vw, 7rem) 5vw;
  text-align: center;
}

.final-cta .eyebrow,
.final-cta h2 {
  color: var(--paper);
}

.final-cta h2 {
  margin-inline: auto;
  max-width: 900px;
}

.final-cta > p:not(.eyebrow) {
  font-size: 1.1rem;
}

.final-cta .cta {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--navy-dark);
  margin-top: 1rem;
  max-width: 420px;
}

footer {
  background: #102a42;
  color: rgba(255, 255, 255, 0.72);
  padding: 1.6rem 5vw;
  text-align: center;
}

footer strong {
  color: var(--paper);
  display: block;
  margin-top: 0.65rem;
}

.footer-products { margin-top: 0.45rem; }
.footer-products a { color: rgba(255, 255, 255, 0.82); font-size: 0.88rem; text-decoration: none; }
.footer-products a:hover, .footer-products a:focus-visible { color: white; text-decoration: underline; }

.footer-brand { display: inline-flex; }
.footer-brand img { height: auto; width: 160px; }

.footer-social { display: flex; gap: 0.4rem; justify-content: center; margin-top: 0.8rem; }
.footer-social a {
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.82);
  display: inline-flex;
  height: 2rem;
  justify-content: center;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
  width: 2rem;
}
.footer-social a:hover,
.footer-social a:focus-visible { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.45); color: #fff; }
.footer-social svg { fill: currentColor; height: 1rem; width: 1rem; }

footer p {
  font-size: 0.82rem;
  margin: 0.6rem auto 0;
  max-width: 780px;
}

@media (max-width: 980px) {
  .hero,
  .delivery {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    max-width: 760px;
  }

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

@media (max-width: 700px) {
  .site-header {
    min-height: 56px;
  }

  .site-header span {
    display: none;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero-offer {
    align-items: stretch;
    display: grid;
  }

  .hero-offer .cta {
    width: 100%;
  }

  .benefit-grid,
  .fit,
  .compatibility-options {
    grid-template-columns: 1fr;
  }

  .benefits {
    border-radius: 0;
    max-width: 100%;
  }

  .section-narrow,
  .section-wide {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  .steps {
    gap: 1rem;
  }

  .steps article {
    border-radius: 14px;
    overflow-x: auto;
  }

  .steps img {
    min-width: 700px;
  }

  .how-note {
    font-size: 0.9rem;
  }

  .delivery {
    padding-top: 3rem;
  }

  .delivery-copy {
    order: -1;
  }
}

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

  .cta {
    transition: none;
  }
}