:root {
  color-scheme: light;
  --ink: #12161b;
  --muted: #5e6873;
  --line: #d9e1e7;
  --paper: #f7f9fb;
  --white: #ffffff;
  --teal: #087f8c;
  --teal-dark: #05616b;
  --yellow: #f0b429;
  --green: #237a57;
  --shadow: 0 22px 70px rgba(13, 28, 39, 0.13);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1.05em;
  height: 1.05em;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(247, 249, 251, 0.92);
  border-bottom: 1px solid rgba(18, 22, 27, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 124px);
  padding: clamp(28px, 4vw, 58px) clamp(18px, 4vw, 54px) clamp(34px, 5vw, 66px);
  background: linear-gradient(180deg, #f8fafc 0%, #eef4f6 100%);
}

.hero-copy {
  max-width: 670px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(2.45rem, 4.4vw, 4.7rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 3.8vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.1rem;
}

.hero-lede {
  margin: 20px 0 0;
  max-width: 660px;
  color: #35404a;
  font-size: clamp(1.03rem, 1.6vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0 20px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 12px 28px rgba(8, 127, 140, 0.22);
}

.button-primary:hover {
  background: var(--teal-dark);
}

.button-secondary {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid rgba(8, 127, 140, 0.2);
  border-radius: 999px;
  color: var(--teal-dark);
  background: rgba(255, 255, 255, 0.72);
  font-weight: 700;
  font-size: 0.9rem;
}

.hero-media {
  margin: 0;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 1672 / 941;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 1px clamp(18px, 4vw, 54px);
  background: var(--line);
}

.trust-strip div {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--white);
}

.benefit-icon,
.collection-icon,
.spec-icon {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.benefit-icon {
  color: var(--teal);
  margin-bottom: 4px;
}

.trust-strip span,
.section p,
.collection-grid p,
.steps p,
details p,
.microcopy,
.form-status,
.site-footer {
  color: var(--muted);
}

.section {
  padding: clamp(64px, 8vw, 112px) clamp(18px, 4vw, 54px);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.18fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  background: var(--white);
}

.section-copy {
  position: sticky;
  top: 96px;
}

.section-copy p:not(.eyebrow),
.pricing-copy p,
.order-copy p {
  max-width: 620px;
  font-size: 1.05rem;
}

.steps {
  display: grid;
  gap: 14px;
}

.steps article,
.collection-grid article,
.price-panel,
.order-form,
details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.steps article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 6px 18px;
  padding: 24px;
}

.step-icon {
  grid-row: 1 / span 2;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  color: var(--teal-dark);
  background: #e5f4f5;
  font-weight: 900;
}

.step-icon .icon {
  width: 21px;
  height: 21px;
  stroke-width: 2.2;
}

.steps p {
  margin: 0;
}

.bands {
  background: #edf4f1;
}

.section-heading {
  max-width: 820px;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.collection-grid article {
  display: grid;
  gap: 12px;
  align-content: start;
  min-height: 190px;
  padding: 22px;
}

.collection-icon {
  color: var(--teal);
}

.collection-grid p {
  margin: 0;
}

.tech {
  background: var(--ink);
  color: var(--white);
}

.tech .eyebrow {
  color: #80d7dc;
}

.spec-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 32px;
  background: rgba(255, 255, 255, 0.16);
}

.spec-list div {
  display: grid;
  gap: 9px;
  align-content: start;
  min-height: 126px;
  padding: 22px;
  background: #182029;
}

.spec-icon {
  color: #80d7dc;
  margin-bottom: 2px;
}

.spec-list span {
  color: #aab6c3;
  font-size: 0.9rem;
}

.spec-list strong {
  color: var(--white);
  font-size: 1rem;
}

.pricing {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(340px, 0.68fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  background: #f8fafc;
}

.price-panel {
  padding: clamp(22px, 3vw, 34px);
  box-shadow: var(--shadow);
}

.price-row,
.total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.price-row {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.price-row span,
.total-row span {
  color: var(--muted);
}

.price-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.price-row strong {
  font-size: 1.5rem;
}

.option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.option:has(input:checked) {
  border-color: var(--teal);
  background: #ecf8f9;
}

.option input {
  accent-color: var(--teal);
}

.option span {
  display: grid;
  gap: 3px;
}

.option small {
  color: var(--muted);
}

.option b {
  white-space: nowrap;
}

.total-row {
  margin-top: 18px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.total-row strong {
  color: var(--green);
  font-size: clamp(2rem, 4vw, 3rem);
}

.price-aware-cta {
  width: 100%;
  margin-top: 18px;
}

.microcopy {
  margin: 12px 0 0;
  font-size: 0.9rem;
  text-align: center;
}

.order {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(380px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  background: var(--white);
}

.order-form {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3vw, 34px);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid #cdd7df;
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(8, 127, 140, 0.18);
  border-color: var(--teal);
}

.wide {
  display: grid;
}

.form-status {
  min-height: 24px;
  margin: 0;
}

.form-status.success {
  color: var(--green);
  font-weight: 800;
}

.form-status.error {
  color: #b42318;
  font-weight: 800;
}

.faq {
  background: #f1f5f7;
}

details {
  max-width: 920px;
  padding: 0 22px;
}

details + details {
  margin-top: 12px;
}

summary {
  padding: 20px 0;
  font-weight: 850;
  cursor: pointer;
}

details p {
  margin-top: 0;
  padding-bottom: 20px;
}

.sticky-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: min(430px, calc(100vw - 36px));
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 44px rgba(13, 28, 39, 0.18);
  backdrop-filter: blur(12px);
}

.sticky-cta span {
  padding-left: 8px;
  white-space: nowrap;
}

.sticky-cta .button {
  min-height: 42px;
  padding: 0 16px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(18px, 4vw, 54px) 96px;
  background: var(--ink);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
  color: #aab6c3;
}

@media (max-width: 1080px) {
  .hero,
  .section-grid,
  .pricing,
  .order {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .section-copy {
    position: static;
  }

  .collection-grid,
  .spec-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-copy {
    max-width: 860px;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 28px;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 4rem);
  }

  h2 {
    font-size: clamp(1.9rem, 9vw, 3rem);
  }

  .trust-strip,
  .collection-grid,
  .spec-list,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .steps article {
    grid-template-columns: 1fr;
  }

  .option {
    grid-template-columns: auto 1fr;
  }

  .option b {
    grid-column: 2;
  }

  .sticky-cta {
    right: 10px;
    bottom: 10px;
    left: 10px;
    justify-content: space-between;
  }

  .sticky-cta span {
    white-space: normal;
  }
}

@media (max-width: 460px) {
  .hero-actions,
  .button,
  .sticky-cta .button {
    width: 100%;
  }

  .sticky-cta {
    display: grid;
    grid-template-columns: 1fr;
  }
}