:root {
  --navy: #071e4a;
  --deep-night: #04132f;
  --cyan: #18b8f2;
  --sky: #8bdff8;
  --white: #ffffff;
  --cloud: #f3f8fc;
  --line: #d8e5ee;
  --ink: #14213b;
  --muted: #617087;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

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

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

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(7, 30, 74, 0.08);
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr auto 1fr;
  left: 0;
  padding: 0.85rem clamp(1.25rem, 4vw, 4.5rem);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
}

.brand {
  align-items: center;
  background: var(--white);
  border-radius: 0.8rem;
  display: flex;
  height: 3.1rem;
  padding: 0.2rem 0.7rem;
  width: 12.2rem;
}

.brand img,
.footer-brand img {
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.site-header nav {
  align-items: center;
  display: flex;
  gap: 2rem;
}

.site-header nav a {
  color: var(--navy);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header > .button {
  justify-self: end;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 800;
  gap: 0.7rem;
  justify-content: center;
  letter-spacing: 0.1em;
  min-height: 3.35rem;
  padding: 0 1.55rem;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

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

.button-primary,
.button-small {
  background: var(--cyan);
  color: var(--deep-night);
}

.button-small {
  min-height: 2.8rem;
  padding-inline: 1.25rem;
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--white);
  min-height: 3rem;
}

.button-ghost:hover {
  background: var(--white);
  color: var(--navy);
}

.hero {
  background:
    radial-gradient(circle at 74% 38%, rgba(24, 184, 242, 0.17), transparent 27%),
    linear-gradient(135deg, var(--deep-night) 0%, var(--navy) 68%, #073866 100%);
  color: var(--white);
  display: grid;
  gap: clamp(3rem, 7vw, 7rem);
  grid-template-columns: minmax(0, 0.87fr) minmax(27rem, 1.13fr);
  min-height: calc(100vh - 4.9rem);
  overflow: hidden;
  padding: clamp(4.5rem, 8vw, 8rem) clamp(1.5rem, 6vw, 7rem);
  position: relative;
}

.hero::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  bottom: 0;
  content: "";
  height: 1px;
  left: 10%;
  position: absolute;
  width: 80%;
}

.hero-copy {
  align-self: center;
  max-width: 42rem;
  position: relative;
  z-index: 2;
}

.eyebrow {
  align-items: center;
  color: var(--sky);
  display: flex;
  font-size: 0.73rem;
  font-weight: 800;
  gap: 0.65rem;
  letter-spacing: 0.19em;
  margin: 0 0 1.7rem;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: #167fc6;
}

.eyebrow.light {
  color: var(--cyan);
}

.eyebrow-dot {
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--cyan);
  height: 0.45rem;
  width: 0.45rem;
}

.hero h1 {
  font-size: clamp(4rem, 7.5vw, 8.6rem);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.86;
  margin: 0;
  max-width: 8ch;
}

.hero h1 span {
  color: var(--cyan);
  display: block;
}

.hero-intro {
  color: rgba(255, 255, 255, 0.74);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.75;
  margin: 2.3rem 0;
  max-width: 37rem;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.text-link {
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.65rem 0;
}

.availability {
  align-items: baseline;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.79rem;
  gap: 0.55rem;
  letter-spacing: 0.05em;
  margin-top: 3rem;
  padding-top: 1.2rem;
}

.availability span {
  color: rgba(255, 255, 255, 0.52);
}

.availability a {
  color: var(--cyan);
  font-weight: 800;
}

.hero-visual {
  align-self: center;
  min-height: 39rem;
  position: relative;
}

.hero-product {
  background: #05090f;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 2.2rem;
  box-shadow: 0 3rem 7rem rgba(0, 0, 0, 0.38), 0 0 4rem rgba(24, 184, 242, 0.13);
  inset: 2rem 0 2rem 2rem;
  overflow: hidden;
  position: absolute;
  transform: rotate(1.8deg);
  z-index: 2;
}

.hero-product > img {
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
  width: 100%;
}

.hero-product:hover > img {
  transform: scale(1.025);
}

.product-caption {
  align-items: flex-end;
  background: linear-gradient(transparent, rgba(4, 19, 47, 0.9));
  bottom: 0;
  display: flex;
  flex-direction: column;
  left: 0;
  padding: 4.5rem 2rem 1.7rem;
  position: absolute;
  right: 0;
}

.product-caption span {
  color: var(--cyan);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.product-caption strong {
  font-size: 1.1rem;
  margin-top: 0.35rem;
}

.hero-orbit {
  border: 1px solid rgba(24, 184, 242, 0.22);
  border-radius: 50%;
  position: absolute;
}

.hero-orbit-one {
  height: 37rem;
  right: -12rem;
  top: -1rem;
  width: 37rem;
}

.hero-orbit-two {
  bottom: -4rem;
  height: 26rem;
  left: -3rem;
  width: 26rem;
}

.floating-label {
  backdrop-filter: blur(10px);
  background: rgba(7, 30, 74, 0.82);
  border: 1px solid rgba(24, 184, 242, 0.35);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  padding: 0.8rem 1.1rem;
  position: absolute;
  z-index: 3;
}

.label-top {
  right: 1rem;
  top: 0;
}

.label-bottom {
  bottom: 0;
  left: 0;
}

.intro-strip {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0 clamp(1.5rem, 6vw, 7rem);
}

.intro-strip > div {
  align-items: center;
  border-right: 1px solid var(--line);
  display: flex;
  gap: 1rem;
  min-height: 5.5rem;
  padding: 1rem 2rem;
}

.intro-strip > div:first-child {
  border-left: 1px solid var(--line);
}

.intro-strip span {
  color: var(--cyan);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.72rem;
}

.intro-strip strong {
  color: var(--navy);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section {
  padding: clamp(5.5rem, 9vw, 9rem) clamp(1.5rem, 6vw, 7rem);
}

.section-heading {
  align-items: end;
  display: grid;
  gap: 4rem;
  grid-template-columns: 1.35fr 0.65fr;
  margin: 0 auto 4rem;
  max-width: 86rem;
}

.section-heading.compact {
  margin-bottom: 3rem;
}

.section-heading h2,
.faq-section h2 {
  color: var(--navy);
  font-size: clamp(2.5rem, 4.5vw, 5rem);
  letter-spacing: -0.055em;
  line-height: 1;
  margin: 0;
}

.section-heading > p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
  max-width: 32rem;
}

.range-section {
  background: var(--cloud);
}

.product-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 auto;
  max-width: 86rem;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 1.3rem;
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.product-card:hover {
  box-shadow: 0 1.5rem 3rem rgba(7, 30, 74, 0.1);
  transform: translateY(-6px);
}

.product-card-wide {
  grid-column: span 2;
}

.product-image {
  aspect-ratio: 16 / 10;
  background: #0a0e16;
  overflow: hidden;
  position: relative;
}

.product-image img {
  height: 100%;
  object-fit: cover;
  transition: transform 450ms ease;
  width: 100%;
}

.product-card:hover .product-image img {
  transform: scale(1.035);
}

.product-image span {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  color: var(--navy);
  font-size: 0.6rem;
  font-weight: 800;
  left: 0.85rem;
  letter-spacing: 0.12em;
  padding: 0.55rem 0.75rem;
  position: absolute;
  text-transform: uppercase;
  top: 0.85rem;
}

.product-info {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1.15rem 1.2rem 1.3rem;
}

.product-info h3 {
  color: var(--navy);
  font-size: 0.95rem;
  margin: 0;
}

.product-info a {
  color: #168dc5;
  font-size: 0.67rem;
  font-weight: 800;
  text-align: right;
  text-transform: uppercase;
}

.center-action {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.feature-section {
  background: var(--deep-night);
  color: var(--white);
  display: grid;
  gap: clamp(3rem, 7vw, 8rem);
  grid-template-columns: minmax(20rem, 0.9fr) minmax(24rem, 1.1fr);
}

.feature-visual {
  align-self: stretch;
  border-radius: 2rem;
  min-height: 46rem;
  overflow: hidden;
  position: relative;
}

.feature-visual > img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.feature-visual::after {
  background: linear-gradient(transparent 35%, rgba(4, 19, 47, 0.86));
  content: "";
  inset: 0;
  position: absolute;
}

.feature-visual-copy {
  align-items: center;
  bottom: 2rem;
  display: flex;
  gap: 1rem;
  left: 2rem;
  position: absolute;
  z-index: 2;
}

.feature-visual-copy img {
  background: var(--white);
  border-radius: 0.8rem;
  height: 3.7rem;
  object-fit: contain;
  padding: 0.3rem;
  width: 3.7rem;
}

.feature-visual-copy p {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  margin: 0;
}

.feature-copy {
  align-self: center;
}

.feature-copy h2,
.lifestyle-copy h2,
.final-cta h2 {
  font-size: clamp(3rem, 5.2vw, 5.8rem);
  letter-spacing: -0.06em;
  line-height: 0.95;
  margin: 0;
}

.feature-lead {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.8;
  margin: 2rem 0 2.5rem;
  max-width: 37rem;
}

.feature-list {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.feature-list article {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: grid;
  gap: 1.3rem;
  grid-template-columns: 2.5rem 1fr;
  padding: 1.25rem 0;
}

.feature-list article > span {
  color: var(--cyan);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.7rem;
  padding-top: 0.25rem;
}

.feature-list h3 {
  font-size: 0.95rem;
  margin: 0 0 0.4rem;
}

.feature-list p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.82rem;
  line-height: 1.55;
  margin: 0;
}

.collection-types {
  background: var(--white);
}

.type-grid {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: 1fr 1fr;
  margin: 0 auto;
  max-width: 86rem;
}

.type-card {
  border-radius: 1.7rem;
  min-height: 41rem;
  overflow: hidden;
  position: relative;
}

.type-card > img {
  height: 100%;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.type-overlay {
  background: linear-gradient(transparent 25%, rgba(4, 19, 47, 0.94));
  inset: 0;
  position: absolute;
}

.type-copy {
  bottom: 2.2rem;
  color: var(--white);
  left: 2.2rem;
  max-width: 31rem;
  position: absolute;
  right: 2.2rem;
  z-index: 2;
}

.type-copy > span {
  color: var(--cyan);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.type-copy h3 {
  font-size: clamp(2.6rem, 4vw, 4.3rem);
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0.7rem 0 1rem;
}

.type-copy p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
  margin: 0 0 1.6rem;
}

.lifestyle-band {
  background: var(--navy);
  color: var(--white);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  min-height: 39rem;
}

.lifestyle-image {
  min-height: 39rem;
}

.lifestyle-image img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.lifestyle-copy {
  align-self: center;
  padding: clamp(3rem, 7vw, 7rem);
}

.lifestyle-copy > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.75;
  margin: 1.7rem 0 2rem;
  max-width: 29rem;
}

.faq-section {
  align-items: start;
  background: var(--cloud);
  display: grid;
  gap: clamp(3rem, 8vw, 8rem);
  grid-template-columns: 0.7fr 1.3fr;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 0;
}

.faq-list summary {
  align-items: center;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  font-size: 1rem;
  font-weight: 800;
  justify-content: space-between;
  list-style: none;
  padding: 1.5rem 0;
}

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

.faq-list summary span {
  color: var(--cyan);
  font-size: 1.6rem;
  font-weight: 400;
  transition: transform 180ms ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  color: var(--muted);
  line-height: 1.7;
  margin: -0.4rem 0 1.6rem;
  max-width: 50rem;
}

.final-cta {
  align-items: center;
  background:
    radial-gradient(circle at center, rgba(24, 184, 242, 0.2), transparent 30%),
    var(--deep-night);
  color: var(--white);
  display: flex;
  flex-direction: column;
  min-height: 45rem;
  overflow: hidden;
  padding: 6rem 1.5rem;
  position: relative;
  text-align: center;
}

.final-cta::before {
  border: 1px solid rgba(24, 184, 242, 0.14);
  border-radius: 50%;
  content: "";
  height: 38rem;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 38rem;
}

.final-cta > * {
  position: relative;
  z-index: 2;
}

.final-icon {
  background: var(--white);
  border-radius: 1.1rem;
  height: 5rem;
  margin-bottom: 1.8rem;
  padding: 0.35rem;
  width: 5rem;
}

.final-icon img {
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.final-cta h2 {
  font-size: clamp(3.7rem, 7vw, 7.5rem);
}

.final-cta > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin: 1.7rem 0 2rem;
  max-width: 37rem;
}

footer {
  align-items: center;
  background: var(--white);
  color: var(--muted);
  display: grid;
  gap: 1.5rem;
  grid-template-columns: auto 1fr auto;
  padding: 2.2rem clamp(1.5rem, 6vw, 7rem);
}

.footer-brand {
  background: var(--white);
  height: 3.1rem;
  width: 12rem;
}

footer p {
  font-size: 0.8rem;
  margin: 0;
}

footer > div {
  display: flex;
  gap: 1.4rem;
}

footer > div a {
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

footer small {
  border-top: 1px solid var(--line);
  font-size: 0.64rem;
  grid-column: 1 / -1;
  padding-top: 1rem;
}

@media (max-width: 1050px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr 1fr;
    padding-inline: 2.5rem;
  }

  .hero-visual {
    min-height: 32rem;
  }

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

  .product-card-wide {
    grid-column: span 1;
  }

  .feature-section {
    grid-template-columns: 1fr 1fr;
    padding-inline: 2.5rem;
  }
}

@media (max-width: 760px) {
  .site-header {
    gap: 1rem;
    padding: 0.65rem 1rem;
  }

  .brand {
    height: 2.75rem;
    width: 10.2rem;
  }

  .button-small {
    font-size: 0.62rem;
    min-height: 2.55rem;
    padding-inline: 0.9rem;
  }

  .hero {
    gap: 2.5rem;
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 4.5rem 1.25rem 3.2rem;
  }

  .hero h1 {
    font-size: clamp(4.2rem, 22vw, 6.3rem);
  }

  .hero-visual {
    min-height: 26rem;
  }

  .hero-product {
    inset: 1rem 0 1rem 0.6rem;
  }

  .floating-label {
    display: none;
  }

  .intro-strip {
    grid-template-columns: 1fr 1fr;
    padding: 0;
  }

  .intro-strip > div {
    border-bottom: 1px solid var(--line);
    min-height: 4.5rem;
    padding: 0.8rem 1rem;
  }

  .section {
    padding: 5rem 1.25rem;
  }

  .section-heading,
  .faq-section {
    gap: 1.5rem;
    grid-template-columns: 1fr;
  }

  .section-heading {
    margin-bottom: 2.7rem;
  }

  .section-heading h2,
  .faq-section h2 {
    font-size: 2.75rem;
  }

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

  .feature-section {
    gap: 3rem;
    grid-template-columns: 1fr;
    padding-inline: 1.25rem;
  }

  .feature-visual {
    min-height: 32rem;
  }

  .feature-copy h2,
  .lifestyle-copy h2 {
    font-size: 3.3rem;
  }

  .type-grid,
  .lifestyle-band {
    grid-template-columns: 1fr;
  }

  .type-card {
    min-height: 34rem;
  }

  .lifestyle-image {
    min-height: 26rem;
  }

  .lifestyle-copy {
    padding: 4rem 1.25rem 5rem;
  }

  .final-cta {
    min-height: 38rem;
  }

  footer {
    grid-template-columns: 1fr;
    text-align: left;
  }

  footer > div {
    flex-wrap: wrap;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}