:root {
  color: #111925;
  background: #f4f2ec;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: #f4f2ec;
}

button,
a {
  font: inherit;
}

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

.demo-notice {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 7px 24px;
  background: #b9ff43;
  color: #111925;
  font-size: 11px;
  font-weight: 720;
  letter-spacing: 0.055em;
  text-align: center;
  text-transform: uppercase;
}

.demo-notice span {
  border-radius: 999px;
  padding: 2px 7px;
  background: #111925;
  color: #b9ff43;
  font-size: 9px;
}

.site-header {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 80px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 0 clamp(22px, 4vw, 68px);
  border-bottom: 1px solid rgba(17, 25, 37, 0.12);
  background: rgba(244, 242, 236, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 16px;
  font-weight: 820;
  letter-spacing: 0.13em;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: #111925;
  color: #b9ff43;
  font-size: 12px;
  letter-spacing: -0.08em;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-header nav a,
.text-action {
  transition:
    color 160ms ease,
    opacity 160ms ease;
}

.site-header nav a:hover,
.text-action:hover {
  color: #3464e0;
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.header-actions button {
  min-height: 40px;
  border: 1px solid rgba(17, 25, 37, 0.18);
  border-radius: 999px;
  padding: 0 15px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.header-actions button:first-child {
  width: 40px;
  padding: 0;
  font-size: 25px;
  font-weight: 400;
}

.header-actions span {
  display: inline-grid;
  min-width: 19px;
  height: 19px;
  margin-left: 5px;
  place-items: center;
  border-radius: 50%;
  background: #111925;
  color: #fff;
  font-size: 10px;
}

.hero {
  display: grid;
  min-height: min(790px, calc(100vh - 114px));
  grid-template-columns: minmax(330px, 0.78fr) minmax(480px, 1.22fr);
  overflow: hidden;
  background: #f4f2ec;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px clamp(28px, 6vw, 94px);
}

.eyebrow {
  margin: 0 0 22px;
  color: #506078;
  font-size: 11px;
  font-weight: 790;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.technology h2 {
  margin: 0;
  font-size: clamp(52px, 6.2vw, 100px);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.91;
}

.hero h1 span {
  display: block;
  color: #3464e0;
}

.hero-lead {
  max-width: 520px;
  margin: 32px 0 0;
  color: #536176;
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 40px;
}

.primary-action {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 25px;
  background: #111925;
  color: #fff;
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  transition:
    transform 160ms ease,
    background 160ms ease;
}

.primary-action:hover {
  transform: translateY(-2px);
  background: #3464e0;
}

.text-action {
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 620px;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 64% 35%, rgba(98, 236, 255, 0.28), transparent 28%),
    linear-gradient(145deg, #17263f 0%, #294a87 48%, #4570d5 100%);
}

.hero-visual::after {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.orbit-one {
  width: min(44vw, 680px);
  height: min(44vw, 680px);
}

.orbit-two {
  width: min(31vw, 480px);
  height: min(31vw, 480px);
}

.shoe-art {
  position: relative;
  z-index: 1;
  width: min(90%, 790px);
  transform: translateY(-2%);
  animation: float-shoe 5s ease-in-out infinite;
}

@keyframes float-shoe {
  0%,
  100% {
    transform: translateY(-2%);
  }
  50% {
    transform: translateY(-5%);
  }
}

.product-index {
  position: absolute;
  z-index: 1;
  bottom: 34px;
  left: 40px;
  display: flex;
  flex-direction: column;
  color: #fff;
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.14em;
}

.product-index span:first-child {
  font-size: 22px;
  letter-spacing: -0.02em;
}

.hero-spec {
  position: absolute;
  z-index: 1;
  top: 38px;
  right: 40px;
  display: flex;
  flex-direction: column;
  color: #b9ff43;
  text-align: right;
}

.hero-spec span {
  font-size: 26px;
  font-weight: 790;
}

.hero-spec small {
  color: rgba(255, 255, 255, 0.7);
  font-size: 9px;
  font-weight: 780;
  letter-spacing: 0.16em;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid rgba(17, 25, 37, 0.13);
  background: #fff;
}

.proof-strip p {
  margin: 0;
  padding: 24px 28px;
  border-right: 1px solid rgba(17, 25, 37, 0.13);
  color: #667287;
  font-size: 12px;
  text-align: center;
}

.proof-strip p:last-child {
  border-right: 0;
}

.proof-strip strong {
  margin-right: 5px;
  color: #111925;
}

.collection {
  padding: 118px clamp(22px, 5vw, 78px) 132px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 54px;
}

.section-heading h2 {
  font-size: clamp(42px, 5vw, 76px);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.product-card {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border-radius: 24px;
  padding: 24px;
}

.product-card-blue {
  background: #d9e7ff;
}

.product-card-sand {
  background: #e7ddca;
}

.product-card-dark {
  background: #182236;
  color: #fff;
}

.product-badge {
  position: relative;
  z-index: 1;
  width: max-content;
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.75);
  color: #111925;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mini-shoe {
  position: absolute;
  top: 37%;
  left: 50%;
  width: 70%;
  height: 23%;
  border-radius: 64% 32% 30% 40% / 60% 54% 30% 34%;
  background: linear-gradient(135deg, #fff 0%, #b5c2d9 60%, #7688a5 100%);
  box-shadow:
    0 32px 24px rgba(18, 31, 55, 0.18),
    inset -18px -13px 20px rgba(30, 48, 78, 0.2);
  transform: translate(-50%, -50%) rotate(-12deg);
}

.mini-shoe::before {
  position: absolute;
  right: -4%;
  bottom: -18%;
  left: 2%;
  height: 28%;
  border-radius: 30% 50% 45% 40%;
  background: #3464e0;
  content: "";
}

.mini-shoe::after {
  position: absolute;
  top: 26%;
  right: 24%;
  width: 34%;
  height: 6px;
  border-block: 5px double rgba(17, 25, 37, 0.42);
  content: "";
  transform: rotate(18deg);
}

.mini-shoe-two {
  background: linear-gradient(135deg, #faf1dd, #c9aa7f 70%, #8f7456);
  transform: translate(-50%, -50%) rotate(9deg);
}

.mini-shoe-two::before {
  background: #f5efe3;
}

.mini-shoe-three {
  background: linear-gradient(135deg, #63728b, #24334a 66%, #111925);
  box-shadow:
    0 32px 24px rgba(0, 0, 0, 0.36),
    inset -18px -13px 20px rgba(0, 0, 0, 0.3);
}

.mini-shoe-three::before {
  background: #b9ff43;
}

.mini-shoe-three::after {
  border-color: rgba(255, 255, 255, 0.45);
}

.product-meta {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
}

.product-meta h3 {
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.product-meta p {
  margin: 6px 0 0;
  color: #637087;
  font-size: 12px;
}

.product-card-dark .product-meta p {
  color: #a8b2c2;
}

.product-meta strong {
  white-space: nowrap;
  font-size: 14px;
}

.technology {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  background: #111925;
  color: #fff;
}

.technology-copy {
  padding: 110px clamp(28px, 7vw, 110px) 120px;
}

.technology-copy .eyebrow {
  color: #b9ff43;
}

.technology h2 {
  font-size: clamp(42px, 5.1vw, 76px);
  line-height: 0.97;
}

.technology-copy > p:not(.eyebrow) {
  max-width: 660px;
  margin: 34px 0 42px;
  color: #aab5c6;
  font-size: 17px;
  line-height: 1.7;
}

.primary-action-light {
  background: #b9ff43;
  color: #111925;
}

.primary-action-light:hover {
  background: #62ecff;
}

.technology-data {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.technology-data div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px clamp(32px, 6vw, 92px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.technology-data div:last-child {
  border-bottom: 0;
}

.technology-data strong {
  color: #b9ff43;
  font-size: clamp(42px, 5vw, 72px);
  letter-spacing: -0.055em;
}

.technology-data span {
  margin-top: 5px;
  color: #9ca8ba;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 44px clamp(22px, 5vw, 78px);
  background: #080e18;
  color: #9ea9ba;
  font-size: 11px;
}

footer p:last-child {
  text-align: right;
}

.brand-footer {
  color: #fff;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

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

  .hero-copy {
    min-height: 600px;
  }

  .hero-visual {
    min-height: 560px;
  }

  .orbit-one {
    width: 650px;
    height: 650px;
  }

  .orbit-two {
    width: 460px;
    height: 460px;
  }

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

  .proof-strip p:nth-child(2) {
    border-right: 0;
  }

  .proof-strip p:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(17, 25, 37, 0.13);
  }

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

  .product-card {
    min-height: 440px;
  }

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

  .technology-data {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: none;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    border-left: 0;
  }

  .technology-data div {
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 0;
  }
}

@media (max-width: 640px) {
  .demo-notice {
    align-items: flex-start;
    font-size: 9px;
    line-height: 1.4;
  }

  .site-header {
    min-height: 68px;
    padding-inline: 16px;
  }

  .brand {
    font-size: 13px;
  }

  .brand-mark {
    width: 31px;
    height: 31px;
  }

  .header-actions button:first-child {
    display: none;
  }

  .header-actions button {
    min-height: 36px;
    padding-inline: 12px;
  }

  .hero-copy {
    min-height: 550px;
    padding: 72px 22px;
  }

  .hero h1 {
    font-size: clamp(46px, 16vw, 68px);
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-visual {
    min-height: 440px;
  }

  .shoe-art {
    width: 110%;
  }

  .product-index {
    bottom: 22px;
    left: 22px;
  }

  .hero-spec {
    top: 22px;
    right: 22px;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

  .proof-strip p {
    border-right: 0;
    border-bottom: 1px solid rgba(17, 25, 37, 0.13);
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .collection {
    padding-block: 86px;
  }

  .product-card {
    min-height: 400px;
    border-radius: 18px;
  }

  .technology-copy {
    padding: 84px 22px;
  }

  .technology-data {
    grid-template-columns: 1fr;
  }

  .technology-data div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

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

  footer p,
  footer p:last-child {
    margin: 0;
    text-align: left;
  }
}

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

  .shoe-art {
    animation: none;
  }
}