:root {
  --white: #ffffff;
  --paper: #f6f6f3;
  --ink: #111111;
  --muted: #666b73;
  --line: #d9dce1;
  --volt: #d7ff3f;
  --blue: #105fba;
  --orange: #d46a21;
  --dark: #111111;
  --max: 1320px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

button {
  font: inherit;
}

.announcement {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  min-height: 38px;
  padding: 8px 20px;
  color: var(--white);
  background: var(--dark);
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
}

.announcement a {
  color: var(--volt);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.brand,
.main-nav,
.header-actions,
.rating-line,
.price-row,
.option-header,
.color-options,
.purchase-notes,
.hero-rail,
.category-strip,
.site-footer,
.site-footer nav,
.sticky-buy-bar {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-family: "Archivo", sans-serif;
  font-weight: 900;
  font-size: 1.08rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: var(--volt);
  background: var(--ink);
}

.main-nav {
  gap: 30px;
  color: #2c3036;
  font-size: 0.92rem;
  font-weight: 800;
  text-transform: uppercase;
}

.main-nav a:hover,
.text-link:hover,
.site-footer a:hover {
  color: var(--blue);
}

.header-actions {
  gap: 16px;
}

.text-link {
  color: var(--muted);
  font-weight: 800;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 900;
  text-transform: uppercase;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

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

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

.button-buy {
  width: 100%;
  color: var(--ink);
  background: var(--volt);
}

.button-buy:hover {
  background: #c9f22f;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.72fr);
  min-height: calc(100vh - 112px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, #eef0f3 0%, #ffffff 46%, #f7f7f5 100%);
  overflow: hidden;
}

.hero::before {
  content: "ZIFEET";
  position: absolute;
  left: 24px;
  bottom: -48px;
  color: rgba(17, 17, 17, 0.045);
  font-family: "Archivo", sans-serif;
  font-size: 18vw;
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.hero-media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 640px;
  padding: 54px 34px 96px;
}

.hero-media img {
  width: min(92%, 920px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 38px 42px rgba(17, 17, 17, 0.18));
  transform: rotate(-5deg);
}

.hero-content {
  position: relative;
  align-self: center;
  padding: 46px 44px 84px;
  background: var(--white);
  border-left: 1px solid var(--line);
}

.kicker,
.section-title span,
.product-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-family: "Archivo", sans-serif;
  font-size: 0.84rem;
  font-weight: 900;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Archivo", sans-serif;
  line-height: 1;
}

h1 {
  max-width: 8ch;
  font-size: clamp(4rem, 8vw, 7.6rem);
  font-weight: 900;
  text-transform: uppercase;
}

h2 {
  max-width: 13ch;
  font-size: clamp(2.2rem, 4.4vw, 5.4rem);
  font-weight: 900;
  text-transform: uppercase;
}

h3 {
  font-size: 1.18rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-copy,
.feature-card p,
.story-copy p,
.review-card p,
.size-content p,
.final-inner p,
.product-card p {
  color: var(--muted);
  line-height: 1.65;
}

.hero-copy {
  max-width: 44ch;
  margin: 20px 0 0;
  font-size: 1.05rem;
}

.rating-line {
  gap: 9px;
  margin: 20px 0 26px;
  color: var(--orange);
  font-size: 0.95rem;
}

.rating-line strong {
  color: var(--ink);
}

.rating-line em {
  color: var(--muted);
  font-style: normal;
}

.buy-panel {
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.price-row {
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 22px;
}

.label,
.option-header span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.price-row strong {
  display: block;
  margin-top: 4px;
  font-family: "Archivo", sans-serif;
  font-size: 2rem;
}

.stock-badge {
  padding: 8px 10px;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.option-block {
  margin-bottom: 20px;
}

.option-header {
  justify-content: space-between;
  margin-bottom: 10px;
}

.option-header a {
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.color-options {
  gap: 10px;
}

.color-swatch {
  width: 54px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
}

.color-swatch.is-active {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.color-swatch span {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.swatch-white {
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #fff 0 60%, #b87526 60% 100%);
}

.swatch-black {
  background: #111;
}

.size-options {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.size-options button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
  font-weight: 900;
}

.size-options button.is-active {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.purchase-notes {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.purchase-notes span::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.hero-rail {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 22px;
  z-index: 2;
  justify-content: flex-start;
  gap: 12px;
}

.hero-rail div {
  width: 180px;
  padding: 13px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
}

.hero-rail strong,
.hero-rail span {
  display: block;
}

.hero-rail strong {
  margin-bottom: 5px;
  font-family: "Archivo", sans-serif;
  text-transform: uppercase;
}

.hero-rail span {
  color: var(--muted);
  font-size: 0.85rem;
}

.category-strip {
  justify-content: center;
  gap: 0;
  border-bottom: 1px solid var(--line);
  background: var(--white);
  overflow-x: auto;
}

.category-strip a {
  min-width: 190px;
  padding: 18px 26px;
  border-right: 1px solid var(--line);
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.category-strip a:first-child {
  border-left: 1px solid var(--line);
}

.category-strip a:hover {
  background: var(--volt);
}

.section {
  padding: 86px 28px;
}

.section-title {
  width: min(100%, var(--max));
  margin: 0 auto 34px;
}

.feature-band {
  background: var(--paper);
}

.feature-grid,
.review-grid,
.product-grid,
.faq-grid {
  width: min(100%, var(--max));
  display: grid;
  gap: 16px;
  margin: 0 auto;
}

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

.feature-card,
.review-card,
.product-card,
.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.feature-card {
  min-height: 230px;
  padding: 24px;
}

.feature-card span {
  display: block;
  margin-bottom: 48px;
  color: var(--blue);
  font-family: "Archivo", sans-serif;
  font-weight: 900;
}

.product-story,
.size-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: stretch;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.story-copy,
.size-content {
  padding: 84px max(28px, calc((100vw - var(--max)) / 2)) 84px 28px;
  align-self: center;
}

.story-copy {
  padding-left: max(28px, calc((100vw - var(--max)) / 2));
}

.story-copy p,
.size-content p,
.final-inner p {
  max-width: 52ch;
  margin: 18px 0 28px;
}

.story-media,
.size-media,
.review-photo {
  min-height: 430px;
  overflow: hidden;
  background: var(--paper);
}

.story-media img,
.size-media img,
.review-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-section {
  background: var(--white);
}

.review-grid {
  grid-template-columns: 1.15fr 0.85fr 1.15fr 0.85fr;
}

.review-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 330px;
  padding: 24px;
}

.stars {
  color: var(--orange);
  font-weight: 900;
}

.size-section {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  background: var(--paper);
}

.size-content {
  padding-left: max(28px, calc((100vw - var(--max)) / 2));
}

.size-table {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  max-width: 620px;
  margin-bottom: 24px;
}

.size-table span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  font-weight: 900;
}

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

.product-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1.15;
  object-fit: contain;
  padding: 18px;
  background: #f2f3f4;
}

.product-card div {
  padding: 18px;
}

.product-card p {
  margin: 10px 0 0;
  font-weight: 900;
}

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

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

.faq-item {
  min-height: 230px;
  padding: 24px;
}

.faq-item p {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.compact-card {
  min-height: 390px;
  background:
    linear-gradient(140deg, rgba(17, 17, 17, 0.88), rgba(16, 95, 186, 0.84)),
    url("./assets/urban-runner.png") center / cover;
  color: var(--white);
}

.compact-card div {
  margin-top: auto;
}

.compact-card span,
.compact-card p {
  color: var(--white);
}

.final-cta {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.82), rgba(17, 17, 17, 0.35)),
    url("./assets/street-run-black.png") right center / min(720px, 56vw) auto no-repeat,
    var(--ink);
}

.final-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.final-inner .kicker,
.final-inner p {
  color: rgba(255, 255, 255, 0.78);
}

.final-inner .button {
  width: auto;
}

.site-footer {
  justify-content: space-between;
  gap: 18px;
  padding: 34px 28px 110px;
  border-top: 1px solid var(--line);
  font-weight: 900;
}

.site-footer nav {
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
}

.sticky-buy-bar {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  gap: 18px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: var(--white);
  background: rgba(17, 17, 17, 0.94);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px);
  transition: opacity 180ms ease, transform 180ms ease;
}

body.show-sticky-buy .sticky-buy-bar {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.sticky-buy-bar strong,
.sticky-buy-bar span {
  display: block;
}

.sticky-buy-bar span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.sticky-buy-bar a {
  min-height: 42px;
  padding: 0 18px;
  border-radius: 6px;
  background: var(--volt);
  color: var(--ink);
  font-weight: 900;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .main-nav {
    display: none;
  }

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

  .hero-content {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  h1 {
    max-width: 11ch;
  }

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

  .product-story,
  .size-section {
    grid-template-columns: 1fr;
  }

  .story-copy,
  .size-content {
    padding: 70px 28px;
  }
}

@media (max-width: 720px) {
  .announcement {
    justify-content: center;
    gap: 12px;
    overflow-x: visible;
    white-space: normal;
    text-align: center;
    font-size: 0.74rem;
  }

  .announcement span:nth-child(2) {
    display: none;
  }

  .site-header {
    position: relative;
    min-height: auto;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px;
  }

  .header-actions {
    width: 100%;
  }

  .text-link {
    display: none;
  }

  .header-actions .button {
    width: 100%;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    min-height: clamp(300px, 52vh, 430px);
    padding: 26px 18px 22px;
    overflow: hidden;
  }

  .hero-media img {
    width: min(86vw, 460px);
    max-width: 100%;
    height: auto;
    object-fit: contain;
    transform: rotate(-4deg);
  }

  .hero-content {
    padding: 26px 18px 28px;
  }

  h1 {
    font-size: 4.1rem;
  }

  h2 {
    font-size: 2.65rem;
  }

  .hero-rail {
    position: static;
    display: grid;
    grid-template-columns: 1fr;
    padding: 0 18px 18px;
    background: var(--white);
  }

  .hero-rail div {
    width: 100%;
  }

  .size-options {
    grid-template-columns: repeat(3, 1fr);
  }

  .purchase-notes {
    display: grid;
  }

  .section {
    padding: 64px 18px;
  }

  .feature-grid,
  .review-grid,
  .product-grid,
  .faq-grid,
  .size-table {
    grid-template-columns: 1fr;
  }

  .story-media,
  .size-media,
  .review-photo {
    min-height: 330px;
  }

  .product-card,
  .compact-card {
    min-height: 340px;
  }

  .final-cta {
    background:
      linear-gradient(180deg, rgba(17, 17, 17, 0.86), rgba(17, 17, 17, 0.72)),
      url("./assets/street-run-black.png") center bottom / 120% auto no-repeat,
      var(--ink);
    padding-bottom: 260px;
  }

  .final-inner .button {
    width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 32px;
  }

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