:root {
  --ink: #101217;
  --muted: #5f6672;
  --line: #dfe4ea;
  --paper: #ffffff;
  --soft: #f6f8fa;
  --graphite: #1b2027;
  --green: #0b8a73;
  --blue: #1466ff;
  --copper: #aa6842;
  --shadow: 0 22px 60px rgba(16, 18, 23, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

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

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 56px);
  color: var(--paper);
  background: rgba(16, 18, 23, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.site-header.is-scrolled,
.site-header.menu-open,
.site-header.header-solid {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--line);
}

.page-shell { padding-top: 72px; }
.page-hero { padding: clamp(72px, 9vw, 118px) clamp(20px, 6vw, 88px); background: #11151a; color: #fff; }
.page-hero-inner { max-width: 1180px; margin: 0 auto; }
.page-hero h1 { max-width: 850px; margin-top: 18px; font-size: clamp(2.7rem, 6vw, 5.8rem); }
.page-hero p { max-width: 680px; margin-top: 24px; color: rgba(255,255,255,.72); font-size: 1.08rem; line-height: 1.7; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 9px; color: rgba(255,255,255,.58); font-size: .82rem; }
.breadcrumb a:hover { color: #fff; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 9px; max-width: 1280px; margin: 0 auto 30px; }
.filter-button { min-height: 40px; padding: 0 15px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink); font: inherit; font-size: .88rem; font-weight: 720; cursor: pointer; }
.filter-button.is-active { border-color: var(--ink); background: var(--ink); color: #fff; }
.product-card[hidden] { display: none; }
.product-link { display: inline-flex; margin-top: 18px; color: var(--blue); font-size: .9rem; font-weight: 760; }
.product-detail { display: grid; grid-template-columns: minmax(320px, .95fr) minmax(0, 1.05fr); gap: clamp(36px, 7vw, 100px); max-width: 1180px; margin: 0 auto; align-items: center; }
.product-gallery { min-height: 560px; display: grid; place-items: center; padding: clamp(26px, 5vw, 60px); background: linear-gradient(145deg,#f8fafc,#e9eef3); border-radius: var(--radius); }
.product-gallery img { width: 100%; max-height: 500px; object-fit: contain; }
.product-summary h1 { margin-top: 12px; font-size: clamp(2.7rem, 5vw, 5rem); color: var(--ink); }
.product-lead { margin-top: 22px; color: var(--muted); font-size: 1.08rem; line-height: 1.72; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.button-dark { background: var(--ink); color: #fff; }
.button-outline { border-color: var(--line); background: #fff; color: var(--ink); }
.spec-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; max-width: 1180px; margin: 46px auto 0; background: var(--line); border: 1px solid var(--line); }
.spec-item { min-height: 118px; padding: 22px; background: #fff; }
.spec-item span { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
.spec-item strong { display: block; margin-top: 12px; line-height: 1.4; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; max-width: 1180px; margin: 0 auto; }
.feature-tile { min-height: 210px; padding: 26px; border-top: 3px solid var(--green); background: #fff; }
.feature-tile h3 { font-size: 1.25rem; }
.feature-tile p { margin-top: 14px; color: var(--muted); line-height: 1.65; }
.detail-note { max-width: 1180px; margin: 30px auto 0; padding: 20px 22px; border-left: 3px solid var(--copper); background: #fff7f1; color: #6f4a35; line-height: 1.65; }
.article-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; max-width: 1180px; margin: 0 auto; }
.article-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.article-card img { width: 100%; aspect-ratio: 1.55/1; object-fit: cover; }
.article-card-body { padding: 24px; }
.article-meta { color: var(--copper); font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.article-card h2 { margin-top: 12px; font-size: 1.45rem; line-height: 1.18; }
.article-card p { margin-top: 14px; color: var(--muted); line-height: 1.65; }
.article-layout { display: grid; grid-template-columns: minmax(0,760px) 250px; gap: 70px; max-width: 1080px; margin: 0 auto; align-items: start; }
.article-body { font-size: 1.05rem; line-height: 1.82; }
.article-body h2 { margin: 44px 0 14px; font-size: 1.75rem; line-height: 1.2; }
.article-body p + p { margin-top: 18px; }
.article-body ul { padding-left: 20px; }
.article-body li + li { margin-top: 10px; }
.article-aside { position: sticky; top: 100px; padding-left: 22px; border-left: 1px solid var(--line); }
.article-aside strong { display: block; }
.article-aside a { display: block; margin-top: 12px; color: var(--blue); font-size: .9rem; }
.about-values { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; max-width: 1180px; margin: 0 auto; }
.about-value { padding-top: 22px; border-top: 1px solid var(--ink); }
.about-value h3 { font-size: 1.35rem; }
.about-value p { margin-top: 12px; color: var(--muted); line-height: 1.65; }
.contact-page { background: var(--soft); color: var(--ink); }
.contact-page .contact-copy p { color: var(--muted); }
.contact-page .contact-points span { color: var(--ink); border-color: var(--line); background: #fff; }
.contact-page .contact-form { border-color: var(--line); background: #fff; }
.contact-page .contact-form label span { color: var(--muted); }
.contact-page .contact-form input,.contact-page .contact-form select,.contact-page .contact-form textarea { color: var(--ink); border-color: var(--line); background: var(--soft); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 0.95rem;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fff;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.88rem;
  font-weight: 650;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover {
  opacity: 1;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
  color: inherit;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: clamp(600px, calc(100svh - 64px), 760px);
  max-height: 820px;
  overflow: hidden;
  color: var(--paper);
  background: var(--graphite);
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background:
    linear-gradient(90deg, rgba(10, 11, 13, 0.28), rgba(10, 11, 13, 0.05)),
    url("../images/hero-product.webp") right center / auto 100% no-repeat;
  transform: scale(1.015);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.36) 42%, rgba(0, 0, 0, 0.06) 78%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.38), rgba(0, 0, 0, 0.02) 34%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(610px, calc(100% - 40px));
  padding: clamp(108px, 15vh, 150px) 0 clamp(52px, 8vh, 86px);
  margin-left: clamp(20px, 7vw, 96px);
}

.eyebrow,
.section-kicker,
.product-type {
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #72e5cb;
}

h1 {
  max-width: 610px;
  margin-top: 16px;
  font-size: clamp(2.8rem, 5.45vw, 5.25rem);
  line-height: 0.98;
  font-weight: 760;
}

.hero-copy {
  max-width: 570px;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.05rem, 1.4vw, 1.24rem);
  line-height: 1.65;
}

.hero-actions,
.contact-points,
.feature-list,
.source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 760;
  white-space: nowrap;
  cursor: pointer;
}

.button-primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 14px 30px rgba(20, 102, 255, 0.28);
}

.button-primary:hover {
  background: #0b56dc;
}

.button-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.metric-strip div {
  min-height: 122px;
  padding: 28px clamp(20px, 3vw, 36px);
  background: #fff;
}

.metric-strip strong {
  display: block;
  font-size: 1rem;
}

.metric-strip span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.section {
  padding: clamp(72px, 9vw, 124px) clamp(20px, 5vw, 72px);
}

.intro {
  background: var(--soft);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}

.intro-copy h2,
.section-heading h2,
.feature-copy h2,
.contact-copy h2 {
  margin-top: 14px;
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.intro-copy p,
.section-heading p,
.feature-copy p,
.contact-copy p {
  margin-top: 24px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.brand-panel {
  position: relative;
}

.brand-panel img {
  width: 100%;
  aspect-ratio: 1.2 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.brand-note {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding: 18px;
  color: #fff;
  background: rgba(16, 18, 23, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}

.brand-note span {
  display: block;
  color: #72e5cb;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-note strong {
  display: block;
  margin-top: 8px;
  font-size: 1rem;
  line-height: 1.35;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
  gap: clamp(28px, 5vw, 72px);
  max-width: 1180px;
  margin: 0 auto 42px;
  align-items: end;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1280px;
  margin: 0 auto;
}

.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(20, 102, 255, 0.28);
  box-shadow: var(--shadow);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1 / 0.92;
  object-fit: contain;
  padding: 22px;
  background: linear-gradient(180deg, #f8fafc, #eef2f6);
}

.product-body {
  padding: 22px;
}

.product-body h3 {
  margin-top: 8px;
  font-size: 1.25rem;
}

.product-body p:last-child {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.62;
  font-size: 0.94rem;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 0;
  background: var(--graphite);
  color: #fff;
}

.feature-copy {
  padding: clamp(72px, 8vw, 120px) clamp(20px, 6vw, 92px);
}

.feature-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.feature-list {
  margin-top: 30px;
}

.feature-list span,
.contact-points span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 720;
}

.feature-list span {
  color: #dffaf5;
  border: 1px solid rgba(114, 229, 203, 0.3);
  background: rgba(114, 229, 203, 0.08);
}

.medical-note {
  padding-top: 24px;
  font-size: 0.92rem;
}

.feature-media img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.lifestyle-section {
  background: #fff;
}

.lifestyle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.lifestyle-item {
  position: relative;
  min-height: 460px;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--graphite);
}

.lifestyle-item img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
  transition: transform 240ms ease;
}

.lifestyle-item:hover img {
  transform: scale(1.03);
}

.lifestyle-item figcaption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.32);
}

.lifestyle-item figcaption strong,
.lifestyle-item figcaption span {
  display: block;
}

.lifestyle-item figcaption strong {
  font-size: 1.45rem;
}

.lifestyle-item figcaption span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.8);
}

.journal {
  background: var(--soft);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.knowledge-card {
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.knowledge-card span {
  color: var(--copper);
  font-weight: 820;
}

.knowledge-card h3 {
  margin-top: 44px;
  font-size: 1.45rem;
}

.knowledge-card p {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.68;
}

.source-row {
  max-width: 1180px;
  margin: 28px auto 0;
  align-items: center;
  color: var(--muted);
  font-size: 0.92rem;
}

.source-row a {
  color: var(--blue);
  font-weight: 720;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.72fr);
  gap: clamp(32px, 6vw, 82px);
  padding: clamp(72px, 9vw, 124px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(90deg, rgba(16, 18, 23, 0.94), rgba(16, 18, 23, 0.82)),
    url("../images/w8ur-watch.webp") 8% 60% / 330px no-repeat;
  color: #fff;
}

.contact-copy,
.contact-form {
  max-width: 620px;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-points {
  margin-top: 30px;
}

.contact-points span {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.contact-form label,
.contact-form span {
  display: block;
}

.contact-form label span {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.86rem;
  font-weight: 720;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.16);
  font: inherit;
}

.contact-form option {
  color: var(--ink);
}

.contact-form textarea {
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.form-status {
  min-height: 22px;
  color: #72e5cb;
  font-weight: 720;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 34px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.7);
  background: #0e1115;
  font-size: 0.9rem;
  line-height: 1.6;
}

.site-footer div,
.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: #fff;
  letter-spacing: 0.12em;
}

.site-footer p {
  max-width: 620px;
}

.reveal {
  opacity: 1;
  transform: none;
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1040px) {
  .metric-strip,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-heading,
  .intro-grid,
  .feature-band,
  .contact,
  .product-detail,
  .article-layout {
    grid-template-columns: 1fr;
  }
  .spec-grid,.feature-grid,.article-grid,.about-values { grid-template-columns: repeat(2,1fr); }
  .article-aside { position: static; padding-left: 0; border-left: 0; }

  .feature-media img {
    min-height: 420px;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 66px;
    padding: 0 18px;
  }
  .page-shell { padding-top: 66px; }

  .menu-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    top: 66px;
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 12px;
  }

  .hero {
    min-height: calc(100svh - 78px);
    max-height: none;
  }

  .hero-bg {
    background-position: 62% center;
    background-size: cover;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.36)),
      linear-gradient(0deg, rgba(0, 0, 0, 0.56), rgba(0, 0, 0, 0.08));
  }

  .hero-content {
    width: calc(100% - 36px);
    margin-left: 18px;
    padding-top: 106px;
    padding-bottom: 50px;
  }

  h1 {
    font-size: clamp(2.55rem, 13.6vw, 3.75rem);
  }

  .hero-copy {
    max-width: 92%;
  }

  .button {
    width: 100%;
  }

  .metric-strip,
  .product-grid,
  .lifestyle-grid,
  .knowledge-grid,
  .contact-form,
  .spec-grid,
  .feature-grid,
  .article-grid,
  .about-values {
    grid-template-columns: 1fr;
  }
  .product-gallery { min-height: 390px; }

  .metric-strip div {
    min-height: auto;
  }

  .brand-note {
    position: static;
    margin-top: 14px;
  }

  .product-card img {
    aspect-ratio: 1 / 0.78;
  }

  .lifestyle-item,
  .lifestyle-item img {
    min-height: 380px;
  }

  .contact {
    background: var(--graphite);
  }

  .site-footer {
    display: block;
  }

  .site-footer p {
    margin-top: 18px;
  }
}

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

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