:root {
  --bg: #060606;
  --surface: #0d0d0d;
  --surface-raised: #121212;
  --text: #f5f5f2;
  --muted: #929292;
  --faint: #686868;
  --line: #262626;
  --line-strong: #383838;
  --accent: #d4ff5f;
  --max-width: 1180px;
  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: .22;
  background-image: radial-gradient(#fff 0.45px, transparent 0.45px);
  background-size: 5px 5px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.container { width: min(calc(100% - 48px), var(--max-width)); margin: 0 auto; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 10; padding: 10px 14px; background: var(--accent); color: #050505; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 5; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(6,6,6,.86); backdrop-filter: blur(18px); }
.navbar { display: flex; min-height: 76px; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 15px; font-weight: 700; letter-spacing: .15em; }
.brand-logo { display: block; width: 25px; height: 25px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 32px; color: var(--muted); font-size: 13px; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover, .nav-links a:focus-visible, .nav-links a[aria-current="page"] { color: var(--text); }
.menu-toggle { display: none; border: 0; padding: 8px; color: var(--text); background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 21px; height: 1px; margin: 5px 0; background: currentColor; transition: transform .2s ease; }

main { overflow: hidden; }
.hero { position: relative; min-height: min(690px, calc(100vh - 76px)); display: flex; align-items: center; padding: 100px 0 120px; }
.hero::after { position: absolute; right: -180px; top: 80px; width: 470px; height: 470px; border: 1px solid rgba(212,255,95,.2); border-radius: 50%; content: ""; box-shadow: 0 0 0 52px rgba(212,255,95,.025), 0 0 0 104px rgba(212,255,95,.018); }
.eyebrow { margin: 0 0 28px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.hero h1, .page-heading h1 { max-width: 810px; margin: 0; font-size: clamp(52px, 8vw, 104px); font-weight: 500; letter-spacing: -.065em; line-height: .94; }
.hero h1 em { color: var(--muted); font-style: normal; }
.hero-copy { max-width: 500px; margin: 34px 0 0; color: var(--muted); font-size: 18px; line-height: 1.6; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; border: 1px solid var(--text); padding: 0 19px; color: var(--bg); background: var(--text); font-size: 13px; font-weight: 700; transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover, .button:focus-visible { border-color: var(--accent); color: var(--bg); background: var(--accent); transform: translateY(-2px); }
.button.secondary { border-color: var(--line-strong); color: var(--text); background: transparent; }
.button.secondary:hover, .button.secondary:focus-visible { border-color: var(--text); color: var(--bg); background: var(--text); }

.section { padding: 120px 0; border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.section-label { margin: 4px 0 0; color: var(--faint); font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.section h2 { max-width: 650px; margin: 0; font-size: clamp(32px, 5vw, 62px); font-weight: 500; letter-spacing: -.055em; line-height: 1.02; }
.section p { color: var(--muted); font-size: 17px; line-height: 1.65; }
.section p:first-of-type { margin-top: 28px; }
.section p + p { margin-top: 18px; }
.product-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.product-symbol { display: grid; aspect-ratio: 1 / 1; max-width: 420px; place-items: center; border: 1px solid var(--line); background: linear-gradient(140deg, #111 0%, #090909 65%); }
.product-logo { display: block; width: 74%; height: 74%; object-fit: contain; }
.product-symbol span { display: grid; width: 128px; height: 128px; place-items: center; border: 1px solid var(--accent); color: var(--accent); font-size: 46px; font-weight: 700; letter-spacing: -.08em; }
.product-symbol-petplus { background: #f5f5f2; }
.product-details h2 { margin-bottom: 24px; }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 32px 0; border-top: 1px solid var(--line); }
.feature-list div { padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.feature-list div:nth-child(odd) { margin-right: 18px; }
.cta { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.cta h2 { max-width: 580px; }
.email-link { color: var(--accent); font-size: 16px; font-weight: 500; border-bottom: 1px solid transparent; transition: border-color .2s ease; }
.email-link:hover, .email-link:focus-visible { border-color: var(--accent); }

.page-heading { padding: 120px 0 105px; border-bottom: 1px solid var(--line); }
.page-heading h1 { max-width: 900px; font-size: clamp(48px, 8vw, 94px); }
.page-heading p { max-width: 510px; margin: 32px 0 0; color: var(--muted); font-size: 18px; line-height: 1.6; }
.approach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 62px; }
.approach-card { min-height: 260px; padding: 26px; border: 1px solid var(--line); background: rgba(13,13,13,.7); transition: border-color .2s ease, transform .2s ease; }
.approach-card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.approach-number { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .15em; }
.approach-card h3 { margin: 62px 0 14px; font-size: 24px; font-weight: 500; letter-spacing: -.03em; }
.approach-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.product-card { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; padding: 48px; border: 1px solid var(--line); background: var(--surface); }
.product-card .product-symbol { width: 100%; max-width: none; }
.product-card h2 { margin: 0 0 20px; font-size: clamp(32px, 5vw, 58px); font-weight: 500; letter-spacing: -.05em; }
.product-card p { max-width: 500px; }
.info-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; padding: 90px 0 120px; }
.info-layout h2 { margin: 0; font-size: 18px; font-weight: 500; }
.info-details { border-top: 1px solid var(--line); }
.info-row { display: grid; grid-template-columns: 160px 1fr; gap: 30px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.info-row span:first-child { color: var(--faint); font-size: 12px; text-transform: uppercase; letter-spacing: .14em; }
.info-row span:last-child { color: var(--muted); line-height: 1.5; }

.site-footer { padding: 54px 0 28px; border-top: 1px solid var(--line); }
.footer-main { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 75px; }
.footer-description { margin: 17px 0 0; color: var(--muted); font-size: 13px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; color: var(--muted); font-size: 13px; }
.footer-nav a:hover, .footer-nav a:focus-visible { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 19px; border-top: 1px solid var(--line); color: var(--faint); font-size: 11px; }

@media (max-width: 760px) {
  .container { width: min(calc(100% - 36px), var(--max-width)); }
  .navbar { min-height: 68px; }
  .menu-toggle { display: block; }
  .nav-links { position: absolute; top: 68px; right: 18px; left: 18px; display: none; flex-direction: column; align-items: stretch; gap: 0; border: 1px solid var(--line); padding: 8px; background: #0b0b0b; }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 15px 12px; border-bottom: 1px solid var(--line); }
  .nav-links a:last-child { border-bottom: 0; }
  .hero { min-height: auto; padding: 94px 0 115px; }
  .hero::after { right: -270px; top: 180px; width: 420px; height: 420px; }
  .hero h1, .page-heading h1 { font-size: clamp(48px, 15vw, 76px); }
  .hero-copy { font-size: 16px; }
  .section { padding: 82px 0; }
  .section-intro, .product-feature, .product-card, .info-layout { grid-template-columns: 1fr; gap: 38px; }
  .section h2 { font-size: 39px; }
  .product-symbol { max-width: none; }
  .cta { display: block; }
  .cta .actions { margin-top: 28px; }
  .page-heading { padding: 88px 0 70px; }
  .page-heading p { font-size: 16px; }
  .approach-grid { grid-template-columns: 1fr; margin-top: 42px; }
  .approach-card { min-height: auto; }
  .approach-card h3 { margin-top: 42px; }
  .product-card { padding: 20px; }
  .info-layout { padding: 65px 0 82px; }
  .info-row { grid-template-columns: 1fr; gap: 9px; }
  .footer-main, .footer-bottom { display: block; }
  .footer-nav { margin-top: 36px; gap: 15px 20px; }
  .footer-bottom { line-height: 1.6; }
  .footer-bottom span + span { display: block; margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}