:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5b6472;
  --line: #d9dee7;
  --paper: #f6f7f9;
  --panel: #ffffff;
  --accent: #101820;
  --accent-soft: #e8edf4;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 64px);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(246, 247, 249, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: inset -5px -5px 0 rgba(255, 255, 255, 0.24);
}

.nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 8vw, 88px) clamp(20px, 5vw, 64px) 32px;
}

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #53606f;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
  letter-spacing: 0;
}

.lede {
  max-width: 620px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  padding: 0 18px;
  font-size: 15px;
  font-weight: 800;
}

.button.primary {
  background: var(--accent);
  color: white;
}

.button.secondary {
  background: transparent;
  color: var(--accent);
}

.pet-stage {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border-radius: 8px;
  background:
    linear-gradient(45deg, #dfe3ea 25%, transparent 25%),
    linear-gradient(-45deg, #dfe3ea 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #dfe3ea 75%),
    linear-gradient(-45deg, transparent 75%, #dfe3ea 75%);
  background-color: #b5bdc9;
  background-position: 0 0, 0 24px, 24px -24px, -24px 0;
  background-size: 48px 48px;
  box-shadow: 0 32px 80px rgba(31, 41, 55, 0.16);
}

.pet-stage video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 28px rgba(17, 24, 39, 0.24));
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.steps article {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 24px;
}

.steps span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
}

.steps p,
.copy-block p,
.privacy p,
.final-cta p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.58;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 6vw, 72px);
  align-items: start;
}

.copy-block {
  max-width: 720px;
}

.privacy {
  background: #edf1f5;
}

.privacy > div {
  max-width: 760px;
}

.final-cta {
  display: grid;
  justify-items: start;
  background: var(--accent);
  color: white;
}

.final-cta p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.76);
}

.final-cta .button.primary {
  border-color: white;
  background: white;
  color: var(--accent);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 64px);
  color: var(--muted);
  font-size: 14px;
}

.notify-form {
  display: flex;
  gap: 12px;
  margin: 24px 0 12px;
  max-width: 520px;
}

.notify-form input[type="email"] {
  flex: 1;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}

.notify-form input[type="email"]:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.notify-form .button {
  white-space: nowrap;
}

.notify-status {
  min-height: 22px;
  margin: 0 0 4px;
  font-size: 14px;
}

.notify-status[data-state="error"] {
  color: #b54215;
}

.notify-status[data-state="success"] {
  color: #2a7d3e;
}

.notify-status[data-state="pending"] {
  color: var(--muted);
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .pet-stage {
    min-height: 420px;
  }

  .notify-form {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
  }

  h1 {
    font-size: 44px;
  }

  .lede {
    font-size: 18px;
  }

  .button {
    width: 100%;
  }

  .pet-stage {
    min-height: 330px;
  }

  .steps article {
    min-height: auto;
  }

  .footer {
    flex-direction: column;
  }
}