:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f6f7f4;
  --surface-strong: #eef1eb;
  --text: #111514;
  --muted: #5f6964;
  --border: rgba(17, 21, 20, 0.1);
  --border-strong: rgba(17, 21, 20, 0.16);
  --accent: #1f6d4e;
  --accent-dark: #164f39;
  --shadow: 0 18px 50px rgba(17, 21, 20, 0.08);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --content: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(31, 109, 78, 0.08), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #fbfcfa 100%);
  color: var(--text);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.page-shell {
  width: 100%;
  margin: 0;
  padding: 24px clamp(24px, 4vw, 64px) 40px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 8px 0 28px;
}

.brand {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.hero {
  position: relative;
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 28px 0 36px;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: block;
}

.hero-copy {
  width: min(100%, 760px);
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 4.8vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.07em;
  max-width: 13ch;
}

.intro {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 1.08rem;
  color: var(--muted);
}

.search-card {
  margin-top: 30px;
  width: min(100%, 760px);
}

.compare-section {
  width: min(100%, var(--content));
  margin: 24px auto 0;
}

.search-input-wrap {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 16px 16px 18px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 30px rgba(17, 21, 20, 0.05);
}

.search-input-wrap:focus-within {
  border-color: rgba(31, 109, 78, 0.4);
  box-shadow: 0 0 0 6px rgba(31, 109, 78, 0.08), 0 12px 30px rgba(17, 21, 20, 0.05);
}

.search-icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex: none;
}

.search-input-wrap input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1.02rem;
}

.search-input-wrap input::placeholder {
  color: #7c8681;
}

.search-input-wrap button {
  border: 0;
  border-radius: 999px;
  padding: 0.95rem 1.45rem;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  color: #fff;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
  box-shadow: 0 10px 24px rgba(31, 109, 78, 0.22);
  white-space: nowrap;
}

.search-input-wrap button:hover,
.search-input-wrap button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(31, 109, 78, 0.26);
}

.search-hint {
  margin: 14px 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.compare-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(242, 245, 240, 0.93)),
    linear-gradient(135deg, rgba(31, 109, 78, 0.06), transparent 65%);
  box-shadow: none;
}

.compare-card h2 {
  margin: 8px 0 16px;
  font-size: 1.1rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.compare-label {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.price-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "retailer retailer"
    "price button";
  align-items: center;
  gap: 6px 8px;
  padding: 12px 12px 11px;
  border-radius: 14px;
  border: 1px solid rgba(17, 21, 20, 0.08);
  background: var(--surface);
  min-height: 0;
}

.price-card strong {
  grid-area: retailer;
  min-width: 0;
  font-size: 0.76rem;
  letter-spacing: -0.03em;
  opacity: 0.82;
  white-space: nowrap;
}

.price-card span {
  grid-area: price;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
}

.price-card button {
  grid-area: button;
  border: 0;
  border-radius: 999px;
  padding: 0.38rem 0.68rem;
  background: rgba(17, 21, 20, 0.08);
  color: currentColor;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
}

.price-card.is-cheapest button {
  background: rgba(13, 75, 49, 0.14);
}

.price-card.is-middle button {
  background: rgba(96, 69, 16, 0.14);
}

.price-card.is-expensive button {
  background: rgba(109, 47, 37, 0.14);
}

.price-card.is-cheapest {
  background: linear-gradient(180deg, #e9f6ef, #d9efe2);
  border-color: rgba(31, 109, 78, 0.22);
  color: #0d4b31;
}

.price-card.is-middle {
  background: linear-gradient(180deg, #fbf4e9, #f5ead7);
  color: #604510;
}

.price-card.is-expensive {
  background: linear-gradient(180deg, #f8eceb, #f1ddd9);
  color: #6d2f25;
}

.compare-footnote {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.sr-only {
  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) {
  .page-shell {
    padding: 14px 16px 28px;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 18px;
  }

  .hero {
    padding: 22px 0 24px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.25rem, 10vw, 3.7rem);
  }

  .intro {
    font-size: 1.02rem;
  }

  .search-input-wrap {
    border-radius: 24px;
    grid-template-columns: auto 1fr;
  }

  .search-input-wrap input {
    width: 100%;
    grid-column: 2;
    grid-row: 1;
  }

  .search-input-wrap button {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 2px;
  }

  .search-hint {
    margin-top: 12px;
  }

  .compare-section {
    width: 100%;
  }

  .compare-card {
    padding: 24px;
    border-radius: 20px;
  }

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

  .site-header,
  .hero {
    width: 100%;
  }
}

@media (max-width: 540px) {
  .hero {
    padding-left: 18px;
    padding-right: 18px;
  }

  .search-input-wrap {
    padding: 12px;
  }

  .search-input-wrap input {
    font-size: 1rem;
  }

  .price-card {
    padding: 10px 10px 9px;
    border-radius: 12px;
  }
}