:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --ink: #101214;
  --muted: #5f6873;
  --line: #d9dee5;
  --line-soft: #edf0f4;
  --accent: #0f766e;
  --accent-dark: #0a5f59;
  --accent-soft: #e8f5f3;
  --warning: #8a5a00;
  --radius: 10px;
  --shadow: 0 12px 30px rgb(16 18 20 / 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  line-height: 1.45;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
}

.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;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.nav {
  width: min(1160px, calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: inline-grid;
  place-items: center;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
}

.search {
  max-width: 560px;
  width: 100%;
  justify-self: center;
  position: relative;
}

.search input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 46px 0 18px;
  font: inherit;
  background: var(--surface-2);
  color: var(--ink);
}

.search input:focus {
  outline: 3px solid rgb(15 118 110 / 0.18);
  border-color: var(--accent);
}

.search span {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 15px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a {
  text-decoration: none;
}

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

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 14px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.merchant-hero {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 22px;
}

.merchant-panel,
.photo-panel,
.offer-card,
.signup,
.guide,
.faq,
.conversion-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.merchant-panel {
  padding: 26px;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
}

.merchant-badge {
  width: 88px;
  height: 88px;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: #111;
  color: #fff;
  font-size: 34px;
  font-weight: 900;
}

.merchant-copy h1 {
  margin: 0 0 8px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: 0;
}

.merchant-copy p {
  max-width: 760px;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 16px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 13px;
}

.pill.good {
  border-color: rgb(15 118 110 / 0.28);
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.photo-panel {
  min-height: 236px;
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(180deg, rgb(0 0 0 / 0.08), rgb(0 0 0 / 0.62)),
    url("https://images.unsplash.com/photo-1518602164578-cd0074062767?auto=format&fit=crop&w=900&q=80") center/cover;
}

.photo-panel div {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  color: #fff;
}

.photo-panel strong {
  display: block;
  margin-bottom: 4px;
  font-size: 19px;
}

.photo-panel span {
  display: block;
  color: rgb(255 255 255 / 0.78);
  font-size: 13px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: start;
}

.tabs {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  gap: 8px;
  padding: 10px 0 14px;
  margin-bottom: 6px;
  background: var(--bg);
  overflow-x: auto;
}

.tab {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
  font-size: 14px;
}

.tab.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.offer-list {
  display: grid;
  gap: 14px;
}

.offer-card {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 18px;
  padding: 18px;
  align-items: center;
}

.offer-type {
  min-height: 104px;
  border: 1px dashed rgb(15 118 110 / 0.42);
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: grid;
  place-items: center;
  text-align: center;
  font-weight: 900;
  text-transform: uppercase;
}

.offer-type span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-transform: none;
  font-weight: 700;
}

.offer-main h2 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.2;
}

.offer-main p {
  margin: 0 0 12px;
  color: var(--muted);
}

.offer-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.cta {
  display: inline-flex;
  min-width: 138px;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.cta:hover {
  background: var(--accent-dark);
}

.cta:active {
  transform: translateY(1px);
}

.cta.secondary {
  background: var(--ink);
}

.code-button {
  position: relative;
  overflow: hidden;
  background: var(--accent);
}

.code-button::after {
  content: "SAVE20";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 52px;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--accent-dark);
  border: 1px dashed var(--accent);
  border-radius: 0 8px 8px 0;
  font-size: 12px;
}

.side {
  display: grid;
  gap: 16px;
}

.signup,
.guide,
.faq {
  padding: 18px;
}

.signup h2,
.guide h2,
.faq h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.signup p,
.guide p,
.faq p {
  color: var(--muted);
  margin: 0 0 14px;
}

.signup form {
  display: grid;
  gap: 10px;
}

.signup input {
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  font: inherit;
}

.signup input:focus {
  outline: 3px solid rgb(15 118 110 / 0.18);
  border-color: var(--accent);
}

.guide ol {
  padding-left: 20px;
  margin: 0;
  color: var(--muted);
}

.guide li + li {
  margin-top: 10px;
}

.disclosure {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.faq {
  margin-top: 18px;
}

.faq details {
  border-top: 1px solid var(--line-soft);
  padding: 13px 0;
}

.faq details:first-of-type {
  border-top: 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.footer {
  margin-top: 34px;
  padding: 24px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.conversion-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.conversion-panel {
  width: min(680px, 100%);
  padding: 28px;
}

.conversion-panel h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.1;
}

.conversion-panel p {
  color: var(--muted);
}

.conversion-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.notice {
  margin-top: 18px;
  padding: 12px;
  border-radius: 8px;
  background: #fff8e6;
  color: var(--warning);
  font-size: 13px;
}

@media (max-width: 920px) {
  .nav {
    grid-template-columns: 1fr;
    padding: 14px 0;
  }

  .search {
    max-width: none;
    justify-self: stretch;
  }

  .nav-links {
    justify-content: space-between;
  }

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

  .tabs {
    position: static;
  }

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

@media (max-width: 680px) {
  .container,
  .nav {
    width: min(100% - 24px, 1160px);
  }

  .merchant-panel {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .merchant-badge {
    width: 74px;
    height: 74px;
    font-size: 27px;
  }

  .offer-card {
    grid-template-columns: 1fr;
  }

  .offer-type {
    min-height: 72px;
  }

  .cta {
    width: 100%;
  }

  .photo-panel {
    min-height: 190px;
  }
}