:root {
  --deep: #053f44;
  --teal: #04777a;
  --aqua: #12b8b2;
  --mint: #e6f7f2;
  --cream: #f8fbf7;
  --ink: #102426;
  --muted: #5c6f70;
  --line: rgba(5, 63, 68, 0.16);
  --shadow: 0 24px 70px rgba(5, 63, 68, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(248, 251, 247, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
}

.brand-text {
  color: var(--deep);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.nav {
  display: flex;
  gap: clamp(14px, 2.6vw, 32px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 560px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(56px, 9vw, 128px) clamp(18px, 4vw, 56px) clamp(44px, 7vw, 92px);
  overflow: hidden;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--deep);
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  color: var(--deep);
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--deep);
  font-size: 21px;
  line-height: 1.18;
}

.lead {
  max-width: 680px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.45;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 12px 18px;
  font-weight: 800;
}

.button.primary {
  background: var(--deep);
  color: #fff;
}

.button.secondary {
  border: 1px solid var(--line);
  color: var(--deep);
  background: #fff;
}

.hero-media {
  position: relative;
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.section {
  padding: clamp(44px, 7vw, 96px) clamp(18px, 4vw, 56px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(26px, 5vw, 74px);
  align-items: start;
}

.copy-stack p,
.product-copy p,
.notice p {
  color: var(--muted);
  font-size: 18px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0 clamp(18px, 4vw, 56px);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.card {
  min-height: 260px;
  padding: clamp(22px, 3vw, 34px);
  background: #fff;
}

.card-number {
  display: inline-block;
  margin-bottom: 44px;
  color: var(--aqua);
  font-weight: 900;
  letter-spacing: 0.12em;
}

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

.product-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 620px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  margin-top: clamp(40px, 6vw, 80px);
  background: linear-gradient(135deg, var(--deep), #0a7073 60%, #12aaa6);
  color: #fff;
}

.product-band h2,
.product-band .eyebrow {
  color: #fff;
}

.product-copy p {
  color: rgba(255, 255, 255, 0.82);
}

.sticker-frame {
  margin: 0;
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.26);
}

.sticker-frame img {
  width: 100%;
  border-radius: 6px;
}

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

.data-list div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.data-list strong {
  color: var(--deep);
}

.data-list span {
  color: var(--muted);
}

.notice {
  margin: clamp(34px, 6vw, 80px) clamp(18px, 4vw, 56px);
  padding: clamp(28px, 5vw, 56px);
  border-radius: 8px;
  background: var(--mint);
}

.notice h2 {
  margin-bottom: 16px;
}

.footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.76);
  background: var(--deep);
}

.footer-title {
  margin-bottom: 4px;
  color: #fff;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer a:hover {
  color: #fff;
}

.bag-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background: linear-gradient(135deg, var(--deep), var(--teal));
}

.bag-panel {
  width: min(100%, 620px);
  padding: clamp(24px, 5vw, 44px);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow);
}

.bag-id {
  display: inline-flex;
  margin: 12px 0 24px;
  padding: 10px 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--deep);
  font-size: clamp(22px, 6vw, 40px);
  font-weight: 900;
  letter-spacing: 0.03em;
}

.bag-actions {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.bag-actions a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--deep);
  font-weight: 800;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .split,
  .product-band {
    grid-template-columns: 1fr;
  }

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

  .card {
    min-height: 210px;
  }

  .data-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .footer {
    flex-direction: column;
  }
}