:root {
  color-scheme: light;
  --bg: #f7f4ef;
  --ink: #17211d;
  --muted: #5f6a64;
  --line: #ded8cd;
  --panel: #fffdf8;
  --accent: #0f7b68;
  --accent-strong: #0a5c4e;
  --gold: #c98f2a;
  --sky: #b8d7e8;
  --shadow: 0 24px 70px rgba(23, 33, 29, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 6vw;
  border-bottom: 1px solid rgba(222, 216, 205, 0.72);
  background: rgba(247, 244, 239, 0.9);
  backdrop-filter: blur(16px);
}

.brand,
.nav,
.actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  box-shadow: 0 0 0 6px rgba(15, 123, 104, 0.12);
}

.nav {
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

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

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 72px);
  overflow: hidden;
  padding: 12vh 6vw 10vh;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, rgba(247, 244, 239, 0.94), rgba(247, 244, 239, 0.62) 50%, rgba(184, 215, 232, 0.52)),
    radial-gradient(circle at 78% 28%, rgba(15, 123, 104, 0.28), transparent 30%),
    radial-gradient(circle at 65% 72%, rgba(201, 143, 42, 0.24), transparent 28%);
}

.grid-plane {
  position: absolute;
  inset: 16% -10% -20% 38%;
  transform: rotate(-10deg);
  border: 1px solid rgba(23, 33, 29, 0.08);
  background-image:
    linear-gradient(rgba(23, 33, 29, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 33, 29, 0.1) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
}

.signal {
  position: absolute;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(15, 123, 104, 0.24);
  transform: rotate(12deg);
}

.signal-one {
  right: 14%;
  top: 22%;
  background: rgba(255, 253, 248, 0.72);
}

.signal-two {
  right: 30%;
  bottom: 18%;
  width: 220px;
  height: 120px;
  background: rgba(184, 215, 232, 0.5);
}

.signal-three {
  right: 8%;
  bottom: 12%;
  width: 120px;
  height: 220px;
  background: rgba(201, 143, 42, 0.16);
}

.hero-content {
  align-self: center;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3.2rem, 9vw, 7.8rem);
  letter-spacing: 0;
}

h2 {
  max-width: 12ch;
  font-size: clamp(2rem, 5vw, 4.8rem);
  letter-spacing: 0;
}

h3 {
  font-size: 1.2rem;
}

.lead {
  max-width: 640px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 18px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button-primary,
.copy-button {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(15, 123, 104, 0.22);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 253, 248, 0.78);
}

.section {
  padding: 92px 6vw;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.45fr) 1fr;
  gap: 32px;
  margin-bottom: 42px;
}

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

.feature {
  min-height: 240px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.feature-number {
  display: block;
  margin-bottom: 58px;
  color: var(--gold);
  font-weight: 800;
}

.feature p,
.band p,
.contact p {
  color: var(--muted);
}

.band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(260px, 0.5fr);
  gap: 56px;
  padding: 86px 6vw;
  background: #17211d;
  color: #fffdf8;
}

.band-copy p {
  max-width: 620px;
}

.checklist {
  display: grid;
  gap: 12px;
  align-self: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  padding: 14px 16px;
  border: 1px solid rgba(255, 253, 248, 0.14);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.06);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: end;
}

.contact p {
  max-width: 620px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 6vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: calc(100vh - 116px);
    padding-top: 9vh;
  }

  .grid-plane {
    inset: 34% -40% -10% 8%;
  }

  .signal {
    opacity: 0.7;
  }

  h1 {
    max-width: 11ch;
    font-size: clamp(3rem, 17vw, 5.5rem);
  }

  .section-heading,
  .feature-grid,
  .band,
  .contact {
    grid-template-columns: 1fr;
  }

  .feature {
    min-height: auto;
  }

  .feature-number {
    margin-bottom: 36px;
  }

  .copy-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .nav {
    gap: 10px;
    font-size: 0.86rem;
  }

  .button {
    width: 100%;
  }

  .section,
  .band {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .footer {
    flex-direction: column;
  }
}