:root {
  --ink: #0c0d11;
  --white: #fff;
  --soft-white: rgba(255, 255, 255, 0.86);
  --line: rgba(255, 255, 255, 0.62);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.stage {
  position: relative;
  width: 100vw;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  border-radius: 0;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  padding: 31px 37px 35px;
  box-shadow: 0 1px 0 rgba(9, 12, 16, 0.08);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("./islands-bg-optimized.jpg");
  background-size: cover;
  background-position: 50% 43%;
  filter: saturate(1.02) contrast(1.01);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03), transparent 42%, rgba(0, 8, 18, 0.11) 66%, rgba(0, 8, 18, 0.48) 100%),
    radial-gradient(circle at 72% 17%, rgba(255, 230, 180, 0.12), transparent 34%);
  pointer-events: none;
}

.site-header,
.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.site-header {
  font-size: 13px;
  line-height: 1;
  transform: translateY(-7px);
}

.site-header p,
.site-footer p,
.signup p,
.intro-copy p {
  margin: 0;
}

.header-mark {
  width: 78px;
  height: auto;
  display: block;
  transform: translateX(-9px);
}

.hero {
  align-self: start;
  justify-self: center;
  width: 100%;
  padding-top: clamp(22px, calc(8.6svh - 50px), 44px);
  text-align: center;
}

.hero-wordmark {
  width: min(500px, 60vw);
  height: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.24));
}

.intro-copy {
  margin-top: 19px;
  font-size: 15px;
  line-height: 1.55;
  color: rgba(0, 0, 0, 0.88);
  text-shadow: 0 1px 18px rgba(255, 255, 255, 0.34);
}

.signup {
  justify-self: center;
  align-self: end;
  width: min(263px, 100%);
  margin-bottom: 69px;
  color: var(--soft-white);
  text-align: center;
  font-size: 14px;
  line-height: 1.2;
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.42);
}

.signup form {
  height: 42px;
  margin-top: 17px;
  padding: 4px;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(5, 17, 30, 0.21);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(14px);
}

.signup input {
  min-width: 0;
  flex: 1;
  height: 100%;
  border: 0;
  outline: 0;
  padding: 0 18px;
  color: var(--white);
  background: transparent;
  font: inherit;
  font-size: 12px;
}

.signup input::placeholder {
  color: rgba(255, 255, 255, 0.75);
}

.signup button {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--white);
  background: rgba(3, 9, 18, 0.78);
  font: inherit;
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease;
}

.signup button:hover,
.signup button:focus-visible {
  transform: translateX(2px);
  background: rgba(3, 9, 18, 0.95);
}

.site-footer {
  color: var(--white);
  font-size: 11px;
  line-height: 1.1;
}

.footer-mark {
  width: 53px;
  height: auto;
  display: block;
  margin-bottom: 21px;
}

.site-footer nav {
  display: flex;
  align-items: center;
  gap: 29px;
}

.site-footer a,
.site-footer p {
  color: rgba(255, 255, 255, 0.9);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--white);
}

.site-footer > p {
  align-self: end;
  margin-bottom: 2px;
}

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

@media (max-width: 700px) {
  body {
    padding: 12px;
  }

  .stage {
    width: calc(100vw - 24px);
    min-height: calc(100svh - 24px);
    border-radius: 26px;
    padding: 24px 26px 29px;
  }

  .hero-bg {
    background-position: 50% 50%;
  }

  .header-mark {
    width: 78px;
  }

  .site-header {
    font-size: 12px;
  }

  .hero {
    padding-top: 13svh;
  }

  .hero-wordmark {
    width: min(440px, 80vw);
  }

  .intro-copy {
    margin-top: 18px;
    font-size: 14px;
  }

  .signup {
    margin-bottom: 46px;
  }

  .site-footer {
    display: grid;
    gap: 18px;
  }

  .footer-mark {
    margin-bottom: 17px;
  }

  .site-footer nav {
    gap: 24px;
  }

  .site-footer > p {
    justify-self: start;
  }
}

@media (max-height: 760px) {
  .hero {
    padding-top: 10svh;
  }

  .signup {
    margin-bottom: 36px;
  }
}