:root {
  --bg: #f3f2f2;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --text: #124b6b;
  --muted: #557181;
  --line: rgba(18, 75, 107, 0.1);
  --line-strong: rgba(18, 75, 107, 0.18);
  --navy: #124b6b;
  --navy-soft: #0f3e58;
  --sea: #9dd4d4;
  --sea-soft: #c6f7cb;
  --accent: #f3b558;
  --shadow: 0 24px 70px rgba(18, 75, 107, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(157, 212, 212, 0.28), transparent 26%),
    radial-gradient(circle at 85% 10%, rgba(198, 247, 203, 0.34), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 52%, #eef6f4 100%);
}

body[data-device="mobile"] {
  --surface: rgba(255, 255, 255, 0.86);
}

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

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

.page-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 0.9rem;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.35)),
    linear-gradient(135deg, var(--navy), #78c7c7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 10px 25px rgba(18, 75, 107, 0.16);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.brand-copy strong {
  font-size: 1.05rem;
  line-height: 1;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.84rem;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 1.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

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

main {
  padding-bottom: 3rem;
}

section {
  padding: 3rem 0;
}

.hero {
  display: grid;
  gap: 2rem;
  padding-top: 2.5rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
}

h1,
h2 {
  font-family: "Newsreader", serif;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.94;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

h3 {
  font-size: 1.15rem;
}

.lede,
.section-heading p,
.panel-card p,
.signup-sidecopy p,
.status-card p,
.site-footer p,
.site-footer a,
.hero-points,
.detail-list,
.info-card p,
.audience-list,
.form-feedback {
  color: var(--muted);
}

.lede {
  max-width: 62ch;
  margin: 1.4rem 0 0;
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.4rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--navy);
  color: #f4f8fa;
  box-shadow: 0 16px 30px rgba(18, 75, 107, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--navy-soft);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.62);
  color: var(--text);
}

.hero-points,
.detail-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.hero-points li,
.detail-list li {
  position: relative;
  padding-left: 1.35rem;
  line-height: 1.7;
}

.hero-points li::before,
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sea), var(--accent));
}

.mobile-hero-card {
  display: none;
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 16px 34px rgba(18, 75, 107, 0.08);
}

.mobile-hero-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.hero-panel {
  position: relative;
  display: grid;
  gap: 1rem;
}

.panel-glow {
  position: absolute;
  inset: auto 0 1rem auto;
  width: 11rem;
  height: 11rem;
  border-radius: 50%;
  background: rgba(157, 212, 212, 0.4);
  filter: blur(50px);
}

.panel-card,
.signup-card,
.info-card,
.status-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.panel-card {
  padding: 1.6rem;
}

.panel-card-primary {
  min-height: 18rem;
  background:
    linear-gradient(180deg, rgba(18, 75, 107, 0.96), rgba(15, 62, 88, 0.9)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent);
  color: #edf3f4;
}

.panel-card-primary p {
  color: rgba(237, 243, 244, 0.78);
}

.panel-label {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(243, 181, 88, 0.14);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-card-primary h2 {
  max-width: 12ch;
  margin-bottom: 1rem;
}

.hero h1,
.section-heading h2,
.panel-card-primary h2,
.status-card h2 {
  text-wrap: balance;
}

.panel-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  background: rgba(157, 212, 212, 0.14);
}

.panel-card-grid div {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
}

.panel-card-grid span {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.panel-card-grid strong {
  font-size: 1.05rem;
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 1.8rem;
}

.section-heading p {
  margin: 1rem 0 0;
  line-height: 1.75;
}

.signup-layout {
  display: grid;
  gap: 1.25rem;
}

.signup-card {
  padding: 1.5rem;
}

.signup-note {
  margin: 0 0 1rem;
  font-size: 0.84rem;
  color: var(--navy);
  font-weight: 700;
}

.signup-form {
  display: grid;
  gap: 0.8rem;
}

.signup-form input {
  min-height: 3.45rem;
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  font: inherit;
  color: var(--text);
}

.signup-form input:focus {
  outline: 2px solid rgba(157, 212, 212, 0.7);
  outline-offset: 2px;
}

.form-feedback {
  min-height: 1.5rem;
  margin: 0.8rem 0 0;
  line-height: 1.5;
}

.signup-sidecopy {
  padding: 0.5rem 0;
}

.device-kicker {
  margin: 0 0 1.2rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(243, 181, 88, 0.12);
  border-radius: 0 14px 14px 0;
  line-height: 1.65;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.info-card {
  padding: 1.5rem;
}

.info-card p {
  margin: 0.8rem 0 0;
  line-height: 1.7;
}

.audience-list {
  display: grid;
  gap: 0.9rem;
}

.audience-list div {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
  font-weight: 600;
}

.status-card {
  padding: 1.7rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.52)),
    linear-gradient(135deg, rgba(198, 247, 203, 0.4), rgba(157, 212, 212, 0.12));
}

.status-card p:last-child {
  margin-top: 1rem;
  max-width: 44rem;
  line-height: 1.75;
}

.site-footer {
  display: grid;
  gap: 1rem;
  padding: 1.2rem 0 2.4rem;
  border-top: 1px solid var(--line);
}

.site-footer strong {
  display: block;
  margin-bottom: 0.45rem;
}

.site-footer p,
.site-footer a {
  margin: 0;
  line-height: 1.8;
}

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

.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 (min-width: 700px) {
  .site-nav {
    display: inline-flex;
  }

  .hero-actions,
  .signup-form {
    grid-template-columns: auto auto;
    align-items: center;
  }

  .signup-form {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .card-grid,
  .audience-list,
  .site-footer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  section {
    padding: 4rem 0;
  }
}

@media (min-width: 980px) {
  .hero,
  .signup-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.85fr);
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .audience-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: 1.3fr 1fr 1fr;
  }
}

body[data-device="mobile"] .hero-panel {
  display: none;
}

body[data-device="mobile"] .mobile-hero-card {
  display: block;
}

body[data-device="mobile"] .hero {
  padding-top: 1.6rem;
}

body[data-device="mobile"] .hero h1 {
  max-width: 9ch;
}

body[data-device="mobile"] .hero-actions {
  gap: 0.7rem;
}

body[data-device="mobile"] .button {
  width: 100%;
}

body[data-device="mobile"] .newsletter-section {
  padding-top: 2.2rem;
}

body[data-device="mobile"] .signup-card {
  padding: 1.25rem;
}

body[data-device="mobile"] .device-kicker {
  background: rgba(157, 212, 212, 0.16);
  border-left-color: var(--sea);
}

body[data-device="desktop"] .mobile-hero-card {
  display: none;
}