:root {
  color-scheme: light;
  --navy: #071d4f;
  --blue: #0b7cff;
  --blue-2: #0aa7ff;
  --cyan: #21d4c2;
  --ink: #172033;
  --muted: #647086;
  --line: #dce7f5;
  --soft: #f3f8ff;
  --card: #ffffff;
  --danger: #d94343;
  --ok: #12945a;
  --shadow: 0 18px 45px rgba(7, 29, 79, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(33, 212, 194, 0.18), transparent 32rem),
    linear-gradient(180deg, #eaf5ff 0%, #f8fbff 42%, #ffffff 100%);
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 231, 245, 0.9);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: white;
  background: linear-gradient(145deg, var(--blue), var(--cyan));
  box-shadow: 0 10px 24px rgba(11, 124, 255, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-weight: 700;
  font-size: 14px;
}

.hero,
.content {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 28px;
  align-items: center;
  padding: 52px 0 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(11, 124, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--blue);
  font-weight: 800;
  font-size: 13px;
}

h1 {
  margin: 18px 0 12px;
  color: var(--navy);
  font-size: clamp(38px, 7vw, 74px);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.45;
  margin: 0;
}

.hero-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  padding: 24px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: #e9fff8;
  color: var(--ok);
  font-weight: 900;
}

.hero-card p {
  color: var(--muted);
  line-height: 1.55;
}

.content {
  padding: 18px 0 72px;
}

.section {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  box-shadow: 0 10px 30px rgba(7, 29, 79, 0.07);
  padding: clamp(22px, 4vw, 36px);
}

.section h2 {
  color: var(--navy);
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.05;
  margin: 0 0 14px;
}

.section h3 {
  color: var(--navy);
  font-size: 20px;
  margin: 26px 0 8px;
}

.section p,
.section li {
  color: #344054;
  font-size: 16px;
  line-height: 1.65;
}

.section ul {
  padding-left: 22px;
}

.notice {
  border: 1px solid #bfe8ff;
  border-radius: 18px;
  background: var(--soft);
  padding: 18px;
  color: #25415f;
}

.danger {
  border-color: rgba(217, 67, 67, 0.3);
  background: #fff4f4;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.mini-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fbfdff;
  padding: 18px;
}

.form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

label {
  color: var(--navy);
  font-weight: 800;
}

input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: white;
}

input:focus {
  outline: 3px solid rgba(11, 124, 255, 0.18);
  border-color: var(--blue);
}

button,
.button {
  min-height: 52px;
  border: 0;
  border-radius: 15px;
  padding: 13px 18px;
  font: inherit;
  font-weight: 900;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(11, 124, 255, 0.24);
}

button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.result {
  display: none;
  border-radius: 14px;
  padding: 14px;
  font-weight: 750;
}

.result.show {
  display: block;
}

.result.ok {
  color: #0b6f45;
  background: #eafff4;
  border: 1px solid #b9efd6;
}

.result.err {
  color: #9f2b2b;
  background: #fff1f1;
  border: 1px solid #f1c0c0;
}

.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 34px;
  }

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