:root {
  --blue: #25b9f2;
  --blue-dark: #087fba;
  --ink: #152434;
  --muted: #5d7080;
  --line: #d8edf6;
  --soft: #effaff;
  --white: #ffffff;
  --lime: #b5eb1e;
  --red: #fa3c3c;
  --shadow: 0 18px 42px rgba(6, 68, 105, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, #f6fcff 48%, #ffffff 100%);
}

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

.briefing-page {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 94vh;
  padding: 22px min(5vw, 72px) 28px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.hero::before {
  width: 190px;
  height: 190px;
  left: -44px;
  top: 150px;
  background: var(--blue);
  clip-path: polygon(12% 8%, 88% 0, 100% 56%, 43% 100%, 0 64%);
  opacity: 0.95;
}

.hero::after {
  width: 150px;
  height: 150px;
  right: -34px;
  bottom: 110px;
  background: var(--blue);
  clip-path: polygon(50% 0, 100% 74%, 12% 100%);
  opacity: 0.95;
}

.topbar,
.hero-grid,
.intro-band,
.content-grid,
.welcome {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand img {
  display: block;
  width: 180px;
  height: auto;
}

.topbar span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  color: var(--blue-dark);
  padding: 10px 14px;
  font-size: 0.82rem;
  font-weight: 900;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(420px, 1.15fr);
  gap: 20px;
  align-items: center;
  min-height: calc(94vh - 115px);
}

.hero-copy {
  max-width: 720px;
  padding-top: 34px;
}

.eyebrow,
.intro-band span,
.form-head span,
.warning-label {
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  margin-top: 14px;
  font-size: clamp(2.5rem, 5.7vw, 5.8rem);
  line-height: 0.95;
}

.hero-copy p {
  max-width: 620px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.primary-button,
.fallback-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border-radius: 8px;
  background: var(--blue);
  color: #ffffff;
  padding: 0 20px;
  font-weight: 900;
  box-shadow: 0 12px 26px rgba(37, 185, 242, 0.28);
}

.hero-actions strong {
  max-width: 280px;
  color: var(--blue-dark);
  font-size: 0.94rem;
  line-height: 1.35;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 9% 2% 8% 10%;
  z-index: -1;
  border-radius: 34px;
  background: radial-gradient(circle, rgba(37, 185, 242, 0.17), rgba(37, 185, 242, 0));
}

.hero-visual img {
  display: block;
  width: min(100%, 980px);
  height: auto;
  margin-left: auto;
}

.intro-band {
  width: min(1180px, calc(100% - 32px));
  margin: -22px auto 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  padding: 24px 28px;
}

.intro-band p,
.notice-card p,
.welcome p,
.welcome span {
  color: var(--muted);
  line-height: 1.65;
}

.intro-band p {
  margin-top: 8px;
  font-size: 1.05rem;
}

.intro-band strong {
  color: var(--ink);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(360px, 1.22fr);
  gap: 22px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.notice-card,
.form-card,
.welcome {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.notice-card {
  position: relative;
  align-self: start;
  padding: 30px 26px 26px 88px;
  border-left: 7px solid var(--red);
}

.alert-icon {
  position: absolute;
  left: 26px;
  top: 28px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--red);
  color: #ffffff;
  font-size: 1.7rem;
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(250, 60, 60, 0.26);
}

.notice-card h2,
.form-head h2,
.welcome h2 {
  margin-top: 8px;
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  line-height: 1.08;
}

.notice-card p {
  margin-top: 16px;
}

.form-card {
  padding: 18px;
}

.form-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  padding: 8px 4px 14px;
}

.form-head small {
  border-radius: 999px;
  background: var(--soft);
  color: var(--blue-dark);
  padding: 8px 11px;
  font-weight: 900;
  white-space: nowrap;
}

.form-card iframe {
  display: block;
  min-height: 660px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.fallback-link {
  width: fit-content;
  margin-top: 14px;
}

.welcome {
  width: min(1180px, calc(100% - 32px));
  margin: 24px auto 42px;
  padding: 32px 28px;
  text-align: center;
}

.welcome h2 {
  color: var(--blue-dark);
}

.welcome p {
  margin-top: 8px;
  font-size: 1.22rem;
  font-weight: 900;
}

.welcome span {
  display: block;
  margin-top: 10px;
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

  .hero-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding-top: 34px;
  }

  .hero-visual img {
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 18px 16px 24px;
  }

  .topbar,
  .form-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand img {
    width: 145px;
  }

  h1 {
    font-size: 2.45rem;
  }

  .hero-copy p {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .fallback-link {
    width: 100%;
  }

  .intro-band,
  .notice-card,
  .form-card,
  .welcome {
    padding: 20px;
  }

  .notice-card {
    padding-top: 82px;
  }

  .alert-icon {
    left: 20px;
    top: 20px;
  }

  .form-card iframe {
    min-height: 720px;
  }
}