:root {
  --navy: #102A43;
  --navy-surface: #163B5C;
  --soft-blue: #EAF4FB;
  --accent: #00A8D8;
  --accent-soft: #CFF4FF;
  --line: #D8E6F0;
  --secondary: #F5F7FA;
  --text: #132B3F;
  --muted: #5E7284;
  --white: #FFFFFF;
  --shadow: 0 24px 60px rgba(16, 42, 67, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  color: var(--text);
  font-family: Inter, Avenir, "Avenir Next", "Segoe UI", Arial, sans-serif;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  line-height: 1.6;
}

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

.container {
  width: min(100% - 48px, 1160px);
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 166px;
  min-height: 62px;
  margin-left: max(24px, calc((100vw - 1160px) / 2));
}

.briefing-section {
  min-height: calc(100vh - 63px);
  padding: clamp(20px, 2.8vw, 34px) 0 clamp(28px, 4vw, 48px);
  background: linear-gradient(to bottom, var(--secondary), var(--white));
}

.section-kicker {
  margin: 0;
  color: var(--accent-soft);
  font-family: "Roboto Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 360px;
  margin: 14px 0 0;
  color: var(--white);
  font-size: clamp(2.7rem, 5vw, 5.1rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 360px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.98rem;
}

.briefing-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.35fr) minmax(0, 0.65fr);
  gap: clamp(28px, 4vw, 54px);
  align-items: start;
}

.briefing-intro {
  min-height: 100%;
  padding: clamp(28px, 4vw, 46px);
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
}

.reassurance-lines {
  display: grid;
  gap: 8px;
  margin-top: clamp(32px, 7vh, 72px);
  padding-top: 24px;
  border-top: 1px solid rgba(207, 244, 255, 0.22);
}

.reassurance-lines p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
  font-weight: 700;
}

.briefing-form {
  width: 100%;
  padding: clamp(18px, 2.7vw, 29px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
}

.field {
  display: grid;
  gap: 5px;
}

.field-wide {
  grid-column: 1 / -1;
}

label {
  color: var(--navy);
  font-size: 0.86rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--text);
  font: inherit;
  padding: 8px 11px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 168, 216, 0.14);
}

.consent-label {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
}

.consent-label input {
  min-height: 20px;
  margin: 3px 0 0;
}

.field-error {
  min-height: 1.1em;
  margin: 0;
  color: #A33A3A;
  font-size: 0.78rem;
}

.form-status {
  min-height: 1em;
  margin-bottom: 10px;
  color: var(--navy);
  font-weight: 700;
  font-size: 0.9rem;
}

.form-status.is-error {
  color: #A33A3A;
}

.form-status.is-success {
  color: #196B4F;
}

.submit-button {
  width: 100%;
  min-height: 44px;
  align-self: start;
  border: 0;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 11px 24px;
  transition: background 160ms ease, transform 160ms ease;
}

.submit-button:hover,
.submit-button:focus-visible {
  background: var(--navy-surface);
  transform: translateY(-1px);
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
}

.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 32px, 1160px);
  }

  .brand {
    width: 142px;
    min-height: 58px;
    margin-left: 16px;
  }

  .briefing-section {
    padding: 22px 0 48px;
  }

  .briefing-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .briefing-intro {
    padding: 24px;
  }

  h1,
  .hero-copy {
    max-width: none;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .reassurance-lines {
    margin-top: 28px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  input,
  select,
  textarea,
  .submit-button {
    transition: none;
  }
}