:root {
  --navy: #1a3668;
  --navy-deep: #12284f;
  --red: #a82024;
  --ink: #1c2433;
  --muted: #4a5568;
  --line: rgba(26, 54, 104, 0.18);
  --field: rgba(255, 255, 255, 0.55);
  --paper: #f3f2ef;
  --radius: 10px;
}

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

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

body {
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.paper {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--paper);
  background-image:
    url("assets/paper.jpg"),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-size: 420px 420px, 160px 160px;
  background-position: center;
  background-repeat: repeat;
}

.paper::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 45% at 50% 8%, rgba(255, 255, 255, 0.55), transparent 60%),
    linear-gradient(180deg, rgba(243, 242, 239, 0.15), rgba(243, 242, 239, 0.45));
}

.page {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, 34rem);
  margin: 0 auto;
  padding: clamp(calc(2.5rem - 15px), calc(8vh - 15px), calc(5rem - 15px)) 0 clamp(3rem, 10vh, 6rem);
  display: grid;
  gap: clamp(1.75rem, 4vh, 2.75rem);
  justify-items: center;
  text-align: center;
}

.brand {
  width: 100%;
}

.logo {
  display: block;
  width: min(100%, 20rem);
  height: auto;
  margin: 0 auto;
}

.address {
  color: var(--navy);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.address p {
  margin: 0.15rem 0;
}

.address .org {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.92rem;
  margin-bottom: 0.55rem;
  color: var(--navy-deep);
}

/* ~20% smaller than page column */
.contact {
  width: 80%;
  max-width: 27.2rem;
  margin-inline: auto;
}

.form {
  display: grid;
  gap: 0.75rem;
  text-align: left;
  font-size: 0.92rem;
}

.form label {
  display: grid;
  gap: 0.3rem;
}

.form label span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}

.form input,
.form textarea,
.form button {
  -webkit-appearance: none;
  appearance: none;
}

.form input,
.form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--field);
  backdrop-filter: blur(6px);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  font: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.form textarea {
  resize: vertical;
  min-height: 6.5rem;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(26, 54, 104, 0.12);
}

.form button {
  margin-top: 0.25rem;
  border: 0;
  cursor: pointer;
  background: var(--red);
  color: #fff;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  padding: 0.85rem 1.1rem;
  border-radius: 10px;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 10px 24px rgba(168, 32, 36, 0.18);
}

.form button:hover {
  background: #921c20;
  transform: translateY(-1px);
}

.form button:active {
  transform: translateY(0);
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.flash-slot {
  min-height: 2.75rem;
  margin-top: 0.35rem;
}

.flash {
  margin: 0;
  padding: 0.7rem 0.9rem;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--radius);
  text-align: center;
}

.flash.ok {
  color: var(--navy-deep);
  background: rgba(26, 54, 104, 0.08);
}

.flash.err {
  color: #7a1518;
  background: rgba(168, 32, 36, 0.1);
}

.flash[hidden] {
  display: none !important;
}

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

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0ms);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 520px) {
  .page {
    width: min(100% - 1.5rem, 34rem);
  }

  .logo {
    width: min(100%, 18rem);
  }

  .address {
    font-size: 0.98rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .form button,
  .form input,
  .form textarea {
    transition: none;
  }
}