:root {
  --navy: #072441;
  --navy-deep: #041526;
  --red: #dd171f;
  --red-dark: #ac0e14;
  --green: #17843d;
  --ink: #172538;
  --muted: #5f6b79;
  --line: #dfe5eb;
  --white: #ffffff;
  --off-white: #f7f8fa;
  --max-width: 1440px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--off-white);
  color: var(--ink);
  font-family: "Segoe UI", Inter, Arial, sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

.site-header {
  height: 92px;
  background: var(--white);
  border-bottom: 1px solid #edf0f3;
}

.header-inner {
  width: min(var(--max-width), calc(100% - 72px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.logo img {
  display: block;
  width: auto;
  height: 68px;
  object-fit: contain;
}

.navigation {
  display: flex;
  align-items: center;
  gap: 38px;
  font-size: 15px;
  font-weight: 700;
}

.navigation a {
  text-decoration: none;
}

.navigation a:hover,
.navigation a:focus-visible {
  color: var(--red);
}

.download-section {
  min-height: calc(100vh - 202px);
  display: flex;
  align-items: center;
  padding: 74px 24px;
}

.download-card {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: clamp(38px, 6vw, 68px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 52px rgba(7, 36, 65, .10);
}

.download-card h1 {
  margin: 0 0 22px;
  color: var(--navy);
  font-size: clamp(46px, 5vw, 68px);
  line-height: 1.02;
  letter-spacing: -2.6px;
}

.download-card h1 span {
  color: var(--red);
}

.intro {
  margin: 0 0 28px;
  color: #3b4d61;
  font-size: 20px;
  line-height: 1.6;
}

.benefits {
  margin: 0 0 34px;
  padding-left: 22px;
  color: var(--navy);
  font-size: 17px;
  font-weight: 650;
}

.benefits li {
  margin: 10px 0;
}

.benefits li::marker {
  color: var(--red);
}

.form-group {
  margin-top: 26px;
}

label {
  display: block;
  margin-bottom: 9px;
  color: var(--navy);
  font-weight: 750;
}

input {
  width: 100%;
  padding: 17px 18px;
  border: 1px solid #cbd5df;
  border-radius: 9px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 17px;
}

input:focus {
  outline: 3px solid rgba(221, 23, 31, .12);
  border-color: var(--red);
}

.download-button {
  width: 100%;
  margin-top: 18px;
  padding: 18px 26px;
  border: 0;
  border-radius: 9px;
  background: var(--red);
  color: var(--white);
  font-size: 18px;
  font-weight: 850;
  cursor: pointer;
  box-shadow: 0 11px 25px rgba(221, 23, 31, .22);
  transition: transform .18s ease, background .18s ease;
}

.download-button:hover,
.download-button:focus-visible {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.download-button:disabled {
  cursor: wait;
  opacity: .72;
  transform: none;
}

.privacy-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.status-message {
  min-height: 24px;
  margin-top: 16px;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.site-footer {
  min-height: 110px;
  background: var(--navy-deep);
  color: #d9e1e9;
}

.footer-inner {
  width: min(var(--max-width), calc(100% - 72px));
  min-height: 110px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-logo img {
  display: block;
  width: auto;
  height: 52px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.footer-links {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  font-size: 13px;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--white);
}

.copyright {
  color: #aeb9c4;
  font-size: 12px;
}

@media (max-width: 700px) {
  .site-header {
    height: auto;
  }

  .header-inner {
    width: min(100% - 30px, var(--max-width));
    padding: 15px 0;
    align-items: flex-start;
  }

  .logo img { height: 54px; }

  .navigation {
    gap: 14px;
    padding-top: 10px;
    font-size: 13px;
  }

  .download-section {
    padding: 42px 15px;
  }

  .footer-inner {
    width: min(100% - 30px, var(--max-width));
    padding: 27px 0;
    flex-direction: column;
    align-items: flex-start;
  }
}