/* Shared light shell for touch2sign.info subpages (matches homepage branding) */
:root {
  --ink: #101a35;
  --muted: #66708a;
  --blue: #4b5cff;
  --deep: #17154a;
  --lime: #b9f66a;
  --ice: #f1f4ff;
  --line: #dde2f0;
  --navy: #101a35;
  --navy-light: #17154a;
  --sky: #4b5cff;
  --shadow: 0 16px 40px rgba(28, 35, 71, 0.06);
}

.site-nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  margin: 0 calc(50% - 50vw);
  padding: 0 max(20px, calc(50vw - 480px));
}
.site-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  background: transparent;
  border-radius: 0;
  padding: 0;
}
.site-nav .mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: block;
  object-fit: contain;
}
.site-nav .wordmark {
  height: 26px;
  width: auto;
  display: block;
}
.site-nav .nav-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #525d78;
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 6px 12px;
}
.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 8px 16px;
  flex-wrap: wrap;
  font-size: 0.875rem;
}
.site-nav .nav-links a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}
.site-nav .nav-links a:hover,
.site-nav .nav-links a.is-active {
  color: var(--ink);
}

/* Modal */
.t2s-modal[hidden] { display: none !important; }
.t2s-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.t2s-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 26, 53, 0.55);
  backdrop-filter: blur(4px);
}
.t2s-modal__panel {
  position: relative;
  width: min(520px, 100%);
  max-height: min(90vh, 720px);
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(23, 21, 74, 0.28);
  padding: 28px;
}
.t2s-modal__panel h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.t2s-modal__panel .lead {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.95rem;
}
.t2s-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  border: 0;
  background: #f1f4ff;
  color: var(--ink);
  width: 36px;
  height: 36px;
  border-radius: 99px;
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}
.t2s-form-grid { display: grid; gap: 12px; }
@media (min-width: 560px) {
  .t2s-form-grid.two { grid-template-columns: 1fr 1fr; }
}
.t2s-modal label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.t2s-modal input,
.t2s-modal textarea,
.t2s-modal select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  box-sizing: border-box;
}
.t2s-modal textarea { min-height: 110px; resize: vertical; }
.t2s-modal .actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.t2s-modal .form-msg { margin: 12px 0 0; font-size: 0.9rem; }
.t2s-modal .form-msg.ok { color: #2d5a27; }
.t2s-modal .form-msg.err { color: #8a3b32; }
.t2s-modal .hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.btn {
  border: 0;
  border-radius: 99px;
  padding: 12px 18px;
  font-weight: 750;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  text-decoration: none !important;
  font-family: inherit;
  font-size: 0.9375rem;
}
.btn-primary {
  background: var(--ink);
  color: #fff !important;
  box-shadow: 0 8px 24px rgba(16, 26, 53, 0.18);
}
.btn-lime {
  background: var(--lime);
  color: #121a2e !important;
}
.btn-ghost {
  background: #fff;
  color: var(--ink) !important;
  border: 1px solid var(--line);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  margin: 0 0 20px;
  cursor: pointer;
  background: none;
  border: 0;
  font: inherit;
  padding: 0;
}
.back-link:hover { text-decoration: underline; }