/* Newsletter signup — used on /insights/ index, every article, and main site footer */

.sub {
  margin: 48px 0 0;
  padding: 20px 24px;
  background: var(--linen-100);
  border: 1px solid var(--border-warm, var(--ink-200));
  border-radius: 10px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 11px;
  position: relative;
  overflow: hidden;
}
.sub-eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-700);
  margin: 0;
}
.sub-title {
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  font-weight: 500;
  margin: 0;
  text-wrap: balance;
}
.sub-deck {
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-700);
  margin: 0;
  max-width: 60ch;
}

.sub-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 4px;
}
.sub-form input[type="email"] {
  flex: 1 1 260px;
  min-width: 0;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink-900);
  background: var(--ink-0);
  border: 1px solid var(--ink-300);
  border-radius: 7px;
  outline: none;
  transition: border-color 120ms, box-shadow 120ms;
}
.sub-form input[type="email"]::placeholder { color: var(--ink-400); }
.sub-form input[type="email"]:focus {
  border-color: var(--blue-700);
  box-shadow: 0 0 0 3px rgba(32, 79, 123, 0.12);
}
.sub-form button {
  padding: 14px 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-0);
  background: var(--blue-700);
  border: 0;
  border-radius: 7px;
  cursor: pointer;
  transition: background 120ms, transform 80ms;
}
.sub-form button:hover { background: var(--blue-800); }
.sub-form button:active { transform: translateY(1px); }
.sub-form button[disabled] { opacity: 0.6; cursor: progress; }

.sub-fine {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--ink-500);
  margin: 0;
  line-height: 1.5;
}

.sub-msg {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  margin: 4px 0 0;
  display: none;
}
.sub.is-ok .sub-form,
.sub.is-ok .sub-fine { display: none; }
.sub.is-ok .sub-msg.ok { display: block; color: var(--blue-700); }
.sub.is-err .sub-msg.err { display: block; color: #b04141; }

.sub-msg.ok::before {
  content: "✓ ";
  font-weight: 700;
}

/* GDPR consent checkbox */
.sub-consent {
  order: 3;
  flex: 1 1 100%;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-700);
  cursor: pointer;
  margin: -2px 0 2px;
  user-select: none;
  transition: color 160ms;
}
.sub-consent input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--blue-700);
  cursor: pointer;
}
.sub-consent.is-error { color: #b04141; }
.sub-consent.is-error input[type="checkbox"] { outline: 2px solid #b04141; outline-offset: 2px; }
.sub.dark .sub-consent { color: var(--linen-300); }
.sub.dark .sub-consent input[type="checkbox"] { accent-color: var(--linen-50); }

/* Compact variant — for footers / sidebars */
.sub.compact {
  padding: 24px 24px 22px;
  gap: 12px;
  margin: 0;
}
.sub.compact .sub-title { font-size: 20px; }
.sub.compact .sub-deck { font-size: 14px; }
.sub.compact .sub-form input[type="email"] { padding: 12px 14px; font-size: 14px; }
.sub.compact .sub-form button { padding: 12px 18px; font-size: 13px; }

/* Dark variant — for the main site dark footer */
.sub.dark {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--linen-50);
}
.sub.dark .sub-eyebrow { color: var(--linen-300); }
.sub.dark .sub-title { color: var(--linen-50); }
.sub.dark .sub-deck { color: var(--linen-300); }
.sub.dark .sub-fine { color: var(--linen-400); }
.sub.dark .sub-form input[type="email"] {
  background: rgba(0, 0, 0, 0.18);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--linen-50);
}
.sub.dark .sub-form input[type="email"]::placeholder { color: var(--linen-400); }
.sub.dark .sub-form input[type="email"]:focus {
  border-color: var(--linen-50);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}
.sub.dark .sub-form button {
  background: var(--linen-50);
  color: var(--blue-900);
}
.sub.dark .sub-form button:hover { background: var(--ink-0); }
.sub.dark.is-ok .sub-msg.ok { color: var(--linen-50); }

/* Two-column compact band on wider viewports: text left, form right */
@media (min-width: 720px) {
  .sub {
    grid-template-columns: minmax(0, 1fr) minmax(290px, 340px);
    column-gap: 40px;
    row-gap: 4px;
    align-items: center;
    padding: 18px 36px;
  }
  .sub-eyebrow { grid-column: 1; grid-row: 1; }
  .sub-title   { grid-column: 1; grid-row: 2; }
  .sub-deck    { grid-column: 1; grid-row: 3; }
  .sub-form    { grid-column: 2; grid-row: 1 / 4; flex-direction: column;
                 align-items: stretch; align-content: center; gap: 10px; margin: 0; }
  .sub-form button { align-self: flex-start; }
  .sub-form input[type="email"] { flex: 0 0 auto; width: 100%; }
  .sub-fine    { grid-column: 2; grid-row: 4; margin-top: 2px; }
  .sub-msg     { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .sub { padding: 22px 22px; }
  .sub-title { font-size: 18px; }
  .sub-form { flex-direction: column; }
  .sub-form input[type="email"] { flex: 0 0 auto; width: 100%; }
  .sub-form button { width: 100%; }
}


/* Inside article body (.post) the article's generic h3/p rules outrank the
   .sub-* classes; re-assert the block's own compact type. */
.post .sub-eyebrow, .post .sub-deck, .post .sub-msg { margin: 0; }
.post .sub-eyebrow { font-size: 11px; line-height: 1.4; }
.post .sub-title { margin: 0; font-size: 19px; line-height: 1.25; font-weight: 500; }
.post .sub-deck { font-size: 13.5px; line-height: 1.5; color: var(--ink-700); }
.post .sub-msg { font-size: 14px; }