/* About, Tutoring and Contact pages. Loaded after home.css and uses its colors and fonts. */

:root {
  /* These pages use these names in inline styles. */
  --ink-soft: var(--text);
  --muted: var(--text);
  --measure: 62ch;
  --error: #ff9c9c;
}

/* Current page in the header */
.nav__list a[aria-current="page"] {
  color: var(--white);
  box-shadow: inset 0 -2px 0 var(--blue-light);
}

/* Type */
.display {
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.h3 { font-size: 22px; font-weight: 700; line-height: 1.3; }
.h2 + .lead { margin-top: 12px; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.2rem); max-width: 62ch; }
.small { font-size: 15px; }
main p { margin-bottom: 0; }
.eyebrow { margin-bottom: 8px; }

/* Page heading */
.page-head {
  padding-block: clamp(44px, 6vw, 72px);
  background: linear-gradient(180deg, #082646 0%, var(--navy-900) 100%);
}
.page-head__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(20px, 4vw, 48px);
  align-items: end;
}

.section--tight { padding-block: clamp(44px, 6vw, 72px); }

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 4vw, 48px);
  align-items: end;
  margin-bottom: 32px;
}
.section-head__aside { font-size: 16px; max-width: 48ch; }

/* Label and value rows */
.spec {
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.spec__row {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(0, 2.4fr);
  gap: clamp(12px, 3vw, 32px);
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.spec__row:last-child { border-bottom: 0; }
.spec__key { color: var(--blue-light); font-size: 13px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.spec__val { font-size: 16px; }

/* Instructors */
.people { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.person { padding: clamp(20px, 3vw, 32px); background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.person__portrait { max-width: 180px; margin-bottom: 20px; }
.person__portrait img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: center top; border-radius: 14px; }
.person__role { color: var(--blue-light); font-size: 13px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.person__name { margin-top: 4px; }
.person__cred { margin-top: 2px; color: var(--white); font-size: 15px; font-weight: 700; }
.person__bio { margin-top: 16px; font-size: 16px; }
.person__bio p + p { margin-top: 12px; }

/* Quote */
.pull {
  margin: 0;
  padding-left: 22px;
  border-left: 3px solid var(--blue);
  color: var(--white);
  font-family: var(--heading);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 700;
  line-height: 1.4;
}
.pull__cite { display: block; margin-top: 16px; color: var(--text); font-family: var(--body); font-size: 15px; font-style: normal; font-weight: 600; }

/* Tutoring subjects */
main > .wrap { padding-block: var(--section) 0; }
.detail {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  padding: clamp(20px, 3vw, 32px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.detail + .detail { margin-top: 20px; }
.detail__aside { position: sticky; top: 96px; }
.detail__figure { margin-bottom: 18px; }
.detail__figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 12px; }
.curriculum { margin-top: 24px; border-top: 1px solid var(--line); }
.curriculum li {
  display: grid;
  grid-template-columns: minmax(170px, 0.85fr) minmax(0, 1.6fr);
  gap: clamp(8px, 2vw, 28px);
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15.5px;
}
.curriculum li:last-child { border-bottom: 0; padding-bottom: 0; }
.curriculum strong { color: var(--white); font-weight: 700; }

/* Call to action */
.band { padding-block: var(--section); }
.band__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
  align-items: center;
  width: calc(100% - 2 * var(--gutter));
  max-width: calc(1180px - 2 * var(--gutter));
  padding: clamp(24px, 4vw, 44px);
  border-radius: 20px;
  background: linear-gradient(120deg, #0b2c54, #124b8d);
}
.band p { color: #dbe7f7; }
.btn--light { background: var(--white); color: #0a2342; }
.btn--light:hover { background: #dcebff; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 24px; align-items: start; }
#contact-form { padding: clamp(20px, 3vw, 32px); background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 6px; color: var(--white); font-size: 14px; font-weight: 700; }
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--navy-900);
  color: var(--white);
  font: 500 16px var(--body);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--blue-light); outline-offset: 0; border-color: var(--blue-light); }
.field ::placeholder { color: #9db4d2; opacity: 1; }
.field--invalid input, .field--invalid textarea { border-color: var(--error); }

.contact-grid button.btn { border: 0; background: var(--blue); color: var(--white); font-family: var(--body); cursor: pointer; }
.contact-grid button.btn:hover { background: #0f6ce0; }
.contact-grid button.btn:disabled { opacity: 0.65; cursor: default; }
.form-note { margin-top: 12px; font-size: 14px; }
.form-status { margin-top: 16px; padding: 12px 14px; border-left: 3px solid var(--blue-light); border-radius: 6px; background: var(--card-soft); color: var(--white); font-size: 15px; }
.form-status[hidden] { display: none; }
.form-status--error { border-left-color: var(--error); }

.detail-list { overflow: hidden; background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.detail-list > div { padding: 16px 22px; border-bottom: 1px solid var(--line); }
.detail-list > div:last-child { border-bottom: 0; }
.detail-list dt { color: var(--blue-light); font-size: 13px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.detail-list dd { color: var(--white); font-size: 17px; font-weight: 600; overflow-wrap: anywhere; }

/* Footer */
.site-footer { padding-block: 44px 24px; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(24px, 4vw, 48px); padding-bottom: 28px; }
.site-footer h4 { margin: 0 0 12px; color: var(--white); font-size: 14px; }
.site-footer li { margin-bottom: 8px; }
.site-footer p { margin: 0; }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

@media (max-width: 960px) {
  .page-head__grid, .split, .section-head, .people, .detail, .band__grid, .contact-grid { grid-template-columns: 1fr; }
  .detail__aside { position: static; }
  .detail__figure { max-width: 480px; }
}

@media (max-width: 640px) {
  .spec__row, .curriculum li, .field-row, .site-footer__grid { grid-template-columns: 1fr; }
  .spec__row { gap: 2px; }
  .curriculum li { gap: 2px; }
  .field-row { gap: 0; }
  .band .btn, .contact-grid button.btn { width: 100%; }
}