/* site-extras.css — Login, Thesis article, Team, FAQ */

/* =============== LOGIN =============== */
.login-shell {
  display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh;
  background: var(--paper);
  font-family: var(--font-sans);
}
.login-aside {
  position: relative; overflow: hidden; background: var(--ink-900);
  color: #fff; padding: 48px;
}
.login-aside-photo {
  position: absolute; inset: 0;
  background-image: url("../img/plume-composition.svg");
  background-size: cover; background-position: center;
  opacity: 0.85;
}
.login-aside-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,16,31,0.6) 0%, rgba(11,31,58,0.85) 60%, rgba(5,16,31,0.95) 100%);
}
.login-aside-content {
  position: relative; height: 100%; display: flex; flex-direction: column;
  justify-content: space-between;
}
.login-aside-body { max-width: 420px; margin: auto 0; }
.login-aside-h { color: #fff; margin: 18px 0 20px; text-wrap: balance; }
.login-aside-h .serif-em { color: var(--silver-300); font-weight: 400; }
.login-aside-lead { color: var(--silver-200); font-size: 16px; line-height: 1.6; }
.login-aside-foot { color: var(--silver-500); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }

.login-main {
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 48px; position: relative;
}
.login-card {
  width: 100%; max-width: 420px;
  background: #fff; border: 1px solid var(--border-1); border-radius: 14px;
  padding: 40px; box-shadow: var(--shadow-2);
}
.login-h { margin-top: 10px; }

.field { display: block; margin-bottom: 16px; }
.field-label { display: block; font-size: 13px; font-weight: 500; color: var(--fg-2); margin-bottom: 6px; }
.field-input {
  width: 100%; padding: 12px 14px; border-radius: 8px;
  border: 1px solid var(--border-2); background: #fff;
  font: 500 14px var(--font-sans); color: var(--fg-1);
  transition: border-color 200ms, box-shadow 200ms;
}
.field-input:focus { outline: 0; border-color: var(--signal-500); box-shadow: 0 0 0 3px rgba(43,97,234,0.16); }
.field-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.field-hint { font-size: 12px; color: var(--signal-500); }
.field-check {
  display: flex; gap: 10px; align-items: center;
  font-size: 13px; color: var(--fg-2); margin: 16px 0 20px;
}
.btn-lg { padding: 14px 18px; font-size: 14px; }
.login-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0; color: var(--fg-4); font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em;
}
.login-divider::before, .login-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--border-1);
}
.login-meta { margin-top: 22px; text-align: center; font-size: 12px; color: var(--fg-4); line-height: 1.6; }
.login-foot {
  width: 100%; max-width: 420px; display: flex; justify-content: space-between;
  margin-top: 24px; font-size: 11px; color: var(--fg-4);
}
.login-foot a { color: var(--fg-4); }

/* =============== THESIS ARTICLE =============== */
.thesis-article { background: var(--paper); color: var(--paper-ink); font-family: var(--font-serif); }
.ta-hero {
  position: relative; padding: 140px 32px 80px; color: #fff; overflow: hidden;
  background: var(--ink-900);
}
.ta-hero-photo {
  position: absolute; inset: 0;
  background-image: url("../img/plume-composition.svg");
  background-size: cover; background-position: center; opacity: 0.9;
}
.ta-hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,16,31,0.35) 0%, rgba(11,31,58,0.55) 70%, rgba(11,31,58,0.85) 100%);
}
.ta-hero-inner { position: relative; max-width: 920px; margin: 0 auto; }
.ta-h { color: #fff; font-family: var(--font-display); text-wrap: balance; margin: 22px 0 22px; }
.ta-dek {
  font-family: var(--font-display); font-style: italic; color: var(--silver-200);
  font-size: 22px; line-height: 1.4; max-width: 56ch; margin: 0 0 28px;
}
.ta-byline { color: var(--silver-200); font-size: 12px; letter-spacing: 0.08em; display: flex; gap: 8px; flex-wrap: wrap; }

.ta-body {
  max-width: 1080px; margin: 0 auto; padding: 72px 32px 120px;
  display: grid; grid-template-columns: 220px 1fr; gap: 56px;
}
.ta-toc { position: sticky; top: 96px; align-self: start; font-family: var(--font-sans); }
.ta-toc ol { list-style: none; padding: 0; margin: 14px 0 0; counter-reset: none; }
.ta-toc ol li { margin-bottom: 8px; }
.ta-toc ol a { color: var(--paper-ink-2); font-size: 13px; text-decoration: none; }
.ta-toc ol a:hover { color: var(--signal-500); }
.ta-toc-foot { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--paper-rule); }
.ta-toc-foot .mono { font-size: 10px; color: var(--paper-mute); letter-spacing: 0.14em; text-transform: uppercase; }
.ta-toc-bar { height: 2px; background: var(--paper-rule); margin-top: 8px; border-radius: 2px; overflow: hidden; }
.ta-toc-fill { height: 100%; background: var(--plume-400); }

.ta-col { max-width: 62ch; font-size: 18px; line-height: 1.75; color: var(--paper-ink-2); }
.ta-col p { margin: 0 0 20px; }
.ta-col strong { color: var(--paper-ink); font-weight: 600; }
.ta-col em { font-style: italic; color: var(--paper-ink); }
.ta-col a { color: var(--signal-500); }
.ta-h2 {
  font-family: var(--font-display); color: var(--paper-ink);
  font-size: 32px; margin: 56px 0 20px; letter-spacing: -0.01em; font-weight: 500;
}
.ta-lede { font-size: 20px; line-height: 1.7; color: var(--paper-ink); }
.ta-dropcap {
  font-family: var(--font-display); font-weight: 500;
  font-size: 68px; line-height: 0.9; float: left;
  margin: 8px 10px -4px 0; color: var(--paper-ink);
}
.ta-pullquote {
  margin: 40px 0 40px -32px; padding: 8px 0 8px 28px;
  border-left: 2px solid var(--plume-400);
  font-family: var(--font-display); font-style: italic;
  font-size: 24px; line-height: 1.4; color: var(--paper-ink);
}
.ta-pullquote figcaption {
  font-family: var(--font-mono); font-style: normal; font-size: 11px;
  color: var(--paper-mute); margin-top: 12px; letter-spacing: 0.08em; text-transform: uppercase;
}
.ta-figure {
  margin: 40px 0; background: #fff; border: 1px solid var(--paper-rule); border-radius: 6px;
  padding: 24px; font-family: var(--font-sans);
}
.ta-figure-title {
  font-family: var(--font-display); color: var(--paper-ink);
  font-size: 18px; font-weight: 500; margin: 4px 0 12px;
}
.ta-figure-svg { width: 100%; height: auto; display: block; }
.ta-figure-cap { font-size: 11px; color: var(--paper-mute); margin-top: 12px; letter-spacing: 0.06em; }
.ta-endmark {
  text-align: center; font-size: 24px; color: var(--plume-400);
  margin: 48px 0 32px; letter-spacing: 0.2em;
}
.ta-author {
  margin-top: 32px; padding: 24px; background: var(--paper-2); border-radius: 6px;
  font-family: var(--font-sans);
}
.ta-author-inner { display: flex; gap: 16px; }
.ta-author-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--ink-800); color: #fff; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 500; font-size: 18px; flex-shrink: 0;
}
.ta-author-name { font-size: 14px; font-weight: 600; color: var(--paper-ink); margin-bottom: 4px; }
.ta-author-bio { font-size: 13px; color: var(--paper-ink-3); line-height: 1.6; }

@media (max-width: 900px) {
  .ta-body { grid-template-columns: 1fr; }
  .ta-toc { position: static; }
  .ta-pullquote { margin-left: 0; }
}

/* =============== TEAM =============== */
.team-page { background: var(--paper); font-family: var(--font-sans); }
.team-hero {
  position: relative; padding: 140px 32px 80px; color: #fff; overflow: hidden; background: var(--ink-900);
}
.team-hero-photo {
  position: absolute; inset: 0;
  background-image: url("../img/earth-limb.svg");
  background-size: cover; background-position: center; opacity: 0.95;
}
.team-hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,16,31,0.5) 0%, rgba(11,31,58,0.9) 100%);
}
.team-hero-inner { position: relative; max-width: 1100px; margin: 0 auto; }
.team-h { color: #fff; margin: 20px 0 20px; text-wrap: balance; font-family: var(--font-display); }
.team-dek { color: var(--silver-200); font-size: 18px; line-height: 1.6; max-width: 58ch; }

.team-grid-wrap { max-width: 1180px; margin: 0 auto; padding: 72px 32px 120px; }
.team-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.team-card {
  background: #fff; border: 1px solid var(--paper-rule); border-radius: 10px;
  padding: 28px; transition: all 200ms var(--ease-out);
}
.team-card:hover { border-color: var(--ink-500); box-shadow: var(--shadow-2); transform: translateY(-2px); }
.team-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--ink-800); color: #fff; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 500; font-size: 18px;
  letter-spacing: -0.01em;
}
.team-role {
  font-size: 11px; color: var(--plume-500); margin-top: 20px; letter-spacing: 0.14em;
  text-transform: uppercase; font-weight: 500;
}
.team-name {
  font-family: var(--font-display); font-weight: 500;
  font-size: 24px; color: var(--paper-ink); margin: 6px 0 12px; letter-spacing: -0.01em;
}
.team-bio { font-size: 14px; color: var(--paper-ink-3); line-height: 1.6; }
.team-tags { display: flex; gap: 6px; margin-top: 20px; flex-wrap: wrap; }
.team-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  background: var(--paper-2); color: var(--paper-ink-2); padding: 4px 10px;
  border-radius: 999px;
}
.team-cta {
  margin-top: 56px; padding: 32px 40px; background: var(--ink-800); color: #fff;
  border-radius: 12px; display: flex; justify-content: space-between; align-items: center;
  gap: 32px; flex-wrap: wrap;
}
.team-cta .eyebrow { color: var(--plume-300); }
.team-cta h2 { color: #fff; font-family: var(--font-display); max-width: 48ch; }

@media (max-width: 900px) {
  .team-grid { grid-template-columns: 1fr; }
}

/* =============== FAQ =============== */
.faq-page { background: var(--paper); font-family: var(--font-sans); }
.faq-hero {
  position: relative; padding: 140px 32px 72px; color: #fff; overflow: hidden; background: var(--ink-900);
}
.faq-hero-photo {
  position: absolute; inset: 0;
  background-image: url("../img/plume-composition.svg");
  background-size: cover; background-position: center; opacity: 0.8;
}
.faq-hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,16,31,0.6) 0%, rgba(11,31,58,0.95) 100%);
}
.faq-hero-inner { position: relative; max-width: 900px; margin: 0 auto; }
.faq-h { color: #fff; font-family: var(--font-display); margin: 20px 0; text-wrap: balance; }

.faq-body { max-width: 880px; margin: 0 auto; padding: 64px 32px 120px; }
.faq-group { margin-bottom: 40px; }
.faq-group-head {
  display: flex; align-items: baseline; gap: 16px;
  padding-bottom: 14px; border-bottom: 1px solid var(--paper-rule);
  margin-bottom: 8px;
}
.faq-group-n {
  font-size: 11px; color: var(--plume-500); letter-spacing: 0.14em;
}
.faq-group h2 { color: var(--paper-ink); font-family: var(--font-display); }
.faq-list { display: grid; gap: 0; }
.faq-item { border-bottom: 1px solid var(--paper-rule); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 22px 4px; transition: color 200ms;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--signal-500); }
.faq-q {
  font-family: var(--font-display); font-size: 19px; font-weight: 500;
  color: var(--paper-ink); letter-spacing: -0.005em;
}
.faq-caret {
  font-family: var(--font-mono); font-size: 20px; color: var(--paper-mute);
  transition: transform 200ms;
}
.faq-item[open] .faq-caret { transform: rotate(45deg); color: var(--plume-400); }
.faq-a {
  font-family: var(--font-serif); font-size: 16px; line-height: 1.7;
  color: var(--paper-ink-2); padding: 0 4px 24px; max-width: 64ch;
}
.faq-cta {
  margin-top: 48px; padding: 32px 40px; background: var(--ink-800); color: #fff;
  border-radius: 12px; display: flex; justify-content: space-between; align-items: center;
  gap: 32px; flex-wrap: wrap;
}
.faq-cta .eyebrow { color: var(--plume-300); }
.faq-cta h2 { color: #fff; font-family: var(--font-display); max-width: 48ch; }