/* ilove.camp design system, slate direction, approved on the design canvas 2026-08-29.
   Tokens come from the four artboards (Main/Lesson/Post/About). */

:root {
  --ink: #17171B;
  --slate: #3F4A5A;
  --tint: #E1E6EC;
  --bone: #F6F4EF;
  --line: #DEDBD3;
  --gray: #53535A;
  --body: #2A2E36;
  --muted: #9CA3AF;
  --heading: 'Sora', sans-serif;
  --text: 'Work Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--text);
  color: var(--ink);
  background: #FFFFFF;
  line-height: 1.6;
}
a { color: var(--slate); text-decoration: none; }
a:hover { color: var(--ink); }
img { max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--heading); font-weight: 600; line-height: 1.15; margin: 0; }

/* ---------- Nav ---------- */
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 clamp(20px, 5vw, 72px); height: 72px; background: #FFFFFF;
}
.nav .brand { font-family: var(--heading); font-weight: 600; font-size: 18px; color: var(--ink); }
.nav .links { display: flex; gap: clamp(16px, 3vw, 32px); font-size: 15px; font-weight: 500; }
.nav .links a { color: var(--gray); }
.nav .links a:hover, .nav .links a.active { color: var(--ink); }

/* ---------- Hero (home) ---------- */
.hero {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px) clamp(56px, 7vw, 96px);
  gap: 24px;
}
.hero .kicker { font-size: 15px; font-weight: 500; color: var(--gray); max-width: 640px; }
.hero h1 {
  font-size: clamp(34px, 5.5vw, 64px); line-height: 1.08; letter-spacing: -0.02em; max-width: 880px;
}
.hero .sub { font-style: italic; font-size: clamp(17px, 2vw, 20px); line-height: 1.5; max-width: 560px; }
.byline-chip { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.byline-chip .mk {
  width: 44px; height: 44px; border-radius: 50%; background: var(--bone);
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  font-family: var(--heading); font-weight: 600; font-size: 15px; color: var(--gray);
}
.byline-chip span { font-size: 14px; color: var(--gray); }

/* ---------- Manifesto spine ---------- */
.manifesto { background: var(--bone); padding: clamp(64px, 9vw, 128px) clamp(20px, 5vw, 72px); display: flex; justify-content: center; }
.spine { position: relative; max-width: 680px; padding-left: 72px; display: flex; flex-direction: column; gap: clamp(48px, 5vw, 72px); }
.spine::before { content: ""; position: absolute; left: 17px; top: 18px; bottom: 6px; width: 2px; background: var(--slate); }
.act { position: relative; display: flex; flex-direction: column; gap: 14px; }
.act-head { display: flex; align-items: center; gap: 20px; margin-left: -72px; }
.numeral {
  width: 36px; height: 36px; border-radius: 50%; background: var(--ink); border: 2px solid var(--slate);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-family: var(--heading); font-weight: 700; font-size: 14px; color: #FFFFFF;
}
.numeral.sm { width: 28px; height: 28px; font-size: 12px; }
.numeral.xs { width: 26px; height: 26px; font-size: 11px; }
.act-label { font-family: var(--heading); font-weight: 700; font-size: 15px; letter-spacing: 0.06em; text-transform: uppercase; }
.act p { font-size: clamp(19px, 2vw, 22px); line-height: 1.6; max-width: 640px; margin: 0; }
.act .lead-in { font-family: var(--heading); font-weight: 600; }
.mark { color: var(--slate); font-weight: 500; border-bottom: 2px solid var(--tint); }
.hedge { font-style: italic; font-size: 17px; line-height: 1.6; color: var(--gray); max-width: 640px; }

/* ---------- Three cards ---------- */
.cards { background: #FFFFFF; padding: clamp(56px, 7vw, 88px) clamp(20px, 5vw, 72px) clamp(60px, 7vw, 96px); display: flex; justify-content: center; }
.cards-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(32px, 4vw, 60px); max-width: 1200px; }
.card { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.card .stem { width: 2px; height: 24px; background: var(--slate); margin-left: 17px; }
.card h2 { font-size: 20px; }
.card p { font-size: 16px; line-height: 1.5; color: var(--gray); margin: 0; }
.card a.more { font-size: 15px; font-weight: 500; color: var(--slate); }
.card a.more:hover { color: var(--ink); }

/* ---------- Newsletter band ---------- */
.cta-band {
  background: var(--slate); padding: clamp(56px, 7vw, 88px) clamp(20px, 5vw, 72px);
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 20px;
}
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); color: #FFFFFF; }
.cta-band .blurb { font-size: 17px; line-height: 1.55; color: #FFFFFF; max-width: 620px; }
.cta-band form { display: flex; gap: 12px; margin-top: 6px; flex-wrap: wrap; justify-content: center; }
.cta-band input[type="email"] {
  background: #FFFFFF; border: none; border-radius: 8px; padding: 13px 18px; width: min(320px, 78vw);
  font-size: 15px; font-family: var(--text); color: var(--ink);
}
.cta-band button {
  background: var(--ink); color: #FFFFFF; font-weight: 600; font-size: 15px; padding: 13px 28px;
  border: none; border-radius: 8px; font-family: var(--text); cursor: pointer;
}
.cta-band .fine { font-size: 13px; color: rgba(255,255,255,0.8); }
.cta-band .form-msg { color: #FFFFFF; }
.cta-band .form-msg.err { color: #FFD9D9; }

/* ---------- Writing list ---------- */
.list-section { background: #FFFFFF; padding: clamp(56px, 7vw, 88px) clamp(20px, 5vw, 72px); display: flex; justify-content: center; }
.list-wrap { display: flex; flex-direction: column; gap: 24px; max-width: 1000px; width: 100%; }
.list-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.list-head .label { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray); }
.list-head a { font-size: 15px; font-weight: 500; }
.post-row {
  display: flex; justify-content: space-between; gap: 24px; align-items: baseline;
  padding: 18px 0; border-top: 1px solid var(--line);
}
.post-row:last-child { border-bottom: 1px solid var(--line); }
.post-row .t { font-weight: 600; font-size: 17px; color: var(--ink); }
.post-row .t:hover { color: var(--slate); }
.post-row .meta { display: flex; gap: 20px; align-items: baseline; flex-shrink: 0; }
.post-row .cat { font-size: 13px; font-weight: 600; color: var(--slate); }
.post-row .date { font-size: 13px; color: var(--gray); white-space: nowrap; }
.filter-tabs { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-tabs button {
  font-family: var(--text); font-size: 14px; font-weight: 500; color: var(--gray);
  background: none; border: 1px solid var(--line); border-radius: 999px; padding: 7px 16px; cursor: pointer;
}
.filter-tabs button.on { background: var(--ink); color: #FFFFFF; border-color: var(--ink); }

/* ---------- Article (post + lesson body) ---------- */
.article-wrap { display: flex; flex-direction: column; align-items: center; padding: clamp(48px, 7vw, 88px) clamp(20px, 5vw, 72px) 0; }
.article { display: flex; flex-direction: column; gap: 22px; max-width: 680px; width: 100%; }
.article .kicker-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.article .kicker-row .act-tag { font-family: var(--heading); font-weight: 700; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--slate); }
.article .kicker-row .who { font-size: 14px; color: var(--gray); }
.article .kicker-row .when { font-size: 14px; color: var(--muted); }
.article h1 { font-size: clamp(30px, 4vw, 46px); line-height: 1.1; letter-spacing: -0.015em; }
.article .body p, .article .body li { font-size: 17px; line-height: 1.75; color: var(--body); }
.article .body p { margin: 0 0 1.1em; }
.article .body h2, .article .body h3 { margin: 1.2em 0 0.5em; font-size: 24px; }
.article .body h3 { font-size: 20px; }
.article .body a { border-bottom: 2px solid var(--tint); }
.article .body img { border-radius: 10px; margin: 8px 0; }
.article .body ul, .article .body ol { padding-left: 24px; margin: 0 0 1.1em; }
.article .body li p { margin: 0 0 0.4em; }
.pullquote {
  border-left: 2px solid var(--slate); padding: 6px 0 6px 28px;
  font-family: var(--heading); font-weight: 600; font-size: 22px; line-height: 1.45; color: var(--ink);
  margin: 8px 0;
}
.prev-next {
  display: flex; justify-content: space-between; gap: 16px; padding: 24px 0; margin-top: 12px;
  border-top: 1px solid var(--line); font-size: 14px; font-weight: 600;
}
.prev-next .prev { color: var(--gray); }
.prev-next .next { color: var(--slate); }
.prev-next a:hover { color: var(--ink); }

/* ---------- Inline CTA box ---------- */
.cta-box {
  background: var(--bone); border-radius: 10px; padding: 26px 30px;
  display: flex; flex-direction: column; gap: 12px; margin: 24px 0 clamp(56px, 8vw, 96px);
}
.cta-box h2 { font-size: 17px; }
.cta-box p { font-size: 14px; line-height: 1.5; color: var(--gray); margin: 0; }
.cta-box form { display: flex; gap: 10px; flex-wrap: wrap; }
.cta-box input[type="email"] {
  background: #FFFFFF; border: 1px solid var(--line); border-radius: 8px; padding: 11px 16px;
  width: min(300px, 100%); font-size: 14px; font-family: var(--text);
}
.btn { display: inline-block; background: var(--slate); color: #FFFFFF; font-weight: 600; font-size: 14px; padding: 11px 24px; border: none; border-radius: 8px; font-family: var(--text); cursor: pointer; }
.btn:hover { background: var(--ink); color: #FFFFFF; }
.btn-outline { display: inline-block; background: none; border: 1.5px solid var(--slate); color: var(--slate); font-weight: 600; font-size: 14px; padding: 11px 22px; border-radius: 8px; font-family: var(--text); cursor: pointer; }
.btn-outline:hover { border-color: var(--ink); color: var(--ink); }
.cta-box .row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- MBA lesson layout ---------- */
.mba-layout { display: flex; border-top: 1px solid var(--line); min-height: 60vh; }
.mba-side {
  width: 320px; flex-shrink: 0; border-right: 1px solid var(--line); background: var(--bone);
  padding: 28px 0; display: flex; flex-direction: column; gap: 2px;
}
.mba-side .side-head { margin: 0 24px 8px; display: flex; align-items: center; gap: 12px; }
.mba-side .side-head .t { font-family: var(--heading); font-weight: 700; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); }
.search-box {
  margin: 8px 24px 18px; background: #FFFFFF; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 14px; display: flex; align-items: center; gap: 10px;
}
.search-box input { border: none; outline: none; font-family: var(--text); font-size: 14px; width: 100%; color: var(--ink); background: transparent; }
.search-box input::placeholder { color: var(--muted); }
.lesson-link { padding: 10px 24px; font-size: 14px; color: var(--gray); display: flex; gap: 12px; align-items: baseline; }
.lesson-link .n { font-family: var(--heading); font-size: 13px; color: var(--muted); min-width: 22px; }
.lesson-link:hover { background: #FFFFFF; color: var(--ink); }
.lesson-link.here { font-weight: 600; color: var(--ink); border-left: 3px solid var(--slate); background: #FFFFFF; padding-left: 21px; }
.lesson-link.here .n { color: var(--slate); }
.lesson-link.soon { color: var(--muted); cursor: default; }
.lesson-link.soon:hover { background: none; color: var(--muted); }
.lesson-link .soon-tag { font-size: 11px; color: var(--muted); margin-left: auto; white-space: nowrap; }
.mba-main { flex-grow: 1; padding: clamp(36px, 6vw, 72px) clamp(20px, 6vw, 104px); display: flex; flex-direction: column; gap: 26px; max-width: 900px; }
.side-more {
  display: none; margin: 14px 24px 4px; padding: 10px 16px; font-size: 13px; font-weight: 600;
  color: var(--slate); background: #FFFFFF; border: 1.5px solid var(--slate); border-radius: 8px;
  font-family: var(--text); text-align: center; cursor: pointer;
}
.no-match { padding: 10px 24px; font-size: 14px; color: var(--gray); }

/* ---------- Books page ---------- */
.book-block { display: flex; flex-direction: column; gap: 16px; padding: 36px 0; border-top: 1px solid var(--line); }
.book-block:first-of-type { border-top: none; padding-top: 0; }
.book-block .subtitle { font-style: italic; font-size: 18px; color: var(--gray); }
.badge { display: inline-block; background: var(--tint); color: var(--slate); font-weight: 600; font-size: 13px; padding: 5px 14px; border-radius: 999px; }
.book-block .actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }

/* ---------- Contact / forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid label { font-size: 13px; font-weight: 600; color: var(--gray); display: block; margin-bottom: 5px; }
.form-grid input, .form-grid textarea {
  width: 100%; background: #FFFFFF; border: 1px solid var(--line); border-radius: 8px;
  padding: 11px 14px; font-size: 15px; font-family: var(--text); color: var(--ink);
}
.form-grid textarea { min-height: 140px; resize: vertical; }
.form-msg { font-size: 16px; font-weight: 600; color: var(--ink); }
.form-msg.err { color: #A33A3A; }

/* ---------- Footer ---------- */
.footer {
  margin-top: auto; background: var(--ink); padding: clamp(40px, 5vw, 56px) clamp(20px, 5vw, 72px);
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
}
.footer .who { display: flex; flex-direction: column; gap: 8px; }
.footer .who .name { font-family: var(--heading); font-weight: 600; font-size: 16px; color: #FFFFFF; }
.footer .who .tag { font-size: 13px; color: rgba(255,255,255,0.7); max-width: 380px; }
.footer .links { display: flex; gap: 24px; font-size: 13px; flex-wrap: wrap; }
.footer .links a { color: rgba(255,255,255,0.7); }
.footer .links a:hover { color: #FFFFFF; }
.footer .copy { font-size: 13px; color: rgba(255,255,255,0.5); }

/* ---------- Page shell ---------- */
.page { min-height: 100vh; display: flex; flex-direction: column; }
.prose-page { display: flex; flex-direction: column; align-items: center; padding: clamp(48px, 6vw, 80px) clamp(20px, 5vw, 72px) 0; }
.prose { display: flex; flex-direction: column; gap: 24px; max-width: 640px; width: 100%; font-size: 17px; line-height: 1.75; color: var(--body); padding-bottom: clamp(56px, 8vw, 96px); }
.prose h1 { font-size: clamp(30px, 4.5vw, 50px); letter-spacing: -0.02em; color: var(--ink); }
.prose h2 { font-size: 22px; color: var(--ink); margin-top: 12px; }
.prose p { margin: 0; }
.prose ul { margin: 0; padding-left: 24px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cards-grid { grid-template-columns: 1fr; }
  .mba-layout { flex-direction: column; }
  .mba-side { width: 100%; border-right: none; border-bottom: 1px solid var(--line); }
  /* On a phone the published lessons always show; only the coming-soon block
     collapses behind a real button (Phyllis blocker, 2026-08-29). */
  .mba-side .lesson-list-soon { display: none; }
  .mba-side.open .lesson-list-soon { display: block; }
  .side-more { display: block; }
  .footer { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .nav { flex-direction: column; height: auto; padding-top: 14px; padding-bottom: 14px; gap: 10px; }
  .spine { padding-left: 52px; }
  .act-head { margin-left: -52px; }
  .spine::before { left: 17px; }
  .post-row { flex-direction: column; gap: 6px; }
  .form-grid { grid-template-columns: 1fr; }
  .prev-next { flex-direction: column; gap: 10px; }
}