/* ============================================================
   THE SECRET SQUIRREL — Four-Star Tactics site
   Design tokens
   ============================================================ */

:root {
  --ink: #14171c;
  --ink-soft: #2a2f38;
  --paper: #f7f4ec;
  --paper-dim: #ece7d8;
  --amber: #f2a900;
  --amber-deep: #c98700;
  --navy: #1b2a41;
  --navy-soft: #28395280;
  --steel: #5b6470;
  --steel-light: #8b93a0;
  --redline: #b23a2e;
  --line: rgba(20, 23, 28, 0.12);

  --display: "Archivo Black", "Arial Narrow", sans-serif;
  --body: "IBM Plex Sans", -apple-system, sans-serif;
  --mono: "IBM Plex Mono", monospace;

  --max-width: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Eyebrow / stamp labels ---------- */
.stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--redline);
  border: 1px solid var(--redline);
  padding: 4px 10px;
  border-radius: 2px;
}

.stamp.navy { color: var(--navy); border-color: var(--navy); }
.stamp.amber { color: var(--amber-deep); border-color: var(--amber-deep); }

/* ---------- Signature toggle/star mark ---------- */
.toggle-mark {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  vertical-align: middle;
}
.toggle-mark svg { width: 22px; height: 14px; }

.divider-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin: 0 auto;
  width: fit-content;
  color: var(--steel-light);
}
.divider-toggle .line { width: 60px; height: 1px; background: var(--line); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
}

nav.primary-nav { display: flex; gap: 28px; align-items: center; }
nav.primary-nav a {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
nav.primary-nav a:hover,
nav.primary-nav a.active { color: var(--amber-deep); border-bottom-color: var(--amber); }

.nav-buy-btn {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 9px 18px;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-buy-btn:hover { background: var(--amber-deep); }

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; }

@media (max-width: 760px) {
  nav.primary-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 18px 28px 24px;
    gap: 16px;
  }
  nav.primary-nav.open { display: flex; }
  .mobile-toggle { display: block; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 64px 0 80px;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-dim) 100%);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { order: -1; }
}

.hero-eyebrow { margin-bottom: 22px; }

h1.hero-title {
  font-family: var(--display);
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: var(--navy);
}
h1.hero-title .accent { color: var(--amber-deep); }

.hero-sub {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 480px;
  margin: 0 0 30px;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1.5px solid var(--ink);
  transition: transform 0.15s, background 0.2s, color 0.2s;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--amber-deep); border-color: var(--amber-deep); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.hero-meta {
  display: flex;
  gap: 22px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--steel);
  letter-spacing: 0.04em;
}

.hero-art { position: relative; }
.hero-art .clip-frame {
  position: relative;
  transform: rotate(-2.2deg);
  width: min(360px, 90%);
  margin: 0 auto;
  box-shadow: 0 28px 60px -20px rgba(20,23,28,0.45);
}
.hero-art img { border: 6px solid var(--paper); }
.hero-art .pin {
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%) rotate(-2.2deg);
  width: 34px; height: 34px;
  background: var(--redline);
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* ============================================================
   SECTION SCAFFOLDING
   ============================================================ */
section { padding: 84px 0; }
section.tight { padding: 64px 0; }
section.on-navy { background: var(--navy); color: var(--paper); }
section.on-paper-dim { background: var(--paper-dim); }

.section-head { max-width: 620px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

h2.section-title {
  font-family: var(--display);
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.08;
  margin: 16px 0 14px;
  color: var(--navy);
}
section.on-navy h2.section-title { color: var(--paper); }

.section-dek { color: var(--steel); font-size: 17px; }
section.on-navy .section-dek { color: var(--steel-light); }

/* ============================================================
   MISSION BRIEF / INTRO QUOTE
   ============================================================ */
.brief {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 700px) { .brief { grid-template-columns: 1fr; gap: 20px; } }

.brief-label {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  border-left: 3px solid var(--amber);
  padding-left: 14px;
}

.brief blockquote {
  font-family: var(--display);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.25;
  margin: 0;
  color: var(--ink);
}

/* ============================================================
   CONCEPT / FIELD-NOTE CARDS
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .card-grid { grid-template-columns: 1fr; } }

.field-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  padding: 28px 26px 30px;
  position: relative;
}
.field-card .tag {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 14px;
  display: block;
}
.field-card h3 {
  font-family: var(--display);
  font-size: 20px;
  margin: 0 0 10px;
  color: var(--navy);
  line-height: 1.2;
}
.field-card p { color: var(--ink-soft); font-size: 15.5px; margin: 0; }

/* ============================================================
   FORMATS / BUY SECTION
   ============================================================ */
.formats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 900px) { .formats-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; } }

.format-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.format-card .fmt-name {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}
.format-card .fmt-title {
  font-family: var(--display);
  font-size: 22px;
  color: var(--navy);
}
.format-card .fmt-price {
  font-family: var(--mono);
  font-size: 28px;
  color: var(--amber-deep);
}
.format-card .fmt-price span { font-size: 14px; color: var(--steel); }
.format-card .fmt-note { font-size: 13.5px; color: var(--steel); flex-grow: 1; }
.format-card.featured { border-color: var(--amber); box-shadow: 0 0 0 1px var(--amber); }
.format-card.featured .fmt-name { color: var(--amber-deep); }

.retailer-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 36px;
  justify-content: center;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--steel);
}
.retailer-row a { text-decoration: underline; text-decoration-color: var(--line); }
.retailer-row a:hover { color: var(--amber-deep); }

/* ============================================================
   AUTHOR TEASER (homepage only)
   ============================================================ */
.author-teaser {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 30px;
}
@media (max-width: 600px) { .author-teaser { grid-template-columns: 1fr; text-align: center; } }
.author-teaser .photo-frame {
  width: 140px; height: 140px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--amber);
  background: var(--paper-dim);
}
@media (max-width: 600px) { .author-teaser .photo-frame { margin: 0 auto; } }
.author-teaser .photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.author-teaser .photo-frame.placeholder {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 11px; color: var(--steel); text-align: center; padding: 10px;
}
.author-teaser h3 { font-family: var(--display); font-size: 20px; color: var(--navy); margin: 0 0 8px; }
.author-teaser p { color: var(--ink-soft); margin: 0 0 12px; font-size: 15.5px; }
.author-teaser a.teaser-link {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--amber-deep); border-bottom: 1px solid var(--amber);
}

/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter-box {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.ml-embed-slot {
  margin-top: 26px;
  border: 1px dashed var(--steel-light);
  padding: 22px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--steel);
  background: rgba(255,255,255,0.04);
}
section.on-navy .ml-embed-slot { border-color: rgba(247,244,236,0.3); }

/* simple fallback form styling, used until MailerLite embed is dropped in */
.fallback-form { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; justify-content: center; }
.fallback-form input[type="email"] {
  flex: 1; min-width: 220px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--body);
  font-size: 15px;
}
section.on-navy .fallback-form input[type="email"] { background: rgba(255,255,255,0.08); border-color: rgba(247,244,236,0.25); color: var(--paper); }
.fallback-form button { white-space: nowrap; }

/* ============================================================
   TIMELINE (author page)
   ============================================================ */
.timeline { border-left: 2px solid var(--line); padding-left: 30px; display: flex; flex-direction: column; gap: 34px; }
.timeline-item { position: relative; }
.timeline-item::before {
  content: "";
  position: absolute; left: -36px; top: 4px;
  width: 11px; height: 11px;
  background: var(--amber);
  border: 2px solid var(--paper);
  border-radius: 50%;
}
.timeline-item .t-years { font-family: var(--mono); font-size: 12.5px; color: var(--steel); letter-spacing: 0.06em; }
.timeline-item h4 { font-family: var(--display); font-size: 18px; color: var(--navy); margin: 4px 0 6px; }
.timeline-item p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--ink);
  color: var(--steel-light);
  padding: 48px 0 36px;
}
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 26px; align-items: center; }
.footer-brand { font-family: var(--mono); font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--paper); display: flex; align-items: center; gap: 10px; }
.footer-links { display: flex; gap: 22px; font-family: var(--mono); font-size: 12.5px; }
.footer-links a:hover { color: var(--amber); }
.footer-fine { margin-top: 28px; font-size: 12px; color: var(--steel); border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; }

/* utility */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }