/* scottlangbooks.com
 *
 * Palette nods to the Marine Corps without using any of its marks:
 * navy ground, scarlet for the one action that matters, gold for rules
 * and small accents only. No Eagle, Globe and Anchor, no seals, no
 * insignia anywhere in this site's assets — those require a license.
 *
 * Contrast, measured against the navy ground (#0B1D3A):
 *   off-white #F2EFE8  14.7:1   body text
 *   gold      #C9A227   6.9:1   accents, small headings
 *   scarlet   #C8102E   2.8:1 — NEVER text on navy. Button fill only,
 *                              where off-white on scarlet measures 5.2:1.
 * System fonts only — no webfont request on the critical path.
 */

:root {
  --navy:        #0B1D3A;
  --navy-deep:   #07142A;
  --navy-raised: #12294B;
  --scarlet:     #C8102E;
  --scarlet-hi:  #E01A3C;
  --gold:        #C9A227;
  --paper:       #F2EFE8;
  --paper-dim:   #C9C3B6;
  --rule:        rgba(201, 162, 39, 0.35);

  --serif: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --wrap: 68rem;
  --measure: 34rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--navy);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .tagline { font-family: var(--serif); font-weight: 700; line-height: 1.15; }

a { color: var(--gold); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--paper); }

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

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--gold); color: var(--navy-deep); padding: 0.75rem 1rem;
  font-weight: 700;
}
.skip:focus { left: 0; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

/* ---------------- header ---------------- */

.site-head {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem;
  align-items: baseline; justify-content: space-between;
  max-width: var(--wrap); margin: 0 auto; padding: 1.25rem;
  border-bottom: 1px solid var(--rule);
}
.wordmark {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 700;
  letter-spacing: 0.04em; color: var(--paper); text-decoration: none;
}
.site-head nav { display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: baseline; }
.site-head nav a, .linklike {
  font-size: 0.8125rem; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--paper-dim); text-decoration: none;
}
.site-head nav a:hover, .linklike:hover { color: var(--gold); }
.inline-form { display: inline; margin: 0; }
.linklike {
  background: none; border: 0; padding: 0; cursor: pointer;
  font-family: inherit;
}

/* ---------------- hero ---------------- */

.hero { padding: 2.5rem 0 0; }

.hero-inner {
  max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem;
  display: grid; gap: 2.5rem; align-items: start;
}

.hero-cover img {
  width: 100%; max-width: 20rem; margin: 0 auto;
  border: 1px solid var(--rule);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.eyebrow {
  margin: 0 0 1rem; color: var(--gold);
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.17em; text-transform: uppercase;
}

.hero h1 {
  margin: 0; font-size: clamp(2.25rem, 8vw, 3.25rem);
  letter-spacing: -0.02em;
}

.series-line {
  margin: 0.5rem 0 1.75rem; color: var(--paper-dim);
  font-size: 0.9375rem; letter-spacing: 0.1em; text-transform: uppercase;
}

.hook {
  margin: 0 0 1.75rem; padding: 0 0 0 1.125rem;
  border-left: 3px solid var(--scarlet);
  font-family: var(--serif); font-size: clamp(1.25rem, 4.2vw, 1.5rem);
  line-height: 1.4; max-width: var(--measure);
}
.hook p { margin: 0 0 0.85rem; }
.hook p:last-child { margin-bottom: 0; font-size: 0.86em; color: var(--paper-dim); }

.byline {
  margin: 2rem 0 0.15rem; font-family: var(--serif);
  font-size: 1.3125rem; letter-spacing: 0.02em;
}
.credential { margin: 0; color: var(--paper-dim); font-size: 0.8125rem; font-style: italic; }

.release {
  margin: 1.25rem 0 0; padding-top: 1.25rem; border-top: 1px solid var(--rule);
  font-size: 0.875rem; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--paper-dim);
}
.release strong { color: var(--gold); }

/* ---------------- forms ---------------- */

.signup-form { display: grid; gap: 0.625rem; max-width: 30rem; margin: 0; }

.signup-form input[type="email"] {
  width: 100%; padding: 0.9rem 1rem;
  background: var(--navy-deep); color: var(--paper);
  border: 1px solid var(--rule); border-radius: 2px;
  font-family: inherit; font-size: 1rem;
}
.signup-form input[type="email"]::placeholder { color: #8A8677; }
.signup-form input[type="email"]:focus { border-color: var(--gold); }

.btn {
  display: inline-block; padding: 0.9rem 1.5rem;
  border: 1px solid transparent; border-radius: 2px;
  font-family: inherit; font-size: 0.9375rem; font-weight: 700;
  letter-spacing: 0.05em; text-align: center; text-decoration: none;
  cursor: pointer;
}
.btn-primary { background: var(--scarlet); color: var(--paper); }
.btn-primary:hover { background: var(--scarlet-hi); color: var(--paper); }
.btn-large { font-size: 1.0625rem; padding: 1rem 1.75rem; }
.btn-ghost {
  background: transparent; color: var(--gold); border-color: var(--gold);
}
.btn-ghost:hover { background: var(--gold); color: var(--navy-deep); }

.micro { margin: 0.75rem 0 0; color: var(--paper-dim); font-size: 0.8125rem; }
.secondary-cta { margin: 1.125rem 0 0; font-size: 0.9375rem; }
.form-error {
  margin: 0 0 1rem; padding: 0.75rem 1rem;
  background: rgba(200, 16, 46, 0.18);
  border-left: 3px solid var(--scarlet); color: var(--paper);
  font-size: 0.9375rem;
}

/* ---------------- about the book ---------------- */

.about-book {
  max-width: var(--wrap); margin: 3rem auto 0; padding: 0 1.25rem 3.5rem;
}
.about-book details { border-top: 1px solid var(--rule); padding-top: 1.5rem; }
.about-book summary {
  cursor: pointer; list-style: none; color: var(--gold);
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.17em; text-transform: uppercase;
}
.about-book summary::-webkit-details-marker { display: none; }
.about-book summary::after { content: " +"; }
.about-book details[open] summary::after { content: " –"; }

.about-body {
  max-width: var(--measure); margin-top: 1.25rem;
  font-family: var(--serif); font-size: 1.0625rem; line-height: 1.75;
}
.about-body p { margin: 0 0 1.1rem; }
.about-pitch { color: var(--paper-dim); font-size: 0.9375rem; line-height: 1.7; }

/* ---------------- series ---------------- */

.series { background: var(--navy-deep); padding: 3.5rem 0; }

.section-label {
  margin: 0 0 0.75rem; color: var(--gold);
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.17em; text-transform: uppercase;
}

.tagline { margin: 0 0 1.25rem; font-size: clamp(1.625rem, 6vw, 2.5rem); }

.series-copy {
  max-width: var(--measure); margin: 0 0 2.5rem;
  font-family: var(--serif); font-size: 1.0625rem; line-height: 1.75;
  color: var(--paper);
}

.book-cards {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1rem;
}
.book-card {
  padding: 1.5rem; background: var(--navy-raised);
  border: 1px solid var(--rule); border-radius: 2px;
}
.book-card--current { border-left: 3px solid var(--scarlet); }
.book-card--next { opacity: 0.82; }
.book-num {
  margin: 0 0 0.5rem; color: var(--gold);
  font-size: 0.6875rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
}
.book-card h3 { margin: 0 0 0.5rem; font-size: 1.5rem; }
.book-when { margin: 0; color: var(--paper-dim); font-size: 0.875rem; }

/* ---------------- behind the forge ---------------- */

.forge { padding: 3.5rem 0; }
.forge h2 { margin: 0 0 1rem; font-size: clamp(1.75rem, 6vw, 2.5rem); }
.forge-intro { max-width: var(--measure); color: var(--paper); margin: 0 0 2rem; }

.essay-list { list-style: none; margin: 0 0 2.25rem; padding: 0; }
.essay-item {
  padding: 1.25rem 0; border-top: 1px solid var(--rule);
  max-width: var(--measure);
}
.essay-item h3 { margin: 0 0 0.35rem; font-size: 1.1875rem; }
.essay-item h3 a { color: var(--paper); text-decoration: none; }
.essay-item h3 a:hover { color: var(--gold); }
.essay-item p { margin: 0; color: var(--paper-dim); font-size: 0.9375rem; }
.essay-flag {
  margin-top: 0.4rem !important; color: var(--gold) !important;
  font-size: 0.75rem !important; letter-spacing: 0.08em; text-transform: uppercase;
}
.forge-cta { margin: 0; }

/* ---------------- article pages ---------------- */

.page { max-width: var(--wrap); margin: 0 auto; padding: 3rem 1.25rem 4rem; }
.page-narrow { max-width: 42rem; }

.article-head { border-bottom: 1px solid var(--rule); padding-bottom: 1.5rem; margin-bottom: 2rem; }
.article-head h1 { margin: 0 0 0.5rem; font-size: clamp(1.875rem, 6vw, 2.75rem); }
.article-meta { margin: 0; color: var(--paper-dim); font-size: 0.8125rem;
                letter-spacing: 0.08em; text-transform: uppercase; }

.prose { font-family: var(--serif); font-size: 1.125rem; line-height: 1.8; max-width: var(--measure); }
.prose p { margin: 0 0 1.35rem; }
.prose h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; }
.prose h3 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }
.prose blockquote {
  margin: 1.75rem 0; padding-left: 1.125rem;
  border-left: 3px solid var(--scarlet); color: var(--paper-dim); font-style: italic;
}
.prose ul, .prose ol { padding-left: 1.5rem; margin: 0 0 1.35rem; }
.prose li { margin-bottom: 0.5rem; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

.back-link {
  display: inline-block; margin-bottom: 2rem;
  font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase;
}

/* ---------------- message pages ---------------- */

.message { max-width: 34rem; margin: 0 auto; padding: 4.5rem 1.25rem 5rem; text-align: left; }
.message h1 { margin: 0 0 1rem; font-size: clamp(1.875rem, 7vw, 2.75rem); }
.message p { color: var(--paper); font-size: 1.0625rem; }
.message .btn { margin-top: 1.5rem; }
.message-rule { width: 3.5rem; height: 3px; background: var(--scarlet); margin: 0 0 1.75rem; }

/* ---------------- footer ---------------- */

.site-foot {
  background: var(--navy-deep); border-top: 1px solid var(--rule);
  padding: 3rem 0 2.5rem; margin-top: 2rem;
}
.foot-grid {
  max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem;
  display: grid; gap: 2.5rem;
}
.foot-signup h2 { margin: 0 0 0.5rem; font-size: 1.5rem; }
.foot-signup p { margin: 0 0 1.25rem; color: var(--paper-dim); font-size: 0.9375rem; }
.foot-meta p { margin: 0 0 0.75rem; color: var(--paper-dim); font-size: 0.8125rem; }
.foot-address { font-style: normal; line-height: 1.6; }
.foot-links a { color: var(--paper-dim); }
.foot-links a:hover { color: var(--gold); }

/* ---------------- admin ---------------- */

.admin { max-width: 62rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
.admin h1 { margin: 0 0 0.35rem; font-size: 2rem; }
.admin h2 { margin: 3rem 0 1rem; font-size: 1.375rem;
            border-bottom: 1px solid var(--rule); padding-bottom: 0.5rem; }
.admin-sub { margin: 0 0 2rem; color: var(--paper-dim); font-size: 0.875rem; }

.stat-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 0 0 1rem; padding: 0; list-style: none; }
.stat {
  background: var(--navy-raised); border: 1px solid var(--rule);
  padding: 0.75rem 1rem; border-radius: 2px; min-width: 7rem;
}
.stat b { display: block; font-family: var(--serif); font-size: 1.5rem; color: var(--gold); }
.stat span { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--paper-dim); }

.admin form { margin: 0 0 2rem; display: grid; gap: 0.75rem; }
.admin label { font-size: 0.8125rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--paper-dim); }
.admin input[type="text"], .admin input[type="email"], .admin input[type="number"],
.admin input[type="datetime-local"], .admin textarea, .admin select {
  width: 100%; padding: 0.7rem 0.85rem;
  background: var(--navy-deep); color: var(--paper);
  border: 1px solid var(--rule); border-radius: 2px;
  font-family: inherit; font-size: 0.9375rem;
}
.admin textarea { min-height: 11rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
                  font-size: 0.875rem; line-height: 1.6; }
.admin .row { display: grid; gap: 0.75rem; }
.admin .checks { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.admin .checks label { text-transform: none; letter-spacing: 0; font-size: 0.9375rem; color: var(--paper); }
.admin .actions { display: flex; gap: 0.625rem; flex-wrap: wrap; }
.admin table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.admin th, .admin td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--rule); }
.admin th { color: var(--gold); font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; }
.admin details { border: 1px solid var(--rule); border-radius: 2px; padding: 1rem; margin-bottom: 0.75rem; }
.admin summary { cursor: pointer; font-family: var(--serif); font-size: 1.0625rem; }
.notice {
  padding: 0.85rem 1rem; margin: 0 0 1.5rem; border-left: 3px solid var(--gold);
  background: rgba(201, 162, 39, 0.12); font-size: 0.875rem;
}

/* ---------------- pitch line (top of hero) ---------------- */

.pitch {
  margin: 1.5rem 0 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
  max-width: var(--measure);
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.0625rem, 3.4vw, 1.1875rem);
  line-height: 1.6; color: var(--paper);
}

/* ---------------- series: question, forms, motto ---------------- */

.series-question {
  margin: 0 0 2.5rem; max-width: var(--measure);
  font-family: var(--serif); font-size: clamp(1.25rem, 4.4vw, 1.625rem);
  line-height: 1.35; color: var(--gold);
}

.three-forms { margin: 0 0 2.75rem; max-width: var(--measure); }
.three-forms-lead, .three-forms-close {
  margin: 0; color: var(--paper-dim); font-size: 0.9375rem;
}
.three-forms-close { margin-top: 1.25rem; font-style: italic; }
.three-forms dl { margin: 1.25rem 0 0; }
.three-forms dl > div {
  display: flex; flex-wrap: wrap; gap: 0 0.75rem; align-items: baseline;
  padding: 0.6rem 0; border-top: 1px solid var(--rule);
}
.three-forms dt {
  font-family: var(--serif); font-size: 1.125rem; color: var(--paper);
  min-width: 9.5rem;
}
.three-forms dd { margin: 0; color: var(--paper-dim); font-size: 0.9375rem; }

.motto {
  margin: 0 0 0.35rem; padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.0625rem, 3.6vw, 1.25rem);
  letter-spacing: 0.02em; color: var(--gold);
}
.motto-gloss {
  margin: 0 0 2.75rem; color: var(--paper-dim);
  font-size: 0.8125rem; letter-spacing: 0.09em; text-transform: uppercase;
}

/* ---------------- series: phases ---------------- */

.phases { margin: 0 0 2.5rem; }
.phase { margin: 0 0 2rem; }
.phase-name {
  margin: 0 0 0.25rem; font-family: var(--serif); font-size: 1.25rem;
  color: var(--paper);
}
.phase-note {
  margin: 0 0 1rem; color: var(--paper-dim);
  font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase;
}
.book-card h4 { margin: 0 0 0.5rem; font-family: var(--serif); font-size: 1.375rem; }
.book-line {
  margin: 0.6rem 0 0; padding-top: 0.6rem; border-top: 1px solid var(--rule);
  font-family: var(--serif); font-style: italic;
  font-size: 0.9375rem; color: var(--paper-dim);
}

.withholding {
  margin: 0; padding: 1.25rem 0 0; border-top: 1px solid var(--rule);
  max-width: var(--measure);
  font-family: var(--serif); font-size: 1.0625rem; line-height: 1.7;
  color: var(--paper);
}

/* ---------------- PDF download ---------------- */

.pdf-cta {
  margin: 2.75rem 0 0; padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
}
.download-note { margin: 0.5rem 0 0; color: var(--paper-dim); font-size: 0.8125rem; }

/* ---------------- wider screens ---------------- */

@media (min-width: 48rem) {
  .hero { padding-top: 3.5rem; }
  .hero-inner { grid-template-columns: minmax(0, 20rem) minmax(0, 1fr); gap: 3.5rem; }
  .hero-cover img { margin: 0; }
  .book-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .three-forms dt { min-width: 11rem; }
  .foot-grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
  .signup-form { grid-template-columns: minmax(0, 1fr) auto; align-items: start; }
  .admin .row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 64rem) {
  .hero-inner { grid-template-columns: minmax(0, 24rem) minmax(0, 1fr); gap: 4.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}