/* Handoff Systems — site styles
   Palette and type tokens live in tokens.css.
   Governing rule: neutrals dominate, Navy structures, Teal supports, Brass is scarce. */

/* ---------- Base ---------- */

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.15;
  letter-spacing: 0;
  margin: 0 0 0.6em;
}

h1 { font-size: var(--text-h1); font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: var(--text-h2); font-weight: 600; }
h3 { font-size: var(--text-h3); font-weight: 500; }

p { margin: 0 0 1em; max-width: var(--measure); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--color-teal);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-thickness: 1px;
}
a:hover { color: var(--color-navy); }

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

strong { font-weight: 600; }

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

@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  z-index: 100;
}
.skip-link:focus { top: 1rem; }

/* ---------- Type helpers ---------- */

.eyebrow {
  font-size: 0.8125rem; /* 13px */
  font-weight: 500;
  letter-spacing: 0.06em;
  font-variant: all-small-caps;
  color: var(--color-slate);
  margin: 0 0 0.75rem;
}

.eyebrow-on-navy { color: rgba(246, 246, 245, 0.75); }

.lede {
  font-size: 1.125rem; /* 18px */
  line-height: 1.55;
}

.small { font-size: var(--text-small); }
.muted { color: var(--color-slate); }

.on-navy { color: var(--color-paper); }
h2.on-navy { color: var(--color-white); }
.on-navy-muted { color: rgba(246, 246, 245, 0.75); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.2;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-navy);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-teal); color: var(--color-white); }

/* Brass: Ink text, never White (3.0:1 fails). One per screen. */
.btn-accent {
  background: var(--color-brass);
  color: var(--color-ink);
  border-color: var(--color-brass);
}
.btn-accent:hover {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.btn-sm { font-size: var(--text-label); padding: 0.55rem 1rem; }
.btn-lg { font-size: 1.0625rem; padding: 1rem 1.6rem; }
.btn-block { width: 100%; }

.link-arrowless {
  font-weight: 500;
  color: var(--color-navy);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-paper);
  border-bottom: 1px solid var(--border-card);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-navy);
}

.brand-mark { width: 36px; height: 36px; border-radius: 7px; }

.brand-wordmark {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.375rem;
  letter-spacing: 0;
  color: var(--color-navy);
  white-space: nowrap;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a:not(.btn) {
  color: var(--color-ink);
  font-weight: 500;
  font-size: var(--text-label);
  text-decoration: none;
}
.site-nav a:not(.btn):hover { color: var(--color-teal); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--border-divider);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font: inherit;
  font-size: var(--text-label);
  font-weight: 500;
  color: var(--color-navy);
  cursor: pointer;
}

.nav-toggle-bar {
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
}
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    background: var(--color-paper);
    border-bottom: 1px solid var(--border-card);
    display: none;
  }
  .site-nav.is-open { display: block; }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1.25rem;
  }
  .site-nav li { border-top: 1px solid var(--border-card); }
  .site-nav li:first-child { border-top: 0; }
  .site-nav a:not(.btn) { display: block; padding: 0.9rem 0; }
  .site-nav li:last-child { border-top: 0; padding-top: 0.75rem; }
  .site-nav .btn { width: 100%; }
}

/* ---------- Sections ---------- */

.section { padding: var(--space-section) 0; }

.section-head { max-width: 46rem; margin-bottom: 3rem; }

.section-navy {
  background: var(--color-navy);
  color: var(--color-paper);
}

.section-note {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-divider);
}

.card {
  background: var(--color-white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.card h3 { margin-bottom: 0.75rem; }

.plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.plain-list li { padding: 0.45rem 0; }
.plain-list li + li { border-top: 1px solid var(--border-card); }

/* ---------- Hero ---------- */

.hero {
  padding: clamp(3.5rem, 7vw, 6.5rem) 0 clamp(3rem, 6vw, 5.5rem);
}

.hero-inner {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 7fr 5fr; gap: 4.5rem; }
}

.hero h1 { max-width: 14ch; }
.hero .lede { margin-bottom: 1.75rem; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

/* Guide cover mock. Navy field, serif title. No Brass here so the hero keeps one accent. */
.guide-cover {
  background: var(--color-navy);
  color: var(--color-paper);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  max-width: 24rem;
  margin: 0 auto;
  aspect-ratio: 8.5 / 11;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: 0 18px 40px rgba(29, 37, 43, 0.12);
  position: relative;
  overflow: hidden;
}

.guide-cover::before {
  /* the handoff baton, quietly, as cover art */
  content: "";
  position: absolute;
  top: 2rem;
  left: 2rem;
  width: 64px;
  height: 14px;
  border-radius: 7px;
  background: var(--color-teal);
  box-shadow: 44px 12px 0 0 var(--color-paper);
}

.guide-cover-label {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  font-variant: all-small-caps;
  color: rgba(246, 246, 245, 0.7);
  margin-bottom: 0.75rem;
}

.guide-cover-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.75rem;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 0.9rem;
}

.guide-cover-sub {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: rgba(246, 246, 245, 0.85);
  margin-bottom: 1.25rem;
}

.guide-cover-author {
  font-size: 0.8125rem;
  color: rgba(246, 246, 245, 0.7);
  padding-top: 1rem;
  border-top: 1px solid var(--border-on-navy);
}

/* ---------- Steps ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

@media (min-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .steps .step:last-child { grid-column: 1 / -1; }
  .steps .step:last-child .step-body p { max-width: 70ch; }
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
  background: var(--color-white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.6rem 1.5rem;
}

/* Step number badge: 14px Inter 600 tabular, White on Steel Teal */
.step-badge {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-teal);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 600;
  font-feature-settings: "tnum";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.step h3 {
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.step-body p { margin-bottom: 0.85rem; }
.step-body p:last-child { margin-bottom: 0; }

.done-when {
  font-size: var(--text-small);
  color: var(--color-slate);
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-card);
}
.done-when strong { color: var(--color-teal); }

/* ---------- Lead magnet ---------- */

.guide-inner {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .guide-inner { grid-template-columns: 7fr 5fr; gap: 4rem; }
}

.guide-copy .lede { margin-bottom: 0.75rem; }

.checklist {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  max-width: 40rem;
}

.checklist li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.75rem;
  border-top: 1px solid var(--border-on-navy);
}
.checklist li:first-child { border-top: 0; }

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 0.9rem;
  height: 0.45rem;
  border-left: 2px solid var(--color-paper);
  border-bottom: 2px solid var(--color-paper);
  transform: rotate(-45deg);
  opacity: 0.85;
}

.guide-form-card {
  background: var(--color-white);
  color: var(--color-ink);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-title { color: var(--color-navy); margin-bottom: 0.25rem; }

.form { margin-top: 1.25rem; }

.field { margin-bottom: 1rem; }

.field label {
  display: block;
  font-size: var(--text-label);
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--color-ink);
}

.field input {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--color-ink);
  background: var(--color-white);
  border: 1px solid var(--border-divider);
  border-radius: var(--radius);
  padding: 0.7rem 0.85rem;
}
.field input::placeholder { color: var(--color-slate); }
.field input:focus {
  outline: 2px solid var(--color-teal);
  outline-offset: 1px;
  border-color: var(--color-teal);
}
.field.has-error input { border-color: var(--color-navy); }

.form .btn-block { margin-top: 0.5rem; }

.form-status {
  min-height: 1.4em;
  margin: 0.75rem 0 0;
  color: var(--color-navy);
}
.form-status:empty { display: none; }

.form-fineprint { margin-top: 0.85rem; }

/* ---------- About ---------- */

.about-inner {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .about-inner { grid-template-columns: 7fr 5fr; gap: 4rem; }
}

.about-aside { display: grid; gap: 1rem; }

.about-photo {
  margin: 0 0 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.about-photo img {
  display: block;
  width: 160px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  background: var(--color-white);
}
.about-photo figcaption { display: grid; gap: 0.2rem; }
.about-photo figcaption strong {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-h3);
  color: var(--color-navy);
}
.about-photo figcaption span { font-size: var(--text-small); color: var(--color-slate); }

@media (min-width: 600px) {
  .about-photo img { width: 200px; height: 250px; }
}

/* ---------- Next steps ---------- */

.section-book { padding-top: var(--space-section); }

.book-card {
  background: var(--color-white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 900px) {
  .book-card { grid-template-columns: 7fr 5fr; gap: 3.5rem; }
}

.signature {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-navy);
  margin-top: 1.25rem;
}

.book-action {
  display: grid;
  gap: 0.75rem;
}

.book-action .btn { width: 100%; white-space: normal; text-align: center; }

.offer-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}
@media (min-width: 768px) {
  .offer-grid { grid-template-columns: 1fr 1fr; }
}
.offer-card {
  background: var(--color-white);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
}
.offer-card h3 { margin-bottom: 0.35rem; }
.offer-card .btn { margin-top: auto; white-space: normal; text-align: center; }
.offer-label {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-teal);
  margin-bottom: 0.5rem;
}
.offer-price { font-weight: 500; color: var(--color-navy); }

/* Visible pre-launch placeholder. Remove once real values are set. */
.placeholder {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border: 1px dashed var(--color-slate);
  border-radius: 4px;
  font-size: var(--text-small);
  color: var(--color-slate);
}

.launch-note {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  background: var(--color-paper);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
}
.launch-note p { margin: 0; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-navy);
  color: var(--color-paper);
  padding: 3.5rem 0 2.5rem;
}

.footer-inner {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 1.4fr 1fr 1fr;
    align-items: start;
  }
}

.footer-brand img {
  width: 300px;
  height: auto;
  margin-left: -1rem; /* optical: lockup has internal padding */
}

.footer-tagline {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--color-paper);
  margin-top: 0.75rem;
}

.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.site-footer a {
  color: var(--color-paper);
  text-decoration: none;
}
.site-footer a:hover { text-decoration: underline; }

.footer-meta {
  font-size: var(--text-small);
  color: rgba(246, 246, 245, 0.75);
}
.footer-meta p { margin-bottom: 0.4rem; }

@media (min-width: 768px) {
  .footer-meta { text-align: right; }
}

/* Brand review: restrained accent, readable checkpoints, and small-screen fit. */
h1 { letter-spacing: 0; }
html { scroll-padding-top: 6rem; }
.btn { min-height: 44px; white-space: normal; }
.done-when { color: var(--color-ink); font-size: 1rem; }
.done-when strong { color: var(--color-navy); }
.site-nav a:not(.btn) { color: var(--color-navy); }
.brand { padding: 14px 0; gap: 16px; }
.brand-mark { width: 40px; height: 40px; }
.faq { max-width: 50rem; }
.section-questions { padding-bottom: 0; }
.faq h2 { margin-bottom: 1rem; }
.faq details { border-top: 1px solid var(--border-divider); padding: 1.1rem 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--border-divider); }
.faq summary { cursor: pointer; color: var(--color-navy); font-weight: 500; font-size: var(--text-body); }
.faq summary:hover { color: var(--color-teal); }
.faq details p { margin: 0.85rem 0 0; }
.site-footer :focus-visible { outline-color: var(--color-paper); }
@media(max-width:860px) {
  .nav-toggle { display: none; }
  .has-js .nav-toggle { display: inline-flex; }
  .site-nav { position: static; display: block; }
  .has-js .site-nav { position: absolute; display: none; }
  .has-js .site-nav.is-open { display: block; }
  .header-inner { flex-wrap: wrap; }
}
@media(max-width:400px) {
  .header-inner { gap: 8px; }
  .brand { gap: 8px; }
  .brand-wordmark { font-size: 18px; }
  .brand-mark { width: 30px; height: 30px; }
  .nav-toggle { padding: 10px 8px; }
  .nav-toggle-bar { display: none; }
  .step { padding: 20px 16px; gap: 12px; }
  .guide-form-card { padding: 24px; }
}