:root {
  --yellow: #F5D414;
  --yellow-soft: #FDF4C4;
  --black: #111111;
  --teal: #1B6E77;
  --teal-dark: #124F56;
  --white: #FFFFFF;
  --max-width: 1100px;
  --radius: 14px;
  --shadow: 0 6px 0 var(--black);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Poppins', system-ui, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.55;
}

h1, h2, h3 {
  font-family: 'Anton', 'Poppins', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.05;
  margin: 0 0 0.5em;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* HEADER */
.site-header {
  background: var(--black);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  color: var(--yellow);
  font-family: 'Anton', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 1.5px;
  text-decoration: none;
}

/* BUTTONS */
.btn {
  display: inline-block;
  font-family: 'Anton', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  border: 3px solid var(--black);
  border-radius: 10px;
  padding: 14px 28px;
  background: var(--yellow);
  color: var(--black);
  box-shadow: var(--shadow);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { transform: translateY(2px); box-shadow: 0 4px 0 var(--black); }
.btn:active { transform: translateY(6px); box-shadow: 0 0 0 var(--black); }
.btn-small { padding: 8px 16px; font-size: 0.8rem; box-shadow: 0 4px 0 var(--black); }
.btn-primary { background: var(--yellow); }
.btn-secondary { background: var(--white); }
.btn-block { display: block; width: 100%; text-align: center; border: none; }

/* HERO */
.hero { background: var(--yellow); padding: 60px 0; overflow: hidden; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  background: var(--black);
  color: var(--yellow);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.hero h1 { font-size: 3rem; }
.hero-sub { font-size: 1.05rem; margin: 20px 0 28px; max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-cover img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 300px;
  margin: 0 auto;
  /* no frame — the 3D mockup sits directly on the yellow */
  filter: drop-shadow(10px 14px 0 rgba(17, 17, 17, 0.18));
}

/* PILLARS */
.pillars { padding: 70px 0; background: var(--white); }
.section-title { text-align: center; font-size: 2rem; margin-bottom: 40px; }
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pillar-card {
  background: var(--yellow-soft);
  border: 3px solid var(--black);
  border-radius: var(--radius);
  padding: 24px 18px;
  text-align: center;
}
.pillar-icon { font-size: 2.2rem; display: block; margin-bottom: 10px; }
.pillar-card h3 { color: var(--teal-dark); font-size: 1.3rem; }
.pillar-card p { font-size: 0.92rem; margin: 0; }

/* SIGNUP */
.signup { background: var(--black); color: var(--white); padding: 70px 0; }
.signup-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.signup h2 { color: var(--yellow); font-size: 2.2rem; }
.kit-list { list-style: none; padding: 0; margin: 20px 0; }
.kit-list li { padding: 6px 0; font-size: 1rem; }
.fine-print { font-size: 0.85rem; opacity: 0.75; }

.signup-form {
  background: var(--white);
  color: var(--black);
  border: 3px solid var(--yellow);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 0 6px 0 var(--yellow);
}
.signup-form label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 14px 0 6px;
}
.signup-form label:first-child { margin-top: 0; }
.signup-form input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--black);
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
}
.signup-form input:focus { outline: 3px solid var(--teal); }
.signup-form button { margin-top: 20px; }
.form-note { font-size: 0.78rem; opacity: 0.6; text-align: center; margin: 10px 0 0; }
.form-error { color: #c0392b; font-size: 0.85rem; margin-top: 8px; text-align: center; }

/* ABOUT */
.about { padding: 70px 0; background: var(--yellow-soft); }
.about-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: center;
}
.author-photo {
  border-radius: 50%;
  border: 4px solid var(--black);
  aspect-ratio: 1 / 1;
  width: 100%;
  overflow: hidden;
}
.author-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.15); /* zooms into the centered wordmark */
}
.about h2 { color: var(--teal-dark); }

/* FOOTER */
.site-footer { background: var(--black); color: var(--white); padding: 30px 0; text-align: center; }
.footer-inner p { margin: 4px 0; font-size: 0.85rem; opacity: 0.8; }
.footer-inner a { color: var(--yellow); }

/* AUTHOR HOME (root index.html) */
.author-hero { background: var(--yellow); padding: 60px 0; }
.author-hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
}
.author-hero h1 { font-size: 3rem; }
.author-hero-photo img {
  width: 100%;
  max-width: 300px;
  border: 4px solid var(--black);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: block;
  margin-left: auto;
}

.books { padding: 70px 0; background: var(--white); }
.book-row { display: grid; gap: 24px; }
.book-card {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: center;
  text-decoration: none;
  color: inherit;
  background: var(--yellow-soft);
  border: 3px solid var(--black);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.book-card:hover { transform: translateY(2px); box-shadow: 0 4px 0 var(--black); }
.book-card img { width: 100%; display: block; }
.book-card h3 { font-size: 1.4rem; color: var(--teal-dark); }
.book-card p { font-size: 0.95rem; margin: 8px 0 12px; }
.book-card-link { font-weight: 700; color: var(--teal-dark); }

.about-solo { display: block; }
.about-solo .about-copy { max-width: 62ch; margin: 0 auto; }

@media (max-width: 720px) {
  .author-hero-inner { grid-template-columns: 1fr; }
  .author-hero h1 { font-size: 2.4rem; }
  .author-hero-photo img { margin: 0 auto; max-width: 220px; }
  .book-card { grid-template-columns: 1fr; text-align: center; }
  .book-card img { max-width: 160px; margin: 0 auto; }
}

/* CHECK YOUR EMAIL PAGE (thank-you.html, pre-confirmation) */
.check-email { padding: 50px 0 70px; }
.check-email .wrap { max-width: 620px; }
.steps { list-style: none; padding: 0; margin: 0 0 40px; }
.steps li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  font-size: 1rem;
  border-bottom: 2px solid var(--yellow-soft);
}
.steps li:last-child { border-bottom: none; }
.step-num {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--yellow);
  border: 2px solid var(--black);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.9rem;
}
.inbox-note {
  background: var(--yellow-soft);
  border: 3px solid var(--black);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 30px;
}
.inbox-note h2 { font-size: 1.25rem; margin-bottom: 12px; }
.inbox-note ul { padding-left: 20px; margin: 0 0 14px; }
.inbox-note li { padding: 4px 0; font-size: 0.92rem; }
.inbox-note p { margin: 0; font-size: 0.92rem; }
.check-email .btn { display: block; width: max-content; margin: 0 auto; }
.bookmark-tip { margin-top: 16px; }

/* LEGAL PAGE (privacy) */
.legal { padding: 60px 0 70px; background: var(--white); }
.legal .wrap { max-width: 68ch; }
.legal h1 { font-size: 2.4rem; margin-bottom: 8px; }
.legal h2 { font-size: 1.25rem; color: var(--teal-dark); margin: 34px 0 10px; }
.legal p, .legal li { font-size: 0.95rem; }
.legal ul { padding-left: 20px; margin: 10px 0; }
.legal li { padding: 3px 0; }
.legal .updated { font-size: 0.82rem; opacity: 0.6; margin-bottom: 10px; }
.legal a { color: var(--teal-dark); }

/* THANK YOU PAGE */
.thanks-hero { background: var(--yellow); padding: 60px 0 40px; text-align: center; }
.thanks-hero h1 { font-size: 2.6rem; }
.thanks-hero .hero-sub { margin: 20px auto 0; }

.kit-grid-section { padding: 50px 0 70px; }
.kit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}
.kit-card {
  display: block;
  background: var(--yellow-soft);
  border: 3px solid var(--black);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: var(--black);
  transition: transform 0.12s ease;
}
.kit-card:hover { transform: translateY(-4px); }
.kit-icon { font-size: 2rem; display: block; margin-bottom: 8px; }
.kit-card h3 { font-size: 1.1rem; color: var(--teal-dark); margin-bottom: 6px; }
.kit-card p { font-size: 0.9rem; margin: 0 0 14px; }
.kit-download { font-weight: 700; color: var(--teal-dark); font-size: 0.9rem; }
.print-tip { text-align: center; font-size: 0.9rem; margin-bottom: 30px; }
.kit-grid-section .btn { display: block; width: max-content; margin: 0 auto; }

/* REVIEW CTA (thank-you page) */
.review-cta {
  background: var(--yellow-soft);
  border: 3px solid var(--black);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  margin: 0 auto 30px;
  max-width: 640px;
}
.review-cta h2 { font-size: 1.5rem; margin-bottom: 10px; }
.review-cta p { margin: 0 auto 20px; max-width: 46ch; font-size: 0.95rem; }

/* STICKY REVIEW BAR (thank-you page, after first download) */
.review-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  background: var(--yellow);
  border-top: 3px solid var(--black);
  padding: 14px 0;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.review-bar.is-visible { transform: translateY(0); }
.review-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.review-bar p { margin: 0; font-size: 0.9rem; font-weight: 600; }
.review-bar .btn { flex-shrink: 0; }
.review-bar-close {
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  color: var(--black);
  opacity: 0.55;
}
.review-bar-close:hover { opacity: 1; }
@media (max-width: 620px) {
  .review-bar-inner { flex-wrap: wrap; gap: 10px; justify-content: space-between; }
  .review-bar p { flex: 1 1 100%; text-align: center; font-size: 0.82rem; }
  .review-bar .btn { flex: 1 1 auto; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  .review-bar { transition: none; }
}

/* RESPONSIVE */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-cover { order: -1; }
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .signup-inner { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; text-align: center; }
  .author-photo { max-width: 200px; margin: 0 auto; }
  .kit-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 2.2rem; }
  .pillar-grid { grid-template-columns: 1fr; }
  .kit-grid { grid-template-columns: 1fr; }
}