@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("fonts/source-sans-3-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("fonts/source-sans-3-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("fonts/source-sans-3-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #F7F1E8;
  --paper-deep: #EBE3D4;
  --card: #FFFCF7;
  --ink: #1B1814;
  --muted: #3E3A34;
  --line: #D4CBBA;
  --green: #0B5C59;
  --green-hover: #084744;
  --teal-soft: #E4F3F1;
  --orange: #8A2E0D;
  --orange-hover: #6E240A;
  --max: 1100px;
  --sidebar: 280px;
  --gap: 40px;
  --radius: 16px;
  --shadow: 0 8px 28px rgba(27,24,20,.08);
  --serif: "Source Serif 4", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
@media (min-width: 800px) {
  body { font-size: 19px; }
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-underline-offset: 2px; }
a:hover { color: var(--green-hover); }
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.22;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: clamp(1.7rem, 3.2vw, 2.35rem); margin: 0 0 .28em; line-height: 1.18; }
h2 { font-size: clamp(1.45rem, 2.5vw, 2rem); margin: 1.55em 0 .5em; }
h3 { font-size: 1.2rem; margin: 1.2em 0 .4em; }
p, li { color: var(--ink); }
.muted, .meta, .small, .caption, figcaption, footer.site, .kicker, .cta-note {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}
code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95em;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.skip { position: absolute; left: -999px; top: 0; }
.skip:focus {
  left: 12px; top: 12px; z-index: 80;
  background: #fff; color: var(--ink);
  padding: .5rem 1rem; border-radius: 8px;
}

.ad-label {
  background: #F3E0C8;
  color: var(--ink);
  text-align: center;
  padding: .4rem 1rem;
  font-size: 16px;
  font-weight: 600;
  border-bottom: 2px solid #E2C89A;
}
.ad-label span { font-weight: 400; color: var(--muted); }

header.site {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
header.site .wrap, footer.site .wrap, .page-wrap, .hero-inner, .trust-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 56px; gap: .8rem;
}
.logo {
  display: flex; align-items: center; gap: .55rem;
  text-decoration: none; color: var(--ink);
  font-family: var(--serif); font-weight: 700; font-size: 1.05rem;
  min-width: 0;
}
.logo span { white-space: nowrap; }
.logo img, .logo svg { width: 36px; height: 36px; }
nav.top { display: flex; flex-wrap: wrap; gap: .85rem 1rem; }
nav.top a { color: var(--ink); text-decoration: none; font-weight: 600; }
nav.top a:hover { color: var(--green); }
@media (max-width: 700px) {
  header.site .wrap {
    flex-wrap: nowrap;
    min-height: 48px;
    padding: 0;
    gap: .4rem;
  }
  .logo { font-size: 16px; gap: .3rem; flex: 1 1 auto; min-width: 0; }
  .logo img, .logo svg { width: 24px; height: 24px; }
  .logo span { white-space: nowrap; }
  nav.top { flex: 0 0 auto; flex-wrap: nowrap; gap: .5rem; padding: 0; }
  nav.top a { font-size: 16px; white-space: nowrap; }
}

.hero {
  position: relative;
  background: var(--paper);
  border-bottom: 0;
  padding-bottom: 1.1rem;
}
.hero-inner { padding: .7rem 0 0; }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}
@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
    gap: 1.6rem;
    align-items: start;
  }
}
.hero-photo {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-photo img { width: 100%; height: auto; }
.hero-photo figcaption { padding: .7rem 1rem 1rem; margin: 0; }
@media (max-width: 899px) {
  .hero-grid { gap: .75rem; }
  .hero-inner { padding-top: .5rem; }
  .hero-photo img {
    max-height: 200px;
    width: 100%;
    object-fit: cover;
    object-position: center 30%;
  }
  .hero-photo figcaption { padding: .35rem .75rem .45rem; }
}

.kicker {
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 16px !important;
  color: var(--green);
  margin: 0 0 .35rem;
}
.hero-emotion {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 .4rem;
  text-wrap: balance;
}
.lede {
  font-size: 1.05em;
  max-width: 42rem;
  margin: 0 0 .7rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--teal-soft);
  color: var(--green);
  border: 1px solid #B7D9D5;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  padding: .4rem .85rem;
  border-radius: 999px;
  margin: 0 0 .85rem;
}

.trust-strip {
  background: var(--card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1rem 0 1.05rem;
}
.trust-strip ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem .8rem;
}
@media (min-width: 700px) {
  .trust-strip ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1000px) {
  .trust-strip ul { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
.trust-strip li {
  display: flex;
  gap: .55rem;
  align-items: flex-start;
  margin: 0;
}
.trust-strip .ico {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  margin-top: .15rem;
  color: var(--green);
}
.trust-strip strong {
  display: block;
  font-size: 16px;
  line-height: 1.3;
}
.trust-strip span {
  display: block;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.35;
}
.trust-strip .trust-source {
  margin: .85rem 0 0;
  font-size: 16px;
}

.cta { display: flex; flex-direction: column; align-items: flex-start; gap: .35rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px;
  padding: .75rem 1.3rem;
  background: var(--green);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.25;
  border-radius: 999px;
  border: 0;
  text-align: center;
  box-shadow: 0 6px 16px rgba(11, 92, 89, .22);
}
.btn:hover { background: var(--green-hover); color: #fff !important; }
.btn.full { width: 100%; }
button.btn {
  font-family: var(--sans);
  cursor: pointer;
  appearance: none;
}
.cta-note { margin: 0; max-width: 36rem; }

.layout {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0 4rem;
}
.sidebar { display: none; }
@media (min-width: 980px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) var(--sidebar);
    gap: var(--gap);
    align-items: start;
    padding-bottom: 5rem;
  }
  .sidebar { display: block; position: sticky; top: 1rem; }
}
.article { min-width: 0; }
.article > :first-child { margin-top: 0; }

.sidebar .card, .card, .facts, .faq details, figure.shot, .alt-card, .book-card, .checked-card, .toc-top, .section-photo, .fit-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.15rem;
}
.sidebar h2 { font-size: 1.15rem; margin: 0 0 .6rem; }
.toc { list-style: none; padding: 0; margin: 0; }
.toc li { margin: 0; }
.toc a {
  display: block;
  text-decoration: none;
  color: var(--ink);
  padding: .35rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 600;
}
.toc a:hover { color: var(--green); }
.side-cta .btn { width: 100%; }

.toc-top { margin: 0 0 1.25rem; padding: 1rem 1.15rem 1.1rem; }
.toc-top h2 { margin: 0 0 .5rem; font-size: 1.2rem; }
.toc-top .toc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 .8rem;
}
@media (min-width: 600px) {
  .toc-top .toc { grid-template-columns: 1fr 1fr; }
}
.toc-top .toc a { border-bottom: 1px solid var(--line); }

.checked-card { margin: 0 0 1.3rem; }
.checked-card h2 { margin: 0 0 .45rem; font-size: 1.35rem; }
.checked-card ul { list-style: none; padding: 0; margin: .4rem 0 .7rem; }
.checked-card li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: .55rem;
  margin: 0 0 .5rem;
  align-items: start;
}
.checked-card .links-inline { margin: 0; }

.author-box {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  margin: 0 0 1.2rem;
  padding: .85rem 1.05rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.author-box .mark { flex: 0 0 36px; width: 36px; height: 36px; margin-top: .15rem; }
.author-box p { margin: 0 0 .3rem; }
.author-box p:last-child { margin: 0; }
.author-kicker {
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 16px !important;
  color: var(--muted);
  margin: 0 0 .15rem !important;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
  background: var(--card);
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: .7rem .65rem;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.5;
}
th {
  font-weight: 700;
  background: var(--paper-deep);
  color: var(--ink);
}
.table-scroll {
  overflow-x: auto;
  max-width: 100%;
  margin: 1rem 0 1.3rem;
  -webkit-overflow-scrolling: touch;
}
.table-scroll table { min-width: 0; width: 100%; }

.compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1rem 0 1.1rem;
}
@media (min-width: 640px) {
  .compare-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 980px) {
  .compare-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.alt-card { margin: 0; }
.alt-card h3 { margin: 0 0 .45rem; }
.alt-card p { margin: 0 0 .45rem; }
.alt-card p:last-child { margin: 0; }

.compare-notes { margin: 0 0 1.4rem; }

.facts-more {
  margin: 0 0 1.2rem;
  padding: .15rem 1rem .2rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.facts-more summary {
  cursor: pointer;
  font-weight: 700;
  padding: .7rem 0;
}
.facts-more p { margin: 0 0 .75rem; }

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1rem 0 1.4rem;
}
@media (min-width: 700px) {
  .split { grid-template-columns: 1fr 1fr; }
}
.pros h3, .cons h3, .fit-col h3 { margin-top: 0; }
.pros, .cons, .fit-col {
  padding: 1.05rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}
.list { list-style: none; padding: 0; margin: 0; }
.list li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: .55rem;
  margin: 0 0 .7rem;
  align-items: start;
}
.list li:last-child { margin-bottom: 0; }
.icon-ok, .icon-no {
  width: 1.35rem; height: 1.35rem;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  margin-top: .2rem;
}
.icon-ok { background: var(--teal-soft); color: var(--green); }
.icon-no { background: #F4E1D8; color: var(--orange); }

.book-grid {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
}
@media (min-width: 620px) {
  .book-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 980px) {
  .book-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.book-card {
  margin: 0;
  padding: 1rem 1.05rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  min-width: 0;
}
.book-card .book-top {
  display: flex;
  align-items: center;
  gap: .55rem;
  color: var(--green);
}
.book-card .book-top svg { flex: 0 0 28px; width: 28px; height: 28px; }
.book-card .num {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--green);
  font-size: 16px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.book-card p { margin: 0; }

figure.shot, .section-photo, .chord-fig {
  margin: 1.15rem 0;
  padding: 0;
  overflow: hidden;
}
figure.shot img, .section-photo img, .chord-fig img { width: 100%; }
figure.shot.pricing-card { max-width: 22rem; }
@media (max-width: 599px) {
  figure.shot.pricing-card { max-width: none; width: 100%; margin-inline: auto; }
  .mid-cta { margin: 1.15rem 0; }
  figure.shot, .section-photo { margin: .9rem 0; }
}
.section-photo img {
  max-height: 360px;
  object-fit: cover;
  object-position: center 35%;
  width: 100%;
}
.section-photo.contain img {
  max-height: 420px;
  object-fit: contain;
  background: var(--paper-deep);
}
@media (min-width: 800px) {
  .section-photo img { max-height: 420px; }
}

.shot-pair { margin: 1.2rem 0; }
.shot-pair figure.shot { margin: 0 0 1rem; }
@media (min-width: 800px) {
  .shot-pair {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1rem;
    align-items: start;
  }
  .shot-pair figure.shot { margin: 0; }
  .shot-pair figure.shot.pricing-card { max-width: none; }
}

.method-shot img { width: 100%; height: auto; background: #F4EFE6; }
@media (max-width: 699px) {
  .method-shot img {
    aspect-ratio: 628 / 456;
    object-fit: contain;
  }
}

figcaption, .caption {
  padding: .75rem 1rem 1rem;
  margin: 0;
}

.mid-cta {
  margin: 1.5rem 0;
  padding: 1.15rem 1.2rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.cta-final {
  margin: 1.8rem 0 1.2rem;
  padding: 1.6rem 1.3rem 1.5rem;
  background: #102826;
  color: #F4EFE6;
  border-radius: var(--radius);
  border: 0;
  box-shadow: var(--shadow);
}
.cta-final h2 { color: #F4EFE6; margin: 0 0 .5rem; }
.cta-final p { color: #F4EFE6; }
.cta-final .cta-note { color: #E4E0D6; }
.cta-final .btn { box-shadow: 0 6px 16px rgba(0,0,0,.28); }

.faq details {
  margin: 0 0 .65rem;
  padding: .2rem 1rem .2rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  padding: .7rem 0;
}
.faq details p { margin-top: 0; }

.reviews-more { margin: 0 0 1.3rem; }

footer.site {
  background: #1B1814;
  color: #F4EFE6;
  padding: 2rem 0 2.5rem;
  font-size: 16px;
  line-height: 1.65;
}
footer.site p { color: #F4EFE6; }
footer.site a { color: #E8F6EC; }
footer.site .links { display: flex; flex-wrap: wrap; gap: .9rem 1.2rem; }

.sticky-cta {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 40;
  background: #1B1814;
  padding: 4px 10px calc(4px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -8px 24px rgba(0,0,0,.2);
  max-height: 72px;
}
.sticky-cta .btn {
  width: 100%;
  background: var(--green);
  min-height: 44px;
  padding: .3rem .9rem;
  white-space: nowrap;
  font-size: 16px;
  box-shadow: none;
}
.sticky-cta .btn:hover { background: var(--green-hover); }
.sticky-cta .aff {
  margin: 0;
  color: #F4EFE6;
  font-size: 16px;
  line-height: 1.2;
  text-align: center;
}
@media (max-width: 979px) {
  body.has-sticky { padding-bottom: 5.5rem; }
  .sticky-cta.is-on { display: block; }
}

.inner-page { padding: 1.5rem 0 3.5rem; max-width: 46rem; }

.contact-form {
  margin: 1.1rem 0 1.6rem;
  padding: 1.15rem 1.15rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-form .field { margin: 0 0 1rem; }
.contact-form label {
  display: block;
  font-weight: 700;
  margin: 0 0 .35rem;
}
.contact-form .hint {
  font-weight: 400;
  color: var(--muted);
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  max-width: 100%;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: #fff;
  border: 1px solid #B7AFA0;
  border-radius: 10px;
  padding: .7rem .8rem;
}
.contact-form textarea { min-height: 8.5rem; resize: vertical; }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid #0B5C59;
  outline-offset: 1px;
  border-color: var(--green);
}
.contact-form .check {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: .65rem;
  align-items: start;
  margin: 0 0 1.1rem;
}
.contact-form .check input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: .2rem;
  accent-color: var(--green);
}
.contact-form .form-privacy {
  margin: .7rem 0 0;
}
.contact-form .form-privacy a {
  white-space: nowrap;
}
.hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.credits dt { font-weight: 700; margin: .8rem 0 .15rem; }
.credits dd { margin: 0 0 .4rem 0; }

.ico-svg { display: block; }

@media (max-width: 699px) {
  h2 { margin: 1.15em 0 .4em; }
  .layout { padding-top: 1rem; padding-bottom: 3.2rem; }
  .toc-top { margin-bottom: .9rem; padding: .85rem 1rem 1rem; }
  .toc-top .toc { grid-template-columns: 1fr 1fr; }
  .toc-top .toc a { padding: .25rem 0; }
  .book-grid { grid-template-columns: 1fr 1fr; gap: .65rem; }
  .book-card { padding: .7rem .75rem .8rem; }
  .compare-grid { grid-template-columns: 1fr 1fr; gap: .65rem; }
  .alt-card { padding: .75rem .8rem; }
  .section-photo img,
  .section-photo.contain img {
    max-height: 200px;
    object-fit: cover;
    object-position: center 35%;
  }
  .hero-photo img { max-height: 160px; }
  figure.shot.pricing-card {
    max-width: none;
    width: 100%;
    margin-inline: auto;
  }
  figure.shot.pricing-card img {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    object-position: top;
  }
  figure.shot.pricing-card figcaption {
    white-space: normal;
    overflow-wrap: break-word;
  }
  .method-shot img { max-height: 220px; object-fit: contain; }
  .chord-fig img { max-height: 220px; object-fit: contain; background: var(--paper); }
  .mid-cta { margin: 1rem 0; padding: .9rem 1rem; }
  .cta-final { margin: 1.2rem 0 1rem; padding: 1.2rem 1rem 1.15rem; }
  figcaption, .caption { padding: .5rem .75rem .65rem; }
  .checked-card { margin-bottom: 1rem; padding: .9rem 1rem; }
  .trust-strip { padding: .75rem 0 .8rem; }
  .trust-strip ul { gap: .5rem .7rem; }
  .shot-pair { margin: .9rem 0; }
  .split { margin: .85rem 0 1.1rem; }
}

/* Keep 2-column books/compare from 360px, including 390 */
@media (min-width: 360px) and (max-width: 619px) {
  .book-grid { grid-template-columns: 1fr 1fr; }
  .compare-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 700px) {
  details.compare-pack {
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
    margin: 0 0 .4rem;
  }
  details.compare-pack > summary { display: none; }
}
@media (max-width: 699px) {
  details.compare-pack { margin: 0 0 1rem; }
}

@media (max-width: 699px) {
  .checked-card li { margin: 0 0 .35rem; }
  .checked-card p { margin: 0 0 .45rem; }
  .verdict { padding: .7rem .9rem .8rem; margin-top: .4rem; }
  .verdict p { margin-bottom: .4rem; }
}