/* Best Yarn for Inkle Weaving Stylesheet — Scoped for S016 guide */

:root {
  --paper: #f7f3ea;
  --yarn-paper: #f7f3ea;
  --yarn-paper-deep: #eee8dc;
  --ink: #101b29;
  --yarn-ink: #101b29;
  --indigo: #203e5d;
  --yarn-indigo: #203e5d;
  --yarn-indigo-deep: #17334f;
  --brass: #a57b3d;
  --yarn-brass: #a57b3d;
  --yarn-muted: #4e5660;
  --serif: "Fraunces", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
}

body.best-yarn-page {
  margin: 0;
  color: var(--yarn-ink);
  background:
    radial-gradient(ellipse at 20% 10%, rgba(255, 255, 255, .5), transparent 54%),
    repeating-linear-gradient(0deg, rgba(88, 71, 48, .018) 0 1px, transparent 1px 5px),
    var(--yarn-paper);
  font-family: var(--sans);
  line-height: 1.6;
}

/* Site Header */
.best-yarn-page .site-header {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  right: 0;
  height: 68px;
  min-height: 68px;
  padding-inline: max(24px, calc((100vw - 1240px) / 2));
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 52px;
  background: transparent;
  border-bottom: none;
}

.best-yarn-page .brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  color: var(--yarn-ink);
  font: 600 1.35rem/1 var(--serif);
  text-decoration: none;
}

.best-yarn-page .brand-mark {
  display: none;
}

.best-yarn-page .header-actions {
  display: flex;
  gap: 38px;
  align-items: center;
}

.best-yarn-page .header-btn,
.best-yarn-page .header-btn:hover {
  position: relative;
  min-height: 42px;
  padding: 9px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--yarn-ink);
  font: 500 .95rem/1.2 var(--sans);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.best-yarn-page .header-btn.active {
  position: relative;
}

.best-yarn-page .header-btn.active::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 2px;
  background: var(--yarn-brass);
  content: "";
}

.best-yarn-page .mobile-menu {
  display: none;
}

/* Page Layout */
.best-yarn-page .candidate-guide {
  width: 100%;
  margin: 0;
  padding: 0 0 48px;
}

/* Hero Section — Desktop */
.best-yarn-page .guide-hero {
  position: relative;
  min-height: max(606px, 50vw);
  overflow: hidden;
  background: var(--yarn-paper) url("./desktop-hero-background-v5.9b3e1df86ead.png") center top / 100% 100% no-repeat;
  display: block;
}

.best-yarn-page .hero-content {
  position: relative;
  z-index: 1;
  width: min(42%, 590px);
  padding: 120px 0 54px;
  margin-left: max(5.4vw, 54px);
  color: #f9f5eb;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.best-yarn-page .guide-breadcrumbs {
  margin: 0 0 42px;
  font: 400 .9rem/1.4 var(--serif);
  color: rgba(249, 245, 235, .82);
  display: flex;
  align-items: baseline;
}

.best-yarn-page .guide-breadcrumbs a {
  color: inherit;
  text-decoration: none;
}

.best-yarn-page .guide-breadcrumbs a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.best-yarn-page .guide-breadcrumbs .sep {
  padding: 0 10px;
  color: rgba(249, 245, 235, .6);
}

.best-yarn-page .guide-breadcrumbs [aria-current="page"] {
  color: rgba(249, 245, 235, .95);
}

.best-yarn-page .guide-eyebrow {
  margin: 0 0 17px;
  font: 500 .72rem/1.4 var(--sans);
  letter-spacing: .34em;
  color: rgba(249, 245, 235, .88);
  text-transform: uppercase;
}

.best-yarn-page .guide-hero h1 {
  max-width: none;
  margin: 0 0 18px;
  font: 600 clamp(3.2rem, 5.1vw, 4.55rem)/.98 var(--serif);
  letter-spacing: -.035em;
  color: #fbf7ed;
}

.best-yarn-page .guide-hero h1 span {
  display: block;
  white-space: nowrap;
}

.best-yarn-page .hero-intro {
  max-width: 34rem;
  margin: 0;
  font: 400 clamp(1.12rem, 1.65vw, 1.35rem)/1.42 var(--serif);
  color: #fbf7ed;
}

.best-yarn-page .hero-cta {
  text-decoration: none;
  transition: transform .16s ease, background-color .16s ease;
}

.best-yarn-page .hero-cta:hover {
  transform: translateY(-1px);
}

.best-yarn-page .hero-cta-desktop {
  width: fit-content;
  min-height: 52px;
  margin-top: 26px;
  padding: 12px 20px 12px 23px;
  display: inline-flex;
  align-items: center;
  gap: 24px;
  background: var(--yarn-brass);
  color: #fff9ed;
  font: 600 1.08rem/1.2 var(--serif);
  box-shadow: inset 0 -3px rgba(67, 45, 14, .16);
}

.best-yarn-page .hero-cta-desktop:hover {
  background: #91692f;
}

.best-yarn-page .hero-cta-desktop span {
  font: 400 1.45rem/1 var(--sans);
}

.best-yarn-page .hero-media,
.best-yarn-page .hero-cta-mobile {
  display: none;
}

/* Comparison Section */
.best-yarn-page .comparison-section {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 42px;
}

.best-yarn-page .section-heading {
  margin: 0 0 20px;
  font: 600 clamp(2rem, 3.2vw, 2.75rem)/1.1 var(--serif);
  letter-spacing: -.025em;
  color: var(--yarn-ink);
}

.best-yarn-page .yarn-comparison-layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(245px, 1.25fr);
  gap: 22px;
  align-items: stretch;
}

.best-yarn-page .comparison-items {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.best-yarn-page .factor-card {
  position: relative;
  min-height: 172px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .78), rgba(238, 232, 220, .92));
  clip-path: polygon(2% 2%, 18% 0, 35% 2%, 52% 0, 68% 2%, 85% 0, 100% 2%, 99% 99%, 78% 97%, 60% 100%, 42% 98%, 22% 100%, 0 97%);
  color: var(--yarn-ink);
}

.best-yarn-page .factor-card summary {
  list-style: none;
  cursor: pointer;
  padding: 17px 18px 20px;
  min-height: 172px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.best-yarn-page .factor-card summary::-webkit-details-marker {
  display: none;
}

.best-yarn-page .step-badge {
  width: 82px;
  height: 54px;
  margin: 0 0 12px;
  display: grid;
  place-items: center;
  transform: rotate(-6deg);
  clip-path: polygon(3% 28%, 11% 19%, 13% 8%, 24% 12%, 34% 3%, 42% 10%, 51% 1%, 62% 8%, 75% 4%, 78% 13%, 93% 13%, 91% 25%, 100% 36%, 94% 47%, 98% 58%, 88% 67%, 89% 80%, 78% 79%, 70% 94%, 57% 88%, 49% 100%, 39% 89%, 27% 96%, 22% 82%, 9% 84%, 12% 70%, 1% 62%, 7% 51%, 0 40%);
  background: repeating-linear-gradient(161deg, rgba(255, 255, 255, .06) 0 1px, transparent 1px 7px), var(--yarn-indigo);
  color: #fff;
  font: italic 600 1.55rem/1 var(--serif);
}

.best-yarn-page .factor-card:nth-child(even) .step-badge {
  background: repeating-linear-gradient(161deg, rgba(255, 255, 255, .06) 0 1px, transparent 1px 7px), var(--yarn-brass);
}

.best-yarn-page .factor-copy {
  display: grid;
  gap: 3px;
}

.best-yarn-page .factor-title {
  margin: 0 0 4px;
  font: 600 1.28rem/1.12 var(--serif);
  color: var(--yarn-ink);
  display: block;
}

.best-yarn-page .factor-subtitle {
  margin: 0;
  font: 400 .9rem/1.3 var(--serif);
  color: var(--yarn-ink);
  display: block;
}

.best-yarn-page .step-chevron {
  display: none;
}

.best-yarn-page .factor-detail {
  padding: 0 18px 20px;
  color: var(--yarn-muted);
  font-size: .94rem;
  line-height: 1.6;
}

.best-yarn-page .factor-detail p {
  margin: 0;
}

.best-yarn-page .before-choose-panel {
  padding: 25px 26px;
  background: linear-gradient(135deg, #e2e8eb, #d4dfe4);
  clip-path: polygon(2% 3%, 20% 1%, 41% 3%, 60% 0, 82% 3%, 100% 1%, 98% 94%, 80% 100%, 58% 97%, 38% 100%, 18% 97%, 0 99%);
}

.best-yarn-page .before-choose-panel h3 {
  margin: 0 0 14px;
  font: 600 1.55rem/1.15 var(--serif);
  color: var(--yarn-ink);
}

.best-yarn-page .before-choose-panel h3::after {
  display: block;
  width: 33px;
  height: 2px;
  margin-top: 9px;
  transform: rotate(-2deg);
  background: var(--yarn-brass);
  content: "";
}

.best-yarn-page .panel-item {
  margin: 0 0 10px;
  font: 400 1rem/1.35 var(--serif);
  color: var(--yarn-ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.best-yarn-page .panel-item:last-child {
  margin-bottom: 0;
}

.best-yarn-page .panel-item:hover {
  color: var(--yarn-brass);
}

.best-yarn-page .panel-item span {
  font: 400 1.3rem/1 var(--sans);
}

/* Project Section */
.best-yarn-page .project-section {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 38px 0 0;
}

.best-yarn-page .section-intro {
  font-size: 1.05rem;
  color: var(--yarn-muted);
  margin: 0 0 24px;
  max-width: 780px;
}

.best-yarn-page .cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.best-yarn-page .guide-card {
  min-width: 0;
  color: var(--yarn-ink);
}

.best-yarn-page .guide-card summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: block;
  overflow: hidden;
  background: rgba(238, 232, 220, .74);
  clip-path: polygon(0 1%, 35% 0, 68% 1%, 100% 0, 99% 98%, 67% 100%, 32% 98%, 1% 100%);
}

.best-yarn-page .guide-card summary::-webkit-details-marker {
  display: none;
}

.best-yarn-page .guide-card summary img {
  display: block;
  width: 100%;
  height: clamp(140px, 16vw, 190px);
  object-fit: cover;
}

.best-yarn-page .guide-card:nth-child(1) summary img { object-position: 50% 50%; }
.best-yarn-page .guide-card:nth-child(2) summary img { object-position: 52% 48%; }
.best-yarn-page .guide-card:nth-child(3) summary img { object-position: 50% 45%; }

.best-yarn-page .card-title {
  min-height: 58px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  color: var(--yarn-ink);
  font: 600 1.35rem/1.15 var(--serif);
}

.best-yarn-page .guide-card summary > .step-chevron {
  display: none;
}

.best-yarn-page .card-detail {
  padding: 12px 18px 17px;
  color: var(--yarn-muted);
  font-size: .93rem;
  line-height: 1.6;
}

.best-yarn-page .card-detail p {
  margin: 0;
}

/* Sources Section */
.best-yarn-page .sources-section {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 0;
}

.best-yarn-page .sources-disclosure {
  border-top: 1px solid rgba(32, 62, 93, .25);
  border-bottom: 1px solid rgba(32, 62, 93, .25);
}

.best-yarn-page .sources-disclosure > summary {
  list-style: none;
  cursor: pointer;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--yarn-indigo-deep);
  font: 600 1.16rem/1.3 var(--serif);
}

.best-yarn-page .sources-disclosure > summary::-webkit-details-marker {
  display: none;
}

.best-yarn-page .sources-disclosure > summary > span:last-child {
  color: var(--yarn-brass);
  font: 400 1.35rem/1 var(--sans);
  transition: transform .16s ease;
}

.best-yarn-page .sources-disclosure[open] > summary > span:last-child {
  transform: rotate(90deg);
}

.best-yarn-page .sources-list {
  margin: 0;
  padding: 4px 0 20px;
  display: grid;
  gap: 15px;
  list-style: none;
}

.best-yarn-page .sources-list li {
  padding-left: 16px;
  border-left: 2px solid rgba(165, 123, 61, .45);
}

.best-yarn-page .sources-list a {
  color: var(--yarn-ink);
  font-weight: 600;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.best-yarn-page .sources-list p {
  margin: 4px 0 0;
  color: var(--yarn-muted);
  font-size: .9rem;
}

/* Tablet Responsive Breakpoint */
@media (max-width: 900px) and (min-width: 701px) {
  .best-yarn-page .yarn-comparison-layout {
    grid-template-columns: 1fr;
  }

  .best-yarn-page .before-choose-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 24px;
  }

  .best-yarn-page .before-choose-panel h3 {
    grid-column: 1 / -1;
  }
}

/* Mobile Responsive Breakpoint */
@media (max-width: 700px) {
  .best-yarn-page .site-header {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    height: 40px;
    min-height: 40px;
    padding: 2px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--yarn-paper);
    border-bottom: 1px solid rgba(27, 35, 43, .12);
  }

  .best-yarn-page .brand {
    font-size: 1.08rem;
  }

  .best-yarn-page .header-actions {
    display: none;
  }

  .best-yarn-page .mobile-menu {
    position: relative;
    display: block;
    z-index: 5;
  }

  .best-yarn-page .mobile-menu > summary {
    width: 32px;
    height: 32px;
    display: grid;
    align-content: center;
    gap: 5px;
    padding: 4px;
    list-style: none;
    cursor: pointer;
  }

  .best-yarn-page .mobile-menu > summary::-webkit-details-marker {
    display: none;
  }

  .best-yarn-page .mobile-menu > summary span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 0 auto;
    background: var(--yarn-ink);
  }

  .best-yarn-page .mobile-menu nav {
    position: absolute;
    top: 40px;
    right: 0;
    min-width: 190px;
    padding: 8px;
    display: grid;
    border: 1px solid rgba(27, 35, 43, .14);
    background: var(--yarn-paper);
    box-shadow: 0 12px 28px rgba(18, 28, 35, .15);
  }

  .best-yarn-page .mobile-menu nav a {
    padding: 12px;
    color: var(--yarn-ink);
    text-decoration: none;
    font: 500 .95rem var(--sans);
  }

  .best-yarn-page .mobile-menu nav a[aria-current="page"] {
    color: var(--yarn-brass);
    font-weight: 600;
  }

  .best-yarn-page .candidate-guide {
    padding-bottom: 28px;
  }

  .best-yarn-page .guide-hero {
    width: 100%;
    min-height: 0;
    margin: 0 auto;
    overflow: visible;
    display: block;
    background: none;
  }

  .best-yarn-page .hero-content {
    position: relative;
    width: auto;
    margin: 0;
    padding: 5px 20px 8px;
    color: var(--yarn-ink);
  }

  .best-yarn-page .guide-breadcrumbs {
    display: none !important;
  }

  .best-yarn-page .guide-eyebrow {
    margin: 0 0 7px;
    color: var(--yarn-brass);
    font-size: .55rem;
    letter-spacing: .32em;
  }

  .best-yarn-page .guide-hero h1 {
    max-width: 11ch;
    margin: 0 0 4px;
    color: var(--yarn-ink);
    font-size: clamp(2rem, 9.2vw, 2.3rem);
    line-height: .98;
  }

  .best-yarn-page .guide-hero h1 span {
    display: inline;
    white-space: normal;
  }

  .best-yarn-page .hero-intro {
    max-width: 34ch;
    color: var(--yarn-ink);
    font-size: .96rem;
    line-height: 1.38;
  }

  .best-yarn-page .hero-media {
    position: relative;
    width: 100%;
    height: clamp(250px, 72vw, 320px);
    display: block;
    overflow: hidden;
    background: var(--yarn-paper);
    z-index: 0;
    margin: 0;
    clip-path: none;
  }

  .best-yarn-page .hero-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center bottom;
  }

  .best-yarn-page .hero-cta-desktop {
    display: none;
  }

  .best-yarn-page .hero-cta-mobile {
    position: relative;
    z-index: 2;
    width: calc(100% - 40px);
    min-height: 44px;
    margin: 7px auto 0;
    padding: 9px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--yarn-indigo);
    color: #fffaf0;
    text-decoration: none;
    font: 600 .92rem/1.2 var(--serif);
  }

  .best-yarn-page .hero-cta-mobile span {
    font: 400 1.35rem/1 var(--sans);
  }

  .best-yarn-page .comparison-section {
    width: calc(100% - 28px);
    padding: 18px 0 28px;
  }

  .best-yarn-page .section-heading {
    font-size: clamp(1.35rem, 5.8vw, 1.55rem);
    line-height: 1.12;
    margin-bottom: 9px;
  }

  .best-yarn-page .yarn-comparison-layout,
  .best-yarn-page .comparison-items {
    grid-template-columns: minmax(0, 1fr);
    gap: 7px;
  }

  .best-yarn-page .factor-card {
    min-height: 61px;
    padding: 0;
    clip-path: none;
    border: 1px solid rgba(120, 111, 97, .14);
    border-radius: 8px;
    background: rgba(255, 255, 255, .58);
  }

  .best-yarn-page .factor-card summary {
    min-height: 61px;
    padding: 4px 10px;
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr) 16px;
    align-items: center;
    gap: 8px;
  }

  .best-yarn-page .step-badge {
    width: 58px;
    height: 52px;
    margin: 0;
    font-size: 1.2rem;
  }

  .best-yarn-page .factor-copy {
    grid-column: 2;
    grid-row: 1;
  }

  .best-yarn-page .factor-title {
    font-size: 1.14rem;
  }

  .best-yarn-page .factor-subtitle {
    font-size: .82rem;
  }

  .best-yarn-page .step-chevron {
    display: block;
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    font: 400 1.4rem/1 var(--sans);
    color: var(--yarn-ink);
    transition: transform .16s ease;
  }

  .best-yarn-page .factor-card[open] .step-chevron {
    transform: rotate(90deg);
  }

  .best-yarn-page .factor-detail {
    padding: 8px 14px 14px;
    font-size: .9rem;
  }

  .best-yarn-page .before-choose-panel {
    background: linear-gradient(135deg, #f5eddc, #eee2c9);
    padding: 14px 12px;
    clip-path: polygon(2% 2%, 34% 0, 68% 2%, 100% 1%, 98% 98%, 67% 100%, 34% 98%, 0 100%);
  }

  .best-yarn-page .before-choose-panel h3 {
    margin-bottom: 7px;
    font-size: 1.2rem;
  }

  .best-yarn-page .panel-item {
    min-height: 32px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .88rem;
  }

  .best-yarn-page .project-section,
  .best-yarn-page .sources-section {
    width: calc(100% - 36px);
  }

  .best-yarn-page .project-section {
    padding-top: 28px;
  }

  .best-yarn-page .cards-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 7px;
  }

  .best-yarn-page .guide-card summary {
    min-height: 48px;
    padding: 0 4px 0 14px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 22px;
    align-items: center;
    clip-path: polygon(1% 3%, 34% 0, 67% 2%, 100% 0, 99% 98%, 62% 100%, 30% 97%, 0 100%);
  }

  .best-yarn-page .guide-card summary img {
    display: none;
  }

  .best-yarn-page .card-title {
    min-height: 48px;
    padding: 9px 8px;
    font-size: 1.13rem;
  }

  .best-yarn-page .guide-card summary > .step-chevron {
    display: block;
    justify-self: end;
    font: 400 1.4rem/1 var(--sans);
    color: var(--yarn-ink);
    transition: transform .16s ease;
  }

  .best-yarn-page .guide-card[open] summary > .step-chevron {
    transform: rotate(90deg);
  }

  .best-yarn-page .card-detail {
    padding: 4px 18px 15px;
    font-size: .9rem;
  }

  .best-yarn-page .sources-section {
    padding-top: 25px;
  }

  .best-yarn-page .sources-disclosure > summary {
    min-height: 54px;
    font-size: 1.05rem;
  }

  .best-yarn-page .sources-list {
    gap: 12px;
  }
}

/* Accessibility & Reduced Motion */
.best-yarn-page a:focus-visible,
.best-yarn-page summary:focus-visible {
  outline: 3px solid rgba(165, 123, 61, .9);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .best-yarn-page *,
  .best-yarn-page *::before,
  .best-yarn-page *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}