/* FLYBIRD — design layer (tokens + reset + components). Values from the approved Design Direction. */

/* ── Design tokens ── */
:root {
  /* color */
  --fbd-bg:         #EDECE7;
  --fbd-surface:    #FFFFFF;
  --fbd-text:       #181818;
  --fbd-text-soft:  #5A5853;
  --fbd-border:     #D9D6CE;
  --fbd-accent:     #FE5C36;   /* decorative only: band rule, list markers */
  --fbd-cta:        #D63D17;
  --fbd-cta-hover:  #B8340F;
  --fbd-cta-text:   #FFFFFF;
  --fbd-star:       #D63D17;
  --fbd-focus:      #D63D17;
  --fbd-link:       #181818;
  --fbd-link-line:  #D63D17;
  --fbd-card-bg:    #FFFFFF;   /* padding fill for off-ratio product images */
  --fbd-header-bg:  #FFFFFF;
  --fbd-footer-bg:  #FFFFFF;
  --fbd-band:       #000000;
  --fbd-band-text:  #F2F1EC;
  --fbd-band-soft:  #A8A49C;
  --fbd-band-hi:    #FE5C36;
  --fbd-band-line:  #2A2A2A;
  /* type */
  --fbd-font-head:  "Figtree", system-ui, sans-serif;
  --fbd-font-body:  "Inter", system-ui, sans-serif;
  /* geometry */
  --fbd-radius:     8px;
  --fbd-radius-pill: 999px;
  /* spacing rhythm */
  --fbd-gap:        24px;
  --fbd-section-y:  96px;
  --fbd-gutter:     24px;
  --fbd-max:        1200px;
  --fbd-hdr-h:      72px;
}
@media (max-width: 767px) {
  :root { --fbd-section-y: 64px; --fbd-gutter: 16px; }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--fbd-hdr-h) + 16px); scroll-behavior: smooth; }
body {
  font: 400 17px/1.6 var(--fbd-font-body);
  color: var(--fbd-text);
  background: var(--fbd-bg);
  text-align: left;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--fbd-font-head); line-height: 1.1; font-weight: 600; }
img, picture, svg, video, iframe { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; padding: 0; }
dl, dd { margin: 0; }
:focus-visible { outline: 3px solid var(--fbd-focus); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media (max-width: 767px) { body { font-size: 16px; } }

/* ── Layout ── */
.fbd-wrap { width: 100%; max-width: calc(var(--fbd-max) + 2 * var(--fbd-gutter)); margin-inline: auto; padding-inline: var(--fbd-gutter); }
.fbd-sec { padding-block: var(--fbd-section-y); }
.fbd-sec--tight { padding-top: 0; }
.fbd-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.fbd-skip { position: absolute; left: 16px; top: -60px; z-index: 50; background: var(--fbd-surface); padding: 10px 16px; border-radius: var(--fbd-radius); }
.fbd-skip:focus { top: 12px; }

/* ── Type scale ── */
.fbd-h2 { font-size: 36px; font-weight: 500; margin-bottom: 16px; }
.fbd-lede { color: var(--fbd-text-soft); max-width: 68ch; }
@media (max-width: 767px) { .fbd-h2 { font-size: 28px; } }

/* ── Buttons & links ── */
.fbd-btn {
  display: inline-block; background: var(--fbd-cta); color: var(--fbd-cta-text);
  font: 600 15px/1 var(--fbd-font-body); padding: 14px 28px; border-radius: var(--fbd-radius-pill);
  text-decoration: none; white-space: nowrap; transition: background-color .15s ease;
}
.fbd-btn:hover, .fbd-btn:active { background: var(--fbd-cta-hover); }
.fbd-btn--full { display: block; text-align: center; }
.fbd-link { color: var(--fbd-link); text-decoration: underline; text-decoration-color: var(--fbd-link-line); text-decoration-thickness: 2px; text-underline-offset: 4px; transition: color .15s ease; }
.fbd-link:hover { color: var(--fbd-cta); }

/* ── Stars (partial fill via --fbd-fill) ── */
.fbd-stars {
  display: inline-block; font-size: 16px; letter-spacing: 2px; line-height: 1;
  background: linear-gradient(90deg, var(--fbd-star) var(--fbd-fill, 100%), var(--fbd-border) var(--fbd-fill, 100%));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.fbd-stars--lg { font-size: 22px; }

/* ── Header ── */
.fbd-hdr { position: sticky; top: 0; z-index: 20; background: var(--fbd-header-bg); border-bottom: 1px solid var(--fbd-border); }
.fbd-hdr__wrap { height: var(--fbd-hdr-h); display: flex; align-items: center; gap: 32px; }
.fbd-hdr__logo { display: block; margin-right: auto; }
.fbd-hdr__logo-img { height: 32px; width: auto; }
.fbd-hdr__nav { display: flex; gap: 28px; }
.fbd-hdr__link { font-size: 15px; text-decoration: none; transition: color .15s ease; }
.fbd-hdr__link:hover { color: var(--fbd-cta); }
.fbd-hdr__actions { display: flex; align-items: center; gap: 12px; }
.fbd-hdr__shop { padding: 12px 22px; }
.fbd-hdr__menu { display: none; position: relative; }
.fbd-hdr__burger { list-style: none; width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; cursor: pointer; border-radius: var(--fbd-radius); }
.fbd-hdr__burger::-webkit-details-marker { display: none; }
.fbd-hdr__burger span { display: block; width: 22px; height: 2px; background: var(--fbd-text); transition: transform .15s ease, opacity .15s ease; }
.fbd-hdr__menu[open] .fbd-hdr__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.fbd-hdr__menu[open] .fbd-hdr__burger span:nth-child(2) { opacity: 0; }
.fbd-hdr__menu[open] .fbd-hdr__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.fbd-hdr__drawer {
  position: absolute; right: 0; top: calc(100% + 14px); width: min(280px, calc(100vw - 32px));
  background: var(--fbd-surface); border: 1px solid var(--fbd-border); border-radius: var(--fbd-radius);
  padding: 8px 0; display: grid;
}
.fbd-hdr__drawer a { padding: 12px 20px; text-decoration: none; font-size: 16px; }
.fbd-hdr__drawer a:hover { color: var(--fbd-cta); }
@media (max-width: 899px) {
  .fbd-hdr__nav { display: none; }
  .fbd-hdr__menu { display: block; }
}
@media (max-width: 380px) { .fbd-hdr__shop { padding: 11px 16px; font-size: 14px; } }

/* ── 1 · Hero ── */
.fbd-hero { padding-block: 64px var(--fbd-section-y); }
.fbd-hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.fbd-hero__title { font-size: 52px; }
.fbd-hero__sub { font-size: 19px; color: var(--fbd-text-soft); margin: 20px 0 28px; max-width: 34ch; }
.fbd-hero__ctas { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.fbd-hero__rating { margin-top: 24px; font-size: 14px; color: var(--fbd-text-soft); display: flex; align-items: center; gap: 10px; }
.fbd-hero__panel { background: var(--fbd-surface); border-radius: var(--fbd-radius); aspect-ratio: 1 / 1; overflow: hidden; }
.fbd-hero__panel img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 767px) {
  .fbd-hero { padding-top: 32px; }
  .fbd-hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .fbd-hero__title { font-size: 36px; }
  .fbd-hero__sub { font-size: 17px; }
}

/* ── 2 · Fact strip ── */
.fbd-facts__row { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--fbd-border); }
.fbd-facts__cell { padding: 28px 24px; border-left: 1px solid var(--fbd-border); display: flex; flex-direction: column; gap: 8px; }
.fbd-facts__cell:first-child { border-left: 0; padding-left: 0; }
.fbd-facts__fig { font: 600 34px/1 var(--fbd-font-head); font-variant-numeric: tabular-nums; }
.fbd-facts__fig small { font-size: 16px; font-weight: 500; margin-left: 4px; }
.fbd-facts__lab { font-size: 14px; color: var(--fbd-text-soft); }
@media (max-width: 767px) {
  .fbd-facts__row { grid-template-columns: 1fr 1fr; }
  .fbd-facts__cell { padding: 20px 16px 20px 0; border-left: 0; }
  .fbd-facts__cell:nth-child(-n+2) { border-bottom: 1px solid var(--fbd-border); }
  .fbd-facts__cell:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--fbd-border); }
  .fbd-facts__fig { font-size: 28px; }
}

/* ── 3 · Plates (product cards) ── */
.fbd-plates__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--fbd-gap); margin-top: 40px; }
.fbd-plate {
  background: var(--fbd-card-bg); border: 1px solid var(--fbd-border); border-radius: var(--fbd-radius);
  padding: 24px; display: flex; flex-direction: column; gap: 12px; transition: border-color .15s ease;
}
.fbd-plate:hover { border-color: var(--fbd-cta); }
.fbd-plate__well { aspect-ratio: 1 / 1; background: var(--fbd-card-bg); border-radius: var(--fbd-radius); padding: 24px; }
.fbd-plate__well img { width: 100%; height: 100%; object-fit: contain; }
.fbd-plate__tag { font-size: 14px; color: var(--fbd-text-soft); }
.fbd-plate__name { font-size: 22px; }
.fbd-plate__desc { color: var(--fbd-text-soft); font-size: 16px; }
.fbd-plate__specs { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--fbd-border); padding-top: 14px; margin: auto 0 8px; }
.fbd-plate__specs div { display: flex; flex-direction: column-reverse; gap: 2px; }
.fbd-plate__specs dt { font-size: 13px; color: var(--fbd-text-soft); }
.fbd-fig { font: 600 20px/1.2 var(--fbd-font-body); font-variant-numeric: tabular-nums; }
.fbd-fig small { font-size: 14px; font-weight: 400; margin-left: 3px; color: var(--fbd-text-soft); }
@media (max-width: 767px) {
  .fbd-plates__grid { grid-template-columns: 1fr; }
  .fbd-plate__name { font-size: 20px; }
}

/* ── 4 · Benefits (two columns, no card borders) ── */
.fbd-ben { padding-top: 0; }
.fbd-ben__cols { display: grid; grid-template-columns: 1fr 1fr; margin-top: 40px; }
.fbd-ben__col { padding-right: 48px; display: flex; flex-direction: column; align-items: flex-start; }
.fbd-ben__col + .fbd-ben__col { padding: 0 0 0 48px; border-left: 1px solid var(--fbd-border); }
.fbd-ben__head { display: flex; align-items: center; gap: 20px; margin-bottom: 16px; }
.fbd-ben__thumb { width: 96px; flex: none; aspect-ratio: 1 / 1; background: var(--fbd-card-bg); border-radius: var(--fbd-radius); padding: 8px; }
.fbd-ben__thumb img { width: 100%; height: 100%; object-fit: contain; }
.fbd-ben__name { font-size: 22px; }
.fbd-ben__list { display: grid; gap: 14px; margin-bottom: 28px; }
.fbd-ben__list li { position: relative; padding-left: 20px; }
.fbd-ben__list li::before { content: ""; position: absolute; left: 0; top: .8em; width: 9px; height: 2px; background: var(--fbd-accent); }
.fbd-ben__list b { font-weight: 600; }
.fbd-ben__col .fbd-btn { margin-top: auto; }
@media (max-width: 767px) {
  .fbd-ben__cols { grid-template-columns: 1fr; }
  .fbd-ben__col { padding: 0 0 32px; }
  .fbd-ben__col + .fbd-ben__col { padding: 32px 0 0; border-left: 0; border-top: 1px solid var(--fbd-border); }
  .fbd-ben__name { font-size: 20px; }
}

/* ── 5 · Functions + video ── */
.fbd-how__panel { background: var(--fbd-surface); border-radius: var(--fbd-radius); padding: 40px; display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: start; }
.fbd-how__vid { position: sticky; top: calc(var(--fbd-hdr-h) + 24px); }
.fbd-how__frame { aspect-ratio: 16 / 9; border-radius: var(--fbd-radius); overflow: hidden; background: var(--fbd-text); }
.fbd-how__frame iframe { width: 100%; height: 100%; border: 0; }
.fbd-how__cap { font-size: 14px; color: var(--fbd-text-soft); margin-top: 12px; }
.fbd-how__name { font-size: 18px; margin: 28px 0 12px; }
.fbd-how__text .fbd-h2 + .fbd-how__name { margin-top: 8px; }
.fbd-how__list { display: grid; gap: 14px; }
.fbd-how__list div { border-top: 1px solid var(--fbd-border); padding-top: 12px; }
.fbd-how__list dt { font-weight: 600; }
.fbd-how__list dd { color: var(--fbd-text-soft); font-size: 15px; margin-top: 2px; }
@media (max-width: 899px) {
  .fbd-how__panel { grid-template-columns: 1fr; padding: 24px; gap: 32px; }
  .fbd-how__vid { position: static; }
}

/* ── 6 · Comparison band ── */
.fbd-band { background: var(--fbd-band); color: var(--fbd-band-text); border-top: 3px solid var(--fbd-band-hi); padding-block: var(--fbd-section-y); }
.fbd-band .fbd-h2 { color: #FFFFFF; }
.fbd-cmp { width: 100%; border-collapse: collapse; margin-top: 32px; font-size: 15px; table-layout: fixed; }
.fbd-cmp th, .fbd-cmp td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--fbd-band-line); }
.fbd-cmp tbody th { width: 22%; color: var(--fbd-band-soft); font-weight: 400; }
.fbd-cmp tbody td { font-variant-numeric: tabular-nums; }
.fbd-cmp thead th, .fbd-cmp thead td { vertical-align: bottom; padding-bottom: 20px; }
.fbd-cmp__img { width: 120px; aspect-ratio: 1 / 1; background: var(--fbd-card-bg); border-radius: var(--fbd-radius); padding: 10px; margin-bottom: 14px; }
.fbd-cmp__img img { width: 100%; height: 100%; object-fit: contain; }
.fbd-cmp__name { display: block; font: 600 18px/1.2 var(--fbd-font-head); color: #FFFFFF; margin-bottom: 14px; }
@media (max-width: 767px) {
  .fbd-cmp { font-size: 13px; }
  .fbd-cmp th, .fbd-cmp td { padding: 10px 8px; }
  .fbd-cmp tbody th { width: 28%; }
  .fbd-cmp__img { display: none; }
  .fbd-cmp thead .fbd-btn { padding: 11px 14px; font-size: 13px; }
}

/* ── 7 · Reviews (aggregated) ── */
.fbd-rev__grid { display: grid; grid-template-columns: 4fr 8fr; gap: 48px; align-items: start; }
.fbd-rev__score { font: 600 64px/1 var(--fbd-font-head); font-variant-numeric: tabular-nums; margin: 12px 0 8px; }
.fbd-rev__text { color: var(--fbd-text-soft); margin-top: 16px; }
.fbd-rev__cards { display: grid; grid-template-columns: 1fr 1fr; gap: var(--fbd-gap); }
.fbd-rev__card { background: var(--fbd-card-bg); border: 1px solid var(--fbd-border); border-radius: var(--fbd-radius); padding: 24px; }
.fbd-rev__title { font-size: 18px; margin-bottom: 8px; }
.fbd-rev__card .fbd-stars { margin-bottom: 10px; font-size: 15px; }
.fbd-rev__card p { font-size: 15px; color: var(--fbd-text-soft); }
@media (max-width: 899px) { .fbd-rev__grid { grid-template-columns: 1fr; gap: 32px; } }
@media (max-width: 599px) { .fbd-rev__cards { grid-template-columns: 1fr; } }

/* ── 8 · FAQ (home panel + /faq page) ── */
.fbd-faq { background: var(--fbd-surface); border-radius: var(--fbd-radius); padding: 40px; }
.fbd-faq__item { border-top: 1px solid var(--fbd-border); padding: 18px 0; }
.fbd-faq__item:last-of-type { border-bottom: 1px solid var(--fbd-border); }
.fbd-faq__item summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.fbd-faq__item summary::-webkit-details-marker { display: none; }
.fbd-faq__item summary::after { content: "+"; color: var(--fbd-cta); font-weight: 600; flex: none; }
.fbd-faq__item[open] summary::after { content: "\2212"; }
.fbd-faq__item p { margin-top: 10px; color: var(--fbd-text-soft); max-width: 68ch; }
.fbd-faq__more { margin-top: 20px; }
@media (max-width: 767px) { .fbd-faq { padding: 24px; } }

/* ── General pages ── */
.fbd-doc { padding-block: 64px var(--fbd-section-y); }
.fbd-doc__body { background: var(--fbd-surface); border-radius: var(--fbd-radius); padding: 48px; }
.fbd-doc__body > * { max-width: 68ch; }
.fbd-doc__title { font-size: 44px; margin-bottom: 20px; }
.fbd-doc__meta { font-size: 14px; color: var(--fbd-text-soft); margin-bottom: 28px; }
.fbd-doc__body h2 { font-size: 22px; font-weight: 600; margin: 32px 0 10px; }
.fbd-doc__body p + p, .fbd-doc__body ul + p { margin-top: 14px; }
.fbd-doc__body ul { list-style: disc; padding-left: 22px; margin-top: 10px; display: grid; gap: 6px; }
.fbd-doc__body a { text-decoration-color: var(--fbd-link-line); text-underline-offset: 3px; }
.fbd-doc__body .fbd-faq__item:first-of-type { margin-top: 8px; }
.fbd-doc__plates { margin-top: 48px; }
.fbd-doc__plates .fbd-plates__grid { margin-top: 24px; }
@media (max-width: 767px) {
  .fbd-doc { padding-top: 32px; }
  .fbd-doc__body { padding: 24px; }
  .fbd-doc__title { font-size: 34px; }
}

/* ── Footer ── */
.fbd-ft { background: var(--fbd-footer-bg); border-top: 1px solid var(--fbd-border); padding: 64px 0 40px; }
.fbd-ft__cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.fbd-ft__logo { display: inline-block; }
.fbd-ft__logo-img { height: 32px; width: auto; }
.fbd-ft__tagline { font-size: 15px; color: var(--fbd-text-soft); margin-top: 14px; max-width: 36ch; }
.fbd-ft__heading { font: 600 14px/1 var(--fbd-font-body); margin-bottom: 14px; }
.fbd-ft__links { display: grid; gap: 8px; font-size: 15px; }
.fbd-ft__links a { text-decoration: none; transition: color .15s ease; }
.fbd-ft__links a:hover { color: var(--fbd-cta); }
.fbd-ft__bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--fbd-border); font-size: 13px; color: var(--fbd-text-soft); display: grid; gap: 8px; }
.fbd-ft__disclosure strong { font-weight: 600; }
@media (max-width: 767px) {
  .fbd-ft { padding-top: 48px; }
  .fbd-ft__cols { grid-template-columns: 1fr 1fr; }
  .fbd-ft__col--brand { grid-column: 1 / -1; }
}