/* Buyers page (/buyers.html) — buyer consultation landing page.
   Built on the site's brand system (style.css): Ink / Paper / Bone, Volt accent,
   Archivo display + Space Mono labels, hard edges, no shadows. Everything here
   is scoped with the by- prefix so no other page is affected. */

/* ---------- hero + consultation form ---------- */
.by-hero { background: var(--ink); color: var(--paper); padding: clamp(2.2rem, 4.2vw, 3.8rem) var(--pad) clamp(3rem, 6vw, 5.5rem); }
.by-hero-inner { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 440px); gap: clamp(2rem, 4.5vw, 4rem); align-items: start; }
.by-hero-copy { padding-top: clamp(.4rem, 2.2vw, 2.2rem); min-width: 0; }
.by-hero .eyebrow { color: var(--volt); }
.by-hero h1 { margin-top: 1.3rem; font-family: var(--sans); font-stretch: 125%; font-weight: 900; text-transform: uppercase; letter-spacing: -.025em; line-height: 1; font-size: clamp(1.5rem, 2.55vw, 2.2rem); }
.by-hero h1 span { display: block; }
@media (min-width: 1180px) { .by-hero h1 span { white-space: nowrap; } }
.by-hero h1 span + span { margin-top: .16em; }
.by-hero h1 i { font-style: normal; color: var(--volt); }
.by-sub { margin-top: 1.6rem; max-width: 54ch; color: var(--muted-light); font-size: 1.04rem; line-height: 1.7; }
.by-hero .by-cta { margin-top: 2rem; }
.by-trust { list-style: none; margin-top: clamp(2rem, 4vw, 3.2rem); padding-top: 1.5rem; border-top: 1px solid var(--line-light); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.4rem; }
.by-trust li { font-family: var(--mono); font-size: .64rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted-light); line-height: 1.55; }
.by-trust b { display: block; font-family: var(--sans); font-stretch: 125%; font-weight: 900; font-size: 1.5rem; letter-spacing: -.02em; line-height: 1; color: var(--paper); margin-bottom: .5rem; }

.by-form-wrap { background: var(--paper); color: var(--ink); padding: clamp(1.5rem, 2.6vw, 2.3rem); scroll-margin-top: 96px; min-width: 0; }
.by-form h2, .by-success h2 { font-family: var(--sans); font-stretch: 125%; font-weight: 900; text-transform: uppercase; letter-spacing: -.02em; line-height: 1.05; font-size: clamp(1.15rem, 1.7vw, 1.4rem); }
.by-form-lede { margin-top: .6rem; color: var(--muted); font-size: .92rem; line-height: 1.55; }
.by-form .form-grid { margin-top: 1.3rem; gap: .9rem; }
.by-form .field input, .by-form .field select { min-height: 48px; font-size: 1rem; }
.by-form fieldset { border: 0; padding: 0; margin: 1.1rem 0 0; min-width: 0; }
.by-form legend, .by-label { display: block; padding: 0; font-family: var(--mono); font-size: .62rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .5rem; }
.by-opt { font-weight: 400; letter-spacing: .08em; color: var(--muted); margin-left: .4rem; }
.by-chips { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.by-chip { position: relative; display: flex; align-items: center; justify-content: center; min-height: 46px; padding: .5rem .7rem; border: 1px solid var(--line-strong); background: var(--paper); cursor: pointer; font-family: var(--mono); font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; text-align: center; line-height: 1.3; }
.by-chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.by-chip:hover { border-color: var(--ink); }
.by-chip:has(input:checked) { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.by-chip:has(input:focus-visible) { outline: 2px solid var(--cobalt); outline-offset: 2px; }
.by-situation { margin-top: 1.1rem; }
.by-err { margin: .4rem 0 0; font-family: var(--mono); font-size: .66rem; font-weight: 700; letter-spacing: .04em; color: #b3261e; }
.by-form .has-error input, .by-form .has-error select { border-color: #b3261e; }
.by-form .has-error .by-chips { outline: 1px solid #b3261e; outline-offset: 5px; }
.by-banner { margin-top: 1rem; padding: .8rem 1rem; border: 1px solid #b3261e; color: #b3261e; font-size: .9rem; line-height: 1.5; }
.by-submit { margin-top: 1.4rem; width: 100%; justify-content: center; min-height: 54px; }
.by-submit[disabled] { opacity: .65; cursor: progress; }
.by-reassure { margin-top: .9rem; font-size: .9rem; line-height: 1.5; color: var(--ink); text-align: center; }
.by-form .form-disc { margin-top: .8rem; max-width: none; text-align: center; }
.by-hp { position: absolute !important; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.by-success { padding: clamp(.6rem, 2vw, 1.4rem) 0; }
.by-success:focus { outline: none; }
.by-success .eyebrow { color: var(--volt-deep); }
.by-success h2 { margin-top: .8rem; font-size: clamp(1.3rem, 2vw, 1.7rem); }
.by-success p { margin-top: 1rem; color: var(--muted); line-height: 1.65; }
.by-success a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- shared section rhythm ---------- */
.by-section { padding: clamp(4.5rem, 9vw, 8rem) var(--pad); }
.by-inner { max-width: var(--max); margin: 0 auto; }
.by-head { max-width: 60rem; }
.by-head .eyebrow { color: var(--cobalt); }
.by-h2 { margin-top: 1.1rem; font-family: var(--sans); font-stretch: 125%; font-weight: 900; text-transform: uppercase; letter-spacing: -.025em; line-height: 1.02; font-size: clamp(1.6rem, 3.4vw, 2.8rem); text-wrap: balance; }
@media (min-width: 900px) { .by-br { display: block; } }
.by-lede { margin-top: 1.4rem; max-width: 58ch; color: var(--muted); font-size: 1.05rem; line-height: 1.7; }
.by-link { font-family: var(--mono); font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.by-link:hover { color: var(--volt-deep); }
.by-link:focus-visible, .by-sticky a:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; }

/* ---------- section 2: trust ---------- */
.by-stats { margin-top: clamp(2.4rem, 5vw, 4rem); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.by-stat { padding: clamp(1.6rem, 3vw, 2.4rem) clamp(1rem, 2.4vw, 2rem) clamp(1.6rem, 3vw, 2.4rem) 0; }
.by-stat + .by-stat { border-left: 1px solid var(--line); padding-left: clamp(1rem, 2.4vw, 2rem); }
.by-stat .v { font-family: var(--sans); font-stretch: 125%; font-weight: 900; letter-spacing: -.03em; line-height: 1; font-size: clamp(2.2rem, 5.2vw, 4.2rem); font-variant-numeric: tabular-nums; }
.by-stat .v span { color: var(--volt); }
.by-stat .l { margin-top: .8rem; font-family: var(--mono); font-size: .66rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.by-proof { margin-top: clamp(2.4rem, 5vw, 4rem); display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: clamp(1.4rem, 3.5vw, 3rem); align-items: start; max-width: 56rem; }
.by-proof img { width: 132px; height: 165px; object-fit: cover; object-position: center top; }
.by-proof blockquote { font-size: clamp(1.05rem, 1.5vw, 1.22rem); line-height: 1.65; color: var(--ink); }
.by-proof cite { display: block; margin-top: 1rem; font-style: normal; font-family: var(--mono); font-size: .66rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.by-rank { margin-top: 1.4rem; padding-top: 1.1rem; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); line-height: 1.7; }
.by-rank b { color: var(--ink); }

/* ---------- section 3: buyer advantage ---------- */
.by-adv { background: var(--bone); }
.by-cols { margin-top: clamp(2.4rem, 5vw, 4rem); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.8rem, 4vw, 3.5rem); }
.by-col svg { width: 34px; height: 34px; stroke: var(--ink); fill: none; stroke-width: 1.5; stroke-linecap: square; }
.by-col h3 { margin-top: 1.3rem; font-family: var(--sans); font-stretch: 112%; font-weight: 800; font-size: 1.12rem; letter-spacing: -.01em; line-height: 1.25; }
.by-col p { margin-top: .8rem; color: var(--muted); line-height: 1.7; }
.by-adv-foot { margin-top: clamp(2.4rem, 5vw, 3.6rem); display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 2.2rem; }
.by-adv-foot .by-links { display: flex; flex-wrap: wrap; gap: .8rem 1.8rem; }

/* ---------- section 4: process ---------- */
.by-steps { list-style: none; margin-top: clamp(2.4rem, 5vw, 4rem); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1.4rem, 3vw, 2.6rem); counter-reset: step; }
.by-step { position: relative; padding-top: 1.6rem; border-top: 1px solid var(--ink); }
.by-step::before { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; background: var(--volt); }
.by-step .n { font-family: var(--mono); font-size: .66rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cobalt); }
.by-step h3 { margin-top: .7rem; font-family: var(--sans); font-stretch: 125%; font-weight: 900; text-transform: uppercase; letter-spacing: -.01em; font-size: 1.15rem; line-height: 1.1; }
.by-step p { margin-top: .8rem; color: var(--muted); line-height: 1.65; font-size: .97rem; }
.by-process-foot { margin-top: clamp(2rem, 4vw, 3rem); }

/* ---------- section 5: final call to action ---------- */
.by-final { position: relative; background: var(--ink); color: var(--paper); padding: clamp(5rem, 11vw, 9rem) var(--pad); overflow: hidden; }
.by-final picture, .by-final picture img { position: absolute; inset: 0; width: 100%; height: 100%; }
.by-final picture img { object-fit: cover; object-position: center 60%; opacity: .32; }
.by-final::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17,18,20,.94) 0%, rgba(17,18,20,.72) 55%, rgba(17,18,20,.45) 100%); }
.by-final .by-inner { position: relative; z-index: 2; }
.by-final .by-h2 { max-width: 20ch; }
.by-final .by-lede { color: var(--muted-light); }
.by-final-actions { margin-top: 2.2rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 2rem; }
.by-final .by-link { color: var(--paper); background: none; border-top: 0; border-left: 0; border-right: 0; cursor: pointer; }
.by-final .by-link:hover { color: var(--volt); }

/* ---------- mobile sticky consultation button ---------- */
.by-sticky { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .by-hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .by-hero-copy { padding-top: 0; }
  .by-hero h1 { font-size: clamp(1.3rem, 6.1vw, 2.6rem); }
  .by-trust { display: none; }               /* the same proof follows in the next section; keeps the form high on the page */
  .by-hero .by-cta { margin-top: 1.5rem; width: 100%; justify-content: center; }
  .by-sub { margin-top: 1.2rem; font-size: 1rem; }
  .by-steps { grid-template-columns: 1fr 1fr; row-gap: 2.4rem; }
}
@media (max-width: 720px) {
  .by-stats { grid-template-columns: 1fr; border-bottom: 0; }
  .by-stat, .by-stat + .by-stat { padding: 1.4rem 0; border-left: 0; border-bottom: 1px solid var(--line); display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
  .by-stat .l { margin-top: 0; text-align: right; }
  .by-cols { grid-template-columns: 1fr; gap: 2.4rem; }
  .by-steps { grid-template-columns: 1fr; row-gap: 2rem; }
  .by-proof { grid-template-columns: 84px minmax(0, 1fr); gap: 1.1rem; }
  .by-proof img { width: 84px; height: 105px; }
  .by-adv-foot .btn, .by-final-actions .btn { width: 100%; justify-content: center; }
  .by-form .form-grid { grid-template-columns: 1fr; }

}
@media (max-width: 960px) {
  .by-sticky { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; padding: .7rem max(1rem, env(safe-area-inset-right, 0px)) calc(.7rem + env(safe-area-inset-bottom, 0px)) max(1rem, env(safe-area-inset-left, 0px)); background: var(--ink); border-top: 1px solid var(--line-light); transform: translateY(110%); transition: transform .25s ease; }
  .by-sticky.on { transform: none; }
  .by-sticky a { display: flex; align-items: center; justify-content: center; min-height: 48px; background: var(--volt); color: var(--ink); font-family: var(--mono); font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
  body.by-has-sticky .footer { padding-bottom: calc(5.2rem + env(safe-area-inset-bottom, 0px)); }
}
@media (prefers-reduced-motion: reduce) {
  .by-sticky { transition: none; }
  html { scroll-behavior: auto; }
}