.landing-shell { display: grid; gap: 18px; }

.landing-hero,
.landing-section,
.landing-cta {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.landing-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .7fr);
  gap: 28px;
  overflow: hidden;
  padding: clamp(34px, 6vw, 76px);
  background:
    radial-gradient(circle at 78% 12%, rgba(198, 146, 43, .16), transparent 27%),
    linear-gradient(135deg, #fffdf8 0%, #f7f3e9 56%, #eef3f5 100%);
}

.landing-hero::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 7px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent), #c6922b);
  content: "";
}

.landing-hero-copy { position: relative; z-index: 1; max-width: 760px; }
.landing-hero-copy h2 { max-width: 720px; margin-top: 14px; font-size: clamp(38px, 5.8vw, 72px); line-height: .99; }
.landing-hero-copy > p { max-width: 690px; margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 21px); line-height: 1.55; }
.landing-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.landing-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--accent-strong);
  border-radius: 999px;
  font-weight: 850;
  text-decoration: none;
}
.landing-button-primary { background: var(--accent-strong); color: #fff; }
.landing-button-primary:hover { background: var(--accent); }
.landing-button-secondary { background: rgba(255,255,255,.72); color: var(--accent-strong); }
.landing-button-secondary:hover { background: #fff; }

.landing-hero-aside {
  position: relative;
  z-index: 1;
  align-self: end;
  display: grid;
  gap: 13px;
  padding: 25px;
  border: 1px solid rgba(23, 47, 69, .14);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(14px);
}
.landing-aside-label { color: #9a6d15; font-size: 11px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.landing-hero-aside strong { padding-bottom: 11px; border-bottom: 1px solid var(--line); font-size: 16px; line-height: 1.35; }
.landing-hero-aside p { margin: 4px 0 0; color: var(--muted); line-height: 1.5; }

.landing-section { padding: clamp(26px, 4vw, 46px); }
.landing-section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.landing-section-head > p { max-width: 580px; margin: 0; color: var(--muted); line-height: 1.6; }
.landing-section-head-reading { align-items: start; }
.landing-text-link { color: var(--accent-strong); font-weight: 800; text-underline-offset: 4px; }

.landing-metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.landing-metric-grid article { display: grid; gap: 6px; padding: 20px; border-top: 3px solid var(--accent); border-radius: var(--radius-md); background: #f7f9fa; }
.landing-metric-grid span { color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.landing-metric-grid strong { font-size: clamp(28px, 4vw, 46px); letter-spacing: -.04em; }
.landing-metric-grid small { color: var(--quiet); font-size: 12px; }

.landing-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.landing-feature-grid article { min-height: 240px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: linear-gradient(155deg, #fff 0%, #f7f8f8 100%); }
.landing-feature-grid article > span { color: #b17f20; font-size: 13px; font-weight: 900; }
.landing-feature-grid h3 { margin: 54px 0 12px; font-size: 22px; letter-spacing: -.03em; }
.landing-feature-grid p { margin: 0; color: var(--muted); line-height: 1.65; }

.landing-role-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.landing-role-card { display: grid; align-content: start; min-height: 360px; padding: clamp(24px, 3vw, 34px); border: 1px solid var(--line); border-top: 4px solid var(--accent); border-radius: var(--radius-lg); background: linear-gradient(155deg, #fff 0%, #f6f8f9 100%); }
.landing-role-card > span { color: #9a6d15; font-size: 11px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.landing-role-card h3 { margin: 24px 0 14px; font-size: clamp(25px, 3vw, 34px); letter-spacing: -.035em; }
.landing-role-card ul { display: grid; gap: 11px; margin: 0 0 28px; padding-left: 20px; color: var(--muted); line-height: 1.55; }
.landing-role-card .landing-button { align-self: end; justify-self: start; margin-top: auto; }
.landing-platform-hero { background: linear-gradient(135deg, #f7f1e3 0%, #edf3f6 58%, #f7f9fa 100%); }
.buyer-product-hero { background: linear-gradient(135deg, #edf3f6 0%, #f7f4ea 58%, #f7f9fa 100%); }
.landing-platform-cta .landing-actions { margin-top: 0; }

.landing-change-list { display: grid; }
.landing-change-item { display: grid; grid-template-columns: 110px minmax(0, 1fr) minmax(170px, .45fr) 155px; gap: 18px; align-items: center; padding: 17px 0; border-top: 1px solid var(--line); }
.landing-change-item:last-child { border-bottom: 1px solid var(--line); }
.landing-change-item > a { color: var(--ink); font-weight: 850; line-height: 1.4; text-decoration: none; }
.landing-change-item > a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.landing-change-kind { width: fit-content; padding: 5px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); font-size: 10px; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.landing-change-kind-new { background: #eef6e9; color: #3f6d38; }
.landing-change-buyer, .landing-change-item time { color: var(--muted); font-size: 12px; line-height: 1.4; }
.landing-change-item time { text-align: right; }
.landing-empty { margin: 0; padding: 24px; border-radius: var(--radius-md); background: #f7f9fa; color: var(--muted); }

.landing-methodology { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(290px, .6fr); gap: 46px; background: linear-gradient(135deg, #172f45, #27445d); color: #fff; }
.landing-methodology .panel-kicker, .landing-methodology a { color: #e3c47a; }
.landing-methodology h2 { margin-bottom: 20px; }
.landing-methodology-copy > p { max-width: 780px; color: rgba(255,255,255,.76); font-size: 16px; line-height: 1.7; }
.landing-source-note { padding-top: 18px; border-top: 1px solid rgba(255,255,255,.16); }
.landing-audience { padding: 24px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-lg); background: rgba(255,255,255,.07); }
.landing-audience ul { display: grid; gap: 0; margin: 14px 0 0; padding: 0; list-style: none; }
.landing-audience li { display: grid; gap: 4px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.13); }
.landing-audience li span { color: rgba(255,255,255,.66); font-size: 13px; line-height: 1.4; }

.landing-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: clamp(26px, 4vw, 44px); }
.landing-cta h2 { margin-top: 8px; }

@media (max-width: 960px) {
  .landing-hero, .landing-methodology { grid-template-columns: 1fr; }
  .landing-hero-aside { align-self: stretch; }
  .landing-metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .landing-change-item { grid-template-columns: 100px minmax(0, 1fr); gap: 8px 16px; }
  .landing-change-buyer { grid-column: 2; }
  .landing-change-item time { grid-column: 2; text-align: left; }
}

@media (max-width: 700px) {
  .landing-hero { padding: 34px 24px; }
  .landing-hero-copy h2 { font-size: clamp(38px, 12vw, 54px); }
  .landing-section-head, .landing-cta { align-items: stretch; flex-direction: column; }
  .landing-feature-grid, .landing-metric-grid, .landing-role-grid { grid-template-columns: 1fr; }
  .landing-feature-grid article { min-height: 0; }
  .landing-feature-grid h3 { margin-top: 28px; }
  .landing-change-item { grid-template-columns: 1fr; }
  .landing-change-buyer, .landing-change-item time { grid-column: 1; }
  .landing-cta .landing-button { width: 100%; }
}

.supplier-guide-shell { counter-reset: supplier-step; }
.supplier-guide-hero { background: radial-gradient(circle at 82% 14%, rgba(50, 107, 153, .18), transparent 28%), linear-gradient(135deg, #fffdf8 0%, #f5f8fb 58%, #eef3f5 100%); }
.supplier-guide-cards article { min-height: 260px; }
.supplier-guide-flow { overflow: hidden; }
.supplier-flow-steps { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none; }
.supplier-flow-steps li { position: relative; display: grid; align-content: start; gap: 10px; min-height: 230px; padding: 22px 16px 18px; border: 1px solid var(--line); border-left: 0; background: linear-gradient(180deg, #fff 0%, #f7f9fa 100%); }
.supplier-flow-steps li:first-child { border-left: 1px solid var(--line); border-radius: var(--radius-md) 0 0 var(--radius-md); }
.supplier-flow-steps li:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.supplier-flow-steps li::after { position: absolute; top: 32px; right: -10px; z-index: 2; width: 20px; height: 20px; border-top: 1px solid var(--line); border-right: 1px solid var(--line); background: #fff; transform: rotate(45deg); content: ""; }
.supplier-flow-steps li:last-child::after { content: none; }
.supplier-flow-steps span { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 999px; background: var(--accent-strong); color: #fff; font-weight: 900; }
.supplier-flow-steps strong { font-size: 18px; }
.supplier-flow-steps p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.supplier-check-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.supplier-check-grid article { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #f7f9fa; }
.supplier-check-grid h3 { margin: 0 0 14px; font-size: 19px; }
.supplier-check-grid ul, .supplier-source-list { margin: 0; padding-left: 19px; }
.supplier-check-grid li { margin: 10px 0; color: var(--muted); line-height: 1.55; }
.supplier-sources { background: linear-gradient(135deg, #172f45, #27445d); color: #fff; }
.supplier-sources .panel-kicker, .supplier-sources a { color: #e3c47a; }
.supplier-sources .landing-section-head > p { color: rgba(255,255,255,.72); }
.supplier-source-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 24px; padding-left: 0; list-style: none; }
.supplier-source-list li { display: grid; gap: 6px; padding: 16px; border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-md); background: rgba(255,255,255,.07); }
.supplier-source-list a { font-weight: 850; }
.supplier-source-list span { color: rgba(255,255,255,.70); line-height: 1.5; }
.supplier-template-links { margin-top: 18px; }
.supplier-template-links li { border-color: var(--line); background: #fff; }
.supplier-template-links a { color: var(--accent-strong); }
.supplier-template-links span { color: var(--muted); }
@media (max-width: 1100px) { .supplier-flow-steps, .supplier-check-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .supplier-flow-steps li, .supplier-flow-steps li:first-child, .supplier-flow-steps li:last-child { border: 1px solid var(--line); border-radius: var(--radius-md); } .supplier-flow-steps li::after { content: none; } }
@media (max-width: 700px) { .supplier-flow-steps, .supplier-check-grid, .supplier-source-list { grid-template-columns: 1fr; } .supplier-guide-cards article { min-height: 0; } }