:root {
  --pe-navy: #031321;
  --pe-navy-2: #071b2b;
  --pe-ink: #091632;
  --pe-slate: #42526b;
  --pe-muted: #64748b;
  --pe-line: #dce5ea;
  --pe-soft: #f8fafc;
  --pe-teal: #00b9b0;
  --pe-teal-2: #17d3c4;
  --pe-gold: #b8872f;
  --pe-card: #ffffff;
  --pe-shadow: 0 18px 48px rgba(9, 22, 50, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  font-family: Outfit, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--pe-ink);
  background:
    radial-gradient(circle at 82% 8%, rgba(0,185,176,.12), transparent 26rem),
    linear-gradient(180deg, #fff 0%, var(--pe-soft) 48%, #fff 100%);
}
a { color: inherit; }
.pe-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 clamp(18px, 4vw, 60px);
  background: rgba(3, 19, 33, .96);
  border-bottom: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 10px 38px rgba(0,0,0,.14);
  backdrop-filter: blur(18px);
}
.pe-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -.03em;
}
.pe-mark {
  width: 44px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--pe-teal-2);
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  font-size: 15px;
}
.pe-brand span span { color: var(--pe-teal-2); }
.pe-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255,255,255,.78);
  font-size: 14px;
  font-weight: 700;
}
.pe-nav a { text-decoration: none; transition: color .2s ease; }
.pe-nav a:hover { color: #fff; }
.pe-nav .pe-nav-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  color: #041f2b;
  background: linear-gradient(135deg, var(--pe-teal-2), var(--pe-teal));
  border-radius: 9px;
}
.pe-container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.pe-hero {
  padding: clamp(64px, 8vw, 112px) 0 52px;
}
.pe-kicker {
  color: #0d9488;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2, h3 { color: var(--pe-ink); letter-spacing: -.035em; line-height: 1.06; }
h1 { max-width: 880px; margin: 14px 0 18px; font-size: clamp(42px, 7vw, 76px); }
h2 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 16px; }
h3 { font-size: 22px; margin: 0 0 10px; }
p { color: var(--pe-slate); line-height: 1.75; font-size: 17px; }
.pe-lede { max-width: 760px; font-size: 20px; color: #334155; }
.pe-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.pe-btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border-radius: 9px;
  border: 1px solid var(--pe-line);
  background: #fff;
  color: var(--pe-ink);
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.pe-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(9,22,50,.10); }
.pe-btn-primary { border-color: transparent; color: #042f2e; background: linear-gradient(135deg, var(--pe-teal-2), var(--pe-teal)); }
.pe-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}
.pe-section { padding: 64px 0; }
.pe-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pe-card, .pe-panel, .pe-article-card {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--pe-line);
  border-radius: 18px;
  box-shadow: var(--pe-shadow);
}
.pe-article-card {
  padding: 24px;
  display: flex;
  min-height: 310px;
  flex-direction: column;
  text-decoration: none;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.pe-article-card:hover { transform: translateY(-5px); border-color: rgba(0,185,176,.45); box-shadow: 0 24px 60px rgba(9,22,50,.12); }
.pe-tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 28px; }
.pe-tag, .pe-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid #c9e7e5;
  background: #f0fdfa;
  color: #0f766e;
  font-size: 12px;
  font-weight: 800;
}
.pe-filter {
  border: 1px solid var(--pe-line);
  background: #fff;
  color: var(--pe-slate);
  min-height: 40px;
  padding: 0 13px;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}
.pe-filter.is-active { background: var(--pe-navy); color: #fff; border-color: var(--pe-navy); }
.pe-article-card h3 { margin-top: 14px; }
.pe-article-card p { font-size: 15px; margin-bottom: 22px; }
.pe-card-footer { margin-top: auto; color: #0d9488; font-weight: 850; }
.pe-featured {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  padding: 28px;
  margin-top: 34px;
  background:
    radial-gradient(circle at 92% 12%, rgba(23,211,196,.18), transparent 18rem),
    linear-gradient(135deg, #061929, #092235);
  color: #fff;
}
.pe-featured h2, .pe-featured p { color: #fff; }
.pe-featured p { opacity: .76; }
.pe-featured .pe-tag { background: rgba(255,255,255,.08); color: #bffcf3; border-color: rgba(255,255,255,.14); }
.pe-feature-box {
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  padding: 18px;
  background: rgba(255,255,255,.08);
}
.pe-resource-cta, .pe-newsletter {
  padding: 28px;
  background: linear-gradient(180deg, #fff, #f4fdfd);
}
.pe-newsletter form { display: grid; gap: 10px; margin-top: 18px; }
.pe-newsletter input {
  min-height: 48px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  font: inherit;
}
.pe-form-note { display: none; color: #0f766e; font-weight: 800; font-size: 14px; }
.pe-sidebar { position: sticky; top: 98px; display: grid; gap: 18px; }
.pe-panel { padding: 22px; }
.pe-panel ul { padding-left: 20px; color: var(--pe-slate); line-height: 1.7; }
.pe-article {
  padding: 54px 0 72px;
}
.pe-article-header { max-width: 860px; margin: 0 auto 36px; }
.pe-article-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.pe-article-body {
  max-width: 800px;
  margin: 0 auto;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--pe-line);
  border-radius: 22px;
  padding: clamp(26px, 5vw, 54px);
  box-shadow: var(--pe-shadow);
}
.pe-article-body h2 { margin-top: 42px; }
.pe-article-body h3 { margin-top: 30px; }
.pe-article-body li { color: var(--pe-slate); line-height: 1.75; margin: 6px 0; }
.pe-article-body a { color: #0f766e; font-weight: 800; }
.pe-callout {
  margin: 28px 0;
  padding: 20px;
  border-radius: 16px;
  border: 1px solid #a7f3d0;
  background: #ecfdf5;
}
.pe-warning {
  border-color: #fde68a;
  background: #fffbeb;
}
.pe-example {
  border-left: 4px solid var(--pe-teal);
  padding: 14px 18px;
  background: #f8fafc;
  border-radius: 0 12px 12px 0;
}

/* Scannable prompt comparison and copy-ready article template */
.pe-prompt-compare { display: grid; gap: 14px; margin: 28px 0; }
.pe-prompt-example {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 20px;
  border: 1px solid;
  border-radius: 16px;
}
.pe-prompt-example strong { display: block; margin: 1px 0 5px; font-size: 1rem; }
.pe-prompt-example p { margin: 0; }
.pe-prompt-example--weak { color: #7f1d1d; background: #fff7f7; border-color: #fecaca; }
.pe-prompt-example--strong { color: #065f46; background: #f0fdf8; border-color: #a7f3d0; }
.pe-prompt-example--weak p, .pe-prompt-example--strong p { color: var(--pe-slate); }
.pe-prompt-status {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
}
.pe-prompt-status svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.7; stroke-linecap: round; stroke-linejoin: round; }
.pe-prompt-example--weak .pe-prompt-status { background: #fee2e2; }
.pe-prompt-example--strong .pe-prompt-status { background: #d1fae5; }
.pe-prompt-template {
  margin: 28px 0;
  overflow: hidden;
  border: 1px solid #99f6e4;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(15, 118, 110, .10);
}
.pe-prompt-template__header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
  color: #fff;
  background: #073b46;
}
.pe-prompt-template__header strong { display: block; font-size: 1rem; }
.pe-prompt-template__header span { display: block; margin-top: 4px; color: #ccfbf1; font-size: .82rem; }
.pe-prompt-template__header i { display: inline-block; width: 9px; height: 9px; margin-right: 6px; border-radius: 3px; background: #5eead4; }
.pe-copy-prompt {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 10px;
  padding: 10px 13px;
  color: #073b46;
  background: #fff;
  font: inherit;
  font-size: .86rem;
  font-weight: 800;
  cursor: pointer;
}
.pe-copy-prompt:hover { background: #ecfeff; }
.pe-copy-prompt:focus-visible { outline: 3px solid #5eead4; outline-offset: 3px; }
.pe-copy-prompt svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.pe-copy-prompt span { margin: 0; color: inherit; font-size: inherit; }
.pe-prompt-template__body { padding: 8px 22px 22px; }
.pe-prompt-template__body section { padding: 18px 0; border-bottom: 1px solid #e2e8f0; }
.pe-prompt-template__body section:last-child { border-bottom: 0; }
.pe-prompt-template__body h3 { margin: 0 0 10px; color: #0f172a; font-size: .95rem; letter-spacing: .01em; }
.pe-prompt-template__body p { margin: 0; }
.pe-prompt-template__body ul { margin: 0; padding-left: 21px; }
.pe-prompt-template__body li { margin: 8px 0; }
.pe-prompt-template mark { padding: 2px 5px; border-radius: 5px; color: #0f5f5a; background: #ccfbf1; font-weight: 800; }
.pe-follow-up-instruction { margin: 6px -8px -8px; padding: 18px 16px !important; border: 1px solid #99f6e4 !important; border-radius: 12px; background: #f0fdfa; }
@media (max-width: 560px) {
  .pe-prompt-template__header { align-items: stretch; flex-direction: column; }
  .pe-copy-prompt { justify-content: center; }
  .pe-prompt-example { grid-template-columns: 34px 1fr; padding: 16px; }
  .pe-prompt-status { width: 32px; height: 32px; }
}
.pe-toc {
  margin: 22px 0;
  padding: 18px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid var(--pe-line);
}
.pe-toc a { display: block; margin: 8px 0; color: #0f766e; font-weight: 800; text-decoration: none; }
.pe-related { max-width: 980px; margin: 42px auto 0; }
.pe-footer {
  padding: 42px 0;
  background: var(--pe-navy);
  color: rgba(255,255,255,.68);
}
.pe-footer a { color: rgba(255,255,255,.78); text-decoration: none; }
.pe-footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 28px; }
.pe-footer p { color: rgba(255,255,255,.58); font-size: 14px; }
.pe-empty { display: none; padding: 28px; text-align: center; color: var(--pe-muted); }
.pe-download-hero {
  padding: 54px;
  border-radius: 28px;
  background: linear-gradient(135deg, #061929, #092235);
  color: #fff;
  box-shadow: 0 30px 80px rgba(9,22,50,.18);
}
.pe-download-hero h1, .pe-download-hero p { color: #fff; }
.pe-checklist-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.pe-checkbox-line {
  padding: 14px 16px;
  border: 1px solid var(--pe-line);
  border-radius: 12px;
  background: #fff;
  color: var(--pe-slate);
}
@media (max-width: 900px) {
  .pe-nav a:not(.pe-nav-cta) { display: none; }
  .pe-layout, .pe-featured, .pe-footer-grid { grid-template-columns: 1fr; }
  .pe-sidebar { position: static; }
  .pe-card-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .pe-container { width: min(100% - 28px, 1120px); }
  .pe-topbar { min-height: 64px; gap: 12px; }
  .pe-brand { font-size: 15px; }
  .pe-mark { width: 38px; }
  h1 { font-size: 40px; }
  .pe-download-hero, .pe-featured, .pe-panel, .pe-resource-cta { padding: 22px; }
  .pe-checklist-grid { grid-template-columns: 1fr; }
}
@media print {
  .pe-topbar, .pe-footer, .pe-hero-actions, .pe-newsletter, .pe-sidebar { display: none !important; }
  body { background: #fff; }
  .pe-container, .pe-article-body { width: 100%; max-width: none; box-shadow: none; border: 0; }
}

/* Resource hub premium redesign */
.pe-resource-home {
  overflow: hidden;
}
.pe-resource-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(64px, 8vw, 108px) 0 76px;
  background:
    radial-gradient(circle at 76% 18%, rgba(23,211,196,.24), transparent 28rem),
    radial-gradient(circle at 16% 76%, rgba(37,99,235,.18), transparent 24rem),
    linear-gradient(115deg, #03111d 0%, #07172b 52%, #092235 100%);
}
.pe-resource-hero:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(180deg, #000, transparent 78%);
}
.pe-resource-hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.pe-resource-copy h1 {
  max-width: 740px;
  color: #fff;
  margin-bottom: 18px;
  font-size: clamp(46px, 6.6vw, 78px);
  text-wrap: balance;
  text-shadow: 0 18px 46px rgba(0,0,0,.25);
}
.pe-resource-copy .pe-kicker {
  color: var(--pe-teal-2);
}
.pe-resource-copy .pe-lede {
  color: rgba(255,255,255,.78);
  max-width: 680px;
}
.pe-btn-dark {
  color: #fff;
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.22);
}
.pe-resource-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 30px;
  color: rgba(255,255,255,.78);
  font-size: 13px;
  font-weight: 800;
}
.pe-resource-proof span:before {
  content: "✓";
  color: var(--pe-teal-2);
  margin-right: 7px;
}
.pe-resource-hero-card {
  position: relative;
  padding: clamp(26px, 4vw, 38px);
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.92);
  box-shadow: 0 34px 90px rgba(0,0,0,.26);
  backdrop-filter: blur(16px);
}
.pe-resource-hero-card:before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,.8), rgba(23,211,196,.42), rgba(255,255,255,.1));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.pe-resource-hero-card h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-top: 16px;
}
.pe-mini-list {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}
.pe-mini-list span {
  padding: 12px 13px;
  border: 1px solid #dce5ea;
  border-radius: 12px;
  background: #f8fafc;
  color: #334155;
  font-size: 14px;
  font-weight: 800;
}
.pe-resource-strip {
  position: relative;
  z-index: 2;
  margin-top: -34px;
}
.pe-resource-strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid rgba(203,213,225,.8);
  border-radius: 22px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 24px 70px rgba(15,23,42,.12);
  backdrop-filter: blur(18px);
}
.pe-resource-strip-grid div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  align-items: center;
  min-height: 104px;
  padding: 24px 26px;
}
.pe-resource-strip-grid div:not(:last-child) {
  border-right: 1px solid #e5edf3;
}
.pe-resource-strip-grid strong {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #063b3b;
  background: #ccfbf1;
}
.pe-resource-strip-grid span {
  color: #475569;
  line-height: 1.45;
  font-size: 14px;
  font-weight: 750;
}
.pe-resource-library {
  padding-top: 82px;
  background: linear-gradient(180deg, #fff, #f8fafc 58%, #fff);
}
.pe-resource-heading {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 430px);
  gap: 34px;
  align-items: end;
  margin-bottom: 22px;
}
.pe-resource-heading p {
  margin: 0;
}
.pe-resource-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 28px;
  align-items: start;
}
.pe-polished-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.pe-polished-card-grid .pe-article-card {
  min-height: 275px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 92% 12%, rgba(23,211,196,.09), transparent 12rem),
    #fff;
}
.pe-polished-card-grid .pe-feature-article-card {
  grid-column: 1 / -1;
  min-height: 245px;
  padding: 34px;
  background:
    radial-gradient(circle at 88% 18%, rgba(23,211,196,.18), transparent 18rem),
    linear-gradient(135deg, #fff, #f4fdfd);
}
.pe-polished-card-grid .pe-article-card h3 {
  font-size: clamp(21px, 2.4vw, 30px);
  line-height: 1.12;
}
.pe-resource-sidebar {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 18px;
}
.pe-premium-panel {
  border-color: #a7f3d0;
  background:
    radial-gradient(circle at 90% 10%, rgba(23,211,196,.16), transparent 12rem),
    linear-gradient(180deg, #fff, #f0fdfa);
}
.pe-quiet-panel {
  background: #fff;
}
.pe-resource-bottom-cta {
  padding: 30px 0 74px;
  background: #fff;
}
.pe-resource-cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px;
  border-radius: 24px;
  color: #fff;
  background:
    radial-gradient(circle at 85% 20%, rgba(23,211,196,.22), transparent 18rem),
    linear-gradient(135deg, #031321, #082238);
  box-shadow: 0 24px 70px rgba(9,22,50,.18);
}
.pe-resource-cta-card h2,
.pe-resource-cta-card p {
  color: #fff;
}
.pe-resource-cta-card p {
  opacity: .74;
  margin-bottom: 0;
}
@media (max-width: 980px) {
  .pe-resource-hero-grid,
  .pe-resource-heading,
  .pe-resource-content-grid {
    grid-template-columns: 1fr;
  }
  .pe-resource-sidebar {
    position: static;
  }
}
@media (max-width: 720px) {
  .pe-resource-hero {
    padding-top: 52px;
  }
  .pe-resource-copy h1 {
    font-size: 40px;
  }
  .pe-resource-strip {
    margin-top: 0;
  }
  .pe-resource-strip-grid,
  .pe-polished-card-grid {
    grid-template-columns: 1fr;
  }
  .pe-resource-strip-grid div:not(:last-child) {
    border-right: 0;
    border-bottom: 1px solid #e5edf3;
  }
  .pe-polished-card-grid .pe-feature-article-card {
    grid-column: auto;
    padding: 24px;
  }
  .pe-resource-cta-card {
    display: block;
    padding: 24px;
  }
  .pe-resource-cta-card .pe-btn {
    width: 100%;
    margin-top: 18px;
  }
}