:root{--ink:#10141f;--muted:#5f6878;--line:#e4e7ee;--soft:#f7f8fb;--pistachio:#d8f3dc;--pistachio2:#e9f8df;--honey:#f6c453;--honeysoft:#fff8df;--blue:#2563eb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55}a{color:inherit;text-decoration:none}p{margin:0}.topbar{position:sticky;top:0;z-index:10;width:min(1220px,calc(100% - 32px));min-height:76px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px;background:rgba(255,255,255,.94);backdrop-filter:blur(16px)}.brand{font-size:25px;font-weight:950}nav{display:flex;gap:16px;color:#303949;font-weight:850}nav a:hover{color:var(--blue)}.hero,.page-hero{width:min(1220px,calc(100% - 32px));margin:0 auto}.hero{min-height:calc(100vh - 76px);display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:44px;align-items:center;padding:70px 0 88px}.page-hero{padding:74px 0;text-align:center}.hero-copy{max-width:820px}.eyebrow{display:inline-flex;align-items:center;min-height:34px;margin:0 0 16px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#536071;font-size:13px;font-weight:900}.honey{background:var(--honeysoft);border-color:#e4bf5a;color:#4c3b09}h1,h2,h3{margin:0;line-height:1.03;letter-spacing:0}h1{font-size:clamp(52px,8vw,112px)}h2{font-size:clamp(34px,5vw,66px)}h3{font-size:23px}.lead{margin-top:24px;color:var(--muted);font-size:clamp(20px,2vw,25px);max-width:820px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.primary,.secondary,.honey-button,.copy-open,.copy-only,.copy-small{min-height:46px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:0 16px;border:0;font:inherit;font-weight:950;cursor:pointer}.primary,.copy-open{background:var(--ink);color:#fff}.secondary,.copy-only,.copy-small{border:1px solid var(--line);background:#fff;color:var(--ink)}.honey-button{background:var(--honey);color:var(--ink);box-shadow:inset 0 -2px 0 rgba(16,20,31,.18)}.hero-panel{border:1px solid var(--line);border-radius:8px;background:#fff;padding:14px;box-shadow:0 28px 90px rgba(16,20,31,.08)}.hero-panel div{padding:16px;border-bottom:1px solid var(--line)}.hero-panel div:last-child{border-bottom:0}.hero-panel span{display:block;color:var(--blue);font-size:13px;font-weight:950;text-transform:uppercase}.hero-panel b{display:block;margin-top:5px}.hero-panel .highlight{background:var(--pistachio2);border-radius:8px}section{padding:86px 0}.section-head{width:min(980px,calc(100% - 32px));margin:0 auto 34px;text-align:center}.section-head p:not(.eyebrow){max-width:840px;margin:18px auto 0;color:var(--muted);font-size:19px}.soft,.hub-section,.faq,.sample-section{background:var(--soft)}.hub-grid,.formula-grid,.related-grid{width:min(1220px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.models{grid-template-columns:repeat(3,minmax(0,1fr))}.hub-card,.formula-grid article,.related-grid a{min-height:178px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:22px;box-shadow:0 16px 50px rgba(16,20,31,.04)}.hub-card span,.formula-grid span{display:block;margin-bottom:10px;color:var(--blue);font-size:13px;font-weight:950;text-transform:uppercase;letter-spacing:.06em}.hub-card strong{display:block;font-size:24px;line-height:1.1}.hub-card p,.formula-grid p{margin-top:12px;color:var(--muted)}.single-prompt,.prompt-list,.formula-deep{width:min(1220px,calc(100% - 32px));margin:0 auto;display:grid;gap:16px}.prompt-list{grid-template-columns:repeat(2,minmax(0,1fr))}.prompt-card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:20px;box-shadow:0 16px 50px rgba(16,20,31,.04)}.prompt-head{display:flex;align-items:start;justify-content:space-between;gap:12px}.prompt-head span{display:block;color:var(--blue);font-size:12px;font-weight:950;text-transform:uppercase;letter-spacing:.06em}.prompt-head h3{margin-top:6px}.prompt-card pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:18px 0 0;padding:16px;border-radius:8px;background:#f8fafc;border:1px solid var(--line);color:#1f2937;font:14px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace}.prompt-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.prompt-note{margin-top:10px;color:#6b7280;font-size:14px}.compare-live{background:var(--pistachio)}.live-card{width:min(1220px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:32px;align-items:center;border:1px solid rgba(16,20,31,.12);border-radius:8px;background:var(--pistachio2);padding:36px}.live-card p{margin-top:18px;color:#263425;font-size:20px}.live-board{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.live-board div{min-height:70px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#fff;font-weight:950}.live-board .dark{grid-column:1/-1;background:var(--ink);color:#fff}.faq-list{width:min(980px,calc(100% - 32px));margin:0 auto;display:grid;gap:10px}details{border:1px solid var(--line);border-radius:8px;background:#fff}summary{cursor:pointer;padding:18px 20px;font-size:18px;font-weight:900}details p{padding:0 20px 20px;color:var(--muted);font-size:17px}.guide-block{background:var(--soft)}.formula-deep article{border-bottom:1px solid var(--line);padding-bottom:34px}.related-grid a{display:flex;align-items:center;justify-content:center;min-height:74px;color:var(--blue);font-weight:900}.footer{padding:34px 18px;border-top:1px solid var(--line);color:#6b7280;text-align:center;font-size:14px}.footer p+p{margin-top:8px}.footer a{color:var(--blue)}@media(max-width:980px){.topbar{position:static;flex-direction:column;padding:18px 0}nav{flex-wrap:wrap;justify-content:center;font-size:14px}.hero,.live-card{grid-template-columns:1fr;min-height:auto}.hub-grid,.formula-grid,.prompt-list,.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){h1{font-size:46px}h2{font-size:34px}section{padding:62px 0}.hub-grid,.formula-grid,.prompt-list,.related-grid{grid-template-columns:1fr}.primary,.secondary,.honey-button,.copy-open,.copy-only{width:100%}.live-card{padding:22px}}

/* Mobile navbar */
.mobile-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--line, #e5e7eb);
  border-radius: 8px;
  background: var(--panel, var(--paper, #fff));
  color: var(--ink, #111827);
  cursor: pointer;
}
.mobile-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}
.mobile-nav-open .mobile-nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-nav-open .mobile-nav-toggle span:nth-child(2) { opacity: 0; }
.mobile-nav-open .mobile-nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 780px) {
  .topbar {
    position: sticky;
    top: 0;
    min-height: 66px;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 12px;
    padding: 10px 0;
  }
  .topbar .brand {
    min-width: 0;
    overflow: hidden;
  }
  .topbar .brand span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .topbar nav {
    display: none !important;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 50;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line, #e5e7eb);
    border-radius: 8px;
    background: var(--panel, var(--paper, #fff));
    box-shadow: 0 22px 60px rgba(15, 23, 42, .16);
  }
  .topbar.mobile-nav-open nav { display: flex !important; }
  .topbar nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    border-radius: 8px;
    padding: 10px 12px;
    white-space: normal;
  }
  .topbar nav a:hover { background: rgba(15, 23, 42, .06); }
  .topbar .mobile-nav-toggle,
  .nav-inner .mobile-nav-toggle { display: inline-flex; }
  .nav-inner { position: relative; }
  .nav-inner .links { display: none; }
  .nav.mobile-nav-open .links {
    display: flex;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 50;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line, #e5e7eb);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 22px 60px rgba(15, 23, 42, .16);
  }
  .nav.mobile-nav-open .links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    border-radius: 8px;
    padding: 10px 12px;
  }
  .nav.mobile-nav-open .links a:hover { background: rgba(15, 23, 42, .06); }
}

/* PerfectPrompt polish */
.topbar,
.hero,
.page-hero,
.hub-grid,
.formula-grid,
.related-grid,
.single-prompt,
.prompt-list,
.formula-deep,
.live-card {
  width: min(1120px, calc(100% - 72px));
}
.hero {
  min-height: auto;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 34px;
  padding: 58px 0 72px;
}
.page-hero {
  padding: 58px 0 48px;
}
.hero-copy {
  max-width: 720px;
}
h1 {
  font-size: clamp(42px, 5.8vw, 82px);
}
h2 {
  font-size: clamp(30px, 3.8vw, 52px);
}
h3 {
  font-size: 20px;
}
.lead {
  max-width: 720px;
  font-size: clamp(18px, 1.55vw, 22px);
}
section {
  padding: 70px 0;
}
.section-head {
  width: min(860px, calc(100% - 72px));
}
.prompt-card pre {
  font-size: 13px;
}
.formula-grid.steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.formula-grid.steps article {
  min-height: 210px;
}
.formula-grid.steps h3 {
  margin-bottom: 8px;
}
.formula-grid.steps span {
  color: var(--ink);
}
.site-footer {
  padding: 56px 0 38px;
  border-top: 1px solid var(--line);
  background: #0f1420;
  color: #fff;
  text-align: left;
}
.footer-inner {
  width: min(1120px, calc(100% - 72px));
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
  gap: 36px;
  align-items: start;
}
.footer-brand {
  font-size: 26px;
  font-weight: 950;
}
.footer-copy {
  margin-top: 12px;
  max-width: 420px;
  color: #b9c0ce;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.footer-group h3 {
  margin-bottom: 12px;
  color: #fff;
  font-size: 15px;
}
.footer-group a {
  display: block;
  padding: 5px 0;
  color: #cbd3df;
  font-weight: 750;
}
.footer-group a:hover {
  color: var(--honey);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.14);
  color: #9ca6b6;
  font-size: 14px;
}
.footer-bottom a {
  color: var(--honey);
}
.prompt-resources {
  background: #fbfbfd;
}
.resource-grid {
  width: min(1120px, calc(100% - 72px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.resource-card {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 22px;
  box-shadow: 0 16px 50px rgba(16,20,31,.04);
}
.resource-card span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.resource-card strong {
  font-size: 22px;
  line-height: 1.1;
}
.resource-card p {
  color: var(--muted);
}
.resource-card:hover {
  border-color: rgba(37,99,235,.35);
  transform: translateY(-1px);
}
@media(max-width:980px){
  .topbar,
  .hero,
  .page-hero,
  .hub-grid,
  .formula-grid,
  .related-grid,
  .single-prompt,
  .prompt-list,
  .formula-deep,
  .live-card,
  .section-head,
  .footer-inner {
    width: min(100% - 44px, 1120px);
  }
  .formula-grid.steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .resource-grid {
    width: min(100% - 44px, 1120px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media(max-width:640px){
  .topbar,
  .hero,
  .page-hero,
  .hub-grid,
  .formula-grid,
  .related-grid,
  .single-prompt,
  .prompt-list,
  .formula-deep,
  .live-card,
  .section-head,
  .footer-inner {
    width: min(100% - 32px, 1120px);
  }
  h1 {
    font-size: 38px;
  }
  h2 {
    font-size: 30px;
  }
  .formula-grid.steps,
  .footer-grid,
  .resource-grid {
    grid-template-columns: 1fr;
  }
  .resource-grid {
    width: min(100% - 32px, 1120px);
  }
}