/* ==========================================================================
   Royale Funnel — stylesheet
   Palette: deep violet ink, fuchsia signal, mint reserved for positive deltas
   Type: Bricolage Grotesque (display) / Public Sans (body) / IBM Plex Mono (data)
   ========================================================================== */

:root{
  --ink:      #1A0F2E;
  --ink-soft: #2E2044;
  --violet:   #4B2E93;
  --fuchsia:  #E4197F;
  --mint:     #14C79B;
  --paper:    #F4F1F8;
  --mist:     #DED7EC;
  --white:    #FFFFFF;

  --font-display: "Bricolage Grotesque", "Public Sans", system-ui, sans-serif;
  --font-body:    "Public Sans", system-ui, -apple-system, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --shell: 1180px;
  --pad: clamp(20px, 5vw, 48px);
  --radius: 4px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }

a{ color:inherit; }

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.02;
  letter-spacing:-0.025em;
  margin:0;
}

p{ margin:0 0 1em; }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

.skip{
  position:absolute; left:-9999px; top:0; z-index:100;
  background:var(--ink); color:var(--white); padding:12px 18px;
}
.skip:focus{ left:12px; top:12px; }

:focus-visible{
  outline:3px solid var(--fuchsia);
  outline-offset:3px;
}

.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}

/* ---------- Eyebrow ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--violet);
  margin:0 0 18px;
}

/* ---------- Top bar ---------- */
.topbar{
  position:sticky; top:0; z-index:50;
  background:rgba(244,241,248,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--mist);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  min-height:70px; gap:24px;
}
.wordmark{
  display:inline-flex; align-items:center; gap:10px;
  text-decoration:none;
}
.wordmark__mark{
  width:15px; height:15px;
  background:var(--fuchsia);
  clip-path:polygon(0 0, 100% 0, 62% 100%, 38% 100%);
}
.wordmark__text{
  font-family:var(--font-display);
  font-weight:800;
  font-size:19px;
  letter-spacing:-0.035em;
}
.wordmark__text em{ font-style:normal; color:var(--violet); }

.topnav{ display:flex; align-items:center; gap:30px; }
.topnav a{
  font-size:15px; font-weight:500; text-decoration:none;
  padding-block:6px;
  border-bottom:2px solid transparent;
}
.topnav a:hover{ border-bottom-color:var(--fuchsia); }
.topnav a.topnav__cta{
  background:var(--ink); color:var(--white);
  padding:10px 18px; border-bottom:none; border-radius:var(--radius);
}
.topnav a.topnav__cta:hover{ background:var(--violet); }

.menu-toggle{
  display:none; background:none; border:0; cursor:pointer;
  width:44px; height:44px; align-items:center; justify-content:center;
}
.menu-toggle__bars,
.menu-toggle__bars::before,
.menu-toggle__bars::after{
  content:""; display:block; width:22px; height:2px; background:var(--ink);
}
.menu-toggle__bars{ position:relative; }
.menu-toggle__bars::before{ position:absolute; top:-7px; }
.menu-toggle__bars::after{ position:absolute; top:7px; }

.topnav-mobile{
  display:none; flex-direction:column;
  border-top:1px solid var(--mist);
  padding:8px var(--pad) 18px;
}
.topnav-mobile a{
  padding:12px 0; text-decoration:none; font-weight:600;
  border-bottom:1px solid var(--mist);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--font-body);
  font-size:16px; font-weight:600;
  padding:14px 26px;
  border-radius:var(--radius);
  border:2px solid transparent;
  text-decoration:none; cursor:pointer;
  transition:background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn--primary{ background:var(--fuchsia); color:var(--white); }
.btn--primary:hover{ background:var(--ink); }
.btn--ghost{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn--ghost:hover{ background:var(--ink); color:var(--white); }
.btn--block{ width:100%; }

/* variant B swaps the CTA treatment as part of the demo */
body.variant-b .btn--primary{ background:var(--violet); }
body.variant-b .btn--primary:hover{ background:var(--ink); }

/* ---------- Hero ---------- */
.hero{
  padding-block:clamp(56px, 9vw, 108px) clamp(48px, 7vw, 88px);
  border-bottom:1px solid var(--mist);
}
.hero__inner{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:clamp(32px, 5vw, 72px);
  align-items:start;
}
.hero__title{
  font-size:clamp(40px, 6.4vw, 78px);
  margin:0 0 22px;
  max-width:15ch;
}
.hero__sub{
  font-size:clamp(17px, 1.6vw, 20px);
  max-width:48ch;
  color:var(--ink-soft);
  margin-bottom:32px;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; }

/* the A/B control panel — the page's signature element */
.ab{
  background:var(--white);
  border:1px solid var(--mist);
  border-top:3px solid var(--fuchsia);
  border-radius:var(--radius);
  padding:26px 24px;
}
.ab__head{ display:flex; align-items:center; gap:10px; margin-bottom:20px; }
.ab__dot{
  width:9px; height:9px; border-radius:50%;
  background:var(--mint); flex:none;
  box-shadow:0 0 0 4px rgba(20,199,155,.18);
}
.ab__title{
  font-size:16px; font-weight:600; letter-spacing:-0.01em;
  font-family:var(--font-body);
}
.ab__switch{ display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-bottom:22px; }
.ab__pill{
  font-family:var(--font-body);
  font-size:13px; font-weight:600; text-align:left;
  padding:12px 12px; cursor:pointer;
  background:var(--paper);
  border:1px solid var(--mist);
  border-radius:var(--radius);
  color:var(--ink-soft);
  line-height:1.25;
}
.ab__pill:hover{ border-color:var(--violet); }
.ab__pill.is-active{
  background:var(--ink); color:var(--white); border-color:var(--ink);
}
.ab__pill-key{
  display:block;
  font-family:var(--font-mono);
  font-size:11px; letter-spacing:.12em;
  color:var(--fuchsia);
  margin-bottom:4px;
}
.ab__pill.is-active .ab__pill-key{ color:var(--mint); }

.ab__readout{ margin:0 0 18px; display:grid; gap:0; }
.ab__readout > div{
  display:flex; justify-content:space-between; gap:12px;
  padding:9px 0;
  border-bottom:1px dashed var(--mist);
}
.ab__readout dt{
  font-family:var(--font-mono);
  font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--ink-soft);
}
.ab__readout dd{
  margin:0; font-family:var(--font-mono); font-size:12px; font-weight:500;
}
.ab__note{
  font-size:13.5px; line-height:1.55; color:var(--ink-soft); margin:0;
}

/* ---------- Stance strip ---------- */
.stance{
  background:var(--ink);
  color:var(--paper);
  padding-block:clamp(44px, 6vw, 74px);
}
.stance__line{
  font-family:var(--font-display);
  font-size:clamp(21px, 2.9vw, 33px);
  line-height:1.28;
  letter-spacing:-0.02em;
  font-weight:400;
  max-width:30ch;
  margin:0;
}
.stance__line strong{ color:var(--white); font-weight:800; }

/* ---------- Generic section ---------- */
.section{ padding-block:clamp(60px, 8vw, 108px); }
.section--muted{ background:var(--white); border-block:1px solid var(--mist); }
.section--dark{ background:var(--ink-soft); color:var(--paper); }
.section--dark .eyebrow{ color:var(--mint); }

.section__head{ max-width:60ch; margin-bottom:clamp(34px, 4vw, 54px); }
.section__title{ font-size:clamp(30px, 4.2vw, 50px); margin:0 0 18px; }
.section__lede{ font-size:18px; color:var(--ink-soft); margin:0 0 4px; }
.section--dark .section__lede{ color:var(--mist); }

/* ---------- Service cards ---------- */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(min(280px,100%),1fr));
  gap:1px;
  background:var(--mist);
  border:1px solid var(--mist);
}
.card{
  background:var(--paper);
  padding:32px 28px;
}
.card__title{
  font-size:23px; margin:0 0 14px;
}
.card p{ color:var(--ink-soft); font-size:15.5px; }
.card__list{
  margin:18px 0 0; padding:0; list-style:none;
  border-top:1px solid var(--mist); padding-top:14px;
}
.card__list li{
  font-family:var(--font-mono);
  font-size:12px; letter-spacing:.02em;
  padding:5px 0 5px 16px; position:relative;
  color:var(--ink-soft);
}
.card__list li::before{
  content:""; position:absolute; left:0; top:12px;
  width:7px; height:2px; background:var(--fuchsia);
}

/* ---------- Funnel process ---------- */
.funnel{ list-style:none; margin:0; padding:0; }
.funnel__step{
  width:var(--w, 100%);
  background:rgba(255,255,255,.055);
  border-left:3px solid var(--fuchsia);
  padding:24px 28px;
  margin-bottom:10px;
  transition:background-color .2s ease;
}
.funnel__step:hover{ background:rgba(255,255,255,.1); }
.funnel__stage{
  display:block;
  font-family:var(--font-display);
  font-size:21px; font-weight:800; letter-spacing:-0.02em;
  margin-bottom:8px;
}
.funnel__step p{
  margin:0; font-size:15.5px; color:var(--mist); max-width:62ch;
}

/* ---------- Engagement tiers ---------- */
.tiers{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(min(255px,100%),1fr));
  gap:20px;
}
.tier{
  background:var(--white);
  border:1px solid var(--mist);
  border-radius:var(--radius);
  padding:30px 26px;
  display:flex; flex-direction:column;
}
.tier--feature{ border-color:var(--ink); border-width:2px; }
.tier__kind{
  font-family:var(--font-mono);
  font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--fuchsia); margin:0 0 10px;
}
.tier__name{ font-size:26px; margin:0 0 14px; }
.tier__body{ font-size:15.5px; color:var(--ink-soft); flex:1; }
.tier__meta{
  font-family:var(--font-mono); font-size:12px;
  margin:14px 0 0; padding-top:14px;
  border-top:1px solid var(--mist);
  color:var(--ink-soft);
}

/* ---------- Contact ---------- */
.section--contact{ background:var(--white); border-top:1px solid var(--mist); }
.contact{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,460px);
  gap:clamp(32px, 5vw, 68px);
  align-items:start;
}
.contact__direct{
  list-style:none; margin:24px 0 0; padding:0;
}
.contact__direct li{
  display:flex; gap:14px; padding:11px 0;
  border-top:1px solid var(--mist);
  font-size:15px;
}
.contact__direct span{
  font-family:var(--font-mono); font-size:11px;
  letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-soft); min-width:70px; padding-top:3px;
}
.contact__direct a{ color:var(--violet); font-weight:600; }

.form{
  background:var(--paper);
  border:1px solid var(--mist);
  border-radius:var(--radius);
  padding:28px 26px;
}
.field{ margin-bottom:18px; }
.field label{
  display:block;
  font-family:var(--font-mono);
  font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-soft); margin-bottom:7px;
}
.field input,
.field textarea{
  width:100%;
  font-family:var(--font-body); font-size:16px;
  padding:12px 14px;
  border:1px solid var(--mist);
  border-radius:var(--radius);
  background:var(--white);
  color:var(--ink);
}
.field input:focus,
.field textarea:focus{ border-color:var(--violet); }
.field textarea{ resize:vertical; }
.form__status{
  margin:14px 0 0; font-size:14px; min-height:1.4em;
  font-family:var(--font-mono);
}
.form__status[data-state="error"]{ color:var(--fuchsia); }
.form__status[data-state="ok"]{ color:#0E8C6E; }

/* ---------- Footer ---------- */
.footer{
  background:var(--ink);
  color:var(--mist);
  padding-top:clamp(48px, 6vw, 72px);
}
.footer__inner{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(min(220px,100%),1fr));
  gap:36px;
  padding-bottom:44px;
}
.footer h2{
  font-family:var(--font-mono);
  font-size:11px; font-weight:500;
  letter-spacing:.16em; text-transform:uppercase;
  color:var(--fuchsia);
  margin:0 0 14px;
}
.footer__brand .wordmark__text{ color:var(--white); display:block; margin-bottom:12px; }
.footer__brand .wordmark__text em{ color:var(--fuchsia); }
.footer p{ font-size:14.5px; line-height:1.65; margin:0; }
.footer__nav{ display:flex; flex-direction:column; gap:8px; }
.footer__nav a{ font-size:14.5px; text-decoration:none; }
.footer__nav a:hover{ color:var(--white); }
.footer__base{
  border-top:1px solid rgba(255,255,255,.14);
  padding-block:20px;
}
.footer__base p{ font-family:var(--font-mono); font-size:11.5px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero__inner{ grid-template-columns:1fr; }
  .contact{ grid-template-columns:1fr; }
  .funnel__step{ width:100% !important; }
}

@media (max-width: 760px){
  .topnav{ display:none; }
  .menu-toggle{ display:inline-flex; }
  .topnav-mobile:not([hidden]){ display:flex; }
}

@media (prefers-reduced-motion: reduce){
  *{ transition-duration:.001ms !important; animation-duration:.001ms !important; }
}

/* ---------- Small phones (≤480px) ---------- */
@media (max-width: 480px){
  body{ font-size:16.5px; }
  .hero__title{ font-size:clamp(33px, 9vw, 44px); }
  .section__title{ font-size:clamp(26px, 7.6vw, 34px); }
  .stance__line{ font-size:20px; }
  .ab{ padding:22px 18px; }
  .ab__switch{ grid-template-columns:1fr; }
  .card{ padding:26px 22px; }
  .form{ padding:22px 18px; }
  .btn{ width:100%; }
  .hero__actions{ flex-direction:column; align-items:stretch; }
  .contact__direct li{ flex-direction:column; gap:2px; }
}