/* ==========================================================================
   pb.css — Premier Booker site design system
   Shared by index.html, pricing.html, buy.html, docs.html, download.html.
   (tour.html is the standalone animated product tour and keeps its own CSS.)

   Register: editorial, near-black with warm gold, alternating cream
   sections. Display = Schibsted Grotesk, labels = Fragment Mono,
   body = DM Sans (continuity with the tour page).
   ========================================================================== */

:root{
  /* color */
  --ink:        #111214;            /* page near-black */
  --ink-2:      #16181d;            /* raised surface on dark */
  --ink-3:      #1d2026;            /* card surface on dark */
  --paper:      #f4ede0;            /* cream editorial sections */
  --paper-2:    #ece3d2;            /* raised surface on cream */
  --gold:       #c9a55a;
  --gold-l:     #e8c98e;
  --gold-deep:  #a07f3a;            /* gold that passes contrast on cream */
  --cream:      #f4ede0;            /* text on dark */
  --mut:        #a8adb8;            /* secondary text on dark (≥ #9aa0b0) */
  --ink-on-paper: #1b1c20;          /* text on cream */
  --mut-on-paper: #5c5648;          /* secondary text on cream */
  --line:       rgba(201,165,90,.16);
  --line-paper: rgba(27,28,32,.14);
  --ok:         #3ec98e;
  --warn:       #e06b5a;

  /* type */
  --f-display: "Schibsted Grotesk", "DM Sans", system-ui, sans-serif;
  --f-body:    "DM Sans", system-ui, sans-serif;
  --f-mono:    "Fragment Mono", ui-monospace, "SF Mono", monospace;

  /* motion */
  --ease-out:  cubic-bezier(.16,1,.3,1);
  --t-fast:    .2s;
  --t-med:     .45s;

  /* layout */
  --wrap:      1200px;
  --pad:       clamp(20px, 4vw, 48px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:84px}
body{
  margin:0; background:var(--ink); color:var(--cream);
  font-family:var(--f-body); font-size:17px; line-height:1.55;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:var(--gold); color:var(--ink)}

h1,h2,h3,h4{
  font-family:var(--f-display); font-weight:700;
  line-height:1.02; letter-spacing:-.025em; margin:0;
}
p{margin:0}
a{color:inherit}
img{max-width:100%; display:block}
button{font:inherit}

.wrap{max-width:var(--wrap); margin:0 auto; padding-left:var(--pad); padding-right:var(--pad)}

/* ---- mono label / eyebrow ------------------------------------------------ */
.mono{
  font-family:var(--f-mono); font-size:.72rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--gold);
}
.eyebrow{
  display:flex; align-items:center; gap:14px; margin-bottom:26px;
}
.eyebrow::after{content:""; height:1px; flex:0 0 64px; background:var(--gold); opacity:.55}
.on-paper .eyebrow, .on-paper .mono{color:var(--gold-deep)}

/* ---- display sizes ------------------------------------------------------- */
.d1{font-size:clamp(2.9rem, 7.4vw, 6.4rem)}
.d2{font-size:clamp(2.1rem, 4.6vw, 3.9rem)}
.d3{font-size:clamp(1.45rem, 2.6vw, 2.1rem)}
.lead{
  color:var(--mut); font-size:clamp(1.05rem, 1.5vw, 1.22rem);
  line-height:1.6; max-width:620px;
}
.on-paper .lead{color:var(--mut-on-paper)}
em{font-style:normal; color:var(--gold)}
.on-paper em{color:var(--gold-deep)}

/* ---- sections ------------------------------------------------------------ */
section{position:relative}
.band{padding:clamp(84px, 11vw, 150px) 0}
.on-paper{background:var(--paper); color:var(--ink-on-paper)}
.rule{height:1px; background:var(--line); border:0; margin:0}
.on-paper .rule{background:var(--line-paper)}

/* ---- nav ------------------------------------------------------------------ */
.pb-nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px var(--pad);
  background:color-mix(in oklab, var(--ink) 86%, transparent);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.pb-brand{display:flex; align-items:center; gap:11px; text-decoration:none; color:var(--cream)}
.pb-brand img{height:36px; width:auto; filter:drop-shadow(0 3px 9px rgba(201,165,90,.3))}
.pb-brand span{font-family:var(--f-display); font-weight:700; font-size:1.06rem; letter-spacing:-.01em}
.pb-brand b{color:var(--gold); font-weight:700}
.pb-links{display:flex; gap:6px; align-items:center}
.pb-links a{
  color:var(--mut); text-decoration:none; font-size:.86rem; padding:8px 12px;
  border-radius:8px; transition:color var(--t-fast) var(--ease-out), background var(--t-fast) var(--ease-out);
}
.pb-links a:hover{color:var(--cream); background:rgba(244,237,224,.06)}
.pb-links a[aria-current="page"]{color:var(--cream)}
.pb-cta{
  font-weight:700; font-size:.86rem; color:var(--ink)!important;
  background:var(--gold); padding:10px 18px; border-radius:999px; margin-left:10px;
  transition:background var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);
}
.pb-cta:hover{background:var(--gold-l); transform:translateY(-1px)}

.pb-burger{
  display:none; appearance:none; background:transparent; border:0; cursor:pointer;
  width:40px; height:40px; padding:9px; margin-left:12px;
  flex-direction:column; justify-content:center; align-items:stretch; gap:5px;
}
.pb-burger span{display:block; height:2px; background:var(--cream); border-radius:2px;
  transition:transform var(--t-fast) var(--ease-out), opacity var(--t-fast) var(--ease-out)}
.pb-nav.open .pb-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.pb-nav.open .pb-burger span:nth-child(2){opacity:0}
.pb-nav.open .pb-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.pb-scrim{position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:49;
  opacity:0; pointer-events:none; transition:opacity var(--t-med) var(--ease-out)}
.pb-scrim.show{opacity:1; pointer-events:auto}

@media(max-width:760px){
  .pb-burger{display:flex}
  .pb-brand span{font-size:1rem}
  .pb-links{
    position:fixed; top:0; right:0; z-index:50; height:100vh; width:min(78vw,320px);
    flex-direction:column; align-items:stretch; gap:2px;
    background:var(--ink-2); border-left:1px solid var(--line);
    padding:88px 22px 28px; margin:0;
    transform:translateX(100%); transition:transform var(--t-med) var(--ease-out);
    overflow-y:auto;
  }
  .pb-nav.open .pb-links{transform:translateX(0)}
  .pb-links a{font-size:1rem; padding:14px 12px}
  .pb-links a.pb-cta{margin:14px 12px 0; text-align:center}
}
@media (prefers-reduced-motion: reduce){
  .pb-links, .pb-scrim, .pb-burger span{transition:none}
}

/* ---- buttons --------------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; gap:10px; text-decoration:none;
  font-weight:700; font-size:.95rem; border-radius:999px; padding:15px 28px;
  border:1px solid transparent; cursor:pointer;
  transition:background var(--t-fast) var(--ease-out),
             border-color var(--t-fast) var(--ease-out),
             color var(--t-fast) var(--ease-out),
             transform var(--t-fast) var(--ease-out);
}
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline:2px solid var(--gold); outline-offset:3px;
}
.btn-gold{background:var(--gold); color:var(--ink)}
.btn-gold:hover{background:var(--gold-l); transform:translateY(-1px)}
.btn-ghost{border-color:var(--line); color:var(--cream); background:transparent}
.btn-ghost:hover{border-color:var(--gold); color:var(--gold-l)}
.on-paper .btn-ghost{border-color:var(--line-paper); color:var(--ink-on-paper)}
.on-paper .btn-ghost:hover{border-color:var(--gold-deep); color:var(--gold-deep)}

/* ---- price figures ---------------------------------------------------------- */
.num, .price{font-variant-numeric:tabular-nums}
.price-was{text-decoration:line-through; opacity:.55; font-weight:500}

/* ---- reveal on scroll -------------------------------------------------------- */
[data-reveal]{opacity:0; transform:translateY(22px);
  transition:opacity .5s var(--ease-out), transform .5s var(--ease-out)}
[data-reveal].in{opacity:1; transform:none}
[data-reveal].r1{transition-delay:.06s}
[data-reveal].r2{transition-delay:.12s}
[data-reveal].r3{transition-delay:.18s}
[data-reveal].r4{transition-delay:.24s}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1; transform:none; transition:none}
  *, *::before, *::after{animation-duration:.01ms !important; animation-iteration-count:1 !important}
}

/* ---- footer -------------------------------------------------------------------- */
.pb-footer{border-top:1px solid var(--line); padding:56px 0 64px; color:var(--mut)}
.pb-footer .cols{display:flex; flex-wrap:wrap; gap:40px; justify-content:space-between; align-items:flex-start}
.pb-footer a{color:var(--mut); text-decoration:none; transition:color var(--t-fast) var(--ease-out)}
.pb-footer a:hover{color:var(--cream)}
.pb-footer .flinks{display:flex; gap:24px; flex-wrap:wrap; font-size:.88rem}
.pb-footer .fnote{font-size:.8rem; margin-top:34px; color:#8a8f9a}
.pb-footer .flegal{display:flex; gap:20px; flex-wrap:wrap; align-items:center;
  font-size:.78rem; margin-top:16px; color:#8a8f9a}
.pb-footer .flegal a{color:#8a8f9a}
.pb-footer .flegal a:hover{color:var(--cream)}