/* privateisland.pro — shared design system (calm advisory identity)
   Phase 3/4 assets. Self-contained, no external fonts or CDNs.
   Deploy target: /pi-assets/pi.css  (referenced absolutely by every P3 page). */

:root{
  /* palette — quiet family-office memo */
  --ink:#182420;          /* near-black green-ink */
  --ink-2:#2a3a34;
  --paper:#f6f2e8;        /* bone */
  --paper-2:#fbf9f3;      /* lighter card */
  --paper-3:#efe9db;      /* panel */
  --line:#d9d1bf;         /* hairline on paper */
  --line-2:#c7bda4;
  --ocean:#2f6f6a;        /* muted teal accent */
  --ocean-deep:#1d4f4b;
  --ocean-soft:#e4ecea;
  --brass:#a4854f;        /* restrained gold */
  --brass-soft:#e9dcc2;
  --slate:#5b6a64;        /* muted secondary text */
  --slate-2:#7c8981;
  --danger:#8a3b34;
  --ok:#3f6b4a;
  --shadow:0 1px 2px rgba(24,36,32,.05),0 8px 30px rgba(24,36,32,.06);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Helvetica Neue",sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"Cascadia Mono",Menlo,Consolas,monospace;
  --wrap:1120px;
  --measure:38rem;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ocean-deep);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}
hr{border:0;border-top:1px solid var(--line);margin:2.4rem 0}

h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.15;color:var(--ink);letter-spacing:.2px}
h1{font-size:clamp(2rem,4.2vw,3.1rem);margin:.2em 0 .3em}
h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:2.2rem 0 .6rem}
h3{font-size:1.25rem;margin:1.6rem 0 .4rem}
p{margin:0 0 1.1rem}
.lede{font-size:1.2rem;color:var(--ink-2);line-height:1.6}
.small{font-size:.86rem}
.muted{color:var(--slate)}
.center{text-align:center}
blockquote{margin:1.6rem 0;padding:.2rem 0 .2rem 1.3rem;border-left:2px solid var(--brass);
  font-family:var(--serif);font-size:1.3rem;font-style:italic;color:var(--ink-2)}

/* eyebrow / kicker */
.kicker{font-family:var(--sans);text-transform:uppercase;letter-spacing:.22em;
  font-size:.72rem;font-weight:700;color:var(--brass)}
.rule-kicker{display:flex;align-items:center;gap:.9rem;margin:0 0 1rem}
.rule-kicker::after{content:"";flex:1;height:1px;background:var(--line-2)}

/* layout */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(18px,4vw,40px)}
.narrow{max-width:var(--measure);margin-left:auto;margin-right:auto}
.grid{display:grid;gap:1.6rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g2,.g3,.g4{grid-template-columns:1fr}}
.section{padding:clamp(2.4rem,6vw,4.6rem) 0}
.section.tint{background:var(--paper-3)}
.section.ink{background:var(--ink);color:var(--paper)}
.section.ink h1,.section.ink h2,.section.ink h3{color:var(--paper)}
.section.ink .muted{color:var(--slate-2)}

/* site chrome — calm header/footer (used by P3 standalone pages) */
.pi-top{position:sticky;top:0;z-index:50;background:rgba(246,242,232,.92);
  backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.pi-top .bar{display:flex;align-items:center;gap:1.4rem;min-height:62px}
.pi-brand{font-family:var(--serif);font-size:1.15rem;font-weight:600;letter-spacing:.5px;color:var(--ink)}
.pi-brand small{display:block;font-family:var(--sans);text-transform:uppercase;
  letter-spacing:.24em;font-size:.56rem;font-weight:700;color:var(--brass);margin-top:1px}
.pi-nav{display:flex;gap:1.15rem;margin-left:auto;flex-wrap:wrap;align-items:center}
.pi-nav a{color:var(--ink-2);font-size:.9rem;font-weight:500}
.pi-nav a:hover{color:var(--ocean-deep);text-decoration:none}
.pi-nav .cta{border:1px solid var(--ocean-deep);border-radius:2px;padding:.42rem .8rem;color:var(--ocean-deep)}
.pi-nav .cta:hover{background:var(--ocean-deep);color:var(--paper)}
@media(max-width:760px){.pi-nav{display:none}.pi-nav.open{display:flex;position:absolute;top:62px;left:0;right:0;
  flex-direction:column;background:var(--paper);padding:1rem;border-bottom:1px solid var(--line)}}
.pi-burger{margin-left:auto;display:none;background:none;border:0;font-size:1.4rem;cursor:pointer;color:var(--ink)}
@media(max-width:760px){.pi-burger{display:block}}

.pi-foot{background:var(--ink);color:var(--slate-2);padding:3rem 0 2rem;font-size:.9rem}
.pi-foot a{color:#cdd7d3}
.pi-foot h4{color:var(--paper);font-size:.8rem;text-transform:uppercase;letter-spacing:.18em;
  font-family:var(--sans);margin:0 0 .8rem}
.pi-foot ul{list-style:none;margin:0;padding:0}
.pi-foot li{margin:.3rem 0}
.pi-foot .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem}
@media(max-width:760px){.pi-foot .cols{grid-template-columns:1fr 1fr}}
.pi-foot .fine{margin-top:2.2rem;border-top:1px solid #2a3a34;padding-top:1.2rem;font-size:.8rem;color:#7c8981}

/* buttons */
.btn{display:inline-block;font-family:var(--sans);font-weight:600;font-size:.92rem;
  padding:.66rem 1.25rem;border-radius:2px;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--ocean-deep);color:var(--paper);border-color:var(--ocean-deep)}
.btn-primary:hover{background:var(--ink)}
.btn-ghost{background:transparent;color:var(--ocean-deep);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ocean-deep)}
.btn-brass{background:var(--brass);color:#231a06;border-color:var(--brass)}
.btn-block{display:block;width:100%;text-align:center}

/* cards */
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:3px;
  box-shadow:var(--shadow);overflow:hidden}
.card .pad{padding:1.4rem 1.5rem}
.card h3{margin-top:0}
.card-link:hover{border-color:var(--ocean);text-decoration:none}

/* badges / tags */
.tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;padding:.2rem .5rem;border-radius:2px;background:var(--ocean-soft);
  color:var(--ocean-deep);border:1px solid #cfe0dd}
.tag.brass{background:var(--brass-soft);color:#6b531f;border-color:#dcc79b}
.tag.warn{background:#f2e2df;color:var(--danger);border-color:#e2c5bf}

/* spec table */
.spec{width:100%;border-collapse:collapse;font-size:.94rem}
.spec th,.spec td{text-align:left;padding:.62rem .2rem;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{width:38%;font-family:var(--sans);font-weight:600;color:var(--slate);font-size:.82rem;
  text-transform:uppercase;letter-spacing:.06em}

/* checklist */
.check{list-style:none;padding:0;margin:1rem 0}
.check li{position:relative;padding:.5rem 0 .5rem 1.9rem;border-bottom:1px dotted var(--line)}
.check li::before{content:"";position:absolute;left:0;top:.85rem;width:12px;height:12px;
  border:1.5px solid var(--ocean);border-radius:2px}
.check li.flag::before{border-color:var(--danger);background:#f2e2df}
.check li.pass::before{border-color:var(--ok);background:#dfeee2}

/* forms */
.field{margin:0 0 1.05rem}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--ink-2);margin:0 0 .3rem;
  text-transform:uppercase;letter-spacing:.05em}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:.98rem;
  padding:.62rem .7rem;border:1px solid var(--line-2);border-radius:2px;background:var(--paper-2);color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ocean);
  box-shadow:0 0 0 3px var(--ocean-soft)}
.field .err{color:var(--danger);font-size:.8rem;margin-top:.25rem;display:none}
.field.invalid .err{display:block}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--danger)}
.form-note{font-size:.82rem;color:var(--slate)}
.received{display:none;background:var(--ocean-soft);border:1px solid #cfe0dd;border-radius:3px;
  padding:1.2rem 1.3rem;color:var(--ocean-deep)}
.received.show{display:block}
.form-card{max-width:34rem;margin:0 auto;background:var(--paper-2);border:1px solid var(--line);
  border-radius:4px;box-shadow:var(--shadow);padding:2rem}

/* hero */
.hero{position:relative;color:var(--paper);padding:clamp(4rem,12vw,8rem) 0;background:var(--ink);overflow:hidden}
.hero .bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.5}
.hero .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,32,28,.35),rgba(20,32,28,.82))}
.hero .inner{position:relative}
.hero h1{color:var(--paper);max-width:20ch}
.hero .lede{color:#dbe4e0;max-width:52ch}

/* gate / opening-soon banner */
.gate{background:var(--brass-soft);border:1px solid #dcc79b;border-radius:3px;
  padding:1rem 1.2rem;color:#6b531f;font-size:.92rem;display:flex;gap:.7rem;align-items:flex-start}
.gate strong{color:#4d3c14}
.locked{position:relative}
.locked .veil{position:absolute;inset:0;background:rgba(246,242,232,.72);
  backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;text-align:center;
  border-radius:3px;padding:1rem}
.locked .veil .box{max-width:22rem}

/* watermark (specimen) */
.watermark{position:fixed;inset:0;pointer-events:none;z-index:2;overflow:hidden}
.watermark span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-30deg);
  font-family:var(--serif);font-size:clamp(4rem,16vw,11rem);color:rgba(164,133,79,.10);
  letter-spacing:.1em;white-space:nowrap;font-weight:700}

/* magazine */
.mag-body{font-family:var(--serif);font-size:1.12rem;line-height:1.72}
.mag-body p{margin:0 0 1.15rem}
.dropcap::first-letter{float:left;font-family:var(--serif);font-size:3.6rem;line-height:.82;
  padding:.05em .12em 0 0;color:var(--ocean-deep);font-weight:600}
.byline{font-family:var(--sans);font-size:.82rem;text-transform:uppercase;letter-spacing:.14em;color:var(--slate)}
.pull{font-family:var(--serif);font-size:1.5rem;line-height:1.35;color:var(--ocean-deep);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.1rem 0;margin:1.8rem 0}
.figc{font-size:.8rem;color:var(--slate);margin-top:.4rem;font-family:var(--sans)}

/* breadcrumb */
.crumb{font-size:.82rem;color:var(--slate);margin:1.4rem 0 .4rem}
.crumb a{color:var(--slate)}

/* utilities */
.stack>*+*{margin-top:1rem}
.flex{display:flex;gap:1rem;flex-wrap:wrap}
.between{justify-content:space-between}
.items-center{align-items:center}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.pill-row{display:flex;gap:.5rem;flex-wrap:wrap}
.stat{font-family:var(--serif);font-size:2rem;color:var(--ocean-deep);line-height:1}
.divider-brass{height:2px;width:56px;background:var(--brass);margin:1rem 0}

/* print */
@media print{
  .no-print,.pi-top,.pi-foot,.pi-burger{display:none!important}
  body{background:#fff;color:#111;font-size:11pt}
  .section{padding:0}
  a{color:#111;text-decoration:none}
  .watermark span{color:rgba(164,133,79,.16)}
}