/* ===========================================================
   PISTAPLY — Shared Design System
   =========================================================== */

:root{
  --navy-900:#0B1526;
  --navy-800:#12203A;
  --navy-700:#1B2E52;
  --gold:#A9832E;
  --gold-light:#C9A662;
  --paper:#FFFFFF;
  --ink:#12203A;
  --ink-soft:#54607A;
  --line:#E4E7EE;
  --bg-soft:#F8F7F4;
  --max:1120px;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Manrope', sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Fraunces', serif;
  font-weight:500;
  letter-spacing:-0.01em;
  color:var(--navy-800);
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}

.wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}

.eyebrow{
  position:relative;
  display:inline-block;
  padding-left:16px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{
  content:'';
  position:absolute;
  left:0; top:50%;
  transform:translateY(-50%);
  width:7px; height:7px;
  background:var(--gold);
}
.frameworks .eyebrow::before{background:var(--gold-light);}

/* ---------- Brand watermark (hero backgrounds) ---------- */
.hero, .page-hero{position:relative; overflow:hidden;}
.hero::before, .page-hero::before{
  content:'';
  position:absolute;
  top:-130px; right:-150px;
  width:560px; height:560px;
  background-image:url('pistaply-icon.png');
  background-size:contain;
  background-repeat:no-repeat;
  opacity:0.05;
  pointer-events:none;
  z-index:0;
}
.page-hero::before{width:380px; height:380px; top:-90px; right:-100px;}
.hero .wrap, .page-hero .wrap{position:relative; z-index:1;}
@media (max-width:700px){
  .hero::before, .page-hero::before{width:280px; height:280px; top:-60px; right:-80px; opacity:0.06;}
}

/* ---------- Header ---------- */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px;
  max-width:var(--max); margin:0 auto;
}
.logo-img{height:28px; display:block;}
nav a{
  font-size:14px; font-weight:600; color:var(--ink-soft);
  margin-left:32px;
}
nav a:hover, nav a.active{color:var(--navy-800);}
.nav-cta{
  color:var(--paper) !important;
  background:var(--navy-800);
  padding:9px 18px;
  border-radius:3px;
  font-size:13.5px;
}
.nav-cta:hover{background:var(--navy-700);}
.mobile-toggle{display:none;}

/* ---------- Page hero (interior pages) ---------- */
.page-hero{
  padding:72px 0 56px;
  border-bottom:1px solid var(--line);
}
.page-hero h1{
  font-size:clamp(32px, 4vw, 46px);
  line-height:1.12;
  margin-top:16px;
  max-width:760px;
}
.page-hero p.lede{
  font-size:17px;
  color:var(--ink-soft);
  max-width:600px;
  margin-top:18px;
}

/* ---------- Sections ---------- */
section{padding:80px 0;}
.section-head{max-width:640px; margin-bottom:48px;}
.section-head h2{font-size:clamp(26px, 3vw, 36px); margin-top:14px;}
.section-head p{color:var(--ink-soft); font-size:16.5px; margin-top:16px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 22px;
  border-radius:3px;
  font-weight:700;
  font-size:14px;
  cursor:pointer;
  border:1.5px solid var(--navy-800);
  transition:background 0.15s ease, color 0.15s ease;
}
.btn-primary{background:var(--navy-800); color:var(--paper);}
.btn-primary:hover{background:var(--navy-700);}
.btn-outline{background:transparent; color:var(--navy-800);}
.btn-outline:hover{background:var(--navy-800); color:var(--paper);}

/* ---------- Forms ---------- */
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:700;
  color:var(--navy-800);
  margin-bottom:6px;
}
.field input, .field textarea{
  width:100%;
  padding:13px 14px;
  border:1.5px solid var(--line);
  border-radius:3px;
  font-family:'Manrope', sans-serif;
  font-size:14.5px;
  color:var(--ink);
  background:var(--paper);
}
.field input:focus, .field textarea:focus{outline:none; border-color:var(--gold);}
.field textarea{min-height:130px; resize:vertical;}

.signup{display:flex; gap:10px; max-width:460px;}
.signup input{
  flex:1; padding:14px 16px;
  border:1.5px solid var(--line); border-radius:3px;
  font-family:'Manrope', sans-serif; font-size:14.5px;
  color:var(--ink); background:var(--paper);
}
.signup input:focus{outline:none; border-color:var(--gold);}
.signup button{
  padding:14px 22px; background:var(--navy-800); color:var(--paper);
  border:none; border-radius:3px; font-family:'Manrope', sans-serif;
  font-weight:700; font-size:14.5px; cursor:pointer; white-space:nowrap;
  transition:background 0.15s ease;
}
.signup button:hover{background:var(--navy-700);}
.signup-note{font-size:12.5px; color:var(--ink-soft); margin-top:10px;}
.form-status{font-size:13.5px; margin-top:10px; color:var(--gold); font-weight:600; min-height:18px;}

/* ---------- Pillars (shared: home teaser + approach detail) ---------- */
.pillars{
  display:grid; grid-template-columns:repeat(4, 1fr);
  gap:1px; background:var(--line); border:1px solid var(--line);
}
.pillar{background:var(--paper); padding:36px 28px;}
.pillar .mark{
  width:34px; height:34px; border:1.5px solid var(--gold); border-radius:50%;
  display:flex; align-items:center; justify-content:center; margin-bottom:22px;
  color:var(--gold); font-family:'Fraunces', serif; font-size:15px;
}
.pillar h3{font-size:18px; margin-bottom:10px;}
.pillar p{font-size:14.5px; color:var(--ink-soft);}

/* ---------- Frameworks band ---------- */
.frameworks{background:var(--navy-900); color:#C7CEDD; padding:52px 0;}
.frameworks .eyebrow{color:var(--gold-light);}
.frameworks-list{
  display:flex; flex-wrap:wrap; gap:14px 40px; margin-top:22px;
  font-family:'Fraunces', serif; font-size:19px; color:#EDEFF4;
}
.frameworks-list span{opacity:0.4; font-family:'Manrope', sans-serif; margin-right:8px;}
.frameworks-detail{
  display:grid; grid-template-columns:repeat(2, 1fr); gap:32px; margin-top:36px;
}
.fw-item{border-top:1px solid #253863; padding-top:18px;}
.fw-item h3{color:var(--paper); font-size:18px; margin-bottom:8px;}
.fw-item p{color:#9CA8C2; font-size:14.5px;}

/* ---------- Quote band ---------- */
.quote-band{background:var(--bg-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.quote-band blockquote{
  font-family:'Fraunces', serif; font-size:clamp(22px, 3vw, 32px); font-weight:500;
  line-height:1.35; color:var(--navy-800); max-width:820px;
}
.quote-band cite{
  display:block; margin-top:20px; font-style:normal; font-family:'Manrope', sans-serif;
  font-size:14px; font-weight:600; color:var(--ink-soft);
}

/* ---------- Values / principles list ---------- */
.principles{display:grid; grid-template-columns:repeat(3, 1fr); gap:36px;}
.principle .num{
  font-family:'Fraunces', serif; font-size:14px; color:var(--gold); margin-bottom:12px;
}
.principle h3{font-size:17px; margin-bottom:10px;}
.principle p{font-size:14.5px; color:var(--ink-soft);}

/* ---------- Two-column text block ---------- */
.split{display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px; align-items:start;}
.split p{color:var(--ink-soft); font-size:16px; margin-bottom:16px;}

/* ---------- Footer ---------- */
footer{background:var(--navy-800); color:#C7CEDD; padding:64px 0 36px;}
footer h2{color:var(--paper); font-size:clamp(24px,3vw,32px);}
footer p{color:#9CA8C2; font-size:15px; margin-top:14px; max-width:460px;}
.footer-signup{margin-top:30px; max-width:460px;}
.footer-signup input{background:var(--navy-700); border:1.5px solid #2A3B63; color:var(--paper);}
.footer-signup input::placeholder{color:#8492B0;}
.footer-cols{display:grid; grid-template-columns:1.4fr 0.6fr 0.6fr; gap:40px; margin-top:56px;}
.footer-col h4{color:var(--paper); font-size:13px; letter-spacing:0.06em; text-transform:uppercase; margin-bottom:16px;}
.footer-col a{display:block; font-size:14.5px; color:#9CA8C2; margin-bottom:10px;}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
  margin-top:56px; padding-top:28px; border-top:1px solid #253863;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;
  font-size:13px; color:#7C89A8;
}
.footer-bottom a{font-weight:600; color:#C7CEDD;}
.footer-bottom a:hover{color:var(--gold-light);}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0; transform:translateY(16px); transition:opacity 0.6s ease, transform 0.6s ease;}
.reveal.in{opacity:1; transform:translateY(0);}
@media (prefers-reduced-motion: reduce){ .reveal{opacity:1; transform:none; transition:none;} }

/* ---------- Seal graphic ---------- */
.seal-wrap{display:flex; align-items:center; justify-content:center;}
.seal{width:min(280px, 100%); height:auto;}
.seal circle, .seal path, .seal line{
  stroke-dasharray:800; stroke-dashoffset:800; animation:draw 1.8s ease forwards;
}
.seal .tick{animation-delay:1.1s; stroke-dasharray:20; stroke-dashoffset:20;}
@keyframes draw{ to{stroke-dashoffset:0;} }
@media (prefers-reduced-motion: reduce){ .seal *{animation:none !important; stroke-dashoffset:0 !important;} }

/* ---------- Responsive ---------- */
@media (max-width:860px){
  nav a:not(.nav-cta){display:none;}
  .pillars{grid-template-columns:1fr 1fr;}
  .split, .bip{grid-template-columns:1fr; gap:36px;}
  .signup{flex-direction:column;}
  .signup button{width:100%;}
  .principles{grid-template-columns:1fr;}
  .frameworks-detail{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:1fr; gap:28px;}
}
@media (max-width:520px){
  .pillars{grid-template-columns:1fr;}
  .wrap{padding:0 20px;}
}