/*
Theme Name: Green IP Exchange
Theme URI: https://example.com/
Author: Generated for client deployment
Author URI: https://example.com/
Description: Custom one-page landing theme for the Green IP Exchange concept dossier — patents/IP marketplace for green industrial tech, built for brokers, intermediaries, and private equity. Single full-bleed design, no page builder required.
Version: 1.0.0
License: GPL-2.0+
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: green-ip-exchange
*/

  :root{
    --navy:#0E2233;
    --navy-deep:#081521;
    --blueline:#9FD8D3;
    --blueline-dim:rgba(159,216,211,0.22);
    --moss:#5B8C5A;
    --moss-bright:#7BB377;
    --brass:#C9A45C;
    --paper:#F2EEE2;
    --ink:#1B2A22;
    --ink-soft:#4A5C53;
    --white:#F7F8F6;
    --radius:2px;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--navy);
    color:var(--white);
    font-family:'IBM Plex Sans', sans-serif;
    line-height:1.6;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none;}
  .label{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.72rem;
    letter-spacing:0.14em;
    text-transform:uppercase;
  }
  .wrap{max-width:1180px;margin:0 auto;padding:0 32px;}

  /* background blueprint grid */
  .bp-grid{
    position:fixed; inset:0; z-index:0; pointer-events:none;
    background-image:
      linear-gradient(var(--blueline-dim) 1px, transparent 1px),
      linear-gradient(90deg, var(--blueline-dim) 1px, transparent 1px);
    background-size:48px 48px;
    opacity:0.5;
    mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 75%);
  }

  /* nav */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(8,21,33,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--blueline-dim);
  }
  nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 32px; max-width:1180px; margin:0 auto;
  }
  .brand{display:flex; align-items:center; gap:10px;}
  .brand-mark{
    width:30px; height:30px; border:1.5px solid var(--moss-bright);
    border-radius:50%; display:flex; align-items:center; justify-content:center;
    font-family:'IBM Plex Mono'; font-size:0.6rem; color:var(--moss-bright);
  }
  .brand-name{font-family:'Fraunces'; font-weight:600; font-size:1.05rem; letter-spacing:0.01em;}
  .navlinks{display:flex; gap:30px;}
  .navlinks a{
    font-family:'IBM Plex Mono'; font-size:0.74rem; letter-spacing:0.08em; text-transform:uppercase;
    color:rgba(247,248,246,0.65); transition:color .2s;
  }
  .navlinks a:hover{color:var(--moss-bright);}
  @media (max-width:760px){ .navlinks{display:none;} }

  /* hero */
  .hero{position:relative; z-index:1; padding:96px 0 80px;}
  .hero-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:start;}
  @media (max-width:900px){ .hero-grid{grid-template-columns:1fr;} }

  .eyebrow{color:var(--moss-bright); margin-bottom:22px; display:flex; align-items:center; gap:10px;}
  .eyebrow::before{content:''; width:22px; height:1px; background:var(--moss-bright); display:inline-block;}

  h1{
    font-family:'Fraunces'; font-weight:500; font-size:clamp(2.3rem,4.4vw,3.6rem);
    line-height:1.08; letter-spacing:-0.01em; max-width:13ch;
  }
  h1 em{font-style:italic; font-weight:500; color:var(--moss-bright);}

  .hero-sub{
    margin-top:24px; max-width:46ch; color:rgba(247,248,246,0.78); font-size:1.02rem;
  }
  .hero-ctas{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
  .btn{
    font-family:'IBM Plex Mono'; font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase;
    padding:13px 22px; border-radius:var(--radius); transition:all .2s; display:inline-block; cursor:pointer;
  }
  .btn-primary{background:var(--moss-bright); color:var(--navy-deep); font-weight:600;}
  .btn-primary:hover{background:var(--white);}
  .btn-ghost{border:1px solid rgba(247,248,246,0.3); color:var(--white);}
  .btn-ghost:hover{border-color:var(--moss-bright); color:var(--moss-bright);}

  /* cover sheet card (signature element) */
  .coversheet{
    background:var(--paper); color:var(--ink); border-radius:var(--radius);
    padding:30px 28px 26px; position:relative; box-shadow:0 30px 60px -20px rgba(0,0,0,0.5);
    transform:rotate(0.4deg);
  }
  .coversheet::before, .coversheet::after,
  .coversheet .corner-tl, .coversheet .corner-br{
    content:''; position:absolute; width:14px; height:14px; opacity:0.5;
  }
  .crop{position:absolute; width:16px; height:16px; pointer-events:none;}
  .crop::before, .crop::after{content:''; position:absolute; background:var(--ink); opacity:0.45;}
  .crop::before{width:16px; height:1px; top:8px; left:0;}
  .crop::after{width:1px; height:16px; top:0; left:8px;}
  .crop.tl{top:8px; left:8px;}
  .crop.tr{top:8px; right:8px;}
  .crop.bl{bottom:8px; left:8px;}
  .crop.br{bottom:8px; right:8px;}

  .cs-row{display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:18px;}
  .cs-title{font-family:'Fraunces'; font-style:italic; font-weight:500; font-size:1.18rem;}
  .cs-meta{font-family:'IBM Plex Mono'; font-size:0.68rem; color:var(--ink-soft); text-align:right; line-height:1.5;}
  .cs-divider{height:1px; background:rgba(27,42,34,0.18); margin:16px 0;}
  .cs-fields{display:grid; grid-template-columns:1fr 1fr; gap:14px 18px; font-size:0.84rem;}
  .cs-fields .k{font-family:'IBM Plex Mono'; font-size:0.62rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:3px;}

  .seal{
    position:absolute; right:-14px; bottom:-22px; width:108px; height:108px; border-radius:50%;
    border:2px dashed rgba(91,140,90,0.55); display:flex; align-items:center; justify-content:center;
    text-align:center; transform:rotate(-9deg); background:rgba(242,238,226,0.92);
  }
  .seal-inner{
    width:84px; height:84px; border-radius:50%; border:1px solid rgba(91,140,90,0.55);
    display:flex; align-items:center; justify-content:center; padding:6px;
    font-family:'IBM Plex Mono'; font-size:0.52rem; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--moss); line-height:1.4;
  }

  /* sections */
  section{position:relative; z-index:1; padding:84px 0;}
  .section-head{max-width:640px; margin-bottom:48px;}
  h2{font-family:'Fraunces'; font-weight:500; font-size:clamp(1.7rem,3vw,2.3rem); letter-spacing:-0.01em;}
  .section-sub{color:rgba(247,248,246,0.68); margin-top:14px; font-size:0.98rem;}

  .hr{height:1px; background:var(--blueline-dim);}

  /* about */
  .about-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--blueline-dim); border:1px solid var(--blueline-dim);}
  .about-cell{background:var(--navy); padding:30px 26px;}
  .about-cell .num{font-family:'IBM Plex Mono'; color:var(--moss-bright); font-size:0.72rem;}
  .about-cell h3{font-family:'Fraunces'; font-weight:500; font-size:1.08rem; margin:14px 0 10px;}
  .about-cell p{color:rgba(247,248,246,0.68); font-size:0.92rem;}
  @media (max-width:760px){ .about-grid{grid-template-columns:1fr;} }

  /* listings */
  .disclaimer{
    font-family:'IBM Plex Mono'; font-size:0.7rem; color:var(--brass); letter-spacing:0.04em;
    border-left:2px solid var(--brass); padding-left:12px; margin-bottom:36px; max-width:560px;
  }
  .listings{display:grid; grid-template-columns:repeat(2,1fr); gap:18px;}
  @media (max-width:820px){ .listings{grid-template-columns:1fr;} }
  .listing{
    background:rgba(247,248,246,0.04); border:1px solid var(--blueline-dim); padding:24px;
    position:relative; transition:transform .25s, border-color .25s; overflow:hidden;
  }
  .listing:hover{transform:translateY(-3px); border-color:var(--moss-bright);}
  .listing .watermark{
    position:absolute; top:14px; right:-26px; background:var(--brass); color:var(--navy-deep);
    font-family:'IBM Plex Mono'; font-size:0.58rem; letter-spacing:0.08em; text-transform:uppercase;
    padding:3px 30px; transform:rotate(35deg); font-weight:500;
  }
  .listing-top{display:flex; justify-content:space-between; align-items:flex-start; gap:14px; margin-bottom:12px;}
  .listing h4{font-family:'Fraunces'; font-weight:500; font-size:1.12rem; max-width:22ch;}
  .pid{font-family:'IBM Plex Mono'; font-size:0.66rem; color:var(--moss-bright); white-space:nowrap;}
  .listing p{color:rgba(247,248,246,0.66); font-size:0.88rem; margin-bottom:16px;}
  .tags{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px;}
  .tag{
    font-family:'IBM Plex Mono'; font-size:0.62rem; letter-spacing:0.04em; text-transform:uppercase;
    border:1px solid rgba(247,248,246,0.22); padding:4px 9px; color:rgba(247,248,246,0.7);
  }
  .tag.status-open{border-color:var(--moss-bright); color:var(--moss-bright);}
  .tag.status-draft{border-color:var(--brass); color:var(--brass);}
  .tag.status-review{border-color:rgba(159,216,211,0.7); color:var(--blueline);}
  .listing-foot{display:flex; justify-content:space-between; align-items:center; padding-top:12px; border-top:1px solid var(--blueline-dim);}
  .listing-foot .link{font-family:'IBM Plex Mono'; font-size:0.72rem; color:var(--moss-bright);}
  .listing-foot .link:hover{text-decoration:underline;}

  /* audiences */
  .aud-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  @media (max-width:820px){ .aud-grid{grid-template-columns:1fr;} }
  .aud-card{padding:28px 24px; border:1px solid var(--blueline-dim); background:rgba(247,248,246,0.03);}
  .aud-icon{width:38px; height:38px; border-radius:50%; border:1px solid var(--moss-bright); margin-bottom:18px; display:flex; align-items:center; justify-content:center; font-family:'IBM Plex Mono'; font-size:0.7rem; color:var(--moss-bright);}
  .aud-card h3{font-family:'Fraunces'; font-weight:500; font-size:1.1rem; margin-bottom:10px;}
  .aud-card p{font-size:0.9rem; color:rgba(247,248,246,0.68);}

  /* process */
  .process{display:flex; flex-direction:column;}
  .step{display:grid; grid-template-columns:70px 1fr; gap:20px; padding:22px 0; border-top:1px solid var(--blueline-dim);}
  .step:last-child{border-bottom:1px solid var(--blueline-dim);}
  .step .n{font-family:'IBM Plex Mono'; color:var(--moss-bright); font-size:0.9rem;}
  .step h4{font-family:'Fraunces'; font-weight:500; font-size:1.05rem; margin-bottom:6px;}
  .step p{color:rgba(247,248,246,0.65); font-size:0.9rem; max-width:60ch;}

  /* regions */
  .regions{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--blueline-dim); border:1px solid var(--blueline-dim); margin-top:10px;}
  .region{background:var(--navy); padding:26px;}
  .region .flag{font-family:'IBM Plex Mono'; font-size:0.68rem; color:var(--brass); letter-spacing:0.06em; text-transform:uppercase; margin-bottom:10px;}
  .region h4{font-family:'Fraunces'; font-weight:500; font-size:1.05rem; margin-bottom:8px;}
  .region p{font-size:0.87rem; color:rgba(247,248,246,0.65);}
  @media (max-width:820px){ .regions{grid-template-columns:1fr;} }

  /* contact */
  .contact-box{
    background:var(--paper); color:var(--ink); border-radius:var(--radius); padding:40px;
    display:grid; grid-template-columns:1fr 1fr; gap:30px;
  }
  @media (max-width:820px){ .contact-box{grid-template-columns:1fr; padding:28px;} }
  .contact-box h2{color:var(--ink);}
  .contact-box .section-sub{color:var(--ink-soft);}
  .field{margin-bottom:16px;}
  .field label{display:block; font-family:'IBM Plex Mono'; font-size:0.66rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:6px;}
  .field input, .field select, .field textarea{
    width:100%; border:1px solid rgba(27,42,34,0.25); background:transparent; padding:10px 12px;
    font-family:'IBM Plex Sans'; font-size:0.92rem; color:var(--ink); border-radius:var(--radius);
  }
  .field textarea{resize:vertical; min-height:80px;}
  .contact-box .btn-primary{margin-top:6px;}
  .form-note{font-family:'IBM Plex Mono'; font-size:0.68rem; color:var(--ink-soft); margin-top:10px;}

  footer{position:relative; z-index:1; padding:40px 0 56px; border-top:1px solid var(--blueline-dim);}
  .foot-grid{display:flex; justify-content:space-between; align-items:flex-end; gap:20px; flex-wrap:wrap;}
  .foot-note{font-family:'IBM Plex Mono'; font-size:0.7rem; color:rgba(247,248,246,0.45); max-width:60ch; line-height:1.7;}

  .reveal{opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease;}
  .reveal.in{opacity:1; transform:translateY(0);}