/*
Theme Name: RJI — Energy Infrastructure Advisors
Theme URI: https://rji-consultants.co.uk
Author: RJ International
Author URI: https://rji-consultants.co.uk
Description: Custom theme for RJI (RJ International) — independent energy infrastructure advisors. Built on the Route 02 identity: RJI wordmark, Signal Green accent, Infrastructure Green palette. Pages: Home, About, Industries, Case Studies, Contact.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: Proprietary — RJ International. All rights reserved.
Text Domain: rji
*/

/* ============================================================
   1. Brand tokens
   ============================================================ */
:root{
  --infra-green:#103B2C;   /* primary */
  --infra-green-deep:#0C2C21;
  --ink:#1B231F;           /* text */
  --signal:#33C285;        /* accent square */
  --signal-soft:#5CD3A3;
  --paper:#F4F1E9;         /* ground */
  --paper-deep:#EBE7DB;
  --slate:#6E726B;         /* secondary */
  --white:#FFFFFF;
  --line:rgba(27,35,31,.12);
  --line-light:rgba(236,233,223,.18);

  --maxw:1180px;
  --gutter:clamp(20px,5vw,48px);
  --radius:4px;
  --font:-apple-system,'Helvetica Neue','Liberation Sans',Arial,sans-serif;
  --shadow:0 1px 2px rgba(16,59,44,.04),0 12px 40px rgba(16,59,44,.08);
}

/* ============================================================
   2. Reset / base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font);font-size:18px;line-height:1.65;
  font-weight:400;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--infra-green);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--signal)}
h1,h2,h3,h4{font-weight:600;line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.4rem,5.4vw,4rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem)}
h4{font-size:1.05rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.1em}
li{margin:.3em 0}
strong{font-weight:600}

/* ============================================================
   3. Layout helpers
   ============================================================ */
.container{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(56px,8vw,110px)}
.section--tight{padding-block:clamp(40px,5vw,64px)}
.bg-paper{background:var(--paper)}
.bg-paper-deep{background:var(--paper-deep)}
.bg-white{background:var(--white)}
.bg-green{background:var(--infra-green);color:var(--paper)}
.bg-green h1,.bg-green h2,.bg-green h3,.bg-green h4{color:var(--white)}
.bg-green a{color:var(--signal-soft)}
.bg-green a:hover{color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:.55em;
  font-size:.78rem;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--slate);margin:0 0 1.1rem;
}
.eyebrow::before{content:"";width:9px;height:9px;background:var(--signal);display:inline-block}
.bg-green .eyebrow{color:var(--signal-soft)}

.lead{font-size:clamp(1.1rem,1.6vw,1.35rem);line-height:1.55;color:var(--ink);max-width:48ch}
.bg-green .lead{color:rgba(244,241,233,.92)}
.measure{max-width:62ch}

/* ============================================================
   4. Buttons
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-size:.95rem;font-weight:600;letter-spacing:.01em;
  padding:.85em 1.5em;border-radius:var(--radius);border:1.5px solid transparent;
  cursor:pointer;transition:all .18s ease;line-height:1;
}
.btn--primary{background:var(--signal);color:var(--infra-green-deep)}
.btn--primary:hover{background:var(--signal-soft);color:var(--infra-green-deep)}
.btn--ghost{background:transparent;border-color:currentColor;color:var(--infra-green)}
.btn--ghost:hover{background:var(--infra-green);color:var(--paper);border-color:var(--infra-green)}
.bg-green .btn--ghost{color:var(--paper)}
.bg-green .btn--ghost:hover{background:var(--paper);color:var(--infra-green)}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}

/* ============================================================
   5. Header / nav
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--infra-green);
  border-bottom:1px solid var(--line-light);
}
.site-header__top{background:var(--infra-green-deep);border-bottom:1px solid var(--line-light)}
.site-header__top-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:40px}
.header-tagline{font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:rgba(244,241,233,.55)}
.header-contact{display:flex;align-items:center;gap:1.6rem}
.header-contact a{display:inline-flex;align-items:center;gap:.45em;font-size:.84rem;font-weight:500;color:rgba(244,241,233,.88)}
.header-contact a:hover{color:var(--signal)}
.header-contact svg{opacity:.85}
@media(max-width:680px){.header-tagline{display:none}.site-header__top-inner{justify-content:center}}
@media(max-width:430px){.header-email{display:none}}

.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;height:74px}
.brand{display:flex;align-items:center}
.brand svg{height:auto;width:auto}

/* logo lockup: wordmark | rule | descriptor */
.rji-lock{display:inline-flex;align-items:center;gap:.6rem}
.rji-lock svg{display:block}
.rji-lock__rule{display:block;width:1.5px;height:2.3em;opacity:.45}
.rji-lock__desc{
  font-size:.58rem;font-weight:600;line-height:1.25;letter-spacing:.15em;
  text-transform:uppercase;white-space:nowrap;
}
.rji-lock--reversed .rji-lock__rule{background:rgba(244,241,233,.55)}
.rji-lock--reversed .rji-lock__desc{color:rgba(244,241,233,.82)}
.rji-lock--primary .rji-lock__rule{background:var(--line)}
.rji-lock--primary .rji-lock__desc{color:var(--slate)}
@media(max-width:560px){.rji-lock__rule,.rji-lock__desc{display:none}}
.nav{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav li{list-style:none;margin:0}
.nav .current-menu-item>a,.nav .current_page_item>a{color:#fff;background:rgba(255,255,255,.07)}
.nav a{
  color:rgba(244,241,233,.86);font-size:.95rem;font-weight:500;
  padding:.6em .9em;border-radius:var(--radius);letter-spacing:.01em;
}
.nav a:hover,.nav a.current{color:#fff;background:rgba(255,255,255,.07)}
.nav .nav-cta{margin-left:.6rem;background:var(--signal);color:var(--infra-green-deep);font-weight:600}
.nav .nav-cta:hover{background:var(--signal-soft);color:var(--infra-green-deep)}
.nav-toggle{display:none;background:none;border:0;color:var(--paper);cursor:pointer;padding:.4em}
.nav-toggle svg{height:26px;width:26px}

@media(max-width:860px){
  .nav-toggle{display:block}
  .nav{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--infra-green-deep);padding:.6rem var(--gutter) 1.2rem;gap:2px;
    border-bottom:1px solid var(--line-light);display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:.8em .6em}
  .nav .nav-cta{margin:.5rem 0 0;text-align:center;justify-content:center}
}

/* ============================================================
   6. Hero
   ============================================================ */
.hero{position:relative;background:var(--infra-green);color:var(--paper);overflow:hidden}
.hero--image{background-size:cover;background-position:center right;background-repeat:no-repeat}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 120% at 100% 0%,rgba(51,194,133,.18),transparent 55%),
    linear-gradient(180deg,transparent 60%,rgba(12,44,33,.6));
}
.hero__inner{position:relative;z-index:1;padding-block:clamp(72px,12vw,140px);max-width:62ch}
.hero__brand{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap;margin-bottom:1.7rem}
.hero__brand svg{height:clamp(34px,4.4vw,46px);width:auto}
.hero__brand-rule{width:1.5px;height:1.9em;background:rgba(244,241,233,.5)}
.hero__brand-desc{font-size:.8rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:rgba(244,241,233,.85);line-height:1.2}
.hero h1{color:#fff;margin-bottom:.35em}
.hero h1 .sq{color:var(--signal)}
.hero .lead{color:rgba(244,241,233,.9);font-size:clamp(1.15rem,1.9vw,1.5rem);max-width:46ch}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:1.6rem 2.6rem;margin-top:2.6rem;
  padding-top:1.8rem;border-top:1px solid var(--line-light);
}
.hero__meta .stat .n{font-size:1.9rem;font-weight:600;color:#fff;letter-spacing:-.02em;display:block;line-height:1}
.hero__meta .stat .l{font-size:.82rem;color:rgba(244,241,233,.72);letter-spacing:.02em;margin-top:.4rem;display:block}

/* page hero (interior pages) */
.page-hero{background:var(--infra-green);color:var(--paper)}
.page-hero--image{background-size:cover;background-position:center;background-repeat:no-repeat}
.page-hero__inner{padding-block:clamp(56px,8vw,96px);max-width:60ch}
.page-hero h1{color:#fff}
.page-hero h1 .sq{color:var(--signal)}
.page-hero .lead{color:rgba(244,241,233,.9)}

/* ============================================================
   7. Pillars / cards
   ============================================================ */
.grid{display:grid;gap:clamp(20px,2.4vw,32px)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,3vw,38px);transition:transform .2s ease,box-shadow .2s ease;height:100%;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .num{font-size:.8rem;font-weight:600;letter-spacing:.12em;color:var(--signal);text-transform:uppercase}
.card h3{margin-top:.7rem}
.card p{color:var(--slate);margin-bottom:0;font-size:1rem}
.card__accent{width:34px;height:6px;background:var(--signal);margin-bottom:1.4rem}

/* ============================================================
   8. Stats band
   ============================================================ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px);text-align:left}
@media(max-width:780px){.stats{grid-template-columns:repeat(2,1fr)}}
.stats .stat .n{font-size:clamp(2rem,4vw,3rem);font-weight:600;letter-spacing:-.03em;line-height:1;color:#fff}
.stats .stat .n .sq{color:var(--signal)}
.stats .stat .l{margin-top:.7rem;font-size:.9rem;color:rgba(244,241,233,.78);line-height:1.4}

/* ============================================================
   9. Case studies
   ============================================================ */
.case{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,3vw,36px);display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.case:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.case__tag{
  align-self:flex-start;font-size:.74rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--infra-green);background:rgba(51,194,133,.16);padding:.4em .7em;border-radius:3px;margin-bottom:1.1rem;
}
.case__metric{font-size:1.5rem;font-weight:600;letter-spacing:-.02em;color:var(--infra-green);margin-bottom:.2rem}
.case h3{font-size:1.2rem;margin-bottom:.15rem}
.case__client{font-size:.85rem;color:var(--slate);font-weight:600;letter-spacing:.02em;margin-bottom:1rem}
.case p{font-size:.97rem;color:var(--slate);margin-bottom:1.2rem}
.case ul{font-size:.92rem;color:var(--ink);padding-left:1.1em;margin-bottom:0}
.case ul li{margin:.35em 0}
.case ul li::marker{color:var(--signal)}

/* ============================================================
   10. Split / feature rows
   ============================================================ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.split--reverse .split__media{order:-1}
@media(max-width:860px){.split--reverse .split__media{order:0}}

/* industries list */
.ind{
  border-top:1px solid var(--line);padding:clamp(22px,3vw,34px) 0;
  display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,4vw,56px);align-items:start;
}
.ind:last-child{border-bottom:1px solid var(--line)}
.ind__no{font-size:1rem;font-weight:600;color:var(--signal);letter-spacing:.1em;padding-top:.4rem}
.ind h3{margin-bottom:.5rem}
.ind p{color:var(--slate);margin-bottom:.7rem}
.ind .tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.2rem}
.ind .tags span{font-size:.8rem;color:var(--infra-green);background:var(--paper-deep);padding:.35em .75em;border-radius:3px}
.bg-white .ind .tags span{background:var(--paper)}

/* clients strip */
.clients{display:flex;flex-wrap:wrap;gap:.7rem 1rem;align-items:center}
.clients span{
  font-size:.95rem;font-weight:600;letter-spacing:.01em;color:var(--infra-green);
  background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:.55em 1em;
}

/* client logo wall */
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.6vw,20px)}
@media(max-width:860px){.logo-wall{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.logo-wall{grid-template-columns:repeat(2,1fr)}}
.logo-tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  padding:clamp(14px,2vw,24px);min-height:104px;transition:box-shadow .2s ease;
}
.logo-tile:hover{box-shadow:var(--shadow)}
.logo-tile img{max-height:48px;max-width:100%;width:auto;object-fit:contain;display:block}
.clients-more{margin-top:1.3rem;font-size:.9rem;color:var(--slate)}

/* ============================================================
   11. Team
   ============================================================ */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,30px)}
@media(max-width:860px){.team{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.team{grid-template-columns:1fr}}
.member{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,2.5vw,30px)}
.member__mono{
  width:48px;height:48px;border-radius:3px;background:var(--infra-green);color:var(--signal);
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.05rem;letter-spacing:.02em;margin-bottom:1.1rem;
}
.member h4{margin-bottom:.15rem;font-size:1.15rem}
.member .role{font-size:.85rem;color:var(--signal);font-weight:600;letter-spacing:.02em;margin-bottom:.8rem;display:block}
.member p{font-size:.92rem;color:var(--slate);margin-bottom:0}

/* ============================================================
   12. Contact
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,6vw,80px);align-items:start}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact-detail{margin-bottom:1.8rem}
.contact-detail .k{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:.3rem}
.contact-detail .v{font-size:1.15rem;font-weight:500}
.contact-detail .v a{color:var(--infra-green)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.85rem;font-weight:600;letter-spacing:.02em;margin-bottom:.4rem}
.field input,.field textarea,.field select{
  width:100%;font:inherit;font-size:1rem;padding:.8em .9em;
  border:1.5px solid var(--line);border-radius:var(--radius);background:var(--white);color:var(--ink);
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(51,194,133,.18)}
.field textarea{min-height:140px;resize:vertical}
.form-note{font-size:.85rem;color:var(--slate);margin-top:.4rem}
.notice{padding:.9em 1.1em;border-radius:var(--radius);font-size:.95rem;margin-bottom:1.4rem}
.notice--ok{background:rgba(51,194,133,.16);color:var(--infra-green-deep);border:1px solid rgba(51,194,133,.4)}
.notice--err{background:#fbeae9;color:#8a2b22;border:1px solid #e7b3ad}

/* ============================================================
   13. CTA band
   ============================================================ */
.cta-band{background:var(--infra-green);color:var(--paper);text-align:center}
.cta-band h2{color:#fff;max-width:18ch;margin-inline:auto}
.cta-band .sq{color:var(--signal)}
.cta-band p{color:rgba(244,241,233,.88);max-width:50ch;margin-inline:auto}
.cta-band .btn-row{justify-content:center}

/* ============================================================
   14. Footer
   ============================================================ */
.site-footer{background:var(--infra-green-deep);color:rgba(244,241,233,.78);padding-block:clamp(48px,6vw,72px) 0}
.site-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(28px,5vw,56px)}
@media(max-width:780px){.site-footer__grid{grid-template-columns:1fr;gap:32px}}
.site-footer .brand svg{height:32px;margin-bottom:1.2rem}
.site-footer p{font-size:.95rem;max-width:34ch}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.5em 0}
.site-footer a{color:rgba(244,241,233,.78)}
.site-footer a:hover{color:var(--signal)}
.site-footer__bar{
  margin-top:clamp(36px,5vw,56px);border-top:1px solid var(--line-light);
  padding-block:1.6rem;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:space-between;
  font-size:.82rem;color:rgba(244,241,233,.6);
}
.descriptor{font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(244,241,233,.6)}

/* ============================================================
   15. Utilities / reveal
   ============================================================ */
.center{text-align:center}
.mb0{margin-bottom:0}
.mt0{margin-top:0}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:var(--gutter);top:.6rem;z-index:100;background:var(--signal);color:var(--infra-green-deep);padding:.6em 1em;border-radius:var(--radius)}