/*
Theme Name: Trefton
Theme URI: https://trefton.com
Author: Trefton Engineering
Description: Custom landing theme for Trefton Engineering. front-page.php renders the homepage automatically.
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: trefton
*/

  :root{
    --ink:#241D4F;
    --body:#6B6F85;
    --paper:#FAFBFD;
    --line:#E2E6EF;
    --accent:#6A5CFF;
    --navy:#16244A;
    --chipbg:#F1F2FB;
    --grad:linear-gradient(135deg,#00C2FF 0%,#6A5CFF 55%,#A34BFF 100%);
    --grad-dark:linear-gradient(135deg,#4FE0FF 0%,#8F7BFF 55%,#C96BFF 100%);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:'Poppins',sans-serif;background:var(--paper);color:var(--ink)}
  .wrap{max-width:1140px;margin:0 auto;padding:0 24px}
  a{text-decoration:none;color:inherit}

  nav{position:sticky;top:0;background:rgba(250,251,253,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:20}
  .nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:23px;letter-spacing:-0.5px}
  .nav-links{display:flex;gap:30px;font-size:15px;font-weight:500;color:var(--body)}
  .nav-links a:hover{color:var(--ink)}
  .btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .15s ease}
  .btn-grad{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(106,92,255,.28)}
  .btn-grad:hover{transform:translateY(-1px)}
  .btn-ghost{border:1.5px solid var(--line);color:var(--ink);background:#fff}
  .btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

  .hero{padding:80px 0 56px}
  .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}
  h1{font-size:clamp(32px,4.2vw,50px);line-height:1.14;font-weight:700;letter-spacing:-0.02em}
  .hero p{margin:20px 0 30px;font-size:16.5px;line-height:1.7;color:var(--body);max-width:56ch}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
  .hero-art{display:flex;justify-content:center}

  .facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
  .facts-in{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:26px 0}
  .fact{display:flex;gap:14px;align-items:flex-start}
  .fact .fdot{width:10px;height:10px;border-radius:50%;background:var(--grad);margin-top:7px;flex:none}
  .fact strong{display:block;font-size:15.5px;font-weight:600}
  .fact span{font-size:13.5px;color:var(--body);line-height:1.55}

  section{padding:80px 0}
  .kicker{color:var(--accent);font-weight:600;font-size:15px}
  h2{font-size:clamp(25px,3.2vw,36px);font-weight:700;letter-spacing:-0.02em;margin:8px 0 14px}
  .lede{color:var(--body);font-size:16px;line-height:1.7;max-width:66ch}

  .svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
  .svc{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;display:flex;flex-direction:column}
  .svc details{margin-top:auto}
  .svc summary{list-style:none;cursor:pointer;color:var(--accent);font-weight:600;font-size:14px;padding-top:4px;display:inline-block}
  .svc summary::-webkit-details-marker{display:none}
  .svc summary::after{content:" +";font-weight:700}
  .svc details[open] summary::after{content:" \2212"}
  .svc details .chips{margin-top:14px}
  .svc-head{display:flex;align-items:center;gap:14px;margin-bottom:12px}
  .svc-head .ic{width:42px;height:42px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;flex:none}
  .svc h3{font-size:16.5px;font-weight:600;line-height:1.3}
  .svc > p{font-size:14px;line-height:1.6;color:var(--body);margin-bottom:14px}
  .chips{display:flex;flex-wrap:wrap;gap:7px}
  .chips span{background:var(--chipbg);color:#4a4670;font-size:12.5px;font-weight:500;padding:5px 11px;border-radius:999px}
  .std{margin-top:14px;font-size:12.5px;color:#9aa1b5}

  .how{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .steps{margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr)}
  .step{padding-right:26px;position:relative}
  .step .dot{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:16px}
  .step::before{content:"";position:absolute;top:19px;left:48px;right:8px;height:2px;background:var(--line)}
  .step:last-child::before{display:none}
  .step h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
  .step p{font-size:14px;line-height:1.65;color:var(--body)}

  .approach{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:44px}
  .app{border-top:3px solid transparent;border-image:var(--grad) 1;padding-top:16px}
  .app h3{font-size:15.5px;font-weight:600;margin-bottom:8px}
  .app p{font-size:13.5px;line-height:1.6;color:var(--body)}

  .heritage{background:var(--navy);color:#fff}
  .heritage .kicker{color:#8F7BFF}
  .heritage h2{color:#fff}
  .her-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:start}
  .heritage p{color:#B9C3DC;font-size:15.5px;line-height:1.75;margin-bottom:16px;max-width:58ch}
  .vm{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:24px;margin-bottom:18px}
  .vm h3{font-size:15px;font-weight:600;margin-bottom:8px;background:var(--grad-dark);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}
  .vm p{font-size:14px;margin:0;color:#CBD4E8}
  .tagrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
  .tagrow span{border:1px solid rgba(255,255,255,.22);color:#DCE3F2;font-size:12.5px;padding:6px 13px;border-radius:999px}

  .duo{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px}
  .panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 26px}
  .panel h3{font-size:17px;font-weight:600;margin-bottom:14px}
  .panel ul{list-style:none}
  .panel li{font-size:14.5px;color:var(--body);padding:8px 0;border-bottom:1px solid var(--chipbg);display:flex;gap:10px;align-items:baseline}
  .panel li:last-child{border-bottom:none}
  .panel li b{color:var(--ink);font-weight:600;white-space:nowrap}
  .panel li em{font-style:normal}

  .cta{background:var(--navy);color:#fff;border-radius:24px;padding:60px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
  .cta h2{color:#fff;margin:0 0 6px}
  .cta p{color:#B9C3DC;font-size:15.5px;max-width:52ch}
  .cta .btn-grad{background:var(--grad-dark)}

  footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 32px;margin-top:80px}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
  .foot-grid p{color:var(--body);font-size:14px;line-height:1.7;max-width:40ch;margin-top:14px}
  .foot-grid h4{font-size:15px;font-weight:600;margin-bottom:14px}
  .foot-grid ul{list-style:none}
  .foot-grid li{margin-bottom:10px}
  .foot-grid li a{color:var(--body);font-size:14.5px}
  .foot-grid li a:hover{color:var(--accent)}
  .legal{border-top:1px solid var(--line);margin-top:44px;padding-top:22px;font-size:13px;color:#9aa1b5}

  @media(max-width:1080px){.svc-grid{grid-template-columns:1fr 1fr}}
  @media(max-width:960px){
    .duo,.her-grid{grid-template-columns:1fr}
    .approach{grid-template-columns:1fr 1fr}
    .facts-in{grid-template-columns:1fr}
  }
  @media(max-width:700px){.svc-grid{grid-template-columns:1fr}}
  @media(max-width:900px){
    .hero-grid{grid-template-columns:1fr}
    .hero-art{order:-1}
    .hero-art svg{max-width:200px}
    .steps{grid-template-columns:1fr;gap:34px}
    .step::before{display:none}
    .foot-grid{grid-template-columns:1fr}
    .nav-links{display:none}
  }
  @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}


/* Generic inner-page content styling */
.page-content{max-width:820px;margin:0 auto;padding:64px 24px}
.page-content h1{font-size:clamp(28px,3.6vw,42px);margin-bottom:24px}
.page-content h2{font-size:24px;margin:32px 0 12px}
.page-content p, .page-content li{font-size:15.5px;line-height:1.75;color:var(--body);margin-bottom:14px}
.page-content ul{padding-left:22px}