/*
Theme Name: CASIP - Langholff
Theme URI: https://langholff.com
Author: David Langholff
Author URI: https://langholff.com
Description: A single-page theme promoting the CASIP (Certified Airport Systems Integration Professional) training program and the four-volume CASIP ebook set. Built for Langholff Digital Solutions.
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: casip-langholff
*/

:root{
  --ink:#1c2733;
  --muted:#5b6b7a;
  --accent:#c8962b;
  --accent-dark:#a9791d;
  --bg:#ffffff;
  --bg-alt:#f4f6f8;
  --bg-dark:#1c2733;
  --line:#e2e8ee;
  --max:1140px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);line-height:1.6;background:var(--bg);
}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:700;}
a{color:var(--accent-dark);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;height:auto;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);}
.bar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:var(--max);margin:0 auto;gap:16px;flex-wrap:wrap;}
.brand{font-weight:800;letter-spacing:.5px;font-size:1.05rem;color:var(--ink);}
.brand span{color:var(--accent);}
.main-nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;flex-wrap:wrap;}
.main-nav a{color:var(--muted);font-size:.9rem;font-weight:600;}
.main-nav a:hover{color:var(--accent-dark);text-decoration:none;}

/* Hero */
.hero{
  background:linear-gradient(rgba(28,39,51,.78),rgba(28,39,51,.86)),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="600"><rect fill="%23253647" width="1200" height="600"/><g fill="none" stroke="%2334485c" stroke-width="2"><path d="M0 480 L1200 380"/><path d="M0 520 L1200 300"/><path d="M200 600 L700 100"/></g></svg>');
  background-size:cover;background-position:center;color:#fff;text-align:center;padding:110px 24px;
}
.hero .eyebrow{color:#f0d9a6;font-weight:700;letter-spacing:3px;text-transform:uppercase;font-size:.82rem;margin-bottom:1em;}
.hero h1{font-size:2.6rem;margin-bottom:.35em;text-transform:uppercase;letter-spacing:1px;}
.hero p{max-width:720px;margin:0 auto 1.8em;font-size:1.08rem;color:#d7dee5;}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:14px 34px;border-radius:4px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;font-size:.9rem;margin:6px;}
.btn:hover{background:var(--accent-dark);text-decoration:none;color:#fff;}
.btn.outline{background:transparent;border:2px solid #fff;}

section{padding:72px 0;}
.section-head{text-align:center;max-width:760px;margin:0 auto 50px;}
.section-head h2{font-size:2rem;}
.section-head p{color:var(--muted);}
.kicker{color:var(--accent);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.8rem;}

/* Books */
.band{background:var(--bg-alt);}
.book{
  display:grid;grid-template-columns:220px 1fr;gap:34px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:30px;margin-bottom:28px;
}
.book:nth-child(even){grid-template-columns:1fr 220px;}
.book:nth-child(even) .cover{order:2;}
.book .cover img{width:100%;border-radius:6px;box-shadow:0 10px 28px rgba(28,39,51,.18);display:block;}
.book .vol{color:var(--accent);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.78rem;margin-bottom:6px;}
.book h3{font-size:1.35rem;margin-bottom:.25em;}
.book .sub{color:var(--muted);font-weight:600;font-style:italic;margin-bottom:.7em;}
.book p{color:var(--muted);margin:0 0 .8em;}
.book .meta{font-size:.85rem;color:#8494a2;font-weight:600;letter-spacing:.3px;}

/* Training */
.training-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:40px;}
.tcard{background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px 24px;}
.tcard .num{font-size:1.6rem;font-weight:800;color:var(--accent);opacity:.55;}
.tcard h3{font-size:1.1rem;}
.tcard p{color:var(--muted);font-size:.96rem;margin:0;}

/* CTA */
.cta{background:var(--bg-dark);color:#fff;text-align:center;}
.cta h2{color:#fff;font-size:1.9rem;}
.cta p{color:#c3ccd5;max-width:640px;margin:0 auto 1.6em;}

.site-footer{background:#141d26;color:#9fb0bf;padding:40px 0;font-size:.9rem;}
.site-footer .fwrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center;}
.site-footer a{color:#c3ccd5;}
.site-footer .socials{display:flex;gap:14px;}
.site-footer .socials a{color:#9fb0bf;font-size:.85rem;}

.btn.outline.dark{border-color:var(--accent);color:var(--accent-dark);}
.btn.outline.dark:hover{background:var(--accent);color:#fff;}

/* Complete ebook feature */
.feature{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px;box-shadow:0 10px 30px rgba(28,39,51,.06);}
.coverrow{display:flex;gap:12px;justify-content:center;}
.coverrow img{width:23%;border-radius:5px;box-shadow:0 10px 24px rgba(28,39,51,.22);}
.feature-cta h3{font-size:1.5rem;margin-bottom:.4em;}
.feature-cta p{color:var(--muted);margin:0 0 1em;}
.feature-cta .meta{font-size:.82rem;color:#8494a2;font-weight:600;letter-spacing:.3px;margin-top:12px;}

/* Embedded quiz */
.quiz-embed{max-width:var(--max);margin:34px auto 0;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:0 14px 40px rgba(28,39,51,.12);background:var(--bg-alt);}
.quiz-embed iframe{width:100%;height:840px;border:0;display:block;}
@media(max-width:820px){ .quiz-embed iframe{height:760px;} }

/* Signup (MailerLite) */
.signup{background-size:cover;background-position:center;color:#fff;}
.signup .signup-card{max-width:500px;margin:0 auto;background:#fff;color:var(--ink);
  border-radius:14px;padding:34px;text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.4);}
.signup .signup-card h2{font-size:1.6rem;}
.signup .signup-card .muted{color:var(--muted);}
.signup .note{font-size:.78rem;color:#8494a2;margin-top:14px;}
.ml-signup{margin-top:16px;text-align:left;}
.ml-signup input[type=text],.ml-signup input[type=email]{width:100%;padding:12px;margin:6px 0;border:1px solid var(--line);border-radius:8px;font-size:1rem;}
.ml-signup .ml-consent{display:flex;gap:8px;align-items:flex-start;font-size:.85rem;color:var(--muted);font-weight:400;margin:10px 0 4px;}
.ml-signup .ml-consent input{width:auto;margin-top:3px;}
.ml-signup .btn{width:100%;margin-top:12px;}
.signup .ml-thanks{color:#1c8a4e;font-weight:700;margin-top:14px;}

@media(max-width:820px){
  .training-grid{grid-template-columns:1fr;}
  .main-nav ul{display:none;}
  .hero h1{font-size:2rem;}
  .book,.book:nth-child(even){grid-template-columns:1fr;text-align:center;}
  .book .cover{max-width:200px;margin:0 auto;}
  .book:nth-child(even) .cover{order:0;}
  .feature{grid-template-columns:1fr;text-align:center;}
}