/* ==========================================================================
   Schuco Doors Stevenage — main stylesheet
   Tokens: yellow #FFD400 / soft yellow #FFF3C6 / gray-900 #2B2B2E /
           gray-600 #6D7075 / gray-200 #E9EAEC / white #FFFFFF
   Type: Montserrat (display) + Roboto (body)
   Unit base: 1em = 16px, layout sized in em, full-width sections
   ========================================================================== */

:root{
  --yellow:#FFD400;
  --yellow-deep:#E6B800;
  --yellow-soft:#FFF3C6;
  --gray-900:#2B2B2E;
  --gray-700:#4A4C52;
  --gray-600:#6D7075;
  --gray-300:#D8DADD;
  --gray-200:#E9EAEC;
  --gray-100:#F5F5F6;
  --white:#FFFFFF;
  --radius:0.6em;
  --shadow-sm:0 0.15em 0.6em rgba(43,43,46,0.08);
  --shadow-md:0 0.5em 1.6em rgba(43,43,46,0.14);
  --maxw:75em;
}

*,*::before,*::after{box-sizing:border-box;}
html{font-size:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Roboto',Arial,sans-serif;
  color:var(--gray-900);
  background:var(--white);
  line-height:1.7;
  font-size:1.05em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Montserrat',Arial,sans-serif;
  font-weight:800;
  line-height:1.25;
  color:var(--gray-900);
  margin:0 0 0.6em;
}
h1{font-size:2.4em;letter-spacing:-0.01em;}
h2{font-size:1.7em;margin-top:1.4em;}
h3{font-size:1.25em;margin-top:1.2em;}
p{margin:0 0 1.1em;}
a{color:var(--gray-900);text-decoration-color:var(--yellow-deep);text-decoration-thickness:0.14em;text-underline-offset:0.15em;}
a:hover{color:var(--yellow-deep);}
/* Links on dark backgrounds need light text with visible underline for accessibility */
.section-dark a,.site-footer a.inline-link{color:#FFE45C;text-decoration-color:#FFE45C;text-decoration-thickness:0.14em;text-underline-offset:0.18em;}
.section-dark a:hover,.site-footer a.inline-link:hover{color:var(--white);text-decoration-color:var(--white);}
img,svg{max-width:100%;height:auto;display:block;}
ul,ol{padding-left:1.3em;}
li{margin-bottom:0.4em;}
:focus-visible{outline:0.18em solid var(--yellow-deep);outline-offset:0.15em;}

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 1.5em;
}

/* ---------- Header / nav ---------- */
.site-header{
  background:var(--white);
  border-bottom:0.2em solid var(--yellow);
  position:sticky;top:0;z-index:100;
  box-shadow:var(--shadow-sm);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0.8em 1.5em;
  display:flex;align-items:center;justify-content:space-between;gap:1em;
}
.brand-logo{display:flex;align-items:center;gap:0.6em;text-decoration:none;}
.brand-logo svg{width:2.6em;height:2.6em;flex:none;}
.brand-logo-text{font-family:'Montserrat',Arial,sans-serif;font-weight:800;font-size:1.05em;line-height:1.15;color:var(--gray-900);}
.brand-logo-text span{display:block;font-weight:600;font-size:0.72em;color:var(--gray-600);letter-spacing:0.03em;}

.main-nav{display:flex;align-items:center;gap:0.2em;}
.main-nav ul{list-style:none;display:flex;gap:0.1em;margin:0;padding:0;flex-wrap:wrap;}
.main-nav a{
  display:block;padding:0.6em 0.75em;font-family:'Montserrat',Arial,sans-serif;
  font-weight:700;font-size:0.85em;text-decoration:none;color:var(--gray-700);
  border-radius:var(--radius);
}
.main-nav a:hover,.main-nav a.active{background:var(--yellow-soft);color:var(--gray-900);}
.nav-toggle{display:none;}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(180deg,var(--yellow-soft) 0%, var(--white) 100%);
  padding:3.2em 0 4.5em;
  position:relative;
}
.hero .container{display:grid;grid-template-columns:1.2fr 1fr;gap:2.5em;align-items:center;}
.hero-eyebrow{
  display:inline-block;font-family:'Montserrat',Arial,sans-serif;font-weight:700;
  font-size:0.78em;letter-spacing:0.08em;text-transform:uppercase;
  background:var(--gray-900);color:var(--yellow);padding:0.4em 0.9em;border-radius:2em;margin-bottom:1em;
}
.hero p.lead{font-size:1.15em;color:var(--gray-700);max-width:38em;}
.hero-art{background:var(--white);border-radius:1.2em;box-shadow:var(--shadow-md);padding:1.2em;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;font-family:'Montserrat',Arial,sans-serif;font-weight:700;
  font-size:0.9em;padding:0.75em 1.4em;border-radius:0.4em;text-decoration:none;
  border:0.12em solid var(--gray-900);
}
.btn-primary{background:var(--yellow);color:var(--gray-900);}
.btn-primary:hover{background:var(--yellow-deep);color:var(--gray-900);}
.btn-ghost{background:transparent;color:var(--gray-900);}
.btn-ghost:hover{background:var(--gray-900);color:var(--yellow);}

/* ---------- Sections ---------- */
.section{padding:3.5em 0;}
.section-gray{background:var(--gray-100);}
.section-dark{background:var(--gray-900);color:var(--gray-200);}
.section-dark h2,.section-dark h3{color:var(--white);}
.section-yellow{background:var(--yellow-soft);}
.section-head{max-width:42em;margin:0 0 2em;}
.section-head p{color:var(--gray-600);}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:1.6em;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card{
  background:var(--white);border:0.09em solid var(--gray-200);border-radius:1em;
  padding:1.5em;box-shadow:var(--shadow-sm);transition:transform .18s ease, box-shadow .18s ease;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-0.25em);box-shadow:var(--shadow-md);}
.card .card-icon{width:3em;height:3em;margin-bottom:0.8em;}
.card h3{margin-top:0;font-size:1.1em;}
.card p{color:var(--gray-600);font-size:0.95em;flex:1;}
.card-tag{
  display:inline-block;font-size:0.72em;font-weight:700;font-family:'Montserrat',Arial,sans-serif;
  text-transform:uppercase;letter-spacing:0.04em;background:var(--yellow-soft);color:var(--gray-900);
  padding:0.25em 0.7em;border-radius:2em;margin-bottom:0.8em;align-self:flex-start;
}
.card-link{font-weight:700;font-size:0.9em;margin-top:0.8em;display:inline-block;}

/* brand cards on homepage */
.brand-card{
  background:var(--white);border-radius:1em;border:0.09em solid var(--gray-200);
  padding:1.6em;text-align:left;box-shadow:var(--shadow-sm);text-decoration:none;color:var(--gray-900);
  display:flex;flex-direction:column;gap:0.5em;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.brand-card:hover{transform:translateY(-0.3em);box-shadow:var(--shadow-md);border-color:var(--yellow);}
.brand-card .brand-icon{width:2.6em;height:2.6em;}
.brand-card h3{margin:0.3em 0 0;}
.brand-card p{color:var(--gray-600);font-size:0.92em;margin:0;}
.brand-card .count{font-size:0.78em;color:var(--gray-600);font-weight:700;font-family:'Montserrat',Arial,sans-serif;}

/* ---------- Article layout ---------- */
.article-hero{padding:2.4em 0 0;}
.breadcrumbs{font-size:0.85em;color:var(--gray-600);margin-bottom:1em;}
.breadcrumbs a{color:var(--gray-600);text-decoration:none;}
.breadcrumbs a:hover{color:var(--gray-900);text-decoration:underline;}
.article-meta{
  display:flex;flex-wrap:wrap;gap:0.5em 1em;align-items:center;font-size:0.85em;color:var(--gray-600);
  margin:0.8em 0 1.6em;font-family:'Montserrat',Arial,sans-serif;font-weight:600;
}
.article-meta .badge{background:var(--gray-900);color:var(--yellow);padding:0.25em 0.7em;border-radius:2em;font-size:0.85em;}
.article-figure{background:var(--yellow-soft);border-radius:1em;padding:1.4em;box-shadow:var(--shadow-sm);margin:1.6em 0;}
.article-figure figcaption{font-size:0.82em;color:var(--gray-600);margin-top:0.8em;text-align:center;}
.article-body{max-width:44em;}
.article-body h2{border-top:0.14em solid var(--yellow);padding-top:0.7em;}
.spec-strip{
  display:flex;flex-wrap:wrap;gap:1.2em;background:var(--gray-900);color:var(--white);
  border-radius:1em;padding:1.3em 1.5em;margin:1.6em 0 2em;
}
.spec-strip div{min-width:8em;}
.spec-strip .spec-label{display:block;font-size:0.72em;text-transform:uppercase;letter-spacing:0.05em;color:var(--yellow);font-family:'Montserrat',Arial,sans-serif;font-weight:700;}
.spec-strip .spec-value{font-family:'Montserrat',Arial,sans-serif;font-weight:800;font-size:1.15em;}

.callout{
  background:var(--white);border-left:0.28em solid var(--yellow);border-radius:0.5em;
  padding:1.1em 1.3em;margin:1.6em 0;box-shadow:var(--shadow-sm);
}
.callout strong{font-family:'Montserrat',Arial,sans-serif;}

.related-block{margin-top:2.4em;padding-top:1.6em;border-top:0.09em solid var(--gray-200);}
.author-box{
  display:flex;gap:1em;align-items:flex-start;background:var(--gray-100);border-radius:1em;
  padding:1.3em;margin-top:2.4em;
}
.author-box .avatar{
  width:3.2em;height:3.2em;border-radius:50%;background:var(--yellow);flex:none;
  display:flex;align-items:center;justify-content:center;font-family:'Montserrat',Arial,sans-serif;font-weight:800;color:var(--gray-900);
}
.author-box h4{margin:0 0 0.2em;}
.author-box p{margin:0;font-size:0.9em;color:var(--gray-600);}

/* location strip */
.locations{display:flex;flex-wrap:wrap;gap:0.6em;margin:0.6em 0 0;}
.locations span{
  background:var(--white);border:0.09em solid var(--gray-300);border-radius:2em;
  padding:0.35em 0.9em;font-size:0.82em;color:var(--gray-700);font-family:'Montserrat',Arial,sans-serif;font-weight:600;
}

/* ---------- Table (brand comparison) ---------- */
table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:0.92em;}
th,td{text-align:left;padding:0.7em 0.8em;border-bottom:0.09em solid var(--gray-200);}
thead th{font-family:'Montserrat',Arial,sans-serif;background:var(--gray-900);color:var(--yellow);}
tbody tr:nth-child(even){background:var(--gray-100);}

/* ---------- Footer ---------- */
.site-footer{background:var(--gray-900);color:var(--gray-300);padding:3em 0 1.6em;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2em;}
.footer-grid h4{color:var(--yellow);font-size:0.95em;margin-bottom:0.9em;}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid li{margin-bottom:0.55em;font-size:0.9em;}
.footer-grid a{color:var(--gray-300);text-decoration:none;}
.footer-grid a:hover{color:var(--yellow);}
.footer-bottom{
  max-width:var(--maxw);margin:2em auto 0;padding:1.4em 1.5em 0;border-top:0.09em solid rgba(255,255,255,0.12);
  font-size:0.82em;color:var(--gray-600);display:flex;flex-wrap:wrap;gap:0.8em;justify-content:space-between;
}
.footer-brand{display:flex;align-items:center;gap:0.6em;margin-bottom:1em;}
.footer-brand svg{width:2.2em;height:2.2em;}
.footer-brand strong{font-family:'Montserrat',Arial,sans-serif;color:var(--white);}
.footer-desc{font-size:0.9em;max-width:22em;color:var(--gray-300);}

/* ---------- Archive / listing ---------- */
.filters{display:flex;flex-wrap:wrap;gap:0.5em;margin-bottom:2em;}
.filters a{
  font-family:'Montserrat',Arial,sans-serif;font-weight:700;font-size:0.82em;
  padding:0.5em 1em;border-radius:2em;border:0.09em solid var(--gray-300);text-decoration:none;color:var(--gray-700);
}
.filters a.active,.filters a:hover{background:var(--gray-900);color:var(--yellow);border-color:var(--gray-900);}

/* ---------- Responsive ---------- */
@media (max-width:64em){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero .container{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:48em){
  html{font-size:95%;}
  .main-nav ul{gap:0;}
  .main-nav{width:100%;order:3;display:none;}
  .main-nav.open{display:block;}
  .main-nav ul{flex-direction:column;}
  .header-inner{flex-wrap:wrap;}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;width:2.6em;height:2.6em;
    border:0.09em solid var(--gray-300);border-radius:0.5em;background:var(--white);cursor:pointer;
  }
  h1{font-size:1.9em;}
  h2{font-size:1.4em;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .spec-strip{gap:0.8em;}
}