/* MKC Drafting & Consulting — main stylesheet */
:root{
  /* palette sampled from the MKC logo: dark slate-navy emblem, off-white drafting paper */
  --navy:#1c2633; --navy-2:#2b3848; --slate:#4a5563; --slate-2:#5f6b78;
  --blue:#34597d; --line:#dcdad3; --paper:#f1f0ec; --white:#fff;
  --accent:#c8742c; --accent-dark:#9a5418; --text:#1e293b;
  --radius:10px; --shadow:0 6px 24px rgba(28,38,51,.08);
  --max:1140px;
  --font-head:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Source Sans 3","Source Sans Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:1.0625rem;line-height:1.65;color:var(--text);background:var(--white)}
img,svg{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--navy);line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(2rem,5vw,3.1rem);letter-spacing:-.01em}
h2{font-size:clamp(1.55rem,3.4vw,2.15rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
a{color:var(--blue)}
a:hover{color:var(--accent-dark)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent-dark);color:#fff;padding:.75rem 1rem;z-index:1000;font-weight:600}
.skip-link:focus{left:1rem;top:1rem}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(6px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--navy)}
.brand img{width:48px;height:48px;border-radius:50%}
.brand-text{font-family:var(--font-head);font-weight:700;font-size:1.05rem;line-height:1.1}
.brand-text small{display:block;font-weight:500;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate-2)}
.nav-toggle{display:inline-flex;align-items:center;gap:.4rem;background:none;border:1px solid var(--line);border-radius:8px;padding:.5rem .75rem;font:inherit;font-weight:600;color:var(--navy);cursor:pointer}
.nav-toggle-bar{display:block;width:18px;height:2px;background:var(--navy);box-shadow:0 6px 0 var(--navy),0 -6px 0 var(--navy)}
.site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.site-nav.open{display:block}
.site-nav ul{list-style:none;margin:0;padding:.5rem 1.25rem 1rem}
.site-nav a{display:block;padding:.7rem 0;text-decoration:none;color:var(--navy);font-weight:600;border-bottom:1px solid var(--paper)}
.site-nav a[aria-current="page"]{color:var(--accent-dark)}
.site-nav .nav-cta{margin-top:.5rem;border:0}
@media(min-width:880px){
  .nav-toggle{display:none}
  .site-nav{display:block;position:static;border:0;box-shadow:none;background:none}
  .site-nav ul{display:flex;align-items:center;gap:1.6rem;padding:0}
  .site-nav a{padding:.4rem 0;border:0;font-size:.98rem}
  .site-nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--accent)}
  .site-nav .nav-cta{margin:0}
}

/* Buttons */
.btn{display:inline-block;font-family:var(--font-head);font-weight:600;font-size:.98rem;text-decoration:none;padding:.85rem 1.4rem;border-radius:8px;border:2px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s;text-align:center}
.btn-primary{background:var(--accent-dark);color:#fff}
.btn-primary:hover{background:#7f4512;color:#fff}
.btn-outline{border-color:currentColor;color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy)}
.btn-outline-dark{border-color:var(--navy);color:var(--navy)}
.btn-outline-dark:hover{background:var(--navy);color:#fff}
.site-nav .btn{padding:.55rem 1rem;color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}

/* Hero / blueprint backgrounds */
.blueprint{background-color:var(--navy);color:#e8eef6;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:80px 80px,80px 80px,16px 16px,16px 16px}
.blueprint h1,.blueprint h2,.blueprint h3{color:#fff}
.hero{padding:4.5rem 0 4rem}
.hero-grid{display:grid;gap:2.5rem;align-items:center}
.eyebrow{display:inline-block;font-family:var(--font-head);font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#f3b27a;margin-bottom:1rem}
.section .eyebrow,.eyebrow.dark{color:var(--accent-dark)}
.hero .lead{font-size:1.2rem;max-width:36em;color:#d4deea}
.hero-art{border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:1rem;background:rgba(255,255,255,.03)}
@media(min-width:880px){.hero{padding:6rem 0 5.5rem}.hero-grid{grid-template-columns:1.1fr .9fr}}
.page-hero{padding:3.5rem 0 3rem}
.page-hero p{max-width:40em;color:#d4deea;font-size:1.12rem;margin:0}

/* Sections */
.section{padding:4rem 0}
.section-alt{background:var(--paper)}
.section-head{max-width:46em;margin-bottom:2.25rem}
.section-head p{color:var(--slate)}
.grid{display:grid;gap:1.5rem}
@media(min-width:700px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;box-shadow:var(--shadow)}
.card p{color:var(--slate)}
.card .icon{width:48px;height:48px;margin-bottom:1rem;color:var(--blue)}
.card-link{font-weight:600;text-decoration:none}
.card-link::after{content:" \2192"}
.check-list{list-style:none;padding:0;margin:0 0 1.25rem}
.check-list li{position:relative;padding-left:1.7rem;margin-bottom:.5rem}
.check-list li::before{content:"";position:absolute;left:0;top:.45em;width:.95rem;height:.55rem;border-left:2.5px solid var(--accent-dark);border-bottom:2.5px solid var(--accent-dark);transform:rotate(-45deg)}

/* Process steps */
.steps{list-style:none;padding:0;margin:0;counter-reset:step;display:grid;gap:1.25rem}
@media(min-width:700px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{counter-increment:step;background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--radius);padding:1.5rem}
.steps li::before{content:counter(step,decimal-leading-zero);display:block;font-family:var(--font-head);font-weight:700;font-size:1.6rem;color:var(--blue);margin-bottom:.4rem}
.steps h3{font-size:1.08rem}
.steps p{margin:0;color:var(--slate)}

/* CTA band */
.cta-band{padding:3.5rem 0;text-align:center}
.cta-band p{color:#d4deea;max-width:38em;margin:0 auto}
.cta-band .btn-row{justify-content:center}

/* Service detail */
.service-block{display:grid;gap:2rem;padding:2.5rem 0;border-bottom:1px solid var(--line)}
.service-block:last-child{border-bottom:0}
@media(min-width:900px){.service-block{grid-template-columns:1fr 1fr;gap:3rem}}
.info-box{background:var(--paper);border-left:4px solid var(--accent);border-radius:6px;padding:1.25rem 1.5rem;margin-top:1rem}
.info-box strong{color:var(--navy)}
.faq details{border:1px solid var(--line);border-radius:8px;margin-bottom:.75rem;background:#fff}
.faq summary{cursor:pointer;padding:1rem 1.25rem;font-family:var(--font-head);font-weight:600;color:var(--navy);list-style:none;position:relative;padding-right:2.5rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.25rem;top:.85rem;font-size:1.3rem;color:var(--accent-dark)}
.faq details[open] summary::after{content:"\2212"}
.faq details > div{padding:0 1.25rem 1rem;color:var(--slate)}

/* Portfolio */
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.75rem}
.filters button{font:inherit;font-weight:600;font-size:.92rem;padding:.45rem 1rem;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--navy);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
.gallery{list-style:none;padding:0;margin:0;display:grid;gap:1.25rem;grid-template-columns:1fr}
@media(min-width:600px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.gallery{grid-template-columns:repeat(3,1fr)}}
.gallery li[hidden]{display:none}
.gallery-item{display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;cursor:zoom-in;text-align:left;font:inherit;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s}
.gallery-item:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(28,38,51,.14)}
.gallery-item img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#f8fafc}
.gallery-item .caption{display:block;padding:.85rem 1rem}
.gallery-item .caption strong{display:block;font-family:var(--font-head);color:var(--navy);font-size:1rem}
.gallery-item .caption span{font-size:.9rem;color:var(--slate-2)}
.lightbox{border:0;padding:0;background:transparent;max-width:min(1100px,94vw);width:100%}
.lightbox::backdrop{background:rgba(10,20,35,.88)}
.lightbox figure{margin:0;background:#fff;border-radius:var(--radius);overflow:hidden}
.lightbox img{width:100%;max-height:78vh;object-fit:contain;background:#f8fafc}
.lightbox figcaption{padding:.9rem 1.2rem;color:var(--text)}
.lightbox-controls{display:flex;justify-content:space-between;align-items:center;gap:.5rem;margin-top:.75rem}
.lightbox-controls button{font:inherit;font-weight:600;background:#fff;color:var(--navy);border:0;border-radius:8px;padding:.55rem 1rem;cursor:pointer}

/* About */
.about-grid{display:grid;gap:2.5rem}
@media(min-width:900px){.about-grid{grid-template-columns:1.4fr 1fr}}

/* Contact */
.contact-grid{display:grid;gap:2.5rem}
@media(min-width:900px){.contact-grid{grid-template-columns:1.5fr 1fr}}
.form-row{display:grid;gap:1.1rem}
@media(min-width:640px){.form-row.two{grid-template-columns:1fr 1fr}}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:600;color:var(--navy);margin-bottom:.35rem}
.field .req{color:var(--accent-dark)}
.field input,.field select,.field textarea{width:100%;font:inherit;padding:.75rem .9rem;border:1px solid #94a3b8;border-radius:8px;background:#fff;color:var(--text)}
.field textarea{min-height:160px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);outline:3px solid rgba(47,93,138,.25);outline-offset:0}
.hint{font-size:.9rem;color:var(--slate)}
.form-status{margin-top:1rem;padding:1rem;border-radius:8px;display:none}
.form-status.show{display:block}
.form-status.ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.form-status.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.contact-list{list-style:none;padding:0;margin:0 0 1.5rem}
.contact-list li{margin-bottom:.9rem}
.contact-list .label{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-2);font-weight:600}
.contact-list a{font-size:1.1rem;font-weight:600;text-decoration:none}
.county-list{columns:2;padding-left:1.1rem;margin:0 0 1rem}

/* Footer */
.site-footer{background:var(--navy);color:#cbd5e1;padding:3rem 0 1.5rem;font-size:.97rem}
.site-footer a{color:#fff}
.site-footer a:hover{color:#f3b27a}
.footer-grid{display:grid;gap:2rem}
@media(min-width:800px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
.site-footer h2{color:#fff;font-size:1rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.8rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.4rem}
.footer-brand{font-family:var(--font-head);font-weight:700;color:#fff;font-size:1.15rem;margin-bottom:.4rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2rem;padding-top:1.25rem;font-size:.88rem;color:#94a3b8;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem}

/* 404 */
.notfound{padding:6rem 0;text-align:center}
.notfound a:not(.btn){color:#f3b27a}
.notfound .code{font-family:var(--font-head);font-size:5rem;font-weight:700;color:#f3b27a;line-height:1}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Logo-derived blueprint texture overlay (images/logo/blueprint-texture.jpg) */
.has-texture{position:relative;overflow:hidden;isolation:isolate}
.has-texture::before{content:"";position:absolute;inset:0;z-index:-1;background:url("../images/logo/blueprint-texture.jpg") center/cover no-repeat;opacity:.07;mix-blend-mode:screen}
.hero-emblem{width:min(380px,80%);margin:0 auto;border-radius:50%;box-shadow:0 0 0 10px rgba(241,240,236,.06),0 20px 50px rgba(0,0,0,.45)}
.footer-logo{width:64px;height:64px;border-radius:50%;margin-bottom:.75rem}
.paper-texture{position:relative;isolation:isolate}
.paper-texture::before{content:"";position:absolute;inset:0;z-index:-1;background:url("../images/logo/mkc-logo-full.jpg") center/cover;opacity:.07}

/* Portfolio projects */
.project{padding:2.5rem 0;border-top:1px solid var(--line)}
.project:first-of-type{border-top:0;padding-top:.5rem}
.project[hidden]{display:none}
.project-head{max-width:46em;margin-bottom:1.5rem}
.project-head p{color:var(--slate)}
.gallery-item img{object-fit:contain;background:#fff;padding:.5rem}
.work-card{display:block;text-decoration:none;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow);transition:transform .15s}
.work-card:hover{transform:translateY(-2px)}
.work-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.work-card-drawing img{object-fit:contain;background:#fff;padding:.5rem}
.work-card .caption{display:block;padding:1rem 1.1rem}
.work-card strong{display:block;font-family:var(--font-head);color:var(--navy)}
.work-card .caption span{color:var(--slate-2);font-size:.92rem}