/* KDC Welding LLC — v1 styles. Mobile-first, no frameworks. */
:root{
  --bg:#141619; --bg2:#1c1f23; --panel:#23272c; --line:#343a41;
  --steel:#9aa4ae; --text:#eef1f4; --muted:#c3cad1;
  --accent:#ff6a13; --accent-dark:#d9540a; --ink:#111;
  --radius:10px; --max:1180px;
  --head:"Oswald","Arial Narrow","Roboto Condensed","Helvetica Neue",Arial,sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--bg);color:var(--text);font:18px/1.6 var(--body);-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:var(--head);line-height:1.15;margin:0 0 .5em;letter-spacing:.01em}
h2{font-size:clamp(1.9rem,6vw,2.7rem);text-transform:uppercase}
h3{font-size:1.35rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--ink);padding:10px 14px;z-index:100}
.skip:focus{left:10px}
.eyebrow{display:inline-block;color:var(--accent);font:700 .85rem/1 var(--body);letter-spacing:.14em;text-transform:uppercase;margin-bottom:.8rem}
.section{padding:64px 0;border-top:1px solid var(--line)}
.section.alt{background:var(--bg2)}
.lead{font-size:1.1rem;color:var(--muted);max-width:52rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:52px;padding:.75em 1.4em;border-radius:8px;font:700 1.05rem/1 var(--body);text-decoration:none;text-transform:uppercase;letter-spacing:.04em;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:#ff8440}
.btn-ghost{border-color:var(--text);color:var(--text);background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn svg{width:20px;height:20px;fill:currentColor}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(20,22,25,.96);border-bottom:3px solid var(--accent);backdrop-filter:blur(6px)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand img{height:40px;width:auto}
.brand span{font:700 1rem/1.1 var(--head);text-transform:uppercase;letter-spacing:.05em;display:none}
.header-actions{display:flex;align-items:center;gap:8px}
.call-btn{min-height:44px;padding:.55em 1em;font-size:1rem}
.nav-toggle{background:none;border:2px solid var(--line);color:var(--text);border-radius:8px;width:46px;height:44px;cursor:pointer;display:grid;place-items:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:22px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before{position:absolute;top:-7px}.nav-toggle span::after{position:absolute;top:7px}
#site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg2);border-bottom:3px solid var(--accent)}
#site-nav.open{display:block}
#site-nav ul{list-style:none;margin:0;padding:8px 20px 16px}
#site-nav a{display:block;padding:12px 0;color:var(--text);text-decoration:none;font-weight:600;border-bottom:1px solid var(--line)}
.call-btn .num{display:none}

/* Hero */
.hero{position:relative;overflow:hidden;background:#0f1113}
.hero-bg{position:absolute;inset:0;background:url("../img/gallery/line-boring-02.jpg") center 30%/cover no-repeat;opacity:.28}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,17,19,.35),rgba(15,17,19,.92))}
.hero-in{position:relative;z-index:1;padding-top:36px;padding-bottom:44px}
.hero-logo{width:min(300px,72vw);margin:0 0 22px}
.hero h1{font-size:clamp(2.1rem,8.6vw,4rem);text-transform:uppercase;margin-bottom:.35em}
.hero h1 .acc{color:var(--accent)}
.hero .sub{font-size:1.15rem;color:var(--muted);max-width:40rem}
.hero .where{font-weight:700;color:var(--text)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-row .btn{flex:1 1 220px}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:26px 0 0}
.tags li{border:1px solid var(--line);background:rgba(35,39,44,.85);padding:6px 12px;border-radius:999px;font-size:.9rem;color:var(--muted)}
.tags li::before{content:"";display:inline-block;width:8px;height:8px;background:var(--accent);margin-right:8px;vertical-align:1px}

/* Services */
.svc-grid{display:grid;gap:18px;margin-top:28px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card.feature{border-top:5px solid var(--accent)}
.card .tag{display:inline-block;background:var(--accent);color:var(--ink);font:800 .72rem/1 var(--body);letter-spacing:.12em;text-transform:uppercase;padding:6px 8px;border-radius:4px;margin-bottom:12px}
.card ul{margin:0;padding-left:1.1em;color:var(--muted)}
.card li{margin:.25em 0}
.card p{color:var(--muted)}
.card h3{color:var(--text)}
.svc-secondary{display:grid;gap:18px;margin-top:18px}
.svc-secondary .card{border-left:4px solid var(--steel)}

/* Equipment */
.equip-grid{display:grid;gap:18px;margin-top:28px}
.equip .model{font-family:ui-monospace,Consolas,monospace;font-size:.95rem;background:#2e2410;color:#ffc58f;border:1px dashed var(--accent);padding:6px 10px;border-radius:6px;display:inline-block;margin-bottom:12px}
.equip .made{font-size:.9rem;color:var(--steel)}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:28px;list-style:none;padding:0}
.gallery a{display:block;position:relative;border-radius:6px;overflow:hidden;background:#000;aspect-ratio:4/3}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.gallery a:hover img{transform:scale(1.04)}
dialog#lightbox{border:0;padding:0;background:transparent;max-width:96vw;max-height:94vh}
dialog#lightbox::backdrop{background:rgba(0,0,0,.9)}
#lightbox figure{margin:0}
#lightbox img{max-width:96vw;max-height:88vh;margin:0 auto;border-radius:6px}
.lb-btn{position:fixed;background:rgba(0,0,0,.6);color:#fff;border:2px solid #fff;border-radius:50%;width:48px;height:48px;font-size:1.4rem;cursor:pointer;line-height:1}
.lb-close{top:12px;right:12px}.lb-prev{left:10px;top:50%}.lb-next{right:10px;top:50%}


/* Service area */
.area-grid{display:grid;gap:22px;margin-top:10px;align-items:start}
.area-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.area-list li{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);padding:12px 14px;border-radius:6px;font-weight:700}

/* Form */
.quote-grid{display:grid;gap:28px}
form .row{display:grid;gap:14px}
label{display:block;font-weight:700;margin-bottom:6px}
.opt{font-weight:400;color:var(--steel);font-size:.9rem}
input,textarea{width:100%;font:inherit;color:var(--text);background:#0f1113;border:2px solid var(--line);border-radius:8px;padding:12px 14px}
input:focus,textarea:focus{border-color:var(--accent);outline:none}
textarea{min-height:130px;resize:vertical}
.field{margin-bottom:14px}
.form-help{font-size:.92rem;color:var(--steel)}
#form-note{background:#1f2a1f;border:1px solid #3c6b3c;padding:12px;border-radius:8px;color:#d6f5d6}

/* Contact */
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.contact-list a{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;color:var(--text);text-decoration:none;font-weight:700;word-break:break-word}
.contact-list a:hover{border-color:var(--accent)}
.contact-list svg{width:26px;height:26px;fill:var(--accent);flex:0 0 26px}
.contact-list small{display:block;font-weight:400;color:var(--steel)}

footer{background:#0d0e10;border-top:3px solid var(--accent);padding:28px 0 90px;color:var(--steel);font-size:.95rem}
footer .foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
footer a{color:var(--muted)}
footer .foot-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}
footer .foot-fb{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-weight:700;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:6px 14px 6px 10px}
footer .foot-fb:hover{border-color:var(--accent)}
footer .foot-fb svg{width:20px;height:20px;fill:#1877f2;flex:0 0 20px}
.contact-list .fb-link svg{fill:#1877f2}
.gallery:last-child{margin-bottom:0}

/* Mobile bottom call bar */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:rgba(13,14,16,.97);border-top:1px solid var(--line)}
.mobile-bar .btn{min-height:48px;font-size:1rem}

@media (min-width:600px){
  .brand span{display:block}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .area-list{grid-template-columns:repeat(3,1fr)}
  form .row{grid-template-columns:1fr 1fr}
}
@media (min-width:900px){
  body{font-size:18px}
  .nav-toggle{display:none}
  #site-nav{display:block;position:static;background:none;border:0}
  #site-nav ul{display:flex;gap:22px;padding:0}
  #site-nav a{border:0;padding:6px 0;font-size:.95rem}
  #site-nav a:hover{color:var(--accent)}
  .call-btn .num{display:inline}
  .brand img{height:46px}
  .hero-in{padding-top:80px;padding-bottom:90px}
  .hero-logo{width:340px}
  .cta-row .btn{flex:0 0 auto}
  .svc-grid{grid-template-columns:1fr 1fr}
  .svc-secondary{grid-template-columns:repeat(3,1fr)}
  .equip-grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(4,1fr);gap:10px}
  .area-grid{grid-template-columns:1.2fr 1fr}
  .quote-grid{grid-template-columns:1.4fr 1fr}
  .mobile-bar{display:none}
  footer{padding-bottom:28px}
  .section{padding:84px 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.gallery img{transition:none}}

/* v1.1: grouped gallery, video tiles, service area */
.gal-head{margin:36px 0 0;font-size:1.3rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text);border-left:4px solid var(--accent);padding-left:10px}
.gal-head + .gallery{margin-top:14px}
.gallery li{position:relative;border-radius:6px;overflow:hidden;background:#000;aspect-ratio:4/3}
.gallery li.vid video{width:100%;height:100%;object-fit:cover;display:block}
.area-main{font:700 clamp(1.4rem,5vw,1.9rem)/1.2 var(--head);text-transform:uppercase;color:var(--accent);margin-bottom:.6em}
.area-list li.more{grid-column:1/-1;border-left-color:var(--steel);font-weight:600;color:var(--muted)}

/* v1.2: Netlify form states */
.hp{display:none}
input[type=file]{padding:10px;background:#0f1113;cursor:pointer}
input[type=file]::file-selector-button{font:700 .9rem var(--body);background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:8px 12px;margin-right:12px;cursor:pointer}
.file-help{margin:6px 0 0}
.form-msg{border-radius:8px;padding:16px;margin-top:8px;line-height:1.5}
.form-msg.ok{background:#1f2a1f;border:1px solid #3c6b3c;color:#d6f5d6}
.form-msg.err{background:#2d1b1b;border:1px solid #8a3b3b;color:#ffd9d9;margin-top:16px}
.form-msg a{color:#fff;font-weight:700}
button:disabled{opacity:.7;cursor:wait}
/* thanks page */
.thanks{min-height:60vh;display:flex;align-items:center}
.thanks .card{max-width:640px}