/* J.K. Corporation — styles.css
   Vanilla, mobile-first. Palette: warm timber neutrals + amber accent. */

:root{
  --bg:#f7f3ec;
  --surface:#ffffff;
  --surface-2:#fbf8f2;
  --ink:#221a13;
  --muted:#6d6358;
  --line:#e8ded0;
  --brand:#8a5522;
  --accent:#c07d2c;
  --accent-2:#e2a94e;
  --dark:#1c1712;
  --dark-2:#282019;
  --wa:#25d366;
  --radius:16px;
  --radius-sm:10px;
  --maxw:1140px;
  --shadow:0 1px 2px rgba(33,26,19,.05), 0 10px 30px rgba(33,26,19,.06);
  --shadow-lg:0 24px 60px rgba(33,26,19,.16);
  --font:'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,iframe{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;margin:0;font-weight:800;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.4rem;border-radius:var(--radius-sm);
  font-weight:700;font-size:.98rem;cursor:pointer;border:1.5px solid transparent;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-dark{background:var(--accent);color:#fff}
.btn-dark:hover{background:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-wa{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-wa:hover{border-color:var(--wa);color:#128c3f;transform:translateY(-2px)}
.btn-wa::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--wa);flex:0 0 auto}

.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost svg{width:18px;height:18px}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink)}


/* ---------- Top bar ---------- */
.topbar{background:var(--dark);color:#d8cdbd;font-size:.82rem}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:38px}
.topbar-links{display:flex;gap:1.2rem}
.topbar-links a{color:#e9dfce;font-weight:600}
.topbar-links a:hover{color:var(--accent-2)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,243,236,.9);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s ease, box-shadow .2s ease, background .2s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(33,26,19,.07);background:rgba(247,243,236,.96)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:66px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800}
.brand-mark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff}
.brand-name{display:flex;flex-direction:column;line-height:1.05;font-size:1.06rem}
.brand-name small{font-weight:600;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 10px;background:none;border:1px solid var(--line);border-radius:10px;cursor:pointer}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{content:"";display:block;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

.site-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:.2rem;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:.8rem clamp(1.1rem,4vw,2rem) 1.2rem}
.site-nav.is-open{display:flex}
.site-nav a:not(.btn){padding:.7rem .2rem;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.site-nav a:last-of-type{border-bottom:0}
.site-nav a:not(.btn):hover{color:var(--accent)}
.site-nav .btn{margin-top:.5rem}

@media(min-width:900px){
  .nav-toggle{display:none}
  .site-nav{display:flex;position:static;flex-direction:row;align-items:center;gap:1.7rem;background:none;border:0;box-shadow:none;padding:0}
  .site-nav a:not(.btn){padding:0;border:0}
  .site-nav a:not(.btn){font-size:.96rem}
  .site-nav .btn{margin:0}
}

/* ---------- Section rhythm ---------- */
section{padding:clamp(3.2rem,7vw,5.5rem) 0}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.76rem;font-weight:800;color:var(--accent);margin-bottom:.7rem}
h2, .section-head h2, h2.section-head, .subsection h2, .page-hero h1{
  font-size:clamp(1.65rem,3.6vw,2.5rem);
}
div.section-head{max-width:64ch;margin:0 auto clamp(2rem,4vw,3rem);text-align:center}
div.section-head .eyebrow{color:var(--accent)}
div.section-head p:not(.eyebrow){color:var(--muted);margin-top:.9rem;font-size:1.05rem}
.lead{font-size:clamp(1.05rem,2.2vw,1.25rem);color:var(--muted);max-width:60ch}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding-top:clamp(2.6rem,6vw,4.4rem);
  background:
    radial-gradient(60% 90% at 88% 0%, rgba(226,169,78,.20), transparent 60%),
    radial-gradient(50% 80% at 0% 20%, rgba(138,85,34,.10), transparent 55%),
    var(--bg);
}
.hero-inner{max-width:900px}
.hero .eyebrow{color:var(--brand)}
.hero h1{font-size:clamp(2.1rem,6vw,3.9rem);letter-spacing:-.03em}
.hero .lead{margin-top:1.2rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:clamp(2.4rem,5vw,3.4rem);padding-top:clamp(1.6rem,3vw,2rem);border-top:1px solid var(--line)}
.stat b{display:block;font-size:clamp(1.6rem,4vw,2.3rem);color:var(--accent);letter-spacing:-.03em}
.stat span{font-size:.9rem;color:var(--muted);font-weight:600}
@media(min-width:760px){.stats{grid-template-columns:repeat(4,1fr)}}

/* ---------- About ---------- */
.about-grid{display:grid;gap:2rem;align-items:center}
.about-copy p:not(.eyebrow){color:var(--muted);margin-top:1rem}
.about-copy h2.section-head{margin-bottom:.4rem}
.cert-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.4rem}
.cert-row li{font-size:.78rem;font-weight:700;letter-spacing:.03em;color:var(--brand);background:rgba(192,125,44,.1);border:1px solid rgba(192,125,44,.25);padding:.35rem .7rem;border-radius:999px}
.about-facts{display:grid;gap:.9rem}
.fact{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-sm);padding:1.1rem 1.2rem;box-shadow:var(--shadow)}
.fact b{display:block;font-size:1.5rem;color:var(--ink);letter-spacing:-.02em}
.fact span{color:var(--muted);font-size:.92rem}
@media(min-width:860px){.about-grid{grid-template-columns:1.2fr .8fr;gap:3rem}}

/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:1.1rem;grid-template-columns:1fr}
@media(min-width:600px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.grid.cols-3{grid-template-columns:repeat(3,1fr)} .grid.cols-4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);transition:transform .18s ease, box-shadow .22s ease, border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(192,125,44,.4)}
.card h3{font-size:1.12rem;margin-top:.2rem}
.card p{color:var(--muted);font-size:.94rem;margin-top:.45rem}
.card .icon{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;background:rgba(192,125,44,.12);color:var(--brand);margin-bottom:.9rem}
.card .tag{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}
.grid-cta,.cta-band{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;margin-top:2rem}

/* ---------- Process ---------- */
.process{background:var(--surface-2);border-block:1px solid var(--line)}
.steps{display:grid;gap:1.1rem;grid-template-columns:1fr;list-style:none;padding:0}
@media(min-width:600px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);position:relative}
.step b{font-size:.95rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--accent));width:36px;height:36px;border-radius:9px;display:grid;place-items:center;margin-bottom:.9rem}
.step h3{font-size:1.08rem}
.step p{color:var(--muted);font-size:.94rem;margin-top:.4rem}

/* ---------- Projects (dark) ---------- */
#projects{background:var(--dark);color:#efe6d8}
#projects .eyebrow{color:var(--accent-2)}
#projects h2{color:#fff}
#projects div.section-head p:not(.eyebrow){color:#c7bbab}
.logo-strip{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;justify-content:center;margin-bottom:2.4rem;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.12)}
.logo-strip li{font-weight:700;color:#d8cbb8;font-size:1.02rem;opacity:.9}
#projects .card{background:var(--dark-2);border-color:rgba(255,255,255,.09);box-shadow:none}
#projects .card:hover{border-color:rgba(226,169,78,.5);transform:translateY(-4px)}
#projects .card h3{color:#fff}
#projects .card p{color:#c4b8a7}
#projects .card .tag{color:var(--accent-2)}
.quotes{display:grid;gap:1.1rem;margin-top:2.2rem}
@media(min-width:800px){.quotes{grid-template-columns:repeat(2,1fr)}}
.quotes blockquote{margin:0;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:1.5rem 1.6rem;color:#eae0d1;font-size:1.02rem;line-height:1.6}
.quotes blockquote footer{margin-top:1rem;color:var(--accent-2);font-weight:700;font-size:.9rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;gap:2rem}
@media(min-width:880px){.contact-grid{grid-template-columns:1fr 1fr;gap:3rem;align-items:start}}
.contact-info{display:grid;gap:1.2rem;margin-bottom:1.6rem}
.contact-info li{display:flex;gap:.9rem;align-items:flex-start}
.contact-info svg{flex:0 0 auto;color:var(--accent);margin-top:.15rem}
.contact-info span{color:var(--muted);font-size:.94rem}
.contact-info a{color:var(--ink);font-weight:700}
.contact-info a:hover{color:var(--accent)}
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.map-wrap iframe{width:100%;height:280px;border:0}
.quote-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.4rem,3vw,2rem);box-shadow:var(--shadow)}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.82rem;font-weight:700;margin-bottom:.35rem;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:.8rem .9rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);font:inherit;color:var(--ink);background:var(--surface-2);transition:border-color .15s ease, box-shadow .15s ease}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,125,44,.15);background:#fff}
.quote-form .btn{width:100%;margin-top:.3rem}
.form-note{font-size:.82rem;color:var(--muted);margin-top:.9rem;text-align:center}

/* ---------- Products page ---------- */
.page-hero{background:radial-gradient(70% 100% at 100% 0%, rgba(226,169,78,.18), transparent 60%), var(--bg);padding:clamp(2.6rem,6vw,4rem) 0 clamp(1.6rem,4vw,2.4rem)}
.page-hero h1{font-size:clamp(2rem,5vw,3.1rem)}
.page-hero p{color:var(--muted);margin-top:1rem;max-width:60ch;font-size:1.06rem}
.subsection{padding:clamp(2.2rem,5vw,3.4rem) 0}
.subsection h2{margin-bottom:1.6rem;font-size:clamp(1.4rem,3vw,2rem)}
.cta-band{margin-top:2.6rem;padding:2rem;background:var(--dark);border-radius:var(--radius);color:#fff}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#c9bca9;padding:clamp(2.6rem,5vw,3.6rem) 0 1.6rem}
.footer-grid{display:grid;gap:2rem;grid-template-columns:1fr}
@media(min-width:700px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
.footer-grid h4{color:#fff;font-size:.95rem;margin-bottom:.9rem}
.footer-grid a{color:#c9bca9}
.footer-grid a:hover{color:var(--accent-2)}
.footer-grid ul{display:grid;gap:.55rem;font-size:.94rem}
.site-footer .brand-name{color:#fff}
.site-footer .brand-name small{display:block;font-weight:600;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2);margin-top:.2rem}
.footer-bottom{margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.12);font-size:.85rem;color:#9c9080;display:flex;flex-wrap:wrap;gap:.4rem;justify-content:space-between}

/* ---------- Floating WhatsApp ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:56px;height:56px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.45);transition:transform .18s ease}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.card,.wa-float{transition:none}
}

/* ---- product detail + linked cards ---- */
.crumbs{padding-top:1.4rem;font-size:.85rem;color:var(--muted);display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.crumbs a{color:var(--muted);font-weight:600}.crumbs a:hover{color:var(--accent)}.crumbs em{color:var(--ink);font-style:normal;font-weight:700}
.pd-grid{display:grid;gap:2rem}
@media(min-width:820px){.pd-grid{grid-template-columns:1.15fr .85fr;gap:3rem}}
.pd-h{font-size:1.3rem;margin-bottom:1rem}
.spec-table{width:100%;border-collapse:collapse;font-size:.95rem}
.spec-table th,.spec-table td{text-align:left;padding:.7rem .2rem;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table th{color:var(--muted);font-weight:600;width:42%}
.use-list{display:grid;gap:.6rem}
.use-list li{position:relative;padding-left:1.4rem}
.use-list li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.pd-note{margin-top:1.2rem;padding:.9rem 1.1rem;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);font-size:.9rem;color:var(--muted)}
.faq{display:grid;gap:.8rem;max-width:820px;margin-inline:auto}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 1.1rem;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:700;padding:1rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-weight:800;font-size:1.3rem}
.faq details[open] summary::after{content:"\2013"}
.faq details p{color:var(--muted);padding:0 0 1.1rem;margin:0}
.card-link{cursor:pointer;display:block;text-decoration:none;color:inherit}
.card-more{color:var(--accent);font-weight:700;font-size:.88rem;margin-top:.8rem;display:inline-block}

/* ---- legal / privacy ---- */
.legal{max-width:760px;margin-inline:auto}
.legal h2{font-size:1.25rem;margin:2rem 0 .6rem}
.legal h2:first-child{margin-top:0}
.legal p{color:var(--muted);margin:.7rem 0;line-height:1.7}
.legal a{color:var(--accent);font-weight:600}
.legal .bullets{display:grid;gap:.5rem;margin:.7rem 0}
.legal .bullets li{position:relative;padding-left:1.4rem;color:var(--muted);line-height:1.6}
.legal .bullets li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:2px;background:var(--accent)}

/* ---- product & project photos ---- */
.card{overflow:hidden}
.card-photo{width:calc(100% + 3rem);height:172px;object-fit:cover;margin:-1.5rem -1.5rem 1.1rem;display:block;background:#efe9df}
.card-photo ~ .icon{display:none}
.pd-hero-media{margin-top:1.8rem;max-width:520px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.pd-hero-media img{width:100%;height:auto;display:block}
#projects .site-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem;margin-top:2.4rem}
@media(min-width:760px){#projects .site-gallery{grid-template-columns:repeat(4,1fr)}}
.site-gallery figure{margin:0;border-radius:12px;overflow:hidden;aspect-ratio:4/3;border:1px solid rgba(255,255,255,.14)}
.site-gallery img{width:100%;height:100%;object-fit:cover;display:block}