/* ============================================
   Klepper Betonbouw — Complete Design System
   Plug & Play — Zero Elementor Required
   ============================================ */

:root {
    --bk: #1A1A1A; --ch: #2D2D2D; --dg: #3A3A3A; --mg: #4A4A4A;
    --cg: #8C8C8C; --lg: #D5D5D5; --ow: #F2F2F2; --wh: #FFFFFF;
    --am: #E8A838; --amh: #C48A20; --rd: #CC3333; --rdh: #AA2222;
    --gn: #25D366; --gnh: #1DA851;
    --fh: 'Barlow Condensed', sans-serif;
    --fb: 'Inter', system-ui, sans-serif;
    --mw: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body.bkc-concrete {
    font-family: var(--fb); font-size: 16px; line-height: 1.65;
    color: var(--mg); background: var(--ow);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--am); text-decoration: none; transition: color .2s; }
a:hover { color: var(--amh); }

/* ─── TYPOGRAPHY ─── */
h1,h2,h3,h4 { font-family: var(--fh); font-weight: 700; line-height: 1.12; color: var(--bk); letter-spacing: .02em; }
h1 { font-size: 44px; text-transform: uppercase; }
h2 { font-size: 36px; text-transform: uppercase; }
h3 { font-size: 22px; }
h4 { font-size: 18px; }
p { margin-bottom: 1em; }

.container { max-width: var(--mw); margin: 0 auto; padding: 0 24px; }
.sect { padding: 80px 0; }
.text-center { text-align: center; }

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 15px 30px; font-family: var(--fh); font-size: 15px;
    font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    border: none; border-radius: 0; cursor: pointer; transition: all .25s;
    text-decoration: none; line-height: 1;
}
.btn-am { background: var(--am); color: var(--bk); }
.btn-am:hover { background: var(--amh); color: var(--bk); transform: translateY(-1px); }
.btn-rd { background: var(--rd); color: var(--wh); }
.btn-rd:hover { background: var(--rdh); color: var(--wh); }
.btn-gn { background: var(--gn); color: var(--wh); }
.btn-gn:hover { background: var(--gnh); color: var(--wh); }
.btn-dk { background: var(--bk); color: var(--wh); }
.btn-dk:hover { background: #000; color: var(--wh); }
.btn-outline { background: transparent; color: var(--am); border: 2px solid var(--am); }
.btn-outline:hover { background: var(--am); color: var(--bk); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── TOPBAR ─── */
.topbar { background: #111; padding: 8px 0; font-size: 13px; color: var(--cg); border-bottom: 1px solid #222; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar a { color: var(--lg); }
.topbar a:hover { color: var(--am); }

/* ─── HEADER ─── */
.site-header { background: var(--ch); position: sticky; top: 0; z-index: 999; transition: all .3s; border-bottom: 1px solid var(--dg); }
.site-header.scrolled { background: rgba(45,45,45,.97); box-shadow: 0 4px 20px rgba(0,0,0,.3); backdrop-filter: blur(8px); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.site-logo { font-family: var(--fh); font-size: 22px; font-weight: 800; color: var(--wh); text-decoration: none; letter-spacing: .04em; }
.site-logo span { color: var(--am); }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { color: #aaa; font-size: 14px; font-weight: 500; text-decoration: none; transition: color .2s; position: relative; }
.main-nav a:hover, .main-nav a.current { color: var(--wh); }
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' ▾'; font-size: 10px; }
.nav-dropdown-menu {
    display: none; position: absolute; top: 100%; left: -12px;
    background: var(--ch); border: 1px solid var(--dg); min-width: 220px;
    padding: 8px 0; margin-top: 14px; z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { display: block; padding: 8px 20px; font-size: 13px; color: #bbb; }
.nav-dropdown-menu a:hover { background: var(--dg); color: var(--am); }
.header-cta .btn { padding: 10px 22px; font-size: 13px; }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--wh); margin: 5px 0; transition: all .3s; }

/* ─── HERO ─── */
.hero {
    min-height: 85vh; display: flex; align-items: center;
    background-size: cover; background-position: center;
    position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(20,18,15,.88), rgba(30,28,24,.55));
    z-index: 1;
}
.hero .container { position: relative; z-index: 2; }
.hero h1 { color: var(--wh); font-size: 48px; max-width: 680px; margin-bottom: 20px; }
.hero p { color: #b0b0b0; font-size: 17px; max-width: 540px; margin-bottom: 28px; line-height: 1.7; }
.hero-mini { min-height: 45vh; }
.hero-mini h1 { font-size: 40px; }

/* ─── USP BAR ─── */
.usp-bar { background: var(--am); padding: 36px 0; }
.usp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: center; }
.usp-icon { font-size: 28px; margin-bottom: 6px; }
.usp-title { font-family: var(--fh); font-size: 16px; font-weight: 700; color: var(--bk); text-transform: uppercase; }
.usp-text { font-size: 13px; color: #3a3000; margin-top: 4px; }

/* ─── CARDS GRID ─── */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
    background: var(--ch); overflow: hidden; transition: transform .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,.3); }
.card-img {
    height: 200px; background-size: cover; background-position: center;
    background-color: var(--dg); position: relative; overflow: hidden;
}
.card-img::after { content:''; position:absolute; inset:0; background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.4)); }
.card-body { padding: 22px; }
.card-body h3 { font-size: 17px; color: var(--wh); margin-bottom: 8px; text-transform: uppercase; }
.card-body p { font-size: 14px; color: var(--cg); line-height: 1.55; margin-bottom: 12px; }
.card-link { color: var(--am); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.card-link::after { content: ' →'; transition: transform .2s; display: inline-block; }
.card:hover .card-link::after { transform: translateX(4px); }

/* ─── TRUST STATS ─── */
.trust { padding: 64px 0; position: relative; background: var(--bk); }
.trust::before {
    content:''; position:absolute; inset:0;
    background: repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,.008) 10px,rgba(255,255,255,.008) 20px);
}
.trust-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; position: relative; z-index: 1; }
.trust-num { font-family: var(--fh); font-size: 50px; font-weight: 800; color: var(--am); line-height: 1; }
.trust-label { font-size: 12px; color: var(--cg); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 8px; }

/* ─── PROJECT GRID ─── */
.project-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.project-card { background: var(--ch); overflow: hidden; transition: transform .3s; }
.project-card:hover { transform: translateY(-3px); }
.project-card img, .project-card-img {
    width: 100%; height: 220px; object-fit: cover;
    background: var(--dg); display: block;
}
.project-card-body { padding: 18px; }
.project-card-body h3 { font-size: 15px; color: var(--wh); text-transform: uppercase; margin-bottom: 4px; }
.project-card-meta { font-size: 12px; color: var(--am); margin-bottom: 8px; }
.project-card-desc { font-size: 13px; color: var(--cg); line-height: 1.5; }
.project-card-specs { font-size: 11px; color: var(--cg); margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--dg); }

/* ─── ABOUT SPLIT ─── */
.about-split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.about-img { height: 420px; background: var(--dg); background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; color: var(--cg); font-size: 14px; }
.about-content h2 { margin-bottom: 16px; }
.about-content p { color: #555; font-size: 15px; line-height: 1.7; }
.about-content ul { list-style: none; margin: 16px 0 24px; }
.about-content ul li { padding: 6px 0 6px 24px; position: relative; color: #555; font-size: 15px; }
.about-content ul li::before { content: '✓'; position: absolute; left: 0; color: var(--am); font-weight: 700; }

/* ─── CTA SECTION ─── */
.cta-section { background: var(--am); padding: 64px 0; text-align: center; }
.cta-section h2 { color: var(--bk); margin-bottom: 12px; }
.cta-section p { color: #3a3000; font-size: 17px; margin-bottom: 28px; }
.cta-section .btn-row { justify-content: center; }

/* ─── SECTION VARIANTS ─── */
.sect-dark { background: var(--bk); color: var(--lg); }
.sect-dark h1,.sect-dark h2,.sect-dark h3,.sect-dark h4 { color: var(--wh); }
.sect-dark p { color: var(--cg); }
.sect-charcoal { background: var(--ch); color: var(--lg); }
.sect-charcoal h1,.sect-charcoal h2,.sect-charcoal h3,.sect-charcoal h4 { color: var(--wh); }
.sect-charcoal p { color: var(--cg); }
.sect-light { background: var(--ow); }
.sect-white { background: var(--wh); }
.sub { color: var(--cg); font-size: 17px; margin-bottom: 32px; }

/* ─── SPECS LIST ─── */
.specs-list { list-style: none; margin: 0; padding: 0; }
.specs-list li { padding: 10px 0 10px 32px; position: relative; font-size: 15px; border-bottom: 1px solid rgba(255,255,255,.08); }
.specs-list li::before { content: '▸'; position: absolute; left: 0; color: var(--am); font-weight: 700; font-size: 18px; }

/* ─── PROCESS STEPS ─── */
.steps-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 48px; }
.step::before {
    counter-increment: step; content: counter(step, decimal-leading-zero);
    font-family: var(--fh); font-size: 36px; font-weight: 800;
    color: var(--am); opacity: .5; position: absolute; top: 0; left: 0;
}
.step h4 { margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--cg); }

/* ─── FAQ ─── */
.faq-item { border-bottom: 1px solid var(--lg); }
.sect-dark .faq-item { border-bottom-color: var(--dg); }
.faq-q {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; cursor: pointer; font-family: var(--fh);
    font-size: 18px; font-weight: 600; transition: color .2s;
}
.faq-q:hover { color: var(--am); }
.faq-q::after { content: '+'; font-size: 24px; font-weight: 300; transition: transform .3s; }
.faq-item.active .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .3s; }
.faq-item.active .faq-a { max-height: 500px; padding-bottom: 20px; }
.faq-a p { font-size: 15px; line-height: 1.7; }

/* ─── QUOTE FORM ─── */
.quote-form { background: var(--ch); padding: 40px; }
.quote-form h3 { font-family: var(--fh); font-size: 26px; font-weight: 700; color: var(--wh); text-transform: uppercase; margin-bottom: 24px; }
.quote-form label { display: block; font-size: 12px; font-weight: 600; color: var(--cg); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; }
.quote-form input[type="text"],.quote-form input[type="email"],.quote-form input[type="tel"],
.quote-form input[type="number"],.quote-form select,.quote-form textarea {
    width:100%; padding:12px 14px; font-family:var(--fb); font-size:14px;
    color:var(--wh); background:var(--dg); border:1px solid var(--mg);
    border-radius:0; margin-bottom:14px; transition:border-color .2s;
}
.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus { outline:none; border-color:var(--am); }
.quote-form textarea { min-height: 100px; resize: vertical; }
.quote-form select {
    appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238C8C8C' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat:no-repeat; background-position:right 14px center; padding-right:36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gdpr-row { display:flex; align-items:flex-start; gap:10px; margin:14px 0 20px; }
.gdpr-row label { font-size:12px; color:var(--cg); text-transform:none; letter-spacing:0; margin-bottom:0; }
.gdpr-row a { color: var(--am); }
.form-submit {
    width:100%; padding:16px; font-family:var(--fh); font-size:16px; font-weight:700;
    text-transform:uppercase; letter-spacing:1px; background:var(--am); color:var(--bk);
    border:none; cursor:pointer; transition:all .25s;
}
.form-submit:hover { background:var(--amh); }
.form-submit:disabled { opacity:.6; cursor:not-allowed; }
.form-message { padding:12px 16px; margin-top:14px; font-size:14px; display:none; }
.form-message.success { display:block; background:rgba(46,204,113,.12); border-left:3px solid #2ecc71; color:#2ecc71; }
.form-message.error { display:block; background:rgba(231,76,60,.12); border-left:3px solid #e74c3c; color:#e74c3c; }
.hp-field { position:absolute!important; left:-9999px!important; opacity:0!important; height:0!important; overflow:hidden!important; }

/* ─── CONTACT SPLIT ─── */
.contact-split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.contact-map { background: var(--dg); min-height: 400px; }
.contact-map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.8) contrast(1.1); }
.contact-info { padding: 40px; background: var(--ch); }
.contact-info h3 { color: var(--wh); font-size: 20px; margin-bottom: 16px; }
.contact-info p { color: var(--cg); font-size: 14px; line-height: 1.8; }
.contact-info a { color: var(--am); }

/* ─── FOOTER ─── */
.site-footer { background: #111; padding: 56px 0 0; color: var(--cg); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h4 { font-family:var(--fh); font-size:13px; font-weight:700; color:var(--wh); text-transform:uppercase; letter-spacing:1px; margin-bottom:16px; }
.site-footer p, .site-footer li { font-size: 13px; line-height: 1.8; }
.site-footer ul { list-style: none; }
.site-footer a { color: var(--cg); }
.site-footer a:hover { color: var(--am); }
.footer-bottom { border-top:1px solid #222; padding:18px 0; margin-top:40px; font-size:12px; color:#555; display:flex; justify-content:space-between; }
.footer-bottom a { color: #666; }

/* ─── WHATSAPP FLOAT ─── */
.wa-float {
    position:fixed; bottom:24px; right:24px; z-index:9999; width:60px; height:60px;
    background:var(--gn); border-radius:50%; display:flex; align-items:center; justify-content:center;
    box-shadow:0 4px 16px rgba(37,211,102,.35); transition:all .3s; text-decoration:none;
}
.wa-float:hover { transform:scale(1.1); box-shadow:0 6px 24px rgba(37,211,102,.45); background:var(--gnh); }
.wa-float svg { width:30px; height:30px; fill:var(--wh); }

/* ─── MOBILE CONTACT BAR ─── */
.contact-bar { display:none; position:fixed; bottom:0; left:0; right:0; z-index:9998; background:var(--ch); border-top:2px solid var(--am); }
.contact-bar-inner { display:flex; }
.contact-bar a {
    flex:1; display:flex; align-items:center; justify-content:center; gap:6px;
    padding:14px 8px; font-family:var(--fh); font-size:13px; font-weight:700;
    text-transform:uppercase; color:var(--wh); text-decoration:none; text-align:center;
}
.contact-bar .bar-phone { background:var(--rd); }
.contact-bar .bar-wa { background:var(--gn); }
.contact-bar .bar-quote { background:var(--am); color:var(--bk); }

/* ─── LEGAL PAGE ─── */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h2 { font-size: 22px; margin-top: 32px; margin-bottom: 12px; }
.legal-content p { font-size: 15px; line-height: 1.75; color: #555; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    h1,.hero h1 { font-size: 34px; }
    h2 { font-size: 28px; }
    .trust-grid { grid-template-columns: repeat(2,1fr); }
    .steps-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 767px) {
    h1,.hero h1 { font-size: 28px; }
    h2 { font-size: 24px; }
    .hero { min-height: 70vh; }
    .hero-mini { min-height: 35vh; }
    .sect { padding: 48px 0; }
    .usp-grid { grid-template-columns: 1fr; gap: 16px; }
    .cards-grid, .project-grid { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: 1fr 1fr; }
    .trust-num { font-size: 36px; }
    .about-split { grid-template-columns: 1fr; gap: 24px; }
    .about-img { height: 260px; }
    .contact-split { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .form-row { grid-template-columns: 1fr; }
    .quote-form { padding: 24px; }
    .steps-grid { grid-template-columns: 1fr; }
    .btn-row { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }

    .main-nav { display:none; position:fixed; inset:0; background:rgba(26,26,26,.98); flex-direction:column; align-items:center; justify-content:center; gap:24px; z-index:1000; }
    .main-nav.open { display:flex; }
    .main-nav a { font-size:20px; color:var(--wh); }
    .nav-dropdown-menu { display:none!important; }
    .nav-toggle { display: block; }
    .header-cta { display: none; }

    .contact-bar { display: block; }
    .wa-float { bottom: 80px; }
}

@media print { .wa-float,.contact-bar,.topbar,.site-header { display:none!important; } }