/* ==========================================================
   MASTER TECHNICS — Fire & Ice design system
   Palette uit het logo: vlam (verwarming) ↔ ijs (koeling/sanitair)
   ========================================================== */
:root{
  --navy:#0B1F33; --steel:#14304A; --ink:#12283C; --muted:#54708A;
  --flame:#FF5A1F; --flame-deep:#E03E0B; --flame-soft:#FFF1EA;
  --ice:#1FA8D8; --ice-deep:#0E6E9E; --ice-soft:#EAF6FC;
  --frost:#F1F7FB; --paper:#FFFFFF; --line:#DCE7EF;
  --grad:linear-gradient(90deg,var(--flame) 0%,#FF8A3C 35%,#4FC3E8 65%,var(--ice-deep) 100%);
  --shadow:0 10px 30px rgba(11,31,51,.10);
  --shadow-lg:0 24px 60px rgba(11,31,51,.16);
  --r:14px; --r-lg:22px;
  --font-d:'Archivo',system-ui,sans-serif;
  --font-b:'Inter',system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-b);color:var(--ink);background:var(--paper);line-height:1.65;font-size:16.5px}
img{max-width:100%;height:auto;display:block}
a{color:var(--ice-deep);text-decoration:none}
a:hover{color:var(--flame-deep)}
:focus-visible{outline:3px solid var(--ice);outline-offset:2px;border-radius:4px}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
h1,h2,h3,h4{font-family:var(--font-d);color:var(--navy);line-height:1.15;letter-spacing:-.015em}
h1{font-size:clamp(2rem,5.4vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.55rem,3.6vw,2.35rem);font-weight:800}
h3{font-size:1.22rem;font-weight:700}
p{margin-bottom:1em}
.lead{font-size:1.13rem;color:var(--muted)}

/* Temperature line — handtekening-element */
.temp-line{height:4px;width:96px;border-radius:99px;background:var(--grad);margin:14px 0 22px}
.temp-line.center{margin-left:auto;margin-right:auto}

/* ---------- Announcement ---------- */
.announce{background:linear-gradient(90deg,var(--flame-deep),var(--flame));color:#fff;text-align:center;padding:9px 16px;font-size:.92rem;font-weight:600}
.announce a{color:#fff;text-decoration:underline}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 22px;max-width:1180px;margin:0 auto}
.brand img{height:52px;width:auto}
.nav-links{display:flex;gap:6px;list-style:none;align-items:center}
.nav-links a{font-weight:600;color:var(--ink);padding:9px 13px;border-radius:9px;font-size:.98rem}
.nav-links a:hover{background:var(--frost);color:var(--ice-deep)}
.nav-links a.active{color:var(--flame-deep)}
.nav-cta{background:var(--navy);color:#fff!important;border-radius:99px;padding:10px 18px!important;white-space:nowrap;transition:background .2s}
.nav-cta:hover{background:var(--flame-deep)!important;color:#fff!important}
.burger{display:none;background:none;border:0;font-size:1.7rem;color:var(--navy);cursor:pointer;padding:4px 8px}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy)}
.hero::before{content:"";position:absolute;inset:0;
  background:
   radial-gradient(1100px 650px at 88% -10%,rgba(31,168,216,.38),transparent 60%),
   radial-gradient(1000px 700px at -12% 110%,rgba(255,90,31,.34),transparent 58%),
   linear-gradient(135deg,#0B1F33 0%,#123049 55%,#0B1F33 100%);
  animation:heat 14s ease-in-out infinite alternate}
@keyframes heat{from{filter:hue-rotate(0deg) saturate(1)}to{filter:hue-rotate(-8deg) saturate(1.15)}}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--grad)}
.hero-inner{position:relative;padding:78px 0 84px;max-width:820px}
.hero h1{color:#fff}
.hero .accent{background:linear-gradient(90deg,#FFB36B,#FF7A33);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#C9DAE8;font-size:1.16rem;max-width:640px;margin:18px 0 26px}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);padding:7px 15px;border-radius:99px;font-size:.9rem;font-weight:600;margin-bottom:20px}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;border-radius:99px;padding:15px 27px;font-size:1.02rem;transition:transform .18s,box-shadow .18s,background .18s;border:0;cursor:pointer;font-family:var(--font-b)}
.btn:active{transform:scale(.97)}
.btn-flame{background:linear-gradient(135deg,var(--flame),var(--flame-deep));color:#fff!important;box-shadow:0 10px 26px rgba(224,62,11,.38)}
.btn-flame:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(224,62,11,.5)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff!important;border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-ice{background:var(--ice-deep);color:#fff!important}
.btn-ice:hover{background:var(--ice);transform:translateY(-2px)}
.btn-wa{background:#25D366;color:#fff!important;box-shadow:0 10px 24px rgba(37,211,102,.35)}
.btn-wa:hover{transform:translateY(-2px)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;margin-top:44px;flex-wrap:wrap}
.stat b{display:block;font-family:var(--font-d);font-size:1.9rem;font-weight:800;background:linear-gradient(90deg,#FFD9A8,#8FDFF7);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:#9FB8CC;font-size:.9rem}

/* ---------- Trust bar ---------- */
.trust{background:var(--frost);border-bottom:1px solid var(--line)}
.trust .container{display:flex;gap:10px 34px;flex-wrap:wrap;justify-content:center;padding:15px 22px;font-size:.94rem;font-weight:600;color:var(--steel)}
.trust span{display:inline-flex;gap:8px;align-items:center}

/* ---------- Sections ---------- */
section{padding:74px 0}
.sec-frost{background:var(--frost)}
.sec-navy{background:var(--navy);color:#D7E5F0}
.sec-navy h2,.sec-navy h3{color:#fff}
.center{text-align:center}
.kicker{display:inline-block;font-family:var(--font-d);font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--flame-deep);margin-bottom:10px}
.sec-navy .kicker{color:#FF9A62}

/* ---------- Cards ---------- */
.grid{display:grid;gap:22px;margin-top:40px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:opacity .22s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card:hover::before{opacity:1}
.card .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px;background:var(--flame-soft)}
.card:nth-child(even) .ico{background:var(--ice-soft)}
.card h3{margin-bottom:9px}
.card p{color:var(--muted);font-size:.98rem;margin-bottom:14px}
.card .more{font-weight:700;color:var(--ice-deep)}
.card .more::after{content:" →"}
.price-tag{display:inline-block;background:var(--navy);color:#fff;font-family:var(--font-d);font-weight:700;border-radius:99px;padding:4px 13px;font-size:.88rem;margin-bottom:12px}
.price-tag.hot{background:linear-gradient(135deg,var(--flame),var(--flame-deep))}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px;counter-reset:s}
.step{background:var(--paper);border-radius:var(--r-lg);padding:28px 22px;border:1px solid var(--line);position:relative;counter-increment:s}
.step::before{content:counter(s,decimal-leading-zero);font-family:var(--font-d);font-weight:800;font-size:2.2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:8px}

/* ---------- Compare table ---------- */
.compare{overflow-x:auto;margin-top:38px;border-radius:var(--r-lg);box-shadow:var(--shadow)}
.compare table{width:100%;border-collapse:collapse;background:var(--paper);min-width:640px}
.compare th,.compare td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:.97rem}
.compare thead th{background:var(--navy);color:#fff;font-family:var(--font-d)}
.compare thead th:nth-child(2){background:linear-gradient(135deg,var(--flame),var(--flame-deep))}
.compare td:nth-child(2){font-weight:700;color:var(--navy);background:var(--flame-soft)}
.compare .ok{color:#1B9E4B;font-weight:800}
.compare .no{color:#C33;font-weight:800}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:40px auto 0}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--shadow);border-color:var(--ice)}
.faq summary{cursor:pointer;font-weight:700;padding:19px 52px 19px 22px;list-style:none;position:relative;color:var(--navy);font-family:var(--font-d);font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--flame);transition:transform .25s;font-weight:400}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--ice-deep)}
.faq .a{padding:0 22px 20px;color:var(--muted)}

/* ---------- Reviews ---------- */
.review{background:var(--paper);border-radius:var(--r-lg);padding:28px;border:1px solid var(--line);box-shadow:var(--shadow)}
.stars{color:#F5A623;letter-spacing:2px;margin-bottom:10px;font-size:1.05rem}
.review p{font-size:.98rem;color:var(--ink)}
.review .who{font-weight:700;color:var(--navy);font-size:.92rem;margin:0}
.review .who span{display:block;font-weight:500;color:var(--muted);font-size:.84rem}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--navy);color:#fff;border-radius:var(--r-lg);padding:52px 44px;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 400px at 108% 120%,rgba(255,90,31,.4),transparent 60%),radial-gradient(600px 400px at -8% -20%,rgba(31,168,216,.35),transparent 60%)}
.cta-band>*{position:relative}
.cta-band h2{color:#fff;margin-bottom:8px}
.cta-band p{color:#BFD3E2;margin:0}

/* ---------- Local links / chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chips a{background:var(--paper);border:1px solid var(--line);padding:9px 17px;border-radius:99px;font-weight:600;font-size:.92rem;color:var(--steel);transition:all .18s}
.chips a:hover{border-color:var(--flame);color:var(--flame-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
.sec-navy .chips a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#D7E5F0}

/* ---------- Breadcrumbs ---------- */
.crumbs{font-size:.86rem;color:var(--muted);padding:16px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--flame-deep)}
.crumbs span{margin:0 7px;color:var(--line)}

/* ---------- Content / prose ---------- */
.prose{max-width:790px}
.prose h2{margin:44px 0 14px}
.prose h3{margin:30px 0 10px}
.prose ul{margin:0 0 1em 1.25em}
.prose li{margin-bottom:.45em}
.check{list-style:none!important;margin-left:0!important}
.check li{padding-left:30px;position:relative}
.check li::before{content:"✓";position:absolute;left:0;color:var(--flame-deep);font-weight:800}

/* ---------- Forms ---------- */
.form{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow)}
.form label{font-weight:600;font-size:.92rem;display:block;margin:16px 0 6px;color:var(--navy)}
.form input,.form select,.form textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-family:inherit;font-size:1rem;background:var(--frost);transition:border-color .15s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--ice);background:#fff}
.form button{margin-top:22px;width:100%}

/* ---------- Footer ---------- */
footer{background:var(--navy);color:#9FB8CC;padding:62px 0 0;font-size:.95rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
footer h4{color:#fff;font-size:1rem;margin-bottom:15px}
footer a{color:#9FB8CC;display:block;padding:3.5px 0}
footer a:hover{color:#fff}
footer .brand-f img{height:46px;margin-bottom:14px}
.foot-line{height:4px;background:var(--grad)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:.85rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Floating WhatsApp + sticky mobile bar ---------- */
.wa-float{position:fixed;right:20px;bottom:22px;z-index:70;width:60px;height:60px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 12px 30px rgba(37,211,102,.45);transition:transform .2s;animation:pulse 2.6s infinite}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:32px;height:32px;fill:#fff}
@keyframes pulse{0%,100%{box-shadow:0 12px 30px rgba(37,211,102,.45)}50%{box-shadow:0 12px 30px rgba(37,211,102,.45),0 0 0 14px rgba(37,211,102,.12)}}
.sticky-call{display:none;position:fixed;left:0;right:0;bottom:0;z-index:65;background:var(--paper);border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));gap:10px;box-shadow:0 -8px 24px rgba(11,31,51,.12)}
.sticky-call a{flex:1;justify-content:center;padding:13px;font-size:.98rem}

/* ---------- Reveal animations ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  section{padding:56px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .burger{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 18px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);gap:2px}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 12px}
  .nav-cta{text-align:center;margin-top:8px}
  .brand img{height:44px}
  .hero-inner{padding:56px 0 62px}
  .hero-stats{gap:24px}
  .sticky-call{display:flex}
  .wa-float{bottom:84px;right:16px;width:54px;height:54px}
  .cta-band{padding:38px 26px}
  footer{padding-bottom:74px}
}