/* =========================================================
   ISOLTERMICA — Design System
   Merk: #14B8A6 (teal) · #091C3C (navy) · #FFFFFF
   Font: Inter
   ========================================================= */

:root {
  /* Brand */
  --teal:        #14B8A6;
  --teal-600:    #0E9C8C;
  --teal-700:    #0B8377;
  --teal-050:    #EAFBF7;
  --teal-100:    #D3F5EF;
  --navy:        #091C3C;
  --navy-800:    #0E2547;
  --white:       #FFFFFF;

  /* Neutrals */
  --ink:         #0C1B31;
  --body:        #33465F;
  --muted:       #6B7C93;
  --line:        #E4E9F1;
  --line-soft:   #EEF2F8;
  --bg:          #FFFFFF;
  --bg-soft:     #F5F8FC;
  --bg-softer:   #FAFCFE;

  /* Effects */
  --shadow-sm:  0 1px 2px rgba(9,28,60,.06), 0 1px 3px rgba(9,28,60,.05);
  --shadow-md:  0 8px 24px -12px rgba(9,28,60,.22);
  --shadow-lg:  0 24px 60px -24px rgba(9,28,60,.35);
  --shadow-teal:0 18px 40px -16px rgba(20,184,166,.55);

  --radius:     14px;
  --radius-lg:  22px;
  --radius-pill:999px;

  --container:  1180px;
  --gutter:     clamp(20px, 4vw, 40px);

  --ease:       cubic-bezier(.22,.61,.36,1);
  --header-h:   72px;
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--body);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1,h2,h3,h4 { color: var(--ink); line-height: 1.1; font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(28px, 4vw, 44px); }
h3 { font-size: clamp(20px, 2.4vw, 26px); letter-spacing: -0.01em; }
p { color: var(--body); }
::selection { background: var(--teal); color: #fff; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding: clamp(64px, 9vw, 118px) 0; }
.section--tight { padding: clamp(48px, 6vw, 80px) 0; }
.section--soft { background: var(--bg-soft); }
.section--navy { background: var(--navy); }
.section--navy h1,.section--navy h2,.section--navy h3 { color: #fff; }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.maxw-640 { max-width: 640px; }
.maxw-720 { max-width: 720px; }

/* ---------- Eyebrow / kicker ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal-700);
}
.eyebrow::before { content:""; width: 26px; height: 2px; background: var(--teal); border-radius: 2px; }
.eyebrow.center-line { justify-content: center; }
.section--navy .eyebrow { color: var(--teal); }

.lead { font-size: clamp(17px, 1.4vw, 19px); color: var(--muted); }
.section--navy .lead { color: rgba(255,255,255,.72); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--teal); --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; border-radius: 10px; border: 1px solid transparent;
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 600; font-size: 15.5px; letter-spacing: .01em;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .2s var(--ease);
  will-change: transform; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-teal); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: translateY(0); }
.btn--lg { padding: 17px 32px; font-size: 16.5px; border-radius: 12px; }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--navy); box-shadow: var(--shadow-md); background:#fff; }
.btn--outline-light { --btn-bg: transparent; --btn-fg:#fff; border-color: rgba(255,255,255,.35); }
.btn--outline-light:hover { background: rgba(255,255,255,.08); box-shadow:none; border-color:#fff; }
.btn--white { --btn-bg:#fff; --btn-fg: var(--navy); }
.btn--white:hover { box-shadow: var(--shadow-lg); }
.btn--navy { --btn-bg: var(--navy); --btn-fg:#fff; }
.btn--navy:hover { box-shadow: var(--shadow-lg); }
.btn--block { display:flex; width:100%; }

/* ---------- Pills / badges ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 15px; border-radius: var(--radius-pill);
  font-size: 13.5px; font-weight: 600; color: var(--teal-700);
  background: var(--teal-050); border: 1px solid var(--teal-100);
}
.pill svg { width: 15px; height: 15px; }
.pill--glass {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  color:#fff; backdrop-filter: blur(8px);
}
.pill--dark { background: var(--navy); color:#fff; border:none; }
.badge-corner {
  position: absolute; top: 16px; left: 16px; z-index: 3;
  padding: 7px 14px; border-radius: var(--radius-pill); font-size: 12.5px; font-weight: 700;
  background: var(--teal); color:#fff; box-shadow: var(--shadow-md);
}
.badge-corner.badge--navy { background: var(--navy); }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy); color: rgba(255,255,255,.82);
  font-size: 13px; letter-spacing: .01em;
}
.topbar .container { display:flex; justify-content:space-between; align-items:center; height: 40px; gap: 16px; }
.topbar a { color:#fff; display:inline-flex; align-items:center; gap:7px; }
.topbar a:hover { color: var(--teal); }
.topbar svg { width: 15px; height: 15px; color: var(--teal); }
.topbar__left { display:flex; align-items:center; gap:9px; }
.topbar__left b { color:#fff; font-weight:600; }
.topbar__right { display:flex; align-items:center; gap:18px; }

/* Language switcher */
.lang-switch { position:relative; }
.lang-current { display:flex; align-items:center; gap:6px; background:transparent; border:1px solid rgba(255,255,255,.22);
  color:#fff; padding:5px 10px; border-radius:8px; font-size:12.5px; font-weight:600; cursor:pointer; transition:.2s var(--ease); }
.lang-current:hover { border-color: var(--teal); color: var(--teal); }
.lang-current svg { width:14px; height:14px; }
.lang-current .chev { transition: transform .2s var(--ease); }
.lang-switch.open .lang-current .chev { transform: rotate(180deg); }
.lang-menu { position:absolute; top:calc(100% + 6px); right:0; z-index:90; background:#fff; border:1px solid var(--line);
  border-radius:10px; box-shadow: var(--shadow-lg); padding:6px; min-width:150px; list-style:none; margin:0;
  opacity:0; visibility:hidden; transform: translateY(-6px); transition:.18s var(--ease); }
.lang-switch.open .lang-menu { opacity:1; visibility:visible; transform:none; }
.lang-menu li { padding:9px 12px; border-radius:7px; font-size:14px; color: var(--ink); cursor:pointer; display:flex; align-items:center; gap:9px; }
.lang-menu li:hover { background: var(--teal-050); color: var(--teal-700); }
.lang-menu li.active { color: var(--teal-700); font-weight:700; }
.lang-menu li .code { font-size:11px; font-weight:700; color: var(--muted); margin-left:auto; }
@media (max-width:680px){
  .topbar__right { gap:12px; }
  .topbar__right > a { display:none; }
}

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .3s var(--ease);
}
.header.scrolled { box-shadow: 0 8px 30px -18px rgba(9,28,60,.3); }
.nav { display:flex; align-items:center; justify-content:space-between; height: var(--header-h); gap: 20px; }
.brand { display:flex; align-items:center; }
.brand img { height: 42px; width:auto; }
.nav__links { display:flex; align-items:center; gap: 4px; }
.nav__links a {
  padding: 10px 15px; border-radius: 9px; font-size: 15px; font-weight: 500; color: var(--ink);
  position: relative; transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__links a:hover { color: var(--teal-700); background: var(--teal-050); }
.nav__links a.active { color: var(--teal-700); }
.nav__links a.active::after {
  content:""; position:absolute; left:15px; right:15px; bottom:4px; height:2px;
  background: var(--teal); border-radius:2px;
}
.nav__cta { display:flex; align-items:center; gap: 12px; }
.nav__toggle {
  display:none; width:44px; height:44px; border:1px solid var(--line); border-radius:10px;
  background:#fff; align-items:center; justify-content:center;
}
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  content:""; display:block; width:20px; height:2px; background: var(--navy); border-radius:2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease); position:relative;
}
.nav__toggle span::before { position:absolute; top:-6px; }
.nav__toggle span::after { position:absolute; top:6px; }
body.menu-open .nav__toggle span { background: transparent; }
body.menu-open .nav__toggle span::before { transform: translateY(6px) rotate(45deg); }
body.menu-open .nav__toggle span::after { transform: translateY(-6px) rotate(-45deg); }

/* Mobile drawer */
.mobile-menu {
  position: fixed; inset: 0 0 0 auto; width: min(86vw, 380px);
  background:#fff; z-index: 70; transform: translateX(100%);
  transition: transform .35s var(--ease); box-shadow: var(--shadow-lg);
  display:flex; flex-direction:column; padding: 22px; gap: 6px; overflow-y:auto;
}
body.menu-open .mobile-menu { transform: translateX(0); }
.mobile-menu a { padding: 15px 12px; border-radius: 10px; font-size: 18px; font-weight:600; color: var(--ink); border-bottom:1px solid var(--line-soft); }
.mobile-menu a:hover { background: var(--teal-050); }
.mobile-menu .btn { margin-top: 14px; }
.scrim { position: fixed; inset:0; background: rgba(9,28,60,.45); opacity:0; visibility:hidden; transition:.3s; z-index:65; }
body.menu-open .scrim { opacity:1; visibility:visible; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--navy); }
.hero__bg { position:absolute; inset:0; z-index:0; }
.hero__bg img { width:100%; height:100%; object-fit: cover; }
.hero__bg::after {
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(100deg, rgba(9,28,60,.94) 0%, rgba(9,28,60,.82) 38%, rgba(9,28,60,.35) 70%, rgba(9,28,60,.15) 100%);
}
.hero__inner { position: relative; z-index:2; padding-block: clamp(72px, 11vw, 140px) clamp(56px, 8vw, 96px); }
.hero__content { max-width: 680px; color:#fff; }
.hero h1 {
  color:#fff; font-size: clamp(36px, 5.2vw, 58px); font-weight: 800; letter-spacing:-0.03em;
  margin: 22px 0 20px;
}
.hero h1 .accent { color: var(--teal); }
.hero__sub { font-size: clamp(17px, 1.7vw, 20px); color: rgba(255,255,255,.85); max-width: 560px; }
.hero__micro { margin-top: 16px; color: rgba(255,255,255,.62); font-size: 15px; display:flex; align-items:center; gap:8px; }
.hero__micro svg { width:16px;height:16px;color:var(--teal); }
.hero__actions { display:flex; flex-wrap:wrap; gap: 14px; margin-top: 34px; }

/* Hero stats */
.hero__stats { display:flex; gap: 34px; margin-top: 44px; flex-wrap:wrap; }
.stat { position: relative; padding-left: 20px; }
.stat::before { content:""; position:absolute; left:0; top:4px; bottom:4px; width:3px; background: var(--teal); border-radius:3px; }
.stat__num { font-size: clamp(26px, 3vw, 34px); font-weight:800; color:#fff; letter-spacing:-0.02em; line-height:1; }
.stat__label { font-size: 13.5px; color: rgba(255,255,255,.62); margin-top:6px; }

/* Compact page hero (sub pages) */
.pagehero { position: relative; background: var(--navy); overflow:hidden; }
.pagehero__bg { position:absolute; inset:0; z-index:0; }
.pagehero__bg img { width:100%; height:100%; object-fit:cover; opacity:.34; }
.pagehero::after {
  content:""; position:absolute; inset:0; z-index:1;
  background: linear-gradient(180deg, rgba(9,28,60,.7), rgba(9,28,60,.92));
}
.pagehero__inner { position:relative; z-index:2; padding-block: clamp(72px,10vw,120px); text-align:center; color:#fff; }
.pagehero h1 { color:#fff; font-size: clamp(34px, 5vw, 54px); margin: 18px 0 16px; }
.pagehero p { color: rgba(255,255,255,.78); max-width: 640px; margin-inline:auto; font-size: 18px; }

/* ---------- Trust bar ---------- */
.trustbar { background: var(--navy-800); border-top:1px solid rgba(255,255,255,.08); }
.trustbar .container { display:grid; grid-template-columns: repeat(4,1fr); gap: 8px; padding-block: 20px; }
.trust-item { display:flex; align-items:center; gap:12px; color: rgba(255,255,255,.9); font-size: 14.5px; font-weight:500; justify-content:center; }
.trust-item svg { width:22px; height:22px; color: var(--teal); flex:none; }

/* ---------- Partners ---------- */
.partners { text-align:center; }
.partners__logos { display:flex; align-items:center; justify-content:center; gap: clamp(36px,6vw,84px); flex-wrap:wrap; margin-top: 40px; }
.partners__logos img { width:auto; opacity:.95; transition:.3s var(--ease); }
.partners__logos img[alt="Vaillant"] { height: 62px; }
.partners__logos img[alt="RESCert"] { height: 80px; }
.partners__logos img:hover { opacity:1; transform: scale(1.04); }
.partners__divider { width:1px; height:66px; background: var(--line); }
@media (max-width:680px){
  .partners__logos img[alt="Vaillant"] { height: 48px; }
  .partners__logos img[alt="RESCert"] { height: 62px; }
  .partners__divider { height: 52px; }
}

/* ---------- Feature / split ---------- */
.split { display:grid; grid-template-columns: 1fr 1fr; gap: clamp(32px,5vw,68px); align-items:center; }
.split--reverse .split__media { order: 2; }
.split__media { position: relative; }
.split__media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); width:100%; object-fit:cover; }
.media-frame { position: relative; border-radius: var(--radius-lg); overflow:hidden; }
.media-badge {
  position:absolute; right: -14px; bottom: 26px; z-index:3;
  background: var(--teal); color:#fff; padding: 18px 24px; border-radius: 16px;
  box-shadow: var(--shadow-teal);
}
.media-badge .big { font-size: 30px; font-weight:800; line-height:1; }
.media-badge .small { font-size: 13px; opacity:.9; margin-top:5px; }
.media-badge--white { background:#fff; color: var(--navy); box-shadow: var(--shadow-lg); }
.media-badge--tl { left: 20px; right:auto; top: 20px; bottom:auto; }
.logo-chip {
  position:absolute; top: 18px; right: 18px; z-index:3; background:#fff; border-radius: 14px;
  padding: 12px 16px; box-shadow: var(--shadow-md);
}
.logo-chip img { height: 26px; filter:none; opacity:1; }

.checklist { list-style:none; padding:0; margin: 26px 0 32px; display:grid; gap: 14px; }
.checklist li { display:flex; align-items:flex-start; gap: 12px; font-size: 16.5px; color: var(--ink); }
.checklist li svg { width: 22px; height:22px; color: var(--teal); flex:none; margin-top:1px; }
.checklist--two { grid-template-columns: 1fr 1fr; }
.section--navy .checklist li { color: rgba(255,255,255,.9); }

/* ---------- Cards grid ---------- */
.grid { display:grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.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: 30px 26px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card__icon {
  width: 54px; height: 54px; border-radius: 14px; display:flex; align-items:center; justify-content:center;
  background: var(--navy); color: var(--teal); margin-bottom: 22px; transition: .3s var(--ease);
}
.card:hover .card__icon { background: var(--teal); color:#fff; transform: rotate(-4deg); }
.card__icon svg { width: 26px; height:26px; }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 15.5px; color: var(--muted); }

/* ---------- Process (navy, numbered) ---------- */
.process-card {
  position: relative; background: rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.09);
  border-radius: var(--radius); padding: 32px 26px 28px; overflow:hidden;
  transition: transform .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}
.process-card:hover { transform: translateY(-6px); background: rgba(255,255,255,.07); border-color: rgba(20,184,166,.5); }
.process-card__n {
  font-size: 58px; font-weight: 800; line-height: 1; color: transparent;
  -webkit-text-stroke: 1.5px rgba(20,184,166,.55); letter-spacing:-0.03em; margin-bottom: 14px;
}
.process-card h3 { color:#fff; font-size: 20px; margin-bottom: 10px; }
.process-card p { color: rgba(255,255,255,.68); font-size: 15px; }
.process-card__badge { position:absolute; top:20px; right:20px; font-size:12px; font-weight:700; color: var(--teal); letter-spacing:.1em; }

/* Vertical process (aanpak page) */
.timeline { position: relative; display:grid; gap: 22px; }
.timeline__item {
  display:grid; grid-template-columns: 76px 1fr; gap: 22px; align-items:start;
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 26px 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.timeline__item:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
.timeline__n {
  width: 60px; height:60px; border-radius: 16px; background: var(--teal-050); color: var(--teal-700);
  display:flex; align-items:center; justify-content:center; font-size: 22px; font-weight:800;
  border:1px solid var(--teal-100);
}
.timeline__item:hover .timeline__n { background: var(--teal); color:#fff; border-color: var(--teal); }

/* ---------- Product rows (warmtepompen) ---------- */
.product {
  display:grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,4vw,56px); align-items:center;
  padding: clamp(28px,4vw,44px); background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); transition: box-shadow .3s var(--ease);
}
.product:hover { box-shadow: var(--shadow-lg); }
.product--reverse .product__media { order:2; }
.product__media { position: relative; border-radius: var(--radius); overflow:hidden; }
.product__media img { width:100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .6s var(--ease); }
.product:hover .product__media img { transform: scale(1.04); }
.product__tag { font-size: 13px; font-weight:600; color: var(--teal-700); text-transform:uppercase; letter-spacing:.08em; }
.product h3 { font-size: clamp(24px,3vw,32px); margin: 6px 0 14px; }
.product__specs { list-style:none; padding:0; margin: 20px 0 24px; display:grid; grid-template-columns:1fr 1fr; gap: 12px; }
.product__specs li { display:flex; gap:9px; align-items:flex-start; font-size: 15px; color: var(--ink); }
.product__specs li svg { width:18px;height:18px;color:var(--teal);flex:none;margin-top:2px; }

/* ---------- Premie cards ---------- */
.premie {
  background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  border-top: 3px solid var(--teal); transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.premie:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.premie__amount { font-size: 30px; font-weight:800; color: var(--navy); letter-spacing:-0.02em; }
.premie h4 { font-size: 17px; color: var(--ink); margin: 6px 0 10px; font-weight:700; }
.premie p { font-size: 14.5px; color: var(--muted); }

/* ---------- Pricing (onderhoud) ---------- */
.price-card {
  position: relative; background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px; display:flex; flex-direction:column; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.featured { border-color: var(--teal); box-shadow: var(--shadow-teal); transform: translateY(-8px) scale(1.02); }
.price-card.featured:hover { transform: translateY(-12px) scale(1.02); }
.price-card__flag {
  position:absolute; top:-13px; left:50%; transform:translateX(-50%);
  background: var(--teal); color:#fff; font-size:12.5px; font-weight:700; padding:6px 16px; border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
}
.price-card__tier { font-size: 13px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color: var(--teal-700); }
.price-card__price { font-size: 38px; font-weight:800; color: var(--navy); margin: 12px 0 4px; letter-spacing:-0.02em; }
.price-card__price span { font-size: 15px; font-weight:600; color: var(--muted); }
.price-card__desc { font-size: 14.5px; color: var(--muted); min-height: 44px; }
.price-card ul { list-style:none; padding:0; margin: 22px 0 26px; display:grid; gap: 12px; }
.price-card li { display:flex; gap:10px; align-items:flex-start; font-size: 14.5px; color: var(--ink); }
.price-card li svg { width:18px;height:18px;color:var(--teal);flex:none;margin-top:2px; }
.price-card .btn { margin-top:auto; }

/* ---------- CTA band (teal gradient) ---------- */
.cta-band { position: relative; overflow:hidden; background: linear-gradient(120deg, var(--teal-700), var(--teal) 55%, #23c9b6); }
.cta-band::before { content:""; position:absolute; inset:0; background: radial-gradient(circle at 15% 20%, rgba(255,255,255,.16), transparent 45%); }
.cta-band__inner { position:relative; z-index:2; text-align:center; color:#fff; padding-block: clamp(56px,8vw,92px); }
.cta-band h2 { color:#fff; font-size: clamp(28px,4vw,42px); margin-bottom: 16px; }
.cta-band p { color: rgba(255,255,255,.9); max-width: 560px; margin: 0 auto 30px; font-size: 18px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin-inline:auto; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width:100%; text-align:left; background:none; border:none; padding: 24px 44px 24px 0;
  font-size: 17.5px; font-weight:700; color: var(--ink); position:relative; display:flex; justify-content:space-between; gap:16px;
}
.faq__q::after {
  content:""; position:absolute; right:4px; top:50%; width:12px; height:12px; margin-top:-8px;
  border-right:2px solid var(--teal); border-bottom:2px solid var(--teal);
  transform: rotate(45deg); transition: transform .3s var(--ease);
}
.faq__item.open .faq__q::after { transform: rotate(-135deg); }
.faq__a { max-height:0; overflow:hidden; transition: max-height .4s var(--ease); }
.faq__a p { padding: 0 40px 26px 0; color: var(--muted); font-size: 16px; }

/* ---------- Calculator ---------- */
.calc { max-width: 760px; margin-inline:auto; }
.calc-card { background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: clamp(26px,4vw,42px); }
.calc-card h2 { font-size: 24px; margin-bottom: 6px; }
.calc-field { margin-top: 30px; }
.calc-field > label { display:block; font-weight:700; color: var(--ink); font-size: 16px; margin-bottom: 4px; }
.calc-field .hint { font-size: 13.5px; color: var(--muted); margin-bottom: 14px; }
.calc-field .value { color: var(--teal-700); }

/* Range slider */
.range-wrap { padding-top: 6px; }
input[type=range] { -webkit-appearance:none; appearance:none; width:100%; height:6px; border-radius:6px; background: var(--line); outline:none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance:none; width:24px; height:24px; border-radius:50%; background: var(--teal); border:4px solid #fff; box-shadow: var(--shadow-md); cursor:pointer; transition: transform .15s; }
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.12); }
input[type=range]::-moz-range-thumb { width:24px;height:24px;border-radius:50%;background:var(--teal);border:4px solid #fff;box-shadow:var(--shadow-md);cursor:pointer;}
.range-scale { display:flex; justify-content:space-between; font-size:13px; color:var(--muted); margin-top:10px; }

/* Option groups */
.opt-grid { display:grid; gap: 10px; }
.opt-grid.cols-7 { grid-template-columns: repeat(7,1fr); }
.opt-grid.cols-4 { grid-template-columns: repeat(4,1fr); }
.opt-grid.cols-3 { grid-template-columns: repeat(3,1fr); }
.opt-grid.cols-2 { grid-template-columns: repeat(2,1fr); }
.opt {
  border:1.5px solid var(--line); background:#fff; border-radius: 11px; padding: 13px 12px; text-align:center;
  font-weight:600; font-size: 15px; color: var(--ink); transition: .2s var(--ease); line-height:1.25;
}
.opt small { display:block; font-weight:500; font-size:12px; color: var(--muted); margin-top:2px; }
.opt:hover { border-color: var(--teal); background: var(--teal-050); }
.opt.selected { border-color: var(--teal); background: var(--teal); color:#fff; box-shadow: var(--shadow-teal); }
.opt.selected small { color: rgba(255,255,255,.85); }

.calc input[type=email], .calc input[type=number], .calc input[type=text], .form input, .form textarea, .form select {
  width:100%; padding: 15px 16px; border:1.5px solid var(--line); border-radius: 11px; font-size: 16px; color: var(--ink);
  background:#fff; transition: border-color .2s var(--ease), box-shadow .2s var(--ease); font-family:inherit;
}
.calc input:focus, .form input:focus, .form textarea:focus, .form select:focus { outline:none; border-color: var(--teal); box-shadow: 0 0 0 4px var(--teal-050); }

.calc-cost-input { display:none; margin-top:16px; }
.calc-cost-input.show { display:block; }

/* Results */
.results-head { display:flex; align-items:center; gap:12px; margin-bottom: 22px; }
.results-head .check { width:40px;height:40px;border-radius:50%;background:var(--teal-050);color:var(--teal);display:flex;align-items:center;justify-content:center; }
.result-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.result-block { background: var(--bg-soft); border:1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; text-align:center; }
.result-block .num { font-size: 30px; font-weight:800; color: var(--navy); letter-spacing:-0.02em; }
.result-block .lbl { font-size: 13.5px; color: var(--muted); margin-top:6px; }
.result-block.is-locked .num, .result-block.is-locked .lbl { filter: blur(9px); user-select:none; }
.result-block.accent { background: var(--teal); border-color: var(--teal); }
.result-block.accent .num, .result-block.accent .lbl { color:#fff; }
.gate-note { display:flex; align-items:center; gap:8px; color: var(--teal-700); font-size:14.5px; font-weight:600; margin: 18px 0; }
.gate-note svg { width:16px;height:16px; }
.email-gate { margin-top: 8px; }
.email-gate h3 { font-size: 22px; margin-bottom: 6px; }
.email-gate .sub { color: var(--muted); font-size:15px; margin-bottom: 18px; }
.privacy-note { text-align:center; color: var(--muted); font-size: 13px; margin-top:14px; }
.compare-row { display:grid; grid-template-columns: repeat(3,1fr); gap:16px; margin-top:20px; }
.warn-note { background:#FFF7ED; border:1px solid #FED7AA; color:#9A3412; border-radius:12px; padding:14px 16px; font-size:14px; margin-top:18px; display:flex; gap:10px; align-items:flex-start; }
.warn-note svg { width:18px;height:18px;flex:none;margin-top:1px; }
.disclaimer { font-size: 12.5px; color: var(--muted); margin-top: 22px; line-height:1.6; }
.result-msg { margin-top: 18px; padding: 16px 18px; border-radius: 12px; font-size: 15px; font-weight: 500; line-height: 1.55;
  background: var(--teal-050); border: 1px solid var(--teal-100); color: var(--teal-700); }
.result-msg[data-k="laag"] { background: #FFF7ED; border-color: #FED7AA; color: #9A3412; }

/* ---------- Contact ---------- */
.contact-grid { display:grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px,4vw,52px); }
.info-list { display:grid; gap: 22px; margin-top: 26px; }
.info-item { display:flex; gap:16px; align-items:flex-start; }
.info-item .ic { width:46px;height:46px;border-radius:12px;background:var(--teal-050);color:var(--teal-700);display:flex;align-items:center;justify-content:center;flex:none; }
.info-item .ic svg { width:22px;height:22px; }
.info-item .k { font-size:12px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }
.info-item .v { font-size:16.5px; color:var(--ink); font-weight:600; }
.info-item a.v:hover { color: var(--teal-700); }
.form { display:grid; gap:16px; }
.form .row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form label { font-size:14px; font-weight:600; color:var(--ink); margin-bottom:6px; display:block; }
.form textarea { min-height: 130px; resize: vertical; }
.card-pad { background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); padding: clamp(26px,4vw,40px); box-shadow: var(--shadow-sm); }

/* ---------- Realisatie ---------- */
.case {
  display:grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px,4vw,52px); align-items:center;
  background:#fff; border:1px solid var(--line); border-radius: var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-md);
}
.case__media { position:relative; min-height: 100%; }
.case__media img { width:100%; height:100%; object-fit:cover; min-height: 320px; }
.case__body { padding: clamp(28px,4vw,44px); }
.case__meta { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin: 22px 0; }
.case__meta .k { font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.08em; font-weight:600; }
.case__meta .v { font-size:16px; color:var(--ink); font-weight:700; }
.case__stats { display:flex; gap:14px; }
.case-stat { flex:1; background: var(--navy); color:#fff; border-radius: var(--radius); padding: 20px; text-align:center; }
.case-stat.teal { background: var(--teal); }
.case-stat .num { font-size:26px; font-weight:800; }
.case-stat .lbl { font-size:12.5px; opacity:.82; margin-top:4px; }

/* ---------- Values / cert ---------- */
.value-card { text-align:left; }
.quote-band { background: var(--navy); border-radius: var(--radius-lg); padding: clamp(36px,5vw,64px); text-align:center; }
.quote-band blockquote { font-size: clamp(22px,3vw,32px); font-weight:800; color:#fff; letter-spacing:-0.02em; line-height:1.3; max-width: 880px; margin: 0 auto 18px; }
.quote-band blockquote .accent { color: var(--teal); }
.quote-band p { color: rgba(255,255,255,.72); max-width: 620px; margin-inline:auto; }

.story-card { background: var(--navy); color:#fff; border-radius: var(--radius-lg); padding: clamp(28px,4vw,40px); }
.story-card .avatar { width:56px;height:56px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800; }
.story-card .who { display:flex; align-items:center; gap:14px; margin-top: 4px; }
.story-card .who .name { font-weight:700; color:#fff; }
.story-card .who .role { font-size:13.5px; color:rgba(255,255,255,.6); }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: rgba(255,255,255,.7); padding: clamp(56px,7vw,80px) 0 32px; }
.footer__grid { display:grid; grid-template-columns: 1.5fr 1fr 1fr; gap: clamp(28px,5vw,60px); }
.footer__brand img { height: 40px; margin-bottom: 18px; }
.footer p { color: rgba(255,255,255,.62); font-size: 15px; }
.footer h4 { color:#fff; font-size: 15px; letter-spacing:.04em; margin-bottom: 18px; }
.footer__links { list-style:none; padding:0; display:grid; gap: 12px; }
.footer__links a { color: rgba(255,255,255,.66); font-size: 15px; transition:.2s; }
.footer__links a:hover { color: var(--teal); }
.footer__contact { display:grid; gap:12px; font-size:15px; }
.footer__contact a:hover { color: var(--teal); }
.footer__bottom { display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; margin-top: 48px; padding-top: 24px; border-top:1px solid rgba(255,255,255,.1); font-size: 13.5px; color: rgba(255,255,255,.5); }
.footer__bottom a:hover { color: var(--teal); }
.flag-line { display:flex; align-items:center; gap:8px; font-size:14.5px; color:rgba(255,255,255,.72); margin-top:6px; }

/* ---------- Sticky mobile CTA (CRO) ---------- */
.sticky-cta {
  position: fixed; left:0; right:0; bottom:0; z-index: 55; display:none;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-top:1px solid var(--line);
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); gap:10px;
  box-shadow: 0 -8px 24px -14px rgba(9,28,60,.3);
}
.sticky-cta a { flex:1; }
.sticky-cta .btn { width:100%; padding: 14px; }

/* ---------- Cookie banner ---------- */
.cookie-banner { position: fixed; left:0; right:0; bottom:0; z-index:80; padding:16px; display:flex; justify-content:center; }
.cookie-banner__inner { max-width: var(--container); width:100%; background: var(--navy); color:#fff; border-radius:16px;
  box-shadow: var(--shadow-lg); padding:18px 22px; display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.cookie-banner__inner p { color: rgba(255,255,255,.82); font-size:14.5px; flex:1; min-width:240px; margin:0; }
.cookie-banner__inner a { color: var(--teal); text-decoration:underline; }
.cookie-banner__actions { display:flex; gap:10px; flex:none; }
.cookie-banner .btn { padding:11px 22px; font-size:14.5px; }
.cookie-banner .btn--ghost { color:#fff; border-color: rgba(255,255,255,.32); background:transparent; }
.cookie-banner .btn--ghost:hover { border-color:#fff; background: rgba(255,255,255,.08); box-shadow:none; }
@media (max-width:680px){
  .cookie-banner { padding:10px; }
  .cookie-banner__inner { padding:16px; }
  .cookie-banner__actions { width:100%; }
  .cookie-banner__actions .btn { flex:1; }
}

/* ---------- Consent checkbox ---------- */
.consent { display:flex; gap:10px; align-items:flex-start; font-size:13.5px; color: var(--muted);
  margin-top:14px; cursor:pointer; line-height:1.5; text-align:left; }
.consent input { margin-top:1px; width:18px; height:18px; flex:none; accent-color: var(--teal); cursor:pointer; }
.consent.error { color:#b91c1c; }
.consent.error input { outline:2px solid #e11d48; outline-offset:2px; border-radius:4px; }

/* ---------- Chatbot (Vanessa) ---------- */
.chat-launcher { position:fixed; right:22px; bottom:22px; z-index:75; width:62px; height:62px; border-radius:50%;
  background: var(--teal); color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-teal); border:none; cursor:pointer; transition: transform .22s var(--ease), box-shadow .22s var(--ease); }
.chat-launcher:hover { transform: translateY(-3px) scale(1.05); }
.chat-launcher svg { width:28px; height:28px; }
.chat-launcher__pulse { position:absolute; inset:0; border-radius:50%; box-shadow:0 0 0 0 rgba(20,184,166,.5); animation: chatpulse 2.4s infinite; }
@keyframes chatpulse { 0%{box-shadow:0 0 0 0 rgba(20,184,166,.45);} 70%{box-shadow:0 0 0 16px rgba(20,184,166,0);} 100%{box-shadow:0 0 0 0 rgba(20,184,166,0);} }
body.chat-open .chat-launcher { transform: scale(0); opacity:0; pointer-events:none; }

.chat-window { position:fixed; right:22px; bottom:22px; z-index:76; width:min(388px, calc(100vw - 32px));
  height:min(586px, calc(100vh - 120px)); background:#fff; border-radius:20px; overflow:hidden;
  box-shadow: var(--shadow-lg); display:flex; flex-direction:column;
  opacity:0; transform: translateY(18px) scale(.97); pointer-events:none; transition: .26s var(--ease); }
body.chat-open .chat-window { opacity:1; transform:none; pointer-events:auto; }

.chat-header { background: var(--navy); color:#fff; padding:16px 18px; display:flex; align-items:center; gap:12px; flex:none; }
.chat-avatar { width:42px; height:42px; border-radius:50%; background: var(--teal); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:18px; flex:none; position:relative; }
.chat-avatar::after { content:""; position:absolute; right:-1px; bottom:-1px; width:12px; height:12px; border-radius:50%; background:#34d399; border:2px solid var(--navy); }
.chat-head-txt { line-height:1.15; }
.chat-title { font-weight:700; font-size:16px; color:#fff; }
.chat-sub { font-size:12.5px; color: rgba(255,255,255,.62); margin-top:2px; }
.chat-close { margin-left:auto; background:transparent; border:none; color: rgba(255,255,255,.8); width:34px; height:34px; border-radius:9px; font-size:22px; line-height:1; display:flex; align-items:center; justify-content:center; cursor:pointer; }
.chat-close:hover { background: rgba(255,255,255,.12); color:#fff; }

.chat-body { flex:1; overflow-y:auto; padding:18px; background: var(--bg-soft); display:flex; flex-direction:column; gap:12px; }
.chat-msg { max-width:86%; padding:11px 14px; border-radius:15px; font-size:14.5px; line-height:1.5; }
.chat-msg a { color: var(--teal-700); text-decoration:underline; font-weight:600; }
.chat-msg--bot { background:#fff; border:1px solid var(--line); color: var(--ink); align-self:flex-start; border-bottom-left-radius:5px; }
.chat-msg--user { background: var(--teal); color:#fff; align-self:flex-end; border-bottom-right-radius:5px; }
.chat-msg--user a { color:#fff; }
.chat-typing { align-self:flex-start; background:#fff; border:1px solid var(--line); padding:13px 16px; border-radius:15px; border-bottom-left-radius:5px; display:flex; gap:5px; }
.chat-typing span { width:7px; height:7px; border-radius:50%; background: var(--muted); animation: chatdot 1s infinite; }
.chat-typing span:nth-child(2){ animation-delay:.15s; } .chat-typing span:nth-child(3){ animation-delay:.3s; }
@keyframes chatdot { 0%,60%,100%{ opacity:.3; transform:translateY(0);} 30%{ opacity:1; transform:translateY(-3px);} }

.chat-quick { display:flex; flex-wrap:wrap; gap:8px; padding:12px 16px 4px; background: var(--bg-soft); flex:none; }
.chat-chip { border:1px solid var(--teal-100); background: var(--teal-050); color: var(--teal-700); border-radius:999px; padding:8px 13px; font-size:13px; font-weight:600; cursor:pointer; transition:.2s var(--ease); }
.chat-chip:hover { background: var(--teal); color:#fff; border-color: var(--teal); }

.chat-input { display:flex; gap:8px; padding:12px; border-top:1px solid var(--line); background:#fff; flex:none; }
.chat-input input { flex:1; border:1.5px solid var(--line); border-radius:12px; padding:11px 14px; font-size:14.5px; font-family:inherit; }
.chat-input input:focus { outline:none; border-color: var(--teal); box-shadow:0 0 0 3px var(--teal-050); }
.chat-send { flex:none; width:44px; height:44px; border-radius:12px; border:none; background: var(--teal); color:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer; transition:.2s var(--ease); }
.chat-send:hover { background: var(--teal-600); }
.chat-send svg { width:20px; height:20px; }
.chat-disclaimer { font-size:11px; color: var(--muted); text-align:center; padding:2px 12px 10px; background:#fff; flex:none; }

@media (max-width:680px){
  .chat-launcher { bottom:80px; }
  body.chat-open .sticky-cta { display:none !important; }
}
@media (max-width:480px){
  .chat-window { right:10px; left:10px; width:auto; bottom:14px; height:calc(100vh - 90px); height:calc(100dvh - 90px); }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity:1; transform:none; }
.reveal.d1 { transition-delay:.08s; } .reveal.d2 { transition-delay:.16s; }
.reveal.d3 { transition-delay:.24s; } .reveal.d4 { transition-delay:.32s; }
@media (prefers-reduced-motion: reduce){ .reveal{opacity:1;transform:none;transition:none;} html{scroll-behavior:auto;} }

/* section header helper */
.sec-head { max-width: 640px; margin: 0 auto clamp(38px,5vw,58px); text-align:center; }
.sec-head .eyebrow { margin-bottom: 16px; }
.sec-head p { margin-top: 16px; }
.mt-sm{margin-top:12px}.mt-md{margin-top:24px}.mt-lg{margin-top:40px}

/* ---------- Responsive ---------- */
@media (max-width: 1024px){
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px){
  .nav__links { display:none; }
  .nav__cta .btn { display:none; }
  .nav__toggle { display:flex; }
  .split, .split--reverse .split__media, .product, .product--reverse .product__media, .contact-grid, .case { grid-template-columns: 1fr; }
  .split--reverse .split__media, .product--reverse .product__media { order: 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .trustbar .container { grid-template-columns: 1fr 1fr; gap:16px; }
  .checklist--two { grid-template-columns:1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .case__media img { min-height: 240px; }
}
@media (max-width: 680px){
  body { font-size: 16px; }
  .grid-2 { grid-template-columns: 1fr; }
  .product__specs { grid-template-columns: 1fr; }
  .result-grid, .compare-row, .case__meta, .case__stats { grid-template-columns: 1fr; }
  .case__stats { flex-direction:column; }
  .opt-grid.cols-7 { grid-template-columns: repeat(4,1fr); }
  .opt-grid.cols-4 { grid-template-columns: repeat(2,1fr); }
  .hero__stats { gap: 20px; }
  .topbar__left .hide-sm { display:none; }
  .sticky-cta { display:flex; }
  .footer__grid { grid-template-columns: 1fr; }
  .price-card.featured { transform:none; } .price-card.featured:hover{transform:translateY(-6px);}
  .form .row { grid-template-columns:1fr; }
}