/* ============================================================
   StroomKlasse — Redactioneel magazine
   Lichte, papierachtige look · serif display · terracotta accent
   ============================================================ */

:root{
  --paper:#faf8f3;
  --paper-2:#f3efe6;
  --ink:#1a1a1a;
  --ink-soft:#4a4640;
  --ink-faint:#7c766c;
  --accent:#c0563b;
  --accent-dark:#9c4329;
  --line:#d9d2c5;
  --line-soft:#e7e1d6;
  --serif:"Fraunces","Playfair Display",Georgia,serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --maxw:1180px;
  --pad:clamp(1.25rem,5vw,4rem);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block}

a{color:inherit;text-decoration:none}

h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.08;letter-spacing:-.01em;margin:0}

p{margin:0 0 1rem}

::selection{background:var(--accent);color:var(--paper)}

/* ---- Shared label / eyebrow ---- */
.eyebrow{
  font-family:var(--sans);
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:.72rem;
  font-weight:600;
  color:var(--accent);
  margin:0 0 1.2rem;
}
.eyebrow-light{color:#e9bcae}

/* ---- Buttons ---- */
.btn{
  display:inline-block;
  font-family:var(--sans);
  font-weight:500;
  font-size:.95rem;
  letter-spacing:.01em;
  padding:.85em 1.6em;
  border:1px solid var(--ink);
  border-radius:2px;
  transition:all .2s ease;
  cursor:pointer;
}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--paper)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-light:hover{background:transparent;color:var(--paper);border-color:var(--paper)}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(250,248,243,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:.95rem var(--pad);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.logo{display:flex;align-items:center;gap:.5rem}
.logo-mark{color:var(--accent);font-size:1.1rem}
.logo-text{
  font-family:var(--serif);
  font-weight:600;
  font-size:1.35rem;
  letter-spacing:-.02em;
}
.logo-text em{font-style:italic;color:var(--accent)}

.primary-nav ul{
  display:flex;
  gap:1.9rem;
  list-style:none;
  margin:0;padding:0;
}
.primary-nav a{
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-weight:500;
  color:var(--ink-soft);
  position:relative;
  padding:.2rem 0;
}
.primary-nav a::after{
  content:"";
  position:absolute;left:0;bottom:-2px;
  width:0;height:1px;background:var(--accent);
  transition:width .25s ease;
}
.primary-nav a:hover{color:var(--ink)}
.primary-nav a:hover::after{width:100%}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:34px;height:34px;
  background:none;border:none;
  cursor:pointer;padding:4px;
}
.nav-toggle span{
  display:block;height:2px;width:100%;
  background:var(--ink);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(2.5rem,7vw,5.5rem) var(--pad) clamp(2rem,5vw,4rem);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:clamp(2rem,5vw,4rem);
  align-items:start;
}
.hero-copy{
  text-align:left;
}
.hero-copy .eyebrow,
.hero-copy h1,
.hero-copy .lead{
  margin-left:0;
  margin-right:0;
}
.hero-actions{
  justify-content:flex-start;
}
.hero-copy h1{
  font-size:clamp(2.6rem,6vw,4.6rem);
  margin:0 0 1.4rem;
}
.lead{
  font-size:1.2rem;
  color:var(--ink-soft);
  max-width:34ch;
  margin-bottom:2rem;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem}
.hero-figure{margin:0}
.hero-figure img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border-radius:2px;
  filter:saturate(.92);
}
.hero-figure{position:relative}
.hero-figure figcaption{
  font-size:.8rem;
  font-style:italic;
  color:var(--ink-faint);
  margin-top:.7rem;
  padding-left:.1rem;
}
.figcaption-model{
  font-style:normal;
  font-variant:small-caps;
  letter-spacing:.06em;
  font-weight:600;
  color:var(--accent);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(3rem,7vw,5.5rem) var(--pad);
  border-bottom:1px solid var(--line);
}
.section-alt{
  max-width:none;
  background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
.section-alt > *{max-width:var(--maxw);margin-left:auto;margin-right:auto}

.section-head{margin-bottom:2.8rem;max-width:64ch}
.section-num{
  display:inline-block;
  font-family:var(--serif);
  font-style:italic;
  font-size:1rem;
  color:var(--accent);
  border-bottom:1px solid var(--accent);
  padding-bottom:.15rem;
  margin-bottom:1.1rem;
}
.section-head h2{
  font-size:clamp(1.9rem,4.2vw,3rem);
  margin-bottom:1rem;
}
.section-intro{
  font-size:1.12rem;
  color:var(--ink-soft);
  margin:0;
}

/* ---- Intro blocks ---- */
.intro-blocks{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.intro-block{
  padding:2.2rem 1.8rem 2.2rem 0;
  border-right:1px solid var(--line);
}
.intro-block:last-child{border-right:none;padding-right:0}
.intro-block:not(:first-child){padding-left:1.8rem}
.block-label{
  display:block;
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:.7rem;
  font-weight:600;
  color:var(--accent);
  margin-bottom:1rem;
}
.intro-block h3{font-size:1.45rem;margin-bottom:.7rem}
.intro-block p{color:var(--ink-soft);margin:0;font-size:.98rem}

/* ============================================================
   MODEL GRID
   ============================================================ */
.model-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.6rem;
}
.model-card{
  display:flex;
  flex-direction:column;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:2px;
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.model-card:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 40px -22px rgba(26,26,26,.35);
}
.model-figure{margin:0;overflow:hidden;background:var(--paper-2);position:relative}
.model-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  transition:transform .5s ease;
}
.model-card:hover .model-figure img{transform:scale(1.05)}
.model-caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:1.4rem .9rem .65rem;
  font-family:var(--serif);
  font-style:italic;
  font-size:.95rem;
  font-weight:500;
  color:var(--paper);
  background:linear-gradient(to top,rgba(20,18,16,.78) 0%,rgba(20,18,16,.45) 55%,transparent 100%);
  letter-spacing:.01em;
  pointer-events:none;
}
.model-body{padding:1.4rem 1.4rem 1.6rem;display:flex;flex-direction:column;flex:1}
.model-type{
  text-transform:uppercase;
  letter-spacing:.15em;
  font-size:.66rem;
  font-weight:600;
  color:var(--accent);
  margin-bottom:.55rem;
}
.model-body h3{font-size:1.28rem;margin-bottom:.7rem;line-height:1.15}
.model-body > p{font-size:.92rem;color:var(--ink-soft);margin-bottom:1.1rem}

.specs{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:.4rem;
  margin:0 0 .9rem;
  padding-top:1rem;
  border-top:1px solid var(--line-soft);
  margin-top:auto;
}
.specs div{display:flex;flex-direction:column}
.specs dt{
  font-size:.6rem;
  text-transform:uppercase;
  letter-spacing:.1em;
  color:var(--ink-faint);
  margin-bottom:.25rem;
}
.specs dd{
  margin:0;
  font-family:var(--serif);
  font-weight:600;
  font-size:1.02rem;
  color:var(--ink);
}
.model-note{
  font-size:.74rem;
  color:var(--ink-faint);
  margin:0;
  font-style:italic;
}

/* ============================================================
   SPLIT (waarom)
   ============================================================ */
.split{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:clamp(2rem,5vw,4rem);
  align-items:start;
}
.split-figure{margin:0;position:sticky;top:90px}
.split-figure img{
  width:100%;
  aspect-ratio:3/4;
  object-fit:cover;
  border-radius:2px;
  filter:saturate(.92);
}
.split-caption{
  font-size:.8rem;
  font-style:italic;
  color:var(--ink-faint);
  margin-top:.7rem;
  padding-left:.1rem;
}
.split-copy .section-intro{margin-bottom:2rem}
.benefit-list{list-style:none;margin:0;padding:0}
.benefit-list li{
  display:flex;
  gap:1.3rem;
  padding:1.5rem 0;
  border-top:1px solid var(--line);
}
.benefit-list li:last-child{border-bottom:1px solid var(--line)}
.benefit-no{
  font-family:var(--serif);
  font-style:italic;
  font-size:1.15rem;
  color:var(--accent);
  flex-shrink:0;
}
.benefit-list h3{font-size:1.25rem;margin-bottom:.4rem}
.benefit-list p{margin:0;color:var(--ink-soft);font-size:.95rem}

/* ============================================================
   STEPS
   ============================================================ */
.steps{
  list-style:none;
  margin:0;padding:0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.step{
  padding:2rem 1.5rem 2rem 0;
  border-right:1px solid var(--line);
}
.step:last-child{border-right:none;padding-right:0}
.step:not(:first-child){padding-left:1.5rem}
.step-num{
  display:flex;
  align-items:center;justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--accent);
  border-radius:50%;
  font-family:var(--serif);
  font-size:1.25rem;
  color:var(--accent);
  margin-bottom:1.2rem;
}
.step h3{font-size:1.25rem;margin-bottom:.6rem}
.step p{margin:0;color:var(--ink-soft);font-size:.93rem}

/* ============================================================
   TABLE
   ============================================================ */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:2px;
}
.table-wrap:focus{outline:2px solid var(--accent);outline-offset:2px}
.compare{
  width:100%;
  border-collapse:collapse;
  min-width:720px;
  font-size:.93rem;
}
.compare th,.compare td{
  text-align:left;
  padding:1rem 1.2rem;
  border-bottom:1px solid var(--line-soft);
  white-space:nowrap;
}
.compare thead th{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--sans);
  font-weight:500;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-size:.7rem;
}
.compare tbody th{
  font-family:var(--serif);
  font-weight:600;
  font-size:1rem;
  color:var(--ink);
}
.compare tbody tr:hover{background:var(--paper-2)}
.compare tbody tr:last-child th,
.compare tbody tr:last-child td{border-bottom:none}
.compare td:last-child{font-weight:600;color:var(--accent)}
.table-foot{
  font-size:.78rem;
  color:var(--ink-faint);
  margin-top:1rem;
  font-style:italic;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;
  list-style:none;
  padding:1.5rem 2.5rem 1.5rem 0;
  position:relative;
  font-family:var(--serif);
  font-weight:600;
  font-size:1.25rem;
  color:var(--ink);
  transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent)}
.faq summary::after{
  content:"+";
  position:absolute;
  right:.2rem;top:50%;
  transform:translateY(-50%);
  font-size:1.6rem;
  color:var(--accent);
  font-family:var(--sans);
  font-weight:300;
  transition:transform .25s ease;
}
.faq details[open] summary::after{content:"–"}
.faq-body{padding:0 2.5rem 1.7rem 0}
.faq-body p{margin:0;color:var(--ink-soft)}

/* ============================================================
   CTA
   ============================================================ */
.cta{background:var(--ink);color:var(--paper)}
.cta-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(3.5rem,8vw,6rem) var(--pad);
  text-align:center;
}
.cta-inner h2{
  font-size:clamp(2rem,5vw,3.4rem);
  margin-bottom:1.2rem;
  max-width:18ch;
  margin-left:auto;margin-right:auto;
}
.cta-lead{
  color:#cfc9bd;
  font-size:1.1rem;
  max-width:48ch;
  margin:0 auto 2rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--paper-2);border-top:1px solid var(--line)}
.footer-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(2.5rem,5vw,4rem) var(--pad) 2rem;
  display:grid;
  grid-template-columns:1.4fr 1fr 1.4fr;
  gap:2.5rem;
}
.footer-brand .logo-text{font-size:1.5rem;display:block;margin-bottom:.9rem}
.footer-brand p{color:var(--ink-soft);font-size:.92rem;max-width:36ch}
.footer-nav h3,.footer-note h3{
  font-family:var(--sans);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.72rem;
  font-weight:600;
  color:var(--ink-faint);
  margin-bottom:1.1rem;
}
.footer-nav ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer-nav a{font-size:.92rem;color:var(--ink-soft)}
.footer-nav a:hover{color:var(--accent)}
.footer-note p{color:var(--ink-soft);font-size:.86rem;margin:0}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:1.3rem var(--pad);
}
.footer-bottom p{
  max-width:var(--maxw);
  margin:0 auto;
  font-size:.8rem;
  color:var(--ink-faint);
}

/* ============================================================
   IMAGE FALLBACK
   ============================================================ */
.img-failed{
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 55%,#5e2616 100%);
  position:relative;
}
.img-failed::after{
  content:"⚡";
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  font-size:2.4rem;
  color:rgba(250,248,243,.5);
}
.model-figure.img-failed,.hero-figure.img-failed,.split-figure.img-failed{
  aspect-ratio:initial;
}
.model-figure.img-failed{min-height:200px}
.hero-figure.img-failed{min-height:420px}
.split-figure.img-failed{min-height:420px}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .hero-figure{order:-1}
  .hero-figure img{aspect-ratio:16/10}
  .lead{max-width:none}
  .intro-blocks{grid-template-columns:1fr}
  .intro-block{border-right:none;border-bottom:1px solid var(--line);padding:1.8rem 0}
  .intro-block:last-child{border-bottom:none}
  .intro-block:not(:first-child){padding-left:0}
  .model-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .split-figure{position:static}
  .split-figure img{aspect-ratio:16/10}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{border-right:none;border-bottom:1px solid var(--line);padding:1.8rem 0}
  .step:nth-child(odd){padding-right:1.5rem;border-right:1px solid var(--line)}
  .step:not(:first-child){padding-left:0}
  .step:nth-child(even){padding-left:1.5rem}
  .footer-inner{grid-template-columns:1fr 1fr}
}

@media (max-width:680px){
  body{font-size:16px}
  .nav-toggle{display:flex}
  .primary-nav{
    position:absolute;
    top:100%;left:0;right:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease;
  }
  .primary-nav.open{max-height:420px}
  .primary-nav ul{
    flex-direction:column;
    gap:0;
    padding:.5rem var(--pad) 1.2rem;
  }
  .primary-nav li{border-bottom:1px solid var(--line-soft)}
  .primary-nav a{display:block;padding:.95rem 0}
  .primary-nav a::after{display:none}
  .model-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step,.step:nth-child(odd),.step:nth-child(even){
    border-right:none;padding:1.6rem 0;
  }
  .footer-inner{grid-template-columns:1fr}
  .hero-actions .btn{flex:1;text-align:center}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}