/* koptelefoon.net — main.css
   Palette: petrol/graphite with a signal-amber accent (level-meter language).
   No web fonts, no @import, no external requests. */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

:root{
  --ink:#101E1D;
  --ink-2:#42544F;
  --petrol:#0E3B3F;
  --petrol-d:#092A2D;
  --amber:#D98A0B;
  --amber-w:#FCF3E2;
  --clip:#B23A26;
  --paper:#fff;
  --wash:#F3F6F4;
  --wash-2:#E8EDEA;
  --line:#D5DEDA;
  --ok:#1D6B4F;
  --r:6px;
  --w:70rem;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

body{margin:0;background:var(--paper);color:var(--ink);
  font:400 1rem/1.65 var(--sans);
  font-variant-numeric:tabular-nums;
  text-rendering:optimizeLegibility}

img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--petrol);text-underline-offset:.15em;text-decoration-thickness:1px}
a:hover{color:var(--amber)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}

h1,h2,h3,h4{line-height:1.18;letter-spacing:-.018em;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(1.85rem,1.15rem + 2.6vw,2.9rem);letter-spacing:-.028em}
h2{font-size:clamp(1.4rem,1.1rem + 1.2vw,1.85rem);margin-top:2.4rem}
h3{font-size:1.15rem;margin-top:1.8rem}
p,ul,ol,table{margin:0 0 1.1rem}
li{margin-bottom:.35rem}
small{font-size:.83rem}

.wrap{width:100%;max-width:var(--w);margin-inline:auto;padding-inline:1.15rem}
.lede{font-size:1.1rem;color:var(--ink-2)}
.eyebrow{font:700 .72rem/1.3 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin:0 0 .5rem}
.skip{position:absolute;left:-9999px}
.skip:focus{left:.5rem;top:.5rem;z-index:99;background:var(--petrol);color:#fff;padding:.6rem 1rem;border-radius:var(--r)}

/* ---------- header ---------- */
/* No hamburger: the menu is always visible, so it works without JavaScript. */
.site-head{border-bottom:1px solid var(--line);background:var(--paper)}
.head-in{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem 1.2rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.06rem;letter-spacing:-.03em;color:var(--ink);text-decoration:none}
.brand span i{color:var(--amber);font-style:normal}
.nav{width:100%}
.nav ul{display:flex;flex-wrap:wrap;gap:.3rem .95rem;list-style:none;margin:0;padding:0}
.nav li{margin:0}
.nav a{display:inline-block;font-size:.85rem;font-weight:600;text-decoration:none;color:var(--ink-2);padding:.12rem 0}
.nav a:hover{color:var(--petrol)}
.nav a[aria-current="page"]{color:var(--petrol);box-shadow:inset 0 -2px 0 var(--amber)}
@media (min-width:64rem){
  .head-in{flex-wrap:nowrap;min-height:62px;padding:0}
  .nav{width:auto;margin-left:auto}
  .nav ul{gap:1.25rem}
  .nav a{font-size:.9rem}
}

/* ---------- breadcrumb ---------- */
.crumbs{background:var(--wash);border-bottom:1px solid var(--line);font-size:.82rem}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;margin:0;padding:.55rem 0}
.crumbs li+li::before{content:"›";margin-right:.4rem;color:var(--ink-2)}
.crumbs a{color:var(--ink-2)}

/* ---------- layout ---------- */
main{display:block;padding-bottom:3rem}
.page-head{padding:2.2rem 0 1.2rem;border-bottom:1px solid var(--line);margin-bottom:1.8rem}
.cols{display:grid;gap:2.5rem}
@media (min-width:62rem){.cols{grid-template-columns:minmax(0,1fr) 19rem}}
.side{align-self:start}
@media (min-width:62rem){.side{position:sticky;top:1.2rem}}
.side h2,.side h3{font-size:.95rem;margin-top:0}

/* ---------- affiliate disclosure ---------- */
.disclose{background:var(--wash);border-left:3px solid var(--amber);padding:.7rem .9rem;font-size:.83rem;color:var(--ink-2);border-radius:0 var(--r) var(--r) 0;margin:0 0 1.5rem}
.disclose a{color:var(--ink-2)}

/* ---------- signature: level meter ---------- */
.meter{display:flex;align-items:center;gap:.5rem;font:700 .8rem var(--mono);color:var(--ink-2)}
.meter .segs{display:flex;gap:2px}
.meter i{width:7px;height:16px;background:var(--wash-2);border-radius:1px;display:block}
.meter i.on{background:var(--amber)}
.meter i.top{background:var(--clip)}
.meter b{color:var(--ink);font-size:.95rem}

/* ---------- pick cards ---------- */
.picks{display:grid;gap:1.1rem;margin:1.5rem 0 2rem}
.pick{border:1px solid var(--line);border-radius:var(--r);padding:1.1rem;background:var(--paper)}
.pick.best{border-color:var(--petrol);box-shadow:0 0 0 1px var(--petrol)}
.pick-top{display:flex;flex-wrap:wrap;gap:.6rem;align-items:baseline;justify-content:space-between}
.pick h3{margin:0;font-size:1.12rem}
.badge{display:inline-block;font:700 .68rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;padding:.4rem .5rem;border-radius:3px;background:var(--wash-2);color:var(--petrol-d)}
.badge.win{background:var(--petrol);color:#fff}
.badge.buy{background:var(--amber-w);color:#7A4C05}
.pick p{margin:.6rem 0 .8rem}
.pc{display:grid;gap:.2rem 1.2rem;margin:0 0 .9rem;padding:0;list-style:none;font-size:.92rem}
@media (min-width:40rem){.pc{grid-template-columns:1fr 1fr}}
.pc li{padding-left:1.3rem;position:relative;margin:0}
.pc li::before{position:absolute;left:0;font-weight:700}
.pc .p::before{content:"+";color:var(--ok)}
.pc .c::before{content:"−";color:var(--clip)}

/* ---------- buttons ---------- */
.btn{display:inline-block;background:var(--petrol);color:#fff;font:700 .92rem var(--sans);
  padding:.65rem 1.05rem;border-radius:var(--r);text-decoration:none;border:1px solid var(--petrol)}
.btn:hover{background:var(--petrol-d);color:#fff}
.btn.alt{background:transparent;color:var(--petrol)}
.btn.alt:hover{background:var(--wash);color:var(--petrol-d)}
.btn-note{font-size:.78rem;color:var(--ink-2);margin:.45rem 0 0}

/* ---------- tables ---------- */
.tw{overflow-x:auto;margin:0 0 1.4rem;border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;font-size:.9rem;margin:0;min-width:32rem}
caption{text-align:left;font-size:.82rem;color:var(--ink-2);padding:.6rem .8rem;border-bottom:1px solid var(--line)}
th,td{padding:.6rem .8rem;text-align:left;border-bottom:1px solid var(--wash-2);vertical-align:top}
thead th{background:var(--wash);font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-2);white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody th{font-weight:700}

/* ---------- quick chooser ---------- */
.chooser{display:grid;gap:.7rem;margin:0 0 2rem}
@media (min-width:44rem){.chooser{grid-template-columns:repeat(3,1fr)}}
.chooser a{display:block;padding:.85rem .95rem;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;background:var(--wash)}
.chooser a:hover{border-color:var(--petrol);background:var(--paper)}
.chooser strong{display:block;color:var(--ink);font-size:.97rem}
.chooser span{color:var(--ink-2);font-size:.84rem}

/* ---------- callout / toc / faq ---------- */
.note{border:1px solid var(--line);border-left:3px solid var(--petrol);background:var(--wash);padding:.9rem 1rem;border-radius:0 var(--r) var(--r) 0;margin:0 0 1.4rem}
.note p:last-child{margin:0}
.toc{border:1px solid var(--line);border-radius:var(--r);padding:1rem;background:var(--wash);margin:0 0 1.8rem}
.toc ol{margin:0;padding-left:1.2rem;font-size:.93rem}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:.85rem 0;font-weight:700;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--amber);font-weight:700}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{color:var(--petrol)}
.faq p{margin:0 0 1rem}

/* ---------- link grids (hub / sitemap) ---------- */
.lgrid{list-style:none;padding:0;margin:0 0 1.6rem;display:grid;gap:.15rem .9rem}
@media (min-width:38rem){.lgrid{grid-template-columns:1fr 1fr}}
@media (min-width:62rem){.lgrid.wide{grid-template-columns:repeat(3,1fr)}}
.lgrid li{margin:0;padding:.4rem 0;border-bottom:1px solid var(--wash-2);font-size:.93rem}
.lgrid a{text-decoration:none;font-weight:600}
.lgrid a:hover{text-decoration:underline}
.lgrid em{display:block;font-style:normal;color:var(--ink-2);font-size:.82rem;font-weight:400}

/* ---------- hero ---------- */
.hero{background:var(--petrol);color:#fff;padding:2.6rem 0 2.2rem}
.hero h1{color:#fff;max-width:22ch}
.hero p{color:#CFDDDA;max-width:60ch;font-size:1.08rem}
.hero .eyebrow{color:#F0B95A}
.hero-meta{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;margin:1.4rem 0 0;padding:0;list-style:none;font-size:.86rem;color:#B9CCC9}
.hero-meta li{margin:0;padding-left:1.1rem;position:relative}
.hero-meta li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;background:var(--amber);border-radius:50%}

/* ---------- footer ---------- */
.site-foot{background:var(--ink);color:#B7C4C1;padding:2.4rem 0 2rem;font-size:.88rem}
.site-foot h2{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 .7rem}
.foot-grid{display:grid;gap:1.6rem}
@media (min-width:44rem){.foot-grid{grid-template-columns:repeat(4,1fr)}}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin:0 0 .35rem}
.site-foot a{color:#B7C4C1;text-decoration:none}
.site-foot a:hover{color:var(--amber)}
.foot-legal{border-top:1px solid #2A3A37;margin-top:1.8rem;padding-top:1.2rem;font-size:.8rem;color:#8B9A97}
.foot-legal p{margin:0 0 .4rem}