/* Stroompartners — energiemarkt informatie
   Aesthetic: Dutch editorial grid. Paper, ink, copper. Hairlines, tabular data. */

:root {
  --paper:      #F2EEE7;
  --paper-2:    #E8E2D8;
  --ink:        #14161A;
  --ink-2:      #3A3F47;
  --ink-3:      #6E747E;
  --line:       #14161A1F;
  --line-solid: #D3CCC0;
  --copper:     #B0431F;
  --copper-lt:  #D9662F;
  --volt:       #C8E023;
  --green:      #1E6B4A;
  --red:        #A32A1E;

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans:  "Archivo", "Helvetica Neue", Helvetica, sans-serif;

  --gut: clamp(20px, 4vw, 64px);
  --rule: 1px solid var(--line);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

/* Paper grain + faint grid, so the background is never flat */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, #14161A08 1px, transparent 1px),
    linear-gradient(to bottom, #14161A08 1px, transparent 1px);
  background-size: 88px 88px;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .32;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
}

main, header, footer { position: relative; z-index: 1; }

a { color: inherit; }

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding-inline: var(--gut);
}

/* ---------- type ---------- */

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -.02em; margin: 0; }
h1 { font-size: clamp(42px, 6.4vw, 88px); line-height: .98; font-variation-settings: "SOFT" 0, "WONK" 1; }
h2 { font-size: clamp(28px, 3.6vw, 46px); line-height: 1.06; }
h3 { font-size: clamp(19px, 1.5vw, 23px); line-height: 1.2; }
p  { margin: 0 0 1em; }

.eyebrow {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--copper);
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--copper);
  flex: none;
}

.lead { font-size: clamp(17px, 1.35vw, 20px); color: var(--ink-2); max-width: 56ch; }
.small { font-size: 13px; color: var(--ink-3); line-height: 1.5; }

/* ---------- ticker ---------- */

.ticker {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 1px solid #000;
  overflow: hidden;
  font-size: 12px;
  letter-spacing: .04em;
}
.ticker__track {
  display: flex;
  width: max-content;
  animation: slide 42s linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__item {
  padding: 9px 0;
  margin-right: 40px;
  display: flex;
  gap: 9px;
  align-items: baseline;
  white-space: nowrap;
}
.ticker__item b { font-weight: 600; color: #fff; }
.ticker__item .up   { color: var(--volt); }
.ticker__item .down { color: #FF8A6B; }
.ticker__item span:first-child { color: #9A9FA8; text-transform: uppercase; font-size: 10.5px; letter-spacing: .14em; }
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- header ---------- */

.site-head {
  border-bottom: var(--rule);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  z-index: 40;
}
.site-head__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 16px;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand__mark { width: 26px; height: 26px; flex: none; }
.brand__name {
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: -.02em;
}
.brand__name em { font-style: normal; color: var(--copper); }

.nav { display: flex; gap: 28px; align-items: center; }
.nav a {
  text-decoration: none;
  font-size: 14px;
  color: var(--ink-2);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .18s, border-color .18s;
}
.nav a:hover { color: var(--ink); border-color: var(--copper); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--ink);
  border-radius: 2px;
  transition: background .18s, color .18s, transform .18s;
}
.btn:hover { background: var(--copper); border-color: var(--copper); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn svg { transition: transform .18s; }
.btn:hover svg { transform: translateX(3px); }

/* ---------- hero ---------- */

.hero { padding-block: clamp(56px, 9vw, 116px) clamp(40px, 6vw, 72px); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: end;
}
.hero h1 { margin: 22px 0 26px; }
.hero h1 .u {
  background-image: linear-gradient(var(--copper), var(--copper));
  background-size: 100% 3px;
  background-repeat: no-repeat;
  background-position: 0 92%;
}
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }

/* market panel */
.panel {
  border: 1px solid var(--line-solid);
  background: #FBF9F5;
  box-shadow: 6px 6px 0 #14161A0D;
}
.panel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-solid);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  display: inline-block;
  margin-right: 7px;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .25 } }

.rows { display: grid; }
.row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.row:last-child { border-bottom: 0; }
.row__label { color: var(--ink-2); }
.row__val { font-weight: 600; font-size: 16px; }
.row__chg { font-size: 12.5px; min-width: 62px; text-align: right; }
.up { color: var(--green); }
.down { color: var(--red); }

/* sparkline strip */
.spark { display: block; width: 100%; height: 58px; border-top: 1px solid var(--line); }

/* ---------- stats band ---------- */

.band {
  border-block: 1px solid var(--line-solid);
  background: var(--paper-2);
}
.band__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat { padding: 30px 26px 30px 0; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat__n {
  font-family: var(--serif);
  font-size: clamp(32px, 3.4vw, 46px);
  line-height: 1;
  letter-spacing: -.03em;
}
.stat__n sup { font-size: .45em; vertical-align: super; color: var(--copper); }
.stat__l { font-size: 13px; color: var(--ink-3); margin-top: 9px; max-width: 22ch; }

/* ---------- sections ---------- */

section { padding-block: clamp(56px, 8vw, 104px); }
.sec-head {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  margin-bottom: clamp(34px, 5vw, 58px);
}
.sec-head h2 { margin-top: 16px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-solid); border: 1px solid var(--line-solid); }
.card {
  background: var(--paper);
  padding: 32px 28px 34px;
  transition: background .25s;
  position: relative;
}
.card:hover { background: #FBF9F5; }
.card__num {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--copper);
  letter-spacing: .1em;
  margin-bottom: 22px;
  display: block;
}
.card h3 { margin-bottom: 12px; }
.card p { font-size: 15px; color: var(--ink-2); margin: 0; }
.card ul { margin: 14px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--ink-2); }
.card li { padding: 7px 0 7px 18px; border-top: 1px solid var(--line); position: relative; }
.card li::before {
  content: "";
  position: absolute; left: 0; top: 15px;
  width: 6px; height: 6px;
  background: var(--copper);
}

/* explainer list */
.explain { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-solid); border: 1px solid var(--line-solid); }
.explain > div { background: var(--paper); padding: 30px 28px; }
.explain h3 { margin-bottom: 10px; display: flex; align-items: baseline; gap: 12px; }
.explain h3 .k {
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
  border: 1px solid var(--line-solid);
  padding: 3px 7px;
  border-radius: 2px;
  flex: none;
}
.explain p { font-size: 15px; color: var(--ink-2); margin: 0; }

/* dark cost-breakdown block */
.dark {
  background: var(--ink);
  color: var(--paper);
}
.dark h2, .dark h3 { color: #fff; }
.dark .eyebrow { color: var(--volt); }
.dark .eyebrow::before { background: var(--volt); }
.dark .lead { color: #B7BCC4; }
.dark .small { color: #8B9099; }

.bars { display: grid; gap: 16px; margin-top: 8px; }
.bar__top { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 7px; }
.bar__top span:last-child { color: #fff; font-weight: 600; }
.bar__track { height: 8px; background: #FFFFFF14; overflow: hidden; }
.bar__fill {
  height: 100%;
  background: var(--copper-lt);
  transform-origin: left;
  animation: grow 1.1s cubic-bezier(.22,1,.36,1) both;
}
.bar:nth-child(1) .bar__fill { background: var(--volt); animation-delay: .05s; }
.bar:nth-child(2) .bar__fill { background: var(--copper-lt); animation-delay: .15s; }
.bar:nth-child(3) .bar__fill { background: #6FA8C9; animation-delay: .25s; }
.bar:nth-child(4) .bar__fill { background: #8B8F98; animation-delay: .35s; }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* articles */
.arts { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); }
.art { text-decoration: none; display: block; border-top: 2px solid var(--ink); padding-top: 18px; transition: border-color .2s; }
.art:hover { border-color: var(--copper); }
.art:hover h3 { color: var(--copper); }
.art__meta { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.art h3 { transition: color .2s; margin-bottom: 10px; }
.art p { font-size: 14.5px; color: var(--ink-2); margin: 0; }

/* over ons / bedrijfsgegevens */
.about { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.kvk {
  border: 1px solid var(--line-solid);
  background: #FBF9F5;
  box-shadow: 6px 6px 0 #14161A0D;
}
.kvk__head {
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-solid);
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3);
}
.kvk dl { margin: 0; }
.kvk .krow {
  display: grid;
  grid-template-columns: 42% 1fr;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.kvk .krow:last-child { border-bottom: 0; }
.kvk dt { color: var(--ink-3); margin: 0; }
.kvk dd { margin: 0; font-weight: 500; }

/* cta strip */
.strip {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: clamp(34px, 5vw, 58px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
}
.strip h2 { color: #fff; max-width: 20ch; }
.strip .btn { background: var(--volt); color: var(--ink); border-color: var(--volt); }
.strip .btn:hover { background: #fff; border-color: #fff; }

/* footer */
.site-foot { border-top: 1px solid var(--line-solid); padding-block: 54px 34px; }
.foot__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot h4 { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 16px; font-weight: 600; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: 9px; }
.foot a { font-size: 14px; color: var(--ink-2); text-decoration: none; }
.foot a:hover { color: var(--copper); }
.foot__bar {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--ink-3);
}

/* reveal on scroll */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.rv.in { opacity: 1; transform: none; }

/* ---------- legal / document pages ---------- */

.doc-hero { padding-block: clamp(48px, 7vw, 88px) clamp(28px, 4vw, 44px); border-bottom: 1px solid var(--line-solid); }
.doc-hero h1 { font-size: clamp(34px, 5vw, 62px); margin: 20px 0 18px; }
.doc-hero .meta { display: flex; gap: 26px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); }

.doc { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); padding-block: clamp(40px, 6vw, 72px); align-items: start; }

.toc { position: sticky; top: 92px; }
.toc h4 { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; font-weight: 600; }
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: t; }
.toc li { counter-increment: t; border-top: 1px solid var(--line); }
.toc a {
  display: block;
  padding: 9px 0 9px 26px;
  font-size: 13.5px;
  color: var(--ink-2);
  text-decoration: none;
  position: relative;
  transition: color .18s;
}
.toc a::before {
  content: counter(t, decimal-leading-zero);
  position: absolute; left: 0; top: 9px;
  font-size: 11px;
  color: var(--copper);
}
.toc a:hover { color: var(--copper); }

.prose { max-width: 72ch; }
.prose h2 {
  font-size: clamp(22px, 2.3vw, 30px);
  margin: 52px 0 14px;
  padding-top: 22px;
  border-top: 2px solid var(--ink);
  scroll-margin-top: 96px;
}
.prose > h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.prose h3 { font-size: 18px; margin: 28px 0 8px; font-family: var(--sans); font-weight: 600; letter-spacing: 0; }
.prose p, .prose li { color: var(--ink-2); font-size: 15.5px; }
.prose ul, .prose ol { padding-left: 20px; margin: 0 0 1em; }
.prose li { margin-bottom: 7px; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--copper); text-underline-offset: 3px; }

.note {
  border: 1px solid var(--line-solid);
  border-left: 3px solid var(--copper);
  background: #FBF9F5;
  padding: 20px 22px;
  margin: 26px 0;
}
.note p:last-child { margin-bottom: 0; }
.note p { font-size: 14.5px; }

.dtable { width: 100%; border-collapse: collapse; margin: 18px 0 26px; font-size: 14.5px; }
.dtable th, .dtable td { text-align: left; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.dtable th { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; border-bottom: 1px solid var(--line-solid); }
.dtable td { color: var(--ink-2); }
.dtable tr:last-child td { border-bottom: 0; }

.backlink { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); text-decoration: none; }
.backlink:hover { color: var(--copper); }

/* ---------- article pages ---------- */

.art-hero { padding-block: clamp(44px, 6vw, 78px) clamp(26px, 4vw, 40px); border-bottom: 1px solid var(--line-solid); }
.art-hero h1 { font-size: clamp(32px, 4.8vw, 60px); margin: 18px 0 20px; max-width: 20ch; }
.art-hero .lead { font-size: clamp(17px, 1.4vw, 20px); margin: 0; }
.art-hero .meta {
  display: flex; gap: 10px 26px; flex-wrap: wrap;
  margin-top: 26px; padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3);
}

.key {
  border: 1px solid var(--ink);
  padding: 26px 28px;
  margin: 0 0 40px;
  background: #FBF9F5;
  box-shadow: 5px 5px 0 #14161A0D;
}
.key h4 { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--copper); margin: 0 0 14px; font-weight: 600; }
.key ul { margin: 0; padding-left: 18px; }
.key li { font-size: 15px; color: var(--ink-2); margin-bottom: 8px; }
.key li:last-child { margin-bottom: 0; }

.pull {
  font-family: var(--serif);
  font-size: clamp(21px, 2.2vw, 28px);
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--ink);
  border-left: 3px solid var(--copper);
  padding: 4px 0 4px 24px;
  margin: 38px 0;
  max-width: 26ch;
}

figure.fig { margin: 34px 0; border: 1px solid var(--line-solid); background: #FBF9F5; }
figure.fig svg { display: block; width: 100%; height: auto; }
figure.fig figcaption {
  border-top: 1px solid var(--line-solid);
  padding: 11px 16px;
  font-size: 12.5px;
  color: var(--ink-3);
}

.related { border-top: 2px solid var(--ink); margin-top: 60px; padding-top: 26px; }
.related h4 { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 20px; font-weight: 600; }
.related__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.related a { text-decoration: none; display: block; border-top: 1px solid var(--line); padding-top: 14px; }
.related a span { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.related a strong { display: block; font-family: var(--serif); font-weight: 400; font-size: 19px; line-height: 1.2; margin-top: 8px; color: var(--ink); transition: color .18s; }
.related a:hover strong { color: var(--copper); }

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .hero__grid, .sec-head, .about, .strip { grid-template-columns: 1fr; }
  .strip { text-align: left; }
  .band__grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding-right: 20px; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .cards, .arts { grid-template-columns: 1fr; }
  .explain { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .doc { grid-template-columns: 1fr; }
  .toc { position: static; border: 1px solid var(--line-solid); padding: 20px; background: #FBF9F5; }
  .related__grid { grid-template-columns: 1fr; }
  .pull { margin: 30px 0; }
}

@media (max-width: 560px) {
  .band__grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .foot__grid { grid-template-columns: 1fr; }
  .site-head__in .btn { padding: 10px 14px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
}