/* Shared styles for /artikel/ pages — same design tokens as the landing page. */
:root {
  --red-500: #db0701; --red-600: #c00600; --red-700: #8e0400;
  --yellow-400: #fdd604; --yellow-500: #fdd604;
  --lime-100: #f4f6c9;
  --green-100: #e4ead1; --green-600: #54611a; --green-700: #37421a;
  --cream-50: #fdf7ee; --cream-100: #f7e9d9;
  --gray-200: #d8d2c7; --gray-600: #4a463d;
  --white: #ffffff;

  --surface-page: var(--cream-50);
  --surface-page-alt: var(--cream-100);
  --surface-card: var(--white);
  --text-heading: var(--green-700);
  --text-body: var(--gray-600);
  --text-muted: #6b6559;
  --border-subtle: var(--gray-200);

  --shadow-sm: 0 2px 6px rgba(46,43,37,.10);
  --shadow-accent: 0 10px 28px rgba(219,7,1,.28);
  --shadow-brand: 0 10px 28px rgba(253,214,4,.36);

  --font-display: "Archivo Black", "Archivo", Helvetica, Arial, sans-serif;
  --font-text: "Archivo", Helvetica, Arial, sans-serif;
  --font-narrow: "Archivo Narrow", "Archivo", Helvetica, Arial, sans-serif;
  --tracking-eyebrow: .16em;
  --tracking-label: .08em;
  --radius-card: 16px;
  --radius-control: 999px;
  --container-lg: 1120px;
  --container-text: 720px;
  --gutter-inline: 24px;
  --section-y: 64px;

  color-scheme: light dark;
}

/* Pin light-mode colors under forced dark mode, same as the landing page. */
@media (prefers-color-scheme: dark) {
  :root {
    --surface-page: #fdf7ee; --surface-page-alt: #f7e9d9; --surface-card: #ffffff;
    --text-heading: #37421a; --text-body: #4a463d; --text-muted: #6b6559; --border-subtle: #d8d2c7;
  }
  html, body { background: #fdf7ee; color: #4a463d; }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--surface-page); }
body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-body);
  font: 400 1rem/1.6 var(--font-text);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
  overflow-x: hidden;
}
h1, h2, h3 { color: var(--text-heading); margin: 0; }
p { margin: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--red-500); outline-offset: 2px; }

.container { max-width: var(--container-lg); margin: 0 auto; }
.eyebrow {
  font: 700 .75rem/1.2 var(--font-text);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
}

/* ---- Button ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 24px; gap: 8px;
  font: 700 1rem/1 var(--font-text);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase; text-decoration: none;
  border: 2px solid transparent; border-radius: var(--radius-control);
  cursor: pointer; white-space: nowrap;
  transition: background-color 140ms, transform 140ms;
}
.btn:active { transform: scale(.97); }
.btn--primary { background: var(--red-500); color: #fff; box-shadow: var(--shadow-accent); }
.btn--primary:hover { background: var(--red-600); }
.btn--secondary { background: var(--yellow-500); color: var(--green-700); box-shadow: var(--shadow-brand); }
.btn--secondary:hover { background: #e0ba00; }
.btn--lg { height: 52px; padding: 0 40px; font-size: 1.125rem; }

/* ---- Header (same as landing) ---- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: var(--surface-page);
  border-bottom: 1px solid var(--border-subtle);
}
.site-header__inner {
  padding: 12px var(--gutter-inline);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.site-header__brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.site-header__lockup { white-space: nowrap; }
@media (max-width: 820px) { .site-nav .nav-home { display: none; } }
.site-header__logo { height: clamp(40px, 11vw, 57px); width: auto; mix-blend-mode: multiply; }
.site-header__lockup { display: flex; flex-direction: column; gap: 2px; }
.site-header__name { font: 900 20px var(--font-display); letter-spacing: -.02em; text-transform: uppercase; color: var(--red-500); }
.site-header__tag { font: 700 .75rem/1.2 var(--font-text); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-muted); }
.site-header__actions { display: flex; align-items: center; gap: 20px; }
.site-nav { display: flex; gap: 20px; }
.site-nav a {
  font: 700 .875rem/1 var(--font-text); letter-spacing: var(--tracking-label); text-transform: uppercase;
  color: var(--green-700); text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { border-bottom-color: var(--red-500); }
@media (max-width: 560px) {
  :root { --gutter-inline: 16px; --section-y: 48px; }
  .site-header__tag { display: none; }
  .site-header__inner, .site-header__brand { gap: 8px; }
  .site-header__logo { height: 36px; }
  .site-header__actions { gap: 12px; }
  .site-nav { gap: 12px; }
  .site-nav .nav-home { display: none; }
  .site-nav a { font-size: .75rem; letter-spacing: .04em; }
  .site-header .btn { height: 36px; padding: 0 12px; font-size: .8125rem; letter-spacing: .04em; }
  .hide-sm { display: none; }
}

/* ---- Breadcrumb ---- */
.crumbs { font: 500 .8125rem/1.4 var(--font-text); color: var(--text-muted); margin-bottom: 20px; }
.crumbs a { color: var(--green-700); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs span { margin: 0 6px; }

/* ---- Page hero (list + article) ---- */
.page-hero {
  background: linear-gradient(180deg, var(--cream-100) 0%, var(--lime-100) 100%);
  padding: 40px var(--gutter-inline) 48px;
}
.page-hero__inner { max-width: var(--container-text); margin: 0 auto; }
.page-hero--wide .page-hero__inner { max-width: var(--container-lg); }
.page-hero .eyebrow { color: var(--red-500); margin-bottom: 12px; }
.page-hero h1 {
  font: 900 clamp(28px, 6vw, 46px)/1.05 var(--font-display);
  letter-spacing: -.02em; margin-bottom: 16px;
}
.page-hero__lead { font: 400 1.1875rem/1.55 var(--font-text); color: var(--gray-600); max-width: 60ch; }
.page-hero__meta { font: 600 .875rem/1.4 var(--font-narrow); letter-spacing: .04em; color: var(--text-muted); margin-top: 20px; }

/* ---- Article list ---- */
.list { padding: var(--section-y) var(--gutter-inline); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.a-card {
  display: flex; flex-direction: column;
  background: var(--surface-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-sm);
  text-decoration: none; transition: transform 140ms, box-shadow 140ms;
}
.a-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(46,43,37,.14); }
.a-card__img { aspect-ratio: 16/10; background: #f6f4f0; overflow: hidden; }
.a-card__img img { width: 100%; height: 100%; object-fit: cover; }
.a-card__body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.a-card__tag { font: 700 .6875rem/1.2 var(--font-text); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--red-500); }
.a-card h2, .a-card h3 { font: 700 1.25rem/1.25 var(--font-text); color: var(--green-700); }
.a-card p { font-size: .9375rem; line-height: 1.55; }
.a-card__more { margin-top: auto; padding-top: 6px; font: 700 .8125rem/1 var(--font-text); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--red-500); }

/* ---- Article body ---- */
.article { padding: 48px var(--gutter-inline) var(--section-y); }
.prose { max-width: var(--container-text); margin: 0 auto; font-size: 1.0625rem; line-height: 1.75; }
.prose > * + * { margin-top: 1.1em; }
.prose [id] { scroll-margin-top: 96px; }
.prose h2 {
  font: 900 clamp(22px, 4.6vw, 30px)/1.15 var(--font-display); letter-spacing: -.01em;
  margin-top: 2.2em; padding-top: .2em;
}
.prose h3 { font: 700 1.25rem/1.3 var(--font-text); margin-top: 1.8em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .45em; }
.prose strong { color: var(--green-700); }
.prose a { color: var(--red-600); font-weight: 600; text-underline-offset: 3px; }
.prose figure { margin: 2em 0; }
.prose figure img { width: 100%; max-height: 460px; object-fit: cover; border-radius: var(--radius-card); background: #f6f4f0; }
.prose figcaption { font-size: .875rem; color: var(--text-muted); margin-top: 8px; text-align: center; }

.toc {
  background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-card);
  padding: 18px 22px; font-size: .9375rem;
}
.toc strong { display: block; font: 700 .75rem/1.2 var(--font-text); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; }
.toc ol { margin: 0; }
.toc a { color: var(--green-700); font-weight: 500; text-decoration: none; }
.toc a:hover { text-decoration: underline; }

.note {
  background: #fff8e6; border: 1px solid var(--yellow-400); border-radius: var(--radius-card);
  padding: 16px 20px; font-size: 1rem;
}
.note--tip { background: var(--green-100); border-color: #c5cfa4; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border-subtle); border-radius: var(--radius-card); background: var(--surface-card); }
.prose table { width: 100%; border-collapse: collapse; font-size: .9375rem; line-height: 1.5; }
.prose th, .prose td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border-subtle); }
.prose th { background: var(--green-700); color: var(--cream-50); font-weight: 700; }
.prose tr:last-child td { border-bottom: 0; }
.prose tr.hl td { background: #fff8e6; color: var(--green-700); }
.prose td.num, .prose th.num { text-align: right; font-variant-numeric: tabular-nums; }

.steps { list-style: none; padding: 0 !important; counter-reset: s; }
.steps > li {
  counter-increment: s; position: relative; padding: 18px 20px 18px 64px;
  background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-card); box-shadow: var(--shadow-sm);
}
.steps > li + li { margin-top: 14px; }
.steps > li::before {
  content: counter(s); position: absolute; left: 18px; top: 18px;
  width: 32px; height: 32px; border-radius: 999px; background: var(--red-500); color: #fff;
  font: 700 1rem/32px var(--font-text); text-align: center;
}
.steps h3 { margin: 0 0 4px; font-size: 1.125rem; }

.faq details {
  background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: 12px; padding: 14px 18px;
}
.faq details + details { margin-top: 10px; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--green-700); }
.faq details p { margin-top: 8px; }

/* ---- Calculator ---- */
.calc {
  background: var(--surface-card); border: 2px solid var(--green-600); border-radius: var(--radius-card);
  padding: 20px 22px;
}
.calc__title { font: 900 1.25rem/1.2 var(--font-display); text-transform: uppercase; color: var(--green-700); margin: 0 0 4px; }
.calc__hint { font-size: .9375rem; color: var(--text-muted); margin-bottom: 16px; }
.calc__fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px 16px; align-items: end; }
.calc label { display: block; font: 700 .8125rem/1.3 var(--font-text); color: var(--green-700); margin-bottom: 6px; }
.calc input {
  width: 100%; height: 44px; padding: 0 12px; font: 600 1.0625rem var(--font-text); color: var(--gray-600);
  border: 1px solid var(--border-subtle); border-radius: 10px; background: var(--cream-50);
}
.calc input:focus { outline: 2px solid var(--red-500); outline-offset: 1px; }
.calc__out { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 18px; }
.calc__stat { background: var(--green-100); border-radius: 12px; padding: 12px 14px; }
.calc__stat span { display: block; font: 600 .8125rem/1.3 var(--font-text); color: var(--green-600); }
.calc__stat b { display: block; font: 900 1.5rem/1.2 var(--font-display); color: var(--green-700); margin-top: 4px; font-variant-numeric: tabular-nums; }
.calc__stat--main { background: var(--red-500); }
.calc__stat--main span { color: var(--cream-100); }
.calc__stat--main b { color: var(--yellow-400); }
.calc__err { color: var(--red-600); font-size: .875rem; margin-top: 8px; min-height: 1.2em; }

/* ---- Product box inside articles ---- */
.promo {
  display: grid; grid-template-columns: 120px 1fr; gap: 20px; align-items: center;
  background: var(--red-500); color: #fff; border-radius: var(--radius-card); padding: 20px 24px; margin: 2.2em 0 !important;
}
.promo img { width: 120px; height: 150px; object-fit: contain; }
.promo h2, .promo h3, .promo strong { color: #fff; }
.promo__title { font: 900 1.375rem/1.1 var(--font-display); text-transform: uppercase; margin: 0 0 6px; color: var(--yellow-400) !important; }
.promo p { font-size: 1rem; line-height: 1.5; color: var(--cream-100); margin-bottom: 14px; }
.promo .btn { color: var(--green-700); }
@media (max-width: 520px) {
  .promo { grid-template-columns: 1fr; text-align: center; }
  .promo img { margin: 0 auto; }
}

/* ---- Related ---- */
.related { background: var(--surface-page-alt); padding: var(--section-y) var(--gutter-inline); }
.related h2 { font: 900 clamp(24px, 5vw, 32px)/1.1 var(--font-display); text-transform: uppercase; letter-spacing: -.02em; margin-bottom: 28px; }

/* ---- Footer ---- */
.site-footer { background: var(--red-500); color: var(--cream-100); padding: 48px var(--gutter-inline); }
.site-footer__inner { display: flex; flex-wrap: wrap; gap: 24px 48px; justify-content: space-between; align-items: flex-end; }
.site-footer__wordmark { font: 900 2rem var(--font-display); text-transform: uppercase; color: var(--yellow-400); letter-spacing: -.02em; }
.site-footer address { font-style: normal; margin-top: 8px; line-height: 1.55; }
.site-footer__phone { font: 600 .875rem var(--font-narrow); letter-spacing: var(--tracking-label); margin-top: 10px; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer nav a { color: #fff; font-weight: 700; text-decoration: none; }
.site-footer nav a:hover { text-decoration: underline; }