/* mesura website, look of the Claude Design drafts "Startseite – Variante hell, Schrift der aktuellen Homepage
   (Quicksand / Helvetica)", "Ratgeber – Übersichtsseite (hell)" and "Ratgeber – Artikelvorlage (hell)" (31.10.2026).
   No inline styles (the Content-Security-Policy in .htaccess allows only this file). Quicksand comes from /fonts/,
   nothing from other servers. */
@font-face {
  font-family: "Quicksand"; font-style: normal; font-weight: 500 700; font-display: swap;
  src: url("/fonts/quicksand-latin.woff2") format("woff2");
}
:root {
  --blue: #155C8F; --blue-hover: #1D7EC4; --teal: #058677; --sky: #BDE9F2; --tint: #EEF8FB; --tint-card: #F7FCFD;
  --text: #191D1F; --grey: #868B8E; --line: #D6E2E7; --ph: #F6F6F6; --todo: #fff3a0;
  --display: "Quicksand", "Arial Rounded MT Bold", sans-serif;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 90px; } /* anchors end below the sticky header */
body { margin: 0; background: #fff; color: var(--text); font: 16px/1.6 var(--font); }
a { color: var(--teal); }
a:hover { color: var(--blue); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 700; color: var(--blue); line-height: 1.4; margin: 0; }
p, ul, ol { margin: 0; }
mark.todo { background: var(--todo); color: inherit; padding: 0 3px; border-radius: 3px; }

/* ---- building blocks ---- */
.m-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 24px; border: 1px solid transparent;
  border-radius: 999px; background: var(--blue); color: #fff; font: 700 15px/1.3 var(--display); letter-spacing: .01em; text-decoration: none; cursor: pointer; white-space: nowrap; }
.m-btn:hover { background: var(--blue-hover); color: #fff; }
.m-btn--secondary { background: var(--teal); }
.m-btn--secondary:hover { background: var(--blue); }
.m-btn--outline { background: #fff; border-color: var(--blue); color: var(--blue); }
.m-btn--outline:hover { background: var(--blue); color: #fff; }
.m-input { width: 100%; min-height: 44px; padding: 8px 12px; border: 1px solid var(--grey); border-radius: 8px; background: #fff; color: var(--text); font: 400 16px/1.5 var(--font); }
.m-input:focus { outline: 2px solid var(--blue); outline-offset: 0; }
textarea.m-input { resize: vertical; }
.wrap { max-width: 1050px; margin: 0 auto; padding: 80px 30px; }
.stack { display: flex; flex-direction: column; gap: 30px; }
.stack.g8 { gap: 8px; } .stack.g10 { gap: 10px; } .stack.g12 { gap: 12px; } .stack.g16 { gap: 16px; } .stack.g22 { gap: 22px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 22px; flex-wrap: wrap; }
.max640 { max-width: 640px; } .max680 { max-width: 680px; } .max720 { max-width: 720px; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: 48px; align-items: center; }
.split.top { align-items: start; }
.grid { display: grid; gap: 30px; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); }
.grid.w320 { grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); }
.lead { font-size: 19px; }
.small { font-size: 14px; }
.eyebrow { font-size: 14px; text-transform: uppercase; letter-spacing: .1em; }
.bt { border-top: 1px solid var(--line); }
.bg-tint { background: var(--tint); }
.bg-sky { background: var(--sky); }
.sec h2 { font-size: 27px; }
.sec h2.big { font-size: 30px; }
.sec h3 { font-size: 23px; }
.sec h3.sm, .sec h4 { font-size: 19px; }
.card { border: 1px solid var(--line); border-radius: 16px; padding: 30px; display: flex; flex-direction: column; gap: 14px; }
.card.soft { border-color: var(--sky); background: var(--tint-card); gap: 12px; }
.card .more { margin-top: auto; }
.photo { display: block; width: 100%; border-radius: 12px; border: 1px solid var(--line); object-fit: cover; background: var(--ph); }
.photo.r43 { aspect-ratio: 4 / 3; }
.photo.r169 { aspect-ratio: 16 / 9; }
.photo.r34 { aspect-ratio: 3 / 4; max-height: 420px; }
.photo.hero { aspect-ratio: 1 / 1; }
.ph { border-radius: 12px; display: flex; align-items: center; justify-content: center; text-align: center; background: var(--tint);
  border: 1px solid var(--line); color: var(--blue); font: 700 15px/1.4 var(--display); padding: 16px; aspect-ratio: 16 / 9; }
/* a link that is not there yet: not clickable, "bald verfügbar" */
.soon { color: var(--grey); cursor: default; }
.soon-note { font-weight: 400; font-size: 13px; }
.soon-note::before { content: "("; } .soon-note::after { content: ")"; }

/* ---- header (all pages) ---- */
.topbar { background: var(--tint); font-size: 14px; }
.topbar .bar { max-width: 1200px; margin: 0 auto; padding: 6px 30px; display: flex; flex-wrap: wrap; gap: 4px 22px; justify-content: space-between; align-items: center; }
.topbar .links { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.topbar a { color: var(--blue); text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: #fff; }
.site-header .bar { max-width: 1200px; margin: 0 auto; padding: 0 30px; min-height: 76px; display: flex; align-items: center; gap: 28px; }
.brand { display: block; flex: 0 0 auto; }
.brand img { display: block; }
.nav { display: flex; align-items: center; gap: 4px; margin: 0 auto; }
.nav-item { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 14px; border-radius: 999px; color: var(--text);
  text-decoration: none; font: 600 16px/1 var(--display); cursor: pointer; white-space: nowrap; }
.nav-item:hover, details[open] > .nav-item { background: var(--tint); color: var(--blue); }
.nav-item[aria-current] { color: var(--blue); }
.dd { position: relative; }
.dd-panel { position: absolute; left: -16px; top: calc(100% + 10px); width: 520px; background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px; box-shadow: 0 12px 32px rgba(21, 92, 143, .12); }
.dd-link { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border-radius: 12px; text-decoration: none; color: var(--text); font-size: 14px; line-height: 1.4; }
.dd-link strong { font: 700 16px/1.3 var(--display); color: var(--blue); }
.dd-link:hover { background: var(--tint); color: var(--text); }
.dd-link.wide { grid-column: 1 / -1; background: var(--tint); }
/* the product configurator: the eye-catcher at the bottom of the menu */
.dd-link.dd-cta { background: var(--blue); color: #fff; }
.dd-link.dd-cta strong { color: #fff; }
.dd-link.dd-cta strong::after { content: " →"; }
.dd-link.dd-cta:hover { background: var(--blue-hover); color: #fff; }
details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
/* small screens: the menu sits behind the burger (details, no script) */
.burger { display: none; margin-left: auto; }
.burger > summary { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 999px; background: #fff; }
.burger-panel { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 12px 32px rgba(21, 92, 143, .12);
  padding: 12px 22px 22px; display: flex; flex-direction: column; gap: 2px; }
.burger-panel a { padding: 10px 8px; border-radius: 12px; text-decoration: none; color: var(--text); font: 600 17px/1.3 var(--display); }
.burger-panel a:hover { background: var(--tint); color: var(--blue); }
/* the configurator stands out in the burger, lighter than the blue "Projekt anfragen" button below */
.burger-panel a.bp-cta { margin: 4px 0; padding: 12px 14px; background: var(--sky); color: var(--blue); }
.burger-panel a.bp-cta::after { content: " →"; }
.burger-panel a.bp-cta:hover { background: var(--blue); color: #fff; }
.burger-panel .m-btn { margin-top: 10px; align-self: flex-start; color: #fff; font-size: 15px; padding: 10px 24px; }
@media (max-width: 1100px) { .site-header .bar { gap: 16px; } .nav-item { padding: 0 10px; } }
@media (max-width: 900px) {
  .nav, .site-header .nav-cta { display: none; }
  .burger { display: block; }
}

/* ---- footer (all pages) ---- */
.site-footer { background: var(--tint); }
.site-footer .bar { max-width: 1050px; margin: 0 auto; padding: 48px 30px; display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; align-items: flex-start; }
.site-footer img { display: block; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.site-footer nav a { color: var(--blue); }

/* ---- start page ---- */
.hero-h { font-size: 40px; line-height: 1.25; }
.trust { background: var(--tint); color: var(--blue); font-weight: 600; }
.trust .wrap { padding: 22px 30px; display: flex; flex-wrap: wrap; gap: 12px 40px; justify-content: space-between; }
.steps4 { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.steps4 li { padding: 30px; display: flex; flex-direction: column; gap: 10px; border-right: 1px solid var(--line); margin-right: -1px; }
.steps4 a { margin-top: auto; }
.callout { display: flex; flex-wrap: wrap; gap: 16px 30px; align-items: center; justify-content: space-between; background: var(--sky); padding: 30px; border-radius: 16px; }
.callout p { font-size: 19px; flex: 1 1 420px; }
.steps3 { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 30px; }
.steps3 li { border-top: 1px solid var(--line); padding-top: 16px; display: flex; flex-direction: column; gap: 6px; }
.steps3 .n { font: 700 30px/1.4 var(--display); color: var(--blue); }
.card ul { padding-left: 20px; }
.product { display: flex; flex-direction: column; gap: 10px; }
.product p { font-size: 14px; }
.product .foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; }
.items { width: 100%; border-collapse: collapse; }
.items td { padding: 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.uses { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(170px, 100%), 1fr)); gap: 22px; }
.uses div { border-top: 3px solid var(--sky); padding-top: 14px; }
.uses p { margin-top: 6px; }
.downloads { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 0 30px; }
.downloads li { border-bottom: 1px solid var(--line); padding: 12px 0; display: flex; justify-content: space-between; gap: 12px; }
.teaser { display: flex; flex-direction: column; gap: 10px; }
.teaser h3 a, .featured h2 a { color: var(--blue); text-decoration: none; }
.teaser h3 a:hover, .featured h2 a:hover { text-decoration: underline; }
.contact { align-self: start; gap: 12px; }
.form { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr)); gap: 14px 22px; background: #fff; padding: 30px; border: 1px solid var(--line); }
.form label { display: flex; flex-direction: column; gap: 4px; }
.form .full { grid-column: 1 / -1; }
.form fieldset { grid-column: 1 / -1; border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.form legend { padding: 0 0 4px; }
.form label.check { flex-direction: row; gap: 8px; align-items: center; }
.form label.consent { flex-direction: row; gap: 10px; align-items: flex-start; font-size: 14px; }
.form input[type="checkbox"] { width: 20px; height: 20px; margin: 0; flex: 0 0 auto; accent-color: var(--blue); }
.form label.consent input { margin-top: 2px; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; } /* field for spam bots, people never see it */
.faq { max-width: 760px; }
.faq .list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { font: 700 16px/1.4 var(--display); color: var(--blue); }
.faq summary::after { content: "+"; float: right; font-weight: 500; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: 8px; }
.band .wrap { padding: 35px 30px; display: flex; flex-wrap: wrap; gap: 22px; align-items: center; justify-content: space-between; }
.band .stack { flex: 1 1 320px; gap: 4px; }
.band h2 { font-size: 23px; }

/* ---- Ratgeber (build-site.py) ---- */
.crumbs { font-size: 14px; }
.rg-head .wrap { padding: 64px 30px 48px; display: flex; flex-direction: column; gap: 14px; }
.rg-head h1 { font-size: 40px; line-height: 1.25; }
.rg-head p { font-size: 19px; max-width: 680px; }
.featured { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); gap: 16px 40px; align-items: center; }
.featured .label { font: 700 14px/1.4 var(--display); color: var(--blue); }
.featured h2 { font-size: 30px; }
.new { align-self: flex-start; display: inline-block; font: 700 13px/1 var(--display); color: #fff; background: var(--teal); padding: 6px 12px; border-radius: 999px; }
.ticks { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.ticks li { position: relative; padding-left: 26px; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal); font-weight: 700; }
.topics { display: flex; flex-wrap: wrap; gap: 8px; }
.topics .nav-item { border: 1px solid var(--line); }
.topics .nav-item[aria-current] { background: var(--blue); color: #fff; }
.grid.articles { gap: 40px 30px; }
.more-box { border: 1px dashed var(--grey); border-radius: 16px; padding: 30px; display: flex; flex-wrap: wrap; gap: 16px 30px; align-items: center; justify-content: space-between; }
.more-box .stack { flex: 1 1 360px; gap: 4px; }
.more-box h2 { font-size: 23px; }
.draft { background: var(--todo); border-radius: 8px; padding: 10px 14px; font-size: 14px; }
.article .wrap { max-width: 720px; padding: 48px 30px 80px; display: flex; flex-direction: column; gap: 22px; }
.article h1 { font-size: 30px; }
.article h2 { font-size: 23px; }
.article h3 { font-size: 19px; }
.article .body { display: flex; flex-direction: column; gap: 22px; }
.article .body > p:first-child { font-size: 19px; }
.article ul, .article ol { padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.article hr { width: 100%; border: 0; border-top: 1px solid var(--line); margin: 0; }
.article code { background: var(--ph); border-radius: 4px; padding: 0 4px; font-size: 14px; }
.article table { width: 100%; border-collapse: collapse; font-size: 15px; }
.article th, .article td { text-align: left; vertical-align: top; padding: 8px; border-bottom: 1px solid var(--line); }
.article .scroll { overflow-x: auto; }
.article aside { background: var(--tint); padding: 30px; border-radius: 16px; display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.article aside div { display: flex; }
.article .further { border-top: 1px solid var(--line); padding-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.article .further h2 { font-size: 19px; }
.article .further .m-btn { align-self: flex-start; }

/* ---- other pages (Impressum, Datenschutz, Anfrage, 404) ---- */
.page .wrap { max-width: 760px; padding: 56px 30px 80px; }
.page h1 { font-size: 30px; margin: 0 0 12px; }
.page h2 { font-size: 23px; margin: 36px 0 10px; }
.page h3 { font-size: 19px; margin: 22px 0 6px; }
.page p, .page ul { margin: 0 0 12px; }
.page ul { padding-left: 22px; }
.page .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

@media (max-width: 768px) {
  .wrap { padding: 56px 22px; }
  .hero-h { font-size: 30px; }
  .split, .grid.w320 { grid-template-columns: 1fr; gap: 32px; }
  .steps4 li { border-right: 0; border-bottom: 1px solid var(--line); margin-right: 0; }
  .site-header .bar, .topbar .bar { padding-left: 22px; padding-right: 22px; }
  .rg-head h1 { font-size: 32px; }
  .featured h2 { font-size: 24px; }
  .form { padding: 22px; }
}
@media (max-width: 420px) {
  .topbar .bar > span:first-child { display: none; }
  .brand img { width: 150px; height: auto; }
}

/* hardware teaser on the start page: the whole card is the link to /hardware/ */
.hw-teaser { text-decoration: none; color: var(--text); transition: border-color .2s, box-shadow .2s; }
.hw-teaser:hover { color: var(--text); border-color: var(--blue); box-shadow: 0 12px 32px rgba(21, 92, 143, .12); }
.hw-teaser .foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; }
.hw-teaser .more-link { color: var(--teal); text-decoration: underline; }
.hw-teaser:hover .more-link { color: var(--blue); }

/* product configurator (seiten\konfigurator.html, konfigurator.js): questions left, the recommendation sticky right */
.cfg { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 48px; align-items: start; }
.cfg [hidden] { display: none !important; } /* .stack would otherwise show hidden questions */
.cfg-form { display: flex; flex-direction: column; gap: 40px; }
.cfg-q { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.cfg-q legend, .sec .cfg-h { display: flex; align-items: center; gap: 12px; padding: 0 0 6px; font: 700 21px/1.4 var(--display); color: var(--blue); }
.cfg-q .n { flex: 0 0 auto; width: 32px; height: 32px; border-radius: 999px; background: var(--blue); color: #fff; display: inline-flex;
  align-items: center; justify-content: center; font: 700 15px/1 var(--display); }
.cfg .opt { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; }
.cfg .opt:hover { border-color: var(--blue); }
.cfg .opt:has(input:checked) { border-color: var(--blue); background: var(--tint-card); box-shadow: inset 0 0 0 1px var(--blue); }
.cfg .opt span { display: flex; flex-direction: column; font-size: 14px; }
.cfg .opt strong { font: 700 16px/1.4 var(--display); color: var(--text); }
.cfg input[type="radio"], .cfg input[type="checkbox"] { width: 20px; height: 20px; margin: 2px 0 0; flex: 0 0 auto; accent-color: var(--blue); }
.cfg label.check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.cfg .opts2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 10px 22px; }
.cfg .field { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.cfg .field.narrow { max-width: 200px; }
.cfg .form { padding: 22px; }
.cfg-result { position: sticky; top: 100px; }
.cfg-box { border: 1px solid var(--sky); background: var(--tint); border-radius: 16px; padding: 26px; display: flex; flex-direction: column; gap: 12px; }
.cfg-box h2.cfg-line { font-size: 23px; }
.cfg-items { list-style: none; padding: 0; display: flex; flex-direction: column; }
.cfg-items li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.cfg-items li:first-child { font-weight: 700; }
.cfg-notes { padding-left: 18px; color: var(--blue); }
.cfg-notes:empty { display: none; }
.cfg-box .m-btn { align-self: flex-start; }
@media (max-width: 900px) {
  /* on phones the recommendation sits between the questions and the contact fields */
  .cfg { grid-template-columns: 1fr; gap: 40px; }
  .cfg-form { display: contents; }
  .cfg-result { position: static; order: 1; }
  .cfg #kontakt { order: 2; }
}