:root {
  --ink: #102f42;
  --ink-soft: #31556a;
  --lime: #d7ee38;
  --lime-dark: #b9d125;
  --sky: #edf7fa;
  --paper: #ffffff;
  --line: #d8e4e9;
  --warm: #fff9e8;
  --shadow: 0 18px 42px rgba(16, 47, 66, .12);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #f7fbfc;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.62;
}
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid #f1bf00; outline-offset: 3px; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 20;
  background: var(--paper); color: var(--ink); padding: .6rem .85rem; border-radius: .6rem;
}
.skip-link:focus { top: 1rem; }

.site-header {
  background: var(--ink);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.13);
}
.topline { background: #0b2534; font-size: .85rem; }
.topline-inner, .nav-inner, .hero-inner, .page-shell, .footer-inner {
  width: min(var(--max), calc(100% - 2.5rem)); margin-inline: auto;
}
.topline-inner { min-height: 2.25rem; display: flex; align-items: center; justify-content: flex-end; gap: 1rem; color: #d8e5eb; }
.phone-link { text-decoration: none; font-weight: 800; color: var(--lime); white-space: nowrap; }
.nav-inner { min-height: 5.45rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { color: #fff; text-decoration: none; display: inline-flex; align-items: baseline; gap: .38rem; font-weight: 850; letter-spacing: -.045em; font-size: 1.62rem; }
.brand:not(:has(.brand-mark))::before { content: ""; width: 31px; height: 31px; flex: 0 0 31px; align-self: center; background: url("../assets/spartarif-s-mark.svg") center / contain no-repeat; }
.brand .brand-mark { width: 31px; height: 31px; flex: 0 0 31px; align-self: center; object-fit: contain; }
.brand .brand-dot { color: var(--lime); }
.brand small { font-size: .78rem; letter-spacing: 0; font-weight: 650; color: #cbdbe2; }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 1.15rem; font-size: .94rem; }
.nav-list a { color: #dce9ee; text-decoration: none; font-weight: 680; }
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--lime); }
.nav-cta, .button {
  display: inline-flex; justify-content: center; align-items: center; min-height: 2.85rem;
  padding: .65rem 1rem; border-radius: 999px; text-decoration: none; font-weight: 800;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.nav-cta { background: var(--lime); color: var(--ink) !important; }
.nav-cta:hover, .button:hover { transform: translateY(-2px); box-shadow: 0 9px 18px rgba(0,0,0,.16); }

.hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(135deg, #12384d 0%, #0b2534 72%); }
.hero::after { content: ""; position: absolute; width: 38rem; height: 38rem; border-radius: 50%; background: rgba(215,238,56,.12); right: -16rem; top: -23rem; }
.hero-inner { position: relative; z-index: 1; padding: 4.7rem 0 4.2rem; max-width: 850px; }
.hero-inner--visual { max-width: var(--max); display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, .78fr); align-items: center; gap: 1rem; padding: 3.55rem 0 2.85rem; }
.hero-copy { position: relative; z-index: 2; }
.hero-visual { width: min(100%, 34rem); margin: 0 -2rem -.85rem auto; line-height: 0; }
.hero-visual img { width: 100%; height: auto; display: block; filter: drop-shadow(0 1.2rem 1.8rem rgba(0,0,0,.22)); }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; color: var(--lime); font-weight: 800; font-size: .83rem; letter-spacing: .11em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 1.6rem; height: 2px; background: currentColor; }
h1, h2, h3 { color: var(--ink); line-height: 1.13; letter-spacing: -.038em; }
.hero h1 { color: #fff; margin: .8rem 0 1.2rem; max-width: 15ch; font-size: clamp(2.25rem, 5.2vw, 4.6rem); }
.hero p { margin: 0; max-width: 64ch; color: #d8e6eb; font-size: clamp(1.05rem, 1.8vw, 1.22rem); }
.hero .topic-meta { margin-top: 1.45rem; color: #c0d4dd; font-size: .89rem; }

.page-shell { padding: 3.7rem 0 4.5rem; }
.intro { max-width: 780px; margin: 0 0 2.7rem; color: var(--ink-soft); font-size: 1.14rem; }
.guide-section-heading { max-width: 780px; margin: 3.4rem 0 1.35rem; }
.intro + .guide-section-heading { margin-top: 0; }
.guide-section-heading > span { color: #77a312; font-weight: 900; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }
.guide-section-heading h2 { margin: .35rem 0 .55rem; font-size: clamp(1.7rem, 3vw, 2.4rem); }
.guide-section-heading p { margin: 0; color: var(--ink-soft); }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.35rem; }
.guide-card { display: flex; flex-direction: column; padding: 1.65rem; min-height: 18.5rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(16,47,66,.05); text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.guide-card.featured-guide { background: linear-gradient(135deg, #f7fce7 0%, #ffffff 74%); border-color: #c8dd70; }
.guide-card:hover { transform: translateY(-4px); border-color: #b7d633; box-shadow: var(--shadow); }
.card-no { color: #77a312; font-weight: 900; letter-spacing: .08em; font-size: .82rem; text-transform: uppercase; }
.guide-card h2 { font-size: 1.55rem; margin: .6rem 0 .65rem; }
.guide-card p { margin: 0; color: var(--ink-soft); }
.card-more { margin-top: auto; padding-top: 1.2rem; color: #4a7800; font-weight: 800; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 3.3rem; align-items: start; }
.article { min-width: 0; }
.article h2 { margin: 0 0 .75rem; font-size: clamp(1.55rem, 3vw, 2.2rem); }
.article h3 { margin: 1.9rem 0 .45rem; font-size: 1.23rem; }
.article p { margin: 0 0 1.15rem; }
.article ul { margin: .2rem 0 1.3rem; padding-left: 1.25rem; }
.article li { margin: .38rem 0; }
.article li::marker { color: #84a900; }
.article section + section { margin-top: 2.65rem; padding-top: 2.55rem; border-top: 1px solid var(--line); }
.step-list { counter-reset: item; display: grid; gap: 1rem; margin: 1.1rem 0 1.35rem; }
.step { position: relative; padding: 1.2rem 1.25rem 1.15rem 4.5rem; background: var(--paper); border: 1px solid var(--line); border-radius: 1rem; }
.step::before { counter-increment: item; content: counter(item); position: absolute; left: 1.2rem; top: 1.2rem; width: 2.15rem; height: 2.15rem; display: grid; place-items: center; border-radius: 50%; background: var(--lime); color: var(--ink); font-weight: 900; }
.step h3 { margin: 0 0 .25rem; font-size: 1.12rem; }
.step p { margin: 0; color: var(--ink-soft); }
.callout { margin: 2rem 0; padding: 1.4rem 1.5rem; background: var(--warm); border-left: 5px solid #e7bd28; border-radius: 0 1rem 1rem 0; }
.callout strong { display: block; margin-bottom: .2rem; }
.source-box { padding: 1.35rem 1.45rem; background: var(--sky); border-radius: 1rem; }
.source-box h2 { font-size: 1.15rem; margin: 0 0 .45rem; }
.source-box p { margin: 0; font-size: .94rem; color: var(--ink-soft); }
.source-box a { color: #1c637d; font-weight: 750; }

.aside { position: sticky; top: 1.25rem; display: grid; gap: 1rem; }
.aside-card { padding: 1.4rem; background: var(--paper); border: 1px solid var(--line); border-radius: 1.1rem; }
.aside-card.lime { background: var(--lime); border-color: var(--lime-dark); }
.aside h2 { margin: 0 0 .55rem; font-size: 1.27rem; }
.aside p { color: var(--ink-soft); font-size: .94rem; margin: 0 0 1rem; }
.aside-card.lime p { color: #294303; }
.button.primary { background: var(--ink); color: #fff; width: 100%; }
.button.secondary { background: var(--lime); color: var(--ink); width: 100%; }
.button + .button { margin-top: .65rem; }
.mini-list { padding: 0; margin: 0; list-style: none; font-size: .91rem; }
.mini-list li { border-top: 1px solid var(--line); padding: .55rem 0; }
.mini-list li:first-child { border-top: 0; padding-top: 0; }
.mini-list a { text-decoration: none; font-weight: 700; color: #315f70; }
.mini-list a:hover { color: #56800d; }

.trust-strip { padding: 2.4rem 0; background: #eaf4f6; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-strip .page-shell { padding: 0; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; }
.trust-strip strong { display: block; margin-bottom: .25rem; font-size: 1.06rem; }
.trust-strip span { color: var(--ink-soft); font-size: .94rem; }

.site-footer { background: #0b2534; color: #d8e5eb; }
.footer-inner { padding: 2.6rem 0 2rem; display: grid; grid-template-columns: 1.5fr 1fr; gap: 2rem; }
.footer-inner p { margin: .55rem 0 0; max-width: 48ch; color: #bcd1db; font-size: .93rem; }
.footer-nav { display: flex; flex-wrap: wrap; align-content: flex-start; justify-content: flex-end; gap: .6rem 1rem; }
.footer-nav a { color: #dce9ee; text-decoration: none; font-size: .91rem; }
.footer-nav a:hover { color: var(--lime); }
.footer-note { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.15); font-size: .78rem; color: #9db7c3; }
.footer-note--split { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: .65rem 2rem; }
.footer-copyright { white-space: nowrap; text-align: right; }

@media (max-width: 820px) {
  body { font-size: 16px; }
  .topline-inner { justify-content: center; }
  .nav-inner { min-height: auto; padding: 1rem 0; align-items: flex-start; flex-direction: column; gap: .8rem; }
  .nav-list { width: 100%; gap: .75rem 1rem; flex-wrap: wrap; }
  .nav-cta { display: none; }
  .hero-inner { padding: 3.35rem 0 3.05rem; }
  .hero-inner--visual { grid-template-columns: 1fr; gap: 0; padding: 3.35rem 0 1.5rem; }
  .hero-visual { width: min(100%, 25rem); margin: -.7rem auto -1.7rem; }
  .card-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; gap: 2rem; }
  .aside { position: static; grid-template-columns: 1fr 1fr; }
  .trust-strip .page-shell { grid-template-columns: 1fr; gap: 1rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { justify-content: flex-start; }
}
@media (max-width: 560px) {
  .topline-inner, .nav-inner, .hero-inner, .page-shell, .footer-inner { width: min(var(--max), calc(100% - 1.45rem)); }
  .brand { font-size: 1.42rem; }
  .brand:not(:has(.brand-mark))::before { width: 28px; height: 28px; flex-basis: 28px; }
  .brand .brand-mark { width: 28px; height: 28px; flex-basis: 28px; }
  .nav-list { font-size: .86rem; }
  .footer-note--split { grid-template-columns: 1fr; gap: .45rem; }
  .footer-copyright { justify-self: end; }
  .hero h1 { font-size: 2.35rem; }
  .hero-visual { width: min(100%, 21rem); margin-top: -.4rem; }
  .guide-card { min-height: 0; }
  .aside { grid-template-columns: 1fr; }
  .step { padding-left: 4rem; }
  .step::before { left: 1rem; }
}

/* Mobile Wortmarke: das S sitzt optisch auf derselben Höhe wie SparTarif. */
@media (max-width: 560px) {
  .brand:not(:has(.brand-mark))::before,
  .brand .brand-mark { transform: translateY(-2px); }
}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}

/* Language control: compact and visible on every guide page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:2.35rem;padding:.4rem .65rem;border:1px solid rgba(255,255,255,.38);border-radius:999px;color:#fff;text-decoration:none;font-size:.78rem;font-weight:850;letter-spacing:.06em}.language-switch:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:820px){.nav-inner{position:relative}.language-switch{position:absolute;right:0;top:1rem;min-height:2.15rem;padding:.32rem .55rem}}