/* Sideline Marketing-Site — Monochrom/Ink (PO-Entscheid 2026-08-17)
   Ein Token-Set für alle Seiten (N4). Keine Webfonts, keine Frameworks.
   Palette ausschliesslich: #1D1D1F #6E6E73 #F5F5F7 #0D0D0F #A1A1A6 #FFFFFF */

:root {
  --ink: #1D1D1F;
  --ink-secondary: #6E6E73;
  --surface: #F5F5F7;
  --dark: #0D0D0F;
  --dark-text: #F5F5F7;
  --dark-secondary: #A1A1A6;
  --white: #FFFFFF;
  --hairline: rgba(0, 0, 0, 0.08);
  --hairline-dark: rgba(255, 255, 255, 0.12);
  --hairline-strong: rgba(0, 0, 0, 0.2);

  /* Spacing-Skala 4/8/12/16/24/32/48/64/96 */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px;

  --r-card: 12px;
  --r-panel: 16px;
  --r-pill: 980px;

  --measure: 62ch;
  --container: 1040px;
  --gutter: var(--s-4);
  --nav-h: 56px;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

@media (min-width: 720px) { :root { --gutter: var(--s-5); --nav-h: 60px; } }

/* ---------- Basis ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-weight: 600; line-height: 1.12; margin: 0; }
h1 { font-size: clamp(2.25rem, 7vw, 3.75rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 4.5vw, 2.5rem); letter-spacing: -0.025em; }
h3 { font-size: 1.25rem; letter-spacing: -0.02em; }
p { margin: 0; }
p + p { margin-top: var(--s-4); }
a { color: inherit; overflow-wrap: anywhere; }
img { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px; }
.on-dark :focus-visible { outline-color: var(--dark-text); }

.container { max-width: var(--container); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.measure { max-width: var(--measure); }
.center { text-align: center; }
.center .measure { margin-left: auto; margin-right: auto; }
.lede { font-size: 1.125rem; color: var(--ink-secondary); }
@media (min-width: 720px) { .lede { font-size: 1.3125rem; } }
.muted { color: var(--ink-secondary); }
.small { font-size: 0.9375rem; }
.eyebrow { font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-secondary); }

[id] { scroll-margin-top: calc(var(--nav-h) + var(--s-4)); }

/* Skip-Link (N7) */
.skip {
  position: absolute; left: var(--s-4); top: -100px;
  background: var(--ink); color: var(--white);
  padding: var(--s-3) var(--s-4); border-radius: var(--r-pill); z-index: 100;
  text-decoration: none;
}
.skip:focus { top: var(--s-4); }

/* ---------- Wortmarke + Pylon-Tick ---------- */
.wordmark {
  display: inline-flex; align-items: center; gap: 0.3em;
  font-size: 1.0625rem; font-weight: 500; letter-spacing: -0.01em;
  color: inherit; text-decoration: none;
}
.tick {
  display: inline-block; width: 0.18em; height: 0.85em;
  background: currentColor; border-radius: 1px;
  transform: skewX(-8deg);
}

/* ---------- Buttons: genau zwei Varianten (N4) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 var(--s-5);
  background: var(--ink); color: var(--white);
  border-radius: var(--r-pill); text-decoration: none;
  font-size: 1rem; font-weight: 500; white-space: nowrap;
  transition: opacity 120ms ease;
}
.btn:hover { opacity: 0.86; }
.on-dark .btn { background: var(--dark-text); color: var(--dark); }
.link {
  display: inline-flex; align-items: center; min-height: 44px;
  color: inherit; text-decoration: underline;
  text-decoration-thickness: 1px; text-underline-offset: 0.2em;
  text-decoration-color: rgba(29, 29, 31, 0.4);
}
.link:hover { text-decoration-color: currentColor; }
.on-dark .link { text-decoration-color: rgba(245, 245, 247, 0.45); }
.actions { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); align-items: center; }
.center .actions { justify-content: center; }

/* ---------- Navigation (N1 Scroll-Spy, N6 persistent) ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--hairline);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: var(--s-4); }
.nav-links { display: inline-flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-4); }
.js .nav-links { display: none; }
.nav-links a { text-decoration: none; font-size: 0.9375rem; color: var(--ink-secondary); padding: var(--s-2) 0; min-height: 44px; display: inline-flex; align-items: center; }
.nav-links a:hover, .nav-links a[aria-current="true"] { color: var(--ink); }
.nav-links a[aria-current="true"] { text-decoration: underline; text-underline-offset: 0.35em; text-decoration-thickness: 1.5px; }
.nav-cta { display: none; }
.burger { display: none; }
.js .burger {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-right: -8px; border-radius: 50%;
}
.burger svg { width: 22px; height: 22px; }
.burger .ic-close { display: none; }
.burger[aria-expanded="true"] .ic-menu { display: none; }
.burger[aria-expanded="true"] .ic-close { display: block; }
@media (min-width: 840px) {
  .nav-links, .js .nav-links, .nav-cta { display: inline-flex; gap: var(--s-6); }
  .burger, .js .burger { display: none; }
  .nav-cta { min-height: 40px; }
}

/* Mobile-Drawer: Slide-in von rechts */
.drawer {
  position: fixed; inset: var(--nav-h) 0 0 auto; width: min(320px, 86vw);
  background: var(--white); border-left: 1px solid var(--hairline);
  padding: var(--s-5) var(--gutter) var(--s-7);
  transform: translateX(100%); visibility: hidden;
  transition: transform 220ms ease, visibility 0s linear 220ms;
  z-index: 40; overflow-y: auto;
}
.drawer[data-open="true"] { transform: none; visibility: visible; transition: transform 220ms ease; }
.drawer a { display: flex; align-items: center; min-height: 48px; text-decoration: none; font-size: 1.125rem; border-bottom: 1px solid var(--hairline); }
.drawer .btn { margin-top: var(--s-5); border-bottom: 0; justify-content: center; }
.scrim { position: fixed; inset: var(--nav-h) 0 0 0; background: rgba(29, 29, 31, 0.24); z-index: 30; display: none; }
.scrim[data-open="true"] { display: block; }
@media (prefers-reduced-motion: reduce) { .drawer { transition: none; } }
@media (min-width: 840px) { .drawer, .scrim { display: none !important; } }
body[data-drawer="open"] { overflow: hidden; }

/* ---------- Sektionen ---------- */
.section { padding: var(--s-8) 0; }
@media (min-width: 720px) { .section { padding: var(--s-9) 0; } }
.section-head { margin-bottom: var(--s-7); }
.section-head p { margin-top: var(--s-3); }
.surface { background: var(--surface); }
.on-dark { background: var(--dark); color: var(--dark-text); }
.on-dark .muted, .on-dark .lede, .on-dark .eyebrow { color: var(--dark-secondary); }
.on-dark .card { background: transparent; border-color: var(--hairline-dark); }

/* Hero */
.hero { padding-top: var(--s-7); padding-bottom: var(--s-8); }
@media (min-width: 720px) { .hero { padding-top: var(--s-9); } }
.hero h1 { max-width: 14ch; margin-left: auto; margin-right: auto; }
.hero .lede { margin-top: var(--s-5); }
.hero .actions { margin-top: var(--s-6); }
.trust {
  display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-2) var(--s-4);
  margin-top: var(--s-6); font-size: 0.9375rem; color: var(--ink-secondary);
}
.trust li { display: inline-flex; align-items: center; gap: var(--s-2); }
.trust li + li::before { content: ""; width: 3px; height: 3px; border-radius: 50%; background: var(--ink-secondary); display: inline-block; }
.hero .shot { margin-top: var(--s-7); }

/* Karten */
.cards { display: grid; gap: var(--s-4); }
@media (min-width: 720px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--white); border: 1px solid var(--hairline);
  border-radius: var(--r-panel); padding: var(--s-5);
}
.surface .card { border-color: transparent; }
.card h3 { margin-bottom: var(--s-2); }
.card p { color: var(--ink-secondary); font-size: 1rem; }
.card .num { display: block; font-size: 0.8125rem; color: var(--ink-secondary); margin-bottom: var(--s-3); letter-spacing: 0.04em; }
.after { margin-top: var(--s-6); }

/* Feature-Blöcke, alternierend */
.feature { display: grid; gap: var(--s-5); align-items: center; padding: var(--s-6) 0; }
.feature + .feature { border-top: 1px solid var(--hairline); }
.feature h3 { font-size: clamp(1.375rem, 3vw, 1.75rem); letter-spacing: -0.025em; }
.feature .eyebrow { margin-bottom: var(--s-2); }
.feature ul { margin-top: var(--s-4); display: grid; gap: var(--s-3); }
.feature li { position: relative; padding-left: var(--s-5); color: var(--ink-secondary); }
.feature li::before {
  content: ""; position: absolute; left: 4px; top: 0.55em;
  width: 0.18em; height: 0.85em; background: var(--ink); transform: skewX(-8deg); border-radius: 1px;
}
@media (min-width: 840px) {
  .feature { grid-template-columns: 1fr 1fr; gap: var(--s-8); padding: var(--s-7) 0; }
  .feature:nth-child(even) .shot { order: -1; }
  .feature.solo { grid-template-columns: 1fr; }
  .feature.solo > div { max-width: var(--measure); }
}

/* Bild-Slots mit fixer Aspect-Ratio (N9 Empty-State, kein Layout-Shift) */
.shot {
  position: relative; margin: 0; overflow: hidden;
  border-radius: var(--r-panel); border: 1px solid var(--hairline);
  background: var(--surface); aspect-ratio: 16 / 10;
}
.shot.photo { aspect-ratio: 4 / 3; }
.shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.shot.photo img { object-position: center; filter: grayscale(1); }
.shot .ph {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: var(--s-4); font-size: 0.875rem; color: var(--ink-secondary);
}
.shot .ph b { font-weight: 500; color: var(--ink); }
.on-dark .shot { background: rgba(255, 255, 255, 0.04); border-color: var(--hairline-dark); }
.on-dark .shot .ph { color: var(--dark-secondary); }
.on-dark .shot .ph b { color: var(--dark-text); }
.shot[data-loaded="true"] .ph { display: none; }

/* Story */
.story-grid { display: grid; gap: var(--s-6); margin-top: var(--s-7); }
@media (min-width: 720px) { .story-grid { grid-template-columns: 1fr 1fr; } }

/* Dreier-Punkte (Schweiz) */
.points { display: grid; gap: var(--s-5); }
@media (min-width: 720px) { .points { grid-template-columns: repeat(3, 1fr); gap: var(--s-6); } }
.points h3 { font-size: 1.125rem; margin-bottom: var(--s-2); }
.points p { color: var(--ink-secondary); font-size: 1rem; }

/* Status */
.status { border: 1px solid var(--hairline); border-radius: var(--r-panel); padding: var(--s-5); }
@media (min-width: 720px) { .status { padding: var(--s-6); } }
.status p + p { margin-top: var(--s-3); }

/* FAQ als <details> (N1 klare Indikatoren, N3 Esc) */
.faq { border-top: 1px solid var(--hairline); }
.faq details { border-bottom: 1px solid var(--hairline); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: var(--s-4);
  padding: var(--s-4) 0; min-height: 56px; font-weight: 500; font-size: 1.0625rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chev { flex: none; width: 20px; height: 20px; transition: transform 160ms ease; }
.faq details[open] summary .chev { transform: rotate(180deg); }
.faq .answer { padding: 0 0 var(--s-5); color: var(--ink-secondary); max-width: var(--measure); }
@media (prefers-reduced-motion: reduce) { .faq summary .chev { transition: none; } }

/* Final-CTA */
.final h2 { max-width: 16ch; margin-left: auto; margin-right: auto; }
.final .lede { margin-top: var(--s-4); }
.final .actions { margin-top: var(--s-6); }

/* Footer (N10) */
.footer { border-top: 1px solid var(--hairline); padding: var(--s-6) 0 var(--s-7); font-size: 0.9375rem; color: var(--ink-secondary); }
.footer .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-4) var(--s-6); align-items: center; }
.footer nav { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); }
.footer a { text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; }
.footer a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 0.2em; }
.footer .wordmark { color: var(--ink); }
.footer .fine { margin-top: var(--s-4); font-size: 0.8125rem; }

/* Scroll-Reveal (nur mit JS + ohne reduced-motion) */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(12px); transition: opacity 500ms ease, transform 500ms ease; }
  .js .reveal.in { opacity: 1; transform: none; }
}
@media print { .reveal { opacity: 1 !important; transform: none !important; } .nav, .drawer, .scrim, .skip { display: none; } }

/* ---------- Unterseiten (Blog, Impressum, Datenschutz) ---------- */
.page { padding-top: var(--s-7); padding-bottom: var(--s-8); }
.page h1 { font-size: clamp(2rem, 5vw, 2.75rem); hyphens: auto; overflow-wrap: anywhere; }
.page .lede { margin-top: var(--s-4); }
.prose { max-width: var(--measure); margin-top: var(--s-6); }
.prose h2 { font-size: 1.5rem; margin-top: var(--s-7); margin-bottom: var(--s-3); }
.prose h3 { font-size: 1.125rem; margin-top: var(--s-5); margin-bottom: var(--s-2); }
.prose p, .prose li { color: var(--ink); }
.prose ul { list-style: disc; padding-left: 1.2em; margin-top: var(--s-3); }
.prose li + li { margin-top: var(--s-2); }
.prose a { text-decoration: underline; text-underline-offset: 0.2em; }
.prose .meta { font-size: 0.9375rem; color: var(--ink-secondary); margin-top: var(--s-3); }
.prose figure { margin: var(--s-6) 0; }
.prose figcaption { font-size: 0.875rem; color: var(--ink-secondary); margin-top: var(--s-2); }
.callout { background: var(--surface); border-radius: var(--r-panel); padding: var(--s-5); margin-top: var(--s-7); }
.callout p + .actions { margin-top: var(--s-4); }
.placeholder { background: var(--surface); border: 1px dashed var(--hairline-strong); border-radius: var(--r-card); padding: var(--s-3) var(--s-4); color: var(--ink-secondary); font-size: 0.9375rem; }

.posts { display: grid; gap: var(--s-4); margin-top: var(--s-6); }
@media (min-width: 720px) { .posts { grid-template-columns: repeat(2, 1fr); } }
.post { border: 1px solid var(--hairline); border-radius: var(--r-panel); padding: var(--s-5); display: flex; flex-direction: column; gap: var(--s-2); }
.post time { font-size: 0.875rem; color: var(--ink-secondary); }
.post h2 { font-size: 1.25rem; letter-spacing: -0.02em; }
.post p { color: var(--ink-secondary); font-size: 1rem; }
.post .link { margin-top: auto; align-self: flex-start; }