/* SEM Beratung – Design-System (abgeleitet vom Logo: Schwarz, Blau #009DE0, kantig)
   Montserrat selbst gehostet (kein Google-Fonts-Request, DSGVO-freundlich) */
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/montserrat-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 800; font-display: swap; src: url("../fonts/montserrat-latin-800-normal.woff2") format("woff2"); }


:root {
  --ink: #111111;
  --ink-2: #3d3d3d;
  --muted: #707070;
  --line: #e4e4e4;
  --bg: #ffffff;
  --bg-soft: #f4f6f7;
  --accent: #009de0;
  --accent-ink: #0072a8;
  --accent-soft: #e3f4fc;
  --ok: #12a37a;
  --radius: 4px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.07);
  --max: 1160px;
  --display: "Montserrat", ui-sans-serif, system-ui, sans-serif;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg);
  font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

h1,h2,h3,h4 { font-family: var(--display); line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 .5em; font-weight: 800; }
h3,h4 { font-weight: 700; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.35rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: #0b0b0b; color: #e6e6e6; border-top: 6px solid var(--accent); }
.section--dark h2, .section--dark h3 { color: #fff; }

.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink); margin-bottom: 14px;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 10px; height: 10px; background: var(--accent); flex: none; }
.section--dark .eyebrow { color: #fff; }
.lead { font-size: 1.2rem; color: var(--ink-2); max-width: 62ch; }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head p { color: var(--ink-2); }
.section--dark .section-head p { color: #b5b5b5; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: var(--radius);
  font-family: var(--display); font-weight: 700; font-size: .95rem; text-decoration: none; border: 1.5px solid transparent;
  transition: background .15s, border-color .15s, color .15s, transform .15s; cursor: pointer;
}
.btn--primary { background: var(--accent-ink); color: #fff; }
.btn--primary:hover { background: #005f8c; color: #fff; transform: translateY(-1px); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--line);
  box-shadow: inset 0 4px 0 var(--accent);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand-logo { height: 64px; width: auto; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); font-family: var(--display); font-weight: 800; letter-spacing: -0.01em; font-size: 1.05rem; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--ink); color: #fff;
  display: grid; place-items: center; font-size: .8rem; font-weight: 800; letter-spacing: 0;
}
.brand small { display: block; font-weight: 500; color: var(--muted); font-size: .72rem; letter-spacing: .02em; margin-top: -2px; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--ink-2); text-decoration: none; font-weight: 550; font-size: .96rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav .btn { padding: 9px 16px; font-size: .92rem; color: #fff; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; top: 84px; left: 0; right: 0; flex-direction: column;
    align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 20px 20px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 14px; justify-content: center; border: 0; }
}

/* Hero */
.hero { padding: clamp(64px, 10vw, 128px) 0 clamp(56px, 8vw, 96px); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(600px 300px at 85% 10%, var(--accent-soft), transparent 70%);
  mask-image: linear-gradient(#000 40%, transparent);
  opacity: .9;
}
.hero-grid { display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: center; }
.hero h1 span { color: var(--accent-ink); }
ul.plain.trust { display: flex; flex-wrap: wrap; gap: 14px 28px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
.trust li { display: flex; align-items: center; gap: 8px; }
.trust li::before { content: ""; width: 8px; height: 8px; background: var(--accent); }
ul.plain { list-style: none; padding: 0; margin: 0; }

.kpi-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 26px;
}
.kpi-card .kpi-title { font-family: var(--display); font-weight: 700;  font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 18px; }
.kpi { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--line); }
.kpi:first-of-type { border-top: 0; padding-top: 0; }
.kpi strong { font-size: 1.05rem; }
.kpi span { color: var(--muted); font-size: .9rem; }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 90px; margin-top: 18px; }
.bars i { flex: 1; background: #cfe9f7; }
.bars i:nth-child(n+5) { background: var(--accent); }

/* Cards & grids */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
a.card { text-decoration: none; color: inherit; display: block; }
a.card:hover { border-color: #c9d3e2; box-shadow: var(--shadow); transform: translateY(-2px); }
.card p { color: var(--ink-2); margin-bottom: 0; }
.card .num { font-family: var(--display); font-size: .85rem; font-weight: 800; color: var(--accent-ink); letter-spacing: .1em; display: block; margin-bottom: 12px; }
.card-link { margin-top: 16px; display: inline-block; font-weight: 650; font-size: .95rem; color: var(--accent-ink); }

.pillar { padding: 34px; }
.pillar h3 { font-size: 1.45rem; }
.pillar ul { list-style: none; padding: 0; margin: 22px 0 0; }
.pillar li a {
  display: flex; justify-content: space-between; align-items: center; padding: 14px 0;
  border-top: 1px solid var(--line); text-decoration: none; color: var(--ink); font-weight: 600;
}
.pillar li a::after { content: "→"; color: var(--muted); transition: transform .15s; }
.pillar li a:hover::after { transform: translateX(4px); color: var(--accent); }

/* Clients */
.clients { display: flex; flex-wrap: wrap; gap: 14px; }
.client {
  flex: 1 1 200px; padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
}
.client strong { display: block; }
.client span { color: var(--muted); font-size: .9rem; }

/* Pricing */
.price-card { display: flex; flex-direction: column; }
.price-card .price { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em; margin: 8px 0 4px; color: var(--ink); }
.price-card .price small { font-size: .95rem; font-weight: 500; color: var(--muted); }
.price-card ul { padding-left: 18px; color: var(--ink-2); margin: 16px 0 24px; }
.price-card .btn { margin-top: auto; align-self: flex-start; }
.price-card.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow); }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; padding: 4px 9px; border-radius: 2px; background: var(--ink); color: #fff; text-transform: uppercase; letter-spacing: .04em; }
.note { color: var(--muted); font-size: .9rem; margin-top: 18px; }

/* Principles (dark) */
.principle { border-top: 2px solid var(--accent); padding-top: 22px; }
.principle p { color: #b5b5b5; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-weight: 650; font-size: 1.08rem; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 1.5rem; color: var(--accent); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding: 0 0 20px; color: var(--ink-2); max-width: 72ch; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
.form { display: grid; gap: 16px; }
.form label { font-weight: 600; font-size: .92rem; display: block; margin-bottom: 6px; }
.form input, .form textarea {
  width: 100%; font: inherit; padding: 13px 14px; border: 1.5px solid #d6d6d6; border-radius: var(--radius); background: #fff; color: var(--ink);
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.form textarea { min-height: 140px; resize: vertical; }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--ink-2); }
.form .check input { width: auto; margin-top: 5px; }
.hp { position: absolute; left: -9999px; }
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-list li { padding: 12px 0; border-top: 1px solid var(--line); }
.contact-list li span { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.contact-list a { color: var(--ink); text-decoration: none; font-weight: 600; }

/* Footer */
.site-footer { background: #0b0b0b; color: #b5b5b5; border-top: 6px solid var(--accent); padding: 64px 0 28px; font-size: .95rem; }
.site-footer a { color: #e6e6e6; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.site-footer .footer-heading { font-family: var(--display); font-weight: 800; line-height: 1.2;  color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 48px; padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .85rem; }

/* Page header (Unterseiten) */
.page-hero { padding: clamp(56px, 8vw, 96px) 0 40px; border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.breadcrumb { font-size: .85rem; color: var(--muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--muted); }
.prose { max-width: 72ch; }
.prose h2 { margin-top: 1.6em; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: .4em; }

@media (max-width: 900px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .grid-2, .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr; }
  .pillar, .card { padding: 22px; }
}

/* Klammer-Motiv aus dem Logo */
.bracket { position: relative; padding: 18px 22px 0; }
.bracket::before { content: ""; position: absolute; left: 0; top: 0; width: 34px; height: 34px; border-left: 3px solid var(--ink); border-top: 3px solid var(--ink); }
.bracket::after { content: ""; position: absolute; right: 0; top: 0; width: 34px; height: 34px; border-right: 3px solid var(--ink); border-top: 3px solid var(--ink); }
.kpi-card.bracket { padding: 30px 30px 26px; border-top: 0; }

/* Leistungen & Über mich */
.service { scroll-margin-top: 110px; }
.service h3 { font-size: 1.4rem; }
.service ul { list-style: none; padding: 0; margin: 20px 0 0; }
.service li { padding: 10px 0 10px 22px; border-top: 1px solid var(--line); position: relative; color: var(--ink-2); }
.service li::before { content: ""; position: absolute; left: 0; top: 19px; width: 8px; height: 8px; background: var(--accent); }
.about-grid { display: grid; grid-template-columns: 1.4fr .9fr; gap: 56px; align-items: start; }
.cert-list { list-style: none; padding: 0; margin: 12px 0 0; }
.cert-list li { padding: 10px 0; border-top: 1px solid var(--line); }
.cert-list a { color: var(--ink); font-weight: 600; text-decoration: none; }
.cert-list a:hover { color: var(--accent-ink); }
#kontakt { scroll-margin-top: 90px; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 32px; } }
.legal h2 { font-size: 1.35rem; margin-top: 1.8em; }
.legal h3 { font-size: 1.15rem; margin-top: 1.8em; }
.legal h4 { font-size: 1rem; margin-top: 1.2em; }
.legal a { word-break: break-word; }
.form-error { margin: 0; padding: 12px 14px; border-left: 4px solid #c62828; background: #fdecea; color: #8e1c1c; font-size: .95rem; }
.portrait { width: 100%; height: auto; margin-bottom: 22px; border-bottom: 6px solid var(--accent); }