/* Unternehmer-Tools — Marketing-Site. Statisch, ohne Build, ohne Webfonts. */

:root {
  --bg: #f4f5f3;
  --surface: #ffffff;
  --ink: #16201e;
  --ink-soft: #37423f;
  --muted: #63706c;
  --line: #e3e6e1;
  --accent: #0f766e;
  --accent-hover: #0c5f58;
  --accent-soft: #dcefec;
  --dark: #10201d;
  --dark-line: #2a3a36;
  --dark-ink: #e8efec;
  --dark-muted: #9fb2ac;
  --radius: 14px;
  --wrap: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --shadow: 0 1px 2px rgba(16, 32, 29, 0.04), 0 10px 30px rgba(16, 32, 29, 0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
p { margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Kopf ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244, 245, 243, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 700;
}
.site-head nav { display: flex; align-items: center; gap: 1.6rem; font-size: 0.95rem; }
.site-head nav a { color: var(--ink-soft); }
.site-head nav .btn { color: #fff; }
@media (max-width: 640px) {
  .site-head nav a.nav-hide { display: none; }
  .site-head .wrap { padding: 0 1rem; }
  .brand { font-size: 0.95rem; gap: 0.45rem; }
  .brand-mark { width: 25px; height: 25px; }
  .site-head nav .btn { padding: 0.55rem 0.9rem; font-size: 0.9rem; }
  .btn.on-dark, .site-head nav .btn { white-space: nowrap; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.lg { padding: 0.9rem 1.6rem; font-size: 1.05rem; }
.btn.on-dark { background: #fff; color: var(--dark); border-color: #fff; }
.btn.on-dark:hover { background: var(--accent-soft); border-color: var(--accent-soft); }

/* ---------- Hero ---------- */
.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4.5rem); }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.hero h1 { font-size: clamp(1.9rem, 4.4vw, 2.9rem); max-width: 20ch; }
.hero .lead {
  margin-top: 1.4rem;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 54ch;
}
.hero-cta { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero-note { margin-top: 1rem; font-size: 0.9rem; color: var(--muted); }

/* ---------- Abschnitte ---------- */
section { padding: clamp(3rem, 7vw, 5rem) 0; }
.section-label {
  font-size: 0.8rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.section-head { max-width: 46ch; margin-bottom: 2.6rem; }
.section-head h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
.section-head p { margin-top: 0.9rem; color: var(--ink-soft); }

/* ---------- Problem-Liste ---------- */
.prob { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.prob-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
}
@media (max-width: 620px) { .prob-grid { grid-template-columns: 1fr; } }
.prob-grid li {
  list-style: none;
  padding-left: 1.6rem;
  position: relative;
  color: var(--ink-soft);
}
.prob-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
}
.prob-grid ul { margin: 0; padding: 0; }

/* ---------- Feature-Karten ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.feature h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature p { color: var(--muted); font-size: 0.96rem; }
.feature .fi {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent-hover);
  display: grid; place-items: center;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

/* ---------- Schritte ---------- */
.steps { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
@media (max-width: 620px) { .steps-grid { grid-template-columns: 1fr; } }
.step-n {
  font-size: 0.85rem; font-weight: 700; color: var(--accent);
  border-top: 2px solid var(--accent);
  padding-top: 0.7rem;
  display: inline-block;
}
.step h3 { font-size: 1.08rem; margin: 0.5rem 0; }
.step p { color: var(--muted); font-size: 0.96rem; }

/* ---------- Preis ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  align-items: start;
}
.plan {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.plan.hot { border-color: var(--accent); box-shadow: var(--shadow); }
.plan .tier { font-size: 0.8rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); }
.plan.hot .tier { color: var(--accent); }
.plan .price { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin: 0.6rem 0 0.2rem; }
.plan .price small { font-size: 0.9rem; font-weight: 500; color: var(--muted); }
.plan .price-sub { font-size: 0.9rem; color: var(--muted); margin-bottom: 1.2rem; }
.plan ul { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: 0.6rem; }
.plan li { padding-left: 1.5rem; position: relative; font-size: 0.96rem; color: var(--ink-soft); }
.plan li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--accent); font-weight: 700;
}
.plan .btn { width: 100%; }

/* ---------- FAQ ---------- */
.faq { background: var(--surface); border-top: 1px solid var(--line); }
.faq-list { display: grid; gap: 0; max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.2rem; flex: none; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: 0.7rem; color: var(--ink-soft); }

/* ---------- CTA-Band ---------- */
.cta-band { background: var(--dark); color: var(--dark-ink); text-align: center; }
.cta-band h2 { font-size: clamp(1.6rem, 4vw, 2.1rem); }
.cta-band p { margin: 1rem auto 2rem; color: var(--dark-muted); max-width: 46ch; }

/* ---------- Fuß ---------- */
.site-foot { background: var(--dark); color: var(--dark-muted); padding: 3rem 0; border-top: 1px solid var(--dark-line); }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; justify-content: space-between; align-items: center; }
.site-foot a { color: var(--dark-muted); }
.site-foot a:hover { color: #fff; }
.site-foot .foot-links { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: 0.92rem; }
.site-foot .brand { color: var(--dark-ink); }

/* ---------- Plattform-Startseite ---------- */
.tools-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.tool-tile {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  color: var(--ink);
}
.tool-tile:hover { text-decoration: none; border-color: var(--accent); box-shadow: var(--shadow); }
.tool-tile h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
.tool-tile p { color: var(--muted); font-size: 0.96rem; }
.tool-tile.soon { opacity: 0.65; }
.tool-tile .go { margin-top: 1rem; color: var(--accent); font-weight: 600; font-size: 0.92rem; }
